How To Cure Your Sinus Infection

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Acute Bacterial Rhinosinusitis ABRS

Agents recommended for the treatment of ABRS are listed in Table 5. The antibiotic selections listed in the table are stratified by disease severity, age of the patient, and recent antibiotic exposure. The preferred agents are those that are active against the pathogens commonly implicated in acute sinusitis S. pneumoniae, H. influenzae, and M. catarrhalis. Switching to a second agent is suggested if, after 72 hr, the patient's condition does not clinically improve or worsens. Selection of the appropriate antibiotic can help prevent the development of chronic sinusitis, decrease costs associated with multiple treatment failures, and curtail the development of resistance. TABLE 5 Agents Recommended for Treatment of Acute Bacterial Sinusitis TABLE 5 Agents Recommended for Treatment of Acute Bacterial Sinusitis Abbreviations ABRS, acute bacterial rhinosinusitis TMP SMX, trimethoprim-sulfamethoxazole. Source Adapted from Ref. 42. Abbreviations ABRS, acute bacterial rhinosinusitis TMP SMX,...

Evaluaton of Patients With Recurrent or Persistent Sinusitis

Fifty percent of children and 30-40 of adults with recurrent or chronic sinusitis are sensitized to common aeroallergens such as plant pollens, house dust mite, and animal danders. Assessment of IgE-mediated hypersensitivities by allergy skin testing or in vitro blood assays should therefore be performed in all patients because they may benefit from a comprehensive program of allergen avoidance, anti-allergic drug therapy, and, in selected cases, immunotherapy. Patients with severe, recurrent episodes of sinusitis associated with other infections (e.g., otitis, bronchitis, and pneumonia) may suffer from one of the antibody deficiency syndromes and should undergo a screening assessment of their immunoglobulin levels. If a deficiency is noted or still suspected after the initial testing, these patients should be referred to an allergist immunologist for further evaluation.

Microbiology of Acute Sinusitis

Viral infection (mostly Rhino, influenza, adeno, and para-influenza viruses) is the most common predisposing factor for URTIs, including sinusitis. Viral infection can also concur with the bacterial infection. The mechanism whereby viruses predispose to sinusitis may involve viral-bacterial synergy, induction of local inflammation that blocks the sinus ostia, increase of bacterial attachment to the epithelial cells, and disruption of the local immune defense. The bacteria recovered from pediatric and adult patients with community-acquired acute purulent sinusitis, using sinus aspiration by puncture or surgery, are the common respiratory pathogens (S. pneumoniae, H. influenzae, M. catarrhalis, and Group A beta-hemolytic streptococci) and Staphylococcus aureus (Table 1) (7-12). Following the introduction of vaccination of children with the 7-valent pneumococcal vaccine on 2000 in the U.S.A., the rate of S. pneumoniae FIGURE 2 Viral and bacterial causes of sinusitis. FIGURE 2 Viral and...

Bacteriology of Chronic Sinusitis

Although the etiology of the inflammation associated with chronic sinusitis is uncertain, bacteria can be isolated in the sinus cavity in these patients (18,19). Bacteria are believed to play a major role in the etiology and pathogenesis of most cases of chronic sinusitis, and antimicrobials are often prescribed for the treatment of this infection. Numerous studies have examined the bacterial pathogens associated with chronic sinusitis. However, most of these studies did not employ methods that are adequate for the recovery of anaerobic bacteria. Studies have described significant differences in the microbial pathogens present in chronic as compared with acute sinusitis. S. aureus, Staphylococcus epidermidis, and anaerobic gram-negative bacilli (AGNB) predominate in chronic sinusitis. The pathogenicity of some of the low virulence organisms, such S. epidermidis, a colonizer of the nasal cavity is questionable (4,20). Gram-negative enteric rods were also reported in recent studies...

Bacteriology of Acute Exacerbation of Chronic Sinusitis

Brook et al. (46) also compared the microbiology of maxillary AECS in 30 patients with the microbiology of chronic maxillary sinusitis in 32 individuals. The study illustrated the predominance of anaerobic bacteria and polymicrobial nature of both conditions (2.5-3 isolates sinus). However, aerobic bacteria that are usually found in acute infections (e.g., S. pneumoniae, H. influenzae, and M. catarrhalis) emerged in some of the episodes of AECS.

Suggested Reading Sinusitis

Hickner JM, Bartlett JG, Besser RE, Gonzales R, Hoffman JR, Sande MA American Academy of Family Physicians American College of Physicians-American Society of Internal Medicine Centers for Disease Control Infectious Diseases Society of America. Principles of appropriate antibiotic use for acute rhinosinusitis in adults background. Ann Intern Med. 2001 134(6) 498-505. Meltzer EO, Hamilos DL, Hadley JA, et al. American Academy of Allergy, Asthma and Immunology (AAAAI) American Academy of Otolaryngic Allergy (AAOA) American Academy of Otolaryngol-ogy-Head and Neck Surgery (AAO-HNS) American College of Allergy, Asthma and Immunology (ACAAI) American Rhinologic Society (ARS).Rhinosinusitis establishing definitions for clinical research and patient care. J Allergy Clin Immunol. 2004 114(6 suppl) 155-212. Piccirillo JF. Clinical practice. Acute bacterial sinusitis. N Engl J Med 2004 351(9) 902-910. Subcommittee on Management of Sinusitis and Committee on Quality...

Bacteriology of Nosocomial Sinusitis

Nosocomial sinusitis often develops in patients who require extended periods of intensive care (postoperative patients, burn victims, and patients with severe trauma) involving prolonged endotracheal or nasogastric intubation. P. aeruginosa and other aerobic and facultative gramnegative rods are common in sinusitis of nosocomial origin (especially in patients who have nasal tubes or catheters), the immunocompromised, patients with human immune deficiency viral infection and patients who suffer from cystic fibrosis (17,47). Nasotracheal intubation places the patient at a substantially higher risk for nosocomial sinusitis than orotracheal intubation. Approximately 25 of patients requiring nasotracheal intubation for more than five days develop nosocomial sinusitis (48). In contrast to community-acquired sinusitis, the usual pathogens are gram-negative enterics (i.e., P. aeruginosa, K. pneumoniae, Enterobacter spp., P. mirabilis, Serratia marcescens) and aerobic gram-positive cocci...

Bacteriology of Sinusitis in the Immunocompromised Hosts

Sinusitis occurs in a wide range of immunocompromised hosts including neutropenics, diabetics, patients in critical care units, and patients infected with HIV. Fungal and P. aeruginosa are the most common forms of sinusitis in neutropenic patients. Aspergillus spp. is frequently the causative organism, although mucor, rhizopus, alternaria, and other molds have been implicated (50). Fungi and S. aureus, streptococci and gram-negative enterics are the most common isolates in diabetics (51). The organisms most commonly isolated in nosocomial sinusitis are gram-negative enteric bacteria (such as P. aeruginosa, K. pneumoniae, Enterobacteriaceae, P. mirabilis, and S. marcescens) streptococci and staphylococci (52) and anaerobic bacteria (53). The causative organisms in patients with HIV infection included P. aeruginosa, S. aureus, streptococci, anaerobes, and fungi (Aspergillus, Cryptococcus, and Rhizopus) (54). Refractory parasitic sinusitis caused by Microsporidium, Cryptosporidium, and...

Bacteriology of Sinusitis of Odontogenic Origin

Odontogenic sinusitis is a well-recognized condition and accounts for approximately 10 to 12 of cases of maxillary sinusitis. Brook (16) studied the microbiology of 20 acutely and 28 chronically infected maxillary sinuses that were associated with odontogenic infection. Polymicrobial infection was very common with 3.4 isolates specimen and 90 of the isolates were anaerobes in both acute and chronic infections. The predominant anaerobic bacteria were AGNB, Peptostreptococcus spp., and Fusobacterium spp. The predominant aerobes were alpha-hemolytic streptococci, microaerophilic streptococci, and S. aureus. S. pneumoniae, H. influenzae, and M. catarrhalis, the predominate bacteria recovered from acute maxillary sinusitis not of odontogenic origin (12,18), were mostly absent in acute maxillary sinusitis that was associated with an odontogenic origin. In contrast, anaerobes predominated in both acute and chronic sinusitis. The microorganisms recovered from odontogenic infections generally...

Antimicrobial Therapy of Chronic Sinusitis

TABLE 6 Empirical Antimicrobial Therapy in Acute Bacterial Sinusitis No history of recurrent acute sinusitis During summer months Risk factors prompting a need for more effective antimicrobials3 Bacterial resistance is likely Antibiotic use in the past month, or close contact with a treated individual(s) Resistance common in community Failure of previous antimicrobial therapy Infection in spite of prophylactic treatment Child in daycare facility Winter season Smoker or smoker in family Presence of moderate-to-severe infection Presentation with protracted (more than 30 days) or moderate-to-severe symptoms Complicated ethmoidal sinusitis Frontal or sphenoidal sinusitis Patient history of recurrent acute sinusitis Presence of co-morbidity and extremes of life Co-morbidity (i.e., chronic cardiac, hepatic or renal disease, diabetes) Immunocompromised patient Younger than two years of age or older than 55 years Allergy to penicillin Allergy to penicillin or amoxicillin Prevotella and...

Antimicrobial Treatment of Acute Sinusitis

Amoxicillin can be appropriate for the initial treatment of acute uncomplicated mild sinusitis. (Table 6). However, antimicrobials that are more effective against the major bacterial pathogens (including those that are resistant to multiple antibiotics) may be indicated as initial therapy and for the re-treatment of those who have risk factors prompting a need for more effective antimicrobials (Table 7) and those who had failed amoxicillin therapy. These agents include amoxicillin and clavulanic acid, the newer or respiratory quinolones (e.g., levofloxacin, gatifloxacin, and moxifloxacin), and some of the 2nd & 3rd generation cephalosporins (cefdinir, cefuroxime-axetil, and cefpodoxime proxetil). A number of antimicrobial agents have been studied in the therapy of acute sinusitis over the past 25 years, with the use of pre- and post-treatment aspirate cultures. Those studied were ampicillin, amoxicillin, amoxicillin-clavulanic acid, cefuroxime axetil, cefprozil, loracarbef,...

Adjuvant Therapies Acute Bacterial Sinusitis

Patients with a viral URTI may benefit from symptomatic therapy, aimed at improving their quality of life during the acute illness. The use of normal saline as a spray or lavage can provide symptomatic improvement by liquefying secretions to encourage drainage. The short-term (three days) use of topical alpha-adrenergic decongestants can also provide symptomatic relief, but their use should be restricted to older children and adults due to the potential for undesirable systemic effects in infants and young children. Topical glucocorticosteroids may also be useful in reducing nasal mucosal edema, mostly in those cases where a patient who has seasonal allergic rhinitis develops the complication of an acute URTI. The antipyretic and analgesic effects of nonsteroidal anti-inflammatory agents can relieve or ameliorate the associated symptoms of fever, headache, generalized malaise, and facial tenderness. Until the clinical diagnosis of acute bacterial sinusitis is established, management...

Chronic Bacterial Sinusitis Antiinflammatories

Long-term, low dose macrolide therapy represents one attempt at controlling the inflammation associated with chronic sinusitis (80). Medicines that have anti-inflammatory properties and are well tolerated are sought to help ease the reliance on systemic corticosteroids that affect both the number and function of inflammatory cells. When used in a topical form, nasal steroid sprays have been shown to be safe and effective in reducing the symptoms of alleric rhinitis (81). Their use in patients with chronic sinusitis can decrease the size of nasal polyps, and diminish sinomucosal edema (82). There are no set guidelines for the duration of use, and the expected side effects from long-term use are not yet known. Experience in using oral steroids for the treatment of chronic sinusitis is only anectodal. The extended use of oral steroid may result in serious side effects that include muscle wasting and osteoporosis. Because of the side effects, steroids are tapered and given in short...

Studies of Acute Maxillary Sinusitis in Adults

At least four studies have examined SCAT for the treatment of acute maxillary sinusitis in adults (36). Williams and coworkers carried out a randomized trial of 80 adults with acute maxillary sinusitis treated with 3 versus 10 days of trimetho-prim-sulfamethoxazole (TMP-SMX) and reported 76 cure rates and bacteriologic eradication in both groups. The authors concluded that afebrile, immunocompe-tent adults could receive a 3-day course of TMP-SMX. Nonresponders should be re-evaluated and treated for 10 days (36). Casiano and coworkers performed a study of acute maxillary sinusitis in 78 adults treated with azithromycin 500 mg on day 1 followed by 4 days of 250 mg compared to those with amoxicillin 500 mg three times daily for 10 days (37). Clinical diagnosis was confirmed by transantral maxillary sinus aspiration. Bacteriologic cure was reported as 100 in each group and clinical cure was 74 and 73 , respectively. Khong and coworkers evaluated 386 patients randomized to cefpodoxime...


Sinusitis is defined as an inflammation of the mucous membrane lining the paranasal sinuses (Fig. 1). Sinusitis can be classified chronologically into five categories (1) acute sinusitis recurrent acute sinusitis subacute sinusitis chronic sinusitis acute exacerbation of chronic sinusitis (AECS). Acute sinusitis is a new infection that may last up to four weeks and can be subdivided symptomatically into severe and non-severe. Recurrent acute sinusitis is diagnosed when four or more episodes of acute sinusitis, which all resolve completely in response to antibiotic therapy, occur within one year. Subacute sinusitis is an infection that lasts between 4 and 12 weeks, and represents a transition between acute and chronic infection. Chronic sinusitis is diagnosed when signs and symptoms last for more than 12 weeks. AECS occurs when the signs and symptoms of chronic sinusitis exacerbate but return to baseline following treatment. Sinuses are involved in most cases of viral upper respiratory...

Chronic Sinusitis

Symptoms of chronic sinusitis vary considerably. Fever may be absent or be of low grade. Frequently symptoms are protracted and include malaise, easy fatigability, difficulty in mental concentration, anorexia, irregular nasal or postnasal discharge, frequent headaches, and pain or tenderness to palpation over the affected sinus.

Acute Sinusitis

Acute bacterial rhinosinusitis is a common upper respiratory tract infection, with more than 20 million cases reported annually in the United States (6). Many of these infections are associated with viral illnesses that are occasionally complicated by bacterial superinfection. Data suggest that only about 2 of patients with viral sinusitis develop clinically significant bacterial superinfection. Acute bacterial sinusitis is often caused by pneumococci, Haemophilus spp., or S. aureus, and many infections are mixed. Chronic infections also may be caused by S. aureus, anaerobic bacteria, or aerobic Gram-negative bacilli. Frequent antibiotic exposure increases the risk of MDR pathogens, anaerobic bacteria, and opportunistic pathogens. The specific antibiotics prescribed should be based on the prevalence of antibiotic resistant organisms and prior antibiotic use within the past 3 to 6 months. Optimal duration of therapy for acute bacterial sinusitis has not been well-defined, but most...

Reasons for Deterioration or Nonresolution

Certain complications during therapy can also lead to an apparent failure in response to therapy. Some patients with HAP or VAP can have other sources of fever simultaneously, particularly sinusitis, vascular catheter-related infection, pseudomembranous enterocolitis, or urinary tract infections (Meduri et al. 1994). Complications of the original pneumonia can also lead to failure, including development of lung abscess or empyema. Other possible causes of persistent fever or pulmonary infiltrates include drug fever, sepsis with multiple system organ failure, or pulmonary embolus with secondary infarction.

Guidelines For Rti The Value of Guidelines

Behavior, such as promoting the appropriate use of antibiotics. Effective clinical guidelines should improve patient care while enhancing cost savings. However, cost savings should not be the primary motivating factor. A recent example reported by Beilby et al. described a government intervention in Australia intended to decrease costs by reducing the use of amoxicillin-clavulanate (38). As a result, costs increased through the occurrence of adverse outcomes in patients with acute otitis media (AOM), sinusitis, lower RTI, and acute exacerbations of chronic bronchitis (AECB).

The FDA Has to Level the Playing Field with Generic Antibiotics

The FDA cannot continue to allow Americans to use generic drugs that would not meet FDA's modern standards. All drugs have to meet the same standard of efficacy and safety. Specifically, I'm speaking about all the antibiotics that have ever been approved by the FDA for otitis, sinusitis, bronchitis and pneumonia. If the FDA has decided that the trials that were previously carried out do not show benefit, than by definition the risk to benefit ratio for those drugs is zero. Their marketing approval for those indications should be withdrawn. This is especially important since the use of the older generic drugs tends to be much greater than the use of the new antibiotics which is so closely monitored for approval. With the greater use of the older drugs comes the potential for greater danger.

Specimen Collection and Transport

Cultures of endophthalmitis specimens are inoculated with material obtained by the ophthalmologist from the anterior and posterior chambers of the eye, wound abscesses, and wound dehiscences (splitting open). Lid infection material is collected on a swab in a conventional manner. For microbiologic studies of canaliculus, material from the lacrimal canal should be transported under anaerobic conditions. Aspiration of fluid from the orbit is contraindicated in patients with orbital cellulitis. Because sinusitis is the most common background factor, an otolaryngologist's assistance in obtaining material from the maxillary sinus by antral puncture is helpful. Blood cultures should also be obtained. Tissue biopsy is essential for microbiologic diagnosis of mucormycosis. Because cultures are usually negative, the diagnosis is made by histologic examination,

Epidemiology And Etiology Of Disease

Although difficult to access, the actual incidence of acute sinusitis parallels that of acute upper respiratory tract infections (i.e., being most prevalent in the fall through spring). Most studies of the microbiology of acute sinusitis have dealt with maxillary sinusitis because it is the most common type and the only one really accessible for puncture and aspiration. Acute viral sinusitis is one of the most common causes of respiratory tract infection and in most cases resolves without treatment. However, published estimates indicate that 0.5 to 2 of cases of acute viral sinusitis in adults are complicated by bacterial sinusitis. This scenario is even more common in children.12 Bacteria cultures are positive in about three fourths of patients. Studies over the past 2 decades have indicated that Streptococcus pneumoniae and Haemophilus influenzae are the major bacterial pathogens in adults with acute sinusitis other species such as beta-hemo-lytic and alpha-hemolytic streptococci....

Physiopathology of MRSA Infections in Surgical Patients

Binding of S. aureus cell-surface components (e.g., teichoic acids) with either carbohydrate-rich surface components of mucosal epithelial cells or nasal mucus secretions provides a suitable explanation for initial colonization. Long-term carriage, however, is less understood. Inverted confocal laser scan fluorescence and electron microscopic examination of intranasal biopsy specimens from patients suffering from recurrent S. aureus rhinosinusitis revealed foci of intracellular reservoirs of S. aureus in the epithelium, glandular, and myofibroblastic cells (Clement et al. 2005). Of 450 university student volunteers from North Carolina, 29 were S. aureus carriers. Two percent of the S. aureus were resistant to methicillin. Independent risk factors for carriage in this setting included older age, male gender, and chronic sinusitis (Bischoff et al. 2004). Carriage is most often clonal, although one observation suggested that about 7 of S. aureus-colonized individuals carry more than one...

Importance for Resistance at the Individual Level

This enormous level of antimicrobial drug use in the community has implications at the individual level, especially for Streptococcus pneumoniae, the leading cause of community-acquired bacterial pneumonia, meningitis, sinusitis, and otitis media in the United States (3-5). Prior antibiotic use is a risk factor for carriage of, and infection with, antimicrobial-resistant S. pneumoniae (1,6-9). The very high rate of pediatric antibiotic use is especially important, particularly for individuals in childcare. As young children are the age group most likely to be pneumococcal carriers and most likely to be exposed to antimicrobial drugs, they are not surprisingly major carriers of resistant organisms (1,10) and at high risk of resistant infections (8). Colonized individuals in close quarters with symptoms of upper respiratory infection are at increased risk of spreading resistant organisms to other individuals (1). The transmission of drug-resistant pneumococci is of clinical importance,...

Medical Provider Interventions

Centers for Disease Control and Prevention (CDC) has recently completed a series of practice guidelines regarding appropriate antibiotic use for adult acute respiratory infection, including bronchitis (71), exacerbations of chronic obstructive pulmonary disease (72), pharyngitis (73), sinusitis (74), and nonspecific upper respiratory tract infections (75), and publishes regular guideline updates for influenza (76). The Infectious Diseases Society of America (3) and the American Thoracic Society (77) published recommendations for the management of adult community-acquired pneumonia. The American Academy of Pediatrics published guidelines for the diagnosis and antibiotic treatment of pediatric acute otitis media, the most common outpatient diagnosis for which an antibiotic is prescribed for children (78,79), and pediatric sinusitis (79).

Examples Of Successful Interventions To Reduce Inappropriate Antibiotic

Samore et al. reported their cluster randomized trial in 12 rural Idaho and Utah communities, testing the impact of a community intervention with and without a clinical decision support system (CDSS) on reducing inappropriate primary care and emergency department antibiotic prescribing for respiratory infections. The community intervention was introduced in two waves. The first wave included meetings with community leaders, print news releases, distribution of bilingual examination room posters and brochures about appropriate antibiotic use in physician offices and pharmacies, and a mailing of a do not treat viral infections with antibiotics information card and refrigerator magnet to parents of children under 6 years of age. The second community intervention wave centered on self-care for respiratory illnesses. A spiral bound self-care guide for respiratory tract infections was distributed at clinics, health fairs, special events, and through one-to-one interactions with community...

The Immunodeficiency Disorders

Secondary causes of immune dysfunction must be considered when one is evaluating for immunodeficiency, since secondary disorders occur much more commonly than the primary disorders (Table 2). For the individual with recurrent sinusitis and pneumonia, disorders resulting in impairment of mucus clearance from the respiratory tract such as cystic fibrosis and ciliary dysfunction should be considered. Similarly, the chronic congestion associated with perennial allergic rhinitis can predispose to URI. Opportunistic infection and wasting are hallmark findings of AIDS however, recurrent bacterial infection is common in HIV infection, especially in children. Immunodeficiency related to a single site that is associated with loss of protein in the stool or urine should trigger an

Virulence of Anaerobic Bacteria and the Role of Capsule

Bacterial Encapsulation

Clinical and animal studies showed bacterial synergy between anaerobic and aerobic or other anaerobic bacteria (12,13). Data derived from therapy of mixed infection also provided support for the importance of anaerobic bacteria. Polymicrobial infection involving aerobic and anaerobic bacteria responded to therapy directed at the eradication of only the anaerobic component of the infection with either metronidazole or clindamycin (14). However, for complete eradication of the infection, animal and patient studies have demonstrated that unless therapy is directed against both aerobic and anaerobic bacteria, the untreated organisms will survive (15-18). Bartlett et al. (15) demonstrated in an intra-abdominal abscess model in rats that combined therapy of clindamycin and gentamicin was needed to prevent mortality caused by Escherichia coli sepsis and abscesses caused by B. fragilis. Thadepalli et al. (16) showed that in patients with intra-abdominal trauma, clindamycin and kanamycin were...

Clinical Clues to Diagnosis of Anaerobic Infections

Anaerobes belonging to the indigenous flora of the oral cavity can be recovered from various infections adjacent to that area such as cervical lymphadenitis (7,8) subcutaneous abscesses (9) and burns (10) in proximity to the oral cavity human and animal bites (11) paronychia (12) tonsillar and retropharyngeal abscesses (13) chronic sinusitis (14) chronic otitis media (15) periodontal abscess (16) thyroiditis (17) aspiration pneumonia (18) empyema (19), and bacteremia associated with one of the above infections (20). The predominant anaerobes recovered in these infections are species of anaerobic gram-negative bacilli including pigmented Prevotella and Porphyromonas, Prevotella oralis, Fusobacterium, and gram-positive anaerobic cocci (Peptostreptococcus spp.) which are all part of the normal flora, the mucous surfaces of the oral, pharyngeal, and sinus flora (Table 3). 14. Brook I, Frazier EH. Correlation between microbiology and previous sinus surgery in patients with chronic...

Collection Transportation and Processing of Specimens for Culture

Portacul Bacteria Collection

Because anaerobic bacteria frequently can be involved in various infections, ideally, all properly collected specimens should be cultured for these organisms. The physician should make special efforts to isolate anaerobic organisms in infections in which these organisms are frequently recovered, such as abscesses, wounds in and around the oral and anal cavities, chronic otitis media and sinusitis, aspiration pneumonia, and intraabdominal and obstetrical and gynecological infections among others.

Bacteroides fragilis Group

Prevotella oralis is part of the normal flora of the mouth and vagina. Unlike B. fragilis, however, strains of P. oralis generally are susceptible to penicillin and the cephalosporins, although more strains of P. oralis have shown resistance to these drugs. P. oralis almost never is found in pure culture in clinical infection. This organism can possess a capsule (67). It has been recovered from almost all types of respiratory tract and subcutaneous infections, including aspiration pneumonia (38), lung abscess (61), chronic otitis media (14), and sinusitis (15), and subcutaneous abscesses around the oral cavity (58). organisms that are capable of supplying this need Pigmented Prevotella and Porphyromonas are part of the normal oral and vaginal flora and are the predominant anaerobic gram negative bacilli isolated from respiratory infections. These include aspiration pneumonia (38), lung abscess (61), chronic otitis media (14), and chronic sinusitis (15). These organisms have been...

Surgical Risks to the Olfactory System

Chronic rhinosinusitis is the most common chronic inflammatory disease and is frequently associated with impaired sense of smell 198, 199 . When symptomatic patients do not improve on medical treatment, endoscopic sinus surgery (ESS) may be proposed. Nasal polyposis is considered as the ultimate stage of chronic rhinosinusitis for which the mainstay of treatment is medical, but in which ESS plays a part in the majority of cases resistant to medication. Assessment of preoperative olfactory function is important since patients suffering from chronic rhinosinusitis are not always aware of their olfactory dysfunction, and occurrence of olfactory loss or disorders after endonasal surgery has been reported to be as high as 1 183, 200, 201 . Nevertheless, this may be an overestimation, as recent studies suggested 184, 185 . Regarding bilateral choanal atresia, surgical repair at relatively advanced ages (8-10 years) was not associated with olfactory improvement 202 . This observation...

Causes and Symptoms of Smell Disorders

The third large group of patients who seek counseling for olfactory problems are patients suffering from concomitant sinunasal problems. Approximately 20 of all patients in smell and taste consultations have lost or impaired olfactory function due to a nasal problem 124 . Nasal polyposis has been known for a long time to decrease olfactory abilities due to the mechanical obstruction of nasal cavity restricting the airflow to the olfactory cleft 77, 129, 147-151 . During the last two decades, as a result of better olfactory tests, mild olfactory impairments could also be identified in other groups of patients with sinunasal diseases such as allergic and uncomplicated chronic rhinosinusitis 77, 152, 153 . In contrast to posttrau-matic and post-URTI olfactory dysfunctions, these patients rarely exhibit parosmia or phantosmia.

Fusobacterium Species

The infectious sites where anaerobic cocci predominate are in descending order of frequency ear, bone, cysts, obstetric and gynecologic, abscesses, and sinuses. These organisms are part of the normal flora of the mouth, upper respiratory tract, intestinal tract, vagina, and skin (7). Their presence has been documented in adults in a variety of syndromes, including endocarditis, brain abscesses, puerperal sepsis, traumatic wounds, and postoperative necro-tizing fasciitis (2,3). They have been recovered in children in subcutaneous abscesses and burns around the oral and anal areas, intra-abdominal infections (18), decubitus ulcers (80), and also have been isolated as causes of bacteremia (11), and brain abscesses (37,81). These organisms are predominant isolates also in all types of respiratory infections in children and adults including chronic sinusitis (15), mastoiditis (16), acute (82,83) and chronic (14) otitis media, aspiration pneumonia (38,60), and lung abscess (60,61). They...

Jonathan Corren md and Gary Rachelefsky md

Sinusitis Otitis Media Suggested Reading Sinusitis occurs in both acute and chronic forms. The acute form is usually a result of bacterial complications secondary to a viral upper respiratory tract event. Approximately 1 in 200 viral upper respiratory tract events results in a secondary bacterial infection of the sinuses, with the ethmoids and maxillary deemed the most frequently involved. Chronic sinusitis may be a complication of repeated bacterial infections but more often than not appears to be a disease de novo characterized by an as yet undefined abnormality of the sinus mucosa. This predisposes to chronic infections. Acute otitis media (AOM) is analogous to acute sinusitis in that it is a result of obstruction at the osteum of the eustachian tube. The bacteria responsible for AOM are similar to that responsible for acute sinusitis. Allergic rhinitis is certainly a predisposing factor for AOM and probably a predisposing factor for sinusitis as well.

Antibacterial Treatment of Community Acquired Respiratory Tract Infections

Introduction - Community-acquired respiratory tract infections (CARTIs) represent one of the most globally prevalent classes of infection. Acute RTIs account for approximately 75 of all antibiotic prescriptions and 20 of all medical consultations (1). Community-acquired upper respiratory tract infections (CAURTI) (pharyngitis tonsillitis, laryngitis, otitis media and sinusitis) and viral RTIs (rhinorrhea the common cold, influenza A B, adenovirus, parainfluenza and syncytial virus) are typically not life-threatening unless complicated by a coinfection or an immunocompromised host (e.g. meningitis, HIV, etc.). Generally, CAURTIs respond well to front-line antibiotics such as penicillins, erythromycin, azithromycin, amoxicillin clavulanate or cefpodoxime. Viral RTIs are usually self-limiting and only require symptomatic support (2,3). Of greater concern are lower respiratory tract infections (LRTI) which include community-acquired pneumonia (CAP) and acute exacerbations of chronic...

The FDA Increases Clinical Trial Design Stringency and Costs Companies Abandon Antibiotic Research

With their advisory committee and in public, the FDA began to examine the issue of antibiotics used for mild infections like sinusitis, bronchitis and otitis (middle ear infections). The issue for these infections is that they frequently are caused by viruses and not bacteria and therefore would not respond to antibiotics in any case. This leads to much of the unnecessary use of antibiotics which in turn probably leads to antibiotic resistance. The other question is that even when bacteria cause these types of infections, will they get better without treatment Will serious complications arise without antibiotic treatment How do we know that antibiotics even work The scientific literature is very conflicted on this subject. The area of mild infections is directly related to the agency's basic concern about comparative trials where a placebo is not used. How do we know that the standard or comparator antibiotic is better than no antibiotic

Conditions Associated With Exacerbations Of Asthma

Sinusitis An association between asthma and concomitant sinus disease has been recognized since the early part of the century and has been reconfirmed repeatedly both in children and adults. It is estimated that 60-75 of severe asthmatics have concomitant sinusitis and that 20-30 of sinusitis patients have asthma. Slavin treated 33 adults with asthma and concomitant sinusitis medically or surgically. After therapy, 28 of 33 subjects believed their asthma was improved, and 15 of 18 reduced their steroid requirement by 85 . Anecdotal observations suggest that the difficulty of treating asthmatics with sinusitis is proportional to the degree of sinusitis present. Physicians treating asthmatics should be alert to the possibilities that sinusitis frequently coexists in their patients and that the severity of the sinusitis may influence the course of the bronchial asthma. Although the precise mechanism by which sinusitis worsens asthma is not known with certainty, there is substantial...

Treatment of Olfactory Disorders

Antibiotics Putrid acute sinusitis is most frequently the result of infection by streptococcus pneumoniae, haemophilus influenzae, and moraxella catarrhalis which are relatively sensitive to antibiotic therapy. However, in the chronic form of putrid sinusitis, staphylococcus aureus and pseudomonas aeruginosa are much more important. Whenever possible, antibiotic therapy should only be started after the bacteria have been identified and tested for resistance to antibiotics. It is important to note that in chronic putrid sinusitis antibiotic treatment is not always successful.

Treatment of Concomitant Diseases and Conditions

Many asthmatics will only respond once their concomitant sinusitis, GERD, thyroiditis, emotional stress, or pregnancy is under control. Moreover, the treatment of asthma requires close attention to concomitant colds, flu, bronchitis, environmental irritant or pollutant inhalation, recreational drug use, and emotional changes. Compliance is a significant problem, both with medication use and allergen avoidance and inhaler techniques. Thus, the physician who treats asthma needs to keep the whole patient in focus, as well as his work and family environment. On the other hand, proper treatment is nearly always effective and can be extraordinarily gratifying. It is common to convert pulmonary cripples into totally functioning humans in a matter of weeks.

Biotech Is Still a High Risk Proposition

For every biotech success story like Cubist, there are many less happy stories. Some experts estimate that only 10 of biotech companies will succeed. One example of the other 90 is Replidyne, of Louisville, Colorado. Replidyne started with technologies for finding new antibiotics, but then realized that it too needed a near term product to attract investor capital. They licensed an antibiotic from Glaxo Smith Kline that could only be developed as a topical product. This was not sufficient to attract investor dollars, so they then licensed in an oral antibiotic called faropenem from a Japanese pharmaceutical company, Daiichi-Suntory, now Asubio. Faropenem was like an oral version of the very active carbapenems like imipenem. It had already been tested in late stage trials by Bayer (who had licensed it previously from the Daiichi). (In fact, when I first joined Wyeth, we were just giving faropenem back to Daiichi. It is such a small world ) When Bayer abandoned antibiotics, they...

Introduction to Anaerobes

Respiratory tract, intra-abdominal and subcutaneous infections Sinusitis, brain abscesses Clostridia strains (C. perfringens, C. butyricum, and C. difficile) have been recovered from blood and peritoneal cultures of necrotizing enterocolitis and from infants with sudden death syndrome (8-10). Strains of Clostridium were recovered from children with bacteremia of gastrointestinal origin (11) and with sickle cell disease (12). Clostridial strains have been recovered from specimens obtained from patients with acute (13) and chronic (14) otitis media, chronic sinusitis and mastoiditis (15,16), peritonsillar abscesses (17), peritonitis (18,19), liver and spleen abscesses (20), abdominal abscesses (21), and neonatal conjunctivitis (22,23). Eubacterium spp. are part of the flora of the mouth and the bowel. They have been recognized as pathogens in chronic periodontal disease (29) and in infections associated with intra-uterine devices (30), and have been isolated from patients with...

Do We Want New Antibiotics for Mild Infections Is Bacterial Bronchitis in the Setting of Chronic Lung Disease a Mild

The FDA and Europe could make an enormous difference immediately. First, for mild, acute infections like otitis, sinusitis and bronchitis, they need to reconsider their entire approach. For example, for otitis, where most authorities agree that expectant therapy is a reasonable approach, placebo-controlled trials remain difficult to accomplish, especially in the US. Guidelines from the American Society of Pediatrics suggest that patients with severe symptoms, those age 2 or less and those where the diagnosis is certain that it is otitis media, be treated with antibiotics immediately. This leaves older children, those with milder disease and those where the diagnosis is less certain (the majority of patients) available for expectant therapy. Nevertheless, recent surveys have shown that only 15 of children in the US are treated expectantly. The most common reason is parental concern (85 of parents) about not using antibiotics. One solution is based on a recent study reviewing many...

Medical Professionals

A major factor is imperfect knowledge of the prescriber. This lack of knowledge has to do with insufficient knowledge of infectious diseases, the potential causative microorganisms and their susceptibility to antimicrobials, and expertise on antimicrobial drugs. With regard to the latter, there is probably too little emphasis in most medical curricula on the relevance of prudent antibiotic prescribing. Imperfect knowledge of infectious diseases leads to insecurity about the diagnosis and difficulties of distinguishing in the clinic between bacterial and viral infections. Apparently, many physicians do not know (or ignore) that antibiotics do not influence the outcome in most cases of common infections such as otitis media, sinusitis, acute bronchitis, and chronic obstructive pulmonary disease.5-9 In a series of elegant studies Holmes et al. showed that antibiotics do not alter the natural course of cough. 10 Poor case definition also in the hospital setting will lead to indiscriminate...

Tcell And Combined Disorders

Primary disorders of T-cell function and combined T-cell defects come in many forms. One combined immunodeficiency, Wiskott-Aldrich syndrome (WAS), results from defects in the gene for the WAS protein (WASP), encoded on the X chromosome. WASP is a complex protein that functions in phagocytosis of microorganisms and apoptotic cells and regulation of cytoskeletal architecture in T-cells and platelets. WAS results in to profound humoral and cellular deficiency hallmarked by eczema, excessive bleeding, and thrombocytopenia. Patients usually have elevated levels of IgE and IgA accompanied by low levels of IgM. Atopic dermatitis and recurrent infections, including otitis media, pneumonia, sinusitis, meningitis, or sepsis, with pneumococci or other encapsulated bacteria present during the first 12 mo. BMT from HLA-identical siblings or HLA-matched unrelated donors have resulted in complete correction of both platelet and immunological abnormalities.

BL in Clinical Infections

BL activity was detected in 46 of 88 (55 ) ear aspirates that contained BLPB (184). Brook et al. found BL activity in ear aspirates of 30 of 38 (79 ) children with chronic otitis media (209), in 17 of 19 (89 ) ear aspirates of children with acute otitis media who failed amoxicillin (AMX) therapy (210), and in 12 sinus aspirates (three acute and nine chronic infection) of the 14 aspirates that contained BLPB. The predominant BLPBs in acute sinusitis were H. influenzae, and Moraxella catarrhalis those in chronic sinusitis were S. aureus, Prevotella spp., Fusobacterium spp., and B. fragilis (see Table 5, chapter 14) (211).

Emergence of MDR Pathogens

Group A streptococcus (GAS) is the most common cause of tonsillopharyngitis requiring antibiotic therapy (25). GAS is associated with both suppurative and nonsuppurative complications (26). Suppurative complications include local cellu-litis, abscess formation, myositis, fasciitis, otitis media, and sinusitis. Nonsuppura-tive complications include rheumatic fever, streptococcal toxic shock syndrome, and glomerulonephritis. Prevention of acute rheumatic fever is the principle goal of treatment, but antibiotic therapy also reduces severity and duration of symptoms, shortens the infective period, and reduces suppurative complications.

Streptococcus Pneumoniae Resistance to Penicillin Mechanism and Clinical Significance

Streptococcus pneumoniae (S. pneumoniae) is the most commonly identified bacterial cause of meningitis (Schuchat et al., 1997), otitis media and acute sinusitis in adults (Barnett and Klein, 1995 Jacobs, 1996), and community-acquired pneumonia (CAP) at all ages throughout the world (Marston et al., 1997). It is also a frequent cause of bacteremia and one of the most frequent pathogens involved in Chronic Obstructive Pulmonary Disease (COPD) exacerbations.

Box 14 Vaccine Resistant Pathogens

Vaccines for Streptococcus pneumoniae (also known as pneumococ-cus) illustrate the principle of replacement.29 This organism, which causes pneumonia, otitis media (middle ear infection), sinusitis, and meningitis, colonizes the nasopharynx of 50 of children and about 2.5 of adults. Two types of vaccine are available, one prepared against polysaccharides of 23 pneumococcal strains and the other against a nontoxic diphtheria protein conjugated to polysaccharide from 7 strains of S. pneumoniae. The former reduces the impact of disease, whereas the latter also eliminates colonization by the pathogen. Because more than 90 strains (serotypes) of S. pneumoniae have been identified, neither vaccine was expected to provide full coverage. Nevertheless, the 7-strain vaccine reduced invasive pneumococcal disease by more than 70 . The fraction of antibiotic-resistant pneumococci also dropped. However, elimination of vaccine strains as colonizers created an ecological niche for nonvaccine strains....

Reasons For Lack Of Benefit From Immunotherapy

The reasons for lack of benefit from allergen immunotherapy include (1) inappropriate treatment with such therapy of non-IgE-mediated disease, such as chronic nonallergic rhinitis or vasomotor rhinitis (2) utilization of low-potency allergen vaccines (3) administration of inadequate doses of allergen (4) ineffective environmental control resulting in continued excessive exposure, for example, to cat or dog dander (5) a coexistent medical problem, such as sinusitis and nasal polyps, which accounts for most of the

Pulmonary Complications

Most cases of pneumonia are seen in patients who require mechanical ventilation. Extu-bation should be performed as early as clinically possible. Care must be taken to prevent accidental extubation. Nasally placed endotracheal tubes should be avoided to diminish risk of sinusitis