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Figure 7.41. Severe atrophy and gangrene of the left lower extremity in an infant as a result of umbilical artery catheter placement. This can occur as a result of vasospasm or clot formation in a major vessel with inadequate collateral support in a very low birth-weight infant.

Figure 7.41. Severe atrophy and gangrene of the left lower extremity in an infant as a result of umbilical artery catheter placement. This can occur as a result of vasospasm or clot formation in a major vessel with inadequate collateral support in a very low birth-weight infant.

Figure 7.42. Discoloration and necrosis of the buttocks as a result of umbilical artery catheter placement in an infant at the age of 4 days. This occurs from spasm and thrombosis of the internal obturator artery which supplies the muscles of the buttock. Intra arterial injection of alkali may also be followed by gangrene of the buttock.

Figure 7.42. Discoloration and necrosis of the buttocks as a result of umbilical artery catheter placement in an infant at the age of 4 days. This occurs from spasm and thrombosis of the internal obturator artery which supplies the muscles of the buttock. Intra arterial injection of alkali may also be followed by gangrene of the buttock.

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