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Lower Extremity Amputation: Open Versus Closed

Tulane University School of Medicine, New Orleans, Louisiana

Matthew K. Money, B.S.

Tulane University School of Medicine, New Orleans, Louisiana

Morris D. Kerstein, M.D., F.A.C.A., F.I.C.A.

Tulane University School of Medicine, New Orleans, Louisiana

Wound breakdown was assessed in 117 amputations for nonhealing lesions and peripheral vascular closure (² 10.34). Nonhealing occurred in 10/63 amputations with primary skin closure when compared with those not closed (p < .01). All 54 amputation sites treated by the open technique healed without revision. Of 22 toe amputations, the open technique performed in 14 patients required a mean of nine postoperative days; the closed-toe amputation technique performed in 8 patients needed a mean of 5.8 days; the closed-toe amputation requiring revision needed a mean of 36.3 days. Healing rates were significantly different when the wound was left open versus primarily closed (² 8.56 p < .01). Nineteen transmetatarsal amputations (TMA) were completed; 10 open TMAs required a mean of twenty-four days; 9 closed TMAs required a mean of fifteen days; and revision a mean of eighteen days. Of 51 below-the-knee amputations (BKA), 20 open BKAs required a mean of thirteen days; 3 closed BKAs required a mean of 18.5 days; and 1 revision required two hundred fifty-eight days postoperatively. Twenty-five above-the-knee amputations (AKA) were performed; the 10 open AKAs required a mean of sixteen days; the 15 closed AKAs required a mean of eleven days. There was no significant difference in healing rates of TMA, BKA, or AKA. Healing rates of toe amputations and amputation overall are, however, significantly different. Closed lower extremity amputation wounds require fewer hospital days than open, except if problems in wound healing require revision.

Angiology, Vol. 41, No. 3, 221-227 (1990)
DOI: 10.1177/000331979004100307


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