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We report a case of amniotic band syndrome complicated by constriction bands and marked distal swelling of both lower extremities. Color Doppler interrogation of the right lower extremity revealed complete lack of blood flow below the level of the constriction. Upon fetoscopic survey, the right lower extremity beyond the constriction band appeared dusky red and discolored with desquamation, consistent with a necrotic appearance. The constriction bands were cut in utero using endoshears, thereby allowing restoration of blood flow on postoperative day 1. The patient was counseled extensively regarding the possibility of limb dysfunction or amputation. However, the baby was born with functional lower extremities, and at 21 months of age, the child was cruising and jumping on his own. This case demonstrates that there is unique plasticity in fetal limb recovery after a severe ischemic injury that is not otherwise seen in postnatal life. Reperfusion of the necrotic-appearing limb resulted in restoration of appearance and function without apparent deleterious effects on the fetus. We believe the favorable outcome in this case was likely due to timeliness of the in utero lysis of amniotic bands and the plasticity of fetal healing.

Salvage of Necrotic-Appearing Limb after In Utero Endoscopic Lysis of Constriction Bands