The use of Gore-Tex membrane for adhesion prevention in tethered spinal cord surgery: Technical case reports

OBJECTIVE: The incidence of retethering caused by postoperative adhesions a t the repair site after initial tethered spinal cord surgery is not uncommo n. To assess the effectiveness of a Core-Tex membrane in preventing these a dhesions, only clinical radiological and experimental animal evaluation has been reported. In this report, we describe two cases in which Gore-Tex mem brane was implanted at the initial untethering surgery and in which we were able to confirm the real effectiveness of the Gore-Tex membrane during a s econd operation. METHODS: In the first patient, Gore-Tex membrane was used for dural repair in the untethering surgery of the split spinal cord malformation. Because o f the suspicion of a thickened filum terminale, repeated surgery was indica ted 10 months after the initial procedure. In the second patient, Gore-Tex membrane was implanted during the initial untethering surgery for a lipo-my eloschisis and a dermal sinus. Because of a persistent fistula of the derma l sinus, a second operation was necessary 1 year after the first operation. RESULTS: During the repeated surgery, a thorough inspection of the implante d Core-Tex membrane revealed no adhesions between the Gore-Tex membrane and the intradural content in both cases. CONCLUSION: We support the use of Core-Tex membrane in the prevention of po stoperative dural adhesions in the repair of spinal dysraphism.