期刊
CLINICAL TRANSPLANTATION
卷 16, 期 4, 页码 310-313出版社
BLACKWELL MUNKSGAARD
DOI: 10.1034/j.1399-0012.2002.02006.x
关键词
allograft thrombosis; protein C deficiency; renal transplantation; thrombophilia
Renal allograft recipients with thrombophilic (hypercoagulable) states are at higher risk for early allograft loss. Presumably, the combination of endothelial injury at surgery and thrombophilia predisposes to arterial or venous thrombosis. Of 270 consecutive renal transplants at our center one allograft failed secondary to renovascular thrombosis. At exploration the iliac and renal veins were thrombosed. Thrombectomy and re-implantation were attempted, but unsuccessful. Also noted at surgery was extensive clot in the femoral vein that could not be removed by embolectomy catheters. Post-operatively, a Doppler ultrasound confirmed the presence of extensive deep venous thrombosis (DVT) in the femoral and popliteal veins. The adherent nature of this clot, the extent of clot found less than 12 h after renal transplantation and the absence of leg edema suggested that the DVT existed prior to surgery. This case demonstrates that a pre-existing, asymptomatic DVT can precipitate allograft thrombosis and highlights the importance of diagnosing thrombophilia in patients undergoing renal transplantation. Current practices in our unit have evolved to include screening for thrombophilia in all patients with a suggestive history. As thrombophilic states are increasingly appreciated in the end-stage renal disease population, effective management of these patients while on hemodialysis and at the time of renal transplantation presents an ongoing challenge.
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