Experimental and clinical transplantation : official journal of the Middle East Society for Organ Transplantation · 2009
Effects of surgical technique on postoperative renal function after orthotopic liver transplant.
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Nikeghbalian Saman, Dehghani Masood, Salahi Heshmatollah, Bahador Ali, Kazemi Kourosh, Kakaei Farzad, Rajaei Elnaz, Gholami Siavosh, Malek-Hosseini Seyed Ali
Аннотация
OBJECTIVES: The classic technique for orthotopic liver transplant consists of the total excision of the retrohepatic inferior vena cava during native hepatectomy. Controversy about the effects of the classic technique on postoperative renal function continues. The aim of this study was to evaluate the effects of the chosen hepatectomy technique on postoperative renal function.
MATERIALS AND METHODS: Of 253 patients who received an orthotopic liver transplant between June 2006 and July 2008 in the Shiraz transplant unit, only 15 underwent operation with the classic technique. Patient demographics and factors including cold ischemic time, warm ischemic time, operative time, transfusions, blood loss, and early postoperative renal function were assessed retrospectively. The criteria for acute renal failure were a serum creatinine level of > 133 micromol/L (1.5 mg/dL), an increase in the baseline serum creatinine level by 50%, or oliguria requiring renal replacement therapy.
RESULTS: All patients received a liver from a deceased donor, and none required venovenous bypass during the operation. The minimum mean arterial blood pressure value of the patients during clamping was 65 -/+ 19 mm Hg. The mean preoperative plasma creatinine level was 87.51 -/+ 39.78 micromol (0.99 -/+ 0.45 mg/dL). During the first week after transplant, 7 patients (46.6%) experienced acute renal failure, and 3 of those 7 required renal replacement therapy. By the sixth postsurgical month, 4 of those 7 patients had died (1 from adult respiratory distress syndrome, 2 from sepsis, and 1 from recurrent cholangiocarcinoma). In all other patients, the plasma creatinine level had returned to the normal range by the third postsurgical week 3 or during short-term follow-up.
CONCLUSIONS: Use of the classic technique for orthotopic liver transplant may increase the rate of postoperative renal failure, but that complication usually resolves during short-term follow-up.
MATERIALS AND METHODS: Of 253 patients who received an orthotopic liver transplant between June 2006 and July 2008 in the Shiraz transplant unit, only 15 underwent operation with the classic technique. Patient demographics and factors including cold ischemic time, warm ischemic time, operative time, transfusions, blood loss, and early postoperative renal function were assessed retrospectively. The criteria for acute renal failure were a serum creatinine level of > 133 micromol/L (1.5 mg/dL), an increase in the baseline serum creatinine level by 50%, or oliguria requiring renal replacement therapy.
RESULTS: All patients received a liver from a deceased donor, and none required venovenous bypass during the operation. The minimum mean arterial blood pressure value of the patients during clamping was 65 -/+ 19 mm Hg. The mean preoperative plasma creatinine level was 87.51 -/+ 39.78 micromol (0.99 -/+ 0.45 mg/dL). During the first week after transplant, 7 patients (46.6%) experienced acute renal failure, and 3 of those 7 required renal replacement therapy. By the sixth postsurgical month, 4 of those 7 patients had died (1 from adult respiratory distress syndrome, 2 from sepsis, and 1 from recurrent cholangiocarcinoma). In all other patients, the plasma creatinine level had returned to the normal range by the third postsurgical week 3 or during short-term follow-up.
CONCLUSIONS: Use of the classic technique for orthotopic liver transplant may increase the rate of postoperative renal failure, but that complication usually resolves during short-term follow-up.