Cyclosporine or rejection enhance secretion of von Willebrand factor in renal transplantation.
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Biomedical subjects
Publications and source records attributed to R Nakache.
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Between 1960 and 1990, resection was performed in 23 of 122 patients who underwent surgical treatment for hilar cholangiocarcinoma. Local excision of the lesion alone was performed in 10 cases (43%). Hepatic resection for tumor extending to the secondary bile ducts or hepatic parenchyma was performed in 13 cases (57%): extended right hepatectomy (3), right hepatectomy (1), extended left hepatectomy (6), left hepatectomy (2), and left lobectectomy (1). In three other cases, resection by total hepatectomy and liver transplantation was performed, but these were not included in the analysis of results for resection. Significant operative complications occurred in only two cases (8.7%), and the operative mortality rate was zero. In four cases, complete excision of the tumor could not be achieved macroscopically (macroscopic curative resection rate 19/122; 15.6%). In nine cases, the margins of the resected specimens were free from tumor on histologic examination (microscopic curative resection rate, 9/122; 7.4%). In 10 cases, the resection margins were found to contain tumor on histologic examination. The overall survival rate was 87% at 1 year, 63% at 2 years, and 25% at 3 years (median survival, 24 months). The survival and freedom from recurrence rates for patients with free resection margins was superior to that for patients with involved resection margins or residual macroscopic disease. A potentially curative resection, with histologically negative margins and no recurrence to date, was achieved in seven patients using the following procedures: local excision for two type I lesions; left hepatectomy plus excision of segment 1 for two type IIIb lesions and one type IV lesion; right hepatectomy and right hepatectomy plus excision of segment 1 for two type IIIa lesions. These results indicate that improved survival in hilar cholangiocarcinoma can be achieved by resection, with minimal morbidity and zero mortality rates, if histologically free resection margins are obtained. To achieve this, we recommend the following procedures for each type of lesion, based on our experience and on anatomic considerations: local excision for type I; local excision plus resection of segment 1 for type II; local excision, resection of segment 1, and right or left hepatectomy for types IIIa and b; hepatectomy plus liver transplantation for type IV.
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The quality of life was compared between 14 combined pancreas-kidney-transplant patients (group 1) and 16 diabetic kidney-transplant patients (group 2). Minimum follow-up was 2 yr with functioning grafts. Two-thirds of both groups' patients were working, but 90% in group 1 and 50% in group 2 had full-time occupations. Also 7% in group 1 and 43% in group 2 had to modify their activity posttransplantation. The amount of lost workdays was calculated during periods of 2 yr pre- and posttransplantation: the figure decreased by 44% in group 1 (from 278 to 155) and was unchanged in group 2 (from 211 to 213). The number of sickness pensions paid increased from 28% of the patients pretransplantation to 42% in October 1987 in group 1 and from 20 to 62% in group 2. Over the last 2 yr, an average of 12 days of hospitalization were necessitated in group 1 compared to 25 days in group 2. When physical activity was evaluated, both groups judged their present state of health as good or very good (group 1, 78%; group 2, 73%). In group 1, 80% claimed they had recovered the same or better quality of life as they had before renal failure, compared to 50% in group 2. The investigation showed that group 1 seemed to achieve a better quality of life than group 2; all combined pancreas-kidney-transplant patients returned to a normal diet and achieved a less restricted life-style.
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UNLABELLED: Corticosteroids are an important element of immunosuppressive protocols, but their long-term use has detrimental effects on patient health, requiring eventual discontinuation. Herein, we present an evaluation of the safety and feasibility of corticosteroid withdrawal based on the findings of the Euro-SPK001 study. PATIENTS AND METHODS: In this prospective, multicenter study, 205 simultaneous pancreas-kidney (SPK) transplant recipients were randomized to immunosuppressive treatment with either tacrolimus and mycophenolate mofetil (MMF) (n = 103) or cyclosporine microemulsion (CsA-ME) and MMF (n = 102). All patients received concomitant rATG induction therapy, MMF, and short-term corticosteroids. RESULTS: Corticosteroid withdrawal was successful in the majority of in-study patients: 66% tacrolimus and 73% cyclosporin-ME. In-study patients selected for corticosteroid withdrawal experienced fewer pancreatic or kidney graft losses and fewer episodes of acute rejection compared with out-of-study patients or those continuing corticosteroid therapy. Acute rejection episodes occurred after corticosteroid withdrawal in two patients who had a previous rejection and in five patients who were rejection free before corticosteroid withdrawal. No rejection episodes were associated with graft loss or immediate serious consequences. Overall, corticosteroid withdrawal was achieved with an increase in both MMF and tacrolimus dosage. CONCLUSION: Corticosteroid withdrawal was successful in the majority of in-study patients. A long-term survey of corticosteroid withdrawal in SPK transplantation with multifactorial analyses is necessary to confirm these early results and to evaluate possible positive effects on glucose metabolism and hypertension.