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1.
Transplant Proc ; 51(2): 450-453, 2019 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-30879564

RESUMEN

PURPOSE: Everolimus, a mammalian target of rapamycin inhibitor, may have a protective role on hepatocellular carcinoma (HCC) recurrence after liver transplantation (LT), but data regarding the impact of its trough serum levels on HCC recurrence are missing. METHODS: Fifty-five patients (43 men, age 55 ± 8 years) who underwent LT for HCC were evaluated. Several demographic and clinical variables were recorded, including radiological and histological characteristics of HCC as well as dosages and trough levels of immunosuppressive regimens. RESULTS: HCC recurrence occurred in 11 (20%) patients: 5 (25%) of 20 patients under calcineurin inhibitors and 6 (17%) of the 35 patients under everolimus (P = .48). The patients with HCC recurrence (n = 11, group 1), compared to those without recurrence (n = 44, group 2), had significantly more frequent HCC in the explant: outside Milan criteria (P = .001), microvascular invasion (P < .001), and higher number of nodules (P = .001). In multivariate analysis, microvascular invasion was the only independent factor significantly associated with HCC recurrence (OR: 2.3, 95% CI: 1.4-10.5, P = .03). Among the patients who received everolimus-based immunosuppression, the recipients with HCC recurrence, compared to those without HCC recurrence, had significantly lower mean trough levels of everolimus at 7-12 months post-LT (3.9 vs 5.9 ng/mL, P = .001), while the patients with mean trough levels of everolimus >6 ng/mL had decreased HCC recurrence rates (log rank: 2.3, P = .007). CONCLUSIONS: We found for the first time mean concentrations of everolimus between 7-12 months post-LT as the only modifiable variable related with HCC recurrence in LT recipients. However, larger studies are needed for final conclusions.


Asunto(s)
Carcinoma Hepatocelular/patología , Everolimus/sangre , Inmunosupresores/sangre , Neoplasias Hepáticas/patología , Trasplante de Hígado , Recurrencia Local de Neoplasia/epidemiología , Inhibidores de la Calcineurina/uso terapéutico , Carcinoma Hepatocelular/cirugía , Everolimus/uso terapéutico , Femenino , Humanos , Terapia de Inmunosupresión/métodos , Inmunosupresores/uso terapéutico , Neoplasias Hepáticas/cirugía , Masculino , Persona de Mediana Edad , Recurrencia Local de Neoplasia/sangre
2.
Obes Surg ; 15(10): 1496-500, 2005.
Artículo en Inglés | MEDLINE | ID: mdl-16354534

RESUMEN

Rhabdomyolysis is a rare complication of serious surgical procedures, and constitutes a clinical and biochemical syndrome, caused by injury and destruction of skeletal muscles. It is accompanied by pain in the region of the referred muscle group, increase in creatine phosphokinase levels, myoglobinuria, often with severe renal failure, and finally multi-organ system failure and death, if not treated in time. The main risk factor in the development of postoperative rhabdomyolysis is prolonged intraoperative immobilization of the patient. Morbidly obese patients who undergo laparoscopic bariatric operations should be considered high-risk for rhabdomyolysis, from extended immobilization and pressure phenomena in the lumbar region and gluteal muscles. We report a 20-year-old woman with BMI 51, who underwent a prolonged laparoscopic Roux-en-Y gastric bypass. Postoperatively, she presented severe myalgia in the gluteal muscles and lumbar region, oliguria and creatine phosphokinase levels that reached 38,700 U/L. She was treated with intensive hydration and analgesics, and did not develop acute renal failure because diagnosis and treatment were attained immediately.


Asunto(s)
Derivación Gástrica/efectos adversos , Laparoscopía/efectos adversos , Obesidad Mórbida/cirugía , Rabdomiólisis/etiología , Adulto , Femenino , Humanos , Rabdomiólisis/diagnóstico , Rabdomiólisis/terapia
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