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Background. Rectum resection with total mesorectal excision (TME) and neorectal anastomosis often compromises anorectal function. Insight into the underlying mechanisms is lacking. Therefore, a prospective study was designed to investigate the relationship between clinical and functional outcomes preoperatively and postoperatively. Methods. Eleven patients with rectal cancer were examined before and...
Background. Wound infections are common and serious surgical complications. Wound perfusion delivers oxygen, inflammatory cells, growth factors, and cytokines to injured tissues. Hypoperfused regions experience low oxygen tensions that do not support adequate oxidative killing or wound healing. Clinicians may fail to recognize clinically important hypovolemia because hemodynamic stability and urine...
Background. Although radical operation and adjuvant chemoradiotherapy improve survival in patients with advanced esophageal cancer, more than half of these patients have recurrence. The aim of this study was to explore treatment responses and prognostic factors in patients with recurrent esophageal cancer. Methods. The operative specimens from 258 patients undergoing radical esophagectomy with extended...
Background. Intra-arterial chemotherapy is an effective modality to treat unresectable hepatic metastases from colorectal primaries if systemic chemotherapy has failed. Response rates of more than 40% and a median survival of 15 to 25 months have been reported from randomized trials. In this retrospective study, we analyzed specific technical complications associated with continuous intra-arterial...
Background. Persistent symptomatic gastroesophageal reflux disease (GERD) can be treated with medication or surgery. The purposes of this study were (1) to determine how poor the quality of life on medication would need to be to justify assuming the risks of surgery, and (2) to estimate the proportion of patients currently on medication whose quality of life is below this value. Methods. We developed...
Background. Central gastrectomy (CG) for gastric cancer was developed to preserve pyloric function and maintain a large gastric volume. Whether this procedure is feasible for limited cases of gastric cancer is unclear. Methods. On the basis of Union Internationale Contre le Cancer TNM classification, pathologic characteristics, perioperative parameters, and long-term results, we analyzed 100 patients...
Background. Renal ischemic preconditioning (IPC) is a phenomenon whereby a brief period of ischemia and reperfusion (I/R) provides tolerance to subsequent periods of ischemia. IPC has been demonstrated to protect rodent kidneys during I/R. The applicability to large mammals, including human beings, is unclear. The objective of this study was to determine if renal IPC has a beneficial effect in a large...
Background. Radionuclide imaging-directed, minimally invasive parathyroid operation is promoted in the surgical literature and public domain as the fastest, most successful, and cheapest means of treating primary idiopathic hyperparathyroidism. The validity of these claims is unproven. This study reviews the treatment outcome results of a large series of patients treated with standard parathyroid...
Background. Mammaglobin-A is an attractive target for immune-based therapy for patients with breast cancer because of its exclusive expression in breast cancer. In this study, we attempted to identify immunogenic T cell epitopes restricted by human leukocyte antigen (HLA)-A2 in mammaglobin-A protein. Methods. To identify HLA-A2-restricted immunogenic epitopes from mammaglobin-A, 7 candidate peptides...
Background. Surgeons sometimes encounter hyperbilirubinemia without mechanical obstruction of the biliary tree postoperatively. Many of these patients have bacterial infections and endotoxemia. Kupffer's cells stimulated by endotoxin secrete inflammatory cytokines such as tumor necrosis factor (TNF)-α and interleukin (IL)-6. We hypothesized that TNF-α and IL-6 might be involved in the pathogenesis...
Background. Cell membrane rupture by oxygen-derived free radicals is a systematic feature of ischemia/reperfusion (I/R) injury. High taurine concentration gradients in skeletal muscle prompted us to evaluate whether plasma taurine levels (pTau) are a useful marker of I/R injury after different periods of ischemia. Methods. Rabbits were randomly assigned to either 1 or 2.5 hours of hind-limb ischemia...
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