Kyriakos Psarras

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BACKGROUND Conversion of laparoscopic to open cholecystectomy is required in certain cases for the safe completion of the operation. Some factors contribute more to the need for conversion. METHODS Over a 13-year period, the laparoscopic cholecystectomy procedure was attempted in 1263 patients whose mean age was 54 years and 28% being male. The conversion(More)
OBJECTIVE Colorectal emergency requiring radical surgery is becoming increasingly frequent in the elderly and problems remain as regards the best management policy. Our long-time experience is presented in this study. PATIENTS AND METHODS In the last 23 years, 105 elderly patients, aged > or = 65 years, with colorectal disease underwent an emergency(More)
Laparoscopic cholecystectomy may lead to serious complications, some of which can be disastrous if they are not recognized and managed immediately. Over the past 12-year period, 1225 laparoscopic cholecystectomies were performed. Totally, major complications occurred in 19 cases (1.5%). The conversion rate was 7.4%. Complications included common bile duct(More)
BACKGROUND AND AIMS Although declining, cystic echinococcosis is still a serious public health issue in Greece. This study evaluated the clinical features, management, and short-term outcome of patients with complicated liver echinococcosis. MATERIAL AND METHODS A total of 227 patients who were operated on for 322 echinococcal cysts of the liver were(More)
Foreign body ingestion is a commonly seen accident in emergencies, usually in children (80%), elderly, mentally impaired, or alcoholic individuals, whereas it may occur intentionally in prisoners or psychiatric patients. According to the literature, 90% of ingested foreign bodies pass through the gastrointestinal tract without complications, 10% to 20%(More)
BACKGROUND Since octogenarians become a growing part of the population and surgical care is possible in them, this study was conducted to evaluate the outcome of laparoscopic cholecystectomy in patients 80 years of age and over. METHODS From June 1993 to May 2006, a total of 1263 patients underwent a laparoscopic cholecystectomy, applying the four-trocar(More)
BACKGROUND Autoimmune pancreatitis (AIP) is a rare form of chronic pancreatitis with a discrete pathophysiology, occasional diagnostic radiological findings, and characteristic histological features. Its etiology and pathogenesis are still under investigation, especially during the last decade. Another aspect of interest is the attempt to establish specific(More)
A hybrid human protein was produced in E. coli by fusing the genes encoding human pancreatic RNase1 (hpRNase1) and human IL-2 (hIL-2). The recombinant hpRNase1-hIL-2 inhibited protein synthesis in HTLV-1-infected, malignant T cells, which hyperproduce high affinity IL-2 receptors, with an IC(50)of 2x10(-8) M, whereas no inhibition was detectable in control(More)
The aim of the study was to investigate the effect of angiogenesis inhibition by bevacizumab, a monoclonal anti-vascular endothelial growth factor (VEGF) antibody, on the healing process of colonic anastomoses in rats, assessing some specific involved factors. This new agent is used mainly in metastatic colorectal cancer. The angiogenesis plays an important(More)
Situs inversus totalis is an inherited condition characterized by a mirror-image transposition of thoracic and abdominal organs. It often coexists with other anatomical variations. Transposition of the organs imposes special demands on the diagnostic and surgical skills of the surgeon. We report a case of a 34-year-old female patient presented with left(More)