[Metabolic changes in rats subjected to massive intestinal resection or jejunoileal bypass].
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Biomedical subjects
Publications and source records attributed to S Rasslan.
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The emergency department thoracotomy as a ressuscitative measure is a controversial subject in trauma surgery. Indiscriminate indication has occurred due to unclearness upon the real value of this procedure, but further critical evaluation has reduced initial enthusiasm rather emphasizing a more rational approach by systematization of criteria for selective indication. Clinical outcome is related to injury mechanism and patients conditions upon admission. According to vital signs the patients conditions are classified as fatal, agonic and shock; survival rates oscillate between 0 to 40%. This study presents a review of the literature discussing indications, technical aspects, complications and clinical outcome of emergency department thoracotomy in trauma patients.
The authors analysed 36 trauma patients with inferior vena cava injuries to evaluate different surgical approaches, as well as, important aspects related to morbidity and mortality. Gunshot wounds were the most frequent cause of inferior vena cava injuries and 55% of the patients had circulatory instability on admission. Retrohepatic inferior vena cava was frequently injured in association with liver injury. From those 20 unstable patients on admission, there were 17 deaths, and injury was in the retrohepatic portion of the inferior vena cava in 9, and in the supradiaphragmatic portion in 3. These data support the concept that site of injury and hemodynamic status on admission are the principal factors related to morbidity and mortality in inferior vena cava injuries.
In recent years, many case reports concerning esophageal injuries caused by drugs have been published. The primary cause has apparently been the delay in passage and the adherence of the caustic drugs on the esophageal mucosa. The authors report a case of esophageal ulceration caused by an analgesic in a 26-year-old male with no esophageal symptoms. A review of the literature shows that a variety of medications have been implicated; size, shape and improper ingestion of pills affect esophageal transit.
An analysis of the factors related to the morbidity and mortality of 64 patients sustaining abdominal trauma requiring intensive care during the postoperative period, and an evaluation of the unexpected deaths based on trauma indices was carried out to identify factors that could have contributed to the observed outcome. Head and chest injuries occurred in approximately 40% of all patients. Pneumonia was the most common complication. ISS (p = 0.03), but not TS was statistically significant as predictor of outcome. Probability of survival (TRISS) was 62.4 +/- 4.2%, while observed overall survival rate was 54.7%. Multivariate analysis identified age greater than 45 years (p = 0.02; RR = 2.5) and ISS greater than 20 (p = 0.03; RR = 4.0) as the most predictive factors for systemic complications. Mortality was directly influenced by age greater than 45 years (p = 0.05; RR = 2.4) and by the presence of a systemic complication (p = 0.003; RR = 5.5). Eleven patients were classified as "unexpected death"; 5 were considered preventable, 3 non preventable, 1 potentially preventable, and 2 cases had incomplete data and could not be classified. Changes in the care of the severely injured due to a review of complications and deaths may ultimately lead to a reduction in errors and a better quality of care.