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PubMedDate not supplied

[Diagnostic efficiency in acute appendicitis].

Diagnostic efficiency and the means to achieve it constitute one of the main parameters that evaluates quality of hospital care within an institution. In addition, concerning surgery acute appendicitis is without doubt the most frequent pathology we face at our service. Therefore, we conceived of a way to determine degree of concordance and other parameters of diagnostic efficiency for this disease. This is an analytic, longitudinal study that took into account the cases of acute appendicitis out of the most frequent pathologies of surgical acute abdomen (acute appendicitis, perforated peptic ulcer, intestinal occlusion, and acute cholecystitis) from April 1 to June 17, 2002 for a total of two hundred cases. To establish correlation, main symptoms and signs upon admission were recorded, as well as presumptive, operatory, histopathologic, and laparoscopic diagnoses in cases in which such procedures were performed. Other aspects were also considered as efficiency parameters, namely Kappa correlation index, sensitivity, specificity, positive and negative predictive values, and positive and negative verisimilitude reasons. Clinical-surgical correlation found was very good, with Kappa value of 0.92. Clinical-pathological concordance was good also, with Kappa value of 0.71. The same can be said concerning the surgical-anatomopathologic case, with a value of 0.79. Regarding laparoscopy, both clinical-laparoscopic and surgical-laparoscopic concordances were poor, with Kappa value of 0.15. Also, concordance between laparoscopic and anatomopathologic diagnoses was weak, with a value of 0.25. Diagnostic efficiency in acute appendicitis was good, contrary to laparoscopic efficiency as diagnostic evidence.

Acute Disease↗
PubMed2003

Determinants of gastrointestinal complications in cardiac surgery.

We designed this study to define determinants of gastrointestinal complications after cardiac surgery. From January 1992 through December 2000, 11,058 patients underwent cardiac surgery on cardiopulmonary bypass at our institution. Data were prospectively collected and univariate and multivariate analyses conducted. A total of 147 gastrointestinal complications occurred in 129 patients (129/11,058; 1.2%) including gastroesophagitis (18, 12.2%), upper gastrointestinal hemorrhage (42, 28.6%), perforated peptic ulcer (7, 4.7%), cholecystitis (10, 6.8%), pancreatitis (13, 8.8%), intestinal ischemia (17, 11.5%), colitis (18, 12.2%), diverticulitis (5, 3.4%), intestinal occlusion (2, 1.1%), lower gastrointestinal hemorrhage (1, 0.7%), and mixed gastrointestinal complications (14, 9.5%). Patients with gastrointestinal complications were significantly older and had significantly higher comorbidity (unstable angina, chronic renal failure, and peripheral vascular disease), morbidity (prolonged mechanical ventilation, intraaortic balloon pumping, bleeding, acute renal failure, stroke, and infection), and mortality rates (22.5% vs 4%, P < 0.0001). They also had longer cardiopulmonary bypass times and higher valvular surgery rates. Multivariate analysis identified 6 independent predictors for gastrointestinal complications: prolonged mechanical ventilation (odds ratio [OR], 5.5), postoperative renal failure (OR, 4.2), sepsis (OR, 3.6), valve surgery (OR, 3.2), preoperative chronic renal failure (OR, 2.7), and sternal infection (OR, 2.4). Factors such as mechanical ventilation, renal failure, and sepsis are the stronger predictors for GI complications, causing splanchnic hypoperfusion, hypomotility, and hypoxia. Furthermore, excessive anticoagulation after valve replacement may lead to GI hemorrhage. Valve surgery, often requiring anticoagulation, increases bleeding. Monitoring mechanical ventilation and hemodynamic parameters, adopting early extubation and mobilization measures, preventing infections, and strictly monitoring renal function and anticoagulation may prevent catastrophic abdominal complications.

Aged↗
PubMed2004

[Treatment of oncogenic emergencies in esophageal disease].

Common oncogenic emergent conditions of the esophagus are esophageal fistula with malignancy and peptic ulcer, perforation by a foreign body, and rupture (Boerhaave's syndrome) and bleeding with malignancy. The current standard of palliative therapy for patients with malignant tracheoesophageal fistula is endoscopic replacement using covered self-expandable metallic stents in the esophagus and/or trachea. We successfully treated two patients with esophageal bleeding caused by malignant ulceration. To prevent the formation of an aortoesophageal fistula, a covered self-expandable metallic stent was inserted into the esophagus and aorta. Insertion of covered self-expandable metallic stents in patients with esophageal malignancies significantly improves dysphagia, seals fistulas/perforations and ulcerations, and is associated with acceptable morbidity and mortality rates. Spontaneous esophageal rupture, also known as Boerhaave's syndrome, is a rare condition. Primary repair is appropriate for ruptures diagnosed early. Many are diagnosed late and T-tube drainage may be the simplest way to manage this difficult condition in this situation.

Aged↗
PubMed1992

CAPD peritonitis--initial presentation as an acute abdomen with a clear peritoneal effluent.

Accepted criteria for the diagnosis of peritonitis in CAPD include: 1. symptoms and signs of peritoneal irritation; 2. a cloudy effluent with white blood cell (WBC) count greater than 100/microliters and; 3. a positive culture. In fact, the earliest suggestive sign of peritonitis is a turbid effluent. However, symptomatology of peritoneal irritation may precede the development of a cloudy fluid. We hereby report on two CAPD patients with culture proven peritonitis whose initial presentation was that of an acute abdomen. Although diffuse rebound tenderness was elicited the initial effluent, after an overnight dwell, was clear with a WBC count of 80 and 70/microliters, respectively. Working diagnoses on admission included a ruptured cyst and a perforated peptic ulcer. Both patients were in line for a laparotomy. After a period of 7 and 12 hours, respectively the ensuing effluents turned turbid with WBC counts of 6,400 and 2,500/microliters. Cultures eventually grew Staphylococcus aureus and Streptococcus viridans. Appropriate antibiotic treatment resulted in full recovery.

Abdomen, Acute↗
PubMedDate not supplied

Gastrointestinal surgical emergencies in patients treated for hemathological malignancies.

BACKGROUND: Upper and lower gastrointestinal symptoms are major and serious complications in patients who undergo chemotherapy for hematological malignancies. Their most frequent causes are acute intestinal graft-versus-host disease (GVHD) after bone marrow transplant, infections, toxicity or preexisting gastrointestinal diseases. Mortality can reach 30-60% of cases. PATIENTS AND METHODS: We report 15 cases operated on for abdominal emergencies: 3 severe gastrointestinal bleeding and 12 acute abdomen. RESULTS: We performed 10 bowel resections, one cholecystectomy, one splenectomy, two laparotomy with pancreatic debridement and peritoneal lavage, and one suture of perforated peptic ulcer. Operative mortality was 33.3% (5/15). Deaths have been reported only in the group of patients with acute abdomen. In all cases death was correlated to generalized sepsis related to immunosuppression. CONCLUSIONS: We believe that an aggressive approach, consisting of close monitoring and early laparotomy combined with vigorous supportive therapy, should be used when dealing with suspected gastrointestinal complications in patients with hematological malignancies.

Adolescent↗
PubMedDate not supplied

[Ogilvie syndrome in 2 cases of pseudo-pseudo-obstruction of the colon].

Ogilvie's syndrome is defined as a pseudo-obstruction of the colon of unknown cause. A review of recent literature shows a proliferation of reports of such cases associated to multiple conditions. The authors present two cases of perforated peptic ulcers with peritonitis that mimicked Ogilvie's syndrome in the clinical, radiological, and colonoscopic presentations. They propose that pseudo-obstruction cases obviously caused by adynamic ileus be excluded from the Ogilvie's syndrome classification, for a better understanding of its pathogenesis.

Aged↗
PubMed1989

[Characteristics of the course of peritonitis in relation to the degree of perforation of the gastrointestinal tract].

An examination and treatment of 80 patients with general forms of peritonitis has shown that the course of the disease is greatly dependent on the character of the bacterial dissemination of the abdominal cavity. A microbiological examination has shown that in all the levels of perforation of the gastro-intestinal tract there are associations of various microorganisms. The most severe course of peritonitis is observed when caused by infection by colonic contents with prevailing anaerobic ++non-clostridial microflora in the exudate. The method of repeated revisions of the abdominal cavity should be used for these forms of peritonitis.

Abscess↗