Experience with 46 patients diagnosed with liver abscesses over a 13-year period was reviewed to ascertain the impact of percutaneous versus surgical drainage. In most of the cases the abscesses were diagnosed by sonography or computed tomography. The most common pathogenetic mechanism was ascending biliary tract infection. Of the 46 total patients, 27 were primarily treated surgically, whereas 19 underwent percutaneous drainage. In the surgical group five (18.5%) patients required reoperation. Percutaneous drainage failed in four patients (21.1%). Multivariate stepwise logistic regression analysis revealed that a high APACHE II score, low hemoglobin level, and high serum bilirubin level were significant predictors of a complicated clinical course. Death was related more closely to the overall condition of the patient, as expressed by a high APACHE II score, and the underlying disease (malignancy) than to the mode of therapy.
The impact of genetic, surgery-related, and clinicopathologic factors on OS and CS3 changed dramatically over time. Specifically, BRAF mutation status dominated prognosis in the first year, whereas positive surgical margins and resected extrahepatic disease determined prognosis thereafter.
Background Gastrointestinal complications following on-pump cardiac surgery are orphan but serious risk factors for postoperative morbidity and mortality. We aimed to assess incidence, perioperative risk factors, treatment modalities and outcomes. Material and methods A university medical center audit comprised 4883 consecutive patients (median age 69 [interquartile range IQR 60–76] years, 33% female, median logistic EuroScore 5 [IQR 3–11]) undergoing all types of cardiac surgery including surgery on the thoracic aorta; patients undergoing repair of congenital heart disease, implantation of assist devices or cardiac transplantation were excluded. Coronary artery disease was the leading indication for on-pump cardiac surgery (60%), patients undergoing cardiac surgery under urgency or emergency setting were included in analysis. We identified a total of 142 patients with gastrointestinal complications. To identify intra- and postoperative predictors for gastrointestinal complications, we applied a 1:1 propensity score matching procedure based on a logistic regression model. Results Overall, 30-day mortality for the entire cohort was 5.4%; the incidence of gastrointestinal complications was 2.9% and median time to complication 8 days (IQR 4–12). Acute pancreatitis (n = 41), paralytic ileus (n = 14) and acute cholecystitis (n = 18) were the leading pathologies. Mesenteric ischemia and gastrointestinal bleeding accounted for 16 vs. 18 cases, respectively. While 72 patients (51%) could be managed conservatively, 27 patients required endoscopic/radiological (19%) or surgical intervention (43/142 patients, 30%); overall 30-day mortality was 12.1% (p<0.001). Propensity score matching identified prolonged skin-to-skin times (p = 0.026; Odds Ratio OR 1.003, 95% Confidence Interval CI 1.000–1.007) and extended on-pump periods (p = 0.010; OR 1.006, 95%CI 1.001–1.011) as significant perioperative risk factors. Comment Prolonged skin-to-skin times and extended on-pump periods are important perioperative risk factors regardless of preoperative risk factors.
Background: Pyogenic liver abscess (PLA) remains a serious disease with a mortality of 6–14%. Methods: Clinical data of 76 patients with PLA were analyzed. Treatment options comprised antibiotics, percutaneous puncture/drainage, endoscopic papillotomy/stenting and/or surgery as indicated. Results: Fifty-eight patients (76%) had single and 18 patients multiple PLA (right lobe: 65%; both lobes: 22%). The most frequent etiologies were: biliary (38%), hematogenous and posttraumatic (11%). Factors associated with the need for surgery included gallbladder empyema, biliary fistulas, malignancy, perforation, multicentricity, vascular complications and foreign bodies (e.g. infected ventriculo-peritoneal shunt, toothpick). Conclusions: Microbiological testing provides important information for treatment monitoring and modification. Complementary assessment of risk factors for a complicated course is crucial for timely identification of patients requiring additional treatment.
The present case series suggests that the incidence of concomitant KRAS/BRAF mutations in surgical cohorts may be higher than previously hypothesized, and associated with more variable survival outcomes than expected.
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