Hepatopulmonary syndrome (HPS) is a frequent pulmonary complication of patients with end-stage liver diseases. HPS is diagnosed by hypoxemia and pulmonary vascular dilatation and is an independent risk factor of mortality. Orthotopic liver transplantation (OLT) is the only factor that modifies the natural course of HPS. Once patients with HPS have been transplanted, their long-term survival rate is similar to transplanted patients without HPS. Consequently, HPS is an indication of OLT whatever the severity of hypoxemia. However, besides the favorable long-term survival of HPS patients with OLT, a high postoperative mortality (mostly within 6 months) has been suggested. The aim of our study was to analyze the incidence of HPS and postoperative outcome after OLT in 90 consecutive patients. All patients were prospectively included and had blood gas analysis to detect HPS. Patients with hypoxemia had contrast echocardiography to confirm HPS. Nine patients had HPS with a 50 ≤ PaO 2 ≤ 70 mmHg. Among them 3 (33%) died while the mortality rate was 9.2% in the group without HPS (7 over 76 patients). In the HPS patients who survived, the syndrome completely recovered within 6 months. In conclusion, our study shows a high postoperative mortality rate following OLT even though the preoperative PaO 2 was >50 mmHg in all HPS patients transplanted.
To develop a score predicting the morbidity of liver resections in a center with low mortality. Design, Setting, and Patients: The study was based on a prospective database of all liver resections performed at the Geneva University Hospitals between January 1, 1991, and October 30, 2009 (a total of 726 elective liver resections in 689 patients). Perioperative complications and their severity were graded according to the original classification by Clavien et al. Variables independently associated with the occurrence of complications were identified using a linear regression analysis model. A score was computed with all independent variables in an assessment population including two-thirds of the liver resections and was further validated in a population including one-third of the liver resections. Results: Overall mortality was 0.7% (5 of 726 liver resections). We recorded 375 different complications in 259 hepatic resections (36% of resections had Ն1 complication). In the assessment group, resection of 3 or more segments, an American Society of Anesthesiologists score of 3 or higher, and resection for a malignant neoplasm independently predicted the risk of complications. A score integrating these 3 factors significantly predicted the risk of postoperative complications. The score also correlated with the occurrence of major complications. Conclusion: The score allows for identification of patients most susceptible to complications, in whom efforts against specific postoperative morbidities can be concentrated.
Of the many factors that may influence postoperative pain, chronic sleeping difficulties emerge in this population of patients as the strongest determinant of pain at rest. Intraperitoneal surgery and having a relative with a history of pain are the strongest determinants of pain during cough/mobilization. These findings make physiological sense and deserve more attention by anesthesiologists.
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