• Marie-Patrice Halle, Alexandre Hertig, Andre Pascal Kengne, Gloria Ashuntantang, Eric Rondeau, and Christophe Ridel.
• Department of Nephrology Intensive Care and Transplantation, Tenon Hospital, Paris, France. patricehalle@yahoo.fr
• Nephrol. Dial. Transplant. 2012 Feb 1;27(2):603-7.

BackgroundAcute pulmonary oedema (APO) in patients undergoing chronic dialysis (CD), a common cause of hospital admission in this population, is poorly documented. The objective of this study was to determine the causes, profile, clinical course and outcomes of APO in CD patients admitted in an intensive care unit (ICU).MethodsMedical charts of all CD patients consecutively admitted for APO in the renal ICU of the Tenon Hospital (Paris, France) between January 2000 and December 2007 were considered. Data collection included patient characteristics, etiologic factors for chronic renal failure and co-morbidities, past history of APO, precipitating factors, clinical evolution and outcomes.ResultsOf the 112 files considered, 102 (65% men) were included in the final analysis. Patients were aged 20-88 years and had been dialysed for a median duration of 2 years. Hypertension (36.3%), chronic glomerulonephritis (25.5%) and diabetes mellitus (17.6%) were the main etiologic factors of chronic renal failure; 38.2% had a past history of APO. Acute pulmonary infection (26%), excessive interdialytic weight gain (25%) and inappropriate dry weight prescription (23%) were the leading causes of APO. The duration of hospitalization was <4 days in 60% of participants. Nine deaths (four being of cardiac origin) were recorded. Being referred from another hospital service was the main predictor of death.ConclusionsAPO fuelled in part by chest infection, excessive interdialytic weight gain and inappropriate dry weight are important causes of hospitalization in CD patients. Mortality is high among those referred from other services usually in critical conditions.

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