Prospective evaluation of pulmonary edema
- PMID: 10708162
- DOI: 10.1097/00003246-200002000-00007
Prospective evaluation of pulmonary edema
Abstract
Objectives: To describe the clinical profile and hospital outcome of successive unselected patients with pulmonary edema hospitalized in an internal medicine department.
Design: Prospective, consecutive, unsolicited patients diagnosed with pulmonary edema.
Setting: An internal medicine department in a 900 tertiary care center.
Patients: A total of 150 consecutive unselected patients (90 males, 60 females; median age, 75 yrs).
Results: Ischemic heart disease, hypertension, various valvular lesions and diabetes mellitus were present in 85%, 70%, 53%, and 52% of patients, respectively. Acute myocardial infarction at admission was observed in 15% of patients. The most common precipitating factors associated with the development of pulmonary edema included: high blood pressure (29%), rapid atrial fibrillation (29%,) unstable angina pectoris (25%), infection (18%), and acute myocardial infarction (15%). Twenty-two patients (15%) were mechanically ventilated. Eighteen patients (12%) died while in the hospital, and the cause of death was cardiac pump failure in 82%. The median hospital stay was 10 days. Predictors for increase rate of in-hospital mortality included: diabetes (p<.05), orthopnea (p<.05), echocardiographic finding of moderate-to-severely depressed global left ventricular systolic function (p<.001), acute myocardial infarction during hospital stay (p<.001), hypotension/shock (p<.05), and the need for mechanical ventilation (p<.001).
Conclusions: Most patients with pulmonary edema in the internal medicine department are elderly, having ischemic heart disease, hypertension, diabetes, and a previous history of pulmonary edema. The overall mortality is high (in-hospital, 12%) and the predictors associated with high in-hospital mortality are related to left ventricular myocardial function. The long median hospital stay (10 days) and the need for many cardiovascular drugs, impose a considerable cost in the management and health care of these patients.
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