Tolerability of enalapril initiation by patients with left ventricular dysfunction: results of the medication challenge phase of the Studies of Left Ventricular Dysfunction.
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| Abstract |
Although converting-enzyme inhibitors are useful for the treatment of congestive heart failure (CHF), there are concerns about adverse reactions especially on initiation of therapy. In the Studies of Left Ventricular Dysfunction, enalapril, 2.5 mg twice per day was given on an open-label outpatient basis for 7 days (mean 6.1, range 2 to 7, and median 7) as a prerandomization drug challenge to 7487 patients with left ventricular dysfunction (ejection fraction < or = 0.35). Four hundred forty-four (5.93%) patients reported side effects, including symptoms attributed to hypotension (in 166 patients [2.2%]). The majority (346 [77.9%] of 444 and 129 [77.7%] of 166 with symptoms attributed to hypotension) of patients who reported side effects were willing to participate in the study and to continue receiving enalapril. Thus only 98 (1.3%) of 7487 patients (0.5% because of symptoms attributed to hypotension) were not willing to continue because of side effects. Women and patients of CHF class III or IV were more likely to report side effects. In conclusion, enalapril is well tolerated by patients with left ventricular dysfunction; treatment can be initiated on an outpatient basis in the majority of patients.
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| Authors | J B Kostis, B J Shelton, S Yusuf, M B Weiss, R J Capone, C J Pepine, G Gosselin, F Delahaye, J L Probstfield, L Cahill |
| Journal | American heart journal (Am Heart J) Vol. 128 Issue 2 Pg. 358-64 (Aug 1994) ISSN: 0002-8703 [Print] United States |
| PMID | 8037104 (Publication Type: Clinical Trial, Journal Article, Multicenter Study, Randomized Controlled Trial) |
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