Precipitating factors leading to decompensation of heart failure. Traits among urban blacks

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Abstract
Potential precipitating factors that led to cardiac decompensation and subsequent hospital admission for heart failure were examined in 101 patients in a large public hospital serving a predominantly working-class minority population. Ninety-seven percent of patients were black; their age was 59 .+-. 14 years (mean .+-. SD); on average they were hospitalized three times in the preceding year for problems related to their heart failure. Potential precipitating factors for decompensated heart failure were identified in 93% of patients. Lack of adherence to the prescribed medical regimen was the most commonly identified causative factor and was noted in 64% of the cases; noncompliance with diet amounted to 22%, with drugs to 6%, and with the combination of drugs and diet to 37%. Other factors also related to hospitalization were cardiac arrhythmias (29%), emotional/environmental issues (26%), inadequately conceived drug therapy (17%), pulmonary infections (12%), and thyrotoxicosis (1%). Thus the key preventive measure necessary in at least two thirds of patients centered around better adherence to drug and/or diet regimen, highlighting the precept that better patient education is mandatory if we are to minimize the number of hospital admissions for decompensated heart failure.