Sex differences in clinical characteristics and prognosis in a broad spectrum of patients with heart failure - Results of the candesartan in heart failure: Assessment of reduction in mortality and morbidity (CHARM) program

被引:203
作者
O'Meara, Eileen
Clayton, Tim
McEntegart, Margaret B.
McMurray, John J. V. [1 ]
Pina, Ileana L.
Granger, Christopher B.
Ostergren, Jan
Michelson, Eric L.
Solomon, Scott D.
Pocock, Stuart
Yusuf, Salim
Swedberg, Karl
Pfeffer, Marc A.
机构
[1] Western Infirm & Associated Hosp, Dept Cardiol, Glasgow G11 6NT, Lanark, Scotland
[2] Montreal Heart Inst, Montreal, PQ H1T 1C8, Canada
[3] London Sch Hyg & Trop Med, London WC1, England
[4] Case Western Reserve Univ, Cleveland, OH 44106 USA
[5] Duke Univ, Ctr Med, Durham, NC 27706 USA
[6] Karolinska Hosp, S-10401 Stockholm, Sweden
[7] AstraZeneca LP, Wilmington, DE USA
[8] Brigham & Womens Hosp, Boston, MA 02115 USA
[9] HGM McMaster Clin, Hamilton, ON, Canada
[10] Sahlgrens Univ Hosp, S-41345 Gothenburg, Sweden
关键词
heart failure; sex; etiology; mortality;
D O I
10.1161/CIRCULATIONAHA.106.673442
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background - We wished to test previous hypotheses that sex- related differences in mortality and morbidity may be due to differences in the cause of heart failure or in left ventricular ejection fraction ( LVEF) by comparing fatal and nonfatal outcomes in women and men with heart failure and a broad spectrum of left ventricular ejection fraction. Methods and Results - We compared outcomes in 2400 women and 5199 men randomized in the Candesartan in Heart failure: Assessment of Reduction in Mortality and morbidity ( CHARM) program using multivariable regression analyses. A total of 1188 women ( 50%) had a low LVEF ( <= 0.40), and 1212 had a preserved LVEF ( > 0.40). Among the men, 3388 ( 65%) had a low LVEF, and 1811 had a preserved LVEF. A total of 1216 women ( 51%) and 3465 men ( 67%) had an ischemic cause of their heart failure. All- cause mortality was 21.5% in women and 25.3% in men ( adjusted hazard ratio [ HR], 0.77; 95% CI, 0.69 to 0.86; P < 0.001). Fewer women ( 30.4%) than men ( 33.3%) experienced cardiovascular death or heart failure hospitalization ( adjusted HR, 0.83; 95% CI, 0.76 to 0.91; P < 0.001). The risks of sudden death ( HR, 0.70; 95% CI, 0.58 to 0.85) and death due to worsening heart failure ( HR, 0.72; 95% CI, 0.58 to 0.89) were reduced to a comparable extent. The adjusted risk of cardiovascular hospitalization was also lower in women ( HR, 0.88; 95% CI, 0.82 to 0.95), mainly because of a reduced risk of heart failure hospitalization ( HR, 0.87; 95% CI, 0.78 to 0.97). Women had a lower risk of death irrespective of cause of heart failure or LVEF. Conclusions - Among patients with heart failure, women have lower risks of most fatal and nonfatal outcomes that are not explained, as previously suggested, by LVEF or origin of the heart failure.
引用
收藏
页码:3111 / 3120
页数:10
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