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Survey Shows Heart Device Aids Men More Than Women
By Barry Meier

 A new review of patients using defibrillators has found that they do not appear to benefit women with congestive heart failure, although some experts cautioned that the finding might reflect shortcomings in the data being studied. For the study, researchers at Providence Hospital Heart Institute and Medical Center in Southfield, Mich., pooled data from five clinical trials of defibrillators. Such devices are intended to detect a chaotic heart rhythm that can cause sudden cardiac death, and then fire an electric jolt to restore normal heart rhythm.

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