Chaudhry et al. suggest that enhanced support in the use of a telephone-based interactive voice-response system for patients recently discharged after worsening heart failure does not improve outcomes. This finding is broadly consistent with previous systematic reviews of telephone support1 and contrasts with the substantial effect observed with home telemonitoring of vital signs in similar populations. The treatment of patients in the control group was excellent, but unrepresentative of usual clinical care and not inferior to the treatment of patients receiving enhanced support.
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Inglis, Sally C.; Clark, Robyn A.; Cleland, John G. F., N Engl J Med, 364(11), 1078-1079; author reply 1079-1080, DOI: 10.1056/NEJMc1100395#SA2
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