 This systematic review aims to study the effect of telemonetering programs on health care utilization and costs in patients with chronic heart failure. The results show that most telemonetering programs do not show clear effects on health care utilization measures, except for an increase in non-emergency outpatient department visits. This may be an unwarranted side effect rather than a prerequisite for effective telemonetering. The consequences of telemonetering on non-emergency outpatient visits should receive more attention from regulators, payers, and providers. This article was authored by Stefan L. Honor, Toyne E. P. Reimers, Simone A. Van Duhlman, and others.