| | Author | Year | Sample size | Follow-up time (months) | Peak VO2 (ml/kg/min, mean ± SD) | LVEF (%) | CR protocol (a: duration, b: frequency, c: exercise mode, d: intensity) | Outcome | Adverse events | | Control | CR | Control | CR | Control | CR |
| | Patwala et al. [12] | 2009 | 25 | 25 | 3 | 18.07 ± 3.89 | 20.1 ± 3.84 | 35.0 ± 7.2 | 37.3 ± 5.4 | (a) 12 weeks
(b) 3 sessions/week
(c) aerobic exercise, each session consisted of 10 min of treadmill walking, 10 min of cycling, and 10 min of treadmill walking
(d) moderate to high intensity, 80% of the peak heart rate achieved in the first 4 weeks, 85% in the next 4 weeks, and 90% in the final 4 weeks | Peak VO2, NYHA class, exercise duration, QOL, several other measures of cardiopulmonary fitness, echocardiographic measures | No patients had any adverse events from the exercise training |
| | Belardinelli et al. [13] | 2006 | 10 | 15 | 2 | 15.8 ± 2.1 | 17.9 ± 2.3 | 33 ± 6 | 42 ± 5 | (a) 8 weeks
(b) 3 sessions/week
(c) aerobic exercise, each session consisted of 15 min of stretching exercises, 40 min of cycling, and 5 min of loadless recovery
(d) moderate intensity, 60% of the peak VO2 | Peak VO2, functional capacity, QOL, hospital readmission, echocardiographic measures | No patients had any adverse events from the exercise training |
| | Nobre et al. [14] | 2016 | 16 | 14 | 4 | 19.7 ± 1.2 | 21.6 ± 1.5 | 29 ± 2 | 33 ± 4 | (a) 4 months
(b) 3 sessions/week
(c) aerobic exercise, each session consisted of 5 min of stretching exercises, 40 min of treadmill walking, 10 min of local strengthening exercises, and 5 min of cool down with stretching exercises
(d) moderate intensity, established by heart rate levels that corresponded to the anaerobic threshold up to 10% below the respiratory compensation point obtained in the cardiopulmonary exercise test | Peak VO2, muscle sympathetic nerve activity, exercise duration, echocardiographic measures, forearm blood flow, Ca2+ handling gene expression in vastus lateralis muscle | N/A |
| | Smolis-Bak et al. [15] | 2015 | 26 | 26 | 3-4/12 | 13.4 ± 4.2 | 17.2 ± 3.9 | | | (a) 11 months
(b) initial exercise training in the hospital setting for 3 weeks on average, then at home with telemonitoring for 5 sessions/week
(c) aerobic exercise, active exercises of small and subsequently larger muscle groups of the lower and upper limbs, respiratory exercises, range-of-motion exercises of the shoulder joint on the implantation side
(d) low intensity | Peak VO2, peak VCO2, treadmill test duration, echocardiographic measures, QOL | No significant differences in ICD interventions, mortality, or hospitalization rates between the groups |
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