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ORIGINAL ARTICLE
Year : 2019  |  Volume : 8  |  Issue : 1  |  Page : 1-5

Evaluation of the effect of heart failure reversal therapy on the exercise capacity in patients with chronic heart failure and their association with comorbidities


1 Founder and Head, Department of Research and Development, Madhavbaug Hospital, Khopoli, Maharashtra, India
2 Chief Medical Officer, Clinical Operations, Madhavbaug Hospital, Khopoli, Maharashtra, India
3 Medical Head, Madhavbaug Hospital, Khopoli, Maharashtra, India
4 Senior Research Associate, Madhavbaug Hospital, Khopoli, Maharashtra, India

Correspondence Address:
Dr. Rahul Mandole
Department of Research and Development, Madhavbaug Hospital, Khopoli, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/rcm.rcm_8_19

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Background: New treatment modalities are needed to improve the aerobic capacity of patients with chronic heart failure (CHF) considering the increasing disease prevalence. This study was done to evaluate the effect of heart failure reversal therapy (HFRT) on exercise indices, namely VO2 max and metabolic equivalents (METs). Methodology: This retrospective study screened data of 147 patients who had visited Madhavbaug Clinics between July 2018 and December 2018. The mean VO2 max and METs on day 30 of HFRT initiation was compared with that at baseline. Regression analysis was used to calculate the odds for increase in VO2 max and METs by HFRT, in specific comorbidity. Results: Of the 64 patients who fit the study criteria, majority were males (n = 51) with mean age of 57.89 ± 8.14 years. The most common comorbidity was hypertension (n = 45) followed by diabetes mellitus (n = 36) and coronary artery disease (n = 27). Mean VO2 max and METs increased significantly at day 30 of HFRT initiation compared to the mean values on day 1 (P < 0.05). Odds for elevation in VO2 max and METs were maximum in patients with myocardial infarction (MI) (VO2 max: odds ratio [OR] = 4.95; confidence interval [CI] = 0.26–91.5. METs: OR = 3.46; CI = 0.18–65.54), ischemic heart disease (IHD) (VO2 max: OR = 2.85; CI = 0.32–24.7. METs: OR = 1.67; CI = 0.18–15.29), or obesity (VO2 max: OR = 2.57; CI = 0.29–22.4. METs: OR = 1.5; CI = 0.16–13.78). All odds were statistically insignificant (P > 0.05). Conclusion: HFRT leads to significant increase in the VO2 max and METs in CHF patients, indicating improved aerobic capacity. Odds for increased exercise indices with HFRT were maximum in CHF patients suffering from MI, IHD, and obesity.


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