Table 3. Summary of testing medical treatment for HF of sRV.
| Reference | Design | Population | n | Intervention | Duration | Comparison | Outcome |
|---|---|---|---|---|---|---|---|
| Hechter, 2001 (106) | Observational retrospective | TGA Mustard | 14 | ACE-I | 2 years | Before and after ACE-I | Positive: VO2 max exercise duration, BP at max exercise |
| Negative: exercise capacity and MRI measured EF | |||||||
| Lester, 2001 (107) | RCT/crossover | TGA atrial switch | 7 | Losartan | 8 weeks | Placebo/crossover | Positive: exercise duration, TR, EF, systolic BP, exercise time |
| Negative: no adverse effects | |||||||
| Robinson, 2002 (108) | Prospective cohort study | TGA atrial switch | 9 | Enalapril | 12 months | Before and during ACE-I | Positive: resting HR |
| Negative: exercise performance, cardiac index, VO2 (rest, peak), SVR | |||||||
| Dore, 2005 (109) | Multi-center RCT/double blind/crossover | TGA atrial switch | 29 | Losartan | 15 weeks | Placebo/crossover | Positive: none |
| Negative: exercise capacity, BNP | |||||||
| Josephson, 2006 (110) | Retrospective observational cohort | TGA atrial switch | 8 | Beta-blockers | 36 months | Before and after beta-blockade | Positive: Trend towards improved symptoms, less TR, improved NYHA, improved RV function, exercise capacity |
| Negative: none | |||||||
| Giardini, 2007 (111) | Prospective cohort study | ccTGA or TGA atrial switch | 8 | Carvedilol | 12 months | Before and after beta-blockade | Positive: RV and LV EF (MRI) biventricular remodeling, exercise duration |
| Negative: peak oxygen uptake | |||||||
| Doughan, 2007 (112) | Retrospective cohort study | TGA atrial switch | 60 | Metoprolol Carvedilol | 4 months | Beta-blockade/no treatment | Positive: NYHA after start beta-blockade (within group) |
| Negative: RVEF, RV size, TR | |||||||
| Khairy, 2008 (113) | Multi-center retrospective cohort study | TGA atrial switch | 37 | Beta-blockers | 3 years | Beta-blockade/no treatment | Positive: Lack of betablockers predicts appropriate shocks in patients with AICD |
| Negative: none | |||||||
| Therrien, 2008 (114) | RCT/double-blind/placebo | TGA atrial switch | 17 | Ramipril | 1 year | Placebo | Positive: none |
| Negative: RV function (MRI), RV size (MRI), RV remodeling, exercise capacity, QoL | |||||||
| Bouallal, 2010 (115) | Prospective cohort study | ccTGA or TGA atrial switch | 14 | Bisoprolol Carvedilol | 13 months | Before and after beta-blockade | Positive: NYHA, QoL, RVEF (radionuclide ventriculography) |
| Negative: RVEF and size (MRI) | |||||||
| Tutarel, 2012 (116) | Retrospective observational control | TGA Mustard | 14 | Enalapril | 13 months | Before and after ACE-I | Positive: NT-proBNP |
| Negative: NYHA, exercise capacity | |||||||
| Van Der Bom, 2013 (117) | Multi-center RCT/double blind | ccTGA or TGA atrial switch | 88 | Valsartan | 3 years | Valsartan/Placebo | Positive: RV volumes and mass (MRI), ventricular remodeling |
| Negative: clinical event rate, RV function (MRI), exercise capacity, TR, QoL, neurohormonal activation, clinical outcome | |||||||
| Dos, 2013 (118) | RCT, double blind | TGA atrial switch | 26 | Eplerenone | 12 months | Eplerenone/Placebo | Positive: Trend towards reduction in collagen turnover biomarkers (myocardial fibrosis) |
| Negative: RV mass and function, NT-proBNP | |||||||
| Sohdi (119), 2018 | single-center prospective, randomized, open-label pilot study | TOF or TGA | 17 | Eplerenone | 12 months | 3 months before or after drug-free period | Positive: none |
| Negative: serum levels of PINP, PIIINP or gal-3, 6MWD or QoL | |||||||
| van Dissel (120), 2019 | Multi-center RCT | ccTGA or TGA atrial switch | 88 | Valsartan | 3 years | Valsartan/placebo | Positive: decreased risk of events in symptomatic patients |
| Negative: survival |
6MWD, six-minute walking distance; ACE-I, angiotensin-converting enzyme (ACE)-inhibitors; AICD, automated implantable cardioverter-defibrillator; BP, blood pressure; ccTGA, congenitally corrected TGA; EF, ejection fraction; Gal-3: galectine-3 ; HR, heart rate; LV, left ventricle; MRI, magnetic resonance imaging; NT-proBNP, N-Terminal pro-brain natriuretic peptide; NYHA, New York Heart Association; PINP, procollagen type I N propeptide; PIIINP, Amino-Terminal Propeptide of Type III Procollagen; RCT, randomized controlled trial; RV, right ventricle; SVR, systemic vascular resistance; TGA, transposition of the great arteries; TOF, tetralogy of Fallot; TR, tricuspid regurgitation; QoL, quality of life.