Key result
In asymptomatic patients with repaired tetralogy of Fallot, pulmonary valve replacement significantly improved physical (49.9 vs 46.5, p=0.012) and mental (51.9 vs 43.7, p<0.001) quality of life.
Why the study?
Does pulmonary valve replacement improve quality of life in asymptomatic patients with repaired tetralogy of Fallot and chronic pulmonary regurgitation?
Cohort (n=25)
Does pulmonary valve replacement improve quality of life in asymptomatic patients with repaired tetralogy of Fallot and chronic pulmonary regurgitation?
Absolute Event Rate: 49.9% vs 46.5%
p-value: p=0.012
Pulmonary valve replacement significantly improves both physical and mental quality of life, as well as right ventricular volumes, in asymptomatic patients with repaired tetralogy of Fallot and chronic pulmonary regurgitation.
PVR may improve QoL scores in asymptomatic repaired TOF; hypothesis-generating and should not yet change practice without controlled trials.
BACKGROUND: Chronic pulmonary regurgitation is common after repair of tetralogy of Fallot. Despite the deleterious effects of chronic pulmonary regurgitation on right ventricular function, many patients with repaired tetralogy of Fallot remain asymptomatic. Health is defined not only by the absence of disease but also by physical, mental, and social wellbeing. We sought to examine the impact of pulmonary valve replacement on quality of life in asymptomatic patients with repaired tetralogy of Fallot and chronic pulmonary regurgitation. METHODS: From January 2009 to December 2012, 25 (18 male) asymptomatic patients (mean age 23.4 ± 7.4 years) who underwent pulmonary valve replacement for significant pulmonary regurgitation were recruited. Cardiac magnetic resonance was performed pre- and postoperatively. Quality of life was assessed using the Chinese version of the SF-36v2 evaluation tool. Demographics, clinical data, magnetic resonance findings, and quality-of-life scores were collected and calculated for comparison. RESULTS: After surgery, the indexed right ventricular end-diastolic volume (193 ± 47.3 vs. 105.6 ± 29.6 mL m(-2), p < 0.001) and indexed right ventricular end-systolic volume (108.5 ± 32.9 vs. 61.1 ± 23 mL m(-2), p < 0.001) decreased significantly. The response rates for pre- and postoperative quality-of-life assessments were 100%. Patients demonstrated improvements in all 8 domains of the SF-36v2 assessment. The physical (46.5 ± 6.6 vs. 49.9 ± 6.4, p = 0.012) and mental (43.7 ± 7.8 vs. 51.9 ± 7.6, p < 0.001) component summary scores increased after surgery. CONCLUSION: Pulmonary valve replacement can improve the quality of life in patients with chronic asymptomatic pulmonary regurgitation.
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Tsang et al. (2015) conducted a cohort in Repaired tetralogy of Fallot with chronic pulmonary regurgitation (n=25). Pulmonary valve replacement vs. Preoperative baseline was evaluated on Physical component summary score of the SF-36v2 (p=0.012). In asymptomatic patients with repaired tetralogy of Fallot, pulmonary valve replacement significantly improved physical (49.9 vs 46.5, p=0.012) and mental (51.9 vs 43.7, p<0.001) quality of life.
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