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Background As a consequence of heterogeneous results of relatively small individual trials, the impact of congenital heart defects (CHD) and the effect of disease severity on patient reported outcome measures (PROs) of quality of life (QoL) remains uncertain. We aimed to systematically summarize QoL data in CHD patients using meta-analytic methods. Methods and results We performed a systematic review of the literature focusing on QoL in CHD. The search yielded 234 publications meeting the inclusion criteria, with a median of 88 patients per study (46% females, average age 24years). In total, QoL was reported using PROs in 47,471 CHD-patients. More than 95 different PROs were used to evaluate QoL. The most commonly used tool was the SF36 form (69 publications). Analysis of available quantitative QoL data from SF36 publications (n=4217 CHD patients) showed that QoL was reduced in patients with moderate or complex cardiac disease (e.g. relative physical functioning scores 0.96 [0.93–0.99] and 0.91 [0.88–0.95] compared with controls), while no such effect was evident in those patients with simple cardiac lesions. Similar results were found for the general health domain of the SF36 domain. Conclusions Despite the proliferation of QoL-studies in CHD no standardized approach for measuring and reporting QoL has emerged and the published results are heterogeneous. In aggregation, however, the results of this study suggest that QoL is impaired in moderate or complex CHD, while no such impact of CHD on QoL could be established — on average — in patients with simple defects.

Background Double-chambered right ventricle (DCRV) is a rare form of congenital heart disease. Little is known about the outcome during adult life. Here we report the combined experience of two tertiary Adult Congenital Heart Disease Centres and systematically review the published literature. Results 50 patients (32 female, median age 39years [IQR: 27;53]) with DCRV under follow-up could be identified. A retrospective review of medical records was performed. Almost all patients (96%) had ventricular septal defects as underlying diagnosis. Eight patients remained completely asymptomatic during follow-up and have been managed conservatively thus far. The remaining patients developed symptoms at a median age of 26years. Surgical correction was performed in 33 patients (median age at operation 27years). No residual intraventricular gradient was present at the latest follow-up in 91% of operated patients and functional class improved significantly with only 6 patients remaining in NYHA class 2. There was no early or late operative mortality and no patient required re-operation for DCRV during a median follow-up of 8years. Conclusions Contemporary adult DCRV patients have good survival prospects and low long-term morbidity. Despite occasionally presenting with considerable intraventricular gradients we could not identify any case of sudden death in our unoperated adult sub-population. Although asymptomatic adults may be encountered even with severe obstruction, symptom development is common during adult life. Cardiac surgery in this cohort is inherently low risk and offers good long-term haemodynamic and functional results justifying early intervention in consideration of the progressive nature of this rare congenital lesion.