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Objectives: To determine guideline adherence pertaining to pulmonary valve replacement (PVR) referral after tetralogy of Fallot (TOF) repair. Methods: Children and adults with cardiovascular magnetic resonance imaging scans and at least moderate pulmonary regurgitation were prospectively enrolled in the Comprehensive Outcomes Registry Late After TOF Repair (CORRELATE). Individuals with previous PVR were excluded. Patients were classified according to presence (+) versus absence (−) of PVR and presence (+) versus absence (−) of contemporaneous guideline satisfaction. A validated score (specific activity scale [SAS]) classified adult symptom status. Results: In total, 498 participants (57% male, mean age 32 ± 14 years) were enrolled from 14 Canadian centers (2013-2020). Mean follow-up was 3.8 ± 1.8 years. Guideline criteria for PVR were satisfied for the majority (n = 422/498, 85%), although referral for PVR occurred only in a minority (n = 167/498, 34%). At PVR referral, most were asymptomatic (75% in SAS class 1). One participant (0.6%) received PVR without meeting criteria (PVR+/indication–). The remainder (n = 75/498, 15%) did not meet criteria for and did not receive PVR (PVR–/indication–). Abnormal cardiovascular imaging was the most commonly cited indication for PVR (n = 61/123, 50%). The SAS class and ratio of right to left end-diastolic volumes were independent predictors of PVR in a multivariable analysis (hazard ratio, 3.33; 95% confidence interval, 1.92-5.8, P

Children frequently present with symptoms of palpitations. These symptoms can occur in isolation or in association with other presentations such as chest pain, presyncope, or syncope. Usually, their symptoms are episodic in occurrence; therefore, establishment of symptom-rhythm correlation is challenging but critical for accurate diagnosis and management. We reviewed the use of smartphone-based wireless electrocardiogram monitoring with AliveCor Kardia, to establish symptom-rhythm correlation in a paediatric case series at a single Canadian tertiary care centre. Résumé: Les enfants présentent fréquemment des symptômes de palpitations. Ces symptômes peuvent se produire isolément ou en association avec d’autres manifestations comme la douleur thoracique, la présyncope ou la syncope. Habituellement, les symptômes sont épisodiques, d’où la difficulté d’établir une corrélation entre les symptômes et le rythme cardiaque, un exercice pourtant essentiel pour poser un diagnostic précis et assurer la prise en charge du patient. Nous avons passé en revue les données relatives à la surveillance électrocardiographique sans fil effectuée au moyen d’un téléphone intelligent via la technologie Kardia d’AliveCor afin d’établir une telle corrélation dans une série de cas pédiatriques issue d’un même centre de soins tertiaires canadien.