Drug-Eluting Balloons for Pediatric Pulmonary Stenosis 10/20/25

Welcome to Cardiology Today – Recorded October 20, 2025. This episode summarizes 5 key cardiology studies on topics like long-term outcomes and atrial secondary tricuspid regurgitation. Key takeaway: Drug-Eluting Balloons for Pediatric Pulmonary Stenosis. Article Links: Article 1: Natural History of Atrial versus Ventricular Secondary Tricuspid Regurgitation: Insights from the Bronx-Valve Registry. (The American journal of cardiology) Article 2: Worsening Heart Failure Events in Adults with Mild-to-Moderate Chronic Kidney Disease. (American heart journal) Article 3: Neurological Development in Very Low Birth Weight Infants with Congenital Heart Disease at 3 Years of Age: A Japanese Multicenter Study. (Pediatric cardiology) Article 4: Drug-Eluting Balloons Versus Conventional Balloon Angioplasty for Peripheral Pulmonary Artery Stenosis in Childhood. (Pediatric cardiology) Article 5: Association Between G6PD Deficiency and Congenital Heart Disease Incidence and Hospital Outcomes. (Pediatric cardiology) Full episode page: https://podcast.explainheart.com/podcast/drug-eluting-balloons-for-pediatric-pulmonary-stenosis-10-20-25/ Featured Articles Article 1: Natural History of Atrial versus Ventricular Secondary Tricuspid Regurgitation: Insights from the Bronx-Valve Registry. Journal: The American journal of cardiology PubMed Link: https://pubmed.ncbi.nlm.nih.gov/41110815 Summary: This study characterized the distinct features and long-term outcomes of severe atrial secondary tricuspid regurgitation (A-S.T.R.) and ventricular secondary tricuspid regurgitation (V-S.T.R.). Researchers identified adults with severe secondary tricuspid regurgitation within a quaternary-care health system and classified them based on left-sided cardiac conditions. By assessing these unique etiologies, the study helps delineate the natural history of tricuspid regurgitation, providing crucial information for understanding its progression. This distinction is vital for guiding future management and therapeutic strategies tailored to the specific pathophysiology of A-S.T.R. versus V-S.T.R. Article 2: Worsening Heart Failure Events in Adults with Mild-to-Moderate Chronic Kidney Disease. Journal: American heart journal PubMed Link: https://pubmed.ncbi.nlm.nih.gov/41110741 Summary: This study aimed to quantify the burden of worsening heart failure (W.HeF.) events among adults with mild-to-moderate chronic kidney disease (C.K.D.). Researchers identified a contemporary cohort of adults with C.K.D., defined by specific estimated glomerular filtration rate (e.G.F.R.) and albuminuria criteria, within a large integrated healthcare system. The investigation documented outcomes including hospitalization for heart failure, which sheds light on the significant clinical impact of worsening heart failure in this vulnerable patient population. Understanding this burden underscores the need for proactive management strategies to mitigate adverse cardiovascular events in individuals with co-existing mild-to-moderate C.K.D. Article 3: Neurological Development in Very Low Birth Weight Infants with Congenital Heart Disease at 3 Years of Age: A Japanese Multicenter Study. Journal: Pediatric cardiology PubMed Link: https://pubmed.ncbi.nlm.nih.gov/41109872 Summary: This multicenter cohort study investigated neurodevelopmental outcomes and identified risk factors for impairment in very low birth weight (V.L.B.W.) infants with congenital heart disease (C.H.D.). Researchers assessed neurodevelopment at three years of age in V.L.B.W. infants born without known genetic anomalies. The study successfully established the prevalence of neurodevelopmental impairment and elucidated associated risk factors within this highly vulnerable population. These findings are crucial for developing targeted early intervention programs and improving long-term neurological outcomes for V.L.B.W. infants with C.H.D. Article 4: Drug-Eluting Balloons Versus Conventional Balloon Angioplasty for Peripheral Pulmonary Artery Stenosis in Childhood. Journal: Pediatric cardiology PubMed Link: https://pubmed.ncbi.nlm.nih.gov/41109871 Summary: This study evaluated the efficacy of drug-eluting balloon angioplasty (D.E.B.A.) compared to conventional balloon angioplasty (C.B.A.) for treating peripheral pulmonary artery stenoses (P.A.S.) in children. A retrospective qualitative analysis was performed on individual stenoses in pediatric patients. The research aimed to determine if drug-eluting balloons offer a superior or comparable therapeutic option for this common congenital heart defect complication. This comparison provides important clinical data to guide interventional cardiologists in selecting optimal treatment strategies for pediatric P.A.S. Article 5: Association Between G6PD Deficiency and Congenital Heart Disease Incidence and Hospital Outcomes. Journal: Pediatric cardiology PubMed Link: https://pubmed.ncbi.nlm.nih.gov/41109870 Summary: This study explored a potential association between G6P.D. deficiency and the incidence of congenital heart disease (C.H.D.), as well as hospital outcomes for affected individuals. The researchers hypothesized a higher C.H.D. incidence and worse hospital outcomes in individuals with G6P.D. deficiency, possibly due to increased oxidative stress. By investigating this hypothesized link, the study aims to establish whether G6P.D. deficiency is an unrecognized risk factor for C.H.D. and influences patient prognosis. Understanding this relationship could inform screening practices and improve risk stratification for children with congenital heart conditions. Transcript Today’s date is October 20, 2025. Welcome to Cardiology Today. Here are the latest research findings. Article number one. Natural History of Atrial versus Ventricular Secondary Tricuspid Regurgitation: Insights from the Bronx-Valve Registry. This study characterized the distinct features and long-term outcomes of severe atrial secondary tricuspid regurgitation (A-S.T.R.) and ventricular secondary tricuspid regurgitation (V-S.T.R.). Researchers identified adults with severe secondary tricuspid regurgitation within a quaternary-care health system and classified them based on left-sided cardiac conditions. By assessing these unique etiologies, the study helps delineate the natural history of tricuspid regurgitation, providing crucial information for understanding its progression. This distinction is vital for guiding future management and therapeutic strategies tailored to the specific pathophysiology of A-S.T.R. versus V-S.T.R. Article number two. Worsening Heart Failure Events in Adults with Mild-to-Moderate Chronic Kidney Disease. This study aimed to quantify the burden of worsening heart failure (W.HeF.) events among adults with mild-to-moderate chronic kidney disease (C.K.D.). Researchers identified a contemporary cohort of adults with C.K.D., defined by specific estimated glomerular filtration rate (e.G.F.R.) and albuminuria criteria, within a large integrated healthcare system. The investigation documented outcomes including hospitalization for heart failure, which sheds light on the significant clinical impact of worsening heart failure in this vulnerable patient population. Understanding this burden underscores the need for proactive management strategies to mitigate adverse cardiovascular events in individuals with co-existing mild-to-moderate C.K.D. Article number three. Neurological Development in Very Low Birth Weight Infants with Congenital Heart Disease at 3 Years of Age: A Japanese Multicenter Study. This multicenter cohort study investigated neurodevelopmental outcomes and identified risk factors for impairment in very low birth weight (V.L.B.W.) infants with congenital heart disease (C.H.D.). Researchers assessed neurodevelopment at three years of age in V.L.B.W. infants born without known genetic anomalies. The study successfully established the prevalence of neurodevelopmental impairment and elucidated associated risk factors within this highly vulnerable population. These findings are crucial for developing targeted early intervention programs and improving long-term neurological outcomes for V.L.B.W. infants with C.H.D. Article number four. Drug-Eluting Balloons Versus Conventional Balloon Angioplasty for Peripheral Pulmonary Artery Stenosis in Childhood. This study evaluated the efficacy of drug-eluting balloon angioplasty (D.E.B.A.) compared to conventional balloon angioplasty (C.B.A.) for treating peripheral pulmonary artery stenoses (P.A.S.) in children. A retrospective qualitative analysis was performed on individual stenoses in pediatric patients. The research aimed to determine if drug-eluting balloons offer a superior or comparable therapeutic option for this common congenital heart defect complication. This comparison provides important clinical data to guide interventional cardiologists in selecting optimal treatment strategies for pediatric P.A.S. Article number five. Association Between G6PD Deficiency and Congenital Heart Disease Incidence and Hospital Outcomes. This study explored a potential association between G6P.D. deficiency and the incidence of congenital heart disease (C.H.D.), as well as hospital outcomes for affected individuals. The researchers hypothesized a higher C.H.D. incidence and worse hospital outcomes in individuals with G6P.D. deficiency, possibly due to increased oxidative stress. By investigating this hypothesized link, the study aims to establish whether G6P.D. deficiency is an unrecognized risk factor for C.H.D. and influences patient prognosis. Understanding this relationship could inform screening practices and improve risk stratification for children with congenital heart conditions. Thank you for listening. Don’t forget to subscribe. Keywords long-term outcomes, atrial secondary tricuspid regurgitation, tricuspid regurgitation, congenital heart disease, hospital outcomes, oxidative stress, drug-eluting balloons, pediatric cardiology, G6P.D. deficiency, neurodevelopmental impairment, chronic kidney disease, very low birth weight, ventricular secondary tricuspid regurgitation, hemolytic anemia, conventional balloon angioplasty, heart failure, risk factors, peripheral pulmonary artery stenosis, estimated glomerular filtration rate, hospitalization, valve registry, worsening heart failure, efficacy. 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