Pediheart: Pediatric Cardiology Today

This week we sit down and speak with noted non-invasive imaging expert Dr. Kelly Han of U. Utah about a recent work she co-authored on recommendations for the development of a congenital heart CCT program. What are the absolute essentials when considering offering these services in a center? How do different scanners differ from one another and how important is it to have single vs. dual source CT? Can good work be performed on 'older' machines? Who are the most important team members for a congenital CT team? Dr. Han shares her thoughts as well as the ideas of many of the thought leaders who co-authored this important statement paper. DOI: 10.1016/j.jcct.2025.01.003

This week we listen in to a recent presentation by congenital heart nursing pioneer Ms. Gwen Fosse BSN MSA RN FAHA. Ms. Fosse is a pediatric cardiovascular nursing specialist at Mott Children's Hospital at U. Michigan and has literally done and seen it all over the past 50 years in congenital heart nursing. In this presentation from the CHOP Cardiology 2026 meeting Ms. Fosse shares with us her impressions from a career that spans multiple decades and advances in the field. This presentation was the 26th Annual Thomas Garrett Rauch Memorial Lecture in Nursing at this esteemed conference. 

This week we speak with Professor James Cnota of Cincinnati Children's Hospital about a recent report he co-authored from the SVR trial regarding the impact of tricuspid regurgitation (TR) on outcomes in hypoplastic left heart syndrome (HLHS). How common is TR seen in the HLHS patient and how does this change over time after surgical palliations? Is there an optimal time to intervene on the tricuspid valve in this patient group? What does the future hold for tricuspid surgical interventions? Dr. Cnota has the answers this week. doi: 10.1007/s00246-025-04122-x

This week we listen in to a wonderful presentation that was delivered at the CHOP 2026 annual conference which was held in Phoenix, AZ. In this week's lecture we hear Dr. Gail Pearson of the NHLBI and NIH deliver her thoughts about the future of congenital heart research. Where does this master of research believe the next discoveries are going to arise from? What are the lessons we have learned from the PHN research endeavors over the past 25 years? Dr. Pearson offers her thoughts in this wonderful presentation which was the 24th Annual William J. Rashking Memorial Lecture at this conference. This presentation was delivered on 2.28.26.

This week we speak with Dr. John Brown who is the Harris B. Schumacker Professor Emeritus of Surgery at the University of Indiana. A congenital heart surgeon for over 45 years, Dr. Brown has performed more than 15,000 pediatric heart operations at Riley Hospital for Children and another 5000 heart operations in adults at IU and Methodist Hospitals. He performed the first pediatric heart transplant in Indiana and developed the first clinical use of the bovine jugular vein and valve for a pulmonary valve replacment in children. He also performed the only known twin to twin newborn heart transplant in the world. He has done and seen it all and has a unique perspective. How did he achieve so much and still have a succesful 56 year marriage to his wife Carol Ann? What is Dr. Brown most proud of in a career that is as prolific as his? What advice would he have have for the next generation? Prepare to be inspired by this master surgeon and friend and colleague of many in our field.

This week we review a fascinating very long-term surgical follow-up study from the team at Royal Children's Hospital in Melbourne reviewing over 30 year follow-up following the arterial switch operation for the treatment of transposition of the great vessels. What percentage of patients need reintervention by 30 years post neonatal repair? What anatomical sub-types are more likely to be associated with a need for reintervention and why? When intervention is required for neo-aortic or aortic root problems, can these usually be repaired or do they require replacement? Professor Igor Konstantinov from Melbourne shares his deep insights into this complex patient group. DOI: 10.1016/j.jtcvs.2025.09.008

Why are compassion, kindness and humility critical to the care of patients in 2026? How can practitioners be taught these approaches and how does this 'triple gift' not only improve patient care but also professional interactions? Can this be taught? If so, what are the best ways? Professor Colin McMahon of Children's Health Ireland at Crumlin shares his deep insights into this important and oft-neglected aspect of being a caregiver. DOI: 10.1007/s00246-026-04161-yFollowing today's interview we also briefly speak with Professor Jack Rychik of Children's Hospital of Philadelphia about the upcoming CHOP 2026 meeting entitled "Cardiology 2026 - Together!". For those interested in possibly attending this meeting which begins on 2.28.26, take a look at the website below for more information:https://www.chop.edu/events/cardiology-2026

This week we replay an episode from nearly 2 years ago about an editorial commentary from multiple congenital heart surgical leaders in the US. The topic of their expert opinion piece is the concept of public reporting of results and their 'amplification' through organizations such as US News and World Report, to name one. How has the use of the database from STS been sometimes misinterpreted through public reporting or ranking systems? What was the initial intent of the STS database and how does the present usage of these data differ from the initial intent? Do STS risk adjustment models capture all aspects of risk for patients undergoing surgery and how do deficiencies in this result in unfair 'rankings' of programs? Can we 'take control' of our data and interpret it more clearly and accurately for the public and reduce misusage or misinterpretation of the data? How can public reporting result in improved outcomes? How can 'gaming' of the system be reduced? Dr. Emile Bacha, Professor of Surgery at Columbia

This week we review a recent work on fetal atrial septal interventions in the patient with hypoplastic left ventricle or double outlet right ventricle with mitral valve atresia/dysplasia and a restrictive or intact atrial septum. How often was this procedure technically feasible and successful? What are the criteria to be considered for such an intervention? Why does use of a laser improve the crossing of the atrial septum in this procedure? Should prenatal intervention be used instead of postnatal intervention in this setting? Associate Professor of Pediatrics at Baylor College of Medicine, Dr. Betul Yilmaz shares her insights into this fascinating topic.https://doi.org/10.1161/CIRCINTERVENTIONS.125.015209

This week we replay an important episode from 2 years ago in which we delved into the world of antibiotic prophylaxis for dental procedures. What are the data to support its use in the congenital heart patient? Why has this been such a difficult topic to study? What do we now know about this topic and what still remains unanswered? Given the low prevalence but dire consequences of this disease, how can investigators consider studying this topic in the future? Is there adequate equipoise to proceed with a randomized controlled trial? We speak with Advanced Imaging Fellow at Boston Children's Hospital, Dr. Francesca Sperotto of Harvard University about her recent multicenter meta-analysis of 30 studies including over one million cases of endocarditis. DOI: 10.1001/jamacardio.2024.0873

This week we review a follow-up work from the team at USC and Children's LA led by Dr. Yaniv Bar-Cohen on a novel micropacemaker. How has the device changed and improved over the past 3-5 years since his last visit to Pediheart? What are some of the difficulties of designing a device that is both stable on the epicardium but not inclined to develop inflammation? Why did the team move from a screw in eletrode model to a different design? What applications could this device have both for infants but also adults? Dr. Bar-Cohen shares his deep knowledge of both electrophysiology and device design this week.DOI: 10.1016/j.hrthm.2025.01.036For those interested in stepping back in time to hear Dr. Bar-Cohen's first description of an earlier version of this novel pacemaker, here is the link from 2018:https://podcasts.apple.com/us/podcast/pediheart-podcast-26-novel-means-of-epicardial/id1341472214?i=1000498801107

This week we review a recent large scale PHIS database study on pericardial effusion following congenital heart surgery. Which operations other than ASD are most highly associated with the development of an effusion? What might be some approaches both surgically and medically to reduce the chances of these developing or requiring intervention? What are the implications of a pericardial effusion after surgery? How many require readmission for this complication? Dr. Mario O'Connor, who is a congenital heart surgical research fellow at UT Austin, shares his insights into his recent publication. DOI: 10.1177/21501351251322876

This week we review a recent report on LV strain following the Ross operation. Can this sort of functional analysis help predict remodeling after aortic valve replacement? How can the type of Ross potentially affect heart function after the operation? Why might some parameters of LV strain improve but others not following surgery? Can preoperative strain measurements predict perioperative course? How does the addition of a Konno to a Ross change the outcomes of function? We speak with Chief of Cardiovascular Surgery at Primary Children's Hospital in Utah, Dr. S. Adil Husain and 3rd year integrated cardiac surgical resident Michal Schaffer of the University of Utah about these and other topics related to LV function following the Ross operation in children. ·         DOI: 10.1007/s00246-025-04124-9

This week we end 2025 with a Pediheart tradition - an episode on personal finance for medical professionals with noted authority on index investing and personal finance, Mr. Paul Merriman. Paul is a retired investment advisor who now has a popular podcast "Sound Investing" and website in which he offers advice on investing for 'do it yourself' investors. In this week's episode, the 5th of his visits to Pediheart, Mr. Merriman discusses 'factor investing' via index-like ETF's and funds. He also reviews who he believes might benefit from a financial advisor, what sort of advisor most should seek out and why he believes that many do not need one if they can 'stay the course'. Resources mentioned in today's podcast are below. Wishing all a happy and healthy new year in 2026. Paul's website:https://www.paulmerriman.com/#gsc.tab=0'Best In Class' ETF's:https://www.paulmerriman.com/Best-in-Class-ETF-Recommendations2025#gsc.tab=0Sound Investing 'Quilt Charts':https://irp.cdn-website.com/6b78c197/files/uploaded/(K)_Qui

This week we go back in time 2 years to review a recent paper from 2023 about outcomes of cardiac transplantation in the adult congenital heart patient (ACHD). Little has been written on this topic until this very robust and large scale report. How do single ventricle ACHD patients fair at transplant and how do they compare to non-ACHD heart transplant recipients? Why might 1 and 3 year outcomes not be a 'fair' method of assessing outcomes in this very high risk patient group? How do HLHS patient outcomes compare with other single ventricles? Are there better ways to measure risk in this patient group and how might the data in this work inform risk stratification and management of failing Fontan patients in whom transplantation is being considered? These are amongst the questions posed this week to the week's expert, Dr Daphne Hsu who is Professor of Pediatrics at the Albert Einstein College of Medicine at The Children's Hospital at Montefiore.https://doi.org/10.1016/j.jacc.2023.06.037For those interested in

This week we speak with noted congenital cardiologist Professor Krishna Kumar of the Amrita Institute in Cochin, India and discuss his recent work on inequities in congenital heart care in the world. Over 90% of patients with CHD do not have access to care in the globe today. What is the path forward to improve this sobering statistic? How can a World Health Assembly resolution practically help improve care in LMIC countries worldwide? Dr. Kumar shares his deep insights.This week we also briefly note the passing of the wonderful and caring pediatric cardiologist Dr. Sangeetha Viswanathan of Chennai, India who tragically died suddenly this week while attending the World Congress events in Hong Kong. Dr. Kumar's words regarding his friend, former fellow and colleague are read in remembrance of this wonderful and giving cardiologist whose loss will be deeply felt by her patients, family and friends. DOI: 10.1016/j.jacc.2025.07.070

ECMO is the topic of this week’s episode of Pediheart. We speak with Assistant Professor of Pediatrics and cardiac critical care specialist at Northwell Health, Dr. Ivana Capin about a recent ELSO database study she conducted to assess outcomes in single ventricle patients who were treated with ECMO prior to single ventricle palliation. What factors were associated with worse overall outcomes? Can this therapy be used to stabilize the HLHS patient with an intact atrial septum? Why have outcomes for this high risk patient group not appreciably improved in the recent decade? How can these data improve prognostic clarity when speaking with families in this difficult situation.Also joining us briefly is Associate Professor of Pediatrics at the Icahn School of Medicine at Mount Sinai, Dr. Scott Aydin to discuss his co-author and mentor, Dr. George Ofori-Amanfo as we approach the 4th anniversary of his untimely and tragic passing. DOI: 10.1017/S1047951125001386

This week we go back in time to 2020 to delve into the topic of fellow wellness and review a work from the Boston Children's group on fellow fears and stressors when beginning their training. Are there patterns amongst the fellow concerns that can be identified and used to inform interventions to help allay these fears and reduce the stress? We speak with Dr. David Brown, Associate Professor of Pediatrics, Harvard Medical School and also Dr. Tony Pastor who was then the ACHD Fellow at Boston Children's Hospital/Brigham and Women's Hospital about their thoughts on fellow fears and stressors as well as fellow (and doctor) wellness. doi: 10.1007/s00246-019-02276-z.

This week we review the topic of mitral annular disjunction ("MAD") and the possible association with ventricular arrhythmia or sudden death in the connective tissue disease patient. Is there a 'cut off' distance above which patients deserve more significant arrhythmia surveillance? What is the best way to measure the MAD distance? Can patients with low MAD distances have lower degrees or even no arrhythmic surveillance? How often should this distance be measured on CMR and can an echo measurement provide similar data? Dr. Daniel Castellanos, the first author of this work and Assistant Professor of Pediatrics at Harvard Medical School shares his deep insights this week.DOI: 10.1016/j.jocmr.2025.101954

This week we review a recent retrospective review from Phoenix Children’s Hospital about coronary artery fistulae. How common are they and who needed intervention? How should the cardiologist think about the small fistula? Should they all be ‘followed’ or can they be discharged from cardiology follow-up? How small is ‘small enough’? We speak with Dr. Marie Chevenon who is a fetal cardiologist at Phoenix Children’s Hospital about her recent study on the Phoenix experience with coronary artery fistulae.  https://doi.org/10.1007/s00246-024-03600-y