{"schema_version":"bookimed.page-context.v1","id":"clinic-boston-childrens","url":"https://hub.bookimed.com/heart-surgery/clinic-boston-childrens/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/clinic-boston-childrens.json","index_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/index.json","full_dataset_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/content.json","content_revision":"source-driven-rankings-20261008","date_modified":"2026-10-08","language":"en","kind":"clinic-profile","title":"Boston Children’s Hospital: heart surgery expertise","summary":"Boston Children’s Complex Biventricular Repair Program evaluates difficult ventricular relationships using detailed imaging and 3D models. Its research addresses both protection of the conduction system during repair and the later burden of conduit procedures.","research_credit":{"name":"Yevhenii Kozlov","role":"Co-Founder of Bookimed","url":"https://us-uk.bookimed.com/ceo/kozlov/","contribution":"Research personally prepared and reviewed","assistance":"AI tools assisted source research."},"editorial_scope":"Source-based patient information; an individual treatment plan requires clinical review.","research_method":"How this guide is researched and compared Research project led by Yevhenii Kozlov . We link clinical guidance, primary studies and named hospital or offer sources beside the relevant statements. Comparisons distinguish individual operators from programme results and preserve the study population, follow-up and limitations. Prices are dated examples with their stated scope. Research and editorial preparation are separate from clinical review; no named clinician has medically reviewed this edition. Bookimed provides care coordination. Partner and reference programmes are identified from their sources; paid ordering is not used in our published-cohort comparison. Read the editorial policy .","key_takeaways":[{"label":"Anatomical reconstruction","text":"The programme describes tailored outflow and valve reconstruction for unusual ventricular connections.","sources":["SP02"]},{"label":"Conduction mapping evidence","text":"A study compared 149 mapped repairs with 201 controls; heart-block/pacemaker frequency was lower in selected anatomical subgroups.","sources":["SP14"]},{"label":"Later procedures can be expected in some pathways","text":"In the 25-patient Yasui series, freedom from conduit reoperation was 48% at median five-year follow-up.","sources":["SP15"]}],"benefits":[{"text":"Detailed anatomical modelling and tailored reconstruction create a two-ventricle pathway for selected difficult congenital hearts.","sources":["SP02","SP14","SP15","SP01"]}],"limitations":[{"text":"The Yasui operation requires two adequate ventricles with VSD and aortic atresia or interrupted arch. Neither that study nor the observational mapping results apply to every child with a septal defect.","sources":["SP02","SP14","SP15","SP01"]}],"sections":[{"id":"benefit-balance","title":"Clinical benefits and limitations","text":"Clinical benefits and limitations Potential advantages Detailed anatomical modelling and tailored reconstruction create a two-ventricle pathway for selected difficult congenital hearts. Sources: Biventricular repair linked to better outcomes in superior-inferior ventricles treatment · Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease. · The Yasui operation: A single institutional experience over 30 years. · Sitaram Emani — research and clinician directory Trade-offs and limits The Yasui operation requires two adequate ventricles with VSD and aortic atresia or interrupted arch. Neither that study nor the observational mapping results apply to every child with a septal defect. Sources: Biventricular repair linked to better outcomes in superior-inferior ventricles treatment · Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease. · The Yasui operation: A single institutional experience over 30 years. · Sitaram Emani — research and clinician directory","links":[{"label":"Biventricular repair linked to better outcomes in superior-inferior ventricles treatment","url":"https://answers.childrenshospital.org/specialized-ventricular-surgery/"},{"label":"Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease.","url":"https://pubmed.ncbi.nlm.nih.gov/39537250/"},{"label":"The Yasui operation: A single institutional experience over 30 years.","url":"https://pubmed.ncbi.nlm.nih.gov/37808042/"},{"label":"Sitaram Emani — research and clinician directory","url":"https://research.childrenshospital.org/researchers/sitaram-emani"},{"label":"Biventricular repair linked to better outcomes in superior-inferior ventricles treatment","url":"https://answers.childrenshospital.org/specialized-ventricular-surgery/"},{"label":"Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease.","url":"https://pubmed.ncbi.nlm.nih.gov/39537250/"},{"label":"The Yasui operation: A single institutional experience over 30 years.","url":"https://pubmed.ncbi.nlm.nih.gov/37808042/"},{"label":"Sitaram Emani — research and clinician directory","url":"https://research.childrenshospital.org/researchers/sitaram-emani"}]},{"id":"specialists","title":"Specialists and their clinical work","text":"Specialists and their clinical work Portrait source ↗ Boston · United States cardiac surgeon Sitaram Emani → Sitaram Emani co-directs Boston Children’s Complex Biventricular Repair Program. The work focuses on whether unusual ventricular connections, valves and outflow routes can be reconstructed so that both ventricles support circulation. Boston Children’s Hospital → Sources: Biventricular repair linked to better outcomes in superior-inferior ventricles treatment · Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease. View expertise and research →","links":[{"label":"Portrait source ↗","url":"https://research.childrenshospital.org/researchers/sitaram-emani"},{"label":"Sitaram Emani →","url":"https://hub.bookimed.com/heart-surgery/doctor-sitaram-emani/"},{"label":"Boston Children’s Hospital →","url":"https://hub.bookimed.com/heart-surgery/clinic-boston-childrens/"},{"label":"Biventricular repair linked to better outcomes in superior-inferior ventricles treatment","url":"https://answers.childrenshospital.org/specialized-ventricular-surgery/"},{"label":"Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease.","url":"https://pubmed.ncbi.nlm.nih.gov/39537250/"},{"label":"View expertise and research →","url":"https://hub.bookimed.com/heart-surgery/doctor-sitaram-emani/"}]},{"id":"evidence","title":"Procedure-specific research","text":"Procedure-specific research Read alongside Sitaram Emani’s profile → Protecting the conduction system A 2024 programme study compared intraoperative conduction mapping with unmapped complex repairs. Lower postoperative heart-block/pacemaker frequency occurred in selected anatomical subgroups. How to interpret this: Observational comparison; risk was not eliminated and not every subgroup benefited. Results belong to the programme. Sources: Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease. Read alongside Sitaram Emani’s profile → Planning for later conduit procedures The historical Yasui series describes preservation of ventricular function alongside a substantial later burden of right-ventricle-to-pulmonary-artery conduit reoperation. How to interpret this: Only 25 selected patients treated across 1989–2021; no personal success rate or prediction for a new child. Sources: The Yasui operation: A single institutional experience over 30 years.","links":[{"label":"Sitaram Emani’s profile →","url":"https://hub.bookimed.com/heart-surgery/doctor-sitaram-emani/"},{"label":"Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease.","url":"https://pubmed.ncbi.nlm.nih.gov/39537250/"},{"label":"Sitaram Emani’s profile →","url":"https://hub.bookimed.com/heart-surgery/doctor-sitaram-emani/"},{"label":"The Yasui operation: A single institutional experience over 30 years.","url":"https://pubmed.ncbi.nlm.nih.gov/37808042/"}]}],"introduction":"Heart surgery guide / Boston Children’s Hospital Boston Children’s Hospital · Decision guide Boston Children’s Hospital: heart surgery expertise Boston, United States · Complex two-ventricle reconstruction with long-term planning Research by Yevhenii Kozlov · Co-Founder of Bookimed Updated 8 October 2026 Sources linked throughout At a glance Boston Children’s Complex Biventricular Repair Program evaluates difficult ventricular relationships using detailed imaging and 3D models. Its research addresses both protection of the conduction system during repair and the later burden of conduit procedures. Anatomical reconstruction The programme describes tailored outflow and valve reconstruction for unusual ventricular connections. Sources: Biventricular repair linked to better outcomes in superior-inferior ventricles treatment Conduction mapping evidence A study compared 149 mapped repairs with 201 controls; heart-block/pacemaker frequency was lower in selected anatomical subgroups. Sources: Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease. Later procedures can be expected in some pathways In the 25-patient Yasui series, freedom from conduit reoperation was 48% at median five-year follow-up. Sources: The Yasui operation: A single institutional experience over 30 years. Conduction mapping during biventricular repair at Boston Children’s: the source identifies Elizabeth DeWitt, Eric Feins and Sitaram Emani. Photo courtesy of Benjamin Eckstein/Beryllium Pictures; published January 2025. · Image source ↗","related_documents":[{"id":"heart-surgery","title":"Heart surgery abroad: treatments, clinics and costs","kind":"home","url":"https://hub.bookimed.com/heart-surgery/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/heart-surgery.json"},{"id":"clinics","title":"Heart surgery clinics: compare techniques and specialist teams","kind":"directory","url":"https://hub.bookimed.com/heart-surgery/clinics/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/clinics.json"},{"id":"surgeons","title":"Find cardiac surgeons and heart specialists by procedure","kind":"surgeons","url":"https://hub.bookimed.com/heart-surgery/surgeons/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/surgeons.json"},{"id":"congenital-heart-surgery","title":"Congenital heart surgery: children and adults","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/congenital-heart-surgery/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/congenital-heart-surgery.json"},{"id":"doctor-sitaram-emani","title":"Sitaram Emani: complex biventricular congenital repair","kind":"doctor-profile","url":"https://hub.bookimed.com/heart-surgery/doctor-sitaram-emani/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-sitaram-emani.json"}],"entity":{"id":"boston-childrens","name":"Boston Children’s Hospital — Complex Biventricular Repair","country":"United States","city":"Boston","surgeon_ids":["sitaram-emani"],"source_attested_services":["complex biventricular reconstruction","congenital valve repair","complex VSD-associated outflow reconstruction"],"patient_task_fit":"Complex two-ventricle reconstruction with long-term planning","value_headline":"Complex two-ventricle reconstruction with long-term planning","value_summary":"Boston Children’s Complex Biventricular Repair Program evaluates difficult ventricular relationships using detailed imaging and 3D models. Its research addresses both protection of the conduction system during repair and the later burden of conduit procedures.","highlights":[{"label":"Anatomical reconstruction","text":"The programme describes tailored outflow and valve reconstruction for unusual ventricular connections.","source_ids":["SP02"]},{"label":"Conduction mapping evidence","text":"A study compared 149 mapped repairs with 201 controls; heart-block/pacemaker frequency was lower in selected anatomical subgroups.","source_ids":["SP14"]},{"label":"Later procedures can be expected in some pathways","text":"In the 25-patient Yasui series, freedom from conduit reoperation was 48% at median five-year follow-up.","source_ids":["SP15"]}],"comparison_question":"","source_ids":["SP02","SP14","SP15","SP01"],"bookimed_route":null,"official_url":"https://answers.childrenshospital.org/specialized-ventricular-surgery/","topic_slugs":["congenital-heart-surgery"],"guide_links":[{"slug":"congenital-heart-surgery","label":"Congenital repair options"}],"topics":["congenital"],"profile_slug":"clinic-boston-childrens","photo":{"source_page":"https://answers.childrenshospital.org/conduction-tissue-mapping/","width":724,"height":482,"alt":"Boston Children’s heart-surgery team with an electrophysiologist during surgery","caption":"Conduction mapping during biventricular repair at Boston Children’s: the source identifies Elizabeth DeWitt, Eric Feins and Sitaram Emani. Photo courtesy of Benjamin Eckstein/Beryllium Pictures; published January 2025.","url":"https://hub.bookimed.com/wp-content/uploads/2026/10/boston-childrens.jpg"},"comparison_answer":"Detailed anatomical modelling and tailored reconstruction create a two-ventricle pathway for selected difficult congenital hearts.","key_takeaways":[{"label":"Anatomical reconstruction","text":"The programme describes tailored outflow and valve reconstruction for unusual ventricular connections.","sources":["SP02"]},{"label":"Conduction mapping evidence","text":"A study compared 149 mapped repairs with 201 controls; heart-block/pacemaker frequency was lower in selected anatomical subgroups.","sources":["SP14"]},{"label":"Later procedures can be expected in some pathways","text":"In the 25-patient Yasui series, freedom from conduit reoperation was 48% at median five-year follow-up.","sources":["SP15"]}],"benefits":[{"text":"Detailed anatomical modelling and tailored reconstruction create a two-ventricle pathway for selected difficult congenital hearts.","sources":["SP02","SP14","SP15","SP01"]}],"limitations":[{"text":"The Yasui operation requires two adequate ventricles with VSD and aortic atresia or interrupted arch. Neither that study nor the observational mapping results apply to every child with a septal defect.","sources":["SP02","SP14","SP15","SP01"]}],"patient_sections":[{"id":"benefit-balance","title":"Clinical benefits and limitations","paragraphs":[],"items":[],"sources":[],"kind":"benefit-balance","links":[],"table":null},{"id":"specialists","title":"Specialists and their clinical work","paragraphs":[],"items":[],"sources":[],"kind":"clinic-doctors","links":[],"table":null},{"id":"evidence","title":"Procedure-specific research","paragraphs":[],"items":[],"sources":[],"kind":"clinic-evidence","links":[],"table":null}]},"sources":{"SP01":{"title":"Sitaram Emani — research and clinician directory","publisher":"Boston Children’s Hospital","url":"https://research.childrenshospital.org/researchers/sitaram-emani","read_at":"2026-10-08","source_kind":"official-institution","local_body":"/Users/eugen/Projects/frankenstein-agentic-framework/outputs/heart-surgery-hub-20261007/review/provider-depth/specialties/sources/emani-research.txt","supports":"Active institutional affiliation, Harvard professor of surgery, linked clinician profile and publication list.","limitations":"The linked patient profile returned an Incapsula block; current operating role and programme are corroborated by SP02."},"SP02":{"title":"Biventricular repair linked to better outcomes in superior-inferior ventricles treatment","publisher":"Boston Children’s Hospital","url":"https://answers.childrenshospital.org/specialized-ventricular-surgery/","read_at":"2026-10-08","source_kind":"official-institution","local_body":"/Users/eugen/Projects/frankenstein-agentic-framework/outputs/heart-surgery-hub-20261007/review/provider-depth/specialties/sources/recovered-official-web.json","supports":"Names Emani as cardiac surgeon and co-director of Complex Biventricular Repair Program; describes operative reconstruction and 3D planning.","limitations":"Institutional explanation of research, not an independently audited outcome report. Direct HTTP failed; web-reader body recovered.","published_at":"2026-05-13"},"SP14":{"title":"Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease.","publisher":"Journal of the American College of Cardiology","url":"https://pubmed.ncbi.nlm.nih.gov/39537250/","read_at":"2026-10-08","published_at":"2024-11-01","doi":"10.1016/j.jacc.2024.07.054","pmid":"39537250","source_kind":"primary-research-abstract","local_body":"/Users/eugen/Projects/frankenstein-agentic-framework/outputs/heart-surgery-hub-20261007/review/provider-depth/specialties/sources/pmid-39537250.json","supports":"Complex congenital repair conduction mapping: 149 mapped patients versus 201 controls, 2019–2022. Associations vary by anatomy; Emani coauthor.","limitations":"Nonrandomized programme comparison; not a universal pacemaker reduction or personal outcome rate."},"SP15":{"title":"The Yasui operation: A single institutional experience over 30 years.","publisher":"JTCVS open","url":"https://pubmed.ncbi.nlm.nih.gov/37808042/","read_at":"2026-10-08","published_at":"2023-07-18","doi":"10.1016/j.xjon.2023.06.019","pmid":"37808042","source_kind":"primary-research-abstract","local_body":"/Users/eugen/Projects/frankenstein-agentic-framework/outputs/heart-surgery-hub-20261007/review/provider-depth/specialties/sources/pmid-37808042.json","supports":"Boston Yasui programme retrospective cohort, 25 patients 1989–2021; Emani coauthor; conduit reintervention remains important.","limitations":"Small, long-era, selected cohort; applies to two adequate ventricles with VSD and aortic atresia or interrupted arch, not ordinary isolated VSD."}}}