{"schema_version":"bookimed.page-context.v1","id":"aortic-surgery-surgeon-comparison","url":"https://hub.bookimed.com/heart-surgery/aortic-surgery-surgeon-comparison/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/aortic-surgery-surgeon-comparison.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":"evidence-directory","title":"Valve-sparing aortic root surgery surgeon rankings: experience, methods and results","summary":"Compare valve-sparing aortic root surgery surgeons and programmes by the operations they offer, relevant experience and clinical results. Each team has one card, with its studies grouped underneath. Reported practice totals carry their source; study samples stay beside their own results.","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":"8 teams · 2 studies","text":"One card per surgical team. Clinical studies remain separate inside each card, with their own dates and results.","sources":["aorta-homburg-remodeling-2023","aorta-toronto-rav-2021"]},{"label":"Follow-up stays visible","text":"Early perioperative outcomes and multi-year observation answer different clinical questions.","sources":[]},{"label":"A shortlist, not a success leaderboard","text":"Different case selection and outcome definitions prevent a valid best-to-worst surgical outcome ranking.","sources":[]}],"benefits":[{"text":"Procedure-specific evidence makes differences in technique, anatomy and observation period visible before comparing teams.","sources":[]}],"limitations":[{"text":"These studies are not a matched comparison of the listed surgeons. Personal treatment suitability and risk require clinical assessment.","sources":[]}],"sections":[{"id":"ranked-comparison","title":"Valve-sparing aortic root surgery surgeons and specialist teams","text":"Valve-sparing aortic root surgery surgeons and specialist teams Procedure Focus your shortlist Cards follow the selected procedure’s default experience comparison above. Providers without a comparable public count retain their clinical profiles without a numbered position. Specialist expertise Valve-sparing aortic root Ali Fedakar Hisar Hospital Intercontinental cardiovascular surgeon Ali Fedakar’s Hisar practice explicitly includes second and third valve operations, coronary bypass and aortic surgery. His background is particularly relevant to patients whose new operation must account for an earlier valve or bypass procedure. Sources: Prof. Dr. Ali Fedakar, M.D. | Hisar Intercontinental Hospital Read the specialist profile → Specialist expertise Valve-sparing aortic root Emmanuel Lansac AP-HP Pitié-Salpêtrière aortic valve repair and root remodelling Emmanuel Lansac is listed in Pitié-Salpêtrière’s cardiac surgery service. His technique-focused research combines root remodelling with an external ring supporting the valve annulus, aiming to retain the natural aortic valve. Sources: External aortic annuloplasty with a dedicated expansible ring improves outcomes in remodeling root repair compared with homemade Dacron ring. · Dr Emmanuel Lansac · Cardiac and thoracic surgery at Pitié-Salpêtrière Read the specialist profile → Specialist expertise Valve-sparing aortic root G. Chad Hughes Duke University Hospital aortic surgery and valve-sparing repair G. Chad Hughes’s Duke practice covers aortic valve repair, valve-sparing root replacement and disease extending to the arch and thoraco-abdominal aorta. His team has also published late limitations of a specific repair device. Sources: Duke Center for Aortic Disease combines cardiothoracic and vascular surgery · G. Chad Hughes, MD · Mid-term outcomes of aortic valve repair using an anatomically shaped internal annuloplasty ring. Read the specialist profile → Specialist expertise Valve-sparing aortic root Hans-Joachim Schäfers and colleagues historical Homburg programme Native-valve preservation with a large bicuspid-valve subgroup. 472 patients had bicuspid valves; 1,047 had associated cusp repair. Fifteen-year freedom from reoperation was 94% for tricuspid versus 84% for bicuspid valves. Sources: Remodeling of the aortic root—a 28-year journey 1 clinical study · methods, results and risks Native-valve preservation with a large bicuspid-valve subgroup. 1189 valve-preserving root-remodeling patients in this study 1995–2022 · published 2023 472 patients had bicuspid valves; 1,047 had associated cusp repair. Fifteen-year freedom from reoperation was 94% for tricuspid versus 84% for bicuspid valves. Results: Full-text estimate: 88% freedom from valve reoperation at 20 years; 77% freedom from regurgitation grade 2 or greater at 15 years. Follow-up: Mean 6.7 ± 5.5 years; 95% follow-up completeness. Study context: Historical Saarland/Homburg programme cohort, not a personal count. Schäfers was director until 2023 and is now Senior Consultant at Westpfalz. Technique and selection changed over time. Kaplan–Meier freedom from reoperation cannot be directly compared with Toronto’s competing-risk estimate. A valve can leak without having been reoperated on. Sources: Remodeling of the aortic root—a 28-year journey Read the programme source ↗ Specialist expertise Valve-sparing aortic root Naresh Trehan Medanta chief cardiac surgeon Naresh Trehan is Medanta’s chief cardiac surgeon. The official service listing spans CABG, valve repair and replacement, aortic disease and complex repeat operations, providing a broad surgical setting when several cardiac problems coexist. Sources: Cardiac Surgery Experts in Gurugram — Medanta · Dr. Naresh Trehan | Medanta Read the specialist profile → Specialist expertise Valve-sparing aortic root Piroze M. Davierwala Peter Munk Cardiac Centre, Toronto General Hospital total-arterial minimally invasive CABG Piroze Davierwala directs the minimally invasive cardiac-surgery programme at UHN. Its coronary service includes selected multivessel total-arterial CABG through an incision between the ribs without heart–lung support. Sources: Minimally invasive coronary artery bypass graft surgery · Total Arterial Multivessel Minimally Invasive Coronary Artery Bypass Surgery: 5-Year Outcomes. · MICS programme and Dr Piroze M. Davierwala Read the specialist profile → Specialist expertise Valve-sparing aortic root Tirone David and colleagues Toronto programme Follow both reoperation and recurrent leakage when judging durability. At 20 years, estimated valve-reoperation probability was 6.0% with death treated as a competing risk; moderate or severe aortic insufficiency was 10.2%. Sources: A progress report on reimplantation of the aortic valve Broader practice and technique context 15,000+ All cardiac operations; procedure mix unspecified in count Personal operations · Career cumulative reported in 2015 · published 2015 All cardiac operations; procedure mix unspecified in count. Historical figure; source date shown. Changing the way cardiac surgery is practiced ↗ · source read 2026-10-08 1 clinical study · methods, results and risks Follow both reoperation and recurrent leakage when judging durability. 465 aortic-valve reimplantation patients in this study 1989–2018 · published 2021 At 20 years, estimated valve-reoperation probability was 6.0% with death treated as a competing risk; moderate or severe aortic insufficiency was 10.2%. Results: 95% confidence intervals: 2.8–12.9% for reoperation and 5.7–17.4% for insufficiency. Only 25 patients were alive and free from reoperation beyond 20 years. Follow-up: Mean 10 ± 6 years; 98% completeness. This is not 20-year observation of all 465 patients. Study context: Three attending surgeons contributed. UHN currently lists David and division head Maral Ouzounian; no individual case allocation or appointment availability is established. Selected expert-centre cohort. Do not turn 6% reoperation into “94% durable success”, or transfer historical programme results to an individual surgeon. Sources: A progress report on reimplantation of the aortic valve Read the programme source ↗ Specialist expertise Valve-sparing aortic root Ulrich Rosendahl Royal Brompton Hospital consultant cardiac surgeon Ulrich Rosendahl’s Royal Brompton practice includes valve-sparing aortic-root replacement and reconstruction of the wider aorta. This is relevant when an aneurysm overlaps with valve disease, a previous operation or a connective-tissue disorder. Sources: Ulrich Rosendahl — clinical expertise and Royal Brompton location · Mr Ulrich Rosendahl | Royal Brompton & Harefield hospitals Read the specialist profile → All specialist cards and their expandable study evidence are available without filtering.","links":[{"label":"Prof. Dr. Ali Fedakar, M.D. | Hisar Intercontinental Hospital","url":"https://hisarhospital.com/en/doctor/prof-ali-fedakar-m-d/"},{"label":"Read the specialist profile →","url":"https://hub.bookimed.com/heart-surgery/doctor-ali-fedakar/"},{"label":"External aortic annuloplasty with a dedicated expansible ring improves outcomes in remodeling root repair compared with homemade Dacron ring.","url":"https://pubmed.ncbi.nlm.nih.gov/38914371/"},{"label":"Dr Emmanuel Lansac","url":"https://www.aphp.fr/dr-lansac-emmanuel"},{"label":"Cardiac and thoracic surgery at Pitié-Salpêtrière","url":"https://www.aphp.fr/pitie-salpetriere/service-de-chirurgie-cardiaque-et-thoracique"},{"label":"Read the specialist profile →","url":"https://hub.bookimed.com/heart-surgery/doctor-emmanuel-lansac/"},{"label":"Duke Center for Aortic Disease combines cardiothoracic and vascular surgery","url":"https://physicians.dukehealth.org/articles/duke-center-aortic-disease-combines-expertise-cardiothoracic-and-vascular-surgery"},{"label":"G. Chad Hughes, MD","url":"https://www.dukehealth.org/find-doctors-physicians/g-chad-hughes-md"},{"label":"Mid-term outcomes of aortic valve repair using an anatomically shaped internal annuloplasty ring.","url":"https://pubmed.ncbi.nlm.nih.gov/38006340/"},{"label":"Read the specialist profile →","url":"https://hub.bookimed.com/heart-surgery/doctor-g-chad-hughes/"},{"label":"Remodeling of the aortic root—a 28-year journey","url":"https://www.annalscts.com/article/view/17010/html"},{"label":"Remodeling of the aortic root—a 28-year journey","url":"https://www.annalscts.com/article/view/17010/html"},{"label":"Read the programme source ↗","url":"https://www.westpfalz-klinikum.de/herz-lungen-gefaesschirurgie-kaiserslautern/unser-team"},{"label":"Cardiac Surgery Experts in Gurugram — Medanta","url":"https://www.medanta.org/doctor-listing/cardiac-surgery-doctors-in-gurugram?page=1"},{"label":"Dr. Naresh Trehan | Medanta","url":"https://www.medanta.org/hospitals-near-me/south-delhi/speciality/cardiology/doctor/dr-naresh-trehan"},{"label":"Read the specialist profile →","url":"https://hub.bookimed.com/heart-surgery/doctor-naresh-trehan/"},{"label":"Minimally invasive coronary artery bypass graft surgery","url":"https://www.uhn.ca/PMCC/Minimally-Invasive-Cardiac-Surgery-Program/Pages/Coronary-artery-bypass.aspx"},{"label":"Total Arterial Multivessel Minimally Invasive Coronary Artery Bypass Surgery: 5-Year Outcomes.","url":"https://pubmed.ncbi.nlm.nih.gov/39128507/"},{"label":"MICS programme and Dr Piroze M. Davierwala","url":"https://www.uhn.ca/PMCC/Minimally-Invasive-Cardiac-Surgery-Program/Pages/About.aspx"},{"label":"Read the specialist profile →","url":"https://hub.bookimed.com/heart-surgery/doctor-piroze-davierwala/"},{"label":"A progress report on reimplantation of the aortic valve","url":"https://pubmed.ncbi.nlm.nih.gov/33008570/"},{"label":"Changing the way cardiac surgery is practiced ↗","url":"https://www.uhn.ca/PMCC/About/Globe_Mail/Pages/changing_cardiac_surgery_way_globe-2015.aspx"},{"label":"A progress report on reimplantation of the aortic valve","url":"https://pubmed.ncbi.nlm.nih.gov/33008570/"},{"label":"Read the programme source ↗","url":"https://www.uhn.ca/PMCC/Clinics/Cardiovascular_Surgeon/Pages/about_us.aspx"},{"label":"Ulrich Rosendahl — clinical expertise and Royal Brompton location","url":"https://guysandstthomasspecialistcare.co.uk/specialists/ulrich-rosendahl/"},{"label":"Mr Ulrich Rosendahl | Royal Brompton & Harefield hospitals","url":"https://www.rbht.nhs.uk/specialists/mr-ulrich-rosendahl"},{"label":"Read the specialist profile →","url":"https://hub.bookimed.com/heart-surgery/doctor-ulrich-rosendahl/"}]},{"id":"benefit-balance","title":"What the comparison can and cannot establish","text":"What the comparison can and cannot establish Potential advantages Procedure-specific evidence makes differences in technique, anatomy and observation period visible before comparing teams. Trade-offs and limits These studies are not a matched comparison of the listed surgeons. Personal treatment suitability and risk require clinical assessment.","links":[]},{"id":"method","title":"How to read the comparison","text":"How to read the comparison Recruitment dates describe when operations took place; follow-up describes how long patients were observed. Both remain visible beside each study. Complication and outcome definitions differ. Counts are not pooled, programme cohorts are not automatically personal surgeon totals, and smaller incisions are not treated as proof of better outcomes. Aortic surgery ↗ How we find specialists ↗","links":[{"label":"Aortic surgery ↗","url":"https://hub.bookimed.com/heart-surgery/aortic-surgery/"},{"label":"How we find specialists ↗","url":"https://hub.bookimed.com/heart-surgery/specialist-research-method/"}]}],"introduction":"Heart surgery guide / Compare surgeon expertise / Valve-sparing aortic root surgery evidence comparison Valve-sparing aortic root surgery evidence comparison · Decision guide Valve-sparing aortic root surgery surgeon rankings: experience, methods and results 8 surgical teams · 2 clinical studies · expertise, methods and reported experience. Research by Yevhenii Kozlov · Co-Founder of Bookimed Updated 8 October 2026 Sources linked throughout At a glance Compare valve-sparing aortic root surgery surgeons and programmes by the operations they offer, relevant experience and clinical results. Each team has one card, with its studies grouped underneath. Reported practice totals carry their source; study samples stay beside their own results. 8 teams · 2 studies One card per surgical team. Clinical studies remain separate inside each card, with their own dates and results. Sources: Remodeling of the aortic root—a 28-year journey · A progress report on reimplantation of the aortic valve Follow-up stays visible Early perioperative outcomes and multi-year observation answer different clinical questions. A shortlist, not a success leaderboard Different case selection and outcome definitions prevent a valid best-to-worst surgical outcome ranking.","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":"aortic-surgery","title":"Aortic aneurysm surgery: options and specialist teams","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/aortic-surgery/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/aortic-surgery.json"},{"id":"surgeon-rankings","title":"Heart surgeon rankings by reported experience, method and results","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/surgeon-rankings/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/surgeon-rankings.json"},{"id":"doctor-ali-fedakar","title":"Ali Fedakar: Coronary bypass specialist","kind":"doctor-profile","url":"https://hub.bookimed.com/heart-surgery/doctor-ali-fedakar/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-ali-fedakar.json"},{"id":"doctor-naresh-trehan","title":"Naresh Trehan: Coronary bypass specialist","kind":"doctor-profile","url":"https://hub.bookimed.com/heart-surgery/doctor-naresh-trehan/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-naresh-trehan.json"},{"id":"doctor-ulrich-rosendahl","title":"Ulrich Rosendahl: Coronary bypass specialist","kind":"doctor-profile","url":"https://hub.bookimed.com/heart-surgery/doctor-ulrich-rosendahl/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-ulrich-rosendahl.json"},{"id":"doctor-piroze-davierwala","title":"Piroze M. Davierwala: total-arterial minimally invasive CABG","kind":"doctor-profile","url":"https://hub.bookimed.com/heart-surgery/doctor-piroze-davierwala/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-piroze-davierwala.json"},{"id":"doctor-emmanuel-lansac","title":"Emmanuel Lansac: aortic valve repair and root remodelling","kind":"doctor-profile","url":"https://hub.bookimed.com/heart-surgery/doctor-emmanuel-lansac/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-emmanuel-lansac.json"},{"id":"doctor-g-chad-hughes","title":"G. Chad Hughes: aortic surgery and valve-sparing repair","kind":"doctor-profile","url":"https://hub.bookimed.com/heart-surgery/doctor-g-chad-hughes/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-g-chad-hughes.json"},{"id":"specialist-research-method","title":"How we research heart surgery specialists","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/specialist-research-method/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/specialist-research-method.json"},{"id":"aortic-surgery-surgeons","title":"Aortic surgery specialists","kind":"specialist-directory","url":"https://hub.bookimed.com/heart-surgery/aortic-surgery-surgeons/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/aortic-surgery-surgeons.json"},{"id":"aortic-surgery-clinics","title":"Aortic surgery clinics and specialist centres","kind":"clinic-directory","url":"https://hub.bookimed.com/heart-surgery/aortic-surgery-clinics/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/aortic-surgery-clinics.json"}],"comparisons":[{"id":"ali-fedakar","family":"aorta","name":"Ali Fedakar / Hisar Hospital Intercontinental","doctor_id":"ali-fedakar","studies":[],"practice_experience":null,"card_id":"compare-aorta-ali-fedakar","source_study_ids":[],"legacy_anchors":[],"anatomy":false,"small":false,"multi_year":false,"provider_id":"ali-fedakar","rank_view":null,"rank_position":null,"rank_fact_id":null},{"id":"emmanuel-lansac","family":"aorta","name":"Emmanuel Lansac / AP-HP Pitié-Salpêtrière","doctor_id":"emmanuel-lansac","studies":[],"practice_experience":null,"card_id":"compare-aorta-emmanuel-lansac","source_study_ids":[],"legacy_anchors":[],"anatomy":false,"small":false,"multi_year":false,"provider_id":"emmanuel-lansac","rank_view":null,"rank_position":null,"rank_fact_id":null},{"id":"g-chad-hughes","family":"aorta","name":"G. Chad Hughes / Duke University Hospital","doctor_id":"g-chad-hughes","studies":[],"practice_experience":null,"card_id":"compare-aorta-g-chad-hughes","source_study_ids":[],"legacy_anchors":[],"anatomy":false,"small":false,"multi_year":false,"provider_id":"g-chad-hughes","rank_view":null,"rank_position":null,"rank_fact_id":null},{"id":"homburg-root","family":"aorta","name":"Hans-Joachim Schäfers and colleagues / historical Homburg programme","doctor_id":null,"studies":[{"id":"homburg-root","family":"aorta","name":"Hans-Joachim Schäfers and colleagues / historical Homburg programme","n":1189,"unit":"valve-preserving root-remodeling patients","period":"1995–2022 · published 2023","anatomy":true,"small":false,"distinction":"Native-valve preservation with a large bicuspid-valve subgroup.","fact":"472 patients had bicuspid valves; 1,047 had associated cusp repair. Fifteen-year freedom from reoperation was 94% for tricuspid versus 84% for bicuspid valves.","result":"Full-text estimate: 88% freedom from valve reoperation at 20 years; 77% freedom from regurgitation grade 2 or greater at 15 years.","followup":"Mean 6.7 ± 5.5 years; 95% follow-up completeness.","attribution":"Historical Saarland/Homburg programme cohort, not a personal count. Schäfers was director until 2023 and is now Senior Consultant at Westpfalz.","limit":"Technique and selection changed over time. Kaplan–Meier freedom from reoperation cannot be directly compared with Toronto’s competing-risk estimate. A valve can leak without having been reoperated on.","sources":["aorta-homburg-remodeling-2023"],"profile":"https://www.westpfalz-klinikum.de/herz-lungen-gefaesschirurgie-kaiserslautern/unser-team","multi_year":true,"measurement_kind":"study_cohort","display_order":"alphabetical_by_team","sample_size":1189}],"practice_experience":null,"card_id":"compare-aorta-homburg-root","source_study_ids":["homburg-root"],"legacy_anchors":["rank-homburg-root"],"anatomy":true,"small":false,"multi_year":true,"provider_id":"homburg-root","rank_view":null,"rank_position":null,"rank_fact_id":null},{"id":"naresh-trehan","family":"aorta","name":"Naresh Trehan / Medanta","doctor_id":"naresh-trehan","studies":[],"practice_experience":null,"card_id":"compare-aorta-naresh-trehan","source_study_ids":[],"legacy_anchors":[],"anatomy":false,"small":false,"multi_year":false,"provider_id":"naresh-trehan","rank_view":null,"rank_position":null,"rank_fact_id":null},{"id":"piroze-davierwala","family":"aorta","name":"Piroze M. Davierwala / Peter Munk Cardiac Centre, Toronto General Hospital","doctor_id":"piroze-davierwala","studies":[],"practice_experience":null,"card_id":"compare-aorta-piroze-davierwala","source_study_ids":[],"legacy_anchors":[],"anatomy":false,"small":false,"multi_year":false,"provider_id":"piroze-davierwala","rank_view":null,"rank_position":null,"rank_fact_id":null},{"id":"toronto-root","family":"aorta","name":"Tirone David and colleagues / Toronto programme","doctor_id":null,"studies":[{"id":"toronto-root","family":"aorta","name":"Tirone David and colleagues / Toronto programme","n":465,"unit":"aortic-valve reimplantation patients","period":"1989–2018 · published 2021","anatomy":true,"small":false,"distinction":"Follow both reoperation and recurrent leakage when judging durability.","fact":"At 20 years, estimated valve-reoperation probability was 6.0% with death treated as a competing risk; moderate or severe aortic insufficiency was 10.2%.","result":"95% confidence intervals: 2.8–12.9% for reoperation and 5.7–17.4% for insufficiency. Only 25 patients were alive and free from reoperation beyond 20 years.","followup":"Mean 10 ± 6 years; 98% completeness. This is not 20-year observation of all 465 patients.","attribution":"Three attending surgeons contributed. UHN currently lists David and division head Maral Ouzounian; no individual case allocation or appointment availability is established.","limit":"Selected expert-centre cohort. Do not turn 6% reoperation into “94% durable success”, or transfer historical programme results to an individual surgeon.","sources":["aorta-toronto-rav-2021"],"profile":"https://www.uhn.ca/PMCC/Clinics/Cardiovascular_Surgeon/Pages/about_us.aspx","multi_year":true,"measurement_kind":"study_cohort","display_order":"alphabetical_by_team","sample_size":465}],"practice_experience":null,"card_id":"compare-aorta-toronto-root","source_study_ids":["toronto-root"],"legacy_anchors":["rank-toronto-root"],"anatomy":true,"small":false,"multi_year":true,"provider_id":"toronto-root","rank_view":null,"rank_position":null,"rank_fact_id":null},{"id":"ulrich-rosendahl","family":"aorta","name":"Ulrich Rosendahl / Royal Brompton Hospital","doctor_id":"ulrich-rosendahl","studies":[],"practice_experience":null,"card_id":"compare-aorta-ulrich-rosendahl","source_study_ids":[],"legacy_anchors":[],"anatomy":false,"small":false,"multi_year":false,"provider_id":"ulrich-rosendahl","rank_view":null,"rank_position":null,"rank_fact_id":null}],"ranking":{"engine_version":"reported-volume-v1","facts_digest":"b2057ed11422aaf9ecbef7849da5e5c2be583ed36f70e64a8a183767f7154fef","calculated_at":"2026-10-08","facts":[{"id":"david-allcardiac-2015","provider_id":"toronto-root","family":"aorta","subject_scope":"surgeon_operator","measurement":"cumulative","procedure":"all_cardiac_surgery","inclusion_scope":"isolated-and-combined","value":15000,"relation":"more_than","display":"15,000+","unit":"All cardiac operations; procedure mix unspecified in count","period_label":"Career cumulative reported in 2015","reported_as_of":"2015","method":"All cardiac operations; procedure mix unspecified in count. Historical figure; source date shown.","source":{"url":"https://www.uhn.ca/PMCC/About/Globe_Mail/Pages/changing_cardiac_surgery_way_globe-2015.aspx","title":"Changing the way cardiac surgery is practiced","publisher":"Institution / clinical programme","published":"2015"},"checked_at":"2026-10-08"}],"views":[],"providers":[],"excluded":[{"fact_id":"david-allcardiac-2015","reason":"broader or different procedure"}],"default_views":{},"coverage":[{"provider_id":"toronto-root","family":"aorta","gaps":["Current programme annual aortic reimplantation count","David personal lifetime reimplantation count"],"source_ids":[],"unresolved_source_ids":["rs-david-allcardiac-2015"]}]},"sources":{"hisar-profile":{"id":"hisar-profile","title":"Prof. Dr. Ali Fedakar, M.D. | Hisar Intercontinental Hospital","url":"https://hisarhospital.com/en/doctor/prof-ali-fedakar-m-d/","read_at":"2026-10-07","source_type":"official_hospital"},"medanta-profile":{"id":"medanta-profile","title":"Dr. Naresh Trehan | Medanta","url":"https://www.medanta.org/hospitals-near-me/south-delhi/speciality/cardiology/doctor/dr-naresh-trehan","read_at":"2026-10-07","source_type":"official_hospital"},"rbht-profile":{"id":"rbht-profile","title":"Mr Ulrich Rosendahl | Royal Brompton & Harefield hospitals","url":"https://www.rbht.nhs.uk/specialists/mr-ulrich-rosendahl","read_at":"2026-10-07","source_type":"official_hospital"},"cabg-leipzig186":{"id":"cabg-leipzig186","title":"Total Arterial Multivessel Minimally Invasive Coronary Artery Bypass Surgery: 5-Year Outcomes","url":"https://pubmed.ncbi.nlm.nih.gov/39128507/","doi":"10.1016/j.athoracsur.2024.06.037","publication_year":2024,"source_kind":"primary_retrospective_single_centre_study","body_access":"primary_abstract_read_via_Europe_PMC","support_location":"Methods and Results; affiliations identify Leipzig and current Toronto association","short_excerpt":"186 patients underwent elective, total arterial minimally invasive CABG","read_at":"2026-10-07","source_type":"primary_retrospective_single_centre_study"},"cabg-davierwala-current":{"id":"cabg-davierwala-current","title":"About the MICS Program — Peter Munk Cardiac Centre, UHN","url":"https://www.uhn.ca/PMCC/Minimally-Invasive-Cardiac-Surgery-Program/Pages/About.aspx","source_kind":"official_current_hospital_programme_profile","body_access":"search_returned_body_excerpt_read","support_location":"Dr. Piroze M. Davierwala biography and Leipzig-to-Toronto chronology","short_excerpt":"Surgical Director of the Minimally Invasive Cardiac Surgery (MICS) Program","read_at":"2026-10-07","source_type":"official_current_hospital_programme_profile"},"cabg-uhn-cabg-current":{"id":"cabg-uhn-cabg-current","title":"Coronary artery bypass graft surgery — Peter Munk Cardiac Centre","url":"https://www.uhn.ca/PMCC/Minimally-Invasive-Cardiac-Surgery-Program/Pages/Coronary-artery-bypass.aspx","source_kind":"official_current_programme_page","body_access":"search_returned_body_excerpt_read","support_location":"Three procedures offered by Dr Davierwala","short_excerpt":"using only arterial bypass grafts","read_at":"2026-10-07","source_type":"official_current_programme_page"},"aorta-toronto-rav-2021":{"id":"aorta-toronto-rav-2021","title":"A progress report on reimplantation of the aortic valve","url":"https://pubmed.ncbi.nlm.nih.gov/33008570/","publisher":"Primary journal study","read_at":"2026-10-07","published":"2021","source_type":"Programme cohort"},"aorta-homburg-remodeling-2023":{"id":"aorta-homburg-remodeling-2023","title":"Remodeling of the aortic root—a 28-year journey","url":"https://www.annalscts.com/article/view/17010/html","publisher":"Primary journal study","read_at":"2026-10-07","published":"2023","source_type":"Programme cohort"},"hisar-fedakar":{"url":"https://hisarhospital.com/en/doctor/prof-ali-fedakar-m-d/","title":"Prof. Dr. Ali Fedakar, M.D. — Hisar Hospital Intercontinental"},"medanta-surgeons":{"url":"https://www.medanta.org/doctor-listing/cardiac-surgery-doctors-in-gurugram?page=1","title":"Cardiac Surgery Experts in Gurugram — Medanta"},"rbht-rosendahl-current":{"url":"https://guysandstthomasspecialistcare.co.uk/specialists/ulrich-rosendahl/","title":"Ulrich Rosendahl — clinical expertise and Royal Brompton location","publisher":"Guy’s and St Thomas’ Specialist Care"},"pd-adult-davierwala-official":{"title":"MICS programme and Dr Piroze M. Davierwala","publisher":"University Health Network","url":"https://www.uhn.ca/PMCC/Minimally-Invasive-Cardiac-Surgery-Program/Pages/About.aspx","read_at":"2026-10-08","kind":"official provider or programme page","support":"Current UHN surgical director; historical Leipzig role; arterial MICS experience.","limitations":"An institutional listing supports current role and stated clinical scope; it does not establish the next appointment, operating allocation or individual risk-adjusted results.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/davierwala-official.txt"},"pd-adult-uhn-cabg":{"title":"Minimally invasive coronary artery bypass graft surgery","publisher":"University Health Network","url":"https://www.uhn.ca/PMCC/Minimally-Invasive-Cardiac-Surgery-Program/Pages/Coronary-artery-bypass.aspx","read_at":"2026-10-08","kind":"official provider or programme page","support":"Current programme offers single- and multivessel arterial CABG without a heart-lung machine.","limitations":"An institutional listing supports current role and stated clinical scope; it does not establish the next appointment, operating allocation or individual risk-adjusted results.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/uhn-cabg.txt"},"pd-adult-lansac-official":{"title":"Dr Emmanuel Lansac","publisher":"AP-HP","url":"https://www.aphp.fr/dr-lansac-emmanuel","read_at":"2026-10-08","kind":"official provider or programme page","support":"Current Pitié-Salpêtrière cardiac/thoracic surgery consultation listing.","limitations":"An institutional listing supports current role and stated clinical scope; it does not establish the next appointment, operating allocation or individual risk-adjusted results.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/lansac-official.txt"},"pd-adult-aphp-programme":{"title":"Cardiac and thoracic surgery at Pitié-Salpêtrière","publisher":"AP-HP","url":"https://www.aphp.fr/pitie-salpetriere/service-de-chirurgie-cardiaque-et-thoracique","read_at":"2026-10-08","kind":"official provider or programme page","support":"Adult cardiac/aortic surgery, multidisciplinary service; Lansac listed on current team.","limitations":"An institutional listing supports current role and stated clinical scope; it does not establish the next appointment, operating allocation or individual risk-adjusted results.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/web-body-observations.md"},"pd-adult-hughes-official":{"title":"G. Chad Hughes, MD","publisher":"Duke Health","url":"https://www.dukehealth.org/find-doctors-physicians/g-chad-hughes-md","read_at":"2026-10-08","kind":"official provider or programme page","support":"Active adult heart surgeon; valve repair, valve-sparing root, arch, thoracoabdominal, TEVAR and TAVR expertise.","limitations":"An institutional listing supports current role and stated clinical scope; it does not establish the next appointment, operating allocation or individual risk-adjusted results.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/hughes-official.txt"},"pd-adult-duke-programme":{"title":"Duke Center for Aortic Disease combines cardiothoracic and vascular surgery","publisher":"Duke Health","url":"https://physicians.dukehealth.org/articles/duke-center-aortic-disease-combines-expertise-cardiothoracic-and-vascular-surgery","read_at":"2026-10-08","kind":"official provider or programme page","support":"Hughes is co-director and aortic surgery section chief; coordinated imaging/genetics/lifelong follow-up.","limitations":"An institutional listing supports current role and stated clinical scope; it does not establish the next appointment, operating allocation or individual risk-adjusted results.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/web-body-observations.md","published_at":"2025-08-05"},"pd-adult-mics186":{"title":"Total Arterial Multivessel Minimally Invasive Coronary Artery Bypass Surgery: 5-Year Outcomes.","publisher":"The Annals of thoracic surgery","url":"https://pubmed.ncbi.nlm.nih.gov/39128507/","read_at":"2026-10-08","kind":"original study abstract and author/affiliation record","support":"Abstract body and authorship inspected; numerical claims below are restricted to the reported endpoint and population.","limitations":"Full manuscript and supplementary operator allocations were not read in this pass. Authorship is not an individual surgical outcome series.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/mics186.json","published_at":"2024-08-09","doi":"10.1016/j.athoracsur.2024.06.037","authors":"Verevkin A, Von Aspern K, Tolboom H, Gadelkarim I, Etz C, Misfeld M, Borger MA, Davierwala PM."},"pd-adult-lansac375":{"title":"External aortic annuloplasty with a dedicated expansible ring improves outcomes in remodeling root repair compared with homemade Dacron ring.","publisher":"The Journal of thoracic and cardiovascular surgery","url":"https://pubmed.ncbi.nlm.nih.gov/38914371/","read_at":"2026-10-08","kind":"original study abstract and author/affiliation record","support":"Abstract body and authorship inspected; numerical claims below are restricted to the reported endpoint and population.","limitations":"Full manuscript and supplementary operator allocations were not read in this pass. Authorship is not an individual surgical outcome series.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/lansac375.json","published_at":"2024-06-22","doi":"10.1016/j.jtcvs.2024.06.013","authors":"Shraer N, Youssefi P, Garufi L, Debauchez M, Lansac E."},"pd-adult-hughes71":{"title":"Mid-term outcomes of aortic valve repair using an anatomically shaped internal annuloplasty ring.","publisher":"European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery","url":"https://pubmed.ncbi.nlm.nih.gov/38006340/","read_at":"2026-10-08","kind":"original study abstract and author/affiliation record","support":"Abstract body and authorship inspected; numerical claims below are restricted to the reported endpoint and population.","limitations":"Full manuscript and supplementary operator allocations were not read in this pass. Authorship is not an individual surgical outcome series.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/hughes71.json","published_at":"2023-12-01","doi":"10.1093/ejcts/ezad395","authors":"Jarral OA, Jensen CW, Doberne JW, Downey PS, Serfas JD, Vekstein AM, Hughes GC."},"volume-david-allcardiac-2015":{"id":"volume-david-allcardiac-2015","title":"Changing the way cardiac surgery is practiced","url":"https://www.uhn.ca/PMCC/About/Globe_Mail/Pages/changing_cardiac_surgery_way_globe-2015.aspx","publisher":"Institution / clinical programme","published":"2015","read_at":"2026-10-08","source_type":"Reported clinical activity; scope shown with figure"}}}