{"schema_version":"bookimed.page-context.v1","id":"doctor-nicholas-smedira","url":"https://hub.bookimed.com/heart-surgery/doctor-nicholas-smedira/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-nicholas-smedira.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":"doctor-profile","title":"Nicholas Smedira: septal myectomy at Cleveland Clinic","summary":"Nicholas Smedira is a Cleveland Clinic myectomy specialist. The centre’s HCM evidence is particularly informative when obstruction involves the mitral valve or its supporting muscles alongside a thickened septum.","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":"Myectomy is a named focus","text":"Cleveland’s official profile specifically identifies HCM treatment and myectomy in Smedira’s practice.","sources":["rank-smedira-current"]},{"label":"Combined anatomical correction","text":"The 2005–2015 centre series included 522 operations combining myectomy with mitral or subvalvular intervention.","sources":["rank-cleveland1559"]},{"label":"Thinner septum can still accompany complex obstruction","text":"Patients receiving mitral intervention had thinner septums on average than those without it, underscoring the importance of the valve apparatus.","sources":["rank-cleveland1559"]}],"benefits":[{"text":"Cleveland’s HCM work includes correction of the valve and its supporting structures when septal muscle removal alone does not address the entire anatomy.","sources":["rank-cleveland1559"]}],"limitations":[{"text":"The report contains 1,530 myectomy-containing operations plus 29 mitral-only operations. Smedira is a coauthor and current specialist; the abstract’s unnamed single operator cannot automatically be identified as him.","sources":["rank-smedira-current","rank-cleveland1559"]}],"sections":[{"id":"benefit-balance","title":"Benefits and limitations","text":"Benefits and limitations Potential advantages Cleveland’s HCM work includes correction of the valve and its supporting structures when septal muscle removal alone does not address the entire anatomy. Sources: Surgical management of LVOT obstruction in a specialized HOCM center Trade-offs and limits The report contains 1,530 myectomy-containing operations plus 29 mitral-only operations. Smedira is a coauthor and current specialist; the abstract’s unnamed single operator cannot automatically be identified as him. Sources: Nicholas Smedira, MD — Cleveland Clinic · Surgical management of LVOT obstruction in a specialized HOCM center","links":[{"label":"Surgical management of LVOT obstruction in a specialized HOCM center","url":"https://doi.org/10.1016/j.jtcvs.2018.11.148"},{"label":"Nicholas Smedira, MD — Cleveland Clinic","url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212"},{"label":"Surgical management of LVOT obstruction in a specialized HOCM center","url":"https://doi.org/10.1016/j.jtcvs.2018.11.148"}]},{"id":"research","title":"Procedure-specific research","text":"Procedure-specific research A broad surgical series that includes mitral and subvalvular correction. 1,530 myectomy-containing operations. 2005–2015 · study published 2019. 522 operations combined myectomy with mitral or subvalvular intervention. Those patients had thinner septums on average than patients without mitral intervention. Perioperative outcomes in the primary abstract; no comparable long-term duration extracted. How to interpret this: Smedira is a currently listed myectomy specialist and study coauthor. The primary abstract says one surgeon, but does not name that operator. These are programme-study results. 1,530 is derived from 586 isolated + 522 with mitral/subvalvular work + 422 with other procedures. Another 29 operations were mitral-only. This is not current annual volume. Sources: Surgical management of LVOT obstruction in a specialized HOCM center · Nicholas Smedira, MD — Cleveland Clinic","links":[{"label":"Surgical management of LVOT obstruction in a specialized HOCM center","url":"https://doi.org/10.1016/j.jtcvs.2018.11.148"},{"label":"Nicholas Smedira, MD — Cleveland Clinic","url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212"}]},{"id":"team","title":"Clinical programme","text":"Clinical programme Cleveland Clinic → Cleveland, Ohio, United States Cleveland’s cardiac services bring together different expertise: Gillinov’s mitral/robotic work, Smedira’s myectomy practice, Kapadia’s catheter valve treatment and Unai’s endocarditis and redo reconstruction. Its published cohorts show why valve anatomy and supporting tissues can matter as much as the incision. Sources: Surgical management of left ventricular outflow tract obstruction in a specialized hypertrophic obstructive cardiomyopathy center · Early results of robotically assisted mitral valve surgery: Analysis of the first 1000 cases · Samir Kapadia, MD · Shinya Unai, MD — cardiac surgery profile · Mitral and Tricuspid Valve Center · Robotically Assisted Mitral Valve Repair: Patient Applications Grow · Nicholas Smedira — current clinical profile · Transcatheter or Surgical Aortic-Valve Replacement in Low-Risk Patients at 7 Years. · The Hidden Burden of Native Aortic Valve Endocarditis: Reevaluating Diagnostic and Pathologic Challenges. · Mitral valve abscess: echocardiographic imaging, microbiology, management, and outcomes. Explore the programme and other specialists →","links":[{"label":"Cleveland Clinic →","url":"https://hub.bookimed.com/heart-surgery/clinic-cleveland/"},{"label":"Surgical management of left ventricular outflow tract obstruction in a specialized hypertrophic obstructive cardiomyopathy center","url":"https://doi.org/10.1016/j.jtcvs.2018.11.148"},{"label":"Early results of robotically assisted mitral valve surgery: Analysis of the first 1000 cases","url":"https://pubmed.ncbi.nlm.nih.gov/28893396/"},{"label":"Samir Kapadia, MD","url":"https://my.clevelandclinic.org/staff/5003-samir-kapadia"},{"label":"Shinya Unai, MD — cardiac surgery profile","url":"https://providers.clevelandclinic.org/provider/shinya-unai/4268207"},{"label":"Mitral and Tricuspid Valve Center","url":"https://my.clevelandclinic.org/departments/heart/depts/mitral-and-tricuspid-valve-center"},{"label":"Robotically Assisted Mitral Valve Repair: Patient Applications Grow","url":"https://consultqd.clevelandclinic.org/robotically-assisted-mitral-valve-repair-patient-applications-grow"},{"label":"Nicholas Smedira — current clinical profile","url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212"},{"label":"Transcatheter or Surgical Aortic-Valve Replacement in Low-Risk Patients at 7 Years.","url":"https://pubmed.ncbi.nlm.nih.gov/41144631/"},{"label":"The Hidden Burden of Native Aortic Valve Endocarditis: Reevaluating Diagnostic and Pathologic Challenges.","url":"https://pubmed.ncbi.nlm.nih.gov/41482022/"},{"label":"Mitral valve abscess: echocardiographic imaging, microbiology, management, and outcomes.","url":"https://pubmed.ncbi.nlm.nih.gov/42394651/"},{"label":"Explore the programme and other specialists →","url":"https://hub.bookimed.com/heart-surgery/clinic-cleveland/"}]},{"id":"treatment-programmes","title":"Treatment programmes and package prices","text":"Treatment programmes and package prices Cleveland, United States Nicholas Smedira · complex HCM surgery ↗ Nicholas Smedira Cleveland Clinic HCM Center Specialist HCM imaging and myectomy that can also correct mitral-leaflet or papillary-muscle causes of obstruction. Quote on request Individual estimate after assessment. A historical series of 1,559 LVOT operations, including 1,530 myectomies and 522 myectomies with mitral or subvalvular intervention. See method, care and package ↗ Treatment programmes ↗","links":[{"label":"Nicholas Smedira · complex HCM surgery ↗","url":"https://hub.bookimed.com/heart-surgery/programme-cleveland-hcm/"},{"label":"See method, care and package ↗","url":"https://hub.bookimed.com/heart-surgery/programme-cleveland-hcm/"},{"label":"Treatment programmes ↗","url":"https://hub.bookimed.com/heart-surgery/treatment-programmes/"}]}],"introduction":"Heart surgery guide / Nicholas Smedira Nicholas Smedira · Decision guide Nicholas Smedira: septal myectomy at Cleveland Clinic Myectomy with attention to mitral and subvalvular anatomy · Cleveland, Ohio, United States Research by Yevhenii Kozlov · Co-Founder of Bookimed Updated 8 October 2026 Sources linked throughout At a glance Nicholas Smedira is a Cleveland Clinic myectomy specialist. The centre’s HCM evidence is particularly informative when obstruction involves the mitral valve or its supporting muscles alongside a thickened septum. Myectomy is a named focus Cleveland’s official profile specifically identifies HCM treatment and myectomy in Smedira’s practice. Sources: Nicholas Smedira, MD — Cleveland Clinic Combined anatomical correction The 2005–2015 centre series included 522 operations combining myectomy with mitral or subvalvular intervention. Sources: Surgical management of LVOT obstruction in a specialized HOCM center Thinner septum can still accompany complex obstruction Patients receiving mitral intervention had thinner septums on average than those without it, underscoring the importance of the valve apparatus. Sources: Surgical management of LVOT obstruction in a specialized HOCM center Portrait source ↗ cardiac surgeon Nicholas Smedira Cleveland Clinic → Cardiothoracic surgeon; myectomy specialist on the official Cleveland Clinic profile Cardiothoracic surgeon; myectomy specialist on the official Cleveland Clinic profile · Cleveland, Ohio, United States. Read the clinical or research source ↗ Reported surgical experience 201 septal myectomies Programme operations · Calendar year 2024 · published 2025-08-27 · counting date 2024-12-31 Programme total across septal approaches, including operations with associated procedures. Cleveland Clinic 2024 HOCM data highlights ↗ · source read 2026-10-08 2,000+ septal myectomies Personal participation · Cumulative participation; myectomy-specific start and cutoff not stated The institutional profile attributes participation in septal myectomies to Smedira; it does not allocate all cases to him as sole operator. Dr. Nicholas Smedira, MD - Cleveland, OH - Cardiac Surgery - Request Appointment ↗ · source read 2026-10-08 3,500+ septal myectomies Programme operations · 2002–2021; exact boundary dates not specified Cleveland programme experience across 2002–2021, described by Milind Desai in an official clinical discussion. It is separate from Smedira’s personal participation count. Surgical Myectomy for Hypertrophic Cardiomyopathy ↗ · source read 2026-10-08 Compare septal myectomy experience →","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":"hcm-myectomy","title":"Septal myectomy for obstructive HCM: compare treatment options","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/hcm-myectomy/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/hcm-myectomy.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":"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":"clinic-cleveland","title":"Cleveland Clinic: heart surgery expertise","kind":"clinic-profile","url":"https://hub.bookimed.com/heart-surgery/clinic-cleveland/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/clinic-cleveland.json"},{"id":"septal-myectomy-surgeon-comparison","title":"HCM and septal myectomy surgeon rankings: experience, methods and results","kind":"evidence-directory","url":"https://hub.bookimed.com/heart-surgery/septal-myectomy-surgeon-comparison/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/septal-myectomy-surgeon-comparison.json"},{"id":"treatment-programmes","title":"Heart surgery treatment programmes: doctors, packages and costs","kind":"treatment-listing","url":"https://hub.bookimed.com/heart-surgery/treatment-programmes/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/treatment-programmes.json"},{"id":"programme-cleveland-hcm","title":"Nicholas Smedira at Cleveland Clinic: HCM myectomy, care and cost","kind":"treatment-programme","url":"https://hub.bookimed.com/heart-surgery/programme-cleveland-hcm/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/programme-cleveland-hcm.json"}],"entity":{"id":"nicholas-smedira","name":"Nicholas Smedira","programme_id":"cleveland","role":"Cardiothoracic surgeon; myectomy specialist on the official Cleveland Clinic profile","procedure_relevance":["septal myectomy","HCM surgical treatment"],"source_ids":["rank-smedira-current","rank-cleveland1559"],"topics":["hcm"],"discipline":"cardiac surgeon","official_url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212","profile":{"intro":"Nicholas Smedira is a Cleveland Clinic myectomy specialist. The centre’s HCM evidence is particularly informative when obstruction involves the mitral valve or its supporting muscles alongside a thickened septum.","clinical_focus":[{"label":"Myectomy is a named focus","text":"Cleveland’s official profile specifically identifies HCM treatment and myectomy in Smedira’s practice.","source_ids":["rank-smedira-current"]},{"label":"Combined anatomical correction","text":"The 2005–2015 centre series included 522 operations combining myectomy with mitral or subvalvular intervention.","source_ids":["rank-cleveland1559"]},{"label":"Thinner septum can still accompany complex obstruction","text":"Patients receiving mitral intervention had thinner septums on average than those without it, underscoring the importance of the valve apparatus.","source_ids":["rank-cleveland1559"]}],"evidence":[{"title":"A broad surgical series that includes mitral and subvalvular correction.","summary":"1,530 myectomy-containing operations. 2005–2015 · study published 2019. 522 operations combined myectomy with mitral or subvalvular intervention. Those patients had thinner septums on average than patients without mitral intervention. Perioperative outcomes in the primary abstract; no comparable long-term duration extracted.","limitations":"Smedira is a currently listed myectomy specialist and study coauthor. The primary abstract says one surgeon, but does not name that operator. These are programme-study results. 1,530 is derived from 586 isolated + 522 with mitral/subvalvular work + 422 with other procedures. Another 29 operations were mitral-only. This is not current annual volume.","source_ids":["rank-cleveland1559","rank-smedira-current"]}],"consultation_questions":[],"current_role_note":"Cardiothoracic surgeon; myectomy specialist on the official Cleveland Clinic profile · Cleveland, Ohio, United States.","source_basis":"Published study and current clinical profile","key_takeaways":[{"label":"Myectomy is a named focus","text":"Cleveland’s official profile specifically identifies HCM treatment and myectomy in Smedira’s practice.","sources":["rank-smedira-current"]},{"label":"Combined anatomical correction","text":"The 2005–2015 centre series included 522 operations combining myectomy with mitral or subvalvular intervention.","sources":["rank-cleveland1559"]},{"label":"Thinner septum can still accompany complex obstruction","text":"Patients receiving mitral intervention had thinner septums on average than those without it, underscoring the importance of the valve apparatus.","sources":["rank-cleveland1559"]}],"benefits":[{"text":"Cleveland’s HCM work includes correction of the valve and its supporting structures when septal muscle removal alone does not address the entire anatomy.","sources":["rank-cleveland1559"]}],"limitations":[{"text":"The report contains 1,530 myectomy-containing operations plus 29 mitral-only operations. Smedira is a coauthor and current specialist; the abstract’s unnamed single operator cannot automatically be identified as him.","sources":["rank-smedira-current","rank-cleveland1559"]}],"patient_sections":[{"id":"benefit-balance","title":"Benefits and limitations","paragraphs":[],"items":[],"sources":[],"kind":"benefit-balance","links":[],"table":null},{"id":"research","title":"Procedure-specific research","paragraphs":[],"items":[],"sources":[],"kind":"doctor-evidence","links":[],"table":null},{"id":"team","title":"Clinical programme","paragraphs":[],"items":[],"sources":[],"kind":"doctor-clinic","links":[],"table":null},{"id":"treatment-programmes","title":"Treatment programmes and package prices","paragraphs":[],"items":[],"sources":[],"kind":"treatment-related","links":["treatment-programmes"],"table":null}]},"headline":"septal myectomy at Cleveland Clinic","profile_slug":"doctor-nicholas-smedira","portrait":{"url":"https://hub.bookimed.com/wp-content/uploads/2026/10/nicholas-smedira-240x300.jpg","source_page":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212","width":1200,"height":1500,"alt":"Nicholas Smedira — official portrait"}},"ranking":{"engine_version":"reported-volume-v1","facts_digest":"b2057ed11422aaf9ecbef7849da5e5c2be583ed36f70e64a8a183767f7154fef","calculated_at":"2026-10-08","facts":[{"id":"cleveland-2024-myectomy","provider_id":"nicholas-smedira","family":"hcm","subject_scope":"programme","measurement":"annual","procedure":"septal_myectomy","inclusion_scope":"isolated-and-combined","value":201,"relation":"exact","display":"201","unit":"Septal myectomy with or without other procedures for HOCM","period_label":"Calendar year 2024","reported_as_of":"2024-12-31","method":"Programme total across septal approaches, including operations with associated procedures.","period_start":"2024-01-01","period_end":"2024-12-31","year":2024,"source":{"url":"https://consultqd.clevelandclinic.org/outcome-snapshots-thoracic-surgery-lung-transplant-more","title":"Cleveland Clinic 2024 HOCM data highlights","publisher":"Institution / clinical programme","published":"2025-08-27"},"checked_at":"2026-10-08"},{"id":"hcm-yong-cui-programme-annual-2024-over250","provider_id":"yong-cui","family":"hcm","subject_scope":"programme","measurement":"annual","procedure":"septal_myectomy","value":250,"relation":"more_than","display":"250+","period_label":"Calendar year 2024","reported_as_of":"2024-12-31","year":2024,"period_start":"2024-01-01","period_end":"2024-12-31","method":"Right infra-axillary modified-Morrow myectomies. This technique-specific count is a minimum for the programme’s total myectomy activity; other approaches are not included.","programme_id":"zhejiang","excluded_from_surgeon_operator_ranking":true,"source":{"title":"心有“勇”术｜崔勇：寻道创新，微步致远","publisher":"严道医声网","published":"2025-01-31","url":"https://www.drvoice.cn/article/16542"},"checked_at":"2026-10-08","inclusion_scope":"isolated-and-combined","research_executor":"installed local Hermes AIAgent"},{"id":"hcm-nicholas-smedira-participation-over2000","provider_id":"nicholas-smedira","family":"hcm","subject_scope":"surgeon_participation","measurement":"cumulative","procedure":"septal_myectomy","value":2000,"relation":"more_than","display":"2,000+","period_label":"Cumulative participation; myectomy-specific start and cutoff not stated","reported_as_of":null,"method":"The institutional profile attributes participation in septal myectomies to Smedira; it does not allocate all cases to him as sole operator.","programme_id":"cleveland","excluded_from_surgeon_operator_ranking":true,"source":{"title":"Dr. Nicholas Smedira, MD - Cleveland, OH - Cardiac Surgery - Request Appointment","publisher":"Cleveland Clinic","published":null,"url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212"},"checked_at":"2026-10-08","inclusion_scope":"isolated-and-combined","research_executor":"installed local Hermes AIAgent"},{"id":"hcm-nicholas-smedira-programme-period-over3500","provider_id":"nicholas-smedira","family":"hcm","subject_scope":"programme","measurement":"period_volume","procedure":"septal_myectomy","value":3500,"relation":"more_than","display":"3,500+","period_label":"2002–2021; exact boundary dates not specified","reported_as_of":null,"method":"Cleveland programme experience across 2002–2021, described by Milind Desai in an official clinical discussion. It is separate from Smedira’s personal participation count.","programme_id":"cleveland","excluded_from_surgeon_operator_ranking":true,"source":{"title":"Surgical Myectomy for Hypertrophic Cardiomyopathy","publisher":"Cleveland Clinic, Cardiac Consult","published":null,"url":"https://my.clevelandclinic.org/podcasts/cardiac-consult/surgical-myectomy-for-hypertrophic-cardiomyopathy"},"checked_at":"2026-10-08","inclusion_scope":"isolated-and-combined","period_start":"2002","period_end":"2021","research_executor":"installed local Hermes AIAgent"}],"views":[{"id":"hcm-programme-annual-septal-myectomy-isolated-and-combined-2024","family":"hcm","scope":"programme","measurement":"annual","procedure":"septal_myectomy","year":2024,"title":"Programme operations · 2024 · septal myectomies","ranked":true,"count":2,"rows":[{"provider_id":"yong-cui","fact_id":"hcm-yong-cui-programme-annual-2024-over250","position":1,"position_min":1,"position_max":1,"value":250,"display":"250+","period":"Calendar year 2024","scope":"programme","procedure":"septal_myectomy","method":"Right infra-axillary modified-Morrow myectomies. This technique-specific count is a minimum for the programme’s total myectomy activity; other approaches are not included.","source_url":"https://www.drvoice.cn/article/16542"},{"provider_id":"nicholas-smedira","fact_id":"cleveland-2024-myectomy","position":2,"position_min":2,"position_max":2,"value":201,"display":"201","period":"Calendar year 2024","scope":"programme","procedure":"septal_myectomy","method":"Programme total across septal approaches, including operations with associated procedures.","source_url":"https://consultqd.clevelandclinic.org/outcome-snapshots-thoracic-surgery-lung-transplant-more"}]},{"id":"hcm-surgeon-participation-cumulative-septal-myectomy-isolated-and-combined","family":"hcm","scope":"surgeon_participation","measurement":"cumulative","procedure":"septal_myectomy","year":null,"title":"Personal participation · Cumulative reported experience · septal myectomies","ranked":false,"count":1,"rows":[{"provider_id":"nicholas-smedira","fact_id":"hcm-nicholas-smedira-participation-over2000","position":null,"position_min":1,"position_max":1,"value":2000,"display":"2,000+","period":"Cumulative participation; myectomy-specific start and cutoff not stated","scope":"surgeon_participation","procedure":"septal_myectomy","method":"The institutional profile attributes participation in septal myectomies to Smedira; it does not allocate all cases to him as sole operator.","source_url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212"}]}],"providers":[{"id":"yong-cui","name":"Yong Cui","clinic_id":"zhejiang","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-yong-cui.json"},{"id":"nicholas-smedira","name":"Nicholas Smedira","clinic_id":"cleveland","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-nicholas-smedira.json"}],"excluded":[{"fact_id":"hcm-nicholas-smedira-programme-period-over3500","reason":"study or non-calendar period"}],"default_views":{"hcm":"hcm-programme-annual-septal-myectomy-isolated-and-combined-2024"},"coverage":[{"provider_id":"yong-cui","family":"hcm","gaps":["No independently allocated surgeon-only cumulative count.","No current daily operating tally.","Undated practice sites differ in labelling 1,000+ as HCM myectomies versus MESM."],"source_ids":["rank-cui148","rank-cui100","cui-2024-volume"],"unresolved_source_ids":["cui-mesm","cui-practice"]},{"provider_id":"nicholas-smedira","family":"hcm","gaps":["Official personal claim uses participated; no sole-operator current cumulative tally.","2024 annual count belongs to programme."],"source_ids":["rank-cleveland1559"],"unresolved_source_ids":["smedira-official","cleveland-2024"]}]},"sources":{"cleveland-programme":{"id":"cleveland-programme","title":"Mitral and Tricuspid Valve Center | Cleveland Clinic","url":"https://my.clevelandclinic.org/departments/heart/depts/mitral-and-tricuspid-valve-center","read_at":"2026-10-07","source_type":"official_hospital"},"rank-cui148":{"id":"rank-cui148","title":"An innovative minimally invasive approach for HOCM: transaortic septal myectomy via right infra-axillary incision","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC11632347/","read_at":"2026-10-07","source_kind":"primary_study","body_access":"full_text_XML_read","support_location":"Methods; Results; Tables1–2; Limitations; author affiliations","short_excerpt":"148 consecutive patients with symptomatic HOCM","source_type":"primary_study"},"rank-cui100":{"id":"rank-cui100","title":"Minimally Invasive Electro Septal Myectomy for HOCM Through a Right Infra-Axillary Incision","url":"https://doi.org/10.1016/j.athoracsur.2025.09.023","read_at":"2026-10-07","source_kind":"primary_study","body_access":"primary_abstract_read_full_text_subscription","support_location":"PubMed41109584 abstract; online2025, printMay2026","short_excerpt":"The cohort comprised 100 patients","source_type":"primary_study"},"rank-cleveland1559":{"id":"rank-cleveland1559","title":"Surgical management of LVOT obstruction in a specialized HOCM center","url":"https://doi.org/10.1016/j.jtcvs.2018.11.148","read_at":"2026-10-07","source_kind":"primary_study","body_access":"primary_abstract_read_full_text_subscription","support_location":"PubMed30782406; Methods/Results","short_excerpt":"1559 consecutive operations for left ventricular outflow tract obstruction","source_type":"primary_study"},"rank-smedira-current":{"id":"rank-smedira-current","title":"Nicholas Smedira, MD — Cleveland Clinic","url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212","read_at":"2026-10-07","source_kind":"official_hospital_profile","body_access":"full_page_read","support_location":"Biography; Specialty interests; Number of Procedures Performed; Locations","short_excerpt":"including 350 heart transplants and more than 2,000 septal myectomies","source_type":"official_hospital_profile"},"mitral-cleveland-robotic-learning-0":{"url":"https://pubmed.ncbi.nlm.nih.gov/28893396/","doi":"10.1016/j.jtcvs.2017.07.037","title":"Early results of robotically assisted mitral valve surgery: Analysis of the first 1000 cases","published":"2018 issue; 2017 online","access_note":"Primary abstract text acquired in web search; direct PubMed route returned a cookies challenge. Full article not inspected. Recovery via Europe PMC attempted.","id":"mitral-cleveland-robotic-learning-0","publisher":"Primary journal article","read_at":"2026-10-07","source_type":"Institutional first1000 robotic operations; primary journal abstract plus current official programme body"},"cleveland-valve-center":{"url":"https://my.clevelandclinic.org/departments/heart/depts/mitral-and-tricuspid-valve-center","title":"Mitral and Tricuspid Valve Center","publisher":"Cleveland Clinic"},"cleveland-smedira":{"url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212","title":"Nicholas Smedira — current clinical profile","publisher":"Cleveland Clinic"},"cleveland-robotic-current":{"url":"https://consultqd.clevelandclinic.org/robotically-assisted-mitral-valve-repair-patient-applications-grow","title":"Robotically Assisted Mitral Valve Repair: Patient Applications Grow","publisher":"Cleveland Clinic"},"cleveland-hcm1559":{"url":"https://doi.org/10.1016/j.jtcvs.2018.11.148","title":"Surgical management of left ventricular outflow tract obstruction in a specialized hypertrophic obstructive cardiomyopathy center","publisher":"Journal of Thoracic and Cardiovascular Surgery"},"cleveland-mitral1000":{"url":"https://pubmed.ncbi.nlm.nih.gov/28893396/","title":"Early results of robotically assisted mitral valve surgery: Analysis of the first 1000 cases","publisher":"Journal of Thoracic and Cardiovascular Surgery"},"ax-partner3-seven":{"id":"ax-partner3-seven","title":"Transcatheter or Surgical Aortic-Valve Replacement in Low-Risk Patients at 7 Years","url":"https://pubmed.ncbi.nlm.nih.gov/41144631/","publisher":"New England Journal of Medicine","published":"2025-10-27 online; 2026-02-19 issue","read_at":"2026-10-08","source_type":"Primary randomized trial follow-up","source_kind":"Primary randomized trial follow-up","body_access":"complete_original_abstract_read_via_Europe_PMC","support_location":"Original abstract Methods, Results and Conclusions","doi":"10.1056/NEJMoa2509766","body_file":"sources/partner3.json","access_limit":"NEJM full-text route returned 403. Complete original abstract read via Europe PMC. No device-specific leakage/pacemaker comparison extracted from an unread supplement."},"pd-adult-kapadia-official":{"title":"Samir Kapadia, MD","publisher":"Cleveland Clinic","url":"https://my.clevelandclinic.org/staff/5003-samir-kapadia","read_at":"2026-10-08","kind":"official provider or programme page","support":"Current cardiovascular medicine chair; interventional cardiologist, TAVR and complex coronary intervention 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/kapadia-official.txt"},"pd-adult-partner3":{"title":"Transcatheter or Surgical Aortic-Valve Replacement in Low-Risk Patients at 7 Years.","publisher":"The New England journal of medicine","url":"https://pubmed.ncbi.nlm.nih.gov/41144631/","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/partner3.json","published_at":"2025-10-27","doi":"10.1056/nejmoa2509766","authors":"Leon MB, Mack MJ, Pibarot P, Hahn RT, Thourani VH, Kodali SH, Généreux P, Kapadia SR, Cohen DJ, Pocock SJ, Zhang Y, Szerlip M, Ternacle J, Malaisrie SC, Herrmann HC, Szeto WY, Russo MJ, Babaliaros V, Nazif T, Webb JG, Makkar RR, PARTNER 3 Investigators."},"SP13":{"title":"Shinya Unai, MD — cardiac surgery profile","publisher":"Cleveland Clinic","url":"https://providers.clevelandclinic.org/provider/shinya-unai/4268207","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/unai-profile.txt","supports":"Current Main Campus surgeon, complex reoperative surgery, endocarditis, aortic/root reconstruction, transplantation and LVAD clinical interests.","limitations":"Hospital and all-surgeon volume/quality statements are not personal procedure-specific results; omitted from candidate."},"SP21":{"title":"The Hidden Burden of Native Aortic Valve Endocarditis: Reevaluating Diagnostic and Pathologic Challenges.","publisher":"The Annals of thoracic surgery","url":"https://pubmed.ncbi.nlm.nih.gov/41482022/","read_at":"2026-10-08","published_at":"2025-12-31","doi":"10.1016/j.athoracsur.2025.12.007","pmid":"41482022","source_kind":"primary-research-abstract","local_body":"/Users/eugen/Projects/frankenstein-agentic-framework/outputs/heart-surgery-hub-20261007/review/provider-depth/specialties/sources/pmid-41482022.json","supports":"Cleveland native aortic valve endocarditis cohort 2002–2020: invasive disease can escape preoperative imaging and require complex reconstruction; Unai coauthor.","limitations":"Historical referral-centre surgical cohort; not all endocarditis patients or personal results."},"SP22":{"title":"Mitral valve abscess: echocardiographic imaging, microbiology, management, and outcomes.","publisher":"European heart journal. Imaging methods and practice","url":"https://pubmed.ncbi.nlm.nih.gov/42394651/","read_at":"2026-10-08","published_at":"2026-07-02","doi":"10.1093/ehjimp/qyag112","pmid":"42394651","source_kind":"primary-research-abstract","local_body":"/Users/eugen/Projects/frankenstein-agentic-framework/outputs/heart-surgery-hub-20261007/review/provider-depth/specialties/sources/pmid-42394651.json","supports":"Cleveland mitral abscess series of 154 adults from databases spanning 2002–2020 and 2010–2020; complex reconstruction and substantial risk; Unai coauthor.","limitations":"Variable follow-up. The 71% total-follow-up mortality is not a fixed-year rate. Programme series, not Unai personal operations; published 2026 does not make cohort current."},"tp-cleveland":{"title":"Cleveland: 1,559 operations in a specialised HCM centre","url":"https://doi.org/10.1016/j.jtcvs.2018.11.148","kind":"primary clinical study; prior research edition","checked":"2026-10-08","accessed":"2026-10-08"},"pc-smedira-current":{"title":"Current official surgeon profile","url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212","kind":"official hospital page","checked":"2026-10-08","accessed":"2026-10-08"},"pc-cleveland-podcast":{"title":"Desai and Smedira: diagnostic and surgical decision-making","url":"https://my.clevelandclinic.org/podcasts/cardiac-consult/surgical-myectomy-for-hypertrophic-cardiomyopathy","kind":"official hospital page","checked":"2026-10-08","accessed":"2026-10-08"},"cui-2024-volume":{"title":"Cui team: 2024 annual clinical activity report (published 31 January 2025)","url":"https://www.drvoice.cn/article/16542","read_at":"2026-10-08","source_type":"provider_authored_activity_report","published":"2025-01-31","support_location":"Technical innovation: more than 250 right infra-axillary modified-Morrow operations in 2024"},"volume-cleveland-2024-myectomy":{"id":"volume-cleveland-2024-myectomy","title":"Cleveland Clinic 2024 HOCM data highlights","url":"https://consultqd.clevelandclinic.org/outcome-snapshots-thoracic-surgery-lung-transplant-more","publisher":"Institution / clinical programme","published":"2025-08-27","read_at":"2026-10-08","source_type":"Reported clinical activity; scope shown with figure"},"volume-hcm-yong-cui-programme-annual-2024-over250":{"id":"volume-hcm-yong-cui-programme-annual-2024-over250","title":"心有“勇”术｜崔勇：寻道创新，微步致远","url":"https://www.drvoice.cn/article/16542","publisher":"严道医声网","published":"2025-01-31","read_at":"2026-10-08","source_type":"Reported clinical activity; scope shown with figure"},"volume-hcm-nicholas-smedira-participation-over2000":{"id":"volume-hcm-nicholas-smedira-participation-over2000","title":"Dr. Nicholas Smedira, MD - Cleveland, OH - Cardiac Surgery - Request Appointment","url":"https://providers.clevelandclinic.org/provider/nicholas-smedira/4268212","publisher":"Cleveland Clinic","published":null,"read_at":"2026-10-08","source_type":"Reported clinical activity; scope shown with figure"},"volume-hcm-nicholas-smedira-programme-period-over3500":{"id":"volume-hcm-nicholas-smedira-programme-period-over3500","title":"Surgical Myectomy for Hypertrophic Cardiomyopathy","url":"https://my.clevelandclinic.org/podcasts/cardiac-consult/surgical-myectomy-for-hypertrophic-cardiomyopathy","publisher":"Cleveland Clinic, Cardiac Consult","published":null,"read_at":"2026-10-08","source_type":"Reported clinical activity; scope shown with figure"}}}