{"schema_version":"bookimed.page-context.v1","id":"doctor-joanna-chikwe","url":"https://hub.bookimed.com/heart-surgery/doctor-joanna-chikwe/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/doctor-joanna-chikwe.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":"Joanna Chikwe: robotic mitral repair and Barlow disease","summary":"Joanna Chikwe chairs cardiac surgery at Cedars-Sinai’s Smidt Heart Institute. Her coauthored studies distinguish routine degenerative prolapse from complex Barlow disease and follow recurrent leakage as well as repair completion.","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":"Large institutional repair series","text":"Across four surgeons and 1,410 robotic operations, 1,234 of 1,237 degenerative valves were repaired; operative mortality overall was 0.3%.","sources":["pd-adult-chikwe1400"]},{"label":"Complex anatomy has different follow-up","text":"A separate analysis included 111 Barlow cases within a 924-patient registry and identified Barlow disease as a predictor of late failure.","sources":["pd-adult-chikwebarlow111"]},{"label":"Durability endpoint","text":"For Barlow cases, reported five-year survival free from greater-than-moderate leakage was 92%, with a wide 80.2%–98.1% confidence interval.","sources":["pd-adult-chikwebarlow111"]}],"benefits":[{"text":"Her programme’s repair evidence separates common prolapse from Barlow disease and measures recurrent leakage, making the published results more anatomically informative.","sources":["pd-adult-chikwebarlow111"]}],"limitations":[{"text":"These are historical programme results involving several surgeons, not 1,410 operations by Chikwe. Most degenerative cases in the larger registry had isolated P2 prolapse; complex lesions should not inherit that average.","sources":["pd-adult-chikwe1400","pd-adult-chikwebarlow111","pd-adult-chikwe-pulse","pd-adult-chikwe-clinical"]}],"sections":[{"id":"benefit-balance","title":"Benefits and limitations","text":"Benefits and limitations Potential advantages Her programme’s repair evidence separates common prolapse from Barlow disease and measures recurrent leakage, making the published results more anatomically informative. Sources: Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability. Trade-offs and limits These are historical programme results involving several surgeons, not 1,410 operations by Chikwe. Most degenerative cases in the larger registry had isolated P2 prolapse; complex lesions should not inherit that average. Sources: Eliminating the learning curve in robotic mitral valve repair: Results from 1400 patients. · Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability. · Joanna Chikwe, MD · Joanna Chikwe clinical profile","links":[{"label":"Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability.","url":"https://pubmed.ncbi.nlm.nih.gov/35803829/"},{"label":"Eliminating the learning curve in robotic mitral valve repair: Results from 1400 patients.","url":"https://pubmed.ncbi.nlm.nih.gov/41177574/"},{"label":"Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability.","url":"https://pubmed.ncbi.nlm.nih.gov/35803829/"},{"label":"Joanna Chikwe, MD","url":"https://pulse.cedars-sinai.org/participant/joanna-chikwe-md"},{"label":"Joanna Chikwe clinical profile","url":"https://www.cedars-sinai.org/provider/joanna-chikwe-2111380.html"}]},{"id":"research","title":"Procedure-specific research","text":"Procedure-specific research A programme of 1,410 robotic mitral operations Chikwe was first author of a 2005–2023 registry study involving four surgeons. Of 1,237 degenerative cases, 1,234 were repaired; overall operative mortality was 0.3%. The report describes favourable outcomes as subsequent surgeons joined an experienced programme. How to interpret this: Historical institutional results across four surgeons, not 1,410 operations by Chikwe. Most degenerative cases had isolated P2 prolapse; results should not be assumed for every complex valve. Sources: Eliminating the learning curve in robotic mitral valve repair: Results from 1400 patients. Barlow durability measured separately The Barlow analysis reported 92% survival free from greater-than-moderate regurgitation at five years, with a wide 95% confidence interval of 80.2%–98.1%. How to interpret this: This endpoint differs from freedom from reoperation and from absence of any residual regurgitation. Nonrandomized programme follow-up. Sources: Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability.","links":[{"label":"Eliminating the learning curve in robotic mitral valve repair: Results from 1400 patients.","url":"https://pubmed.ncbi.nlm.nih.gov/41177574/"},{"label":"Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability.","url":"https://pubmed.ncbi.nlm.nih.gov/35803829/"}]},{"id":"team","title":"Clinical programme","text":"Clinical programme Cedars-Sinai → Los Angeles, United States Cedars-Sinai’s Smidt programme has studied both an expanding robotic team and the durability of complex Barlow repair. Its evidence distinguishes getting a valve repaired from preventing recurrent leakage years later. Sources: Eliminating the learning curve in robotic mitral valve repair: Results from 1400 patients. · Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability. · Joanna Chikwe, MD · Joanna Chikwe clinical profile Explore the programme and other specialists →","links":[{"label":"Cedars-Sinai →","url":"https://hub.bookimed.com/heart-surgery/clinic-cedars-sinai/"},{"label":"Eliminating the learning curve in robotic mitral valve repair: Results from 1400 patients.","url":"https://pubmed.ncbi.nlm.nih.gov/41177574/"},{"label":"Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability.","url":"https://pubmed.ncbi.nlm.nih.gov/35803829/"},{"label":"Joanna Chikwe, MD","url":"https://pulse.cedars-sinai.org/participant/joanna-chikwe-md"},{"label":"Joanna Chikwe clinical profile","url":"https://www.cedars-sinai.org/provider/joanna-chikwe-2111380.html"},{"label":"Explore the programme and other specialists →","url":"https://hub.bookimed.com/heart-surgery/clinic-cedars-sinai/"}]}],"introduction":"Heart surgery guide / Joanna Chikwe Joanna Chikwe · Decision guide Joanna Chikwe: robotic mitral repair and Barlow disease Robotic mitral repair with anatomy-specific durability evidence · Los Angeles, United States Research by Yevhenii Kozlov · Co-Founder of Bookimed Updated 8 October 2026 Sources linked throughout At a glance Joanna Chikwe chairs cardiac surgery at Cedars-Sinai’s Smidt Heart Institute. Her coauthored studies distinguish routine degenerative prolapse from complex Barlow disease and follow recurrent leakage as well as repair completion. Large institutional repair series Across four surgeons and 1,410 robotic operations, 1,234 of 1,237 degenerative valves were repaired; operative mortality overall was 0.3%. Sources: Eliminating the learning curve in robotic mitral valve repair: Results from 1400 patients. Complex anatomy has different follow-up A separate analysis included 111 Barlow cases within a 924-patient registry and identified Barlow disease as a predictor of late failure. Sources: Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability. Durability endpoint For Barlow cases, reported five-year survival free from greater-than-moderate leakage was 92%, with a wide 80.2%–98.1% confidence interval. Sources: Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability. Portrait source ↗ cardiac surgeon Joanna Chikwe Cedars-Sinai → Chair, Department of Cardiac Surgery, Smidt Heart Institute Chair, Department of Cardiac Surgery, Smidt Heart Institute · Los Angeles, United States. Read the clinical or research 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":"minimally-invasive","title":"Minimally invasive and robotic heart surgery","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/minimally-invasive/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/minimally-invasive.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":"mitral-valve-repair","title":"Mitral valve prolapse and regurgitation: repair or replacement?","kind":"guide","url":"https://hub.bookimed.com/heart-surgery/mitral-valve-repair/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/mitral-valve-repair.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-cedars-sinai","title":"Cedars-Sinai: heart surgery expertise","kind":"clinic-profile","url":"https://hub.bookimed.com/heart-surgery/clinic-cedars-sinai/","json_url":"https://hub.bookimed.com/wp-content/uploads/heart-surgery-hub-20261007/pages/clinic-cedars-sinai.json"}],"entity":{"id":"joanna-chikwe","name":"Joanna Chikwe","programme_id":"cedars-sinai","role":"Chair, Department of Cardiac Surgery, Smidt Heart Institute","procedure_relevance":["Degenerative mitral repair, robotic repair and complex prolapse including Barlow disease; coronary revascularization."],"source_ids":["pd-adult-chikwe1400","pd-adult-chikwebarlow111","pd-adult-chikwe-pulse","pd-adult-chikwe-clinical"],"official_url":"https://pulse.cedars-sinai.org/participant/joanna-chikwe-md","discipline":"cardiac surgeon","topic_slugs":["mitral-valve-repair","minimally-invasive","coronary-bypass"],"profile":{"intro":"Joanna Chikwe chairs cardiac surgery at Cedars-Sinai’s Smidt Heart Institute. Her coauthored studies distinguish routine degenerative prolapse from complex Barlow disease and follow recurrent leakage as well as repair completion.","clinical_focus":[{"label":"Large institutional repair series","text":"Across four surgeons and 1,410 robotic operations, 1,234 of 1,237 degenerative valves were repaired; operative mortality overall was 0.3%.","source_ids":["pd-adult-chikwe1400"]},{"label":"Complex anatomy has different follow-up","text":"A separate analysis included 111 Barlow cases within a 924-patient registry and identified Barlow disease as a predictor of late failure.","source_ids":["pd-adult-chikwebarlow111"]},{"label":"Durability endpoint","text":"For Barlow cases, reported five-year survival free from greater-than-moderate leakage was 92%, with a wide 80.2%–98.1% confidence interval.","source_ids":["pd-adult-chikwebarlow111"]}],"evidence":[{"title":"A programme of 1,410 robotic mitral operations","summary":"Chikwe was first author of a 2005–2023 registry study involving four surgeons. Of 1,237 degenerative cases, 1,234 were repaired; overall operative mortality was 0.3%. The report describes favourable outcomes as subsequent surgeons joined an experienced programme.","limitations":"Historical institutional results across four surgeons, not 1,410 operations by Chikwe. Most degenerative cases had isolated P2 prolapse; results should not be assumed for every complex valve.","source_ids":["pd-adult-chikwe1400"]},{"title":"Barlow durability measured separately","summary":"The Barlow analysis reported 92% survival free from greater-than-moderate regurgitation at five years, with a wide 95% confidence interval of 80.2%–98.1%.","limitations":"This endpoint differs from freedom from reoperation and from absence of any residual regurgitation. Nonrandomized programme follow-up.","source_ids":["pd-adult-chikwebarlow111"]}],"consultation_questions":[],"current_role_note":"Chair, Department of Cardiac Surgery, Smidt Heart Institute · Los Angeles, United States.","key_takeaways":[{"label":"Large institutional repair series","text":"Across four surgeons and 1,410 robotic operations, 1,234 of 1,237 degenerative valves were repaired; operative mortality overall was 0.3%.","sources":["pd-adult-chikwe1400"]},{"label":"Complex anatomy has different follow-up","text":"A separate analysis included 111 Barlow cases within a 924-patient registry and identified Barlow disease as a predictor of late failure.","sources":["pd-adult-chikwebarlow111"]},{"label":"Durability endpoint","text":"For Barlow cases, reported five-year survival free from greater-than-moderate leakage was 92%, with a wide 80.2%–98.1% confidence interval.","sources":["pd-adult-chikwebarlow111"]}],"benefits":[{"text":"Her programme’s repair evidence separates common prolapse from Barlow disease and measures recurrent leakage, making the published results more anatomically informative.","sources":["pd-adult-chikwebarlow111"]}],"limitations":[{"text":"These are historical programme results involving several surgeons, not 1,410 operations by Chikwe. Most degenerative cases in the larger registry had isolated P2 prolapse; complex lesions should not inherit that average.","sources":["pd-adult-chikwe1400","pd-adult-chikwebarlow111","pd-adult-chikwe-pulse","pd-adult-chikwe-clinical"]}],"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}]},"photo_candidate":{"url":"https://res.cloudinary.com/broadcastmed/image/fetch/q_auto%2Cc_fill%2Cw_293%2Ch_293%2Cg_faces%3Acenter%2Cf_auto/http%3A%2F%2F55933-bcmed.s3.amazonaws.com%2Fbcp%2Fimages%2ForliveParticipant%2FimgSource%2Fjoanna-chikwe-470012.jpg","source_page":"https://pulse.cedars-sinai.org/participant/joanna-chikwe-md","alt":"Portrait of Joanna Chikwe","source_alt":"Joanna Chikwe, MD","provenance":"URL observed on official page; image bytes not downloaded; coordinator to inspect before use."},"topics":["mitral","minimal","valve"],"headline":"robotic mitral repair and Barlow disease","profile_slug":"doctor-joanna-chikwe","portrait":{"url":"https://hub.bookimed.com/wp-content/uploads/2026/10/joanna-chikwe.jpg","source_page":"https://pulse.cedars-sinai.org/participant/joanna-chikwe-md","width":293,"height":293,"alt":"Portrait of Joanna Chikwe"}},"sources":{"pd-adult-chikwe-pulse":{"title":"Joanna Chikwe, MD","publisher":"Cedars-Sinai Pulse","url":"https://pulse.cedars-sinai.org/participant/joanna-chikwe-md","read_at":"2026-10-08","kind":"official provider or programme page","support":"Current cardiac surgery chair; mitral repair and coronary revascularization 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. The page contains older publication/editorial counts; those are not used.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/web-body-observations.md"},"pd-adult-chikwe-clinical":{"title":"Joanna Chikwe clinical profile","publisher":"Cedars-Sinai","url":"https://www.cedars-sinai.org/provider/joanna-chikwe-2111380.html","read_at":"2026-10-08","kind":"official provider or programme page","support":"Clinical listing, accepting new patients; minimally invasive mitral and robotic heart surgery.","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. Direct clean URL returned a short application shell; the indexed official clinical body was read, and current chair role was corroborated on Cedars-Sinai Pulse. Appointment availability must be reconfirmed.","body_file":"outputs/heart-surgery-hub-20261007/review/provider-depth/adult/sources/web-body-observations.md"},"pd-adult-chikwe1400":{"title":"Eliminating the learning curve in robotic mitral valve repair: Results from 1400 patients.","publisher":"The Journal of thoracic and cardiovascular surgery","url":"https://pubmed.ncbi.nlm.nih.gov/41177574/","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/chikwe1400.json","published_at":"2025-11-01","doi":"10.1016/j.jtcvs.2025.01.021","authors":"Chikwe J, Tam D, Hasan I, Gill G, Rowe G, Sallam A, Chen Q, Malas J, Emerson D, Bowdish M, Trento A."},"pd-adult-chikwebarlow111":{"title":"Robotic repair for Barlow mitral regurgitation: Repairability, safety, and durability.","publisher":"The Journal of thoracic and cardiovascular surgery","url":"https://pubmed.ncbi.nlm.nih.gov/35803829/","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/chikwebarlow111.json","published_at":"2022-06-01","doi":"10.1016/j.jtcvs.2022.05.033","authors":"Rowe G, Gill G, Trento A, Emerson D, Roach A, Peiris A, Cheng W, Egorova N, Chikwe J."}}}