{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T11:51:01Z","timestamp":1753876261097,"version":"3.41.2"},"reference-count":9,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2024,4,24]],"date-time":"2024-04-24T00:00:00Z","timestamp":1713916800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,5,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>A transcatheter edge-to-edge repair (TEER) is disseminating gradually as a treatment for primary and secondary mitral regurgitation (MR) in patients with high surgical risk. In performing TEER, securing a safe access route is crucial. We report a case with a challenging access route due to the presence of a double inferior vena cava (IVC) and the patient\u2019s small body habitus.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Case summary<\/jats:title>\n                  <jats:p>An 84-year-old female presented with congestive heart failure due to severe MR. Despite receiving optimal medical therapy, her symptoms did not improve significantly. Transcatheter edge-to-edge repair was deemed challenging due to her extremely small body habitus [height: 131\u2005cm; body surface area: 1.17\u2005m2] and the presence of double IVC. However, considering her inoperable risk for surgical repair, she underwent TEER after a multidisciplinary heart team discussion. The steering guide catheter (SGC) encountered resistance, but gradual advancement and use of a bougie with a large bore sheath dilator successfully delivered the SGC to the right atrium. Following the TEER, there was a significant improvement in the symptoms.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion<\/jats:title>\n                  <jats:p>Extremely small venous system in a small patient with double IVC presented a unique technical hurdle. Transcatheter edge-to-edge repair is potentially feasible even in such a patient by cautiously applying the technique described.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytae221","type":"journal-article","created":{"date-parts":[[2024,4,23]],"date-time":"2024-04-23T11:43:20Z","timestamp":1713872600000},"source":"Crossref","is-referenced-by-count":0,"title":["Transcatheter mitral valve repair for a patient with double inferior vena cava: case report"],"prefix":"10.1093","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6437-7534","authenticated-orcid":false,"given":"Riku","family":"Kato","sequence":"first","affiliation":[{"name":"Department of Cardiovascular Surgery, Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital , 35 Michishita, Nagoya 453-8511 , Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3226-1307","authenticated-orcid":false,"given":"Soh","family":"Hosoba","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital , 35 Michishita, Nagoya 453-8511 , Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masayuki","family":"Kuroda","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital , Nagoya , Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenichiro","family":"Yasuda","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital , Nagoya , Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2024,4,24]]},"reference":[{"key":"2024050710064221300_ytae221-B1","doi-asserted-by":"crossref","first-page":"2844","DOI":"10.1016\/j.jacc.2015.10.018","article-title":"Randomized comparison of percutaneous repair and surgery for mitral regurgitation: 5-year results of EVEREST II","volume":"66","author":"Feldman","year":"2015","journal-title":"J Am Coll Cardiol"},{"key":"2024050710064221300_ytae221-B2","doi-asserted-by":"crossref","first-page":"2523","DOI":"10.1016\/j.jcin.2022.09.005","article-title":"Randomized comparison of transcatheter edge-to-edge repair for degenerative mitral regurgitation in prohibitive surgical risk patients","volume":"15","author":"Lim","year":"2022","journal-title":"JACC Cardiovasc Interv"},{"key":"2024050710064221300_ytae221-B3","doi-asserted-by":"crossref","first-page":"388","DOI":"10.1016\/j.ejvs.2022.05.045","article-title":"Prevalence of inferior vena cava anomalies and their significance and impact in clinical practice","volume":"64","author":"Kim","year":"2022","journal-title":"Eur J Vasc Endovasc Surg"},{"key":"2024050710064221300_ytae221-B4","doi-asserted-by":"crossref","first-page":"974","DOI":"10.1080\/02841850701499409","article-title":"Pelvic venous variations in patients with congenital inferior vena cava anomalies: classification with computed tomography","volume":"48","author":"Morita","year":"2007","journal-title":"Acta Radiol"},{"key":"2024050710064221300_ytae221-B5","doi-asserted-by":"crossref","first-page":"195","DOI":"10.14503\/THIJ-17-6546","article-title":"MitraClip deployed via left femoral vein","volume":"46","author":"Edupuganti","year":"2019","journal-title":"Tex Heart Inst. 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