{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T06:43:49Z","timestamp":1782974629888,"version":"3.54.5"},"reference-count":20,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2018,4,20]],"date-time":"2018-04-20T00:00:00Z","timestamp":1524182400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Echocardiography"],"published-print":{"date-parts":[[2018,7]]},"abstract":"<jats:p>Hypoplasia of the mitral leaflets is rarely reported in adults. We reported a 45\u2010year\u2010old man presented to us with palpitation, dyspnea, and severe mitral regurgitation. In echocardiographic examination, an immobile hypoplastic posterior mitral leaflet (<jats:styled-content style=\"fixed-case\">PML<\/jats:styled-content>) was detected. A review of clinical and echocardiographic findings of all reported cases revealed that mitral regurgitation was the most common finding associated with <jats:styled-content style=\"fixed-case\">PML<\/jats:styled-content> hypoplasia\/uni\u2010leaflet mitral valve. <jats:styled-content style=\"fixed-case\">PML<\/jats:styled-content> hypoplasia is rare and often an incidental diagnosis during echocardiography, which could be relatively well tolerated since adulthood and carries a good prognosis.<\/jats:p>","DOI":"10.1111\/echo.13898","type":"journal-article","created":{"date-parts":[[2018,4,20]],"date-time":"2018-04-20T22:32:43Z","timestamp":1524263563000},"page":"1052-1055","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Hypoplastic posterior mitral valve leaflet: A case report and review of the 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