Echocardiographic analysis of mitral valve motion in atrial septal defect |
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| Authors: | M Kamigaki N Goldschlager |
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| Affiliation: | 1. Senior Consultant and Head, Department of Pediatric and Congenital Heart Disease, Medica Superspeciality Hospital, 127, Mukundapur E.M Bypass, Kolkata 700099, West Bengal, India;2. Department of Pediatric and Congenital Heart Disease, Medica Super Specialty Hospital, Kolkata 700099, India;3. Department Cardiology, Medica Super Specialty Hospital, Kolkata 700099, India;4. Department of Paediatric and Congenital Heart Disease, Medica Super Specialty Hospital, Kolkata 700099, India;5. Department of Radiodiagnosis, Medica Super Specialty Hospital, Kolkata 700099, India;6. Department of Anaesthesiaology, Medica Super Specialty Hospital, Kolkata 700099, India;7. Cardiopulmonary Unit, Medica Super Specialty Hospital, Kolkata 700099, India;8. Department of Cardio Thoracic and Vascular Surgery, MEDICA Superspecialty Hospital, Kolkata, India;9. MEDICA Superspecialty Hospital, Kolkata, India;1. Department of Pediatrics, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kota Bharu, Kelantan, Malaysia;2. Hospital Universiti Sains Malaysia (HUSM), Health Campus, Kubang Kerian, 16150 Kota Bharu, Kelantan, Malaysia;3. Pediatric Department, Hospital Raja Perempuan Zainab II, 15586 Kota Bharu, Kelantan, Malaysia;4. Faculty of Medicine, Universiti Sultan Zainal Abidin, Jalan Sultan Mahmud, Kuala Terengganu 20400, Terengganu, Malaysia;1. Department of Pediatric and Adolescent Medicine, Division of Pediatric Cardiology, Mayo Clinic, Rochester, MN, United States of America;2. Department of Cardiovascular Medicine, Division of Structural Heart Diseases, Mayo Clinic, Rochester, MN, United States of America |
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| Abstract: | Eleven patients with secundum atrial septal defect underwent echocardiographic study of mitral valve motion. In 100 percent of cases, there was abnormal motion of the valve leaflets, primarily involving the posterior leaflet. Reduced velocity and excursion of leaflet motion did not correlate with age, left ventricular stroke index, right ventricular chamber dimension or pressure, or amplitude of motion of the abnormally moving intervehtricular septum. The echocardiographic findings are unique to atrial septal defect. Although the explanation for the findings is not immediately clear, the possible contributory roles of left ventricular disease, the interventricular septum, and the left to right shunt itself are examined. |
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