PMID- 33633309 OWN - NLM STAT- MEDLINE DCOM- 20211213 LR - 20211214 IS - 2045-2322 (Electronic) IS - 2045-2322 (Linking) VI - 11 IP - 1 DP - 2021 Feb 25 TI - The mitral regurgitation effects of cardiac structure and function in left ventricular noncompaction. PG - 4616 LID - 10.1038/s41598-021-84233-6 [doi] LID - 4616 AB - This study evaluated the effects of mitral regurgitation (MR) on cardiac structure and function in left ventricular noncompaction (LVNC) patients. The clinical and cardiovascular magnetic resonance (CMR) data for 182 patients with noncompaction or hypertrabeculation from three institutes were retrospectively included. We analyzed the difference in left ventricular geometry, cardiac function between LVNC patients with and without MR. The results showed that patients with MR had a worse New York Heart Association (NYHA) class and a higher incidence of arrhythmia (P < 0.05). MR occurred in 48.2% of LVNC patients. Compared to LVNC patients without MR, the two-dimensional sphericity index, maximum/minimum end-diastolic ratio and longitudinal shortening in LVNC patients with MR were lower (P < 0.05), and the peak longitudinal strain (PLS) of the global and segmental myocardium were obviously reduced (P < 0.05). No significant difference was found in strain in LVNC patients with different degree of MR; end diastolic volume, end systolic volume, and global PLS were statistically associated with MR and NYHA class (P < 0.05), but the non-compacted to compacted myocardium ratio had no significant correlation with them. In conclusion, the presence of MR is common in LVNC patients. LVNC patients with MR feature more severe morphological and functional changes. Hypertrabeculation is not an important factor affecting structure and function at the heart failure stage. FAU - Zou, Qing AU - Zou Q AD - Department of Radiology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second University Hospital, Sichuan University, 20# Section 3 South Renmin Road, Chengdu, 610041, China. AD - Department of Radiology, Deyang People's Hospital, 173# Section 3 Tai Shan Road, Deyang, 618400, Sichuan, China. FAU - Xu, Rong AU - Xu R AD - Department of Radiology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second University Hospital, Sichuan University, 20# Section 3 South Renmin Road, Chengdu, 610041, China. FAU - Li, Xiao AU - Li X AD - Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China. FAU - Xu, Hua-Yan AU - Xu HY AD - Department of Radiology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second University Hospital, Sichuan University, 20# Section 3 South Renmin Road, Chengdu, 610041, China. FAU - Yang, Zhi-Gang AU - Yang ZG AD - Department of Radiology, West China Hospital, Sichuan University, 37# Guo Xue Xiang, Chengdu, 610041, Sichuan, China. FAU - Wang, Yi-Ning AU - Wang YN AD - Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China. wangyining@pumch.cn. FAU - Fan, Hai-Ming AU - Fan HM AD - Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Northwest University, Xi'an, 710069, China. fanhm@nwu.edu.cn. FAU - Guo, Ying-Kun AU - Guo YK AD - Department of Radiology, Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, West China Second University Hospital, Sichuan University, 20# Section 3 South Renmin Road, Chengdu, 610041, China. gykpanda@163.com. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20210225 PL - England TA - Sci Rep JT - Scientific reports JID - 101563288 RN - Cardiomyopathy, Dilated, with Left Ventricular Noncompaction SB - IM MH - Adult MH - Cardiomyopathy, Dilated/diagnostic imaging/*physiopathology MH - Case-Control Studies MH - Female MH - Heart/diagnostic imaging MH - Humans MH - Isolated Noncompaction of the Ventricular Myocardium/diagnostic imaging/*physiopathology MH - Magnetic Resonance Imaging, Cine MH - Male MH - Middle Aged MH - Mitral Valve Insufficiency/diagnostic imaging/pathology/*physiopathology MH - Myocardium/*pathology MH - Retrospective Studies PMC - PMC7907249 COIS- The authors declare no competing interests. EDAT- 2021/02/27 06:00 MHDA- 2021/12/15 06:00 PMCR- 2021/02/25 CRDT- 2021/02/26 05:59 PHST- 2020/11/30 00:00 [received] PHST- 2021/02/11 00:00 [accepted] PHST- 2021/02/26 05:59 [entrez] PHST- 2021/02/27 06:00 [pubmed] PHST- 2021/12/15 06:00 [medline] PHST- 2021/02/25 00:00 [pmc-release] AID - 10.1038/s41598-021-84233-6 [pii] AID - 84233 [pii] AID - 10.1038/s41598-021-84233-6 [doi] PST - epublish SO - Sci Rep. 2021 Feb 25;11(1):4616. doi: 10.1038/s41598-021-84233-6.