PMID- 32144945 OWN - NLM STAT- MEDLINE DCOM- 20210525 LR - 20210525 IS - 1932-8737 (Electronic) IS - 0160-9289 (Print) IS - 0160-9289 (Linking) VI - 43 IP - 6 DP - 2020 Jun TI - Prevention of sudden cardiac death in hypertrophic cardiomyopathy: Risk assessment using left atrial diameter predicted from left atrial volume. PG - 581-586 LID - 10.1002/clc.23351 [doi] AB - BACKGROUND: Left atrial diameter (LAd) is included in the European Society for Cardiology's (ESC) risk model for assessment of sudden cardiac death (SCD) risk in hypertrophic cardiomyopathy (HCM), but the recommended measure of LA size is left atrial volume (LAv). HYPOTHESIS: We hypothesized that LAv could be used instead of LAd in the HCM risk-SCD model. We aimed to determine the relation between LAd and LAv and to assess the impact of using LAv instead of LAd. METHODS: Echocardiographic measurements of anteroposterior LAd in the parasternal long-axis window and LAv from Simpson's biplane method of disks were used. The 5-year risk of SCD by measured LAd and by LAd predicted from LAv were estimated using the ESC risk-SCD model. RESULTS: In 205 HCM patients (age 56 +/- 14 years, 62% male), the relation between LAd and LAv was linear. Median 5-year risk of SCD was 2.4% (interquartile range [IQR]: 1.6; 3.8) using measured LAd and 2.4% (IQR: 1.6; 3.7) using predicted LAd. The correlation between the SCD risk assessed by measured vs predicted LAd was excellent (r(2) = 0.96). Use of predicted LAd resulted in four patients (2%) being recategorized between the moderate and high-risk categories. CONCLUSIONS: The relation between LAd and LAv was linear with good agreement. On a population level, the correlation between the risk of SCD using measured LAd or LAd predicted from LAv was excellent. On a patient level, using LAd predicted from LAv resulted in the vast majority remaining in the same risk category; however, for a minority of patients, it changed the recommendation. CI - (c) 2020 The Authors. Clinical Cardiology published by Wiley Periodicals, Inc. FAU - Mills, Helen AU - Mills H AUID- ORCID: 0000-0002-3011-0740 AD - The Unit for Inherited Cardiac Diseases, Department of Cardiology, Copenhagen University Hospital, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark. FAU - Espersen, Kiri AU - Espersen K AD - The Unit for Inherited Cardiac Diseases, Department of Cardiology, Copenhagen University Hospital, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark. FAU - Jurlander, Rebecca AU - Jurlander R AD - The Unit for Inherited Cardiac Diseases, Department of Cardiology, Copenhagen University Hospital, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark. FAU - Iversen, Kasper AU - Iversen K AD - Department of Cardiology, Copenhagen University Hospital, Herlev Hospital, University of Copenhagen, Copenhagen, Denmark. FAU - Bundgaard, Henning AU - Bundgaard H AD - The Unit for Inherited Cardiac Diseases, Department of Cardiology, Copenhagen University Hospital, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark. FAU - Raja, Anna Axelsson AU - Raja AA AD - The Unit for Inherited Cardiac Diseases, Department of Cardiology, Copenhagen University Hospital, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark. AD - Department of Cardiology, Copenhagen University Hospital, Herlev Hospital, University of Copenhagen, Copenhagen, Denmark. LA - eng PT - Journal Article PT - Observational Study DEP - 20200307 PL - United States TA - Clin Cardiol JT - Clinical cardiology JID - 7903272 SB - IM MH - Cardiac Volume/*physiology MH - Cardiomyopathy, Hypertrophic/*complications/diagnosis/physiopathology MH - Death, Sudden, Cardiac/epidemiology/etiology/*prevention & control MH - Denmark/epidemiology MH - Echocardiography/*methods MH - Female MH - Heart Atria/*diagnostic imaging/physiopathology MH - Humans MH - Incidence MH - Male MH - Middle Aged MH - Prognosis MH - Retrospective Studies MH - Risk Assessment/*methods MH - Survival Rate PMC - PMC7298985 OTO - NOTNLM OT - echocardiography OT - implantable cardioverter-defibrillator OT - risk model OT - risk prediction COIS- The authors declare no potential conflict of interest. EDAT- 2020/03/08 06:00 MHDA- 2021/05/26 06:00 PMCR- 2020/03/07 CRDT- 2020/03/08 06:00 PHST- 2019/07/18 00:00 [received] PHST- 2020/02/11 00:00 [accepted] PHST- 2020/03/08 06:00 [pubmed] PHST- 2021/05/26 06:00 [medline] PHST- 2020/03/08 06:00 [entrez] PHST- 2020/03/07 00:00 [pmc-release] AID - CLC23351 [pii] AID - 10.1002/clc.23351 [doi] PST - ppublish SO - Clin Cardiol. 2020 Jun;43(6):581-586. doi: 10.1002/clc.23351. Epub 2020 Mar 7.