Sex differences in cardiac function and clinical outcome in patients with a Fontan circulation

Background: This study aims to assess sex differences with regards to outcome, cardiovascular dimensions, and functional capacity in patients with a Fontan circulation. Methods: In this single-center prospective, standardised cohort study of 60 Fontan patients (30 females, 50%) aged ≥10 years, the a...

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Autores principales: Sophie L. Meyer, Djoeke Wolff, Floris-Jan S. Ridderbos, Quint A.J. Hagdorn, Graziella Eshuis, Joost P. van Melle, Tjark Ebels, Tineke P. Willems, Rolf M.F. Berger
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Publicado: Elsevier 2021
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spelling oai:doaj.org-article:1750974149c3427f8f0f1623a86beb4d2021-11-06T04:37:09ZSex differences in cardiac function and clinical outcome in patients with a Fontan circulation2666-668510.1016/j.ijcchd.2021.100197https://doaj.org/article/1750974149c3427f8f0f1623a86beb4d2021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S266666852100121Xhttps://doaj.org/toc/2666-6685Background: This study aims to assess sex differences with regards to outcome, cardiovascular dimensions, and functional capacity in patients with a Fontan circulation. Methods: In this single-center prospective, standardised cohort study of 60 Fontan patients (30 females, 50%) aged ≥10 years, the association between sex and the combined outcome variable of all-cause mortality, heart/heart-lung transplantation (including listing) and Fontan-related hospitalisation was investigated. Secondary outcome measures included functional capacity and ventricular dimensions, measured by cardiac magnetic resonance imaging (CMR), cardiopulmonary exercise testing (CPET) and concomitant clinical assessment. Results: Baseline characteristics including age, diagnosis and surgical history did not differ between female and male patients. During a median follow-up time of 5.75 (5.4–6.0) years, the combined outcome variable occurred in 17 (28%) patients. Female Fontan patients had 13 (43%) adverse events and males 4 (13%). Event-free survival differed significantly (p ​= ​0.040). At baseline, the majority of males was in NYHA class I (n ​= ​19, 63%), whereas the majority of females was in NYHA class II or III (n ​= ​20, 67%) (p ​= ​0.036). Male Fontan patients had about 25% higher end-diastolic volume (p ​= ​0.001) indexed for body surface area (BSA), 28% higher indexed end-systolic volume (p ​= ​0.004) and 25% more indexed ventricular mass (p ​< ​0.001). Conclusions: In Fontan patients, event-free survival is significantly higher in males compared to females. Relevant sex differences in ventricular dimensions as well as functional capacity exist, which exceed the differences seen in the healthy population. These differences should be considered when analysing and interpreting cut-off values to improve risk stratification.Sophie L. MeyerDjoeke WolffFloris-Jan S. RidderbosQuint A.J. HagdornGraziella EshuisJoost P. van MelleTjark EbelsTineke P. WillemsRolf M.F. BergerElsevierarticleFontan circulationFunctionally univentricular heartSex differencesDiseases of the circulatory (Cardiovascular) systemRC666-701ENInternational Journal of Cardiology Congenital Heart Disease, Vol 5, Iss , Pp 100197- (2021)
institution DOAJ
collection DOAJ
language EN
topic Fontan circulation
Functionally univentricular heart
Sex differences
Diseases of the circulatory (Cardiovascular) system
RC666-701
spellingShingle Fontan circulation
Functionally univentricular heart
Sex differences
Diseases of the circulatory (Cardiovascular) system
RC666-701
Sophie L. Meyer
Djoeke Wolff
Floris-Jan S. Ridderbos
Quint A.J. Hagdorn
Graziella Eshuis
Joost P. van Melle
Tjark Ebels
Tineke P. Willems
Rolf M.F. Berger
Sex differences in cardiac function and clinical outcome in patients with a Fontan circulation
description Background: This study aims to assess sex differences with regards to outcome, cardiovascular dimensions, and functional capacity in patients with a Fontan circulation. Methods: In this single-center prospective, standardised cohort study of 60 Fontan patients (30 females, 50%) aged ≥10 years, the association between sex and the combined outcome variable of all-cause mortality, heart/heart-lung transplantation (including listing) and Fontan-related hospitalisation was investigated. Secondary outcome measures included functional capacity and ventricular dimensions, measured by cardiac magnetic resonance imaging (CMR), cardiopulmonary exercise testing (CPET) and concomitant clinical assessment. Results: Baseline characteristics including age, diagnosis and surgical history did not differ between female and male patients. During a median follow-up time of 5.75 (5.4–6.0) years, the combined outcome variable occurred in 17 (28%) patients. Female Fontan patients had 13 (43%) adverse events and males 4 (13%). Event-free survival differed significantly (p ​= ​0.040). At baseline, the majority of males was in NYHA class I (n ​= ​19, 63%), whereas the majority of females was in NYHA class II or III (n ​= ​20, 67%) (p ​= ​0.036). Male Fontan patients had about 25% higher end-diastolic volume (p ​= ​0.001) indexed for body surface area (BSA), 28% higher indexed end-systolic volume (p ​= ​0.004) and 25% more indexed ventricular mass (p ​< ​0.001). Conclusions: In Fontan patients, event-free survival is significantly higher in males compared to females. Relevant sex differences in ventricular dimensions as well as functional capacity exist, which exceed the differences seen in the healthy population. These differences should be considered when analysing and interpreting cut-off values to improve risk stratification.
format article
author Sophie L. Meyer
Djoeke Wolff
Floris-Jan S. Ridderbos
Quint A.J. Hagdorn
Graziella Eshuis
Joost P. van Melle
Tjark Ebels
Tineke P. Willems
Rolf M.F. Berger
author_facet Sophie L. Meyer
Djoeke Wolff
Floris-Jan S. Ridderbos
Quint A.J. Hagdorn
Graziella Eshuis
Joost P. van Melle
Tjark Ebels
Tineke P. Willems
Rolf M.F. Berger
author_sort Sophie L. Meyer
title Sex differences in cardiac function and clinical outcome in patients with a Fontan circulation
title_short Sex differences in cardiac function and clinical outcome in patients with a Fontan circulation
title_full Sex differences in cardiac function and clinical outcome in patients with a Fontan circulation
title_fullStr Sex differences in cardiac function and clinical outcome in patients with a Fontan circulation
title_full_unstemmed Sex differences in cardiac function and clinical outcome in patients with a Fontan circulation
title_sort sex differences in cardiac function and clinical outcome in patients with a fontan circulation
publisher Elsevier
publishDate 2021
url https://doaj.org/article/1750974149c3427f8f0f1623a86beb4d
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