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Regional and global myocardial deformation of the fetal right ventricle in hypoplastic left heart syndrome
Prenatal diagnosis, 2012-10, Vol.32 (10), p.949-953
Miller, Thomas A.
Puchalski, Michael D.
Weng, Cindy
Menon, Shaji C.
2012
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Miller, Thomas A.
Puchalski, Michael D.
Weng, Cindy
Menon, Shaji C.
Titel
Regional and global myocardial deformation of the fetal right ventricle in hypoplastic left heart syndrome
Ist Teil von
Prenatal diagnosis, 2012-10, Vol.32 (10), p.949-953
Ort / Verlag
England: Blackwell Publishing Ltd
Erscheinungsjahr
2012
Quelle
Wiley-Blackwell Journals
Beschreibungen/Notizen
ABSTRACT Objective Quantification of fetal right ventricular (RV) function by 2D‐echocardiography is challenging. Velocity vector imaging (VVI) is an angle independent speckle tracking technique that assesses regional myocardial mechanics. Alteration in the deformation of the fetal RV in hypoplastic left heart syndrome (HLHS) is unknown. This study aimed to evaluate the regional mechanics of the fetal RV in HLHS. Methods We retrospectively analyzed HLHS fetuses imaged at our center. Velocity, strain and strain rate were obtained using VVI. Global and regional parameters of RV deformation were compared between HLHS fetuses and gestational age matched controls. Results A total of 30 HLHS fetuses and 30 gestational age matched controls were analyzed. The mean gestational age was 30.5 ±3.5 weeks. Global myocardial strain was significantly decreased in HLHS RVs compared to controls (−1.9% vs. ‐4.1%, p = 0.003). The volume of the hypoplastic left ventricle did not affect RV deformation in HLHS. Conclusions Compared to controls, the RV in HLHS fetuses has decreased systolic strain. Prenatal abnormalities in RV myocardial deformation may be responsible for inefficient cardiac performance and output. RV myocardial performance in HLHS can be measured prenatally and may be predictive of post‐natal RV dysfunction. © 2012 John Wiley & Sons, Ltd.
Sprache
Englisch
Identifikatoren
ISSN: 0197-3851
eISSN: 1097-0223
DOI: 10.1002/pd.3939
Titel-ID: cdi_proquest_miscellaneous_1082237849
Format
–
Schlagworte
Female
,
Fetal Heart - diagnostic imaging
,
Fetal Heart - pathology
,
Fetal Heart - physiopathology
,
Gestational Age
,
Heart Ventricles - diagnostic imaging
,
Heart Ventricles - embryology
,
Heart Ventricles - physiopathology
,
Humans
,
Hypoplastic Left Heart Syndrome - diagnostic imaging
,
Hypoplastic Left Heart Syndrome - pathology
,
Hypoplastic Left Heart Syndrome - physiopathology
,
Myocardium - pathology
,
Pregnancy
,
Retrospective Studies
,
Systole
,
Ultrasonography, Prenatal - methods
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