The evaluation of diastolic function using the diastolic wall strain (DWS) before and after radical surgery for congenital diaphragmatic hernia

Objective The measurement of diastolic wall strain (DWS), a new method of evaluating cardiac diastolic function, was employed to evaluate ventricular diastolic function in patients with congenital diaphragmatic hernia (CDH). Materials and methods Eighteen neonates with a CDH who were born and treate...

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Bibliographic Details
Published in:Pediatric surgery international 2015-10, Vol.31 (10), p.905-910
Main Authors: Tanaka, Tomohiko, Inamura, Noboru, Ishii, Ryo, Kayatani, Futoshi, Yoneda, Akihiro, Tazuke, Yuko, Kubota, Akio
Format: Article
Language:English
Subjects:
Diastole - physiology
Echocardiography, Doppler
Female
Hernias, Diaphragmatic, Congenital - diagnostic imaging
Hernias, Diaphragmatic, Congenital - physiopathology
Hernias, Diaphragmatic, Congenital - surgery
Humans
Infant, Newborn
Male
Medicine
Medicine & Public Health
Monitoring, Physiologic - methods
Original Article
Pediatric Surgery
Pediatrics
Surgery
Ventricular Dysfunction - diagnostic imaging
Ventricular Dysfunction - physiopathology
Ventricular Function - physiology
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Summary:Objective The measurement of diastolic wall strain (DWS), a new method of evaluating cardiac diastolic function, was employed to evaluate ventricular diastolic function in patients with congenital diaphragmatic hernia (CDH). Materials and methods Eighteen neonates with a CDH who were born and treated in our hospital between September 2009 and January 2013 were studied. The left ventricular posterior wall thickness during the systolic phase (PWs) and diastolic (PWd) phase was measured using M-mode imaging, and the DWS was calculated as (PWs–PWd)/PWs. The Tei index, the isovolumic relaxation time (IRT), and the fraction shortening (FS) were measured as indices of cardiac function in 14, 15, and 18 cases, respectively. Cardiac function was measured before and after surgery. Statistical analyses were performed using the paired t test. Results The pre- and postoperative DWS, Tei index, IRT and FS values were 0.19 ± 0.06 and 0.26 ± 0.11 ( P  
ISSN:0179-0358
1437-9813
DOI:10.1007/s00383-015-3766-0