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Exploratory Observational Prospective Study in Neonatal and Pediatric Congenital Diaphragmatic Hernia

2019-10-09 09:21:34 | BioPortfolio

Summary

CDH is associated with lung hypoplasia, pulmonary hypertension, and left ventricular hypoplasia.

Use of new STE techniques (heart ultrasound) showed that CDH newborns have decreased LV size and function, potentially explaining the non-response to iNO, and that these cardiac findings were associated with poor outcomes. Our hypothesis: CDH newborns persist to have some degree of LV hypoplasia in the pediatric and adolescent life and pulmonary pressures remain increased during growth. Patients with decreased cardiac performance by STE and/or with PH have higher concomitant neonatal or pediatric morbidities and altered neurodevelopmental profile

Description

The principal investigator hypothesize that CDH newborns have disturbed cardiac performance and increased pulmonary pressures during neonatal life and at different pediatric ages. The principal investigator also postulate that those with decreased cardiac performance by STE and/or with PH have higher concomitant neonatal or pediatric morbidities and altered neurodevelopmental profile, that CDH patients have some remaining degree of LV hypoplasia at pediatric/adolescent age and that novel echocardiography techniques will detect anomalies not uncovered by conventional imaging.

This study is a prospective study. Cohorts will be simultaneously recruited at different neonatal and pediatric ages to create various age groups of the CDH populations.

Groups will be synchronized with the current follow-up programs to ease feasibility.

Patient Population will be CDH patients admitted to the NICU at the MCH or followed in the clinic. Patients will be recruited during hospitalization or at the different age groups corresponding to their regular CDH follow-up.

Echocardiography will be targeted to acquire: RV and LV function by STE, 3D derived RV/LV volumes and performance , conventional systolic/diastolic RV and LV function parameters (such as: ejection fraction by Simpson's Biplane, tricuspid annular plane systolic excursion and tissue Doppler velocities), cardiac outputs and pulmonary pressure estimates. For patient's safety, responsible clinician will be alerted when a clinically significant anomaly is detected on the research echocardiography. Same echocardiography protocol will be applied to controls.

Associated to echocardiography data, The principal investigator will complete a chart review to extract important neonatal/pediatric demographic and clinical data. Variables extracted, among others, will include perinatal details (mode of delivery, maternal conditions, APGAR scores), sex, birth weight, clinical course and major morbidities. Bayley Scales of Infant and Toddler Development - Third Edition, a standardized evaluation for motor, cognitive and language abilities, is done on all patients with CDH at 18 months PMA at the MCH. When available for age groups beyond 18 months of age, these scores will be recorded. As well, assessment tools describing functional and developmental status will be filled with parents (or legal guardian) and/or pre-adolescents/adolescents. These tools will be the: Ages & Stages Questionnaires 3 (a parent report of developmental skills for ages of 2 to 60 months , the Clinical Adaptive Test /Clinical Linguistic Auditory Milestone Scale (CAT/CLAMS), which has a high correlation with the Bayley Scales of Infant Development and is a neurodevelopmental assessment tool of infants and toddlers) and the Pediatric Quality of Life Inventory Survey (a pre-adolescent and adolescent report on quality of life and functional status).

Patients with CDH will be compared to controls (1:1) recruited contemporaneously. Clinics targeted for control groups include the dermatology, orthopedic, trauma follow-up and neurology clinic for benign seizures episodes.

Study Design

Conditions

Congenital Diaphragmatic Hernia

Intervention

Echocardiography

Status

Not yet recruiting

Source

McGill University Health Centre/Research Institute of the McGill University Health Centre

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-10-09T09:21:34-0400

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Medical and Biotech [MESH] Definitions

The type of DIAPHRAGMATIC HERNIA caused by TRAUMA or injury, usually to the ABDOMEN.

Protrusion of abdominal structures into the THORAX as a result of congenital or traumatic defects in the respiratory DIAPHRAGM.

STOMACH herniation located at or near the diaphragmatic opening for the ESOPHAGUS, esophageal hiatus. When the ESOPHAGOGASTRIC JUNCTION is above the DIAPHRAGM, it is called a SLIDING HIATAL HERNIA. When the ESOPHAGOGASTRIC JUNCTION is below the DIAPHRAGM, it is called a PARAESOPHAGEAL HIATAL HERNIA.

A HERNIA due to an imperfect closure or weakness of the umbilical ring. It appears as a skin-covered protrusion at the UMBILICUS during crying, coughing, or straining. The hernia generally consists of OMENTUM or SMALL INTESTINE. The vast majority of umbilical hernias are congenital but can be acquired due to severe abdominal distention.

A protrusion of abdominal structures through the retaining ABDOMINAL WALL. It involves two parts: an opening in the abdominal wall, and a hernia sac consisting of PERITONEUM and abdominal contents. Abdominal hernias include groin hernia (HERNIA, FEMORAL; HERNIA, INGUINAL) and VENTRAL HERNIA.

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