Karl McNamara

Impact of Systole Phase on Ventricular Outflow Tract Diameter and Cardiac Output Calculation in Infants Born Preterm: A Clinical Validation Study

Macarena García-Gozalo, Rema Nagpal, Karl McNamara, Ashraf Kharrat et autres

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Clinical and echocardiography predictors of response to inhaled nitric oxide in hypoxic preterm neonates

Mohamed Shalabi Ahmed, Regan E. Giesinger, Mohamed F. Ibrahim, Michelle Baczynski et autres

AIM: To evaluate the clinical and echocardiography modulators of treatment response in hypoxemic preterm infants exposed to inhaled nitric oxide (iNO). METHODS: In this multicentre retrospective study, clinical parameters, including oxygenation, ventilation and haemodynamics, were collected for preterm infants <36 weeks gestation …

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VALIDATING THE USE OF PULMONARY ARTERY ACCELERATION TIME IN ESTIMATING PULMONARY PRESSURE IN NEONATES

Soume Bhattacharya, Patrick Joseph McNamara, Amish Jain, Xiang Y. Ye et autres

Abstract BACKGROUND Estimation of right ventricular peak systolic pressure (RVSP) or pulmonary pressure using echocardiography is crucial in neonates with acute or chronic pulmonary hypertension. Conventionally in echocardiography, the maximal velocity of the Tricuspid Regurgitant jet (TR Vmax) is used to estimate …