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J Clin Monit Comput · Jun 2018
Letter Observational StudySuprasternal notch echocardiography: a potential alternative for the measurement of respiratory variation in aortic blood flow peak velocity in mechanically ventilated children.
- Pauline Devauchelle, Mathilde de Queiroz Siqueira, Marc Lilot, Dominique Chassard, and François-Pierrick Desgranges.
- Department of Pediatric Anesthesia, Femme Mère Enfant Hospital, Claude Bernard Lyon 1 University, 59 Boulevard Pinel, 69500, Bron, France.
- J Clin Monit Comput. 2018 Jun 1; 32 (3): 589-591.
AbstractWe conducted a prospective, observational study to investigate the relationship between the respiratory variation in aortic blood flow peak velocity (ΔVPeak) measured by echocardiography in the proximal ascending aorta from the suprasternal notch window and the ΔVPeak measured at the level of the aortic annulus from the classical apical five-chamber view. We studied children aged from 1 to 10 years referred for surgery under general anesthesia with positive pressure ventilation, after induction of general anesthesia. Twenty-two children (mean age = 5 ± 3 years) were recruited. There was a significant relationship between the ΔVPeak recorded via the suprasternal notch view and the ΔVPeak recorded via the apical five-chamber view (r = 0.62 [95% confidence interval 0.25-0.84], P = 0.003). The ΔVPeak measured using the suprasternal notch route could be considered to predict fluid responsiveness in children under mechanical ventilation, notably when the access to the chest wall is limited during surgery.
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