Open or closed endotracheal suctioning in reducing instability in high risk cardiac infants-is one better?. Tume L., Baines P., Guerrero R., Hurely M., Johnson R., Kalantre A., Ramaraj R., Ritson P., Scott E., Walsh L., & Arnold P. 2016.
abstract   bibtex   
Background and aims Endotracheal suctioning is a high risk procedure in in single ventricle infants, especially in the early post-operative period. We aimed to determine the effect of endotracheal suction in the first 36 hours after high risk infant heart surgery on the ICU and to compare open (OS) and closed suctioning (CS) techniques in these infants. Methods A randomised crossover study of open versus closed suctioning. Detailed physiological data and echocardiography (for flow velocity) were measured at baseline, during and 2 minutes after the procedure. Treatment means and standard errors at baseline, during and post procedure were computed using Excel and ANOVA used formeasurement change during the procedure. Results 22 infants were recruited: 6 infants after Norwood-Sano, 10 modified Blalock-taussig shunt (MBTS) and 6 after Pulmonary Artery Banding (PAB). Themedian age was 15 days (IQR5-53) mean weight (3.4Kg SD 0.76). All infants were sedated and muscle-relaxed for measurements. There was more change in physiological variables with OS, but these were not clinically significant (Graph 1). We observed a reduction in flow velocity (on echocardiogram) from 2.1 m/sec to 1.67 m/sec during suctioning, but recovery to baseline values was rapid. Conclusions There was no clinically significant change in key physiological parameters between open and closed suction methods. Closed suctioning did not appear to confer any haemodynamic benefit over open suctioning when undertaken by experienced staff in a controlled manner in high risk cardiac infants.(Figure Presented).
@misc{tume_l._open_2016,
	title = {Open or closed endotracheal suctioning in reducing instability in high risk cardiac infants-is one better?},
	abstract = {Background and aims Endotracheal suctioning is a high risk procedure in in single ventricle infants, especially in the early post-operative period. We aimed to determine the effect of endotracheal suction in the first 36 hours after high risk infant heart surgery on the ICU and to compare open (OS) and closed suctioning (CS) techniques in these infants. Methods A randomised crossover study of open versus closed suctioning. Detailed physiological data and echocardiography (for flow velocity) were measured at baseline, during and 2 minutes after the procedure. Treatment means and standard errors at baseline, during and post procedure were computed using Excel and ANOVA used formeasurement change during the procedure. Results 22 infants were recruited: 6 infants after Norwood-Sano, 10 modified Blalock-taussig shunt (MBTS) and 6 after Pulmonary Artery Banding (PAB). Themedian age was 15 days (IQR5-53) mean weight (3.4Kg SD 0.76). All infants were sedated and muscle-relaxed for measurements. There was more change in physiological variables with OS, but these were not clinically significant (Graph 1). We observed a reduction in flow velocity (on echocardiogram) from 2.1 m/sec to 1.67 m/sec during suctioning, but recovery to baseline values was rapid. Conclusions There was no clinically significant change in key physiological parameters between open and closed suction methods. Closed suctioning did not appear to confer any haemodynamic benefit over open suctioning when undertaken by experienced staff in a controlled manner in high risk cardiac infants.(Figure Presented).},
	journal = {European Journal of Pediatrics},
	author = {{Tume L.} and {Baines P.} and {Guerrero R.} and {Hurely M.} and {Johnson R.} and {Kalantre A.} and {Ramaraj R.} and {Ritson P.} and {Scott E.} and {Walsh L.} and {Arnold P.}},
	year = {2016},
	keywords = {*echocardiography, *tracheobronchial toilet, Blalock Taussig shunt, analysis of variance, clinical article, controlled clinical trial, controlled study, crossover procedure, error, flow rate, heart surgery, hemodynamics, high risk infant, human, infant, lung artery banding, muscle, randomized controlled trial, staff}
}

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