The Effect of the Open and Closed System Suctions on Pain Severity and Physiological Indicators in Mechanically Ventilated Patients with Traumatic Brain Injury: A Randomised Controlled Trial [Turk J Anaesthesiol Reanim]
Turk J Anaesthesiol Reanim. Ahead of Print: TARD-03342 | DOI: 10.5152/TJAR.2019.03342  

The Effect of the Open and Closed System Suctions on Pain Severity and Physiological Indicators in Mechanically Ventilated Patients with Traumatic Brain Injury: A Randomised Controlled Trial

Abbasali Ebrahimian1, Maedeh Tourdeh2, Fatemeh Paknazar3, Hossein Davari4
1Nursing Care Research Center, Semnan University of Medical Sciences, Semnan, Iran
2School of Paramedicine, Qom University of Medical Sciences, Qom, Iran
3Social Determinants of Health Research Center, Semnan University of Medical Sciences, Semnan, Iran
4Student Research Committee, Semnan University of Medical Sciences, Semnan, Iran

Objective: Tracheal suctioning can cause pain and physiological indicator variations in patients with traumatic brain injury (TBI). The aim of the present study was to compare pain severity and physiological indicator variations during the closed tracheal suction system (CTSS) and open tracheal suction system (OTSS) in patients with TBI.
Methods: This study was a clinical trial. Samples included all ventilated patients with TBI. The patients were randomly divided into the OTSS and CTSS groups. In both groups, the Critical Care Pain Observation Tool (CPOT) and physiological indicators were recorded by three nurses prior to suctioning, the end of suctioning and 5 min after suction completion. Data were analysed using the independent t-test and repeated measurement tests.
Results: A total of 112 patients participated in the present study. Before the interventions, the mean value of the Glasgow Coma Scale was 6.451.13, blood pressure 128.3320.54, saturated oxygen in arterial blood (SpO2) 96.742.76, respiratory rate (RR) 15.063.98, end-tidal CO2 (EtCO2) 36.221.98, heart rate 82.1842.33 and CPOT-based pain 0.430.94 in the patients. Independent t-test was used to compare CTSS and OTSS, suggesting significant differences with respect to the mean values of SpO2, RR and EtCO2 immediately after suctioning. This test showed significant differences between the two groups with respect to pain intensity at all three points of measurement. The two groups were also found to be significantly different with respect to RR measured 5 min after suctioning (p<0.05).
Conclusion: Compared to OTSS, CTSS can cause higher reductions in pain levels during and after suctioning in patients with head traumas and can also cause higher improvements in physiological indicators, such as RR, O2 saturation and EtCO2.

Keywords: Close tracheal suction system, open tracheal suction system, pain, physiological indicators, traumatic brain injury




Corresponding Author: Hossein Davari, Iran


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