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The Effect of Open and Closed Endotracheal Tube Suctioning System on Cardio- respiratory Parameters of Infants Undergoing Mechanical Ventilation
Narges Asgari, Parvin Taheri, Mehri Golchin, Dr Majid Mohammadizadeh,
Volume 10, Issue 0 (9-2013)
Abstract

  Background and Objective: Mechanical ventilation is used for some infants in neonatal intensive care unit (NICU) due to many physiological and clinical causes. The practice of endotracheal suctioning of ventilator- treated patients is necessary to remove secretions to prevent obstruction of the endotracheal tube and lower airways. This study aimed at determining the effect of open and closed suctioning methods on cardio-respiratory parameters of infants undergoing mechanical ventilation.

  

  Material and Methods: In this clinical trail, forty-four infants underwent mechanical ventilation in NICU were selected by simple continuous sampling. The samples were randomly divided into two groups. In the first group: first, open suctioning and then after three hours of cleaning, closed suctioning was performed. In the second group, first closed suctioning and after three hours of cleaning, open suctioning was implemented. Respiratory rate (RR), oxygen saturation, pulse rate and blood pressure were assessed before ( in three, two and one minutes ) , during and after ( in one , two and three minutes ) each type of suctioning. The Data was analyzed by Software SPSS-16 using ANOVA with repeated measures and independent t-test.

  

  Results: There was a significant difference between mean respiratory rate and oxygen saturation in infants during and after the closed and open suctioning (p<0.05). Oxygen saturation had a significant reduction in open method compared to closed method during and immediately after suctioning. Respiratory rate had a significant reduction in 3 minutes after open suctioning in both steps. The mean of diastolic pressure in second step of open method and in both steps of closed method was significant (p<0.05). There was a significant difference between the mean pulse rate in different times of open suctioning in the first step (p<0.05), Pulse rate drop significantly was lower in closed suction than open one (p<0.05).

  

  Conclusion: because of little changes caused by closed suctioning in hemodynamic condition, it is recommended using the closed suctioning to prevent from respiratory complications and pulse rate dropping in infants.

 


Effect of Warm Saline Solution Gargle on Sore Throat after Extubation in Open Heart Surgery Patients: A Randomized Clinical Trial
Gol Bahar Eri, Khadijeh Yazdi, Gholam Ali Riahi, Zahra Mehr Bakhash, Mohammad Ahmadi ,
Volume 19, Issue 1 (1-2022)
Abstract
Background: Sore throat is one of the most common complications of endotracheal intubation, which interferes with patient's normal breathing and oral feeding process. This may ultimately delay the patient's discharge from the hospital. The aim of this study was to determine effect of warm normal saline solution gargling on sore throat in open heart surgery patients after estuation.
Methods: This clinical trial was performed in 2016 on 60 patients undergoing open heart surgery at the Amir Al-Momenin Hospital in Kordkoy, Northeast of Iran. The subjects were selected by convenience sampling method and randomly assigned to an intervention and a control group. Patients with sore throat were assessed using the Numerical Pain Rating Scale (NPRS 0–10) one hour after endotracheal tube removal and then every 6 hours for 24 hours. An overall score of zero, 1-3, 4-6, and 6-10 indicated no pain, mild pain, moderate pain, and severe pain, respectively. Data were analyzed with SPSS (version 18) using the Shapiro–Wilk test, independent t-test, Fisher's exact test, Chi-square test, and Friedman test. All analyses were carried out at significance of 0.05.
Results: At the beginning of the study, there was no statistically significant difference between the two groups in terms of age, sex, ethnicity, history of addiction, and sore throat severity (p> 0.05). Six hours after the intervention, pain intensity did not differ significantly between the two groups (p <0.05). However, pain intensity was significantly lower in the intervention group compared with the control group 12, 18, and 24 hours after the intervention (p<0.001).
Conclusion: The results indicate that warm normal saline solution gargling after removal of the endotracheal tube is a practical, simple, and cheap approach to relieve sore throat in patients undergoing open heart surgery.

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