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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 (Supplementary 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.

 


Maternal stress in the fetal anomaly screening process: A prospective cohort study
Batool Zeidabadi, Abedin Iranpour, Fatemeh Alavi-Arjas, Mohammad Reza Baneshi, Salman Shamsadini Moghadam , Mohammd Moqaddasi Amiri, Mahdiye Taheri,
Volume 21, Issue 3 (10-2024)
Abstract
Background: Fetal health and pregnancy outcomes are significant contributors to increased prenatal stress. The effect of fetal anomaly screening on a mother’s stress is controversial. The present study aimed to explore maternal stress throughout a multi-stage anomaly screening program among healthy pregnant women.
Methods: This prospective cohort study was conducted at the public health centers of Sirjan, Iran from March 2022 to January 2023 using the convenience sampling process. The population included 228 healthy pregnant women. Data were collected using a researcher-made checklist for demographic and obstetrics characteristics. Cohen's Perceived Stress Scale (PSS) was utilized to measure maternal stress at three distinct intervals, including before (weeks 6-10 of pregnancy), during (weeks 11-14 of pregnancy), and after fetal anomaly screening tests (weeks 15-20 of pregnancy). Friedman test was used for measuring the association between maternal stress and fetal abnormality test results. Data were analyzed with Statistical Package for the Social Sciences (SPSS) software version 26 at a significance level of 0.05.
Results: The mothers with higher educational levels (p =0.05, β=1.74), and having a live child experienced lower levels of initial stress (p =0.016, β=2.27). Throughout the time, receiving a normal nuchal translucency (NT) result was associated with a significant decrease in perceived mother's stress (p <0.0001), and abnormal NT ultrasound results (reported in 3.8% of women) led to a rise in the downslope of stress in the third measurement; however, it was not significant.
Conclusion: The present study revealed that maternal stress decreased over time following normal results of fetal anomaly screening. Three factors were associated with lower maternal stress, including university education, having at least a living child, and a normal ultrasound result. Moreover, women at first pregnancy and/or with an abnormal ultrasound result experienced high-stress levels. The findings may be useful in guiding the formulation of health policies and the distribution of resources.
 

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