Magnitude and Associated Factors of Immediate Postoperative Hypoxemia Among Elective Surgical Procedures at Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia, January 30, 2017 To March 31, 2017 G
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Date
2017-06
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Addis Abeba University
Abstract
Background: definition Hypoxemia is insufficient amount of oxygen in the blood. There are
different contributing risk factors for occurrence of post-operative hypoxemia which may lead to
myocardial ischemia, organ dysfunction, wound infection, hospital stay and increase cost for the
hospital and patient.
Objectives: To assess the magnitude and associated factors of immediate post-operative
hypoxemia in elective surgical procedures at Tikur Anbessa specialized Hospital from
JANUARY 30,2017 to MARCH 31, 2017 G.C.
Methods: Institutional based Observational study design was conducted. Using Systemic
random sampling technique and structured questioners data was collected from sampled elective
surgical patients’ age≥18 that came during the 2 months period. Data was entered into Epi info
version 7 computer software by investigators and transported to SPSS version 20 computer
program for analysis. Frequency and cross tabulation was conducted to describe relevant
variables in relation to the outcome variables. Variables that demonstrated a significant
relationship on biviarite analysis (p-value<0.2) were included Multivariate regression analysis
was applied to evaluate independent variable relationships with a dependent variable that was
continuous. A p-value <0.05 was considered to represent a statistically significant relationship
Results: Among sampled 238 elective surgical patients magnitude of hypoxemia was
54(22.7%).Frequency of hypoxemia was high in first 10 minute after admission to post
anesthesia care unit.. The independent predictors of hypoxemia were who had Respiratory co
morbidity [(AOR=8.8; CI 2.264, 34.117)] (p =0.002) and cardiothoracic surgery [AOR=4.904;
CI1.385, 17.368] (p =0.014).
Conclusion and Recommendation: Magnitude of hypoxemia was high and so specials
consideration should given co morbid diseases patients by pre operative optimization of patient
that have other factors additional to the surgical procedure.
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Tikur Anbessa Specialized Hospital