Background/aim With the increase in the elderly population, the elderly proportion needing emergency surgery is also increasing. Despite medical advances in surgery and anesthesia, negative postoperative outcomes and high mortality rates are still present in elderly patients undergoing emergency surgery. Comorbidities are described as the main determining factors in poor outcomes. In this metaanalysis, it was aimed to investigate the effect of comorbidity on mortality in elderly patients undergoing emergency abdominal surgery. Materials and methods The studies published between 2010-2019 were scanned from databases of Google Scholar, Cinahl, Pub Med, Medline and Web of Science. Quality criteria proposed by Polit and Beck were used in the evaluation of the included studies. Interrater agreement was calculated by using the Kappa statistic, effect size by using the odds ratio, and heterogeneity among studies by using the Cochran’s Q statistics. Kendall’s Tau-b coefficient and funnel plot were used to determine publication bias. Results A total of 9 studies were included in the research. There was a total of 1330 cases in the studies. The total mortality rate was 21% (n = 279), the total rate of having a comorbid factor was 83.6% (n = 1112), and the rate of having a comorbid factor in mortality was 89.2% (n = 249). According to the fixed effects model, the total effect size of comorbid factors on causing mortality was not statistically significant with a value of 1.296 (C.I; 0.84-1.97; P > 0.05). Conclusion Our study revealed that comorbidity had no significant effect on causing mortality in geriatric patients undergoing emergency abdominal surgery. There are controversial results in the literature, and in order to reach more precise results, studies involving wider groups of patients and further studies examining the specific effect of certain comorbid conditions are needed.
Objective: This study was conducted to investigate the effect of the Fowler position and prone position on oxygen saturation in patients receiving treatment in clinics with the diagnosis of COVID-19 disease. Method: A total of 40 patients, admitted to the pandemic ward who met the inclusion criteria, were included in the quasi-experimental type study without any sampling. The patients were first given the Fowler position and then the prone position. There was a time interval of 15 minutes wait between the two positions. For each position, peripheral oxygen saturation, heart rate, respiratory and blood pressure values were obtained at initial position placement, after the 30th minute and every hour for the first four hours. Results: The mean age of the participants was 57.57±12.64 years. Respiratory distress, cough, fever, weakness, sweating and headache were the main symptoms. A total of 22.5% of them had a diagnosis of hypertension and Diabetes Mellitus. The requirement for the positioning was found to be 95% in the first five days after admittance. After treatment, 85% of them were discharged home. The mean oxygen saturation values of the patients for every hour in the Prone position were 93.15±1.718 (p=0.035), 93.60±1.809 (p=0.019), 93.93±1.774 (p=0.006) and 94.15±1.718 (p=0.002), respectively in the first four hours. These findings were statistically significant compared to the Fowler position. Respiratory values in the prone position were 17.30±1.159 (p=0.005), 17.20±1.344 (p=0.010), 17.20±1.181 (p=0.005), and 17.05±1.280 (p=0.001), respectively in the first four hours, which were statistically lower than in the Fowler position. There was no significant difference in the mean heart rate and blood pressure in both positions (p>0.05). Conclusion: The prone position was found to have a positive effect on oxygen saturation levels when Fowler and Prone positions were applied in patients receiving treatment with the diagnosis of COVID-19 in hospital wards. Therefore, it is recommended that patients admitted with the diagnosis of COVID-19 be placed in the prone position at regular intervals.
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