Perbandingan Nilai SpO2 dan EtCO2 pada Anestesi Umum dengan Teknik Low Flow dan High Flow

Current general anesthesia method through the use of inhalational anesthetics uses the high-flow anesthesia (HFA) approach. This study aimed to compare the SpO2 and EtCO2 in low flow anesthesia and high flow anesthesia. This is a single blind, randomized clinical trial on 54 adult patients, 21–50 years, with physical status ASA 1 who underwent elective surgery under general anesthesia through intubation at H. Adam Malik Medan General Hospital during the period of October 2014 to April 2015. Samples were divided into two groups of 27 subjects. Group A received low flow anesthesia (FGF 1 liter/minute) and group B received high flow anesthesia (FGF 4 liters/minute). The SpO2 and EtCO2 were observed every 10 minutes during anesthesia. Analysis was performed using Mann-Whitney U test and t-test in SPSS 23 software. This study showed that the mean SpO2 during anesthesia for the low flow anesthesia group was 98.63% ± 0.39, and 98.70%±0.37 for the high flow anesthesia. The mean EtCO2 values during anesthesia were 33.73 mmHg± 0.54 and 32.77 mmHg±0.39 for the low flow anesthesia group and high flow anesthesia, respectively. There was no significant difference in SpO2 and EtCO2 values during anesthesia in both groups (p>0.05). Hence, it is concluded that there is no significant difference in SpO2 and EtCO2 values between low flow and high flow anesthesia techniques.

Abstract licence: CC BY-NC

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