Study of End-Tidal Co2 Tension at 1nsufflation And Exsufflation of CO2 during Laparoscopic Surgery
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 10
Abstract
This study was conducted to know the changes in the ETCO2 values with different baseline value & to obtain a safe value prior to insufflation so that the normocarbia is maintained throughout the procedure. It was conducted on 60 patients divided into 3 groups. The control having the baseline group value of 31 - 35 mmHg & the study groups one with slight hypocarbia 25-30 mmHg being achieved prior to insufflation & the other with the baseline value of 36 - 40 mmHg were compared with the control group. The study included only ASA I patients & were subjected to any of the following laparoscopic surgeries - laparoscopic cholecystectomy, laparoscopic mesh repair of incisional hernias & laparoscopic gynecological surgeries. Standard anesthesia technique was chosen for all & the similar drugs were given to all of them including premedication, induction, muscle relaxation & the volatile agents. The patients are either put in trendelenberg position or reverse trendelenberg position. The observation made of the study are, there is significant rise in value of ETCO2 when the initial ETCO2 before insufflation is maintained at 36 - 4 0 mmHg. ETCO2 can be maintained near to the preinsufflation value when slight hypocarbia is maintained prior to insufflation. In conclusion this study shows that in healthy person’s normocarbia can be maintained by using moderate hyperventilation of about 14% to achieve a baseline value of 25 - 30 mmHg prior to insufflation.
Authors and Affiliations
Mamatha Mishra, Ravi Madhusudhana
Keywords
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- EP ID EP244076
- DOI 10.9790/0853-1610074046
- Views 80
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