2000, Number 1
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Rev Med Hosp Gen Mex 2000; 63 (1)
Importance of arterial partial pressure and end tidal
López-Herranz GP, Castro-Garduño AM
Language: Spanish
References: 16
Page: 25-29
PDF size: 198.61 Kb.
ABSTRACT
Objective: In this study, it is compared the difference between the arterial partial pressure and the end espiratory carbon dioxide pressure in patients with and without cardiopulmonar disease for elective laparoscopic cholecystectomy.
Methods: In a prospective, longitudinal, observational and comparative study, forty patients were assigned in two groups. Group I, 20 healthy patients and group II, 20 patients with cardiovascular and/or pulmonary disease. All of them received general anesthesia. Simultaneously, obtained CO
2 arterial pressure by analysis of arterial blood gas and the end of espiration CO
2 through capnography; preinsufflation of CO
2, and fifteen minutes after capnoperitoneum began. The last, when the procedure was concluded.
Results: In relation to sex and age no significant difference was established between group I and group II. The arterial and the end espiratory pressure of CO
2 difference in values were: preinsuflation in the group I was 2.8 mm Hg, in the capnoperitoneum 2.9 mm Hg and postinsuflation 3.6 mm Hg. In the group II, the results were: 5.5, 8.1 and 9.9 mm Hg respectively (p ‹ 0.05). In the group II, the pH decreased.
Conclusions: The laparoscopic cholecystectomy with capnoperitoneum is related with an important increased in the arterial and end tidal carbon dioxide pressure difference, specially in patients with cardiovascular and/or pulmonary disease. Therefore the invasive monitoring is justified.
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