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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Effect of temperature of insufflated CO2 during and after prolonged laparoscopic surgery.

BACKGROUND: Pneumoperitoneum with room temperature carbon dioxide (CO2) has been shown to decrease core temperature and urine output. METHODS: The effect of 37 degrees C (warm) and room temperature (cool) CO2 pneumoperitoneum on core temperature, urine output, and central hemodynamics was compared in 26 randomized patients undergoing prolonged laparoscopic surgery (>90 min). RESULTS: The core temperature (p < 0.05) and cardiac index (p < 0.05) were significantly higher after warm than after cool pneumoperitoneum. Urine output was significantly higher during warm (2.3 +/- 1.6 ml/kg/h) than during cool (0.9 +/- 0.7 ml/kg/h) insufflation (p < 0. 05). Two of 13 patients with warm and 11 of 13 patients with cool pneumoperitoneum needed mannitol to maintain adequate diuresis (p < 0.05). CONCLUSIONS: Warm insufflation probably causes a local vasodilation in the kidneys and may be beneficial to patients with borderline renal function.[1]

References

  1. Effect of temperature of insufflated CO2 during and after prolonged laparoscopic surgery. Bäcklund, M., Kellokumpu, I., Scheinin, T., von Smitten, K., Tikkanen, I., Lindgren, L. Surgical endoscopy. (1998) [Pubmed]
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