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2003-12

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/107913

Transcranial Doppler monitoring during laparoscopic anterior lumbar interbody fusion

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https://doi.org/10.1213/01.ANE.0000087880.88858.72

Abstract

We studied the consequences on cerebral hemodynamics of lengthy laparoscopic procedures requiring pneumoperitoneum and head-down positioning. From October 1995 to April 1999, 17 ASA status I or II patients (16 women and 1 man; mean age, 38 yr) were treated with laparoscopic anterior lumbar fusion. Besides standard perioperative monitoring for laparoscopic surgery, the mean blood-flow velocity of both middle cerebral arteries and the pulsatility index were determined by transcranial Doppler ultrasound. Adequate acoustic windows were encountered in 11 of the 17 patients, and the remaining 6 were excluded from the analysis. PaCO(2) and end-tidal CO(2) were maintained within normal limits (<40 mm Hg); ventilation was optimized in all cases. There was a significant increase (P < 0.05) in heart rate and central venous pressure with the change from supine to head-down position in all patients. Transcranial Doppler results for mean middle cerebral artery blood-flow velocity and pulsatility index showed no significant variations at any of the four time points studied during the procedure. There were no technique-related complications, except for moderate postoperative headache in eight patients that resolved with rest and oxygen therapy. We conclude that lengthy laparoscopic procedures in the head-down position performed in otherwise healthy patients do not significantly affect intracranial circulation.

Subject

Laparoscòpia, Circulació sanguínia, Pressió sanguínia, Anestèsia per inhalació, Ecografia Doppler, Cirurgia laparoscòpica

Subject (English)

Laparoscopy, Circulation of the blood, Blood pressure, Inhalation anesthesia, Doppler ultrasonography, Laparoscopic surgery

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COLOMINA SOLER, M. J. (María José), et al. Transcranial Doppler monitoring during laparoscopic anterior lumbar interbody fusion. Anesthesia and Analgesia. 2003. Vol. 97, num. 6, pags. 1675-1679. ISSN 0003-2999. [consulted: 9 of June of 2026]. Available at: https://hdl.handle.net/2445/107913

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