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- W2059279569 abstract "Background Changes in Paco2 have not been described during thoracoscopy under sedation-assisted local anesthesia. We hypothesized that hypoventilation might occur secondary to administration of sedatives and decreased ventilation in one lung. Aim Prospectively measure cutaneous carbon dioxide tension (Pcco2) in addition to pulse oximetric saturation (Spo2) using a new combined digital sensor to examine the occurrence of hypoventilation during thoracoscopy under sedation-assisted local anesthesia. Setting University hospital. Methods Following validation studies, Pcco2 was prospectively measured in 16 consecutive patients undergoing thoracoscopy under sedation-assisted local anesthesia using a combined digital earlobe sensor measuring Spo2 (percentage) and Pcco2 (millimeters of mercury). All patients received supplemental oxygen. Routine BP monitoring and Spo2 was continued. Patients received IV hydrocodone, 5 mg, and intermittent boluses or IV midazolam and pethidine. Results Mean baseline Pcco2 measurement was 39.1 ± 7.2 mm Hg (± SD) [range, 27.5 to 50.5 mm Hg], and peak measurement during the procedure was 52.3 ± 10.3 mm Hg (range, 37.2 to 77 mm Hg) [p < 0.001]. Median and mean changes in Pcco2 measurement from baseline were 13.0 mm Hg and 13.2 ± 5.3 mm Hg (range, 5.5 to 27.8 mm Hg), respectively. Mean fall in Spo2 during the procedure was 4.6 ± 3.2% (range, 1 to 14%). Conclusions Thoracoscopy performed under sedation-assisted local anesthesia is associated with significant hypoventilation. Combined measurement of Spo2 and Pcco2 during thoracoscopy is a novel approach in the monitoring of ventilation, enhancing patient safety, and might allow to guide the administration of sedation in a better way. Changes in Paco2 have not been described during thoracoscopy under sedation-assisted local anesthesia. We hypothesized that hypoventilation might occur secondary to administration of sedatives and decreased ventilation in one lung. Prospectively measure cutaneous carbon dioxide tension (Pcco2) in addition to pulse oximetric saturation (Spo2) using a new combined digital sensor to examine the occurrence of hypoventilation during thoracoscopy under sedation-assisted local anesthesia. University hospital. Following validation studies, Pcco2 was prospectively measured in 16 consecutive patients undergoing thoracoscopy under sedation-assisted local anesthesia using a combined digital earlobe sensor measuring Spo2 (percentage) and Pcco2 (millimeters of mercury). All patients received supplemental oxygen. Routine BP monitoring and Spo2 was continued. Patients received IV hydrocodone, 5 mg, and intermittent boluses or IV midazolam and pethidine. Mean baseline Pcco2 measurement was 39.1 ± 7.2 mm Hg (± SD) [range, 27.5 to 50.5 mm Hg], and peak measurement during the procedure was 52.3 ± 10.3 mm Hg (range, 37.2 to 77 mm Hg) [p < 0.001]. Median and mean changes in Pcco2 measurement from baseline were 13.0 mm Hg and 13.2 ± 5.3 mm Hg (range, 5.5 to 27.8 mm Hg), respectively. Mean fall in Spo2 during the procedure was 4.6 ± 3.2% (range, 1 to 14%). Thoracoscopy performed under sedation-assisted local anesthesia is associated with significant hypoventilation. Combined measurement of Spo2 and Pcco2 during thoracoscopy is a novel approach in the monitoring of ventilation, enhancing patient safety, and might allow to guide the administration of sedation in a better way." @default.
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- W2059279569 date "2005-02-01" @default.
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- W2059279569 title "Detection of Hypoventilation During Thoracoscopy" @default.
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- W2059279569 doi "https://doi.org/10.1378/chest.127.2.585" @default.
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