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Pressure-regulated volume-controlled ventilation during videothoracoscopic bleb excision / 中国医师进修杂志
Chinese Journal of Postgraduates of Medicine ; (36): 16-17, 2010.
Article in Chinese | WPRIM | ID: wpr-390263
ABSTRACT
Objective To explore the difference between pressure-regulated volume controlled ventilation (PRVCV) and volume controlled ventilation (VCV) during videothoracoscopic bhb excision.Methods Consecutive 20 patients scheduled to undergo videothoracoscopic bleb excision were enrolled into the study.After induction, endotracheal blocker was advanced into endotracheal tube to establish one-lung ventilation,each patient was randomly assigned to receive successively PRVCV and VCV for 20 minutes.Ventilatory variables were kept constantly(tide volume 6 ml/kg, respiratory rate 15 breaths/min and I E ratio 1 2).Heart rate,blood pressure,peak airway pressure and blood gas parameters were compared.Results Peak airway pressure was significantly lower with PRVCV than that with VCV [(12.7±3.6 ) cmH_2O(1 cm H_2O =0.098 kPa) vs (18.2±4.3) cm H_2O,P < 0.01].However,there was no significant difference in arterial oxygen tension,arterlal partial pressure of carbon dioxide,heart rate and blood pressure between PRVCV and VCV.Conclusion During one-lung ventilation in videothoracoscopic bleb excision, PRVCV offers lower peak inspiratory airway pressures while maintaining equal oxygenation compared with VCV.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Postgraduates of Medicine Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Postgraduates of Medicine Year: 2010 Type: Article