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Comparison of volume-controlled and pressure-controlled ventilation in steep Trendelenburg position for robot-assisted laparoscopic radical prostatectomy.

Authors
 Eun Mi Choi  ;  Sungwon Na  ;  Young Jun Oh  ;  Koon Ho Rha  ;  Jiwon An  ;  Seung Ho Choi 
Citation
 Journal of Clinical Anesthesia, Vol.23(3) : 183-188, 2011 
Journal Title
 Journal of Clinical Anesthesia 
ISSN
 0952-8180 
Issue Date
2011
Abstract
STUDY OBJECTIVE: To compare the effects of volume-controlled ventilation (VCV) and pressure-controlled ventilation (PCV) on respiratory mechanics and hemodynamics in steep Trendelenburg position. DESIGN: Prospective, randomized clinical trial. SETTING: University hospital. PATIENTS: 34 ASA physical status 1 and 2 patients undergoing RLRP. INTERVENTIONS: Patients were randomly allocated to either the VCV (n = 17) or the PCV group (n = 17). After induction of anesthesia, each patient's lungs were ventilated in constant-flow VCV mode with 50% O(2) and tidal volume of 8 mL/kg; a pulmonary artery catheter was then inserted. After establishment of 30° Trendelenburg position and pneumoperitoneum, VCV mode was switched to PCV mode in the PCV group. MEASUREMENTS: Respiratory and hemodynamic variables were measured at baseline supine position (T1), post-Trendelenburg and pneumoperitoneum 60 minutes (T2) and 120 minutes (T3), and return to baseline after skin closure (T4). MAIN RESULTS: The PCV group had lower peak airway pressure (AP(peak)) and greater dynamic compliance (C(dyn)) than the VCV group at T2 and T3 (P < 0.05). However, no other variables differed between the groups. Pulmonary arterial pressure and central venous pressure increased at T2 and T3 (P < 0.05). Cardiac output and right ventricular ejection fraction were unchanged in both groups. CONCLUSIONS: PCV offered greater C(dyn) and lower AP(peak) than VCV, but no advantages over VCV in respiratory mechanics or hemodynamics
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/93224
DOI
10.1016/j.jclinane.2010.08.006
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실)
Yonsei Authors
나군호(Rha, Koon Ho) ; 나성원(Na, Sung Won) ; 오영준(Oh, Young Jun) ; 최승호(Choi, Seung Ho) ; 최은미(Choi, Eun Mi)
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Full Text
http://www.sciencedirect.com/science/article/pii/S0952818011000432
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