體外循環(huán)中復(fù)溫對丙泊酚血藥濃度的影響
發(fā)布時間:2019-04-02 01:38
【摘要】:目的探討心臟瓣膜置換術(shù)中體外循環(huán)(CPB)復(fù)溫階段丙泊酚血藥濃度的變化及其臨床意義。方法選擇ASAⅡ、Ⅲ級風(fēng)濕性心臟病擇期行雙瓣膜置換術(shù)的患者60例,根據(jù)麻醉維持階段丙泊酚泵注的速度不同分為兩組,C3組泵注速度3 mg/(kg·h),C6組泵注速度6 mg/(kg·h),每組30例。按預(yù)先設(shè)定的時間點經(jīng)患者橈動脈采取動脈血,T0為肝素化后10 min;T1為CPB后30 min,溫度30℃時;T2為溫度32℃時;T3為溫度34℃時;T4為溫度36℃時;T5為復(fù)溫完成后10 min,溫度約37℃。采集的血樣標(biāo)本經(jīng)3 000 r/min離心提取上清液,將血漿保存在-70℃冰箱以待測定血漿丙泊酚濃度。通過高效液相色譜法(HPLC)測定血漿丙泊酚濃度。結(jié)果 T1與T4、T2與T4、T4與T5丙泊酚血藥濃度比較差異均有統(tǒng)計學(xué)意義(P0.05)。T5和T4相比,丙泊酚血藥濃度有所下降(P0.05)。結(jié)論 CPB復(fù)溫階段丙泊酚血藥濃度呈現(xiàn)逐步回升后下降的趨勢,需適當(dāng)追加麻醉藥物防止術(shù)中知曉的發(fā)生。
[Abstract]:Objective to investigate the changes of propofol concentration in plasma during cardiopulmonary bypass (CPB) during cardiac valve replacement and its clinical significance. Methods Sixty patients with ASA 鈪,
本文編號:2452105
[Abstract]:Objective to investigate the changes of propofol concentration in plasma during cardiopulmonary bypass (CPB) during cardiac valve replacement and its clinical significance. Methods Sixty patients with ASA 鈪,
本文編號:2452105
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