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采用Swan-Ganz导管监测老年人腹腔镜直肠癌根治术中血流动力学的变化

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摘要 目的应用Swan-Ganz肺动脉导管观察老年人腹腔镜直肠癌根治术中血流动力学的变化,探讨气腹对老年人血流动力学的影响。方法选择ASAⅠ-Ⅱ级择期行腹腔镜直肠癌根治术的老年患者30例,随机分为Ⅰ组(n=15,术中采用气腹压10 mmHg)和Ⅱ组(n=15,术中采用气腹压14 mmHg)。麻醉诱导后行桡动脉穿刺置管,监测MAP;经右颈内静脉置入7.5F Swan-Ganz肺动脉漂浮导管,监测MPAP、PAWP、CVP、CO,并计算LVSWI、SVR等。分别于气腹前(T1)、平卧位气腹后15 min(T2)及气腹并体位改变后15 min(T3)、30 min(T4)、60min(T5)、120 min(T6)和气腹结束并平卧位后15 min(T7)记录上述指标的变化。结果与T1比较,两组患者MAP、CVP、PAWP和MPAP在T2时均明显升高(P〈0.01),T3-T6时较T2进一步升高(P〈0.05或P〈0.01),组间比较又以Ⅱ组升高较为明显(P〈0.05或P〈0.01);Ⅰ组的HR在气腹期间变化不大(P〉0.05),Ⅱ组HR在T2-T6均较T1时增快(P〈0.05),T3-T6又较T2时增快(P〈0.05)。两组患者T2时的SVR较T1时升高(P〈0.05),但T3-T6时与T2比较SVR反而下降(P〈0.05)。Ⅰ组的LVSWI在T3-T6时比T1时明显升高(P〈0.01);Ⅱ组的LVSWI在T2时明显下降(P〈0.01),在T3-T7则比T2时明显升高(P〈0.01)。结论老年患者行腹腔镜直肠癌根治术时,血流动力学波动明显,CO气腹压14 mmHg比10 mmHg对老年患者血流动力学影响更大。
出处 《广东医学》 CAS CSCD 北大核心 2011年第1期75-77,共3页 Guangdong Medical Journal
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