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400037 重庆,陆军军医大学(第三军医大学)第二附属医院全军心血管外科研究所
[ 肖颖彬,E-mail:xiaoyb@tmmu.edu.cn XIAO Yingbin, E-mail:xiaoyb@tmmu.edu.cn
收稿:2020-01-05,
修回:2020-03-06,
纸质出版:2020-05-15
移动端阅览
郝智鹏, 王咏, 朱雨, 等. Stanford A型主动脉夹层术后重度低氧血症临床分析[J]. 第三军医大学学报, 2020,42(9):929-936.
Zhipeng HAO, Yong WANG, Yu ZHU, et al. Severe hypoxemia after Stanford A aortic dissection surgery: a clinical analysis of 162 cases[J]. Journal of Third Military Medical University, 2020, 42(9): 929-936.
郝智鹏, 王咏, 朱雨, 等. Stanford A型主动脉夹层术后重度低氧血症临床分析[J]. 第三军医大学学报, 2020,42(9):929-936. DOI: 10.16016/j.1000-5404.202001031.
Zhipeng HAO, Yong WANG, Yu ZHU, et al. Severe hypoxemia after Stanford A aortic dissection surgery: a clinical analysis of 162 cases[J]. Journal of Third Military Medical University, 2020, 42(9): 929-936. DOI: 10.16016/j.1000-5404.202001031.
目的
2
对Stanford A型主动脉夹层进行临床分析,探讨手术后重度低氧血症的危险因素。
方法
2
纳入2016年1月至2019年3月期间162例Stanford A型主动脉夹层并接受住院手术治疗的患者进行回顾性分析。患者术后72 h内氧合指数(PaO
2
/FiO
2
)≤100 mmHg为重度低氧组,PaO
2
/FiO
2
>
100 mmHg为非重度低氧血症组。比较两组患者围术期临床指标,并分析重度低氧血症相关危险因素。
结果
2
患者术后重度低氧血症发生率50.6%(82/162),重度低氧血症患者机械通气时间、术后ICU时间和术后住院时间较非重度低氧血症组患者显著延长(
P
<
0.05)。术后早期死亡率11.7%(19/162),重度低氧血症组17.1%(14/82)显著高于非重度低氧血症组6.1%(5/80)(
P
=0.032);多因素回归分析显示,BMI
>
24 kg/m
2
,术前PaO
2
/FiO
2
≤300 mmHg和体外循环(cardiopulmonary bypass
CPB)时间
>
195 min为术后重度低氧血症的独立危险因素。
结论
2
BMI
>
24 kg/m
2
、术前PaO
2
/FiO
2
≤300 mmHg、CPB时间
>
195 min是Stanford A型主动脉夹层术后重度低氧血症的独立危险因素。
Objective
2
To investigate the risk factors for post-operative severe hypoxemia in patients with Stanford A aortic dissection.
Methods
2
Clinical data of 162 patients with Stanford A aortic dissection undergoing surgical treatment in our hospital from January 2016 to March 2019 were collected and retrospectively analyzed in this study. According to their oxygenation index(PaO
2
/FiO
2
) within 72 h after operation
they were divided into severe hypoxia group (≤100 mmHg) and non-severe hypoxemia group(
>
100 mmHg). The perioperative clinical indexes were compared between the 2 groups
and the risk factors of severe hypoxemia were analyzed.
Results
2
The incidence of severe hypoxemia was 50.6%(82/162) in the cohort. The severe hypoxia group had significantly longer time of mechanical ventilation
postoperative length of ICU stay and hospital stay when compared with the non-severe hypoxia group(all
P
<
0.05). The total mortality rate was 11.7%(19/162)
with that in the severe group obviously higher than that of the other group. Multivariate regression analysis showed that BMI
>
24 kg/m
2
(
OR
=2.604
95%
CI
: 1.055~6.427
P
=0.038)
preoperative PaO
2
/FiO
2
≤300 mmHg(
OR
=2.963
95%
CI
: 1.283~6.841
P
=0.011) and cardiopulmonary bypass(CPB) time
>
195 min(
OR
=1.007
95%
CI
: 1.000~1.014
P
<
0.044) were independent risk factors for post-operative severe hypoxemia after surgery.
Conclusion
2
BMI
>
24 kg/m
2
preoperative PaO
2
/FiO
2
≤300 mmHg and CPB time
>
195 min are independent risk factors for post-operative severe hypoxemia after surgery of Stanford type A aortic dissection.
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