| 肺泡－动脉血氧分差在急诊肺栓塞筛查中的意义 |
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| 引用本文： | 张涛,曹守冬,张斌,林玲玲. 肺泡－动脉血氧分差在急诊肺栓塞筛查中的意义[J]. 临床肺科杂志, 2009, 14(5): 579-579 |
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| 作者姓名： | 张涛 曹守冬 张斌 林玲玲 |
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| 作者单位： | 1. 北京煤炭总医院急诊科,100028
2. 北京友谊医院急诊科,100028 |
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| 摘 要： | 目的探讨肺泡-动脉血氧分差（P（A—a）O2）改变在早期肺栓塞筛查的意义。方法以53例急性肺栓塞病例作为观察组，作单样本t检验。结果肺栓塞组血气资料pH值（7．423±0．048）在正常值范围。存在低氧血症（62．9±26．72）；PaCO2降低；肺泡-动脉血氧分差（P（A-a）O2增大（37．455±17．226，P〈0．01）。讨论肺泡动脉血氧分差增大，在肺栓塞临床可能性测评表基础上结合D—Dimer等检查可提高急诊早期肺栓塞诊断准确率。
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| 关 键 词： | 肺栓塞 血气分析 诊断 |
Significance of alveolar-arterial partial pressure of oxygen difference for emergency pulmonary embolism patients |
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| ZHANG Tao,CAO Shou-dong,ZHANG Bin,LIN Ling-ling. Significance of alveolar-arterial partial pressure of oxygen difference for emergency pulmonary embolism patients[J]. Journal of Clinical Pulmonary Medicine, 2009, 14(5): 579-579 |
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| Authors: | ZHANG Tao CAO Shou-dong ZHANG Bin LIN Ling-ling |
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| Affiliation: | ZHANG Tao,CAO Shou-dong,ZHANG Bin,LIN Ling-ling The Department of Emergency,Beijing Coal General Hospital,Beijng 10028,China |
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| Abstract: | Objective To investigate the change of alveolar-arterial partial pressure of oxygen difference in emergency pulmonary embolism patients. Methods 53 eases emergency of pulmonary embolism patients were observed, one group t-test was conducted. Results Blood gas material showed that PH values were normal. The values of PaO2 （62. 9±26. 72） and PaCO2 （34. 645±4. 549） were low, but the value of P （A-a） O2 （mmHg） （37. 455 ± 17. 226） were significantly higher （ P 〈 0. 01 ）. Conclusion High alveolar-arterial partial pressure of oxygen difference combined with D-Dimer and PTP values is useful in the early diagnosis of pulmonary embolism. |
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| Keywords: | pulmonary embolism blood gas analysis diagnosis |
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