三种超声心动图经验公式评估高原某部官兵肺动脉压的比较

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Abstract Objective To assess the differences of pulmonary artery pressure measured by different empirical formula of echocardiography in highland population. Methods A total of 105 officers and soldiers stationed at altitudes of 4000 m～5000 m were included in the study, and three kinds of echocardiography were performed by an experienced sonographer.The mean pulmonary arterial pressure(MPAP) were measured by Formula 1,MPAP=0.62×pulmonary arterial systolic pressure(PASP)+2 mmHg, Formula 2,MPAP=79-0.45×pulmonary artery acceleration time(PAAT)and Formula 3,MPAP=90-0.61×PAAT. Results Tricuspid regurgitant flow could be identified in approximately 82.86%(87/105) of the healthy subjects, and 71.43%(75/105) of the subjects could be obtained satisfactory tricuspid regurgitation to allow PASP estimation, while 100% subjects(105/105) could be obtained satisfactory pulmonary artery flow spectrum to allow MPAP estimation.The mean pulmonary arterial pressures measured by F1,F2 and F3 were (22.35±5.19) mmHg,(29.57±5.55) mmHg and (22.51±7.08) mmHg respectively. The parameters of F2 was statistically different from F1, P<0.01). Pearson correlation analysis showed that the correlation coefficient was 0.53 between F1 and F2,while the correlation coefficient was 0.59 between F1 and F3.Bland-Altman consistency analysis showed that the test results bias of F1 and F2 was -7.22 mmHg, and the 95% consistency limit was (-17.40,2.97) mmHg, while the test results bias of F1 and F3 was -0.16 mmHg, the 95% consistency limit was (-11.58,11.27) mmHg. and the maximum points out(ratio)was 1.33%(1/75) in these two methods. Conclusions Mean pulmonary arterial pressures of plateau population measured by the two empirical formulas derived from PAAT are moderately correlated with the empirical formula derived from tricuspid regurgitation, and there is a good consistency for MPAP measurement between F1 and F3.

Key words： echocardiography highland pulmonary artery pressure formula

Received: 07 April 2022

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	Articles by authors
	WU Chiqiu
	LIN Haiping
	YU Dan
	YAN Xuqing
	MEIDUO Zuoga

Cite this article:

WU Chiqiu,LIN Haiping,YU Dan等. Comparison of different empirical formula of echocardiography in evaluating pulmonary artery pressure in highland population[J]. Med. J. Chin. Peop. Armed Poli. Forc., 2023, 34(1): 1-4.

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http://journal08.magtechjournal.com/Jwk_wjyx/EN/ OR http://journal08.magtechjournal.com/Jwk_wjyx/EN/Y2023/V34/I1/1

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