USEFULNESS OF THE CONTINUOUS-WAVE DOPPLER-DERIVED PULMONARY ARTERIAL-RIGHT VENTRICULAR PRESSURE GRADIENT JUST BEFORE ATRIAL CONTRACTION FOR THE ESTIMATION OF PULMONARY ARTERIAL DIASTOLIC AND WEDGE PRESSURES

Murayama, Michito; Mikami, Taisei; Kaga, Sanae; Okada, Kazunori; Hioka, Takuma; Masauzi, Nobuo; Nakabachi, Masahiro; Nishino, Hisao; Yokoyama, Shinobu; Nishida, Mutsumi; Iwano, Hiroyuki; Sakakibara, Mamoru; Yamada, Satoshi; Tsutsui, Hiroyuki

USEFULNESS OF THE CONTINUOUS-WAVE DOPPLER-DERIVED PULMONARY ARTERIAL-RIGHT VENTRICULAR PRESSURE GRADIENT JUST BEFORE ATRIAL CONTRACTION FOR THE ESTIMATION OF PULMONARY ARTERIAL DIASTOLIC AND WEDGE PRESSURES

Murayama, Michito; Mikami, Taisei; Kaga, Sanae et al.

Ultrasound in medicine and biology, 2017, 43(5), 958-966

Permalink : https://hdl.handle.net/2115/70637

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アクセス権	open access
URI	https://hdl.handle.net/2115/70637
タイトル	USEFULNESS OF THE CONTINUOUS-WAVE DOPPLER-DERIVED PULMONARY ARTERIAL-RIGHT VENTRICULAR PRESSURE GRADIENT JUST BEFORE ATRIAL CONTRACTION FOR THE ESTIMATION OF PULMONARY ARTERIAL DIASTOLIC AND WEDGE PRESSURES
著者	Murayama, Michito ; Mikami, Taisei ; Kaga, Sanae ; Okada, Kazunori ; Hioka, Takuma ; Masauzi, Nobuo ; Nakabachi, Masahiro ; Nishino, Hisao ; Yokoyama, Shinobu ; Nishida, Mutsumi ; Iwano, Hiroyuki ; Sakakibara, Mamoru ; Yamada, Satoshi ; Tsutsui, Hiroyuki
著者名 Murayama, Michito
e-Rad_Researcher 90250456 著者名 Mikami, Taisei
著者名 Kaga, Sanae
著者名 Okada, Kazunori
著者名 Hioka, Takuma
著者名 Masauzi, Nobuo
著者名 Nakabachi, Masahiro
著者名 Nishino, Hisao
著者名 Yokoyama, Shinobu
e-Rad_Researcher 90404722 著者名 Nishida, Mutsumi
e-Rad_Researcher 50622354 著者名 Iwano, Hiroyuki
著者名 Sakakibara, Mamoru
e-Rad_Researcher 80374320 著者名 Yamada, Satoshi
e-Rad_Researcher 70264017 著者名 Tsutsui, Hiroyuki
言語	英語
キーワード	Continuous-wave Doppler echocardiography
	Pulmonary regurgitation
	Pulmonary arterial diastolic pressure
	Pulmonary arterial wedge pressure
	Right atrial contraction
発行日	2017-05
出版者	Elsevier
収録物名	Ultrasound in medicine and biology
巻(号)	43(5)
ページ	958-966
抄録	In our new echocardiographic method, pulmonary regurgitant velocity immediately before right atrial (RA) contraction is used to estimate pulmonary artery diastolic pressure (PADP) and mean PA wedge pressure (MPAWP). Our aim here was to compare the usefulness of this new method with that of the conventional method, which uses pulmonary regurgitant velocity at end diastole. We studied 55 consecutive patients who underwent echocardiography and right-sided heart catheterization. The pulmonary regurgitant velocities just before RA contraction and at end diastole were measured to obtain echocardiographic estimates of PADP (EPADP(preA) and EPADP(ED), respectively) by adding the pressure gradients to the echocardiographically estimated RA pressure. Compared with EPADP(ED), EPADP(preA) correlated better with PADP (r = 0.87) and MPAWP (r = 0.80), and direct fixed biases were detected for EPADP(ED) but not for EPADP(preA). The area under the receiver operating characteristic curve distinguishing patients with MPAWP > 18 mm Hg was greater for EPADP(preA) (0.97) than for E/e' (0.94) and E/A (0.83). EPADP(preA) is thus useful in estimating PADP and MPAWP in patients with heart disease.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報	© 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
PISSN	0301-5629
EISSN	1879-291X
関連情報	PMID 28256342
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.ultrasmedbio.2017.01.006