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Relationship between signal intensity of blood flow in the pulmonary artery obtained by magnetic resonance imaging and results of right cardiac catheterization in patients with pulmonary disease

Journal Article:

Abstract

Electrocardiogram-gated spin-echo magnetic resonance (MR) images of the chest were obtained in five normal controls and 35 patients with pulmonary disease (11 chronic obstructive pulmonary disease, 6 pulmonary thromboembolism, 5 primary pulmonary hypertension, 4 interstitial pulmonary disease, 4 pulmonary hypertension with disturbance of portal circulation, and 5 other diseases) who underwent right cardiac catheterization. In transverse images at the level of the right main pulmonary artery (rPA) and sagittal images at the level through the midsternal line and the spinal cord, the signal intensity of blood flow in the rPA was quantitatively evaluated, and the correlations with the MR signal intensity of intravascular flow and the parameters of hemodynamics were studied. In diastole MR images of both normal controls and patients mostly showed a significant signal and visible flow images. In systolic MR images, the mean values of hemodynamic parameters (mean pulmonary arterial pressure (mPAP), pulmonary arteriolar resistance (PAR), and cardiac index (CI)) were abnormal in patients with significant signal intensity of flow compared with those in patients without sufficient MR signal. The signal intensity was not correlated with mPAP; however, it significantly increased as PAR increased, and it increased as CI decreased both in diastole and in systole. Especially  More>>
Publication Date:
Aug 01, 1992
Product Type:
Journal Article
Reference Number:
JPN-92-012255; EDB-93-015913
Resource Relation:
Journal Name: Nippon Kyobu Shikkan Gakkai Zasshi (Journal of Thoracic Diseases); (Japan); Journal Volume: 30:8
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; LUNGS; NMR IMAGING; ARTERIES; BLOOD FLOW; BRONCHITIS; ELECTROCARDIOGRAMS; HEART; HYPERTENSION; PATIENTS; SIGNALS; BLOOD VESSELS; BODY; CARDIOVASCULAR DISEASES; CARDIOVASCULAR SYSTEM; DIAGNOSTIC TECHNIQUES; DIAGRAMS; DISEASES; ORGANS; RESPIRATORY SYSTEM; RESPIRATORY SYSTEM DISEASES; SYMPTOMS; VASCULAR DISEASES; 550602* - Medicine- External Radiation in Diagnostics- (1980-)
OSTI ID:
6919625
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Journal ID: ISSN 0301-1542; CODEN: NKYZA2
Submitting Site:
JPN
Size:
Pages: 1496-1506
Announcement Date:

Journal Article:

Citation Formats

Yuguchi, Yasutoshi, Nagao, Keiichi, Kouno, Norihiro, Tanabe, Nobuhiro, Okita, Shinya, Tojima, Hirokazu, Okada, Osamu, Kuriyama, Takayuki, and Yamaguchi, Tetsuo. Relationship between signal intensity of blood flow in the pulmonary artery obtained by magnetic resonance imaging and results of right cardiac catheterization in patients with pulmonary disease. Japan: N. p., 1992. Web.
Yuguchi, Yasutoshi, Nagao, Keiichi, Kouno, Norihiro, Tanabe, Nobuhiro, Okita, Shinya, Tojima, Hirokazu, Okada, Osamu, Kuriyama, Takayuki, & Yamaguchi, Tetsuo. Relationship between signal intensity of blood flow in the pulmonary artery obtained by magnetic resonance imaging and results of right cardiac catheterization in patients with pulmonary disease. Japan.
Yuguchi, Yasutoshi, Nagao, Keiichi, Kouno, Norihiro, Tanabe, Nobuhiro, Okita, Shinya, Tojima, Hirokazu, Okada, Osamu, Kuriyama, Takayuki, and Yamaguchi, Tetsuo. 1992. "Relationship between signal intensity of blood flow in the pulmonary artery obtained by magnetic resonance imaging and results of right cardiac catheterization in patients with pulmonary disease." Japan.
@misc{etde_6919625,
title = {Relationship between signal intensity of blood flow in the pulmonary artery obtained by magnetic resonance imaging and results of right cardiac catheterization in patients with pulmonary disease}
author = {Yuguchi, Yasutoshi, Nagao, Keiichi, Kouno, Norihiro, Tanabe, Nobuhiro, Okita, Shinya, Tojima, Hirokazu, Okada, Osamu, Kuriyama, Takayuki, and Yamaguchi, Tetsuo}
abstractNote = {Electrocardiogram-gated spin-echo magnetic resonance (MR) images of the chest were obtained in five normal controls and 35 patients with pulmonary disease (11 chronic obstructive pulmonary disease, 6 pulmonary thromboembolism, 5 primary pulmonary hypertension, 4 interstitial pulmonary disease, 4 pulmonary hypertension with disturbance of portal circulation, and 5 other diseases) who underwent right cardiac catheterization. In transverse images at the level of the right main pulmonary artery (rPA) and sagittal images at the level through the midsternal line and the spinal cord, the signal intensity of blood flow in the rPA was quantitatively evaluated, and the correlations with the MR signal intensity of intravascular flow and the parameters of hemodynamics were studied. In diastole MR images of both normal controls and patients mostly showed a significant signal and visible flow images. In systolic MR images, the mean values of hemodynamic parameters (mean pulmonary arterial pressure (mPAP), pulmonary arteriolar resistance (PAR), and cardiac index (CI)) were abnormal in patients with significant signal intensity of flow compared with those in patients without sufficient MR signal. The signal intensity was not correlated with mPAP; however, it significantly increased as PAR increased, and it increased as CI decreased both in diastole and in systole. Especially in systole, there was good correlation between the signal intensity in transverse MR images and CI and between signal intensity in sagittal MR images and PAR . These results suggest that the signal intensity of blood flow in the rPA on MR images can be used as an index of the severity of right heart failure associated with pulmonary disease. MR imaging is a useful modality to evaluate pulmonary circulation disturbance because of its ability to assess blood flow in the pulmonary artery noninvasively without interference from other structures such as bone and normal lung. (J.P.N.).}
journal = {Nippon Kyobu Shikkan Gakkai Zasshi (Journal of Thoracic Diseases); (Japan)}
volume = {30:8}
journal type = {AC}
place = {Japan}
year = {1992}
month = {Aug}
}