Japanese
Title運動負荷が困難な正常心筋シンチグラフィ例におけるDipyridamole負荷心筋シンチグラフィの有用性の検討 - arm-ergometerおよび坐位ergometerとの比較 -
Subtitle原著
Authors小川洋二*, 西村恒彦*, 植原敏勇*, 林田孝平*, 下永田剛*, 伊藤彰**, 野々木宏**, 土師一夫**
Authors(kana)
Organization*国立循環器病センター放射線診療部, **心臓内科
Journal核医学
Volume29
Number10
Page1207-1213
Year/Month1992/10
Article原著
Publisher日本核医学会
Abstract「要旨」閉塞性動脈硬化症, 大動脈瘤等, 通常の運動が困難な症例におけるdipyridamole負荷心筋シンチグラフィの有用性について, arm-ergometer, 坐位ergometerと比較検討した. 心筋シンチグラム上正常像を示した56例を対象に, 血圧, 心拍数, end-point等の検査時所見, 201Tlの肺野への取り込み, washout rate, 心筋/background比を対比した. Arm-ergometer, 坐位ergometerにて目標心拍数に達した例は, それぞれ, 13例中1例, 14例中2例のみであった. Arm-ergometerにおける心筋最高カウントに対する肺野の取り込みは37±9%であり, dipyridamole負荷(29±5%)よりも有意に高かった. これには胸筋への取り込みも含まれているものと思われる. Washout rateはdipyridamole負荷が45±9%, 坐位ergometerが46±12%であり, 同等の値を呈した. Dipyridamole負荷の心筋/background比は4.6±0.8であり, 2種のergometer(arm-ergometer;3.5±0.7, 坐位ergometer;4.2±0.9%)よりも有意に高く, 最も良好な画質を示した. 運動負荷が困難な症例に, dipyridamole負荷心筋シンチグラフィは有用であった.
Practice臨床医学:一般
KeywordsDipyridamole-thallium myocardial imaging, Arteriosclerosis obliterance, Arm-ergometer, Bicycle ergometer.
English
TitleDipyridamole-Thallium Myocardial Imaging in the Patients Unable to Exercise Adequately : Comparison with Arm and Bicycle Ergometer
SubtitleOriginal Articles
AuthorsYoji OGAWA*, Tsunehiko NISHIMURA*, Toshiisa UEHARA*, Kohei HAYASHIDA*, Tsuyoshi SHIMONAGATA*, Akira ITO**, Hiroshi NONOGI**, Kazuo HAZE**
Authors(kana)
Organization*Department of Radiology and Nuclear Medicine, **Division of Cardiology, National Cardiovascular Center
JournalThe Japanese Journal of nuclear medicine
Volume29
Number10
Page1207-1213
Year/Month1992/10
ArticleOriginal article
PublisherTHE JAPANESE SOCIETY OF NUCLEAR MEDICINE
Abstract[Summary]We assessed the usefulness of dipyridamole-thallium myocardial imaging in the patients unable to exercise adequately, comparing with arm-ergometer and standard (bicycle) ergometer. Fifty-six patients with arteriosclerosis obliterance, aortic aneurysm, aortic dissection and so on, who were revealed normal imaging, were studied. Only one of 13 cases with arm-ergometer and two of 14 with bicycle ergometer reached target heart rate. Lung thallium uptake in the cases with arm-ergometer (37+-9%) is higher than that with dipyridamole (29+-5%). This elevation may be confused with pectoralis muscle uptake. Washout rate is 45+-9% with dipyridamole and 46+-12% with bicycle ergometer, respectively, though there was no significant differences. Myocardial/background counts ratio with dipyridamole (4.6+-0.8%) is significantly higher than that with arm and bicycle ergometer (arm-ergometer; 3.5+-0.7, bicycle ergometer; 4.2+-0.9). Then, myocardial image with dipyridamole have superior quality. We concluded that dipyridamole-thallium myocardial imaging is very useful in the patients who have suboptimal exercise efforts.
PracticeClinical medicine
KeywordsDipyridamole-thallium myocardial imaging, Arteriosclerosis obliterance, Arm-ergometer, Bicycle ergometer.

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