Japanese
Title心筋梗塞症例における局所壁運動異常の検出 - ANT, LAO, LPO心拍同期心プールスキャンを用いて -
Subtitle原著
Authors西村恒彦*, 林田孝平*, 植原敏勇*, 小塚隆弘*
Authors(kana)
Organization*国立循環器病センター放診部
Journal核医学
Volume21
Number8
Page933-940
Year/Month1984/8
Article原著
Publisher日本核医学会
Abstract「要旨」心拍同期心プールスキャンは, 非観血的に局所壁運動異常の観察や心機能の計測が行える利点がある. 著者らは, ANT, LAO方向に加え, LPO方向から心拍同期心プールスキャンを施行, 心筋梗塞症例(前壁梗塞65例, 下壁梗塞25例)における局所運動異常の検出の有用性について検討した. 局所壁運動の判定は, 各方向にて5 segment, 収縮様式をnormalからdyskinesisの4段階に分け, スコア方式による半定量的評価法を用いた. LPO方向の心拍同期心プールスキャンにより心尖部のdyskinesisの検出, 心基底部, とくに後基底部の収縮状態の判定に有用であった. また, LVEFとWM scoreは, 良好な相関を示し, とくにLPO方向にて, 前, 下壁梗塞ともr=0.82と高かった. 本法は, 単に従来から用いているANT, LAO心拍同期心プールスキャンにLPO方向を追加するのみで, 簡単に行え, かつ局所壁運動異常を精度高くとらえるので, 今後, ルーチンに使用されるべきである.
Practice臨床医学：一般
KeywordsGated blood pool scan, Multiple view, Regional wall motion, LVEF, Myocardial infarction.
English
TitleDetection of Regional Wall Motion Abnormalities in the Patients with Myocardial Infarction : Assessment by Gated Blood Pool Scans from Multiple (ANT, LAO and LPO) Views
SubtitleOriginal Articles
AuthorsTsunehiko NISHIMURA, Kohei HAYASHIDA, Toshiisa UEHARA, Takahiro KOZUKA
Authors(kana)
OrganizationDepartment of Radiology, National Cardiovascular Center
JournalThe Japanese Journal of nuclear medicine
Volume21
Number8
Page933-940
Year/Month1984/8
ArticleOriginal article
PublisherTHE JAPANESE SOCIETY OF NUCLEAR MEDICINE
Abstract[Summary]To detect regional wall motion abnormalities is useful to identify the size and location of myocardial infarction. In this study, segmental wall motion abnormalities were evaluated by gated blood pool scan obtained from multiple (ANT, LAO and LPO) views. Each view was devided into five segments and the score of regional wall motion was assessed by semi-quantitative method (from normal=4 to dyskinesis=1). Therefore, normal wall motion score is 20 (5×4). Sixty-five cases of anterior myocardial infarction (AMI) and 25 cases of inferior myocardial infarction (IMI) were studied by ANT, LAO and LPO gated blood pool scan. The existence of LV aneurysm in apical region and the inferoposterior hypokinesis or akinesis was clearly demonstrated by LPO view in addition to ANT and LAO views. The relationship between wall motion score and LVEF was also evaluated. The correlation coefficients between wall motion and LVEF in AMI were 0.67, 0.78 and 0.81 in ANT, LAO and LPO views, respectively, and those in IMI were 0.66, 0.63, 0.82, respectively. LPO view showed best correlation between LVEF and wall motion score. In conclusion, multiple gated blood pool scan showed superior detection of segmental wall motion abnormalities noninvasively. Especially, LPO view is a useful method to detect abnormalities of basal segments. There methods are also easy procedures. Therefore, gated blood pool scan should be performed routinely in LPO view in addition to ANT and LAO views.
PracticeClinical medicine
KeywordsGated blood pool scan, Multiple view, Regional wall motion, LVEF, Myocardial infarction.

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