VIDEODENSITOMETRIC DETERMINATION OF MINIMUM CORONARY-ARTERY LUMINAL DIAMETER BEFORE AND AFTER ANGIOPLASTY

被引:38
作者
TOBIS, J
NALCIOGLU, O
JOHNSTON, WD
QU, L
REESE, T
SATO, D
ROECK, W
MONTELLI, S
HENRY, WL
机构
[1] UNIV CALIF IRVINE, DIV CARDIOL, ORANGE, CA 92668 USA
[2] UNIV CALIF IRVINE, DEPT RADIOL, ORANGE, CA 92668 USA
关键词
D O I
10.1016/S0002-9149(87)80065-6
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Quantitative measurements of coronary stenoses were made from digital coronary angiograms in 19 patients before and after percutaneous transluminal coronary angioplasty (PTCA). Two methods of measurement were compared. Mean stenosis before PTCA was 67 .+-. 10% by the edge detection method and 67 .+-. 12% by videodensitometry (difference not significant). After PTCA, the mean stenosis was 32 .+-. 14% by edge detection and 30 .+-. 13% by videodensitometry (difference not significant). In addition, a new method was developed to rapidly calculate the absolute minimum luminal area and diameter by videodensitometry. The minimum luminal diameter before PTCA was 1.0 .+-. 0.5 mm and after PTCA increased to 2.4 .+-. 0.5 mm (p < 0.001). The validity of the videodensitimetric method was analyzed in a series of Lucite phantom studies, which suggested that when there is an irregular angiographic appearance, the densitometric method may be more accurate than standard edge detection methods. Digital acquistion of coronary angiograms provides a means for rapid application of quantitative analysis during coronary interventional precedures.
引用
收藏
页码:38 / 44
页数:7
相关论文
共 19 条
[1]   TRANS-LUMINAL CORONARY ANGIOPLASTY OF POSTMORTEM HUMAN HEARTS [J].
BAUGHMAN, KL ;
PASTERNAK, RC ;
FALLON, JT ;
BLOCK, PC .
AMERICAN JOURNAL OF CARDIOLOGY, 1981, 48 (06) :1044-1047
[2]  
BOOMAN F, 1979, COMPUT CARDIOL, P177
[3]   ARTERIOGRAPHIC ASSESSMENT OF CORONARY ATHEROSCLEROSIS - REVIEW OF CURRENT METHODS, THEIR LIMITATIONS, AND CLINICAL-APPLICATIONS [J].
BROWN, BG ;
BOLSON, EL ;
DODGE, HT .
ARTERIOSCLEROSIS, 1982, 2 (01) :2-15
[4]   QUANTITATIVE CORONARY ARTERIOGRAPHY - ESTIMATION OF DIMENSIONS, HEMODYNAMIC RESISTANCE, AND ATHEROMA MASS OF CORONARY-ARTERY LESIONS USING ARTERIOGRAM AND DIGITAL COMPUTATION [J].
BROWN, BG ;
BOLSON, E ;
FRIMER, M ;
DODGE, HT .
CIRCULATION, 1977, 55 (02) :329-337
[5]   VARIABILITY IN ANALYSIS OF CORONARY ARTERIOGRAMS [J].
DEROUEN, TA ;
MURRAY, JA ;
OWEN, W .
CIRCULATION, 1977, 55 (02) :324-328
[6]   OBSERVER AGREEMENT IN EVALUATING CORONARY ANGIOGRAMS [J].
DETRE, KM ;
WRIGHT, E ;
MURPHY, ML ;
TAKARO, T .
CIRCULATION, 1975, 52 (06) :979-986
[7]  
GRUENTZIG AR, 1982, HEART, P1904
[8]   PERCUTANEOUS TRANS-LUMINAL CORONARY ANGIOPLASTY - REPORT FROM THE REGISTRY OF THE NATIONAL-HEART-LUNG-AND-BLOOD-INSTITUTE [J].
KENT, KM ;
BENTIVOGLIO, LG ;
BLOCK, PC ;
COWLEY, MJ ;
DORROS, G ;
GOSSELIN, AJ ;
GRUNTZIG, A ;
MYLER, RK ;
SIMPSON, J ;
STERTZER, SH ;
WILLIAMS, DO ;
FISHER, L ;
GILLESPIE, MJ ;
DETRE, K ;
KELSEY, S ;
MULLIN, SM ;
MOCK, MB .
AMERICAN JOURNAL OF CARDIOLOGY, 1982, 49 (08) :2011-2020
[9]  
LEU HJ, 1978, HEIDELBERG
[10]   QUANTITATIVE CORONARY ANGIOGRAPHY - MEASUREMENT OF THE CRITICAL STENOSIS IN PATIENTS WITH UNSTABLE ANGINA AND SINGLE-VESSEL DISEASE WITHOUT COLLATERALS [J].
MCMAHON, MM ;
BROWN, BG ;
CUKINGNAN, R ;
ROLETT, EL ;
BOLSON, E ;
FRIMER, M ;
DODGE, HT .
CIRCULATION, 1979, 60 (01) :106-113