In vivo validation of intravascular ultrasound length measurements using a motorized transducer pullback system

被引:64
作者
Fuessl, RT [1 ]
Mintz, GS [1 ]
Pichard, AD [1 ]
Kent, KM [1 ]
Satler, LF [1 ]
Popma, JJ [1 ]
Leon, MB [1 ]
机构
[1] WASHINGTON HOSP CTR,CARDIAC CATHETERIZAT LAB,WASHINGTON,DC 20010
关键词
D O I
10.1016/S0002-9149(96)00145-2
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Using sonoreflective endovascular targets of known length (stainless steel tubular slotted stents), we have validated in vivo the accuracy and reproducibility of intravascular ultrasound length measurements using a system incorporating motorized transducer pullback through a stationary imaging sheath. Thr correlation was r = 0.936, with a measurement error of only +/- 5.2%, minimal intraobserver variability, and variability of sequential measurements of only +/- 4.8%.
引用
收藏
页码:1115 / &
页数:5
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