Usefulness of the Symphony Nitinol Stent for arteriosclerosis obliterans.
The Symphony Peripheral Stent is a self-expanding stent made of thermal memory Nitinol wire. Stents were implanted in 39 lesions of 32 patients (26 men, 6 women) with atherosclerosis obliterans (ASO). The ankle-arm index (AAI), and vessel diameters evaluated by quantitative angiography were compared before and 6 months after treatment. Symphony Peripheral Stent implantation significantly improved the AAI from 0.50+/-0.4 to 0.9+/-0.2 (p<0.01), the minimum lumen diameter (MLD) from 2+/-1.5 to 5+/-1.4 mm (p<0.01) and percent diameter stenosis (% DS) from 69+/-20% to 16.5+/-8% (p<0.01). Re-evaluation of 33 of the 39 lesions 6 months after treatment revealed a low restenosis rate of 15%, an AAI of 0.8+/-0.3, MLD of 4.5+/-2 mm and %DS of 30+/-22%, so the Symphony Peripheral Stent is thus a promising choice for patients with ASO.
Kinoshita
Yoshihisa
Y
The 2nd Department of Internal Medicine, Matsue City Hospital, Shimane, Japan. miyuhina@d4.dion.ne.jp
Suzuki
Takahiko
T
Hosokawa
Hiroaki
H
Yokoya
Koichi
K
D000368:Aged; D015906:Angioplasty, Balloon, Coronary / Q000295:instrumentation; D001162:Arteriosclerosis Obliterans / Q000150:complications / Q000601:surgery*; D004867:Equipment Design; D005260:Female; D005263:Femoral Artery / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D007083:Iliac Artery / Q000601:surgery; D008297:Male; D008875:Middle Aged; D015607:Stents / Q000009:adverse effects / Q000592:standards*; D013348:Subclavian Artery / Q000601:surgery; D016896:Treatment Outcome