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- W1981711587 abstract "Revascularization of class C coronary lesions with expensive technologies or surgery is based on poor acute results using 20 mm balloons. Longer balloons and prolonged, slow oscillating inflations might reduce shear forces. To test this, PTCA of class C lesions was attempted in 76 pts. using 40 mm Cobra POC8 (Scimed) balloons inflated with oscillation increasing 1 – 2 atm/min, with a target duration of 7 – 10 min supported by Fluosol-DA (Alpha) perfusion. Endpoints were: technical success (TECH): ability to reach, cross &dilate for > 7 min; angiographic success (ANGlO): > 20% reduction & < 50% residual stenosis; clinical success (CLlN): no Q-wave MI, bypass or death prior to discharge. Results, as % (95% C.I.) were: Lesion # pts TECH ANGlO CLIN LAD 23 57 (37, 77) 91 (79, 100) 91 (79, 100) RCA 30 63 (46, 80) 100 (88, 100) 100 (88, 100) CIRC 22 82 (66, 98) 100 (85, 100) 100 (85, 100) L MAIN 1 100 (2.5, 100) 100 (2.5, 100) 100 (2.5, 100) ALL 76 68 (58, 78) 97 (93, 100) 97 (93, 100) TECH failures included: inability to cross &dilate in 01 pts, inability to tolerate 7 – 10 min dilatation in 16 pts, and use of autoperfusion balloon or stents in 9 pts. CLIN failures included bypass in 2 pts (no Q-waves or deaths). Thus, this pilot experience with PTCA of class C lesions using long duration, slow oscillating inflation of long balloons suggests a randomized trial of “long long” PTCA vs. more expensive techniques is warranted." @default.
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- W1981711587 date "1995-02-01" @default.
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- W1981711587 title "1000–37 The “Long Long” Balloon Pilot: Dilatation of Class C Coronary Lesions Using Slow, Oscillating, Prolonged Inflation of 40 mm Balloons" @default.
- W1981711587 doi "https://doi.org/10.1016/0735-1097(95)92893-a" @default.
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