A six-year evolution of percutaneous transluminal coronary angioplasty: The Cleveland Clinic experience, 1981-1986

Simpfendorfer, Conrad; Knezinek, Valerie; Dorosti, Khosrow; Franco, Irving; Hollman, Jay; Whitlow, Patrick L.

doi:10.3949/ccjm.55.4.299

Cited by 15 publications

(1 citation statement)

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“…Since the introduction of percutaneous transluminal coronary angioplasty (PTCA) by Andreas Gruentzig in 1977 [ 11, frequent improvements in balloon angioplasty technology, including more steerable and lower-profile systems, have led to progressive improvement in procedural success rates despite the use of PTCA for increasingly complex lesions [2]. The recently introduced "balloon-on-a-wire'' system called the Probe@ (USCI, Billerica, MA) ( Fig.…”

Section: Introductionmentioning

confidence: 99%

Probe “balloon on a wire” ultra‐low‐profile coronary catheter: Results of ptca in 107 patients

Martínez

Pichard

Little

et al. 1989

Cathet. Cardiovasc. Diagn.

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A new low-profile "balloon-on-a-wire" angioplasty catheter, the Probe (USCI), was used in 107 patients over a 4-month period. Twenty-nine patients had stable angina, 59 had unstable angina, and 19 had had myocardial infarction (MI) 3 to 15 days prior to the procedure; 71 patients had single-vessel and 36 had multi-vessel disease. In this series, 57 lesions were defined as complex. Successful dilatation was defined as a residual stenosis of less than 30%. Of 132 non-total obstructions, 127 (97%) were successfully dilated. Two distal lesions could not be reached, two lesions could not be crossed by the balloon, and a distal lesion dilatation resulted in acute closure in one case. Of 19 total obstructions, 16 (84%) were successfully dilated (mean residual stenosis 23%). The wire tip was unable to cross the lesion in the three unsuccessful procedures. Seven complications occurred in the series, all involving non-total obstructions: closure of a distal vessel and a side branch caused no clinical symptoms or EKG changes; three local dissections were tacked back with repeat dilatation; and two longitudinal dissections caused no apparent reduction in luminal diameter. The Probe's low-profile and exceptional trackability enabled it to cross very tight lesions with minimal trauma to the vessel wall. The high degree of conformability of the PET balloon minimizes vessel straightening or sheer forces and appears to reduce the potential for dissection. The device may therefore extend the indications and ease of PTCA while reducing complications of the procedure.

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Section: Introductionmentioning

confidence: 99%