Key result
Percutaneous transluminal coronary angioplasty achieved a technical success rate of 81% in patients with unstable angina compared to 52% in patients with stable angina.
Why the study?
Does percutaneous transluminal coronary angioplasty have comparable safety and efficacy in patients with unstable angina compared to those with stable angina?
Cohort (n=50)
Yes
Does percutaneous transluminal coronary angioplasty have comparable safety and efficacy in patients with unstable angina compared to those with stable angina?
Absolute Event Rate: 81% vs 52%
Percutaneous transluminal coronary angioplasty can be performed in patients with unstable angina with technical success and restenosis rates that are comparable to or better than those seen in stable angina.
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Supports higher PTCA success in unstable angina; leaves open confirmation in randomized trials before practice change.
Quigley et al. (1986) conducted a cohort in Unstable angina and stable angina (n=50). Percutaneous transluminal coronary angioplasty (PTCA) vs. PTCA in stable angina was evaluated on Technical success of attempted dilatations. Percutaneous transluminal coronary angioplasty achieved a technical success rate of 81% in patients with unstable angina compared to 52% in patients with stable angina.
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