摘要
Objectives To compare the short and mid - term outcomes in cases of percutaneous transluminal coronary angioplasty (PTCA) in patients with unstable v stable angina. Methods Patients selected for PTCA/stenting were divided in to two groups, one with stable angina pectoris (SA group, n = 92) and one with unstable angina pectoris (UA group, n = 112). The outcomes of coronary an giographies (CAG), initial (30-d) success of the procedure, and follow - up status in the two groups were compared. Results Baseline characteristics were similar, although the patients with unstable symptoms more females ( P< 0. 05), and had a higher average CCS class (P< 0. 05) and a higher incidence of postinfarction angina ( P< 0. 01). The frequency of ' complex stenosis in patients with unstable angina was higher than that of patients with stable angina, 33% v 20% ( P< 0. 01). A total of 309 vessels ac cepted the procedure; including 210 stents were sue cessfully delivered to 156 patients. 143 and 67 stents were implanted in the UA and SA group, respectively ( P< 0. 01 ) . No major complication occurred in the two groups, except 12 patients experienced reoccur ring chest pain initially, 9 in UA group v 3 in SA group ( P< 0. 05). The averaged six - month follow -up status was compared too. Only 3 cases developed myocardial infarction, including 2 patients with unsta ble angina. 12 and 16 reoccurring chest pains were found in the two groups, respectively ( 13% in SA group vs 14% in UA group). There were no signifi cant differences between groups in rates of clinical restenosis, follow - up angina class, or overall clinical success. Conclusions Patients with unstable angina receiving PTCA/stenting have similar complication, restenosis, and initial and midterm success rate as compared to patients with stable symptoms with strict cases select and careful preparation.
Objectives To compare the short and mid - term outcomes in cases of percutaneous transluminal coronary angioplasty (PTCA) in patients with unstable v stable angina. Methods Patients selected for PTCA/stenting were divided in to two groups, one with stable angina pectoris (SA group, n = 92) and one with unstable angina pectoris (UA group, n = 112). The outcomes of coronary an giographies (CAG), initial (30-d) success of the procedure, and follow - up status in the two groups were compared. Results Baseline characteristics were similar, although the patients with unstable symptoms more females ( P< 0. 05), and had a higher average CCS class (P< 0. 05) and a higher incidence of postinfarction angina ( P< 0. 01). The frequency of ' complex stenosis in patients with unstable angina was higher than that of patients with stable angina, 33% v 20% ( P< 0. 01). A total of 309 vessels ac cepted the procedure; including 210 stents were sue cessfully delivered to 156 patients. 143 and 67 stents were implanted in the UA and SA group, respectively ( P< 0. 01 ) . No major complication occurred in the two groups, except 12 patients experienced reoccur ring chest pain initially, 9 in UA group v 3 in SA group ( P< 0. 05). The averaged six - month follow -up status was compared too. Only 3 cases developed myocardial infarction, including 2 patients with unsta ble angina. 12 and 16 reoccurring chest pains were found in the two groups, respectively ( 13% in SA group vs 14% in UA group). There were no signifi cant differences between groups in rates of clinical restenosis, follow - up angina class, or overall clinical success. Conclusions Patients with unstable angina receiving PTCA/stenting have similar complication, restenosis, and initial and midterm success rate as compared to patients with stable symptoms with strict cases select and careful preparation.
