background: Percutaneous coronary intervention (PCI) has become one of the most commonly performed cardiac procedures in clinical practice. Due to improvement in outcomes, reduced acute complication rates, the need to reduce costs and the limited availability of hospital beds, elective PCI with same-day discharge has become an interesting option. Methods: Singlecenter registry with a retrospective evaluation of all patients undergoing elective PCI who were discharged on the same day, from January 2009 to March 2012. The rates of major adverse cardiac events (death, myocardial infarction, target-vessel revascularization and stroke), in addition to stent thrombosis, vascular complications and re-hospitalization between hospital discharge and the first 30 days of follow-up were determined. results: Sixty-nine patients were evaluated with mean age of 64.5 ± 11.2 years, most of them were male (82%), and 28% were diabetics. All patients had stable coronary artery disease and type A or B1 lesions (36% and 36% respectively). Radial access was the most commonly used approach (89%), with 5 F introducer sheaths in 56% and 6 F in the remaining patients. Procedure success was obtained in 98.5%. No clinical events were observed at the 30-day follow-up. Conclusions: Our results demonstrated that same-day discharge was safe for patients with low clinical and angiographic risk undergoing elective PCI with no procedurerelated complications.

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Objective In the clinical scenario of ST-segment elevation acute myocardial infarction, several patients with multivessel coronary atherosclerotic disease are discharged without a defined strategy to monitor the residual atherosclerotic lesions. The clinical endpoints evaluated were cardiovascular death, symptoms of angina pectoris, rehospitalization for a new acute coronary syndrome, and the necessity of reintervention during the two-year follow-up. MethodsThis observational, prospective, and historical study included multivessel coronary atherosclerotic disease patients who were admitted to a tertiary care university hospital with ST-segment elevation acute myocardial infarction and underwent primary percutaneous coronary intervention with stent implantation only at the culprit lesion site; these patients were monitored in the outpatient clinic according to two treatments: the Clinical Group - CG (optimized pharmacological therapy associated with counseling for a healthy diet and cardiac rehabilitation) or the Intervention Group - IG (new staged percutaneous coronary intervention or surgical coronary artery bypass graft surgery combined with the previously prescribed treatment). Results Of 143 patients consecutively admitted with ST-segment elevation acute myocardial infarction, 57 were eligible for the study (CG=44 and IG=13). Regarding the clinical endpoints, the cardiovascular death rate did not differ between the CG and IG. The symptom of angina pectoris and the rehospitalization rate for a new episode of acute coronary syndrome were accentuated in the CG (P=0.020 and P=0.049, respectively) mainly in individuals with evidence of ischemia evidenced by myocardial scintigraphy (P<0.001 and P=0.001, respectively) which culminated in an even greater need for reintervention (P=0.001) in this subgroup of patients. Conclusion The staged intervention was demonstrated to be safe and able to reduce angina pectoris and rehospitalization for a new episode of acute coronary syndrome. In addition, it decreases the likelihood of unplanned reinterventions of patients without ischemia evidenced by myocardial scintigraphy.

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