Percutaneous coronary intervention (PCI) is a standard strategy for non-ST-segment elevation myocardial infarction (NSTEMI) as well as for ST-segment elevation myocardial infarction (STEMI). The device cost for PCI may be more expensive in NSTEMI, because the culprit lesion morphology may be more complex in NSTEMI. This study aimed to compare the total device cost of PCI between STEMI and NSTEMI. We included 504 patients with acute myocardial infraction (AMI) who underwent PCI, and divided those into a STEMI group (n = 286) and a NSTEMI group (n = 218). We compared the total device cost, the number of used devices, and procedure cost between the 2 groups. The total device cost was significantly higher in the NSTEMI group [¥371,300 (¥320,700-503,350)] than in the STEMI group [¥341,200 (¥314,200-410,475)] (p = 0.001), whereas the procedure cost was significantly higher in the STEMI group [¥343,800 (¥243,800-343,800)] than in the NSTEMI group [¥220,000 (¥216,800-243,800)] (p < 0.001). Drug eluting stent (85.3% vs. 76.1%, p = 0.029) and aspiration catheter (16.8% vs. 2.3%, p < 0.001) were more frequently used in the STEMI group, whereas rotablator (0.7% vs. 8.3%, p < 0.001) were more frequently used in the NSTEMI group. The multivariate logistic regression analysis revealed that NSTEMI was significantly associated with the high device cost (odds ratio 1.899, 95% confidence interval 1.166-3.093, p = 0.01). In conclusion, the total device cost for PCI was significantly higher in the culprit lesions of NSTEMI than in those of STEMI, whereas the procedure cost was significantly higher in the culprit lesions of STEMI than in those of NSTEMI.
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