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. 2023 Mar 27;12(7):2524.
doi: 10.3390/jcm12072524.

Comparison of Early and Late Surgeries after Coronary Stent Implantation in Patients with Normal Preoperative Troponin Level: A Retrospective Study

Sang Hyun Lee  1 , Eun Kyung Lee  1 , Hyun Joo Ahn  1 , Sangmin M Lee  1 , Jie Ae Kim  1 , Mikyung Yang  1 , Ji Won Choi  1 , Jeayoun Kim  1 , Heejoon Jeong  1 , Seungmo Kim  1 , Jinseo Kim  2 , Joonghyun Ahn  2
Affiliations

Comparison of Early and Late Surgeries after Coronary Stent Implantation in Patients with Normal Preoperative Troponin Level: A Retrospective Study

Sang Hyun Lee et al. J Clin Med. .

Abstract

Current guidelines recommend delaying noncardiac surgery for 6 months after drug eluting stent implantation. However, this recommendation is largely based on limited evidence and various event definitions. Whether early surgery within 6 months of coronary stent implantation increases myocardial injury in patients with normal preoperative high-sensitivity cardiac troponin I (hs-cTnI) has not yet been investigated. This retrospective study assessed patients who received coronary stent implantation and underwent noncardiac surgery (vascular, abdominal, or thoracic) between 2010 and 2017 with normal preoperative hs-cTnI (n = 186). Patients were divided into early (within 6 months of PCI) and late (after 6 months of PCI) groups. The primary endpoint was the incidence of myocardial injury as diagnosed by hs-cTnI within 3 days post-operation. The secondary outcomes were myocardial infarction, stent thrombosis, emergent coronary revascularization, major bleeding (bleeding requiring transfusion or intracranial bleeding), stroke, renal failure, heart failure, or death within 30 days post-operation. Inverse probability treatment weighting (IPTW) was carried out to adjust for the intergroup baseline differences. Myocardial injury occurred in 28.6% (8/28) and 27.8% (44/158) of the early and late groups, respectively, with no difference between groups (odds ratio [OR] 1.067, 95% confidence interval [CI] 0.404, 2.482; p = 0.886). Secondary outcomes did not differ between the groups. IPTW analysis also showed no differences in myocardial injury and secondary outcomes between the groups. In conclusion, early surgery within 6 months after coronary stent implantation did not increase the incidence of myocardial injury in patients with normal preoperative hs-cTnI.

Keywords: coronary stents; noncardiac surgery; stent to surgery time interval; troponin I.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Flow diagram. PCI, percutaneous coronary intervention; Hs-cTnI, high-sensitivity cardiac troponin I; CABG, coronary artery bypass surgery.
Figure 2
Figure 2
Incidence of composite events (myocardial injury or major bleeding) between early (9/28 [32.2%]) and late groups (56/158 [35.4%]) were not different (p = 0.690). Major bleeding included bleeding requiring transfusion or intracranial hemorrhage within 30 days post-operation.
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