4.6 Article

Low-Dose Unfractionated Heparin with Sequential Enoxaparin in Patients with Diabetes Mellitus and Complex Coronary Artery Disease during Elective Percutaneous Coronary Intervention

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CHINESE MEDICAL JOURNAL
卷 131, 期 7, 页码 764-769

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MEDKNOW PUBLICATIONS & MEDIA PVT LTD
DOI: 10.4103/0366-6999.228251

关键词

Complex Coronary Artery Disease; Elective Percutaneous Coronary Intervention; Enoxaparin; Unfractionated Heparin

资金

  1. Beijing Municipal Administration of Hospitals' Youth Program [QML20150602]

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Background: Despite its limitations, unfractionated heparin (UFH) has been the standard anticoagulant used during percutaneous coronary intervention (PCI). This study compared the safety of low-dose UFH with sequential enoxaparin with that of UFH in patients with diabetes mellitus (DM) and complex coronary artery disease receiving elective PCI. Methods: In this retrospective study, 514 consecutive patients with atherosclerotic cardiovascular diseases and type 2 DM were admitted to the hospital and received selective PCI, from January 2013 to December 2015. All patients with PCI received low-dose UFH with enoxaparin (intraductal 50 U/kg UFH and 0.75 mg/kg enoxaparin, n = 254; UFH-Enox group) or UFH only (intraductal 100 U/kg UFH, n = 260; UFH group). The study endpoints were major adverse cardiac events (MACEs), namely death, myocardial infarction (MI), stroke, target-vessel immediate revascularization (TVR), and thrombolysis in MI (TIMI) major bleeding, within 30 days and 1 year after PCI. Any catheter thrombosis during the procedure was recorded. Results: Only one patient had an intraductal thrombus in the UFH group. At the 30-day follow-up, no MACE occurred in any group; seven and five cases of recurrent angina and/or rehospitalization were reported in the UFH-Enox and UFH groups, respectively; there was no significant difference between the two groups (chi(2) = 0.11, P = 0.77). There was no TIMI major bleeding in the groups. With respect to the 1-year endpoint, two cases of recurrent MI and two of TVRs were reported in the UFH-Enox group, whereas in the UFH group, one case of recurrent MI and three of TVRs were reported; no significant difference existed between the two groups (chi(2) = 0, P = 0.99). There were 30 and 25 recurrent angina and/or rehospitalizations in the UFH-Enox and UFH groups, respectively; there was no significant difference between the two groups (chi(2) = 0.37, P = 0.57). Conclusion: In elective PCI, low-dose UFH with sequential enoxaparin has similar effects and safety to the UFH-only method.

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