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Year : 2022  |  Volume : 23  |  Issue : 2  |  Page : 73-77

Surviving a decade or more after coronary revascularization in a middle Eastern population: The impact of diabetes mellitus

1 Cardiovascular Department, Jordan Hospital, Amman, Jordan
2 Cardiology Department, Abdali Medical Center, Amman, Jordan
3 Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
4 Cardiology Department, Istishari Hospital, Amman, Jordan

Correspondence Address:
Dr. Imad A Alhaddad
Department of Cardiovascular, Jordan Hospital, Queen Nour Street, Amman 11152
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Source of Support: None, Conflict of Interest: None


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Introduction: Studies that evaluate Middle Eastern patients who have long-term survival after coronary artery revascularization are scarce. The prevalence of diabetes mellitus (DM) is high and rapidly increasing in our region. Methods: The study enrolled consecutive ambulatory or in-patients who had percutaneous coronary intervention (PCI) or coronary artery bypass graft (CABG) surgery at least 10 years earlier. Collected data included cardiovascular risk factors at the time of the index revascularization and evolution of risk factors since then, the occurrence of cardiovascular events, and the need for coronary revascularization after the index procedure. Events were compared between patients with DM and no DM at baseline. Results: The study population consisted of 891 consecutive patients with 351 patients (39.4%) had DM and 540 patients (60.6%) had no DM. The mean age at baseline was 53.9 ± 8.8 years for DM patients and 53.0 ± 9.8 years for no DM patients (P = 0.16). At baseline, the DM group had more hypertension (70.9% vs. 27.6%, P < 0.0001), more dyslipidemias (12% vs. 5.2%, P = 0.001) but less smokers compared to no DM group (44.4% vs. 58.3%, P < 0.001). DM and no DM groups had similar proportion of PCI (65.5% vs. 68.3%, P = 0.42) and CABG (34.5% vs. 31.7%, P = 0.43) at baseline. Following the index revascularization procedure, acute coronary events, heart failure, and stroke developed in similar proportions in the two groups. Repeat revascularization after the index procedure showed that the DM group had more PCI compared to no DM group (52.7% vs. 45.4%, P = 0.04) but similar proportions of CABG (7.1% vs. 9.8%, P = 0.20). Conclusions: In this retrospective observation of Middle Eastern patients who survived at least a decade after coronary revascularization, the DM group had more hypertension and dyslipidemias but fewer smokers compared to no DM at baseline. During follow-up, the DM group required more PCI revascularization compared with no DM group.

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