RESUMO
Background: There is a scarcity of clinical studies which evaluate the association of atrial fibrillation (AF) and coronary artery disease (CAD) in the Middle East. The aim of this study was to evaluate the impact of CAD on baseline clinical profiles and one-year outcomes in a Middle Eastern cohort with AF. Methods: Consecutive AF patients evaluated in 29 hospitals and cardiology clinics were enrolled in the Jordan AF Study (May 2019-December 2020). Clinical and echocardiographic features, use of medications and one-year outcomes in patients with AF/CAD were compared to AF/no CAD patients. Results: Of 2020 AF patients enrolled, 216 (10.7%) had CAD. Patients with AF/CAD were more likely to be men and had significantly higher prevalence of hypertension, diabetes, dyslipidemia, heart failure and chronic kidney disease compared to the AF/no CAD patients. They also had lower mean left ventricular ejection fraction and larger left atrial size. Mean CHA2DS2 VASc and HAS-BLED scores were higher in AF/CAD patients than those with AF/no CAD (4.3 ± 1.7 vs. 3.6 ± 1.8, p < 0.0001) and (2.0 ± 1.1 vs. 1.6 ± 1.1, p < 0.0001), respectively. Oral anticoagulant agents were used in similar rates in the two groups (83.8% vs. 82.9%, p = 0.81), but more patients with AF/CAD were prescribed additional antiplatelet agents compared to patients with AF/no CAD (73.7% vs. 41.5%, p < 0.0001). At one year, AF/CAD patients, compared to AF/no CAD patients had significantly higher hospitalization rate (39.4% vs. 29.2%, p = 0.003), more acute coronary syndrome and coronary revascularization (6.9% vs. 2.4%, p = 0.004), and higher all-cause mortality (18.5% vs. 10.9%, p = 0.002). Conclusions: In this cohort of Middle Eastern patients with AF, one in 10 patients had CAD. The coexistence of AF and CAD was associated with a worse baseline clinical profile and one-year outcomes. Clinical study registration: the study is registered on clinicaltrials.gov (unique identifier number NCT03917992).
Assuntos
Fibrilação Atrial , Doença da Artéria Coronariana , Masculino , Humanos , Feminino , Doença da Artéria Coronariana/epidemiologia , Doença da Artéria Coronariana/complicações , Fibrilação Atrial/complicações , Fibrilação Atrial/epidemiologia , Volume Sistólico , Jordânia/epidemiologia , Função Ventricular Esquerda , Fatores de RiscoRESUMO
Background: Prevention of stroke and systemic embolism (SE) prevention in patients with atrial fibrillation (AF) has radically changed in recent years. Data on contemporary utilization of oral anticoagulants (OACs) and cardiovascular outcome in Middle Eastern patients with AF are needed. Methods: The Jordan atrial fibrillation (JoFib) study enrolled consecutive patients with AF in Jordan from May 2019 through October 2020 and were followed up for one year after enrollment. Results: Overall, 2020 patients were enrolled. The mean age was 67.9 + 13.0 years. Nonvalvular (NVAF) was diagnosed in 1849 (91.5%) patients. OACs were used in 85.7% of high-risk patients with NVAF (CHA2DS2-VASc score>3 in women, and>2 in men), including direct OACs (DOACs) in 64.1% and vitamin K antagonists (VKA) in 35.9%. Adherence rate to the use of the same OAC agent was 90.6% of patients. One-year cardiovascular (CV) mortality was 7.8%, stroke/SE was 4.5%, and major bleeding events were 2.6%. Independent predictors for all-cause mortality in patients with NVAF were age>75 years, heart failure, major bleeding event, type 2 diabetes mellitus, study enrollment as an in-patient, and coronary heart disease. The use of OACs was associated with lower all-cause mortality. The strongest independent predictors for stroke/SE were high-risk CHA2DS2-VASc score and prior history of stroke. Conclusions: This study of Middle Eastern AF patients has reported high adherence to OACs. The use of OACs was associated with a lower risk for all-cause mortality. One-year rates of stroke and major bleeding events were comparable to those reported from other regions in the world.
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BACKGROUND: There is a scarcity of studies that evaluate adherence to the utilization of guideline-recommended oral anticoagulant agents (OACs) in patients with atrial fibrillation (AF) in the Middle East. The Jordan Atrial Fibrillation (JoFib) Study evaluated baseline clinical profiles and the utilization of OACs, including vitamin K antagonists (VKAs) and direct OACs (DOACs), in patients with valvular AF (VAF) and nonvalvular AF (NVAF) according to the 2019 focused update of the 2014 AHA/ACC/HRS guidelines. METHODS: Consecutive patients with AF were enrolled in 29 hospitals and outpatient clinics. The use of OACs was evaluated in patients with VAF and NVAF according to the prespecified guideline. RESULTS: Of 2000 patients, 177 (8.9%) had VAF and 1823 (91.1%) had NVAF. A VKA was prescribed for 88.1% of the VAF group. In the NVAF group, 1468 (80.5%) of patients had a high CHA2DS2-VASc score, i.e., a score of ≥3 in women and ≥2 in men; 202 (11.1%) patients had an intermediate CHA2DS2-VASc score, i.e., a score of 2 in women and 1 in men; and 153 (8.4%) patients had a low CHA2DS2-VASc score, i.e., a score of 1 in women and 0 in men. Of patients with a high CHA2DS2-VASc score, 1204 (82.0%) received OACs, including DOACs for 784 (53.4%) and VKA for 420 (28.6%) patients. Among patients with an intermediate score, OACs were prescribed for 148 (73.3%) patients, including 107 (53.0%) who received DOACs and 41 (20.3%) patients who received VKA. In patients with a low score, OACs were omitted in 94 (61.4%) patients and prescribed for 59 (38.6%) patients. Multivariate analysis showed that age between 50 and 70 years, CHA2DS2-VASc score of ≥2, a diagnosis of stroke or systemic embolization, and nonparoxysmal AF were significantly associated with increased odds of OAC prescription. CONCLUSIONS: The current status of the utilization of OACs in Middle Eastern AF patients appears to be promising and is consistent with the 2019 focused update of the 2014 AHA/ACC/HRS guideline. This trial is registered with NCT03917992.
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OBJECTIVE: To assess the value of troponin T (TpT) in the coronary care unit (CCU) setting compared to creatinine phosphokinase (CK-MB) in patients admitted with acute coronary syndrome. METHODS: This was a prospective study conducted over a period of 2 months between May 2003 and June 2003. All patients who were admitted to the CCU at Queen Alia Heart Institute, Amman, Jordan with acute coronary syndrome were included. Troponin T and CK-MB were performed simultaneously on all patients upon admission and serially every 4 hours for 24 hours. The times of the serial measurements from the onset of chest pain and the results were recorded. The result of coronary angiography was recorded in those patients who underwent this procedure during the index hospitalization. Patients with chest pain more than 48 hours prior to admission and those with renal impairment were excluded. RESULTS: One hundred and ninety-seven patients were enrolled in our study. Sixty-one percent were males. The mean age was 60 years with a range of 28-90 years. The total number of patients with a positive biomarker (TpT or CK-MB) was 136. Forty-nine patients (36%) had a positive TpT without an accompanying CK-MB leak. Only 2 patients (1.4%) had a CK-MB without a positive TpT. The positive predictive value of TpT was 94%, with a negative predictive value of 96%, giving 98.5% sensitivity and 97% specificity. The earliest time from the onset of pain to having a positive TpT was one hour. Out of the 197 patients 173 (87.8%) had cardiac catheterization and it did not seem to have been affected by a negative TpT or CK-MB. There were 5 deaths, and their TpT results were well above the average positive value. CONCLUSION: Troponin T is a more sensitive and specific biomarker than CK-MB in detecting myocardial injury. It can become positive as early as one hour from the onset of chest pain. The decision whether to do coronary angiography remains based on clinical assessment rather than laboratory data.
