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Journal : Heart Science Journal

The Predictors of Spontaneous Coronary Reperfusion in Patients with ST-segment Elevation Myocardial Infarction Ermawan, Romi; Pintaningrum, Yusra; Sari, Dian Puspita; Indrayana, Yanna; Aprilia, Kartika
Heart Science Journal Vol. 5 No. 3 (2024): The Science and Art of Revascularization in Acute Coronary Syndrome
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub/hsj.2024.005.03.6

Abstract

BACKGROUND: In ST-segment elevation myocardial infarction (STEMI) management, some patients undergo spontaneous coronary reperfusion (SCR) with a better prognosis than those without SCR, but predictors for SCR remain unclear.OBJECTIVE: To investigate several potential predictors of SCR, including smoking status, BMI, DAPT loading time, hemoglobin levels, platelet count, random blood sugar levels, uric acid levels, creatinine clearance, and the Syntax score.METHODS: This case-control study was conducted at the West Nusa Tenggara General Hospital in Indonesia from December 2022 to September 2023. Data collection encompassed various patient demographics and clinical parameters, including name, medical record number, age, gender, smoking status, BMI, DAPT loading time, hemoglobin levels, platelet count, random blood sugar, uric acid, creatinine clearance, the Syntax score, and the occurrence of SCR. Statistical analysis for this study involved multivariate logistic regression analysis.RESULTS: A total of thirty-two patients was included, evenly divided into 16 subjects allocated to the SCR group and 16 to the non-SCR group. The analysis indicated that only BMI demonstrated a statistically significant association with SCR occurrence. However, the study did not yield conclusive evidence regarding the influence of smoking status, DAPT loading time, hemoglobin levels, platelet count, random blood sugar levels, uric acid levels, creatinine clearance, and the Syntax score on the likelihood of SCR.CONCLUSION: A normal BMI is identified as a robust predictor for the incidence of SCR in patients diagnosed with STEMI.
Predictors of right subclavian artery tortuosity in trans-radial coronary angiography access Ermawan, Romi; Pintaningrum, Yusra; Rahmat, Basuki; Putra, AASM Meiswaryasti; Indrayana, Yanna
Heart Science Journal Vol. 6 No. 3 (2025): Advancements in Cardiac Imaging : Unlocking New Perspectives on the Heart Visua
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.hsj.2025.006.03.13

Abstract

BACKGROUND: Trans-radial access has become the new standard and is increasingly in demand in coronary angiography. However, this method can fail due to tortuosity of the right subclavian artery. OBJECTIVES: This study aims to identify the predictors of right subclavian artery tortuosity. METHODS: This retrospective case-control study was conducted at two of the largest hospitals in West Nusa Tenggara, Indonesia. All research data were obtained from secondary sources, including video recordings of coronary angiographies, angiography reports, and patient medical records. Predictors included age, gender, smoking, height, body mass index, hypertension, diabetes mellitus, systolic and diastolic blood pressure, and random blood sugar. RESULTS: The study involved 80 subjects, divided into right subclavian artery tortuosity and normal group, with 40 subjects each. The prevalence of tortuosity was 8.1%, while the success rate of trans-radial access was 70.0%. Four significant predictors were identified: smoking (adjusted OR 0.26; p = 0.019), hypertension (adjusted OR 4.83; p = 0.020), diastolic blood pressure (adjusted OR 1.05; p = 0.044), and body mass index (adjusted OR 1.16; p = 0.035). The optimal cutoff points were determined to be a body mass index of ≥ 24.4 (sensitivity 60.0%; specificity 60.0%; p = 0.006; AUC = 0.665) and diastolic blood pressure of ≥ 78.5 mmHg (sensitivity 67.5%; specificity 67.5%; p = 0.002; AUC = 0.685). CONCLUSION: This study has identified smoking, hypertension, diastolic blood pressure, and body mass index as significant predictors of right subclavian artery tortuosity in trans-radial coronary angiography access. 
The endothelial injury technique using intravenous catheters: a new alternative method for developing atherosclerotic plaque models in Wistar rats Ermawan, Romi; Pikir, Budi Susetyo; Mulyanto, Mulyanto; Utomo, Budi; Widjiati , Widjiati; Oktaviono, Yudi Her
Heart Science Journal Vol. 7 No. 1 (2026): Accelerating Clinical Breakthroughs: The Journey from Molecular Discovery to Pa
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.hsj.2026.007.01.14

Abstract

Background: Developing an atherosclerotic plaque model is crucial in atherosclerosis research, as creating such a model remains a significant challenge. Objective: This study evaluates the endothelial injury technique using intravenous catheters as an alternative method for developing atherosclerotic plaque models in Wistar rats. Methods: This true experimental study employs a post-test-only control group design. Twenty-two adult male Wistar rats were randomly allocated into three groups: a control group, a treatment group that underwent a 6-week intervention, and another treatment group that underwent an 8-week intervention. The control group was fed a standard diet of 320 kcal per 100 grams, while both treatment groups received a high-fat diet of 414 kcal per 100 grams. In the second week, endothelial injury was induced in the left common carotid artery of both treatment groups using a 26G intravenous catheter. The parameters assessed in the atherosclerotic plaque model included matrix metalloprotease-9 expression, M1 macrophage activity, M2 macrophage activity, maximal intima thickness, and the degree of arterial stenosis. Result: The endothelial injury technique using intravenous catheters significantly impacted matrix metalloprotease-9 expression (p<0.001) in both the 6-week and 8-week treatment groups compared to the control group. In contrast, the treatment's effects on maximal intima thickness (p=0.003) and the degree of arterial stenosis (p=0.002) were statistically significant only after 8 weeks of intervention compared to the control group. Conclusion: The endothelial injury techniques using intravenous catheters can be considered an alternative method for developing atherosclerotic plaque models in Wistar rats. Although this new technique has several limitations, it holds promise for further development in future studies.