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Name | A retrospective study on Duke treadmill scoring with localization and severity of coronary artery lesions by angiogram from a cardiac diagnostic Centre, Chennai, India. |
Description | Original article:- Inbaraj S.D1*, Alagesan .R2, & Parameaswari. P.J1 Affiliation:- *1Associate Professor, Department of Pharmacology, 1 Asst. Professor. Biostatistics, Department of Commiunity Medicine Sree Balaji Medical College and Hospital, Bharath university ,Chennai, India. 2Consultant Cardiologist, G.A.Vasanth compu cardiac scan centre, Chennai,India.
Abstract: Background: The Treadmill test is done routinely to detect coronary artery disease in preventing cardiovascular mortality. We want to elicit the relationship between Duke Treadmill Scoring and the severity of coronary artery lesions by angiogram. Aim: To evaluate the association between the DTS with the angiographic localization of coronary artery disease. Settings and Design: This retrospective study was conducted in G.A.Vasanth Compu Cardiac Scan Centre, Chennai from January 2009 to December 2009. Material & methods: From the records of 1386 patients on Treadmill test, 220 were positive for coronary artery disease and requested to send their angiogram reports by mail .The baseline characteristics with other co morbidity of 20 responded patients were considered. Based on DTS the patients were categorized as low, moderate and high risk for survival and compared with the coronary artery lesions. Statistical methods: Data was analyzed using SPSS 15.0 and presented as frequency, %, mean± SE and χ2 test with P <0.05 was considered for statistical significance. Results: Our study had 85% males and 15% females with mean age of 58 years. We observed 60% Diabetes & Hypertension with other co morbid illness. The patients with High risk DTS had Critical coronary artery lesion aged between 45 to 55 years and those with non-critical coronary artery lesion ranged between 55 to 65 years. Conclusions: Patients with High risk DTS should be strongly recommended to immediate coronary angiography. DTS system will be an important tool in detecting patients with critical coronary artery lesion for further management.
Key Words: Duke Treadmill Score (DTS), Coronary angiogram, Coronary artery lesion.
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