Lesion Characteristics of Chronic Totally Occluded Coronary Arteries on Computed Tomography Angiography in Patients with and without Prior Coronary Artery Bypass Graft

Authors

  • Junaid Arshad Department of Adult Cardiology, Armed Forces Institute of Cardiology/National Institute of Heart Diseases/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Muhammad Bilal Siddique Department of Adult Cardiology, Armed Forces Institute of Cardiology/National Institute of Heart Diseases/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Iftikhar Ahmed Department of Adult Cardiology, Armed Forces Institute of Cardiology/National Institute of Heart Diseases/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Naveed Sarwar Department of Adult Cardiology, Armed Forces Institute of Cardiology/National Institute of Heart Diseases/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Muhammad Shehram Department of Adult Cardiology, Armed Forces Institute of Cardiology/National Institute of Heart Diseases/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Ali Abbas Department of Adult Cardiology, Armed Forces Institute of Cardiology/National Institute of Heart Diseases/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Faheem Hassan Department of Adult Cardiology, Armed Forces Institute of Cardiology/National Institute of Heart Diseases/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan
  • Bakht Umar Khan Department of Adult Cardiology, Armed Forces Institute of Cardiology/National Institute of Heart Diseases/National University of Medical Sciences (NUMS) Rawalpindi, Pakistan

DOI:

https://doi.org/10.51253/pafmj.v74iSUPPL-1.10801

Keywords:

Chronic Total Occlusion, Computed Tomography Angiography, Coronary Artery Bypass Graft

Abstract

Objective: To study the differences in characteristics of Chronic Totally Occluded coronary artery lesions on computed tomography angiography in patients with and without prior Coronary Artery Bypass Graft.

Study Design: Comparative Cross-sectional Study.

Place and Duration of Study: Armed Forces Institute of Cardiology/National Institute of Heart Diseases, Rawalpindi Pakistan, from Feb to Jul 2023.

Methodology: The study included ninety six patients, with 48 patients in each group (prior CABG and non-CABG). Patients presenting with chest pain and having Chronic Totally Occluded lesions on Computed Tomography Angiography were selected using non-probability consecutive sampling. Data was analyzed using SPSS-23:00. Chi-square test was applied to find the association of lesion characteristics in study groups and level of significance was taken ˂0.05.

Results: This study analyzed the characteristics of lesions in different target vessels among n= 96 patients, with 74(77.1%) being males and 22(22.9%) females. The mean age was 61.98±8.04 years. No statistically significant distinctions in the distribution of target vessels were observed when comparing the two groups. (p=0.48). However, osteal lesions had higher prevalence in the CABG group 20(41.7%) (p=0.04). The presence of blunt stump [21(43.8) vs 18(37.5); p=0.67] and calcification [(20(41.7%) vs 21(43.8%), p=1.00)] had no significant divergence between CABG and non-CABG groups. Bending was more common in the CABG group 17(35.4%) (p=0.002). In the CABG group, a higher occurrence of a side branch at the proximal cap 22(45.8%) (p=0.01) as well as a distal cap at the bifurcation 20(41.7%) (p<0.001), was noted.

Conclusion: Chronic Totally Occluded lesions were more intricate  ..

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Published

30-05-2024

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Original Articles

How to Cite

1.
Arshad J, Siddique MB, Ahmed I, Sarwar N, Shehram M, Abbas A, et al. Lesion Characteristics of Chronic Totally Occluded Coronary Arteries on Computed Tomography Angiography in Patients with and without Prior Coronary Artery Bypass Graft. Pak Armed Forces Med J [Internet]. 2024 May 30 [cited 2024 Jun. 16];74(SUPPL-1):S43-S47. Available from: https://pafmj.org/PAFMJ/article/view/10801