Diagnostic Accuracy of Computed Tomography Angiography for Detecting Aneurysms in Non-Traumatic Subarachnoid Hemorrhage keeping Digital Subtraction Angiography as Gold Standard
DOI:
https://doi.org/10.51253/pafmj.v76iSUPPL-3.13782Keywords:
Aneurysm, Angiography, Computed Tomography, Digital Subtraction Angiography, Multidetector Computed Tomography Angiography, Non-Traumatic Subarachnoid HemorrhageAbstract
Objective: To determine the diagnostic accuracy of Computed Tomography Angiography (CTA) in detecting aneurysms in Non-Traumatic Subarachnoid Hemorrhage (NTSAH) by keeping Digital Subtraction Angiography (DSA) as a gold standard.
Study Design: Cross-sectional study.
Place and Duration of Study: Department of Computed Tomography (CT), Armed Force Institute of Radiology and Imaging (AFIRI) Rawalpindi, Pakistan, from Sep 23 to Mar 24.
Methodology: Fifty individuals with suspected subarachnoid hemorrhage (SAH) were included in this cross-sectional investigation. Computed Tomography Angiography (CTA), Digital Subtraction Angiography (DSA), and an initial non-contrast CT scan were the typical diagnostic procedures performed on the patients. The accuracy of Multidetector Computed Tomography Angiography (MDCTA) was calculated by comparing its results with those of DSA and surgical procedures. To examine the agreement between DSA and CTA, kappa coefficient was utilized. Statistical significance was indicated by a p-value of less than 0.05.
Results: A total of 50 patients were included in the study. The mean age of patients was 54.32±13.81 years. Aneurysmal size was 5.62±3.09 mm on average. CTA demonstrated 97.9%, 100%, 100%, and 75% sensitivity, specificity, and positive and negative predictive values, respectively. A significant agreement between CTA and DSA was found by the kappa test. 0.847 is the kappa coefficient.
Conclusion: In the majority of NTSAH patients, Multidetector Computed Tomography Angiography (MDCTA) is a quick, less invasive, and trustworthy alternative to DSA. Better treatment of these patients may be made possible by its high sensitivity, specificity, and predictive values in identifying and describing related aneurysms.
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