Imaging Evaluation of Pulmonary Infections in A Tertiary Care Centre of North Western India
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 3
Abstract
inpatient clinical care. The most useful imaging modalities available for the evaluation of the patient with suspected pulmonary infection are chest radiography and computed tomography (CT).The aim of present study is to evaluate various patterns of pulmonary disease depicted radio logically and to establish and compare sensitivity and specificity of radiography and computed tomography. Materials and Methods: This prospective observational study included a total of 120 patients with suspected pulmonary infections referred for chest imaging. Chest radiography examination was done in all the patients. Subsequently all of the patients underwent either contrast enhanced and/or non contrast high resolution computed tomography of the chest as appropriate on 128 slice Philips Multi-detector CT (MDCT). Imaging finds were interpreted independently and tabulated and subsequently correlated with clinical and pathological findings. Results: Most of the patients were in the 51 to 60 years age group (29.2%) with male predominance (55%). Sensitivity and specificity of chest X-ray in detection of pulmonary infections was 64.66 % and 75% respectively with PPV and NPV of 98.68% and 6.82% respectively. CT scan showed Sensitivity, Specificity, PPV and NPV of 87.10%, 98.89 %, 96.43% and 95.70% respectively for the diagnosis of pyogenic bacterial infections, Sensitivity, Specificity, PPV and NPV of 95.70 %, 97.87 %, 98.63% and 95.83 % respectively for the diagnosis of mycobacterial infections and Sensitivity, Specificity, PPV and NPV of 93.33%, 99.06 %, 93.33% and 99.06 % respectively for the diagnosis of fungal infections. Conclusion: CT has important diagnostic role in pulmonary infections with high sensitivity and specificity and can aid in identification of probable causative agent. Chest x-ray is helpful ancillary investigation but has poor sensitivity in detection of pulmonary infections.
Authors and Affiliations
Dr. Eram Fatima, Dr. Sameer R. Verma, Dr. Mukta Mital, Dr. Prakhar Sharma, Dr. Prashant K. Gupta, Dr. Neeru Choudhary, Dr. Ankita Malik
Keywords
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- EP ID EP600244
- DOI 10.9790/0853-1603102428.
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