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ORIGINAL ARTICLE
Year : 2017  |  Volume : 11  |  Issue : 2  |  Page : 49-54

Role of high resolution computed tomography of chest in posttransplant pulmonary infection


1 Department of Radiology and Imaging, G. R. Doshi and K. M. Mehta Institute of Kidney Diseases and Research Centre, Dr. H. L. Trivedi Institute of Transplantation Sciences, Ahmedabad, Gujarat, India
2 Department of Nephrology, G. R. Doshi and K. M. Mehta Institute of Kidney Diseases and Research Centre, Dr. H. L. Trivedi Institute of Transplantation Sciences, Ahmedabad, Gujarat, India

Correspondence Address:
Shruti P Gandhi
13-Vrundavan Apartment, Plot No 7, Laxminarayan Society, Near Shantinagar Jain Temple, Usmanpura, Ahmedabad - 380 013, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijot.ijot_5_17

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Aim of This Study: This study aims to describe the utility of high-resolution computed tomography (HRCT) of chest in renal transplant recipients in patients with pulmonary infection. Materials and Methods: We retrospectively analyzed the findings of HRCT of chest in 48 postrenal transplant patients with documented pulmonary infection from September 2013 to August 2014. All patients underwent detailed investigations including specific pathological tests, chest X-ray, sputum analysis, bronchoalveolar lavage and pleural fluid analysis as and when required. HRCT was done in all patients on Somatom sensation 64 scan. The spectrum of causative organism and utility of HRCT was studied. Results: Out of 48 patients, the causative organism was confirmed by microbiology in 27 patients. These include 14 patients with Gram-negative bacteria, 5 patients with Gram-positive bacteria, 8 patients with fungal infection, and 3 patients with Mycobacterium tuberculosis infection confirmed on sputum analysis. The causative organism was confirmed to be cytomegalovirus-based on serological tests in 3 patients. Laboratory investigations could not identify the causative organism in 18 patients, 2 of them were treated with broad spectrum antibiotic, 13 patients with anti-tuberculous drugs, and 3 patients with antifungal therapy based on CT findings. Spectrum of HRCT findings was studied. Conclusion: We found bacterial infection is the most common in postrenal transplant patients followed by M. tuberculosis. Tree in bud appearance is common in M. tuberculosis infection. We found HRCT makes the road of early diagnosis of pulmonary infections smoother when coupled with clinical data.


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