Comparison of virtual computed tomography enteroscopy using carbon dioxide with small-bowel enteroclysis and capsule end
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GASTROINTESTINAL
Comparison of virtual computed tomography enteroscopy using carbon dioxide with small-bowel enteroclysis and capsule endoscopy in patients with small-bowel tuberculosis Naveen Kalra 1 & Ajay Gulati 1 & Pankaj Gupta 1 & Narendra Dhaka 2 & Shaurya Sehgal 1 & Shravya Singh 1 & Vikas Gupta 3 & Kusum Sharma 4 & Kim Vaiphei 5 & Arvind Rajwanshi 6 & Saroj Kant Sinha 2 & Rakesh Kochhar 2 & Niranjan Khandelwal 1 & Yogesh K Chawla 7 & Manavjit Singh Sandhu 1 & Michael A Bettmann 8 Received: 14 July 2020 / Revised: 22 September 2020 / Accepted: 12 October 2020 # European Society of Radiology 2020
Abstract Objective Comparison of virtual CT enteroscopy (VCTE) using carbon dioxide with small-bowel enteroclysis (SBE) and capsule endoscopy (CE) in small-bowel tuberculosis (SBTB). Methods This prospective study comprised consecutive patients suspected to have SBTB. VCTE and SBE were performed on the same day and evaluated by independent radiologists. CE was performed within 2 weeks. VCTE was performed following insufflation of carbon dioxide via catheters in the jejunum and anorectum. A contrast-enhanced CT was followed by a delayed non-contrast CT. Image processing was done using virtual colonoscopy software. Findings on VCTE, SBE, and CE were compared. The final diagnosis of SBTB was based on either histopathological or cytological findings, response to antitubercular treatment, or a combination of these. Results Of the 55 patients in whom VCTE was performed, complete data was available in 52 patients. A final diagnosis of SBTB was established in 37 patients. All patients had VCTE and SBE. CE was performed in 34 patients. Adequate luminal distension was achieved in all patients with SBE and 35 patients with VCTE. SBE showed more strictures in jejunum (10.8%) and ileum (75.7%) compared with VCTE (jejunum, 8.1%, and ileum, 64.9%) and CE (jejunum, 5.9%, and ileum, 61.8%). However, difference was not statistically significant. VCTE revealed a greater length of strictures in both the jejunum and ileum compared with SBE and CE. Conclusion VCTE allows adequate evaluation of the bowel in most patients with SBTB. It allows detection of greater length of abnormality in jejunum and ileum compared with SBE and CE. Key Points • The use of VCTE using CO2 bowel insufflation in patients with SBTB should be considered. • VCTE allows detection of a greater length of abnormality in the jejunum and ileum. Keywords Small intestine . Tuberculosis . Helical computed tomography . Capsule endoscope
* Naveen Kalra [email protected] 1
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Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India Department of Gastroenterology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India Department of Gastrointestinal Surgery, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
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Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
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