Clinical Endoscopy

Review

Alteration in gut microbiota after colonoscopy: proposed mechanisms and the role of probiotic interventions: Hyeong Ho Jo, Moon Young Lee, Se Eun Ha, Dong Han Yeom, Yong Sung Kim; Received June 6, 2024 Accepted July 13, 2024 Published online September 2, 2024; DOI: https://doi.org/10.5946/ce.2024.147 [Epub ahead of print]

Abstract PDF PubReader ePub: Colonoscopy, a widely used procedure for diagnosing and treating colonic diseases, induces transient gastrointestinal symptoms and alterations in the gut microbiota. This review comprehensively examines the evidence on alterations in the gut microbiota following colonoscopy and their possible mechanisms. Factors such as rapid colonic evacuation, increased osmolality, and mucus thinning caused by bowel preparation and exposure to oxygen during the procedure contribute to these alterations. Typically, the alterations revert to the baseline within a short time. However, their long-term implications remain unclear, necessitating further investigation. Split-dose bowel preparation and CO2 insufflation during the procedure result in fewer alterations in the gut microbiota. Probiotic administration immediately after colonoscopy shows promise in reducing alterations and gastrointestinal symptoms. However, the widespread use of probiotics remains controversial due to the transient nature of the symptoms and microbiobial alterations in the microbiota. Probiotics may offer greater benefits to individuals with preexisting gastrointestinal symptoms. Thus, probiotic administration may be a viable option for selected patients.

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Original Article

Value of Fecal Calprotectin Measurement During the Initial Period of Therapeutic Anti-Tubercular Trial: Hyeong Ho Jo, Eun Young Kim, Jin Tae Jung, Joong Goo Kwon, Eun Soo Kim, Hyun Seok Lee, Yoo Jin Lee, Kyeong Ok Kim, Byung Ik Jang, the Crohn’s and Colitis Association in Daegu-Gyeongbuk; Clin Endosc 2022;55(2):256-262. Published online November 5, 2021; DOI: https://doi.org/10.5946/ce.2021.061

Abstract PDF PubReader ePub

Background
/Aims: The diagnosis of intestinal tuberculosis (ITB) is often challenging. Therapeutic anti-tubercular trial (TATT) is sometimes used for the diagnosis of ITB. We aimed to evaluate the changing pattern of fecal calprotectin (FC) levels during TATT in patients with ITB.
Methods
A retrospective review was performed on the data of 39 patients who underwent TATT between September 2015 and November 2018 in five university hospitals in Daegu, South Korea. The analysis was performed for 33 patients with serial FC measurement reports.
Results
The mean age of the participants was 48.8 years. The final diagnosis of ITB was confirmed in 30 patients based on complete mucosal healing on follow-up colonoscopy performed after 2 months of TATT. Before starting TATT, the mean FC level of the ITB patients was 170.2 μg/g (range, 11.5-646.5). It dropped to 25.4 μg/g (range, 11.5-75.3) and then 23.3 μg/g (range, 11.5-172.2) after one and two months of TATT, respectively. The difference in mean FC before and one month after TATT was statistically significant (p<0.001), and FC levels decreased to below 100 μg/g in all patients after one month of TATT.
Conclusions
All ITB patients showed FC decline after only 1 month of TATT, and this finding correlated with complete mucosal healing in the follow-up colonoscopy after 2 months of TATT.

Citations

Citations to this article as recorded by

Primary Gastric Tuberculosis in an Immunocompetent Patient: The Truth Lying beneath the Surface
Fábio Pereira Correia, Luísa Martins Figueiredo, Luís Carvalho Lourenço, Sofia Santos, Rita Theias Manso, David Horta
GE - Portuguese Journal of Gastroenterology.2024; 31(3): 191. CrossRef
New diagnostic strategies to distinguish Crohn's disease and gastrointestinal tuberculosis
Himanshu Narang, Saurabh Kedia, Vineet Ahuja
Current Opinion in Infectious Diseases.2024;[Epub] CrossRef
Evidence-based approach to diagnosis and management of abdominal tuberculosis
Daya Krishna Jha, Mythili Menon Pathiyil, Vishal Sharma
Indian Journal of Gastroenterology.2023; 42(1): 17. CrossRef
Fecal Calprotectin as a Surrogate Marker for Mucosal Healing After Initiating the Therapeutic Anti-Tubercular Trial
Satimai Aniwan
Clinical Endoscopy.2022; 55(2): 210. CrossRef

3,334 View
287 Download
3 Web of Science
4 Crossref

Review

Endoscopic Management of Anastomotic Strictures after Liver Transplantation: Dong Wook Lee, Hyeong Ho Jo, Juveria Abdullah, Michel Kahaleh; Clin Endosc 2016;49(5):457-461. Published online September 30, 2016; DOI: https://doi.org/10.5946/ce.2016.130

Abstract PDF PubReader ePub

Endoscopic treatment of biliary strictures involving plastic stent placement has been used widely. The use of self-expandable metal stents (SEMSs) has been described for anastomotic strictures following liver transplantation (LT). This review aimed to assess and compare the efficacy of plastic stents with SEMS in LT patients. Information was retrieved regarding technical success, stricture resolution, the number of endoscopic retrograde cholangiography procedures, follow-up, immediate, and late complications. Eight studies involving plastic stents had a stricture resolution rate of 84.5%, with the rates ranging from 63% to 100%. These rates are comparable with the stricture resolution rate of 75% determined from six studies that involved 236 patients who received metal stents and the rates ranged from 53% to 81%. The observed success rate for metal stents used to manage post-LT anastomotic biliary strictures was below the reported rate for multiple plastic stents. Hence, the currently available metal stents should not be offered for the management of post-LT anastomotic biliary strictures.

Citations

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Journal of Clinical Medicine.2023; 12(4): 1453. CrossRef
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Samir Zeair, Robert Stasiuk, Labib Zair, Marta Wawrzynowicz-Syczewska, Anita Rybicka, Elżbieta Grochans, Arkadiusz Kazimierczak
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Ben Warner, Phillip Harrison, Muhammad Farman, John Devlin, David Reffitt, Yasser El-Sherif, Shirin E. Khorsandi, Andreas Prachalias, Miriam Cortes Cerisuelo, Krish Menon, Wayel Jassem, Parthi Srinivasan, Hector Vilca-Melendez, Michael Heneghan, Nigel Hea
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A. V. Shabunin, I. Yu. Korzheva, G. M. Chechenin, S. S. Lebedev, P. A. Drozdov, O. S. Zhuravel, S. A. Astapovich
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James F. Crismale, Jawad Ahmad
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9,053 View
173 Download
16 Web of Science
15 Crossref

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