Associations between drugs and small-bowel mucosal bleeding: Multicenter capsule-endoscopy study

Ryota Niikura, Atsuo Yamada, Koutarou Maki, Masanao Nakamura, Hirotsugu Watabe, Mitsuhiro Fujishiro, Shiro Oka, Motohiro Esaki, Shunji Fujimori, Atsushi Nakajima, Naoki Omiya, Takayuki Matsumoto, Shinji Tanaka, Kazuhiko Koike, Choitsu Sakamoto

Research output: Contribution to journalArticle

Abstract

Background and Aim: Although several drugs may induce small-bowel mucosal injuries, it is unclear whether these injuries contribute to overt small-bowel bleeding. This study was designed to evaluate the associations between drug use and small-bowel mucosal injury and between these mucosal injuries and overt bleeding in a disease-relevant population. Methods: We retrospectively studied patients with suspected small-bowel diseases who underwent capsule endoscopy between 2010 and 2013. Drug exposure, Charlson Comorbidity Index, smoking, and alcohol consumption were assessed before capsule endoscopy. Adjusted odds ratios (AOR) and confidence intervals (CI) were estimated for small-bowel mucosal injury and small-bowel overt bleeding. Results: In total, 850 patients were analyzed during the study period. Median age was 64 years, and 544 patients (64.0%) were men. Among the patients with small-bowel mucosal injury (n = 60) and without mucosal injury (n = 705), use of nonsteroidal anti-inflammatory drugs (NSAIDs) (AOR 1.8, 95% CI 1.01–3.31) was significantly associated with an increased risk of small-bowel mucosal injury compared with non-use. Patients with small-bowel mucosal injury with overt bleeding (n = 85) and without overt bleeding (n = 60) were compared, and no significant difference between the groups in the usage rates for NSAIDs, thienopyridine, other antiplatelets, anticoagulants, acetaminophen, tramadol hydrochloride, or steroids was revealed, even after adjusting for confound-ers. Conclusion: Although the use of NSAIDs was significantly associated with an increased risk of small-bowel mucosal injury, no significant associations were observed between the use of such drugs and small-bowel overt bleeding.

Original languageEnglish
Pages (from-to)2428-2439
Number of pages12
JournalGASTROENTEROLOGICAL ENDOSCOPY
Volume60
Issue number11
DOIs
Publication statusPublished - 01-11-2018

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Capsule Endoscopy
Hemorrhage
Wounds and Injuries
Pharmaceutical Preparations
Anti-Inflammatory Agents
Odds Ratio
Confidence Intervals
Tramadol
Acetaminophen
Alcohol Drinking
Anticoagulants
Comorbidity
Smoking
Steroids

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging
  • Gastroenterology

Cite this

Niikura, R., Yamada, A., Maki, K., Nakamura, M., Watabe, H., Fujishiro, M., ... Sakamoto, C. (2018). Associations between drugs and small-bowel mucosal bleeding: Multicenter capsule-endoscopy study. GASTROENTEROLOGICAL ENDOSCOPY, 60(11), 2428-2439. https://doi.org/10.11280/gee.60.2428
Niikura, Ryota ; Yamada, Atsuo ; Maki, Koutarou ; Nakamura, Masanao ; Watabe, Hirotsugu ; Fujishiro, Mitsuhiro ; Oka, Shiro ; Esaki, Motohiro ; Fujimori, Shunji ; Nakajima, Atsushi ; Omiya, Naoki ; Matsumoto, Takayuki ; Tanaka, Shinji ; Koike, Kazuhiko ; Sakamoto, Choitsu. / Associations between drugs and small-bowel mucosal bleeding : Multicenter capsule-endoscopy study. In: GASTROENTEROLOGICAL ENDOSCOPY. 2018 ; Vol. 60, No. 11. pp. 2428-2439.
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Niikura, R, Yamada, A, Maki, K, Nakamura, M, Watabe, H, Fujishiro, M, Oka, S, Esaki, M, Fujimori, S, Nakajima, A, Omiya, N, Matsumoto, T, Tanaka, S, Koike, K & Sakamoto, C 2018, 'Associations between drugs and small-bowel mucosal bleeding: Multicenter capsule-endoscopy study', GASTROENTEROLOGICAL ENDOSCOPY, vol. 60, no. 11, pp. 2428-2439. https://doi.org/10.11280/gee.60.2428

Associations between drugs and small-bowel mucosal bleeding : Multicenter capsule-endoscopy study. / Niikura, Ryota; Yamada, Atsuo; Maki, Koutarou; Nakamura, Masanao; Watabe, Hirotsugu; Fujishiro, Mitsuhiro; Oka, Shiro; Esaki, Motohiro; Fujimori, Shunji; Nakajima, Atsushi; Omiya, Naoki; Matsumoto, Takayuki; Tanaka, Shinji; Koike, Kazuhiko; Sakamoto, Choitsu.

In: GASTROENTEROLOGICAL ENDOSCOPY, Vol. 60, No. 11, 01.11.2018, p. 2428-2439.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Associations between drugs and small-bowel mucosal bleeding

T2 - Multicenter capsule-endoscopy study

AU - Niikura, Ryota

AU - Yamada, Atsuo

AU - Maki, Koutarou

AU - Nakamura, Masanao

AU - Watabe, Hirotsugu

AU - Fujishiro, Mitsuhiro

AU - Oka, Shiro

AU - Esaki, Motohiro

AU - Fujimori, Shunji

AU - Nakajima, Atsushi

AU - Omiya, Naoki

AU - Matsumoto, Takayuki

AU - Tanaka, Shinji

AU - Koike, Kazuhiko

AU - Sakamoto, Choitsu

PY - 2018/11/1

Y1 - 2018/11/1

N2 - Background and Aim: Although several drugs may induce small-bowel mucosal injuries, it is unclear whether these injuries contribute to overt small-bowel bleeding. This study was designed to evaluate the associations between drug use and small-bowel mucosal injury and between these mucosal injuries and overt bleeding in a disease-relevant population. Methods: We retrospectively studied patients with suspected small-bowel diseases who underwent capsule endoscopy between 2010 and 2013. Drug exposure, Charlson Comorbidity Index, smoking, and alcohol consumption were assessed before capsule endoscopy. Adjusted odds ratios (AOR) and confidence intervals (CI) were estimated for small-bowel mucosal injury and small-bowel overt bleeding. Results: In total, 850 patients were analyzed during the study period. Median age was 64 years, and 544 patients (64.0%) were men. Among the patients with small-bowel mucosal injury (n = 60) and without mucosal injury (n = 705), use of nonsteroidal anti-inflammatory drugs (NSAIDs) (AOR 1.8, 95% CI 1.01–3.31) was significantly associated with an increased risk of small-bowel mucosal injury compared with non-use. Patients with small-bowel mucosal injury with overt bleeding (n = 85) and without overt bleeding (n = 60) were compared, and no significant difference between the groups in the usage rates for NSAIDs, thienopyridine, other antiplatelets, anticoagulants, acetaminophen, tramadol hydrochloride, or steroids was revealed, even after adjusting for confound-ers. Conclusion: Although the use of NSAIDs was significantly associated with an increased risk of small-bowel mucosal injury, no significant associations were observed between the use of such drugs and small-bowel overt bleeding.

AB - Background and Aim: Although several drugs may induce small-bowel mucosal injuries, it is unclear whether these injuries contribute to overt small-bowel bleeding. This study was designed to evaluate the associations between drug use and small-bowel mucosal injury and between these mucosal injuries and overt bleeding in a disease-relevant population. Methods: We retrospectively studied patients with suspected small-bowel diseases who underwent capsule endoscopy between 2010 and 2013. Drug exposure, Charlson Comorbidity Index, smoking, and alcohol consumption were assessed before capsule endoscopy. Adjusted odds ratios (AOR) and confidence intervals (CI) were estimated for small-bowel mucosal injury and small-bowel overt bleeding. Results: In total, 850 patients were analyzed during the study period. Median age was 64 years, and 544 patients (64.0%) were men. Among the patients with small-bowel mucosal injury (n = 60) and without mucosal injury (n = 705), use of nonsteroidal anti-inflammatory drugs (NSAIDs) (AOR 1.8, 95% CI 1.01–3.31) was significantly associated with an increased risk of small-bowel mucosal injury compared with non-use. Patients with small-bowel mucosal injury with overt bleeding (n = 85) and without overt bleeding (n = 60) were compared, and no significant difference between the groups in the usage rates for NSAIDs, thienopyridine, other antiplatelets, anticoagulants, acetaminophen, tramadol hydrochloride, or steroids was revealed, even after adjusting for confound-ers. Conclusion: Although the use of NSAIDs was significantly associated with an increased risk of small-bowel mucosal injury, no significant associations were observed between the use of such drugs and small-bowel overt bleeding.

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