Efficacy of Second Forward-View Colonoscopy to Improve Adenoma Detection of Right-Side Colon: Systematic Review and Meta-Analysis
Background/Aims: The second forward view (SFV) has been considered an effective method to improve the adenoma detection rate (ADR) in the right-side colon. On the other hand, there is insufficient evidence on how much the ADR is improved compared to standard one forward view (OFV) colonoscopy. A sys...
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| Format: | Article |
| Language: | English |
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Jin Publishing & Printing Co.
2024-12-01
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| Series: | The Korean Journal of Gastroenterology |
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| Online Access: | https://www.kjg.or.kr/journal/view.html?uid=6068&vmd=Full |
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| _version_ | 1841561081136283648 |
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| author | Hyun Jung Kim Hyuk Yoon Jung Won Lee |
| author_facet | Hyun Jung Kim Hyuk Yoon Jung Won Lee |
| author_sort | Hyun Jung Kim |
| collection | DOAJ |
| description | Background/Aims: The second forward view (SFV) has been considered an effective method to improve the adenoma detection rate (ADR) in the right-side colon. On the other hand, there is insufficient evidence on how much the ADR is improved compared to standard one forward view (OFV) colonoscopy. A systematic review and meta-analysis were performed to determine the efficacy of improvement in the ADR by SFV colonoscopy.
Methods: This study conducted a systematic literature search in Medline, Embase, and Cochrane Library until Sep 2024. Two independent investigators (HJK, JWL) conducted a database search, and studies regarding the SFV or retroflexion were selected. The primary outcomes were the ADR of the right-side colon, polyp detection rate, and withdrawal time. Statistical analyses were performed using STATA 18.0 Special edition.
Results: Ten studies with 5,886 patients were included in this review. The pooled ADR of SFV colonoscopy for the right colon was significantly higher than that of the OFV, with a risk ratio (RR) of 1.25 (95% CI, 1.13–1.38 I2=0.0%). This result was statistically significant in three non-randomized trials (RR 1.19, 95% CI 1.06–1.34, I2=0.0%) with low heterogeneity. The right-sided polyp detection rate (RR 1.19, 95% CI 1.06–1.34, I2=61.6%) and the ADR of the whole colon (RR 1.10, 95% CI 1.01–1.20, I2=0.0%) were also significantly higher than those of OFV colonoscopy.
Conclusions: SFV colonoscopy is an effective method to improve the ADR of the right colon. |
| format | Article |
| id | doaj-art-f88d6c8455b34cb9999f40c44be985e2 |
| institution | Kabale University |
| issn | 1598-9992 2233-6869 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Jin Publishing & Printing Co. |
| record_format | Article |
| series | The Korean Journal of Gastroenterology |
| spelling | doaj-art-f88d6c8455b34cb9999f40c44be985e22025-01-03T06:44:56ZengJin Publishing & Printing Co.The Korean Journal of Gastroenterology1598-99922233-68692024-12-0184626527310.4166/kjg.2024.117Efficacy of Second Forward-View Colonoscopy to Improve Adenoma Detection of Right-Side Colon: Systematic Review and Meta-AnalysisHyun Jung Kim0Hyuk Yoon1Jung Won Lee2https://orcid.org/0000-0002-7945-16181Institute for Evidence-based Medicine, College of Medicine, Korea University, Seoul, Korea2Department of Internal, Seoul National University Bundang Hospital, Seongnam, KoreaDepartment of Internal Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, KoreaBackground/Aims: The second forward view (SFV) has been considered an effective method to improve the adenoma detection rate (ADR) in the right-side colon. On the other hand, there is insufficient evidence on how much the ADR is improved compared to standard one forward view (OFV) colonoscopy. A systematic review and meta-analysis were performed to determine the efficacy of improvement in the ADR by SFV colonoscopy. Methods: This study conducted a systematic literature search in Medline, Embase, and Cochrane Library until Sep 2024. Two independent investigators (HJK, JWL) conducted a database search, and studies regarding the SFV or retroflexion were selected. The primary outcomes were the ADR of the right-side colon, polyp detection rate, and withdrawal time. Statistical analyses were performed using STATA 18.0 Special edition. Results: Ten studies with 5,886 patients were included in this review. The pooled ADR of SFV colonoscopy for the right colon was significantly higher than that of the OFV, with a risk ratio (RR) of 1.25 (95% CI, 1.13–1.38 I2=0.0%). This result was statistically significant in three non-randomized trials (RR 1.19, 95% CI 1.06–1.34, I2=0.0%) with low heterogeneity. The right-sided polyp detection rate (RR 1.19, 95% CI 1.06–1.34, I2=61.6%) and the ADR of the whole colon (RR 1.10, 95% CI 1.01–1.20, I2=0.0%) were also significantly higher than those of OFV colonoscopy. Conclusions: SFV colonoscopy is an effective method to improve the ADR of the right colon.https://www.kjg.or.kr/journal/view.html?uid=6068&vmd=Fullcolonoscopyadenomapolypsecond forward view |
| spellingShingle | Hyun Jung Kim Hyuk Yoon Jung Won Lee Efficacy of Second Forward-View Colonoscopy to Improve Adenoma Detection of Right-Side Colon: Systematic Review and Meta-Analysis The Korean Journal of Gastroenterology colonoscopy adenoma polyp second forward view |
| title | Efficacy of Second Forward-View Colonoscopy to Improve Adenoma Detection of Right-Side Colon: Systematic Review and Meta-Analysis |
| title_full | Efficacy of Second Forward-View Colonoscopy to Improve Adenoma Detection of Right-Side Colon: Systematic Review and Meta-Analysis |
| title_fullStr | Efficacy of Second Forward-View Colonoscopy to Improve Adenoma Detection of Right-Side Colon: Systematic Review and Meta-Analysis |
| title_full_unstemmed | Efficacy of Second Forward-View Colonoscopy to Improve Adenoma Detection of Right-Side Colon: Systematic Review and Meta-Analysis |
| title_short | Efficacy of Second Forward-View Colonoscopy to Improve Adenoma Detection of Right-Side Colon: Systematic Review and Meta-Analysis |
| title_sort | efficacy of second forward view colonoscopy to improve adenoma detection of right side colon systematic review and meta analysis |
| topic | colonoscopy adenoma polyp second forward view |
| url | https://www.kjg.or.kr/journal/view.html?uid=6068&vmd=Full |
| work_keys_str_mv | AT hyunjungkim efficacyofsecondforwardviewcolonoscopytoimproveadenomadetectionofrightsidecolonsystematicreviewandmetaanalysis AT hyukyoon efficacyofsecondforwardviewcolonoscopytoimproveadenomadetectionofrightsidecolonsystematicreviewandmetaanalysis AT jungwonlee efficacyofsecondforwardviewcolonoscopytoimproveadenomadetectionofrightsidecolonsystematicreviewandmetaanalysis |