Feasibility, safety, and diagnostic yield of the Extra Wide Angle View (EWAVE) colonoscope for the detection of colorectal lesions
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Feasibility, safety, and diagnostic yield of the Extra Wide Angle View (EWAVE) colonoscope for the detection of colorectal lesions. / Bronzwaer, Maxime E S; Dekker, Evelien; Weingart, Vincens; Groth, Stefan; Pioche, Mathieu; Rivory, Jérôme; Beyna, Torsten; Neuhaus, Horst; Ponchon, Thierry; Allescher, Hans; Fockens, Paul; Rösch, Thomas.
In: ENDOSCOPY, Vol. 50, No. 1, 01.2018, p. 63-68.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Feasibility, safety, and diagnostic yield of the Extra Wide Angle View (EWAVE) colonoscope for the detection of colorectal lesions
AU - Bronzwaer, Maxime E S
AU - Dekker, Evelien
AU - Weingart, Vincens
AU - Groth, Stefan
AU - Pioche, Mathieu
AU - Rivory, Jérôme
AU - Beyna, Torsten
AU - Neuhaus, Horst
AU - Ponchon, Thierry
AU - Allescher, Hans
AU - Fockens, Paul
AU - Rösch, Thomas
N1 - © Georg Thieme Verlag KG Stuttgart · New York.
PY - 2018/1
Y1 - 2018/1
N2 - BACKGROUND AND STUDY AIMS: The adenoma detection rate (ADR) of conventional colonoscopy can still be improved. We conducted a prospective multicenter cohort study to assess the feasibility, safety, and diagnostic yield of the Extra Wide Angle View (EWAVE) colonoscope, which offers a 235° view obtained from a forward-viewing and two lateral backward-viewing lenses incorporated into one image.PATIENTS AND METHODS: The study was performed between November 2015 and June 2016. EWAVE colonoscopy was performed in patients with an increased risk of colorectal cancer by experienced and EWAVE-trained endoscopists (≥ 500 colonoscopies, ≥ 10 with the EWAVE system).RESULTS: A total of 193 patients underwent EWAVE colonoscopy. The cecal intubation rate was 97.4 %. EWAVE colonoscopy had a polyp detection rate (PDR) of 61.1 % (118 /193), ADR of 39.9 % (77 /193), and advanced ADR of 13.5 % (26 /193). No adverse events occurred.CONCLUSIONS: EWAVE colonoscopy is feasible and safe. The ADR appears comparable to those achieved with conventional colonoscopes in similar patient populations. To further elucidate the additional benefits of wide-angle-view colonoscopes, randomized trials would be required.
AB - BACKGROUND AND STUDY AIMS: The adenoma detection rate (ADR) of conventional colonoscopy can still be improved. We conducted a prospective multicenter cohort study to assess the feasibility, safety, and diagnostic yield of the Extra Wide Angle View (EWAVE) colonoscope, which offers a 235° view obtained from a forward-viewing and two lateral backward-viewing lenses incorporated into one image.PATIENTS AND METHODS: The study was performed between November 2015 and June 2016. EWAVE colonoscopy was performed in patients with an increased risk of colorectal cancer by experienced and EWAVE-trained endoscopists (≥ 500 colonoscopies, ≥ 10 with the EWAVE system).RESULTS: A total of 193 patients underwent EWAVE colonoscopy. The cecal intubation rate was 97.4 %. EWAVE colonoscopy had a polyp detection rate (PDR) of 61.1 % (118 /193), ADR of 39.9 % (77 /193), and advanced ADR of 13.5 % (26 /193). No adverse events occurred.CONCLUSIONS: EWAVE colonoscopy is feasible and safe. The ADR appears comparable to those achieved with conventional colonoscopes in similar patient populations. To further elucidate the additional benefits of wide-angle-view colonoscopes, randomized trials would be required.
KW - Journal Article
U2 - 10.1055/s-0043-120666
DO - 10.1055/s-0043-120666
M3 - SCORING: Journal article
C2 - 29132174
VL - 50
SP - 63
EP - 68
JO - ENDOSCOPY
JF - ENDOSCOPY
SN - 0013-726X
IS - 1
ER -
