scholarly journals The impact of low- versus standard-volume bowel preparation on participation in primary screening colonoscopy: a randomized health services study

Endoscopy ◽  
2019 ◽  
Vol 51 (03) ◽  
pp. 227-236 ◽  
Author(s):  
Małgorzata Pisera ◽  
Robert Franczyk ◽  
Paulina Wieszczy ◽  
Marcin Polkowski ◽  
Maciej Rupinski ◽  
...  

Abstract Background The aim of this study was to evaluate the impact of low-volume vs. standard-volume bowel preparation on participation in screening colonoscopy, bowel preparation quality, and lesion detection rates. Methods This was a multicenter, randomized, health services study within the population-based primary colonoscopy screening program in Poland. Individuals aged 55 – 62 years were randomized in a 1:1 ratio to bowel preparation with a low-volume (0.3 L sodium picosulfate with magnesium citrate) or standard-volume (4 L polyethylene glycol) regimen and then invited to participate in screening colonoscopy. The primary outcome measure was the rate of participation in screening colonoscopy. Compliance with the assigned bowel preparation, bowel preparation quality, and lesion detection rates were also evaluated. Results A total of 13 621 individuals were randomized and 13 497 were analyzed (6752 in the low-volume group and 6745 in the standard-volume group). The participation rate (16.6 % vs. 15.5 %; P = 0.08) and compliance rate (93.3 % vs. 94.1 %; P = 0.39) did not differ significantly between the groups. In the low-volume group, fewer participants had adequate bowel preparation compared with the standard-volume group (whole colon 79.0 % vs. 86.4 %, P < 0.001; proximal colon 80.1 % vs. 87.3 %, P < 0.001). Detection rates of advanced adenoma (AADR) and advanced serrated polyps (ASPDR) were lower in the low-volume group than in the standard-volume group (AADR in the proximal colon 2.6 % vs. 4.3 %, P = 0.02; ASPDR in the whole colon 2.0 % vs. 3.3 %, P = 0.04; ASPDR in the proximal colon 1.0 % vs. 1.9 %, P = 0.048). Conclusion When compared with a standard-volume bowel preparation with polyethylene glycol, low-volume bowel preparation with sodium picosulfate/magnesium citrate did not improve participation rate or lesion detection rates, and negatively affected bowel preparation quality.

2019 ◽  
Vol 2019 ◽  
pp. 1-5
Author(s):  
Dae Bum Kim ◽  
Kang-Moon Lee ◽  
Sung-Goo Kang ◽  
Sung Hoon Jung

Background. Previous studies have suggested that relatively poor bowel preparation in the proximal colon, compared to that in the distal colon, could decrease the usefulness of colonoscopy. The aim of this study was to determine whether the “first defecation time” after polyethylene glycol (PEG) administration affects the cleansing quality in the proximal colon. Methods. A total of 425 individuals who were scheduled to undergo a screening colonoscopy were enrolled prospectively at the healthcare center of St. Vincent’s Hospital, Suwon, Korea, between April 2015 and March 2016. Bowel cleansing was performed using 4 L of PEG. Surveys were conducted to obtain information regarding the “first defecation time.” Endoscopists assessed the quality of bowel preparation in each bowel segment. Results. We investigated 425 consecutive eligible cases. The mean “first defecation time” after PEG administration was 54.35 min. The quality of bowel preparation was poorer in the proximal colon than that in the distal colon. The adequate (excellent, good) and inadequate (fair, poor) proximal colon preparation groups comprised 360 (84.7%) and 65 (15.3%) patients, respectively. A multivariate analysis revealed that female gender (P=0.029), small waist circumference (P=0.027), and the long “first defecation time” (P=0.034) were independently associated with inadequate bowel preparation in the proximal colon. Conclusion. Our data document that the “first defecation time,” female gender, and a small waist circumference affect the quality of preparation in the proximal colon. Inadequate preparation in the proximal colon was more common in females. Patients with these factors undergoing colonoscopy should be monitored carefully.


2017 ◽  
Vol 50 (5) ◽  
pp. 479-485 ◽  
Author(s):  
JeongHyeon Cho ◽  
SeungHee Lee ◽  
Jung A Shin ◽  
Jeong Ho Kim ◽  
Hong Sub Lee

2014 ◽  
Vol 79 (5) ◽  
pp. AB319
Author(s):  
Jong Soo Lee ◽  
Yoon Tae Jeen ◽  
Seung Han Kim ◽  
Jae MIN Lee ◽  
Hyuk Soon Choi ◽  
...  

2016 ◽  
Vol 83 (5) ◽  
pp. AB221
Author(s):  
Hassan A. Siddiki ◽  
Francisco C. Ramirez ◽  
Douglas O. Faigel ◽  
Jonathan A. Leighton ◽  
Mohanad Al-Qaisi ◽  
...  

2017 ◽  
Vol 2017 ◽  
pp. 1-6 ◽  
Author(s):  
Erika S. Boroff ◽  
Molly Disbrow ◽  
Michael D. Crowell ◽  
Francisco C. Ramirez

Background. Adenoma detection rate (ADR) is a validated quality measure for screening colonoscopy, but there are little data for other indications. The distribution of adenomas is not well described for these indications. Aim. To describe ADR and the adenoma distribution in the proximal and distal colon based on colonoscopy indication. Methods. Outpatient colonoscopies are subdivided by indication. PDR and ADR for the entire colon and for proximal and distal colon. Data were compared using generalized estimating equations to adjust for clustering amongst endoscopists while controlling for patient age and gender. Results. 3436 colonoscopies were reviewed (51.2%: men (n=1759)). Indications are screening 49.2%, surveillance 29.3%, change in bowel habit 8.4%, bleeding 5.8%, colitides 3.0%, pain 2.8%, and miscellaneous 1.5%. Overall ADR was 37% proximal ADR 28%, and distal ADR 17%. PDR and ADR were significantly higher in surveillance than in screening (PDR: 69% versus 51%; ADR: 50% versus 33%; p=0.0001). Adenomas were more often detected in the proximal than in the distal colon, for all indications. Conclusions. Prevalence of polyps and adenomas differs based on colonoscopy indication. Adenoma detection is highest in surveillance and more commonly detected in the proximal colon. For quality assurance, distinct ADR and PDR targets may need to be established for different colonoscopy indications.


2019 ◽  
Vol 17 (3) ◽  
pp. 413-418 ◽  
Author(s):  
Jeeyeon Kim ◽  
Hyun Gun Kim ◽  
Kyeong Ok Kim ◽  
Hyung Wook Kim ◽  
Jongha Park ◽  
...  

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