Background The European Society of Gastrointestinal Endoscopy (ESGE) has published guidelines on key performance measures for colonoscopy. We analyzed whether those standards were met in the Polish Colonoscopy Screening Program (PCSP) and whether the monitoring was feasible.
Methods We analyzed database records for 43 277 PCSP participants (25 PCSP centers) for the years 2014 – 2015. We used the guideline definitions to calculate values for all key performance measures and compared these with the proposed standards at individual, center, and program level. All data were acquired from the PCSP database, apart from complication data which was assessed from external registries.
Results At the program level, four of five minimum standards and one of two target standards (no set minimum standard) were met. Adequate bowel preparation rate was 91.3 % for the whole program (range among individual centers 79.2 % – 99.2 %). Cecal intubation rate was 97.4 % (93.4 % – 99.4 %). Adenoma detection rate was 29.8 % (19.1 % – 39.1 %). An appropriate polypectomy technique was applied in 62.7 % of cases (0.4 % – 97.8 %). Regarding complications, 7-day hospitalization rate after screening colonoscopy was 0.3 % (n = 127), and 30-day all-cause mortality was 0.02 % (n = 9). Patient feedback was assessed in 66.2 % of colonoscopies (7.6 % – 81.8 %). Appropriate post-polypectomy surveillance was proposed in 95.4 % of cases (range 84.9 % – -99.7 %). It was easy to monitor 6 of 7 key performance measures within the PCSP database, but monitoring complications required the additional effort of data extraction from external registries.
Conclusions The PCSP meets most proposed minimum standards at program level. Some centers need additional interventions to meet the complete set of quality standards. Use of ESGE performance measures for monitoring colonoscopy is generally feasible in the setting of the colonoscopy screening program.
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.
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