Gastrointestinal endoscopy · 2019
Endoscopist biopsy rate as a quality indicator for outpatient gastroscopy: a multicenter cohort study with validation.
СтатьяМногоцентровое исследованиеВалидационное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Januszewicz Wladyslaw, Wieszczy Paulina, Bialek Andrzej, Karpinska Katarzyna, Szlak Jakub, Szymonik Jakub, Rupinski Maciej, Mroz Andrzej, Regula Jaroslaw, Kaminski Michal F
Аннотация
BACKGROUND AND AIMS: The diagnosis of gastric premalignant conditions (GPCs) relies on endoscopy with mucosal sampling. We hypothesized that the endoscopist biopsy rate (EBR) might constitute a quality indicator for EGD, and we have analyzed its association with GPC detection and the rate of missed gastric cancers (GCs).
METHODS: We analyzed EGD databases from 2 high-volume outpatient units. EBR values, defined as the proportion of EGDs with ≥1 biopsy to all examinations were calculated for each endoscopist in Unit A (derivation cohort) and divided by the quartile values into 4 groups. Detection of GPC was calculated for each group and compared using multivariate clustered logistic regression models. Unit B database was used for validation. All patients were followed in the Cancer Registry for missed GCs diagnosed between 1 month and 3 years after EGDs with negative results.
RESULTS: Sixteen endoscopists in Unit A performed 17,490 EGDs of which 15,340 (87.7%) were analyzed. EBR quartile values were 22.4% to 36.7% (low EBR), 36.8% to 43.7% (moderate), 43.8% to 51.6% (high), and 51.7% and 65.8% (very-high); median value 43.8%. The odds ratios for the moderate, high, and very-high EBR groups of detecting GPC were 1.6 (95% confidence interval [CI], 1.3-1.9), 2.0 (95% CI, 1.7-2.4), and 2.5 (95% CI, 2.1-2.9), respectively, compared with the low EBR group (P < .001). This association was confirmed with the same thresholds in the validation cohort. Endoscopists with higher EBR (≥43.8%) had a lower risk of missed cancer compared with those in the lower EBR group (odds ratio, 0.44; 95% CI, 0.20-1.00; P = .049).
CONCLUSIONS: The EBR parameter is highly variable among endoscopists and is associated with efficacy in GPC detection and the rate of missed GCs.
METHODS: We analyzed EGD databases from 2 high-volume outpatient units. EBR values, defined as the proportion of EGDs with ≥1 biopsy to all examinations were calculated for each endoscopist in Unit A (derivation cohort) and divided by the quartile values into 4 groups. Detection of GPC was calculated for each group and compared using multivariate clustered logistic regression models. Unit B database was used for validation. All patients were followed in the Cancer Registry for missed GCs diagnosed between 1 month and 3 years after EGDs with negative results.
RESULTS: Sixteen endoscopists in Unit A performed 17,490 EGDs of which 15,340 (87.7%) were analyzed. EBR quartile values were 22.4% to 36.7% (low EBR), 36.8% to 43.7% (moderate), 43.8% to 51.6% (high), and 51.7% and 65.8% (very-high); median value 43.8%. The odds ratios for the moderate, high, and very-high EBR groups of detecting GPC were 1.6 (95% confidence interval [CI], 1.3-1.9), 2.0 (95% CI, 1.7-2.4), and 2.5 (95% CI, 2.1-2.9), respectively, compared with the low EBR group (P < .001). This association was confirmed with the same thresholds in the validation cohort. Endoscopists with higher EBR (≥43.8%) had a lower risk of missed cancer compared with those in the lower EBR group (odds ratio, 0.44; 95% CI, 0.20-1.00; P = .049).
CONCLUSIONS: The EBR parameter is highly variable among endoscopists and is associated with efficacy in GPC detection and the rate of missed GCs.
Предметные рубрики MeSH
AdenomaAdolescentAdultAgedAmbulatory CareBarrett EsophagusBiopsyCohort StudiesDuodenal NeoplasmsFemaleGastritis, AtrophicGastroscopyHumansInformation Storage and RetrievalLogistic ModelsMaleMetaplasiaMiddle AgedMultivariate AnalysisPolandPrecancerous ConditionsQuality Indicators, Health CareRetrospective StudiesSquamous Intraepithelial LesionsStomachStomach NeoplasmsYoung Adult