Background: Colonoscopy demands a considerable amount of resources, and little is known about its diagnostic yield among inpatients. Aims: To assess indications, diagnostic yield and findings of colonoscopy for inpatients, and to identify risk factors for relevant findings and cancer. Methods: Multicentre, prospective, observational study including 12 hospitals. Consecutive adult inpatients undergoing colonoscopy were evaluated from February through November 2019. Results: 1,302 inpatients underwent colonoscopy. Diagnostic yield for relevant findings and cancer was 586 (45%) and 112 (8.6%), respectively. Adequate colon cleansing was achieved in 896 (68.8%) patients. Split-dose/same-day regimen was adopted in 847 (65%) patients. Factors associated to relevant findings were age ≥70 years (RR 1.32), male gender (RR 1.11), blood loss (RR 1.22) and adequate cleansing (RR 1.63). Age ≥70 years (RR 2.08), no previous colonoscopy (RR 2.69) and split-dose/same-day regimen (RR 1.59) significantly increased cancer detection. Implementing adequate cleansing and split-dose/same-day regimen in all patients would increase the diagnostic yield for any relevant findings and cancer from 43% to 70% and from 6% to 10%, respectively. Conclusion: Relevant colorectal diseases and cancer were frequent among inpatients. Factors associated with detection of relevant findings were identified. Adequate colon cleansing and split-dose/same-day regimen significantly increased colonoscopy diagnostic yield.

The diagnostic yield of colonoscopy in hospitalized patients. An observational multicenter prospective study

Frazzoni L.;Laterza L.;La Marca M.;Zagari R. M.;Bazzoli F.;Fuccio L.
2021

Abstract

Background: Colonoscopy demands a considerable amount of resources, and little is known about its diagnostic yield among inpatients. Aims: To assess indications, diagnostic yield and findings of colonoscopy for inpatients, and to identify risk factors for relevant findings and cancer. Methods: Multicentre, prospective, observational study including 12 hospitals. Consecutive adult inpatients undergoing colonoscopy were evaluated from February through November 2019. Results: 1,302 inpatients underwent colonoscopy. Diagnostic yield for relevant findings and cancer was 586 (45%) and 112 (8.6%), respectively. Adequate colon cleansing was achieved in 896 (68.8%) patients. Split-dose/same-day regimen was adopted in 847 (65%) patients. Factors associated to relevant findings were age ≥70 years (RR 1.32), male gender (RR 1.11), blood loss (RR 1.22) and adequate cleansing (RR 1.63). Age ≥70 years (RR 2.08), no previous colonoscopy (RR 2.69) and split-dose/same-day regimen (RR 1.59) significantly increased cancer detection. Implementing adequate cleansing and split-dose/same-day regimen in all patients would increase the diagnostic yield for any relevant findings and cancer from 43% to 70% and from 6% to 10%, respectively. Conclusion: Relevant colorectal diseases and cancer were frequent among inpatients. Factors associated with detection of relevant findings were identified. Adequate colon cleansing and split-dose/same-day regimen significantly increased colonoscopy diagnostic yield.
Frazzoni L.; Radaelli F.; Spada C.; Mussetto A.; Frazzoni M.; Laterza L.; Rondonotti E.; La Marca M.; Zagari R.M.; Piccirelli S.; Bazzoli F.; Fabbri C.; Manno M.; Aragona G.; Manes G.; Occhipinti P.; Cadoni S.; Hassan C.; Fuccio L.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/796009
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