ABO blood group is an independent risk factor for delayed post-procedural bleeding after colorectal endoscopic resection: a multi-center case-control study

ABO blood group is an independent risk factor for delayed post-procedural bleeding after colorectal endoscopic resection: a multi-center case-control study - ABO Blood group is an independent risk factor for delayed bleeding after colorectal endoscopic resection

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000036484

Enrollment

8625

Registered

2019-04-13

Start date

2019-04-13

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal tumors

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Consecutive patients who admitted to 4 hospitals to undergo endoscopic resection during the study period

Exclusion criteria

Exclusion criteria: 1) patients who have never undergone blood group screening in each hospital or whose ABO blood group was undetermined despite the screening test 2) patients who underwent endoscopic resection without interrupting anti-platelets or anti-coagulants. For patients who met the eligibility criteria,

Design outcomes

Primary

Measure	Time frame
The incidence of delayed post-procedural bleeding within 28 days from the procedure.	—

Countries

Japan

Contacts

Public ContactHiroto Furuhashi

The Jikei University School of Medicine Department of Endoscopy

ms04furuhashi@gmail.com03-3433-1111

Outcome results