Use of simplified HAS-BLED score for predicting bleeding events in anticoagulated patients with atrial fibrillation

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20200105005

Enrollment

110

Registered

2020-01-05

Start date

2020-01-07

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

AF patients receiving warfarin at Central Chest Institute of Thailand. simplified HAS&#45

Interventions

simplified HAS&#45

BLED â‰¥ 3 ,simplified HAS&#45

BLED < 3

Diagnostic,Diagnostic

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: AF patients who were received warfarin.

Exclusion criteria

Exclusion criteria: 1. Contraindication of warfarin or warfarin use less than 1 year 2. Each INR level was checked more than 6 months 3. All types of prosthetic heart valve including mitral valve repair 4. Patients with thrombocytopenia, myeloproliferative disorders (essential thrombocythemia, chronic myeloid leukemia, polycythemia vera, agnogenic myeloid metaplasia), hyperviscosity syndrome or cirrhosis 5. Pregnancy 6. Patients participating in other concealed study 7. Warfarin interruption from surgery or invasive procedure during study 8. Hospitalization during study 9. Warfarin discontinuation during study

Design outcomes

Primary

Measure	Time frame
Major bleeding, nonmajor clinically relevant bleeding and/or minor bleeding At follow up visit proportion of bleeding events	—

Secondary

Measure	Time frame
N/A N/A N/A	—

Countries

Thailand

Contacts

Public ContactKomsing Methavigul

Central Chest Institute of Thailand

komsing@ccit.mail.go.th0873409048

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026

Use of simplified HAS&#45;BLED score for predicting bleeding events in anticoagulated patients with atrial fibrillation