A large prospective cohort study of cerebral microbleeds on MRI: prevalence, associations and a risk factor for stroke recurrence

A large prospective cohort study of cerebral microbleeds on MRI: prevalence, associations and a risk factor for stroke recurrence - MARS research (Microbleeds-Associated Recurrent Stroke research)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000001232

Enrollment

2000

Registered

2008-07-07

Start date

2008-07-01

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

Stroke

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Stroke patients with 50 years of age and older, developed during the period from July 2008 to June 2009. 2) Patients underwent gradient-echo T2*-weighted MR imaging.

Exclusion criteria

Exclusion criteria: Patients with intracerebral hematoma associated with ruptured cerbral aneurysm, arteriovenous malformation, moyamoya disease, brain tumor, and head trauma.

Design outcomes

Primary

Measure	Time frame
Recurrence of stroke	—

Secondary

Measure	Time frame
Increment of the number of microbleeds	—

Countries

Japan

Contacts

Public ContactTadahiro Otsuka

National Hospital Organization Kumamoto Medical Center Neurosurgery

otk@kumamoto2.hosp.go.jp096-353-6501

Outcome results