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Cognitive Dysfunction After Aneurysmal Subarachnoid Haemorrhage

Cognitive Dysfunction After Aneurysmal Subarachnoid Haemorrhage

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT01038193
Enrollment
600
Registered
2009-12-23
Start date
2009-03-01
Completion date
2023-10-31
Last updated
2024-02-21

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

Conditions

Cognitive Dysfunction

Keywords

Cognition, subarachnoid hemorrhage.

Brief summary

This is a longitudinal, multi-center, prospective study of aneurysmal subarachnoid haemorrhage patients in neurosurgical units in Hong Kong.

Detailed description

The investigators aim to recruit a total of 240 aneurysmal subarachnoid haemorrhage patients. The schedule for neuropsychological and functional assessments will be phased in at the second to third week, the third month, and the twelve months after the initial haemorrhage.

Interventions

OTHERCognitive assessment

Cognitive and functional assessments at 2-4 weeks, 3 months and 12 months.

Sponsors

Chinese University of Hong Kong
Lead SponsorOTHER

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
21 Years to 75 Years
Healthy volunteers
Yes

Inclusion criteria

1. Spontaneous subarachnoid haemorrhage with intracranial aneurysms as aetiology 2. Admission within 96 hours of ictus 3. Aged between 21 and 75 years 4. A speaker of Chinese (Mandarin or Cantonese) 5. Informed consent from patients or their legally acceptable representatives

Exclusion criteria

1. History of previous cerebrovascular disease or neurological disease other than intracranial aneurysm 2. History of neurosurgical operation prior to ictus

Design outcomes

Primary

MeasureTime frameDescription
Cognitive dysfunction3 and 12 monthsMontreal Cognitive Assessment

Secondary

MeasureTime frameDescription
Neurological Outcome3 and 12 monthsModified Rankin Scale
Generic Quality of Life3 and 12 monthsShortForm36(SF-36)
Activity of Daily Living3 and 12 monthsBarthel Index
Disease-specific Quality of Life3 and 12 monthsStroke-specific-QOL
Functional Outcome3 and 12 monthsFunctional Independent Measure (FIM)

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 25, 2026