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Analysis of risk factors for cerebral ischemic complications after bypass surgery in patients with moyamoya disease A single-center retrospective study

Analysis of risk factors for cerebral ischemic complications after bypass surgery in patients with moyamoya disease A single-center retrospective study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500111611
Enrollment
Unknown
Registered
2025-11-03
Start date
2025-11-03
Completion date
Unknown
Last updated
2025-11-11

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

Conditions

Moyamoya disease

Interventions

non-occurrence group:no
Occurrence group :no

Sponsors

Huashan Hospital Affiliated to Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Patients with moyamoya disease who underwent vascular bypass surgery at the Hongqiao Campus of Huashan Hospital Affiliated to Fudan University from January 2019 to December 2023; 2.Age: >18 years old, no age limit; Meet the diagnostic criteria of MMD, namely (1)Cerebral angiography or MRA shows stenosis or occlusion of the terminal segments of bilateral middle cerebral arteries and internal carotid arteries, and a large number of abnormal reticular blood vessels are formed around them;(2) Exclude cerebral vascular stenosis or occlusion caused by other reasons, such as atherosclerosis, autoimmune diseases, intracranial infection, etc.; 3.Underwent vascular bypass surgery, including direct bypass and indirect bypass; 4.Completed cranial MRI and MRA examinations before and after surgery, and the imaging data were complete; 5. Complete clinical data and follow-up records, with a follow-up time of >=3 months.

Exclusion criteria

Exclusion criteria: 1. Patients with other serious systemic diseases, such as malignant tumors, severe cardiopulmonary insufficiency, etc.; 2.Patients with severe neurological deficits before surgery, such as hemiplegia, aphasia, etc.; 3. Patients with serious complications during surgery, such as massive hemorrhage, brain herniation, etc.; 4. Patients with non-ischemic complications after surgery, such as intracranial infection, epilepsy, etc.; 5. Patients with incomplete clinical or imaging data; 6.Patients who were lost to follow-up or whose follow-up time was less than 3 months.

Design outcomes

Primary

MeasureTime frame
mRs score;MRI/CT/cerebral angiography;Anesthesia type, ART, CVP, BIS, NIRS, target blood pressure range, whether to use phenylephrine/norepinephrine, intraoperative fluid balance (crystalloid, colloid, input-output), intraoperative blood loss, intraoperative blood transfusion (red blood cell suspension, plasma, platelets), preoperative and postoperative oxygenation index (OI = PaO2/FiO2, PaO2: arterial oxygen partial pressure, FiO2: inspired oxygen concentration), intraoperative FiO2, body temperature, whether hypotension occurred d;

Countries

China

Contacts

Public ContactWang Yingwei;Cha Chaochao

Huashan Hospital Affiliated to Fudan University

wangyw@fudan.edu.cn+86 138 1875 6194

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026