Intelligent quantitative evaluation system of cerebral blood flow redistribution during cerebrovascular reconstruction in patients with cerebral ischemia by contrast-enhanced ultrasound

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100050390

Enrollment

Unknown

Registered

2021-08-27

Start date

2021-08-30

Completion date

Unknown

Last updated

2022-04-25

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

Conditions

Cerebral ischemic disease

Interventions

Prognostic study group:Nil

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-80 years, gender is not limited; 2. Understand and sign the informed consent; 3. Patients with cerebral ischemia who need superficial temporal artery-middle cerebral artery bypass surgery to improve intracranial blood supply confirmed by cerebral angiography.

Exclusion criteria

Exclusion criteria: 1. Patients with severe arrhythmia; 2. Patients with respiratory failure who need to use a ventilator; 3. Patients with heart disease with right-to-left shunt, patients with known severe pulmonary hypertension (pulmonary arterial pressure > 90 mmHg), patients with uncontrolled essential hypertension, and patients with adult respiratory distress syndrome; 4. The use of dobutamine in patients with cardiovascular instability is concondicated; 5. Patients who have had anaphylaxis due to SonoVue injection; 6. Patients with myocardial infarction and myocardial ischemia.

Design outcomes

Primary

Measure	Time frame
Hemodynamic parameters of contrast-enhanced ultrasound;modified Rankin scale (mRS);	—

Secondary

Measure	Time frame
Clinical data;	—

Countries

China

Contacts

Public ContactDing Hong

Huashan Hospital Affiliated to Fudan University

ding_hong@fudan.edu.cn+86 13651886013

Outcome results

None listed

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