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The feasibility and reproducibility of speckle tracking to quantify intercostal muscle longitudinal strain: a two-center prospective observational pilot study

The feasibility and reproducibility of speckle tracking to quantify intercostal muscle longitudinal strain: a two-center prospective observational pilot study

Status
Active, not recruiting
Phases
Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100049817
Enrollment
Unknown
Registered
2021-08-10
Start date
2021-08-20
Completion date
Unknown
Last updated
2022-04-19

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

Conditions

Intercostal muscle

Interventions

Sponsors

Zhongnan Hospital of Wuhan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: First part: Healthy volunteers Second part: 1. Mechanical ventilation for more than 48 hours 2. Relatively stable vital signs: (1) Pressure support = 5 ml/kg of ideal body weight, no obvious signs of dyspnea, such as the tri-concave sign or prominent use of auxiliary respiratory muscles.

Exclusion criteria

Exclusion criteria: First part: 1. Age <18 years old; 2. Have a history of smoking. Second part: 1. Age <18 years old; 2. Preexisting neuromuscular disease; 3. Pregnant women; 4. There is a rib fracture; 5. No spontaneous breathing; 6. Are using neuromuscular blocking agents; 7. There is a closed chest drainage tube at the inspection site.

Design outcomes

Primary

MeasureTime frame
Part I: intercostal muscle longitudinal strain;Part II: intercostal muscle longitudinal strain;

Secondary

MeasureTime frame
Part I: Intercostal muscle thickening fraction;Part II: Intercostal muscle thickening fraction;

Countries

China

Contacts

Public ContactCai Shuhan

Zhongnan Hospital of Wuhan University

caishuhan@163.com+86 18971221025

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 11, 2026