Application of diaphragm thickness ratio in the diagnosis of diaphragm paralysis caused by intermuscular sulcus brachial plexus block

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200056765

Enrollment

Unknown

Registered

2022-02-15

Start date

2022-02-07

Completion date

Unknown

Last updated

2023-09-11

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

Conditions

Unilateral upper limb surgery under intermuscular sulcus brachial plexus block anesthesia

Interventions

one:Intramuscular sulcus brachial plexus block with 0.3% ropivacaine

two:Intramuscular sulcus brachial plexus block with 0.5% ropivacaine

Eligibility

Sex/Gender

All

Age

18 Years to 75 Years

Inclusion criteria

Inclusion criteria: The operation time is expected to be within 2h, regardless of gender, age 18-75 years, ASA grade I-II, patients with normal liver and kidney functions.

Exclusion criteria

Exclusion criteria: Patients with chronic pulmonary and bronchial diseases, patients with altered anesthesia caused by nerve block failure, patients with contraindications to brachial plexus block, patients with abnormal phrenic nerve or diaphragm dysfunction, patients who refuse to participate in the study, patients with obstructive sleep apnea syndrome, pregnant or lactating women, and patients who cannot cooperate.

Design outcomes

Primary

Measure	Time frame
Diaphragm thickness ratio;	—

Countries

China

Contacts

Public ContactZhang wei

lyq-tige@163.com13813941412

Outcome results

None listed

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