Hemidiaphragmatic paralysis following superior trunk nerve block versus subomohyoid suprascapular nerve block for arthroscopic shoulder surgery: a randomized controlled trial

Status

Recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200066852

Enrollment

Unknown

Registered

2022-12-20

Start date

2022-12-20

Completion date

Unknown

Last updated

2023-05-15

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

Conditions

arthroscopic shoulder surgery

Interventions

STB:superior trunk nerve block

SSNB:subomohyoid suprascapular nerve block

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Age = 18 years; 2) ASA classification I-III; 3) Patients undergoing elective shoulder arthroscopy

Exclusion criteria

Exclusion criteria: 1) severe pulmonary disease 2) BMI?35kg/m2; 3) long-term opioid use (taking opioids for more than three months or oral morphine equivalent of more than 5mg per day for 1 month); 4) prior neuropathy in the operated limb; 5) history of significant mental illness that may affect the patient's assessment; 6) pregnancy; 7) those with contraindications to the regional block technique (allergy to local anesthetics, infection around the puncture site and those with coagulation disorders); 8) those who refuse to participate in this study

Design outcomes

Primary

Measure	Time frame
the incidence of hemidiaphragmatic paralysis;	—

Secondary

Measure	Time frame
Success rate of sensory-motor block in the C5-C6 cortex;24h analgesic satisfaction;NRS;	—

Countries

China

Contacts

Public ContactXin-qi Cheng

The First Affiliated Hospital of Anhui Medical University

ay_mz_cheng@126.com13965015671

Outcome results

None listed

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