Effects of ultrasound-guided thoracic nerve block with different volume of ropivacaine on analgesic effect and stress level in patients undergoing modified radical mastectomy

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100049162

Enrollment

Unknown

Registered

2021-07-24

Start date

2021-08-01

Completion date

Unknown

Last updated

2022-04-04

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

Conditions

breast cancer

Interventions

Experimental group1:30ml ropivacaine thoracic nerve block

Experimental group2:40ml ropivacaine thoracic nerve block

Eligibility

Sex/Gender

Female

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Female, over 18 years old; 2. ASA I-II patients; 3. Plan elective unilateral radical mastectomy under general anesthesia.

Exclusion criteria

Exclusion criteria: 1. The patient refuses; 2. History of allergy to ropivacaine; 3. Contraindications of regional anesthesia (coagulation dysfunction and local infection); 4. BMI >40 Kg/m2; 5. Bilateral mastectomy; 6. Use of chronic pain relievers, illegal drugs or alcohol; 7. Mental problems.

Design outcomes

Primary

Measure	Time frame
Size of nerve block area;Nerve block plane;pain grade;	—

Countries

china

Contacts

Public ContactLin Xinqiang

Department of Anesthesiology, Affiliated Hospital of Putian University

894651884@qq.com+86 13646983330

Outcome results

None listed

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