The effectiveness of the ultrasound-guided thoracic wall nerve blocks to the breast surgery.

The effectiveness of the ultrasound-guided thoracic wall nerve blocks to the breast surgery. - The effectiveness of the ultrasound-guided thoracic wall nerve blocks to the breast surgery.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000016671

Enrollment

Registered

2015-05-01

Start date

2015-06-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Elective mastectomy for breast cancer

Interventions

PECS2 block Serratus plane block

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Elective mastectomy for breast cancer American Society of Anesthesiologists Physical Status Classification 1-2 Preoperative ADL is independence Written informed consent is provided

Exclusion criteria

Exclusion criteria: Consciousness disabilities Enough judgment ability nothing Male Emergency ASA-PS over 3 History of hypersensitivity to ropivacaine or amide type local anesthetic Hemodialysis Renal dysfunction (less than eGFR30) Liver dysfunction (Child-Pugh classification more B) Blood clotting disorder (less than 100,000 platelets/mcl, PT-INR 1.5 or more, less than APTT% 70%)

Design outcomes

Primary

Measure	Time frame
Chronic pain after 6 months (use NRS;Numeric Rating Scale)	—

Secondary

Measure	Time frame
Chronic pain after 2 months (use NRS;Numeric Rating Scale) Acute pain after 24 hours (use VAS;Visual Analog Scale) Dose of postoperative morphine Health Related Quality of Life after 2 months and 6 months (use EuroQol-5D)	—

Countries

Japan

Contacts

Public ContactTasuku Fujii

Nagoya University Hospital Department of Anesthesiology

plus9@med.nagoya-u.ac.jp052-744-2340

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026