Ispilateral shoulder pain after video-assisted thoracoscopy: a prospective, randomized, double-blind evaluation of the efficacy of infiltrationg the phrenic nerve at the vena azygos level.

Ispilateral shoulder pain after video-assisted thoracoscopy: a prospective, randomized, double-blind evaluation of the efficacy of infiltrationg the phrenic nerve at the vena azygos level. - Evaluation of the safety of infiltrationg the phrenic nerve at the vena azygos level.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030464

Enrollment

100

Registered

2018-01-01

Start date

2018-01-01

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

Patients who are scheduled for elective lobectomy or pneumonectomy for non-small cell lung cancer, aged &gt

Interventions

Phrenic nerve block at the vena azygos level Infiltrating the phrenic nerve with 0.375% ropivacaine before chest closure Infiltrating the phrenic nerve, only once. A post-operatively for 2 days observ

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients are scheduled for elective lobectomy or pneumonectomy for non-small cell lung cancer, aged > 18 years

Exclusion criteria

Exclusion criteria: Patients with contrateral palsy, allergy to ropivacaine, pre-operative history of ipsilateral shoulder pain

Design outcomes

Primary

Measure	Time frame
Postoperative pain was assessed using an 11-point numeric rating scale(NRS)	—

Secondary

Measure	Time frame
The excursion value of the shoulder PONV	—

Countries

Japan

Contacts

Public ContactKaori Kuroiwa Kimura

Nagano Red Cross Hospital Departments of Anesthesia

anesthesi0hanz13@yahoo.co.jp026-226-4131

Outcome results

None listed

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