An analysis of catheterization and solution spread in ultrasound-guided paravertebral block under thoracoscopy

An analysis of catheterization and solution spread in ultrasound-guided paravertebral block under thoracoscopy - An analysis of catheterization and solution spread in ultrasound-guided paravertebral block under thoracoscopy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000016472

Enrollment

Registered

2015-02-25

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

video-assisted thoracic surgery

Interventions

ultrasound-guided paravertebral block (10ml injection group:saline) (Later, local anesthetic 20ml injection from the catheter) ultrasound-guided paravertebral block(30ml injection group:10mlsaline+2

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Elective video-assisted thoracic surgery patients (lung cancer, mediastinal tumor, pneumothorax, interstitial pneumonia, etc.) 20 years of age or older ASA physical status classification(class1, class2)

Exclusion criteria

Exclusion criteria: Minor Impaired consciousness There is not enough judgment ability Emergency surgery Class3 more ASA classification hypersensitivity to ropivacaine or amide type local anesthetic Hemodialysis Advanced renal dysfunction(less than eGFR30) Liver dysfunction (Child-Pugh classification more B)

Design outcomes

Primary

Measure	Time frame
Spread type of the solution	—

Secondary

Measure	Time frame
Distance of the paravertebral catheter placement Success rate of catheterization (same intercostal level) Check of paravertebral catheter by saline mixed air under ultrasound Postoperative pain(VAS)	—

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