The effect of difference in local anesthetic concentration used in continuous paravertebral block on thoracoscopic pulmonary resection on postoperative analgesic effect (a prospective randomized double-blind controlled study)

The effect of difference in local anesthetic concentration used in continuous paravertebral block on thoracoscopic pulmonary resection on postoperative analgesic effect (a prospective randomized double-blind controlled study) - The effect of difference in local anesthetic concentration used in continuous paravertebral block on thoracoscopic pulmonary resection on postoperative analgesic effect (a prospective randomized double-blind controlled study)

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000037930

Enrollment

Registered

2019-09-09

Start date

2019-09-10

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 undergoing video-assisted thoracoscopic lung resection

Interventions

Continuous paravertebral block (continuous administration of 0.25% levobupivacaine at 8 ml / hour for 2 days) Continuous paravertebral block (continuous administration of 0.125% levobupivacaine at 8 m

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing thoracic pneumonectomy at Bellland General Hospital

Exclusion criteria

Exclusion criteria: Patients who do not agree to this clinical study Maternity Patients who cannot perform paravertebral block for the following reasons 1.Patients who are allergic to the drugs used (such as levobupivacaine and ropivacaine) 2.Patients undergoing anticoagulation therapy 3.Patient with infection at the puncture site Patients who are judged inappropriate by the person in charge or joint researcher

Design outcomes

Primary

Measure	Time frame
Pain score(Visual Analog Scale: VAS) for coughing in the morning following surgery	—

Secondary

Measure	Time frame
Resting VAS (0, 2, 4, 6, 8 hours after surgery, morning on the first day after surgery, morning on the second day after surgery) VAS on coughing (2, 4, 6, 8 hours after surgery, morning on the second day after surgery) Cold loss range (2 hours after surgery, morning on the first day after surgery) Time when additional analgesics were administered from the postoperative day to the next morning, types of analgesics, and VAS Patient age, height, weight, gender, American Society of Anesthesiology preoperative status classification Surgery information (disease name, procedure, anesthesia time, operation time, fentanyl usage, remifentanil usage) Postoperative side effects (nausea and vomiting, urinary retention, local anesthetic poisoning, etc.) Complications (pneumothorax, vascular puncture, anaphylactic shock, etc.) Patient satisfaction	—

Measure

Time frame

Resting VAS (0, 2, 4, 6, 8 hours after surgery, morning on the first day after surgery, morning on the second day after surgery) VAS on coughing (2, 4, 6, 8 hours after surgery, morning on the second day after surgery) Cold loss range (2 hours after surgery, morning on the first day after surgery) Time when additional analgesics were administered from the postoperative day to the next morning, types of analgesics, and VAS Patient age, height, weight, gender, American Society of Anesthesiology preoperative status classification Surgery information (disease name, procedure, anesthesia time, operation time, fentanyl usage, remifentanil usage) Postoperative side effects (nausea and vomiting, urinary retention, local anesthetic poisoning, etc.) Complications (pneumothorax, vascular puncture, anaphylactic shock, etc.) Patient satisfaction

—

Countries

Japan

Contacts

Public ContactSayuri Kawase

Bellland General Hospital Department of Anesthesia

s_kawase@seichokai.or.jp072-234-2001

Outcome results

None listed

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