A study on the effect of thoracic paravertebral block on the function of the phrenic nerve

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2400081591

Enrollment

Unknown

Registered

2024-03-06

Start date

2024-03-13

Completion date

Unknown

Last updated

2024-03-11

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

Conditions

Diaphragmatic paralysis

Interventions

Paravertebral thoracic block:Select patients who undergo CT guided pulmonary lesion ablation surgery at a scheduled time, and perform T4 thoracic paravertebral block in a prone position before the sur

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: (1) Patients intended to undergo CT-guided MWA of lung tumor nodules or tumors; (2) Age =18 years; (3) ASA class I–III.

Exclusion criteria

Exclusion criteria: (1) Allergy to anesthetics; (2) Coagulation disorders; (3) Phrenic nerve injury; (4) Long-term opioid use; (5) Abnormal lung function; (6) Unable to understand pain rating criteria; (7) Refusal to participate in research; (8) Puncture site infection; (9) Abnormal diaphragm function; (10) Unable to cooperate with forceful breathing movements; (11) The lung lesion is located near the diaphragm.

Design outcomes

Primary

Measure	Time frame
The incidence of diaphragm dysfunction;	—

Secondary

Measure	Time frame
Ultrasound induced diaphragm mobility;Pulmonary function indicators(FVCFEV1FEV1/FVC%);Perioperative VAS;Drug diffusion range under CT;	—

Countries

China

Contacts

Public ContactZhu Jiang

The Second Affiliated Hospital of Soochow University

zhujiangsz@126.com+86 139 6215 3438

Outcome results

None listed

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