Status:

NOT_YET_RECRUITING

The Relationship Between NLR and PONV and ESPB

Lead Sponsor:

Qianfoshan Hospital

Conditions:

Erector Spinae Plane Block

Neutrophil to Lymphocyte Ratio

Eligibility:

All Genders

18-80 years

Phase:

PHASE1

Brief Summary

This study aims to investigate whether preoperative NLR (Neutrophil-to-Lymphocyte Ratio) serves as a biomarker for PONV (Postoperative Nausea and Vomiting). It also examines the impact of erector spin...

Eligibility Criteria

Inclusion

  • Patients undergoing elective posterior lumbar spine surgery in a prone position under general anesthesia.
  • ASA classification grades I to II.
  • Age between 18 and 80 years old.
  • Signed the informed consent for this study.

Exclusion

  • Preoperative blood transfusion.
  • Uncontrolled systemic diseases.
  • Patients with known uncontrolled systemic inflammatory diseases (e.g., rheumatoid arthritis, lupus, or active infections).
  • Gastrointestinal system disorders.
  • History of antiemetic and anticholinergic drug use.
  • History of adverse reactions related to surgery, deformity correction surgeries, defined as procedures involving instrumentation across three or more levels or aimed at correcting scoliosis or kyphosis.
  • Severe spinal deformities.
  • Infection at the puncture site.
  • Coagulation disorders.
  • Long-term use of sedatives and analgesic drugs before surgery.
  • Patients with mental illness or communication barriers.
  • Allergic to ropivacaine.
  • Participants involved in other clinical studies within the past 3 months.
  • History of previous lumbar surgeries.
  • Subjective unwillingness to participate in this study.

Key Trial Info

Start Date :

August 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 1 2026

Estimated Enrollment :

220 Patients enrolled

Trial Details

Trial ID

NCT06127966

Start Date

August 1 2025

End Date

September 1 2026

Last Update

July 29 2025

Active Locations (0)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 0 (0 locations)

No Results Found

We couldn’t find results for the location/zipcode entered or within the selected range. Please check your input or adjust your search.