Free Interleukin 18 (IL-18F) Blood Levels Following Midline Laparotomy: A Prospective Randomized Study of Patients With Benign Disease and Patients With Cancer

  • 0Department of Surgery and School of Medicine, University of Eastern Finland (UEF), Kuopio, Finland.

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Summary

This summary is machine-generated.

Free interleukin-18 (IL-18F) levels decreased significantly after midline laparotomy (MLa) and correlated with pain scales. These findings highlight IL-18F as a potential biomarker for understanding postoperative pain.

Area Of Science

  • Biochemistry
  • Immunology
  • Surgical Research

Background

  • Midline laparotomy (MLa) involves significant surgical stress.
  • Understanding the inflammatory response and pain after MLa is crucial for patient recovery.

Purpose Of The Study

  • To assess blood levels of free interleukin-18 (IL-18F) and other biomarkers in patients undergoing MLa.
  • To investigate the correlation between IL-18F levels and postoperative pain.

Main Methods

  • Blood samples were collected from 56 patients preoperatively and postoperatively.
  • Levels of IL-18F, cytokines, caspase-1, hs-CRP, and 4-HNE were measured.
  • Pain was assessed using Numerical Rating Scale (NRS) and Brief Pain Inventory (BPI) scales.

Main Results

  • IL-18F levels significantly decreased from immediately after MLa to 24 hours postoperatively.
  • IL-18F levels showed correlations with IL-18, IL-18 binding protein (IL-18BP), and 4-hydroxynonenal (4-HNE).
  • IL-18F levels were inversely correlated with Brief Pain Inventory (BPI) pain scores.

Conclusions

  • This study is the first to link elevated IL-18F levels with pain scales in MLa patients.
  • Postoperative IL-18F levels decrease significantly and correlate with specific biomarkers and pain scores.
  • These findings suggest IL-18F's potential as an acute phase response biomarker for pain assessment after MLa.