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Related Experiment Video

Updated: Feb 10, 2026

Surgical Approach and Complications of Stand-alone Lateral Trans-Psoas Interbody Fusion

Surgical Approach and Complications of Stand-alone Lateral Trans-Psoas Interbody Fusion

Published on: February 14, 2025

Late complication after single-rod instrumentation

R S Hatch¹, P F Sturm, C C Wellborn

¹Department of Orthopaedic Surgery, Children's National Medical Center, Washington, DC 20010, USA.

|July 22, 1998

Summary

This summary is machine-generated.

Delayed perispinal soft-tissue inflammation is a potential complication of spinal fusion surgery using single-rod constructs. Hardware removal and antibiotics effectively treated this rare complication.

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Area of Science:

Spinal surgery
Orthopedic complications
Biomaterials in medicine

Background:

Delayed perispinal soft-tissue complications have been noted with two-rod spinal instrumentation.
Potential causes include low-virulence bacterial infection or chronic inflammation from metal fretting.
This complication has not previously been linked to single-rod constructs.

Observation:

A case report details a symptomatic perispinal soft-tissue complication.
The complication occurred after successful spinal fusion using a unilateral, posterior, multiple hook-rod construct.
Inflammation was observed during exploratory surgery for progressive pain.

Findings:

Complete pain relief was achieved after surgical removal of the spinal instrumentation.
Empiric oral antibiotic treatment was administered.
Laboratory findings supported the diagnosis of inflammation.

Implications:

Delayed chronic inflammation can be a late complication of single-rod spinal instrumentation.
Hardware removal is a successful management strategy.
Low-virulence infection should be considered in the etiology of unexplained inflammation.