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[Classification of post-cordotomy dysesthesia]

T Nagaro¹, S Oka, K Amakawa

¹Department of Anesthesiology and Resuscitology, Ehime University School of Medicine.

Masui. the Japanese Journal of Anesthesiology

|September 1, 1994

Summary

Postcordotomy dysesthesia, a complication of percutaneous cervical cordotomy (PCC), presents in three distinct types. Understanding these classifications aids in managing neuropathic pain after the procedure.

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An Experimental Paradigm for the Prediction of Post-Operative Pain PPOP

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Published on: January 27, 2010

Area of Science:

Neurosurgery
Pain Management
Neurology

Context:

Percutaneous cervical cordotomy (PCC) is a neurosurgical procedure for intractable pain.
Post-procedural complications require detailed classification for effective management.
Dysesthesia, an abnormal sensation, is a recognized complication following cordotomy.

Purpose:

To classify the clinical features of dysesthesia occurring after percutaneous cervical cordotomy (PCC).
To investigate the incidence and potential causes of postcordotomy dysesthesia.
To differentiate types of dysesthesia based on location and pain recovery patterns.

Summary:

Dysesthesia was observed in 15.2% of 66 patients undergoing PCC.
Type 1 (6 patients): Dysesthesia in previously painful, now numb areas, possibly due to tumor invasion.
Type 2 (2 patients): Dysesthesia in numb areas, likely from neuronal destruction by PCC.
Type 3 (3 patients): Dysesthesia in areas with partial pain recovery, potentially due to reduced PCC efficacy.

Impact:

Provides a clinical classification for postcordotomy dysesthesia.
Suggests etiological factors for different types of dysesthesia.
Informs clinical practice for managing neuropathic pain post-PCC.