The surgical intervention for pain management that involves cutting a nerve root to relieve pain is called?

Appeared in: NORCET 3 - 2022 (Shift-1)

Explanation

Rhizotomy is a neurosurgical procedure that specifically involves cutting or severing a spinal nerve root.
The name itself is derived from Greek terms: 'rhiza' meaning 'root' and 'tome' meaning 'cut', which directly describes the action in the question.
This procedure is performed to interrupt the transmission of pain signals from a specific nerve root to the brain, thereby relieving chronic pain or severe muscle spasticity.

Why Other Options Were Wrong

Option B: Cryoanalgesia uses extreme cold (freezing) to create a lesion and destroy nerve tissue. It does not involve surgically cutting the nerve root.
Option C: Radiofrequency ablation uses heat generated by radio waves to create a lesion on nerve tissue, thereby disrupting pain signals. It is a thermal procedure, not a surgical cutting.
Option D: A cordotomy involves cutting nerve fibers within the spinal cord itself (specifically, the spinothalamic tract), not the nerve root as it exits the spinal column.

Related Visual

A diagram illustrating the difference between a spinal nerve root the target of rhizotomy and the spinal cord tracts the target of cordotomy to visually clarify the distinct...

Clinical Relevance

Nursing practice connection: Knowing Surgical Interventions for Pain Management helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses caring for a patient post-rhizotomy must conduct thorough neurological assessments to monitor for any new sensory loss, motor weakness, or changes in bowel/bladder function.
Pain assessment remains a priority to evaluate the effectiveness of the procedure and manage any incisional or residual neuropathic pain.
Patient education should include information about potential numbness in the area supplied by the severed nerve root and activity limitations during the recovery period.

How to Approach the Question

First, identify the key terms in the question stem: 'cutting' and 'nerve root'. This points to a specific surgical action on a precise anatomical structure.
Next, analyze the options by breaking down the medical terminology. 'Rhizo-' means root, and '-tomy' means to cut. 'Cordo-' refers to the spinal cord.
Combine the word parts: 'Rhizotomy' literally means 'cutting the root'. This directly matches the procedure described in the question.
Evaluate the other options to confirm your choice. 'Cryoanalgesia' involves cold, 'radiofrequency ablation' involves heat, and 'cordotomy' involves the spinal cord, not the root.
Conclude that Rhizotomy is the only option that describes the surgical cutting of a nerve root.

Concept Tested & Keywords

Concept Tested: Surgical Interventions for Pain Management
Stem keywords: surgical intervention, pain management, cutting a nerve root
Lead-in keywords: is called

Question ID

Q0qNKr9OQUzLJT0-ElmkWR

Reference Book

E6 Nursing Fundamentals Taylor p. 240-242

E6 Nursing Fundamentals Potter Perry 12e Part 5 p. 164-166

E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 8061-8063

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