The surgical intervention for pain management that involves cutting a nerve root to relieve pain is called?&… - AIIMS CRE SNO - 2023

AIIMS CRE SNO - 2023

Medical & Surgical Nursing

Easy

Appeared in: AIIMS CRE SNO - 2023

Explanation

Rhizotomy is the correct term for a surgical procedure that involves severing nerve roots in the spinal cord.
The primary purpose of a rhizotomy is to relieve chronic pain and muscle spasms by interrupting the pain signals sent to the brain.
The term's etymology ('rhizo' for root and '-tomy' for cutting) directly describes the action of cutting a nerve root.
This procedure can be performed surgically, percutaneously, or with chemicals to create a lesion that destroys the dysfunctional nerve fibers.

Option B: Cryoanalgesia uses extreme cold (freezing) to destroy nerve tissue and block pain signals, not surgical cutting.
Option C: Radiofrequency ablation uses heat generated from an electrical current (radio waves) to destroy a small area of nerve tissue. While it can be a method to perform a rhizotomy, the term itself describes the energy source, not the act of cutting a nerve root.
Option D: A cordotomy involves the surgical division of nerve tracts within the spinal cord (specifically, the anterolateral quadrant), not the nerve root.

Visual 1: Diagram - An illustration comparing Rhizotomy and Cordotomy. The diagram should clearly show the spinal cord, a spinal nerve root branching off, and the distinct locations where each procedure makes an incision (one on the nerve root for rhizotomy, one on the spinal cord tract for cordotomy). This visual helps differentiate the two most similar options.
Visual 2: Animation - A short animation showing how pain signals travel up a nerve root to the spinal cord and then to the brain, followed by a depiction of how a rhizotomy severs this pathway to block the signal.

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 must understand the difference between these procedures to provide accurate patient education and manage postoperative care effectively.
Post-rhizotomy nursing care includes monitoring for changes in sensation, motor function, and bowel/bladder control, as well as managing incisional pain and assessing for complications like infection or CSF leakage.
These neuroablative procedures are reserved for severe, intractable pain (e.g., from cancer, trigeminal neuralgia, or severe spasticity) that is unresponsive to less invasive treatments.

How to Approach the Question

First, identify the key phrase in the question: 'cutting a nerve root'. This specifies both the action (cutting) and the precise anatomical target (nerve root).
Next, analyze the medical terminology of the options. Break down the words into their roots, prefixes, and suffixes.
'Rhizo-' means root; '-tomy' means to cut. 'Rhizotomy' = cutting a root.
'Cryo-' means cold.
'Radiofrequency ablation' describes a method using heat from radio waves.
'Cordo-' refers to the spinal cord; '-tomy' means to cut. 'Cordotomy' = cutting the cord.

Concept Tested & Keywords

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