Spinal Stenosis

The Zero to Finals Medical Revision Podcast

Thomas Watchman

Life Sciences, Education, Medical Finals, Medicine, Surgery, Health & Fitness, Paediatrics, Medical Student, Medical Education, Medical Exams, Medical School, Medical Revision, Science, Learn Medicine, Finals Revision, Obstetrics And Gynaecology

4.8 • 678 Ratings

🗓️ 11 March 2022

⏱️ 6 minutes

🔗️ Recording | iTunes | RSS

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Summary

This episode covers spinal stenosis. Written notes can be found at https://zerotofinals.com/surgery/orthopaedics/spinalstenosis/ or in the orthopaedic section of the Zero to Finals surgery book. The audio in the episode was expertly edited by Harry Watchman.

Transcript

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0:00.0	Hello and welcome to the zero to finals podcast. My name is Tom and in this episode I'm going to be
0:10.9	talking to you about spinal stenosis. And you can find written notes on this topic at zero to finals.com
0:17.7	slash spinal stenosis or in the orthopedic section of the zero to finals surgery book.
0:24.1	So let's get straight into it.
0:26.7	Spinal stenosis refers to the narrowing of part of the spinal canal,
0:31.8	resulting in compression of the spinal cord or the nerve roots.
0:36.6	This usually affects the cervical or the lumbar spine in the neck or the lower back.
0:42.8	This section focuses on lumbar spinal stenosis, which is the most common type.
0:49.5	Spinal stenosis is more likely to occur in patients older than 60 years, and this relates to degenerative
0:56.2	changes in the spine, essentially wear and tear of the spine, causing narrowing of the spinal
1:02.3	canal. Let's talk about the types. There are three types, central stenosis where there's
1:10.0	narrowing of the central spinal canal, lateral stenosis where there's narrowing of the central spinal canal, lateral
1:13.8	stenosis where there's narrowing of the nerve root canals, and pheromina stenosis where there's
1:20.0	narrowing of the intervertebral pheromina. Central stonosis will cause spinal cord compression,
1:32.9	lateral stenosis and phoramina stenosis will cause compression of the nerve roots.
1:42.3	Let's talk about the causes. Several conditions can cause the spinal canal to narrow, including congenital spinal stenosis,
1:46.7	degenerative changes, including facet joint changes,
1:51.9	disc disease and bone spurs, herniated discs,
1:59.1	thickening of the ligamenta flavom, or the posterior longitudinal ligament,
2:05.4	spinal fractures, spondylolisthesis, which is anterior displacement of a vertebra out of line with the one below, and tumours. Next let's talk about the presentation.
2:13.9	The symptoms of spinal stenosis tend to have a gradual onset, as opposed to the acute onset of symptoms that will occur with cordaquinus syndrome or sudden disc herniation with cord compression.
2:27.4	The severity of symptoms will depend on the degree of narrowing and the degree of spinal cord compression.
	...

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