The Framingham Spinal Stenosis Study

The Framingham Spinal Stenosis Study

The Framingham Spinal Stenosis Study

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Most people know about the Famous Framingham Heart Study.  The study followed a group of volunteers from Framingham Massachusetts for an extended period of time.  The first group of 5209 volunteers were 30-60 year old men and women enrolled in the study from 1948.  All sorts of measures were documented.  In 1971,  5124 children of the original study group were enrolled.   In 2002,  4095 grandchildren of the original volunteer group were enrolled.  By following these people,  much have been made about the Heart effects of aging,  diet,  exercise,  etc.

In 2006,  3590 volunteers had CT scans of the heart and abdomen for further data collection.    Of these volunteers,  191 consecutive enrollee’s had additional imaging of the lower spine.   From these 191 volunteers,  there has been some interesting data about the prevalence of spinal stenosis.  This is the so called Framingham Spinal Stenosis Study.

This was the demographics taken directly from the paper:

“The study sample included 191 study participants, 104 (55.6%) males and 87 (44.4%)
females. The mean age was 52.6±10.8 (age range: 32–79) and the mean BMI was 27.8±5.0.
This subsample was representative of the whole group of individuals that underwent multidetector
CT scanning (N=3590).”

Relative Lumbar Spinal Stenosis was a 12 mm or less Mid vertebral canal diameter as measured by CT Scan.

Absolute Lumbar Spinal Stenosis was a 10 mm or less mid vertebral canal diameter as measured by CT Scan.

Statistical analysis did not correlate Low Back pain to Age,  Sex,  BMI,  or the presence of Relative Lumbar Spinal Stenosis.  However,  the presence of Absolute Lumbar Spinal Stenosis was associated with corresponding Low Back Pain.  

 

The Study Conclusions:

  1. Congenital Lumbar Stenosis is 4.71% and 2.62%  (relative,  and absolute stenosis)

  2. Prevalence of stenosis increases with age

  3. In the 60-69 age group,  the rates are 47.2% and 19.4% (relative,  and absolute stenosis)

  4. The high prevalence of stenosis in the over 60 population needs to be considered when trying to associate pain and neurologic complaints of the spine.

  5. Absolute lumbar spinal stenosis is associated with a 3 fold higher risk of lower back pain.

 

Published in final edited form as:
Spine J. 2009 July ; 9(7): 545–550. doi:10.1016/j.spinee.2009.03.005.

 

Citations

  • Kalichman L, Cole R, Kim DH, Li L, Suri P, Guermazi A, Hunter DJ. Spinal stenosis prevalence and association with symptoms: the Framingham Study. Spine J. 2009 Jul;9(7):545-50. PubMed PMID: 19398386

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Author and Contributor to www.Spine-Health.com – July, 2015

www.Spine-Health.com/author/john-h-shim-md-facs

Chief of Surgery, Mease Countryside and Mease Dunedin Hospitals, Safety Harbor and Dunedin, Florida. 2014-2016.

Orthopaedic Section Chief Mease Countryside Hospital; Safety Harbor, Florida Mease Dunedin Hospital; Dunedin, Florida.2008-2013

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Co-Director of Mease Neuro-Ortho Spine Center Mease Dunedin Hospital; Dunedin, Florida.

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The information provided on this website does not provide or should be considered medical advice. It is not a substitute for diagnosis or treatment of any condition. The information provided is for informational purposes only. You should not rely solely on the information provided on this website in making a decision to pursue a specific treatment or advice. You should consult directly with a professional healthcare provider.

As a condition of using the information on this website, ShimSpine and its physicians are not responsible for any advice, diagnosis, treatment or outcome you may obtain.

ShimSpine.com is completely self-funded. No outside funds are accepted or used. This website does not utilize paid advertising as a source of revenue.
Outpatient Spine Surgery Considerations. www.Spine-Health.com. January 2016.

What is Spinal Stenosis? www.Spine-Health.com. October 2015.

Surgeon insights on the Changing Landscape of Orthopedic Care. OrthopedicToday. June 2014

Chapter 33: Interspinous Spacers. Shim JH, Mazza JS, Kim DH Published in Minimally Invasive Percutaneous Spinal Techniques. Elsevier Health Sciences, Philadelphia, Pennsylvania. (Published 2011)

Chapter 35: Minimally Invasive Percutaneous Lumbar Fusion Technique.Shim JH, Mazza JS, Kim DH Published in Minimally Invasive Percutaneous Spinal Techniques. Elsevier Health Sciences, Philadelphia, Pennsylvania. (Published 2011)

March 2010 Minimally Invasive Transforaminal Lumbar Interbody Fusion American Academy of Orthopaedic Surgeons Annual Meeting New Orleans, Louisiana February 2010

February 2010 A Review of Dynamic Stabilization in the Lumbar Spine Selby Spine Symposium; Park City, Utah

November 2009 Lumbar Spinal Stenosis Community Based Lecture; Tampa, Florida

September 2009 Instructor/Proctor Minimally Invasive Lumbar Cadaver Lab; Tampa, Florida

February 2009 New Spinal Technology: Cervical Disc Replacement and Interspinous Spacers. Selby Spine Symposium; Park City, Utah

February 2008 The Degenerative Spine: The Role of Dynamic Lumbar Stablization and Interspinous Spacers Selby Spine Symposium; Park City, Utah

October 2008 Emerging Technology and Techniques in Spinal Surgery Orthopaedics in the 21st Century Symposium; Morton Plant Mease Healthcare; Largo, Florida

September 2007 Emerging Technology in Spinal Surgery Orthopaedics in the 21st Century Symposium; Morton Plant Mease Healthcare; Largo, Florida

October 2006 Emerging Technology and Techniques in Spinal Surgery Orthopaedics in the 21st Century Symposium; Morton Plant Mease Healthcare; Largo, Florida

May 2005 The Role of Kyphoplasty in the Treatment of Vertebral Compression Fractures Mease Neurosciences Symposium; Clearwater, Florida
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