Spine- Thoracolumbar III- LBP Flashcards
Why is it non-specific LBP?
Nearly all cases have an unidentified source
What are some functional questionnaires for LBP with minimally clinically important effect?
- Numeric Pain Rating Scale
- Visual Analog Scale
- Oswestry Disability Questionnaire
- Roland Morris Disability Questionnaire
What functional questionnaire determined the risk of persistent disabling back pain and matches treatments?
*STarT Back Tool
How many points must a patient progress on functional questionnaires for the difference to be meaningful?
2 points
What is lumbar pain the leading cause of?
- worldwide disability
- activity limitation and work absence
What percentage of people will experience LBP in their lifetime?
80%
Where is there the smallest amount of spine related pathologies?
Thoracic
Do women or men experience more back pain?
Women
Do older or younger people experience more LBP?
Older (half > 65 years of age)
What other factors can lead to LBP?
- lower educational status (think access to healthcare, earlier addressing of issues)
- higher physical work demands
What are some risk factors for LBP?
- previous LBP
- Comorbidities such as diabetes, asthma, obesity, etc.
- poor mental health (think coping)
- smoking and low activity levels
- Awkward postures, heavy lifting and fatigue
- Genetics
What can genetics ONLY impact?
Age related disc changes, BUT can modify genes with epigenetic
What is the functional ROM necessary for sit to stand?
35 - 42 degrees of flexion
What is the functional ROM necessary for picking up objects from the floor?
60 degrees of flexion
What is the percentage of individual that showed abnormal findings with an MRI?
~1/3 (33%) had abnormal findings
- IDD
- Age related disc changes
- Nerve compression
- facet hypertrophy
What percentage of symptomatic individuals had an abnormality with imaging?
~1/2
What percentage of asymptomatic 30-80 year old individuals had disc changes with a CT and MRI?
~2/3
What was shown much more than symptomatic structural changes on the CT and MRI?
Normal asymptomatic age related changes
What percent of outpatient lumbar scans were inappropriate in 2012?
59%
Who should get imaging with LBP?
- > 50 years of age with a hx of cancer
- saddle paresthesias
- bowel and bladder dysfunction
- specific neurological deficits ( spinal nerve, brain, spinal cord)
- progressive/disabling symptoms
- NO improvement after 6 weeks of conservative rx
What does imaging NOT do?
- improve outcomes
Is routine imaging recommended in the guidelines?
NO
How many LBP cases have an unidentified nociceptive source?
Nearly all
What is there between evidence and practice?
A substantial gap