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The association between cervical spine pathology and rotator cuff dysfunction.

Alan L Zhang1, Alexander A Theologis, Bobby Tay

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|November 14, 2014
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The link between cervical spine (C-spine) and rotator cuff (RTC) issues is stronger than with lumbar spine (L-spine) problems, especially in older adults. This association significantly increases with age, highlighting a critical connection in shoulder pain.

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Area of Science:

  • Orthopedics
  • Spine Surgery
  • Sports Medicine

Background:

  • Cervical spine (C-spine) and rotator cuff (RTC) pathologies are common causes of shoulder pain.
  • Limited research exists on the relationship between C-spine and RTC conditions.
  • Understanding this connection is crucial for effective diagnosis and treatment.

Purpose of the Study:

  • To investigate the association between cervical spine (C-spine) and rotator cuff (RTC) pathology.
  • To compare the relationship between C-spine and RTC pathology versus lumbar spine (L-spine) and RTC pathology.
  • To analyze how age influences the association between C-spine and RTC pathology.

Main Methods:

  • Retrospective cohort study utilizing a large national database (private payer and Medicare records) from 2005-2011.
  • Identified patients with C-spine and/or RTC diagnoses, stratifying those with concomitant diagnoses by age and sex.
  • Used patients with lumbar spine (L-spine) and RTC pathology as a comparative group, employing multivariate logistic regression for analysis.

Main Results:

  • Concomitant C-spine and RTC diagnoses were found in 13% of RTC patients and 16% of C-spine patients.
  • The association between C-spine and RTC pathology significantly increased with age, rising from 13% in those under 60 to 25% in those over 60 (P<0.0001).
  • RTC pathology showed a higher correlation with C-spine pathology (OR, 2.32) than L-spine pathology, and C-spine patients were more likely to develop new RTC pathology (OR, 1.53).

Conclusions:

  • The association between cervical spine and rotator cuff pathology is significantly stronger than that with lumbar spine pathology.
  • This relationship substantially increases with patient age.
  • Further research is required to determine the underlying mechanisms driving this association.