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Spine (Phila Pa 1976). 1995 Jan 1;20(1):20-5; discussion 26.

The prevalence of chronic cervical zygapophysial joint pain after whiplash.

Author information

1
Cervical Spine Research Unit, Faculty of Medicine, University of Newcastle, Callaghan, Australia.

Abstract

STUDY DESIGN:

A survey of the prevalence of cervical zygapophysial joint pain was conducted.

OBJECTIVES:

To determine the prevalence of cervical zygapophysial joint pain in patients with chronic neck pain after whiplash.

SUMMARY OF BACKGROUND DATA:

In a significant proportion of patients with whiplash, chronic, refractory neck pain develops. Provisional data suggest many of these patients have zygapophysial joint pain, but the diagnosis has been established by single, uncontrolled diagnostic blocks.

METHODS:

Fifty consecutive, referred patients with chronic neck pain after whiplash injury were studied using double-blind, controlled, diagnostic blocks of the cervical zygapophysial joints. On separate occasions, the joint was blocked with either lignocaine or bupivacaine in random order.

RESULTS:

A positive diagnosis was made only if both blocks relieved the patient's pain and bupivacaine provided longer relief. Painful joints were identified in 54% of the patients (95% confidence interval, 40% to 68%).

CONCLUSION:

In this population, cervical zygapophysial joint pain was the most common source of chronic neck pain after whiplash.

PMID:
7709275
[Indexed for MEDLINE]

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