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Cryoneurolysis for zygapophyseal joint pain: a retrospective analysis of 117 interventions.
MedLine Citation:
PMID:  21359539     Owner:  NLM     Status:  Publisher    
PURPOSE: Lumbar facet joint syndrome (LFJS) is the cause of pain in 15-54% of the patients with low-back pain. There are few studies of cryotherapy for LFJS, focusing mainly on pain scores rather than further outcome measures. The aim of the study was to determine the long-term outcome after cryoneurolysis of lumbar facet joints, looking at pain scores, pain-related impairment patient satisfaction, and pain-related anxiety/depression. METHODS: The study design was a retrospective observational study. In a 4-year period, 117 cryoneurolyses were performed in 91 patients under CT guidance in the prone position. Data from patient charts and questionnaires pre- and post-treatment were evaluated. RESULTS: The mean pain rating sank from 7.70 before treatment to 3.72 post treatment. In the post-interventional 3 months follow-up, this value rose to 4.22. At follow-up (mean 1.7 years, range 6-52 months), the mean visual analogue scale (VAS) was 4.99. The pain disability index revealed statistically significant improvements in the following items: familiar and domestic duties, recreation, social activities, profession and vitally indispensable activities (p < 0.05). Hospital anxiety and depression scale (HADS) scores for depression showed a statistically significant decline after therapy, whereas scores for anxiety did not. A subgroup of patients who did not benefit from cryoneurolysis had elevated depression scores. CONCLUSIONS: Cryoneurolysis for LFJS can lead to favourable results with sustained pain relief, amelioration of pain-related disability and reduction of depression scores.
Tilman Wolter; M Deininger; U Hubbe; M Mohadjer; S Knoeller
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-26
Journal Detail:
Title:  Acta neurochirurgica     Volume:  -     ISSN:  0942-0940     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-3-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0151000     Medline TA:  Acta Neurochir (Wien)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Interdisciplinary Pain Centre, Breisacherstr. 64, 79106, Freiburg, Germany,
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