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  • Title: Psychological distress does not compromise outcome in spinal surgery.
    Author: Maratos EC, Trivedi R, Richards H, Seeley H, Laing RJ.
    Journal: Br J Neurosurg; 2012 Aug; 26(4):466-71. PubMed ID: 22248004.
    Abstract:
    SUMMARY OF BACKGROUND DATA: Physical outcomes following surgery for degenerative spine disease have been well studied whereas the importance of psychological factors has only recently been acknowledged. Previous studies suggest that pre-operative psychological distress predicts poor outcome from spinal surgery. In the drive to identify patients who will not benefit, these patients risk being denied surgery. STUDY DESIGN: This is a prospective series from a spinal surgical register. AIM: The study examines the relationship between the physical symptoms, pre-operative psychological distress and outcome following surgery. METHODS: The Short Form 36 (SF36) Health Survey Questionnaire and the Hospital Anxiety and Depression Scale (HADS) were administered to patients undergoing elective surgery for degenerative spine disease pre-operatively and at 3 and 12 months post-operatively. Levels of physical disability (SF-36 physical functioning (SF36PF) and bodily pain (SF36BP) scores) and psychological distress (HADS-anxiety and HADS-depression scores) before and after surgery were compared. RESULTS: A total of 302 patients were included (169 men, 133 women, mean age 55 years). Pre-operatively patients had worse physical scores than age-matched controls (SF36PF normative mean (S.D.) 80.97 (12.69) vs. pre-op 33.31 (24.7) P < 0.05). Of the 302 patients, 117 (39%) had significant anxiety or depression. Increased levels of anxiety or depression pre-operatively correlated with worse physical (SF-36PF and SF-36BP) scores pre-operatively (Spearman's r P < 0.05). Levels of anxiety and depression were reduced post-operatively and physical outcomes improved post-operatively. Physical function remained worse in those groups who had high levels of anxiety and depression pre-operatively but when matched for pre-operative physical function, psychological distress did not have any additional effect on outcome. CONCLUSIONS: Poor physical function pre-operatively correlates with psychological distress. Both physical and psychological symptoms improve after surgery. Physical outcome after surgery is strongly influenced by pre-operative physical functioning but not independently by psychological distress. Anxious and depressed patients should continue to be offered surgery if clinically indicated.
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