• Eleni C Maratos, Rikin Trivedi, Hugh Richards, Helen Seeley, and Rodney J C Laing.
• Department of Neurosurgery, Addenbrooke's Hospital, Cambridge, UK.
• Br J Neurosurg. 2012 Aug 1;26(4):466-71.

Summary Of Background DataPhysical 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 DesignThis is a prospective series from a spinal surgical register.AimThe study examines the relationship between the physical symptoms, pre-operative psychological distress and outcome following surgery.MethodsThe 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.ResultsA 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.ConclusionsPoor 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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