• Asdrubal Falavigna, Orlando Righesso, Alisson Roberto Teles, Lucas Piccoli Conzati, Julia Bertholdo Bossardi, Pedro Guarise da Silva, and Joseph S Cheng.
• Department of Neurosurgery, University of Caxias do Sul, Rua General Arcy da Rocha Nóbrega, 401/602, Caxias do Sul, RS, CEP: 95040-290, Brazil, asdrubalmd@gmail.com.
• Eur J Orthop Surg Tr. 2015 Jul 1; 25 Suppl 1: S35-41.

ObjectiveTo demonstrate the responsiveness of depression after surgery for lumbar degenerative disease and to verify the impact of this condition on surgical outcomes.Patient SampleA prospective cohort study with 91 patients with lumbar degenerative diseases who were evaluated preoperatively, at 30 days and 1 year postoperatively.Outcome MeasuresEvolution of depression between the follow-ups and its correlation with satisfaction.MethodsDepression was assessed with Beck Depression Inventory. According to depression responsiveness, patients were classified into four groups: NN = no depression; ND = normal during the preoperative period and depression within 1 year; DN = depression during the preoperative period and normal within 1 year; DD = depression during the preoperative period and within 1 year.ResultsPrevalence of preoperative depression was 28.6% and 17.6% within 1 year postoperatively. Most patients (65.4%) with depression in the preoperative period recovered postoperatively. Poor preoperative HRQoL measures were associated with higher rates of responsiveness of depression during the follow-up. Patients with depression at the 1-year postoperative follow-up had a worse functional outcome. Patients who improved from depression had similar outcome to those without depression. Dissatisfaction within 1 year postoperatively was greater in patients who become depressed after surgery and remain depressed at 1-year follow-up (NN = 8.8%; ND = 42.9%; DN = 17.6%; DD = 44.4%; P = 0.012).ConclusionMost patients with depression in the preoperative recover within 1 year postoperatively. Responsiveness of depression is associated with surgical outcomes. The presence of depression after the surgical treatment, independent of when it starts, had a major negative impact on prognosis.

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