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- Harutomo Hasegawa, Michael Samuel, Abdel Douiri, and Keyoumars Ashkan.
- Department of Neurosurgery, King's College Hospital, Denmark Hill, London, United Kingdom. Electronic address: h.hasegawa@nhs.net.
- World Neurosurg. 2014 Dec 1;82(6):1295-1299.e2.
ObjectiveSubthalamic nucleus (STN) deep brain stimulation (DBS) is an established treatment for patients with advanced Parkinson disease. However, some patients feel less satisfied with the outcome of surgery. We sought to study the relationship between expectations, satisfaction, and outcome in STN DBS for Parkinson disease.MethodsTwenty-two consecutive patients undergoing STN DBS completed a modified 39-item Parkinson disease questionnaire (PDQ-39) preoperatively and 6 months postoperatively. A satisfaction questionnaire accompanied the postoperative questionnaire.ResultsPatients expected a significant improvement from surgery preoperatively: preoperative score (median PDQ-39 summary score [interquartile range]): 37.0 (9.5), expected postoperative score: 13.0 (8.0), P < 0.001. Patients improved after surgery (preoperative score 39.0 [11.5], postoperative score 25.0 [14.3], P = 0.003), although there was a substantial disparity between the expected change (24.0 [15.0]) and actual change (14.0 [22.5]), P = 0.008. However, most patients felt that surgery fulfilled their expectations (mean score on a 0%-100% visual analog scale); (75.3 ± 17.8) and were satisfied (73.3 ± 25.3). Satisfaction correlated with fulfillment of expectations (r = 0.910, P < 0.001) but not with quantitative changes in PDQ-39 scores.ConclusionsAddressing patients' expectations both preoperatively and postoperatively may play an important role in patient satisfaction, and therefore overall success, of STN DBS surgery for Parkinson disease.Copyright © 2014 Elsevier Inc. All rights reserved.
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