Lateral ventricle volume is poor predictor of post unilateral DBS motor change for Parkinson’s disease

Boonstra, 2008, Gait disorders and balance disturbances in Parkinson’s disease: clinical update and pathophysiology, Curr Opin Neurol, 21, 461, 10.1097/WCO.0b013e328305bdaf Pickering, 2007, A meta-analysis of six prospective studies of falling in Parkinson’s disease, Mov Disord, 22, 1892, 10.1002/mds.21598 Wood, 2002, Incidence and prediction of falls in Parkinson’s disease: a prospective multidisciplinary study, J Neurol Neurosurg Psychiatry, 72, 721, 10.1136/jnnp.72.6.721 Rahman, 2008, Quality of life in Parkinson’s disease: the relative importance of the symptoms, Mov Disord, 23, 1428, 10.1002/mds.21667 Lo, 2009, Clinical features in early Parkinson disease and survival, Arch Neurol, 66, 1353, 10.1001/archneurol.2009.221 Anderson, 2005, Pallidal vs subthalamic nucleus deep brain stimulation in Parkinson disease, Arch Neurol, 62, 554, 10.1001/archneur.62.4.554 Koller, 1999, Surgical treatment of Parkinson’s disease, J Neurol Sci, 167, 1, 10.1016/S0022-510X(99)00139-2 Kumar, 1998, Double-blind evaluation of subthalamic nucleus deep brain stimulation in advanced Parkinson’s disease, Neurology, 51, 850, 10.1212/WNL.51.3.850 Kelly, 2006, Gait changes in response to subthalamic nucleus stimulation in people with Parkinson disease: a case series report, J Neurol Phys Ther, 30, 184, 10.1097/01.NPT.0000281255.10174.e2 Visser, 2008, Subthalamic nucleus stimulation and levodopa-resistant postural instability in Parkinson’s disease, J Neurol, 255, 205 Okun, 2009, Cognition and mood in Parkinson’s disease in subthalamic nucleus versus globus pallidus interna deep brain stimulation: the COMPARE trial, Ann Neurol, 65, 586, 10.1002/ana.21596 Walker, 2009, Bilateral effects of unilateral subthalamic deep brain stimulation on Parkinson’s disease at 1 year, Neurosurgery, 65, 302, 10.1227/01.NEU.0000349764.34211.74 Palm, 2009, Ventricular dilation: association with gait and cognition, Ann Neurol, 66, 485, 10.1002/ana.21739 Lewis, 2009, Asymmetrical lateral ventricular enlargement in Parkinson’s disease, Eur J Neurol, 16, 475, 10.1111/j.1468-1331.2008.02430.x Curran, 1994, Parkinsonian syndromes associated with hydrocephalus: case reports, a review of the literature, and pathophysiological hypotheses, Mov Disord, 9, 508, 10.1002/mds.870090503 Huang, 2007, Asymmetrical ventricular enlargement in Parkinson’s disease, Mov Disord, 22, 1657, 10.1002/mds.21626 Ben-Haim, 2009, Risk factors for hemorrhage during microelectrode-guided deep brain stimulation and the introduction of an improved microelectrode design, Neurosurgery, 64, 754, 10.1227/01.NEU.0000339173.77240.34 Hutchison, 1998, Neurophysiological identification of the subthalamic nucleus in surgery for Parkinson’s disease, Ann Neurol, 44, 622, 10.1002/ana.410440407 Yushkevich, 2006, User-guided 3D active contour segmentation of anatomical structures: significantly improved efficiency and reliability, Neuroimage, 31, 1116, 10.1016/j.neuroimage.2006.01.015 Shattuck, 2002, BrainSuite: an automated cortical surface identification tool, Med Image Anal, 6, 129, 10.1016/S1361-8415(02)00054-3 Bigler, 2001, Brain volume, intracranial volume, and dementia, Invest Radiol, 36, 539, 10.1097/00004424-200109000-00006 Fahn, 1987, Unified Parkinson’s disease rating scale, 153 Hoehn, 1967, Parkinsonism: onset, progression and mortality, Neurology, 17, 427, 10.1212/WNL.17.5.427 Brown, 1999, Validity of the dementia rating scale in assessing cognitive function in Parkinson’s disease, J Geriatr Psychiatry Neurol, 12, 180, 10.1177/089198879901200403 Dudek, 1979, The continuing misinterpretation of the standard error of measurement, Psychol Bull, 86, 335, 10.1037/0033-2909.86.2.335 Faul, 2009, Statistical power analyses using G∗Power 3.1: tests for correlation and regression analyses, Behav Res Methods, 41, 1149, 10.3758/BRM.41.4.1149 Tisserand, 2000, The relation between global and limbic brain volumes on MRI and cognitive performance in healthy individuals across the age range, Neurobiol Aging, 21, 569, 10.1016/S0197-4580(00)00133-0 Gasser, 2005, Genetics of Parkinson’s disease, Curr Opin Neurol, 18, 363, 10.1097/01.wco.0000170951.08924.3d Rocchi, 2004, Comparison between subthalamic nucleus and globus pallidus internus stimulation for postural performance in Parkinson’s disease, Gait Posture, 19, 172, 10.1016/S0966-6362(03)00059-6 Lang, 2006, Deep brain stimulation: preoperative issues, Mov Disord, 21, S171, 10.1002/mds.20955