Effects of DBS in parkinsonian patients depend on the structural integrity of frontal cortex

被引：51
作者：
Muthuraman, Muthuraman [1 ]
Deuschl, Guenther [2 ]
Koirala, Nabin [1 ]
Riedel, Christian [3 ]
Volkmann, Jens [4 ]
Groppa, Sergiu [1 ]
机构：
[1] Johannes Gutenberg Univ Mainz, Univ Med Ctr, Dept Neurol, Mainz, Germany
[2] Univ Kiel, Dept Neurol, Kiel, Germany
[3] Univ Kiel, Dept Neuroradiol, Kiel, Germany
[4] Julius Maximilians Univ, Dept Neurol, Wurzburg, Germany
来源：
SCIENTIFIC REPORTS | 2017年 / 7卷
关键词：
DEEP BRAIN-STIMULATION; SUBTHALAMIC NEUROSTIMULATION; CEREBRAL-CORTEX; DISEASE; THICKNESS; ATROPHY;
D O I：
10.1038/srep43571
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
While deep brain stimulation of the subthalamic nucleus (STN-DBS) has evolved to an evidencebased standard treatment for Parkinson's disease (PD), the targeted cerebral networks are poorly described and no objective predictors for the postoperative clinical response exist. To elucidate the systemic mechanisms of DBS, we analysed cerebral grey matter properties using cortical thickness measurements and addressed the dependence of structural integrity on clinical outcome. Thirty one patients with idiopathic PD without dementia (23 males, age: 63.4 +/- 9.3, Hoehn and Yahr: 3.5 +/- 0.8) were selected for DBS treatment. The patients underwent whole-brain preoperative T1 MR-Imaging at 3 T. Grey matter integrity was assessed by cortical thickness measurements with FreeSurfer. The clinical motor outcome markedly improved after STN-DBS in comparison to the preoperative condition. The cortical thickness of the frontal lobe (paracentral area and superior frontal region) predicted the clinical improvement after STN-DBS. Moreover, in patients with cortical atrophy of these areas a higher stimulation voltage was needed for an optimal clinical response. Our data suggest that the effects of STN-DBS in PD directly depend on frontal lobe grey matter integrity. Cortical atrophy of this region might represent a distinct predictor of a poor motor outcome after STN-DBS in PD patients.
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页数：6
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