Optimizing Prelemniscal Radiations as a Target for Motor Symptoms in Parkinson's Disease Treatment

被引:20
|
作者
Castro, Guillermo [1 ]
Carrillo-Ruiz, Jose D. [1 ]
Salcido, Victor [1 ]
Soto, Julian [1 ]
Garcia-Gomar, Guadalupe [1 ]
Luisa Velasco, Ana [1 ]
Velasco, Francisco [1 ]
机构
[1] Hosp Gen Mexico City, Unit Stereotact & Funct Neurosurg, Mexico City, DF, Mexico
关键词
Parkinson's disease; Electrical stimulation; Prelemniscal radiations; Microelectrode recording; POSTERIOR SUBTHALAMIC AREA; DEEP BRAIN-STIMULATION; CAUDAL ZONA INCERTA; ELECTRICAL-STIMULATION; FOLLOW-UP; TREMOR; NUCLEUS;
D O I
10.1159/000433446
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Objective: To better define prelemniscal radiations (Raprl) as a target for the control of tremor and rigidity in Parkinson's disease (PD). Methods: A total of 36 deep brain stimulation (DBS) electrodes were stereotactically implanted in Raprl contralateral to the extremities to be treated. Effects on symptoms were evaluated using UPDRS-III before and after DBS, and significance was determined using the Wilcoxon test. The location of DBS contacts in cases with optimum versus suboptimum results was evaluated using Student's t test and percentage improvement correlated through a bivariable Pearson test. The power and percentage of spike components for microelectrode recordings were statistically compared between the target point and structures located above and below. Results: Raprl-DBS improved tremor and rigidity (p < 0.01). The potency of microelectrode recordings indicated that the target was formed by fibers. There was no correlation between demographic characteristics and clinical outcome, and there were no significant differences in stereotactic placement between cases with optimum and sub-optimum results. Tremor and rigidity were selectively improved in cases with suboptimum results. Conclusion: Raprl-DBS is an effective treatment for the motor symptoms of PD. Selective improvement of symptoms suggests that the target has different fiber components related to either tremor or rigidity, and variations in improvement between cases may derive from individual variations of the location of these fibers. (C) 2015 S. Karger AG, Basel
引用
收藏
页码:282 / 291
页数:10
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