Subthalamic nucleus stimulation in Parkinson's disease: clinical evaluation of 18 patients.
Identifieur interne : 000246 ( Ncbi/Curation ); précédent : 000245; suivant : 000247Subthalamic nucleus stimulation in Parkinson's disease: clinical evaluation of 18 patients.
Auteurs : S. Thobois [France] ; P. Mertens ; M. Guenot ; M. Hermier ; H. Mollion ; M. Bouvard ; G. Chazot ; E. Broussolle ; M. SindouSource :
- Journal of neurology [ 0340-5354 ] ; 2002.
English descriptors
- KwdEn :
- Adult, Aged, Antiparkinson Agents (therapeutic use), Electric Stimulation Therapy (adverse effects), Electric Stimulation Therapy (instrumentation), Electric Stimulation Therapy (methods), Female, Humans, Male, Middle Aged, Parkinson Disease (physiopathology), Parkinson Disease (therapy), Postoperative Complications (pathology), Postoperative Complications (physiopathology), Postoperative Complications (therapy), Stereotaxic Techniques (adverse effects), Stereotaxic Techniques (instrumentation), Subthalamic Nucleus (physiopathology), Subthalamic Nucleus (surgery), Treatment Outcome.
- MESH :
- chemical , therapeutic use : Antiparkinson Agents.
- adverse effects : Electric Stimulation Therapy, Stereotaxic Techniques.
- instrumentation : Electric Stimulation Therapy, Stereotaxic Techniques.
- methods : Electric Stimulation Therapy.
- pathology : Postoperative Complications.
- physiopathology : Parkinson Disease, Postoperative Complications, Subthalamic Nucleus.
- surgery : Subthalamic Nucleus.
- therapy : Parkinson Disease, Postoperative Complications.
- Adult, Aged, Female, Humans, Male, Middle Aged, Treatment Outcome.
Abstract
The aim of the present study was to assess the efficacy and safety of chronic subthalamic nucleus deep-brain stimulation (STN-DBS) in patients with Parkinson's disease (PD). 18 consecutive severely affected PD patients were included (mean age, SD: 56.9+/-6 years; mean disease duration: 13.5+/-4.4 years). All the patients were evaluated clinically before and 6 months after the surgical procedure using the Unified Parkinson's Disease Rating Scale (UPDRS). Additionally, a 12 months follow-up was available in 14 patients. The target coordinates were determined by ventriculography under stereotactic conditions, followed by electrophysiology and intraoperative stimulation. After surgery, continuous monopolar stimulation was applied bilaterally in 17 patients at 2.9+/-0.4 V through 1 (n = 31) or 2 contacts (n = 3). One patient had bilateral bipolar stimulation. The mean frequency of stimulation was 140+/-16 Hz and pulse width 68+/-13 micros. Off medication, the UPDRS part III score (max = 108) was reduced by 55 % during on stimulation (score before surgery: 44.9+/-13.4 vs at 6 months: 20.2+/-10; p < 0.001). In the on medication state, no difference was noted between the preoperative and the postoperative off stimulation conditions (scores were respectively: 17.9+/-9.2 and 23+/-12.6). The severity of motor fluctuations and dyskinesias assessed by UPDRS IV was reduced by 76 % at 6 months (scores were respectively: 10.3+/-3 and 2.5+/-3; p < 0.001). Off medication, the UPDRS II or ADL score was reduced by 52.8 % during on stimulation (26.9+/-6.5 preop versus 12.7+/-7 at 6 months). The daily dose of antiparkinsonian treatment was diminished by 65.5 % (levodopa equivalent dose -- mg/D -- was 1045 +/- 435 before surgery and 360 +/- 377 at 6 months; p < 0.01). These results remained stable at 12 months for the 14 patients studied. Side effects comprised lower limb phlebitis (n = 2), pulmonary embolism (n = 1), depression (n = 6), dysarthria and freezing (n = 1), sialorrhea and drooling (n = 1), postural imbalance (n = 1), transient paresthesias and dyskinesias. This study confirms the great value of subthalamic nucleus stimulation in the treatment of intractable PD. Some adverse events such as depression may be taken into account in the inclusion criteria and also in the post-operative outcome.
DOI: 10.1007/s004150200059
PubMed: 12021940
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pubmed:12021940Le document en format XML
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<front><div type="abstract" xml:lang="en">The aim of the present study was to assess the efficacy and safety of chronic subthalamic nucleus deep-brain stimulation (STN-DBS) in patients with Parkinson's disease (PD). 18 consecutive severely affected PD patients were included (mean age, SD: 56.9+/-6 years; mean disease duration: 13.5+/-4.4 years). All the patients were evaluated clinically before and 6 months after the surgical procedure using the Unified Parkinson's Disease Rating Scale (UPDRS). Additionally, a 12 months follow-up was available in 14 patients. The target coordinates were determined by ventriculography under stereotactic conditions, followed by electrophysiology and intraoperative stimulation. After surgery, continuous monopolar stimulation was applied bilaterally in 17 patients at 2.9+/-0.4 V through 1 (n = 31) or 2 contacts (n = 3). One patient had bilateral bipolar stimulation. The mean frequency of stimulation was 140+/-16 Hz and pulse width 68+/-13 micros. Off medication, the UPDRS part III score (max = 108) was reduced by 55 % during on stimulation (score before surgery: 44.9+/-13.4 vs at 6 months: 20.2+/-10; p < 0.001). In the on medication state, no difference was noted between the preoperative and the postoperative off stimulation conditions (scores were respectively: 17.9+/-9.2 and 23+/-12.6). The severity of motor fluctuations and dyskinesias assessed by UPDRS IV was reduced by 76 % at 6 months (scores were respectively: 10.3+/-3 and 2.5+/-3; p < 0.001). Off medication, the UPDRS II or ADL score was reduced by 52.8 % during on stimulation (26.9+/-6.5 preop versus 12.7+/-7 at 6 months). The daily dose of antiparkinsonian treatment was diminished by 65.5 % (levodopa equivalent dose -- mg/D -- was 1045 +/- 435 before surgery and 360 +/- 377 at 6 months; p < 0.01). These results remained stable at 12 months for the 14 patients studied. Side effects comprised lower limb phlebitis (n = 2), pulmonary embolism (n = 1), depression (n = 6), dysarthria and freezing (n = 1), sialorrhea and drooling (n = 1), postural imbalance (n = 1), transient paresthesias and dyskinesias. This study confirms the great value of subthalamic nucleus stimulation in the treatment of intractable PD. Some adverse events such as depression may be taken into account in the inclusion criteria and also in the post-operative outcome.</div>
</front>
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