Thalamic Stimulation: Effects on Deafferentation Pain and Movement Disorders

Author(s):  
J. Siegfried ◽  
H. van Loveren
2004 ◽  
Vol 101 (4) ◽  
pp. 687-689 ◽  
Author(s):  
Naoki Tani ◽  
Youichi Saitoh ◽  
Masayuki Hirata ◽  
Amami Kato ◽  
Toshiki Yoshimine

✓ The relief of intractable pain after spinal cord injury (SCI) is very difficult to obtain, even with dorsal root entry zone lesioning, spinal cord stimulation, and thalamic stimulation. Using bilateral motor cortex stimulation (MCS) the authors successfully treated a woman who experienced deafferentation pain 4 years after sustaining an SCI. To the authors' knowledge, this is the first report of bilateral MCS for pain relief after SCI. The success they achieved using this method indicates that MCS could be a new treatment option for deafferentation pain following SCI.


1995 ◽  
Vol 82 (3) ◽  
pp. 501-505 ◽  
Author(s):  
Takashi Tsubokawa ◽  
Yoichi Katayama ◽  
Takamitsu Yamamoto

✓ Persistent hemiballismus after stroke is often difficult to treat. The ballistic movement is sometimes so violent that progressive exhaustion results. The authors report two such cases, which were successfully treated by chronic thalamic stimulation. The lesions responsible for the ballistic movement in these patients were located near the subthalamic nucleus and in the putamen, respectively. The thalamic nucleus ventrolateralis and nucleus ventralis intermedius were stimulated with 0.2 to 0.3 msec pulses at 50 to 150 Hz and 4 to 7 V continuously during the day. Several weeks later, complete control of the hemiballismus was achieved during stimulation. The improvement was clearly not attributable to spontaneous recovery, because ballistic movement reappeared after termination of the stimulation. The stimulation has remained effective for more than 16 months in both cases without any serious complications. Chronic thalamic stimulation appears to be useful for controlling persistent hemiballismus, as it is for other involuntary movement disorders.


Author(s):  
G. Broggi ◽  
A. Franzini ◽  
C. Giorgi ◽  
D. Servello ◽  
R. Spreafico

2000 ◽  
Vol 92 (4) ◽  
pp. 718-721 ◽  
Author(s):  
Todd P. Thompson ◽  
Douglas Kondziolka ◽  
A. Leland Albright

✓ Surgery for movement disorders is most commonly performed in patients with dyskinesia and tremor associated with Parkinson's disease or in those with essential tremor. The role of ablative surgery or deep brain stimulation in patients with choreiform movements is poorly defined.The authors placed thalamic stimulation systems in two children with disabling choreiform disorders due to intracerebral hemorrhage or cerebral palsy. Each patient displayed choreiform movements in the upper extremities both at rest and with intention, which interfered with daily activities and socialization. Both children obtained significant improvement in their choreiform movements, and their upper extremity function improved with no incidence of morbidity. Thalamic stimulation appears to be a promising and nonablative approach for children with choreiform movement disorders.


Author(s):  
Amy Lustig ◽  
Cesar Ruiz

The purpose of this article is to present a general overview of the features of drug-induced movement disorders (DIMDs) comprised by Parkinsonism and extrapyramidal symptoms. Speech-language pathologists (SLPs) who work with patients presenting with these issues must have a broad understanding of the underlying disease process. This article will provide a brief introduction to the neuropathophysiology of DIMDs, a discussion of the associated symptomatology, the pharmacology implicated in causing DIMDs, and the medical management approaches currently in use.


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