نتایج جستجو برای: tremor
تعداد نتایج: 12722 فیلتر نتایج به سال:
A 64-year-old female patient with spinocerebellar ataxia type 6 was referred to our department for pancreatic cancer and anesthetized with volatile anesthesia combined with epidural anesthesia for pancreaticoduodenectomy. No complications arose during surgery. On postoperative day 4, a head tremor was noticed at the time of mobilization. The tremor was a postural and “no-no” tremor rather than ...
OBJECTIVE To study tremor in patients with X-linked recessive spinobulbar muscular atrophy or Kennedy's disease. METHODS Ten patients (from 7 families) with a genetic diagnosis of Kennedy's disease were screened for the presence of tremor using a standardized clinical protocol and followed up at a neurology outpatient clinic. All index patients were genotyped and showed an expanded allele in ...
Tremor is an involuntary, approximately rhythmic, oscillatory movement produced when muscles repeatedly contract or relax. It has relatively fixed frequency and amplitude. To overcome the occurrence of tremor which is the root cause for human imprecision during surgical procedure particularly in case of microsurgery, a system is required to measure the hand tremor at the surgeon handle and to r...
BACKGROUND AND METHODS In order to obtain further information on the pathophysiology of functional tremor, we assessed tactile discrimination threshold and proprioceptive temporal discrimination motor threshold values in 11 patients with functional tremor, 11 age- and sex-matched patients with essential tremor and 13 healthy controls. RESULTS Tactile discrimination threshold in both the right...
OBJECTIVES To evaluate the efficacy of deep brain stimulation (DBS) in the treatment of tremor resulting from acquired brain injury (ABI). METHODS A series of eight consecutive patients with post-ABI tremor were treated with DBS of the ventro-oralis posterior (VOP)/zona incerta (ZI) region, and subsequently underwent blinded assessments using Bain's tremor severity scale. RESULTS VOP/ZI DBS...
BACKGROUND Postural tremor can sometimes occur in spinocerebellar ataxias (SCAs). However, the prevalence and clinical characteristics of postural tremor in SCAs are poorly understood, and whether SCA patients with postural tremor have different ataxia progression is not known. METHODS We studied postural tremor in 315 patients with SCA1, 2, 3, and 6 recruited from the Clinical Research Conso...
Cortical oscillatory signals of single and double tremor frequencies act together to cause tremor in the peripheral limbs of patients with Parkinson's disease (PD). But the corticospinal pathway that transmits the tremor signals has not been clarified, and how alternating bursts of antagonistic muscle activations are generated from the cortical oscillatory signals is not well understood. This p...
There is a debate in the literature about whether the low- and high-frequency peaks of physiological finger tremor are caused by resonance or central drive. One way to address this issue is to examine the consequences of eliminating, as far as possible, the resonant properties or the voluntary drive. To study the effect of minimizing resonance, finger tremor was recorded under isometric conditi...
BACKGROUND Focal treatment of Parkinson's disease tremor by botulinum toxin type A incobotulinumtoxinA (BoNT-A) injections has been inadequately investigated and at best provides modest relief with significant muscle weakness. Complexity of multi-joint tremulous movements results in non-individualized dosing regimens. This 38-week open-label study used kinematic technology to guide muscle selec...
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