Abstract:
OBJECTIVE:HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) can progress slowly or rapidly even though a set of symptoms such as spastic paraparesis with pathological reflexes and sweating loss of the lower extremities are commonly observed in patients. Although most of the patients are thought to be infected to HTLV-1 from their mothers by breast feeding, symptoms of HAM/TSP typically manifest in patients later in life (50-60years old in age) and also with a higher prevalence of women to men at a ratio of approximately 3:1. Probability of developing HAM/TSP and how fast an individual's disease may progress from the time of diagnosis could be multifactorial. METHODS:We reviewed the records of 150 patients with HAM/TSP admitted to Kagoshima University Hospital between 2002 and 2014. Laboratory data of cerebrospinal fluid and serum and the clinical measurements including age, age of disease onset, progression rate, duration of illness, initial symptoms, Osame's Motor Disability Score were evaluated. Rapid disease progression of the disease was defined by deterioration of motor disability by >3 grades within 2years. RESULTS:Of 150 HAM/TSP patients in our cohort, 114 cases (76%) were females. Patients presenting with rapid disease progression are approximately 15years older at the age of onset than those with a protracted disease course, and have increased number of cell, and elevated levels of protein as well as anti-HTLV-1 antibody titer in the CSF, suggesting a more active inflammatory process. There is no significant difference in the average values of clinical and laboratory parameters between the sexes. Furthermore, there is no apparent correlation between rate of disease progression and gender. CONCLUSIONS:Our results suggest that age and virus mediated inflammation are correlated with disease phenotypes while additional factors such as host or HTLV-1 genetics and gender may influence disease susceptibility.
journal_name
J Neurol Scijournal_title
Journal of the neurological sciencesauthors
Matsuura E,Nozuma S,Tashiro Y,Kubota R,Izumo S,Takashima Hdoi
10.1016/j.jns.2016.10.030subject
Has Abstractpub_date
2016-12-15 00:00:00pages
112-116eissn
0022-510Xissn
1878-5883pii
S0022-510X(16)30671-2journal_volume
371pub_type
杂志文章abstract:BACKGROUND:Dystonia is a neurological disorder characterized by involuntary twisting movements and postures. The neck is among the most commonly affected regions, and diagnosis can be made readily through a simple clinical evaluation. The goal of this study was to explore how long it took patients to receive a diagnosi...
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journal_title:Journal of the neurological sciences
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journal_title:Journal of the neurological sciences
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journal_title:Journal of the neurological sciences
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journal_title:Journal of the neurological sciences
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journal_title:Journal of the neurological sciences
pub_type: 杂志文章,多中心研究
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journal_title:Journal of the neurological sciences
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journal_title:Journal of the neurological sciences
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journal_title:Journal of the neurological sciences
pub_type: 杂志文章
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