期刊
NEUROLOGICAL SCIENCES
卷 43, 期 3, 页码 1817-1822出版社
SPRINGER-VERLAG ITALIA SRL
DOI: 10.1007/s10072-021-05556-w
关键词
Amyotrophic lateral sclerosis; Bulbar onset; Spreading pattern; Time of symptoms beyond the bulbar region; Survival
In bulbar onset ALS patients, cervical region is the second most common second involved region (SIR). Time of symptoms beyond the bulbar region (TBBR) is an independent prognostic factor.
Background Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease. Spreading pattern and time interval of spreading are getting more and more attention. The aim of present study was to investigate spreading pattern in bulbar onset ALS patients and to explore the relationship between time interval of spreading and survival. Methods ALS patients with bulbar onset diagnosed at Chinese PLA General Hospital from January 2015 to December 2018 were recruited. Clinical features including gender, onset age, diagnostic delay, the second involved region (SIR), time of symptoms beyond the bulbar region, forced vital capacity (FVC), ALSFRS-R score, electromyography results, and survival time were retrospectively collected. Results A total of 96 bulbar onset ALS patients were collected. Overall patients showed female predominance. Median age at onset was 56 years. Median diagnostic delay was 8.5 months. Median time of symptoms beyond the bulbar region (TBBR) was 7 months. Median ALSFRS-R score at baseline was 40. Fifty-six (58.3%) patients' SIR were upper limb, 6 (6.3%) patients' SIR were lower limb, 3 (3.1%) patients' SIR were upper and lower limbs, and 5 (5.2%) patients' SIR were thoracic region. Twenty-six (27.1%) patients did not report SIR. The median survival time of patients with TBBR >= 7 months was significantly longer than that with TBBR < 7 month. Multivariate Cox regression showed that onset age and TBBR were prognostic factors. Conclusions In bulbar onset ALS patients, cervical region is the second most common SIR. TBBR is an independent prognostic factor.
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