A retrospective study of the clinical phenotype and predictors of survival in non-Caucasian Hispanic patients with amyotrophic lateral sclerosis

被引:5
|
作者
Marisol Sanchez-Martinez, Claudia [1 ]
Alberto Choreno-Parra, Jose [2 ,3 ]
Nunez-Orozco, Lilia [1 ]
Placencia-Alvarez, Noel [1 ]
Marcela Alvis-Castano, Laura [1 ]
Guadarrama-Ortiz, Parmenides [4 ]
机构
[1] Ctr Med Nacl 20 Noviembre, Dept Neurol, ISSSTE, Felix Cuevas 540, Mexico City 03100, DF, Mexico
[2] CENNM, Dept Res, Mexico City, DF, Mexico
[3] Inst Politecn Nacl, Escuela Nacl Ciencias Biol, Mexico City, DF, Mexico
[4] CENNM, Dept Neurosurg, Mexico City 06760, DF, Mexico
关键词
Amyotrophic lateral sclerosis; Motor neuron disease; Spinal-onset ALS; Bulbar-onset ALS; Prognostic factors; ALS; EPIDEMIOLOGY; DISEASE; DIAGNOSIS; PROGNOSIS; CRITERIA;
D O I
10.1186/s12883-019-1459-3
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Background: Little is known about the clinical phenotype of amyotrophic lateral sclerosis (ALS) in non-Caucasian populations. Here, we aimed to describe the clinical characteristics, prognostic factors and survival of Mexican patients with ALS. Methods: We conducted a retrospective study by reviewing the medical records of patients with ALS that attended and were regularly followed at a third level hospital in Mexico City from 2000 to 2015. We calculated absolute and relative frequencies of the clinical characteristics from all the participants. We also estimated correlation coefficients between clinical features and overall survival. Additionally, survival rates were compared for all participants grouped according to different clinical features using the Kaplan-Meier method and the log-rank test. Results: We enrolled 45 ALS patients, 53.33% had spinal-onset ALS and 46.66% presented bulbar ALS. The male/female ratio was 0.8. The mean age at onset of symptoms was 58.11 years. Mean survival time from onset was 64.73 +/- 34.83 months. Cumulative survival rate after 5 years of disease onset was 44.44%. Age at onset and age at diagnosis inversely correlated with overall survival time. Also, we found that bulbar-onset, short diagnostic delay, percutaneous endoscopic gastrostomy, mechanical ventilation, and lower total cholesterol serum levels were associated with short survival. Conclusions: The clinical characteristics of Mexican ALS patients differ from the disease phenotype observed in Caucasians. Nonetheless, the predictive value of certain well-recognized prognostic factors remains consistent in our population. The current study provides relevant information for a better understanding of prognostic factors in ALS patients from Mexico and other Latin American countries.
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页数:10
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