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The Evaluation of Pain with Nociceptive and Neuropathic Characteristics from Three Different Perspectives in Amyotrophic Lateral Sclerosis Patients: A Case Controlled Observational Study in Southwestern China
Neural Plasticity ( IF 3.1 ) Pub Date : 2021-07-31 , DOI: 10.1155/2021/5537892 Ran An 1, 2 , Yan Li 3 , Xianghua He 4 , Cheng Li 1, 2 , Xin Li 4 , Yanming Xu 4 , Chengqi He 1, 2
Neural Plasticity ( IF 3.1 ) Pub Date : 2021-07-31 , DOI: 10.1155/2021/5537892 Ran An 1, 2 , Yan Li 3 , Xianghua He 4 , Cheng Li 1, 2 , Xin Li 4 , Yanming Xu 4 , Chengqi He 1, 2
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Background. Pain was considered a common and neglected symptom in amyotrophic lateral sclerosis (ALS) and had a substantial impact on the quality of life of ALS patients and their caregivers. However, pain in ALS was mainly evaluated from the perspective of nociceptive pain; only three studies referred to neuropathic pain in ALS, and there has been yet no study considering the neuropathic pain characteristics in ALS patients from China. Therefore, the purpose of our study was to determine characteristics of pain (nociceptive pain and neuropathic pain) by three different types of questionnaires. The correlation between pain and clinical parameters in ALS patients was also evaluated. Methods. Patients were eligible if they fulfilled the criteria of probable and definitive ALS according to the revised El Escorial criteria. Healthy normal controls, matched to ALS patients by age and gender, were recruited. Pain was evaluated by numerical pain rating scale (NRS), Brief Pain Inventory (BPI), and Douleur Neuropathique-4 (DN4) in ALS patients and controls. Physical status of ALS patients was evaluated with ALS Functional Rating Scale-revised (ALSFRS-R). Results. 65 patients with sporadic ALS and 100 healthy normal controls in Southwestern China were included. Pain in the preceding week was more frequently reported by patients with ALS (30, 46.2%) than controls (36, 36%) (). DN4 was found in three ALS patients and one control (). Ten ALS patients (33.3%) and twenty-eight controls (77.8%) () received therapy for pain. ALS patients with a DN4 had a longer disease duration and a higher PSI and PII score than ALS cases reporting nociceptive pain (, 0.048, and 0.027, respectively). Pain mainly interfered with ALS patients’ mood, enjoyment of life, and the Pain Interference Index (PII) score. Conclusions. Our findings indicated that pain in our ALS cohorts was insufficiently treated and interfered with patients’ mood and enjoyment of life. Most notably, we found that ALS patients with a DN4 may have a longer disease duration and a higher PSI and PII score than ALS patients reporting nociceptive pain, which has never been reported, strongly deserving further validation.
更新日期：2021-08-01
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