糖尿病非酮症偏侧舞蹈症1例及文献复习
Hemichorea Associated with Non-Ketotic Hyperglycemia: 1 Case Report and a Review of the Literature
DOI: 10.12677/ACM.2022.12121637, PDF, HTML, XML, 下载: 174  浏览: 296  科研立项经费支持
作者: 张婵娟, 高明康, 温丽民, 史亚茹:济宁医学院临床医学院,山东 济宁;褚 旭*:济宁医学院附属医院神经内科,山东 济宁
关键词: 糖尿病非酮症舞蹈症Diabetes Mellitus Non-Ketotic Chorea
摘要: 目的:通过探讨非酮症高血糖性偏侧舞蹈症患者的临床表现、诊断和治疗、发病机制,提高对本病的认识,做到早期识别、早期治疗,避免误诊、漏诊。方法:分析1例济宁医学院附属医院的糖尿病非酮症偏侧舞蹈症患者的临床症状、体征、影像学资料、治疗方法,并复习相关文献。结果:本例糖尿病非酮症偏侧舞蹈症患者,舞蹈样动作较明显,既往患者血糖控制不规律。患者入院随机血糖:14 mmol/L,糖化血红蛋白:11%,血酮体:3.6 mg/dl;颅脑CT示左侧基底节区高密度影;颅脑MRI T1WI可见左侧基底节区高信号。入院后经积极控制血糖水平,1周后舞蹈样症状完全消失。结论:对于糖尿病非酮症偏身舞蹈症的患者做到早期识别、早期干预,积极控制血糖水平,科学合理地加用抗精神病药物,控制患者舞蹈样动作,其预后良好,并提高了患者的生活质量。
Abstract: Objective: To improve the understanding of this disease by discussing the clinical manifestations, diagnosis, treatment and pathogenesis of patients with non-ketotic hyperglycemic hemichorea, to achieve early recognition and early treatment, and to avoid misdiagnosis and missed diagnosis. Methods: The clinical symptoms, signs, imaging data and treatment of a patient with non-ketotic hyperglycemic hemichorea from the Affiliated Hospital of Jining Medical College were analyzed, and the relevant literature was reviewed. Results: This case of hemichorea associated with non-ketotic hyperglycemia had more pronounced dance-like movements and irregular glycemic control in previous patients. The patient was admitted with random blood glucose: 14 mmol/L, glycosylated hemoglobin: 11%, blood ketone bodies: 3.6 mg/dl; cranial CT showed high-density shadow in the left basal ganglia region; cranial MRI T1WI showed high signal in the left basal ganglia region. After admission, the chorea-like symptoms completely disappeared after 1 week after active control of blood glucose level. Conclusion: For patients with non-ketotic hyperglycemic hemichorea to achieve early identification, early intervention, active control of blood glucose level, scientific and reasonable addition of antipsychotic drugs to control the patient’s chorea-like movements, their prognosis is good and the quality of life of patients is improved.
文章引用:张婵娟, 高明康, 温丽民, 史亚茹, 褚旭. 糖尿病非酮症偏侧舞蹈症1例及文献复习[J]. 临床医学进展, 2022, 12(12): 11357-11361. https://doi.org/10.12677/ACM.2022.12121637

1. 引言

糖尿病是一种以高血糖为特征的代谢性疾病,若患者的血糖水平长期控制欠佳,会进一步造成眼底、肾脏、心脏、血管、神经等组织的慢性损害、功能障碍,而中国作为全世界糖尿病患者数量最多的国家,由其所导致的人体各系统并发症问题也日趋严峻。非酮症高血糖(Non-Ketotic Hyperglycemia, NKH)可产生各种神经系统症状,包括精神改变、癫痫发作和不自主运动,如舞蹈和颤抖 [1] ,舞蹈症(chorea)是一种不规则、不协调、不自主的运动障碍,主要累及单侧肢体(偶可为双侧肢体同时受累),脑血管功能不全、神经退行性疾病、肿瘤性疾病、免疫性疾病、感染性疾病和代谢性疾病是这种罕见疾病的继发性原因 [2] 。糖尿病非酮症偏侧舞蹈症多见于长期血糖控制不良的老年患者,主要的临床表现为急性起病的偏身舞蹈样症状,其辅助检查的特点是非酮症性的高血糖,影像学特征性表现为舞蹈动作肢体对侧的基底节区CT高密度影或MRIT1加权像上高信号灶 [3] 。糖尿病与中枢神经系统晚期并发症的风险增加有关 [4] ,虽然高血糖是舞蹈症最常见的代谢原因,但其致病机制现仍不非常明确。本文通过对我院1例糖尿病非酮症偏侧舞蹈症进行研究分析,并结合复习国内外文献以提高对该病的认识。

2. 病例资料

患者,女性,81岁。因“右侧肢体不自主活动4 h”于2020年10月30日收住济宁医学院附属医院。患者4小时前无明显诱因出现右侧肢体不自主活动,站立时行走不稳,偶有头晕,无头痛、言语不清、饮水呛咳等。既往“2型糖尿病”病史20年,未系统监测及诊治,“高血压病”病史10年,未系统诊治,“冠心病、房颤”病史5年,患者入院前均未规律口服相关治疗药物。入院查体:T 36.5℃,P 105次/min,R 16次/min,BP 100/59 mmHg,神志清楚,精神欠佳,言语流利,双侧瞳孔等大等圆,直径约3 mm,对光反射敏感,眼球活动自如,无眼震。颈软,双侧鼻唇沟对称,伸舌居中,四肢肌力5级,肌张力正常,右上肢舞蹈样动作。双侧巴氏征未引出,克氏征、布氏征均为阴性,感觉、共济无异常。实验室检查:血糖14 mmol/L,糖化血红蛋白11%,血酮体3.6 mg/dl,氯96 mmol/L,碳酸氢盐30.8 mmol/L,B型钠尿肽339 pg/ml,同型半胱氨酸26.3 umol/L,余血细胞分析、肝功、肾功、血脂、心肌酶谱、电解质、凝血常规、D-二聚体、甲功三项等化验结果未见明显异常。神经影像学检查(见图1):颅脑CT示左侧基底节区高密度影(见图1(a));颅脑MRT1加权像示左侧基底节区高信号灶(见图1(d)、图1(e)),MR DWI、Flair像、T2加权像等均未见明显异常(见图1(b)、图1(c)、图1(f))。患者晚间入院后临时给予胰岛素注射一次,次日监测患者血糖6次:10.4、17.6、19.4、17.5、20.1、19.9,给予格列齐特缓释片、阿卡波糖片控制患者血糖水平,并加强血糖监测,经系统治疗后,患者血糖控制在6.1~11.7 mmol/L之间,5天后患者右侧肢体不自主运动症状明显减轻,1周后舞蹈样动作完全消失。经治疗好转后出院。出院3个月后电话随访,患者血糖控制可,右侧肢体不自主活动未再出现。

Figure 1. Neuroimaging tests: (a) cranial CT scan; (b) cranial magnetic resonance DWI; (c) cranial magnetic resonance T2 Flair; (d), (e) cranial magnetic resonance T1; (f) cranial magnetic resonance T2

图1. 神经影像学检查:(a) 颅脑CT;(b) 颅脑MRDWI;(c) 颅脑MR T2 Flair;(d)、(e) 颅脑MRT1;(f) 颅脑MRT2

3. 讨论

糖尿病非酮症偏侧舞蹈症(hemichorea associated with nonketotichyperglycemia, HCNH)平均发病年龄为71岁 [5] ,主要见于患有2型糖尿病的亚洲老年妇女 [6] ,但也有相当数量的男性,虽然患者的糖尿病病程各不相同,但都处于严重的高血糖状态,大多数患者的HbA1c水平超过10% [7] 。

作为主要假说的代谢紊乱理论认为,在高血糖这一危险因素的影响下,三羧酸(Krebs)循环变得失活,导致大脑转向无氧代谢 [8] ,大脑将GABA (γ-氨基丁酸)代谢成琥珀酸,从而提供了另外一种能量来源。然而,这种GABA分流只满足基底神经节所需能量的10%~40%左右,进而导致代谢性酸中毒的发生。与可以重新合成GABA的酮症高血糖不同,非酮症高血糖时GABA和醋酸盐会迅速被耗竭,而醋酸盐的耗竭又会减少乙酰胆碱的合成。因此,基底节内GABA和乙酰胆碱的水平降低,再加上代谢性酸中毒和能量产生不足,可能会导致基底节功能障碍以及偏侧舞蹈症的发生 [9] 。此外,多巴胺受体上调、雌激素相关的 [10] 多巴胺能超敏反应以及血脑屏障的破坏也被认为与发病有关。然而,还没有一种单一的机制可以解释所有的症状特征 [11] 。

影像学检查对其早期诊断非常重要,典型的影像学表现是CT上基底节单侧高密度区或MRIT1加权像上信号增强 [12] ,DWI弥散受限,这也与本病例影像学表现相一致。相关研究显示,基本上所有病例均累及壳核,多数病例累及尾状核头部,少数病例累及苍白球 [13] ,但为什么是基底节,特别是壳核易受影响,目前具体机制还不清楚 [14] 。并且MR检查较CT检查对病灶的发现具有更强的敏感性和准确性 [15] ,部分患者CT检查可无明显异常表现,要注意对此类患者漏诊的可能性。

据报道,NKH舞蹈病的预后良好,罕见例外 [8] ,治疗的主要手段是积极控制血糖,同时根据患者所出现的临床症状进行针对性的治疗,例如对于舞蹈动作明显的患者,科学合理地加用氟哌啶醇、丁苯那嗪、苯二氮卓类等抗精神病药物在控制舞蹈动作方面很有疗效 [14] [15] 。

非酮症性高血糖是偏侧舞蹈症的罕见原因之一 [16] ,虽然偏侧舞蹈症少见,但也可以作为糖尿病的首发症状出现 [17] [18] ,在临床工作中,对于不明原因突发肢体舞蹈样动作为主要临床表现就诊的患者,要考虑合并该疾病的可能。在纠正此类患者的高血糖状态之后,通常会使其舞蹈样症状和体征完全消失 [19] ,并且早期治疗可使患者的神经影像学异常表现部分甚至是完全消退 [4] [11] ,因此对糖尿病非酮症偏侧舞蹈症患者做到早期识别、早期干预是非常必要的。

基金项目

栀子苷治疗难治性癫痫的实验研究(山东省中医药管理局基金,2021M157);经典补体途径C1q-C3在REM睡眠剥夺所致认知障碍的作用(济宁市重点研发计划项目,2022YXNS046)。

NOTES

*通讯作者。

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