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find Keyword "婴儿痉挛" 14 results
  • 婴儿痉挛症动物模型研究进展及其评价

    婴儿痉挛症(Infantile spasm,IS)是一种婴幼儿期难治性癫痫性脑病,临床表现是点头抱团样痉挛发作,脑电图(EEG)呈发作间期高度失律以及精神运动发育落后。大多数患儿促肾上腺皮质激素(Adrenocorticotropic Hormone,ACTH)和氨己烯酸(Vigabatrin,VGB)治疗有效,对普通抗癫痫药物效果不佳。婴儿痉挛症的病因有 200 多种,但至今发病机制不明。本文总结了 7 个有关婴儿痉挛症典型的动物模型。ARX 基因突变小鼠模型对雌二醇治疗有效,且提出了中间神经元致病学说。唐氏综合症小鼠模型由氨基丁酸 B 受体(GABABR)激动剂诱发痉挛,对托肽品 Q 治疗有效。N-甲基-D-天冬氨酸(NMDA)可以诱导大、小鼠痉挛发作,在产前给予倍他米松或是产前游泳模拟产前压力解释了 ACTH 治疗有效性的原理。多重打击大鼠模型模拟大脑皮层受损导致的癫痫,做出了耐药模型。河豚毒大鼠模型是唯一有 EEG 发作间期高度失律的模型,并且和“发作不同步学说”相一致。本文回顾学习 7 个婴儿痉挛症不同动物模型的特点和局限性,探讨婴儿痉挛症的发病机制,以及部分模型的新药研究。

    Release date:2019-03-21 11:04 Export PDF Favorites Scan
  • COL4A1基因变异致伴或不伴眼部异常的脑小血管病1型一例

    Release date:2023-09-07 11:00 Export PDF Favorites Scan
  • The effect of the mode of continuous guidance with wechat group on the ketogenic diet retention rate in children with infantile spasms

    ObjectiveTo explore the impact on the retention and effective rate of the mode of continuous guidance with wechat group in children with infantile spasms (IS) treated by ketogenic diet (KD).MethodsThe clinical data of 40 children who received KD treatment in Jiangxi Children’s Hospital from January 2017 to June 2019 were retrospectively analyzed, including 23 males and 17 females, the average age was (19.90±13.10) months and the average course was (9.95±7.61) months. They were randomly divided into control group (20 cases) and observation group (wechat group continuity Guidance Group, 20 cases), and followed up one year to compare the retention rate and efficacy.ResultsThere was no statistical difference between the general data of the observation group and the control group (P>0.05). After 9 and 12 months of KD treatment, the retention and effective rate of the observation group was significantly higher than the control group (P<0.05). And the seizure-free rate was higher than the control group (35% vs. 10%, 35% vs. 15%).ConclusionThis model of continuous guidance with wechat group can increase the KD retention rate of IS children, And increase the effective rate.

    Release date:2021-04-25 09:50 Export PDF Favorites Scan
  • The advantage of diffusion weighted imagin technique in the toxicity detection of vigabatrin

    ObjectiveTo explore the differences in the detection of vigabatrin-associated brain abnormalities on MRI by different MRI sequences, so as to further guide the clinical understanding of VABAM and improve the appropriate imaging sequences. MethodsA total of 353 patients with infantile spasm or epileptic spasm who were admitted to the Epilepsy Center of Yuquan Hospital of Tsinghua University from January 2020 to January 2023 were retrospectively included. MRI was performed in 131 cases, including 3D T1, T2, T1- fluid-attenuated inversion recovery sequence (FLAIR) images, DWI and ADC sequences, of which 65 cases taking VGB. We aim to evaluate the detection of vigabatrin-associated brain abnormalities on MRI by different MRI sequences in these children. Results Among the 65 patients, VABAM was detected in 23 cases, the detection rate was 35.4%. The average dosage of vigabatrin was 100.73±35.54 mg/(kg·d). The positive detection rates of VABAM were 95.7% in DWI sequence, 26.1% in ADC sequence, 21.3% in FLAIR sequence, 4.3% in T2 sequence and 0 in T1 sequence. The detection rate of ADC sequence was significantly different from DWI sequence and T1 sequence, but not from T2 sequence and FLAIR group. ConclusionDWI sequence has irreplaceable advantages in the detection rate of VABAM. Therefore, for patients with infantile spasm and epileptic spasm who take vigabatrin, we should try our best to add DWI sequence scanning to improve the positive detection rate and avoid clinical symptoms, so as to avoid further brain damage.

    Release date:2024-01-02 04:10 Export PDF Favorites Scan
  • Protocol optimization for treatment of infantile spasms with high dose prednisone

    ObjectiveTo optimize the therapy protocols of high dose prednisone combined with topiramate (TPM) in children with infantile spasms (IS). MethodsSixty cases were collected in our hospital from September 2012 to September 2013 and randomly divided into two groups(n=30) and followed-up for more than 6 months.The spasms were assesses by video-electroencephalogram (VEEG) monitoring including awake and asleep states before treatment, after two weeks of therapy and the end of the courses respectively.And the Gessel developmental quotient (DQ) scores were performed before treatment and after six months of therapy. ResultsFor the unresponders to high dose prednisone in one week of therapy, there were 46.67%and 60.00% in test group higher than 31.25% and 37.50% in control group respectively in 2 week and in the end of treatment.And the rate of complete resolution of hypsarrhythmia in the test group was 46.67% and 60.00% higher than 25.00% and 37.50% in control group respectively in 2 week and in the end of treatment.But there were no statistical significances between two groups(P >0.05).The incidence of side effects(83.33% vs. 80.00%) and the relapse rate(39.14% vs. 40.00%), were not statistically significant between two groups(P >0.05).The responsive rates for the cases with the lead time within 2 months higher than beyond 2 months in two groups respectively in 2 weeks and in the end of treatment. ConclusionsThe protocol of the test group was superior to that of the control group.The responsive rates of children within 2 months of lead time were higher than beyond 2 months, which indicates that early diagnosis and early treatment would improve efficacy and have an important influence on the prognosis of IS.

    Release date:2017-05-24 05:46 Export PDF Favorites Scan
  • 婴儿痉挛的治疗进展

    婴儿痉挛是婴幼儿时期发生的一种难治性癫痫综合征,可表现为点头、环抱样发作,多以成串发作,少数可孤立性发作,发作表现有时轻微,常常被家长忽略而导致延误治疗,也是唯一一种发作症状轻微,但会导致严重不良后果的癫痫综合征。其病因种类繁多,虽然目前的研究已达基因水平,但仍有一些病例无法明确病因。其发病机制仍未完全阐明,有多种学说。对其治疗尝试了多种方法,虽然在某些病因为基础时得到了较好的成果,但多数婴儿痉挛仍是治疗的难题,预后较差,本文主要介绍婴儿痉挛的治疗进展,以供临床参考。

    Release date:2019-01-19 08:54 Export PDF Favorites Scan
  • A long-term follow-up prognostic analysis of infantile spasm

    ObjectiveTo understand the prognosis of infantile spasm through long-term follow-up. MethodsChildren with infantile spasm diagnosed and treated in Children’s Hospital from January 2010 to December 2015 were retrospectively analyzed. Clinical data were collected and telephone follow-up was conducted. ResultsA total of 169 cases were collected, and only 59 cases were successfully followed up, of which 13 patients were allowed to attend school. 38 patients were not allowed to go to school, 8 patients were dead. In the group that did not go to school, 17 of them could not walk, accounting for 44.74% of the non-school attendance group, 27 of them could not run, accounting for 71.05% of the non-school attendance group. There are 33 caese who could only depend on family care instead of themselves, accounting for 86.84% of the non-school group.There were 36 children who could not speak simple sentences, accounting for about 94.74%. In addition, in terms of seizures, there were 15 patients seizure-free for more than 5 years, accounting for 29.41% of the survival group. ConclusionThe long-term prognosis of infantile spasm was poor, the mortality rate was 13.56%, the school attendance rate was 25.5% in the survival group, and the self-care ability of the non-school attendance group was poor. The normal development at the onset of the disease and the early control of epilepsy without seizures are the important prognostic factors of the disease.

    Release date:2022-10-31 09:25 Export PDF Favorites Scan
  • 维生素B6反应性癫痫

    维生素B6(VitaminB6, VB6) 相关性癫痫或发作主要包括VB6缺乏性惊厥、VB6依赖性癫痫和VB6反应性癫痫,前二者由于社会和科学的进步可以被预防逐渐被人们认识并得到有效治疗,但VB6反应性癫痫尚未得到广泛重视。VB6反应性癫痫是指发作可被VB6单药控制,或在已有抗癫痫药物不能控制的基础上加用VB6后发作控制达1个月以上,治疗一定时间后可停用而不会复发。其临床特点包括:① 发作起始年龄在3个月~5岁,大多数在1岁以内;② 癫痫多为婴儿痉挛,少数为Lennox-Gastaut综合征、强直-阵挛发作或局灶运动性发作;③ 病因不仅为特发性或隐源性,也可为有器质性脑损伤的症状性;④ 色氨酸负荷试验通常为阴性;⑤ 口服大剂量VB6可使发作减少或消失;⑥ 排除VB6缺乏性惊厥和VB6依赖性癫痫。VB6反应性癫痫的发病机制尚不清楚,可能与年龄依赖的酶功能异常,或与VB6依赖性神经递质的功能成熟关键阶段有关,预后良好。

    Release date:2017-05-24 05:46 Export PDF Favorites Scan
  • Expression of corticotropin releasing hormone and its receptors in infantile spasm

    ObjectiveThe purpose of this study was to explore the expression of Corticotropin releasing hormone (CRH), Corticotropin releasing hormone receptor 1 (CRHR1), Protein kinase C (PKC) in epileptogenic zone of Infantile spasm (IS).MethodsCollected 17 cases of tissues of IS patients from operation and 6 cases of normal brain tissues from clinical autopsy during June 2011 to June 2014. Westen blot was used to detected the protein expression of CRH, CRHR1, PKC. PCR was used to exam the mRNA expression of CRH, CRHR1, PKC. Immunohistochemistry and fluorescenceimmuno assay were used to detect the expression of CRH, CRHR1, PKC.ResultsThe mRNA expression of CRH and CRHR1 in IS group are higher than control group, and the protein expression of CRH and CRHR1 in IS group are higher than control group. CRH are slightly expressed in the controls, medium and strong expressed in IS, CRH and NF200 both expressed in IS; CRH is negative in GFAP positive astrocyte; CRH is negative in HLA positive microglial cell. CRHR1 are slightly and medium expressed in the controls, medium and strong expressed in IS, CRHR1 and NF200 both expressed in IS; CRHR1 and GFAP are both positive in astrocyte; CRHR1 and HLA are both positive in microglial cell. PKC are slightly and medium expressed in the controls, medium and strong expressed in IS, PKC and NF200 both expressed in IS; PKC and GFAP are both positive in astrocyte; PKC and HLA are both positive in microglial cell. Spearman analysis showed positive correlation between the expression of CRH, CRHR1, PKC with epileptic spasm in IS patients, as well as positive correlation between PKC with CRHR1.ConclusionsOver expression of CRH, CRHR1, PKC with epileptic spasm in IS patients were positive related with epileptic seizure in IS patients, indicated that CRH signal pathway is related with IS pathogenesis.

    Release date:2017-01-22 09:09 Export PDF Favorites Scan
  • 婴儿痉挛新型药物治疗的研究进展

    婴儿痉挛是婴儿最常见的癫痫性脑病之一,早期诊断和治疗可以改善患儿神经发育的预后。促肾上腺皮质激素(Adrenocorticotropic hormone,ACTH)及氨己烯酸是目前临床首选的一线治疗方案。此外还有一些具有动物实验或临床研究价值但尚未大范围用于临床治疗的新型药物,如雷帕霉素、氟桂利嗪、非氨酯、褪黑素及大麻二酚等,为这一难治性癫痫提供了新的治疗见解。本综述阐述了婴儿痉挛新型药物治疗的最新进展及实际应用。

    Release date:2022-10-31 09:25 Export PDF Favorites Scan
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