SCD

SCD
  • 文章类型: Case Reports
    这个病例报告的重点是一对面临原发性不孕症的夫妇,男性伴侣表现出弱精子症和高DNA片段化。治疗方法包括三个周期的胞浆内单精子注射(ICSI),辅助生殖技术(ART),指出并解决男性因素不育症带来的具体挑战。最初的两次尝试都失败了,因为DNA片段化程度很高,这是在禁欲的第4天和第3天观察到的,分别。在第三个周期中,在禁欲期的第2天,DNA片段化程度很低,导致胚胎的成功形成和冷冻保存。随后,三个月后,冷冻胚胎移植(ET)。随后在14天后进行了β-人绒毛膜促性腺激素(hCG)阳性测试,证实了生化妊娠,成功受孕是通过超声检测胎儿极点可见的囊来确定的。这份报告强调了治疗计划对个体患者的至关重要性。特别是考虑到禁欲期对精子DNA片段的影响。这些发现促进了辅助生殖技术的个性化方法,提高成功率。建议进行进一步的全面研究,以验证和预测这些观察结果。
    This case report focuses on a couple facing primary infertility, where the male partner exhibited asthenoteratozoospermia and high DNA fragmentation. The treatment approach involved three cycles of intracytoplasmic sperm injection (ICSI), an assisted reproductive technology (ART), to indicate and address the specific challenges posed by male factor infertility. The initial two attempts failed as DNA fragmentation was high, which was observed on days 4 and 3 of abstinence, respectively. In the third cycle, DNA fragmentation was low on day 2 of the abstinence period, resulting in the successful formation and cryopreservation of embryos. Subsequently, three months later, frozen embryo transfer (ET) was done. This was followed by a positive β-human chorionic gonadotropin (hCG) test after 14 days that confirmed biochemical pregnancy, and successful conception was determined by ultrasound detection of the visible sac with fetal pole. This report underscores the critical importance of treatment plans for individual patients, especially considering the impact of abstinence periods on sperm DNA fragmentation. The findings promote a personalized approach to assisted reproductive techniques, enhancing the success rate. It is recommended that further comprehensive studies be conducted to validate and anticipate these observations.
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  • 文章类型: Case Reports
    亚急性联合变性(SCD)是一种由维生素B12缺乏引起的神经系统疾病,普遍存在于颈椎和胸椎,发病隐匿,缺乏特征性临床表现。本研究描述了一名36岁女性SCD患者的情况,该患者表现出大脑白质的异常变化。实验室测试结果显示血清维生素B12水平降低,同型半胱氨酸水平升高。磁共振成像(MRI)的大脑显示,除了颈椎和胸椎的异常信号,出现斑点和短条纹异常信号,对称分布在中心半卵中。经过6个月的随访治疗,头颅MRI显示半卵中心的对称斑点和短条纹异常信号显着衰减。患者的同型半胱氨酸和血清维生素B12水平在预期范围内。虽然,据我们所知,以前没有关于SCD患者大脑改变的报道,如果这些病人出现神经症状,临床医生应考虑到这些症状可能伴有脑的炎性脱髓鞘。
    Subacute combined degeneration (SCD) is a neurological disorder caused by vitamin B12 deficiency, prevalent in the cervical and thoracic medullas, with an insidious onset and a lack of characteristic clinical manifestations. The present study describes a case of a 36-year-old female patient with SCD who demonstrated abnormal changes in the white matter of the brain. The laboratory test results showed a decrease in serum vitamin B12 levels and an increase in homocysteine levels. Magnetic resonance imaging (MRI) of the brain showed that, in addition to abnormal signals in the cervical and thoracic spine, speckled and short-striped abnormal signals were present, symmetrically distributed in the centrum semiovale. After 6 months of follow-up treatment, cranial MRI showed a significant attenuation of the symmetrical speckled and short-striped abnormal signals in the centrum semiovale. Homocysteine and serum vitamin B12 levels of the patient were within the expected range. Although, to the best of our knowledge, there have been no previous reports of alterations in the brain of patients with SCD, if these patients report neurological symptoms, clinicians should consider that these symptoms may be accompanied by inflammatory demyelination of the brain.
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  • 文章类型: Case Reports
    UNASSIGNED:Desmin是一种中间丝蛋白,在稳定心脏插入盘中的肌节和细胞接触中起关键作用。DES基因突变可引起遗传性心肌病的异质性表型,而潜在的分子机制需要进一步研究。
    未经证实:我们描述了一个患有心肌病和心源性猝死(SCD)的中国家庭。采用全外显子组测序(WES)和生物信息学策略来探索该家族的遗传实体。
    未经鉴定:鉴定了DES基因的未知杂合子错义变体(c.1300G>A;p.E434K)。突变在这个家族中发生。该突变被预测为致病性的,并且在我们的200名健康对照中不存在。
    未经授权:我们鉴定了一个新的DES突变(p。E434K)在一个患有心肌病和SCD的中国家庭中。我们的研究不仅为研究DES突变与遗传性心肌病之间的关系提供了新的案例,而且扩大了DES突变的范围。
    UNASSIGNED: Desmin is an intermediate filament protein that plays a critical role in the stabilization of the sarcomeres and cell contacts in the cardiac intercalated disk. Mutated DES gene can cause hereditary cardiomyopathy with heterogeneous phenotypes, while the underlying molecular mechanisms requires further investigation.
    UNASSIGNED: We described a Chinese family present with cardiomyopathy and sudden cardiac death (SCD). Whole-exome sequencing (WES) and bioinformatics strategies were employed to explore the genetic entity of this family.
    UNASSIGNED: An unknown heterozygote missense variant (c.1300G > A; p. E434K) of DES gene was identified. The mutation cosegregates in this family. The mutation was predicted as pathogenic and was absent in our 200 healthy controls.
    UNASSIGNED: We identified a novel DES mutation (p. E434K) in a Chinese family with cardiomyopathy and SCD. Our study not only provided a new case for the study of the relationship between DES mutations and hereditary cardiomyopathy but also broadened the spectrum of DES mutations.
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  • 文章类型: Case Reports
    背景:镰状细胞病是一种常见的遗传性血红蛋白病,与高发病率和高死亡率相关。血管闭塞危象通常发生在患有SCD的个体中,其由于末端器官缺血和梗塞而导致高发病率。这些包括脾梗死,肺部受累,急性胸部综合征,和眼眶压迫综合征.SCD的眼部表现包括眼前段缺血,继发性青光眼,角状条纹,视网膜病变,和视网膜动脉阻塞.通常报道的镰状细胞病发病率的原因是极端温度,风速,和降雨。这项研究对暴露于高海拔地区的镰状细胞患者的复发性眶骨骨膜下血肿进行了调查。
    方法:一名患有SCD的12岁男孩在访问高海拔地区时反复出现突发性眶周疼痛和肿胀。该家庭先前报告了两次类似的袭击。患者完全康复,及时开始保守治疗。该案例研究是关于纯合子SCD,先前有类似的疼痛性眶周肿胀发作史,经保守治疗后解决。这种情况与眼球突出有关,复视,和限制眼球运动。眼眶磁共振成像显示右眶顶邻近眶壁的骨膜下肿块,被鉴定为骨膜下血肿,诱导突起。随访7天后患者出院。
    结论:在SCD的血管闭塞危象期间,眶骨梗死表现为急速进行性的眶周疼痛性肿胀。血肿经常使病情复杂化,以及可能导致眼眶压迫综合征的炎性肿胀。这种情况威胁视力,需要及时诊断并进行适当的管理。这种情况要求立即开始保守治疗并密切监测视神经功能,以防止年轻患者的永久性视力丧失。
    BACKGROUND: Sickle cell disease is a common inherited hemoglobinopathy and is associated with high morbidity and mortality. Vaso-occlusive crises commonly occur in individuals with SCD that results in high morbidity due to end-organ ischemia and infarction. These include splenic infarction, pulmonary involvement, acute chest syndrome, and orbital compression syndrome. Ocular manifestations of SCD include anterior segment ischemia, secondary glaucoma, angoid streaks, retinopathy, and retinal artery occlusion. Commonly reported causes for the incidence of sickle cell disease are extreme temperatures, wind speed, and rainfall. This study has conducted an investigation of recurrent orbital bone sub-periosteal hematoma in a sickle cell patient that was exposed to high altitude areas.
    METHODS: A 12-year-old boy with SCD developed a recurrent sudden periorbital pain and swelling during a visit to high altitude area. The family reported two similar attacks previously. The patient recovered completely with timely initiated conservative treatment. The case study is about homozygous SCD with previous history of similar attack of painful periorbital swelling that resolved after conservative management. This condition was associated with proptosis, diplopia, and restriction of eye movement. Magnetic resonance imaging of the orbits showed right orbital roof subperiosteal mass adjacent to the orbital wall, which was identified as a subperiosteal haematoma, inducing proptosis. The patient was discharged after 7 days with follow up.
    CONCLUSIONS: Infarction of orbital bones during vaso-occlusive crises in SCD presented acutely with a rapidly progressive painful periorbital swelling. Hematomas frequently complicate the condition, along with the inflammatory swelling that may lead to the orbital compression syndrome. The condition is sight-threatening and necessitates prompt diagnosis along with appropriate management. This condition mandates prompt initiation of conservative treatment and close monitoring of the optic nerve functions to prevent permanent visual loss in young patients.
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  • 文章类型: Case Reports
    Avoidant/restrictive food intake disorder (ARFID) is a potentially lethal eating disorder. This case example of a male, G, aged 17 years with ARFID illustrates the multiplicity of health problems related to nutritional deficiencies which may develop in an adolescent of normal weight. Of particular concern was the diagnosis of subacute combined degeneration (SCD) of the spinal cord and the real possibility that G may have irreversible damage to his spinal cord. To our knowledge, this is the first reported case of a patient with SCD of the spinal cord due to ARFID. The adolescent was found to be deficient in Vitamin A, E, K, D, B12, and folate. Management required vitamin replacement, initial nasogastric feeding and the slow introduction of a varied diet. This patient will require long term rehabilitation. Medical practitioners need to be attuned to abnormal eating patterns in children and adolescents and refer for specialist care early.
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