AST, aspartate transaminase

AST,天冬氨酸转氨酶
  • 文章类型: Journal Article
    在印度肝细胞癌(HCC)的发病率增加是一个值得关注的问题,需要适当的分析和简化管理策略不能过分强调。
    这是一项由肿瘤学中心组成的前瞻性多中心观察性队列研究,一所拥有专门肝病服务的大学三级医院,一家提供消化内科服务的公立医院,和一个位于3公里半径内的私人肝移植中心。人口统计学和临床参数记录在前瞻性维护的数据库中。临床资料,人口统计,我们记录并比较了4个中心的HCC特征和所分配的治疗方案.
    总共,从2016年6月至2020年1月招募672名患者。腹痛(64.3%)和体重减轻(47.3%)是最常见的症状。最常见的病因是乙型肝炎(39%)。癌症中心接受了较少的丙型肝炎患者和晚期HCC患者。私人移植中心报告的NASH比例最高,在属于较高社会经济阶层的人群中,酒精性肝硬化的比例最低。在诊断时,几乎五分之一(19%)的病例出现转移。门静脉血栓形成占40%。在四分之三的病例(76%)中发现了对治疗指南的坚持。
    乙型肝炎是肝癌最常见的根本原因,而NASH等其他原因正在上升。病因学特征可能随迎合HCC患者的中心的选择性专业化而变化。在BCLCA中,所有不依从性最高的中心中,分配治疗时对指南的依从性都很高。
    UNASSIGNED: Increasing incidence of hepatocellular carcinoma (HCC) in India is a matter of concern and need for adequate profiling and streamlining management strategies cannot be over-emphasized.
    UNASSIGNED: This is a prospective multi-centric observational cohort study comprising of an oncology center, one university tertiary hospital with specialized hepatology service, one public hospital with gastroenterology service, and a private liver transplant center located within a 3-km radius. The demographic and clinical parameters were recorded on a prospectively maintained database. The clinical profile, demographics, characteristics of HCC and the allocated treatment were noted and compared among the four centers.
    UNASSIGNED: In total, 672 patients were enrolled from June 2016 till January 2020. Abdominal pain (64.3%) and weight loss (47.3%) were the most common symptoms. Most common identified etiology was hepatitis B (39%). The cancer center received lesser patients with hepatitis C and those with advanced stage of HCC. The private transplant center reported the highest proportion of NASH, which was also significantly higher in those belonging to higher socioeconomic strata, and lowest proportion of alcoholic cirrhosis. Metastasis was seen in almost one-fifth (19%) cases at diagnosis. Portal vein thrombosis was evident in 40%. Adherence to treatment guidelines was seen in three-fourth cases (76%).
    UNASSIGNED: Hepatitis B is the most common underlying cause for HCC, whereas other causes like NASH are on the rise. Etiologic profile may vary with selective specialization of centers catering to patients with HCC. Adherence to guideline while allocating treatment was high among all centers with highest non-adherence in BCLC A.
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  • 文章类型: Journal Article
    急性肝衰竭(ALF)是急性肝炎等常见疾病的罕见并发症。在印度,病毒性肝炎和抗结核药物引起的肝毒性是ALF的最常见原因。临床上,这些患者出现黄疸,脑病,和凝血病。肝性脑病(HE)和脑水肿是ALF过程中最重要的临床事件,其次是额外的感染,并确定这些患者的预后。ALF中脑病和脑水肿的发病机制是独特且多因素的。氨在发病机制中起着至关重要的作用,几种疗法旨在纠正这种异常。新型氨降低剂的作用仍在不断发展。这些患者最好在拥有肝移植(LT)设施的三级医院进行治疗。据记载,积极的强化医疗管理可以挽救大部分患者。在那些预后因素较差的患者中,LT是唯一被证明能提高生存率的有效疗法。然而,识别预后差的合适患者仍然是一个挑战。密切监测,早期识别和治疗并发症,和表亲移植形成一线方法来管理这类患者。最近的研究表明,使用动态预后模型可以更好地选择肝移植患者,及时移植可以挽救预后不良因素的ALF患者的生命。
    Acute liver failure (ALF) is not an uncommon complication of a common disease such as acute hepatitis. Viral hepatitis followed by antituberculosis drug-induced hepatotoxicity are the commonest causes of ALF in India. Clinically, such patients present with appearance of jaundice, encephalopathy, and coagulopathy. Hepatic encephalopathy (HE) and cerebral edema are central and most important clinical event in the course of ALF, followed by superadded infections, and determine the outcome in these patients. The pathogenesis of encephalopathy and cerebral edema in ALF is unique and multifactorial. Ammonia plays a crucial role in the pathogenesis, and several therapies aim to correct this abnormality. The role of newer ammonia-lowering agents is still evolving. These patients are best managed at a tertiary care hospital with facility for liver transplantation (LT). Aggressive intensive medical management has been documented to salvage a substantial proportion of patients. In those with poor prognostic factors, LT is the only effective therapy that has been shown to improve survival. However, recognizing suitable patients with poor prognosis has remained a challenge. Close monitoring, early identification and treatment of complications, and couseling for transplant form the first-line approach to manage such patients. Recent research shows that use of dynamic prognostic models is better for selecting patients undergoing liver transplantation and timely transplant can save life of patients with ALF with poor prognostic factors.
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  • 文章类型: Journal Article
    急性肝衰竭(ALF)是罕见的,不可预测的,各种病因导致的急性肝损伤(ALI)的潜在致命并发症。文献中报道的ALF病因具有区域差异,影响临床表现和自然病程。在旨在反映印度临床实践的共识文章的这一部分中,疾病负担,流行病学,临床表现,监测,和预测已经讨论过了。在印度,病毒性肝炎是ALF的最常见原因,抗结核药物引起的药物性肝炎是第二常见的原因。ALF的临床表现以黄疸为特征,凝血病,和脑病。区分ALF和其他肝衰竭的原因是很重要的,包括慢性急性肝衰竭,亚急性肝功能衰竭,以及某些可以模仿这种表现的热带感染。该疾病通常具有暴发性临床过程,短期死亡率很高。死亡通常归因于脑部并发症,感染,导致多器官衰竭。及时肝移植(LT)可以改变结果,因此,在可以安排LT之前,为患者提供重症监护至关重要。评估预后以选择适合LT的患者同样重要。已经提出了几个预后评分,他们的比较表明,本土开发的动态分数比西方世界描述的分数更具优势。ALF的管理将在本文件的第2部分中描述。
    Acute liver failure (ALF) is an infrequent, unpredictable, potentially fatal complication of acute liver injury (ALI) consequent to varied etiologies. Etiologies of ALF as reported in the literature have regional differences, which affects the clinical presentation and natural course. In this part of the consensus article designed to reflect the clinical practices in India, disease burden, epidemiology, clinical presentation, monitoring, and prognostication have been discussed. In India, viral hepatitis is the most frequent cause of ALF, with drug-induced hepatitis due to antituberculosis drugs being the second most frequent cause. The clinical presentation of ALF is characterized by jaundice, coagulopathy, and encephalopathy. It is important to differentiate ALF from other causes of liver failure, including acute on chronic liver failure, subacute liver failure, as well as certain tropical infections which can mimic this presentation. The disease often has a fulminant clinical course with high short-term mortality. Death is usually attributable to cerebral complications, infections, and resultant multiorgan failure. Timely liver transplantation (LT) can change the outcome, and hence, it is vital to provide intensive care to patients until LT can be arranged. It is equally important to assess prognosis to select patients who are suitable for LT. Several prognostic scores have been proposed, and their comparisons show that indigenously developed dynamic scores have an edge over scores described from the Western world. Management of ALF will be described in part 2 of this document.
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  • 文章类型: Journal Article
    美国肝病研究协会和欧洲肝病研究协会分别于2008年和2012年发布了威尔逊病(WD)的临床实践指南。他们的重点是疾病的肝脏方面。最近,欧洲儿科胃肠病学肝病和营养学会发表了一篇关于小儿WD的立场论文.人们认为有必要协调肝脏的指导方针,儿科,以及疾病的神经系统方面,并将其与资源受限的环境联系起来。因此,来自印度国家协会的专家代表3个学科,肝病学(印度全国肝脏研究协会),儿科肝病(印度儿科胃肠病学会,肝病学和营养学),和神经学(印度运动障碍协会)聚集在一起制定新的指导方针。使用MEDLINE(PubMed)对WD的回顾性和前瞻性研究进行了文献检索。成员们对每项建议进行了表决,使用名义投票技术。推荐等级,评估,使用开发和评估系统来确定证据的质量。与诊断测试相关的问题,评分系统,并将其修改为适合资源受限设置的版本。虽然铜蓝蛋白和24小时尿铜仍然很重要,血清铜和青霉胺激发试验在诊断算法中作用不大。已经提出了一种新的评分系统-改良的莱比锡评分,对于家族史和血清铜蓝蛋白低于5mg/dl,加分。肝干铜评估和青霉胺挑战测试已从评分系统中删除。已包括神经和肝病的药理学方法以及全球监测量表的差异。建议将胆红素升高和脑病恶化作为预测肝移植需要的指标,但需要进行验证。临床实践指南为WD的全面管理提供了建议,这对所有专业都有价值。
    Clinical practice guidelines for Wilson\'s disease (WD) have been published by the American Association for the Study of Liver Diseases and European Association for the Study of the Liver in 2008 and 2012, respectively. Their focus was on the hepatic aspects of the disease. Recently, a position paper on pediatric WD was published by the European Society of Pediatric Gastroenterology Hepatology and Nutrition. A need was felt to harmonize guidelines for the hepatic, pediatric, and neurological aspects of the disease and contextualize them to the resource-constrained settings. Therefore, experts from national societies from India representing 3 disciplines, hepatology (Indian National Association for Study of the Liver), pediatric hepatology (Indian Society of Pediatric Gastroenterology, Hepatology and Nutrition), and neurology (Movement Disorders Society of India) got together to evolve fresh guidelines. A literature search on retrospective and prospective studies of WD using MEDLINE (PubMed) was performed. Members voted on each recommendation, using the nominal voting technique. The Grades of Recommendation, Assessment, Development and Evaluation system was used to determine the quality of evidence. Questions related to diagnostic tests, scoring system, and its modification to a version suitable for resource-constrained settings were posed. While ceruloplasmin and 24-h urine copper continue to be important, there is little role of serum copper and penicillamine challenge test in the diagnostic algorithm. A new scoring system - Modified Leipzig score has been suggested with extra points being added for family history and serum ceruloplasmin lower than 5 mg/dl. Liver dry copper estimation and penicillamine challenge test have been removed from the scoring system. Differences in pharmacological approach to neurological and hepatic disease and global monitoring scales have been included. Rising bilirubin and worsening encephalopathy are suggested as indicators predicting need for liver transplant but need to be validated. The clinical practice guidelines provide recommendations for a comprehensive management of WD which will be of value to all specialties.
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