Two cases of Klebsiella pneumoniae liver abscess necessitating liver resection for effective treatment

We report two British cases of liver abscess, due to Klebsiella pneumoniae and associated with synchronous infection elsewhere, which required liver resection for definitive treatment. They illustrate the geographic spread of aggressive K pneumoniae liver infection and demonstrate the importance of early aggressive treatment.     

Transarterial Chemoembolization vs Radioembolization for Neuroendocrine Liver Metastases: A Multi-Institutional Analysis

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原发性肝癌患者手术切除术后早期复发影响因素分析

目的:探究原发性肝癌患者手术切除术后早期复发影响因素分析。方法:对广州市番禺区中医院2017年2月-2019年2月收治的原发性肝癌患者98例进行回顾性分析,依据各项临床指标分析手术切除术后早期复发的影响因素。结果:原发性肝癌患者经由手术切除后出现复发的可能性较高,同时手术切缘有残留、包膜不完整、肿瘤结节、心理因素、甲胎蛋白、血管侵犯、肝硬化及肿瘤直径等均是影响原发性肝癌手术期后再复发的高危因素。结论:原发性肝癌通常具有术后复发的生物学特性,依据对手术切除术之后早期复发因素的分析,对手术风险与治疗方案进行充分评估,同时要求患者进行定期复查及随访等工作,可对患者手术成功以及并发症的防治等均具有积极意义。     

AAV-CRISPR Gene Editing Is Negated by Pre-existing Immunity to Cas9

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In Vitro-In Vivo Extrapolation and Hepatic Clearance-Dependent Underprediction

Accurately predicting the hepatic clearance of compounds using in vitro to in vivo extrapolation (IVIVE) is crucial within the pharmaceutical industry. However, several groups have recently highlighted the serious error in the process. Although empirical or regression-based scaling factors may be used to mitigate the common underprediction, they provide unsatisfying solutions because the reasoning behind the underlying error has yet to be determined. One previously noted trend was intrinsic clearance-dependent underprediction, highlighting the limitations of current in vitro systems. When applying these generated in vitro intrinsic clearance values during drug development and making first-in-human dose predictions for new chemical entities though, hepatic clearance is the parameter that must be estimated using a model of hepatic disposition, such as the well-stirred model. Here, we examine error across hepatic clearance ranges and find a similar hepatic clearance-dependent trend, with high clearance compounds not predicted to be so, demonstrating another gap in the field.     

The detection and management of complications following the treatment of liver metastases

While once considered as incurable systemic disease, treatment options for liver metastases have increased over the last 30 years and safety has improved dramatically, such that for a selected group of patients the hope of cure can now be offered with radical treatment, and low morbidity interventions can be offered which prolong survival, even in patients with more widely disseminated disease. Advances have been made in selection and surgical technique for liver resection and several adjuncts to resection now exist in the form of portal vein embolization, thermal ablation and targeted drug or radiotherapy delivery options. A natural consequence of these developments has been the delivery of services within fewer specialist units, with the result that later complications of therapy may present to local hospitals, rather than directly to the specialist centres. This article will describe the current common liver-directed therapies and outline the presentation and management of their complications.     

平肝定眩汤治疗肝阳上亢型后循环缺血性眩晕60例临床观察

目的:观察平肝定眩汤对肝阳上亢型后循环缺血性眩晕的疗效。方法:选取2017年6月-2018年10月烟台业达医院收治的后循环缺血性眩晕的患者120例,按随机数字表法分为治疗组和对照组。治疗组和对照组各60例,两组一般的资料经统计学方法,差异无统计学意义(P>0.05),具有可比性。两组均给予改善循环,控制血压、血糖,调节血脂,抗血小板聚集等基础治疗。治疗组给予平肝定眩汤,对照组给予平眩胶囊。两组疗程均为4周,观察两组患者治疗前后总体症状,脑血流速度、血脂、血糖等指标改善情况。采用SPSS 11.0统计学软件进行计算。结果:治疗组总有效率91.7%(55/60),对照组总有效率61.6%(37/60),两组疗效比较有统计学意义(P<0.05)。治疗组三酰甘油(Triglyceride,TG)、血清总胆固醇(Serum Total Cholesterol,TC)、HDL-C、LDL-C治疗后显著改善,与治疗前比较,差异有统计学意义(P<0.05);对照组TG及TC治疗前后差异有统计学意义(P<0.05),高密度脂蛋白胆固醇(High Density Liptein Cholesterol,HDL-C)及低密度脂蛋白胆固醇(Low Density Liptein Cholesterol,LDL-C)治疗前后比较,差异无统计学意义(P>0.05)。两组治疗后TC比较,差异有统计学意义(P<0.05)。两组治疗后空腹血糖(Fasting Plasma Glucose,GLU)明显降低(P<0.05),两组间的治疗后比较,差异无统计学意义(P>0.05)。治疗组治疗后椎动脉(Vertebral Artery,VA)、基底动脉(Basilarartery,BA)平均血流速度(Mean Blood Flow Velocity,VM)明显提高,与对照组治疗后相比较,差异具有统计学意义(P<0.05)。结论:平肝定眩汤治疗后循环缺血性眩晕在改善患者症状、降低血液黏稠度,改善脑血流状况方面疗效显著。