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Optimized nerve block techniques while performing percutaneous hepatic ablation: Literature review and practical use

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Journal of Interventional Medicine 2020年第4期3卷 161-166页

作者： dM Liu A Hadjivassiliou d Valenti SG Ho d klass JB Chung PT Kim LM Boucher Faculty of Medicine University of British ColumbiaCanada Miller School of Medicine University of MiamiUSA department of Radiology-division of Interventional Radiology Vancouver General HospitalCanada department of Radiology Vancouver General HospitalCanada department of Surgery division of Hepatopancraticobiliary Surgery/Liver Transplantation Vancouver General HospitalVancouverCanada Faculty of Medicine McGill UniversityDepartment of RadiologyDivision of Interventional RadiologyMcGill University Health CentreMontrealCanada Faculty of Applied Science University of British ColumbiaCanada

Percutaneous image guided thermal ablation has become a cornerstone of therapy for patients with oligometastatic disease and primary liver *** from percutaneous ethanol injection(PEI),thermal ablation utilizing radiofrequency ablation(RFA)and microwave ablation(MWA)have become the standard approach in the treatment of isolated lesions that fit within the size criteria for curative intent therapy(typically 3-4 cm).With the evolution of more intense thermal ablation,such as MWA,the dramatic increase in both the size of ablation zone and intensity of heat generation have extended the limits of this *** a result of these innovations,intra-procedural and post-procedural pain have also significantly increased,requiring either higher levels of intravenous sedation or,in some institutions,general *** addition to the increase in therapeutic intensity,the use of intravenous sedation during aggressive ablation procedures carries the risk of over-sedation when the noxious insult(*** ablation)is removed,adding further difficulty to post-procedural recovery and ***,high subdiaphragmatic lesions become challenging in this setting due to issues relating to sedation and compliance with breath hold/breathing *** general anesthesia may mitigate these complications,the added resources associated with providing general anesthesia during ablation is not cost effective and may result in substantial delays in *** reduction of Aerosol Generating Medical Procedures(AGMP),such as intubation due to the COVId-19 Pandemic,must also be taken into *** to the potential increased risk of infection transmission,alternatives to general anesthesia should be considered when safe and *** abdominal regional nerve block techniques have been used to manage pain related to trauma,surgery,and cancer;however,blocks of this nature are not well described in the interventional radiology ***

关键词： anesthesia ablation corners

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使用神经周围和硬膜外冲洗法进行神经保护的CT引导下脊柱骨样骨瘤射频消融

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国际医学放射学杂志 2009年第6期 597-597页

作者： d.klass T.Marshall A.Toms 李志伟 Radiology Academy Cotman CentreNorfolk and Norwich University HospitalColney LaneNorwichNR 4 7UYUK

本研究报道了在进行CT引导下脊柱骨样骨瘤频消融时神经保护的一些经验。7例超过9岁的病人在引导下进行了8次骨样骨瘤的射频消融治疗。CT引导下射频消融在常规麻醉下进行。使用一个Cosman SMK TCRF电极,将病变加热至90℃2min,2个周期。将

关键词：脊柱骨样骨瘤射频消融神经保护 CT 硬膜外

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在血管介入模拟器上训练:一项观察性研究

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国际医学放射学杂志 2009年第1期32卷 100-100页

作者： d. klass M.d.B.S. Tam J. Cockburn S. Williams A.P. Toms 王大丽 department of Radiology Norfolk and Norwich University Hospital Colney Lane Norwich NR4 7UB UK

摘要放射注册医师在第1年的培训期间要观察他们使用专用的训练模拟器行左肾动脉血管成形术达到5次。记录其操作总耗时、透视时间及机器测量的信息。操作的每个步骤都有1名观察者进行判断并解析每个错误。12名受训者共完成52次操作训练... 详细信息

摘要放射注册医师在第1年的培训期间要观察他们使用专用的训练模拟器行左肾动脉血管成形术达到5次。记录其操作总耗时、透视时间及机器测量的信息。操作的每个步骤都有1名观察者进行判断并解析每个错误。12名受训者共完成52次操作训练。受训者训练超过5次后，平均操作时问从16．6min减少到9．8min。

关键词：介入放射学培训计算机模拟器智力操作能力

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Xenophobia in Post Apartheid South Africa:Causes,Effects and Solutions

Xenophobia in Post Apartheid South Africa:Causes,Effects and...

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作者： PORTIA N. klass（茉莉）山东大学

学位级别：硕士

South Africa affectionately known as a "Rainbow nation" gained its independence in 1994 from the authoritative apartheid regime. After years of oppression, segregation, racial exclusion and inequality the rainbow nation was born giving hope to many who finally were ready for equality, freedom and racial inclusion. The country also rose from sanctions and exclusion from the international community to becoming one of the Africa’s economically and industrialized able state. With this, South Africa was placed in the global arena, and in a context which enabled its greater engagement with the rest of the world and Africa, born from racism the new South Africa placed emphasis on nation-building, ubuntu （oneness） and emerging nationalism. The new South Africa however gave birth to discrimination and exclusion （new racism）.On April 2015, violence broke out in durban directed towards migrants especially the ones of African origin, resulting in brutal killings of six people, looting in foreign owned shops as well as misplacements of thousands of foreigners who sought solace in police stations, churches, mosques and refugee camps. This was not the first time these attacks happened, their history can be traced to as early as 1994, since then xenophobic violence directed towards African immigrants has escalated regardless of the influx of migrants coming into South Africa. This has caused tremendous concern and frustrations in and outside South Africa. In the contemporary South Africa, politics of exclusion and inclusion have taken a different and new form, where migrants from Africa are excluded and targeted while white migrants from Europe and other countries are embraced and *** concept of xenophobia is explained as fear of something strange and foreign, however, in South Africa this is directed only towards African foreigners. Xenophobia is a complex phenomenon which involves scapegoating of foreigners as well as politics of access. This thesis argues that the xeno

关键词： Xenophobia scapegoat racial exclusion nationalism apartheid migrants

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Is <sup>18</sup>F-FdG-PET/CT a Valid Non-Invasive Predictor for Regression Grade after Neoadjuvant Treatment in Patients with NSCLC Stage III?

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Journal of Cancer Therapy 2014年第6期5卷 531-541页

作者： Natalie desiree klass Richard P. Baum Michael Schmuecking Norbert Presselt Klaus-Michael Mueller Thomas G. Wendt Reiner Bonnet department of Nuclear Medicine Zentralklinik Bad Berka Bad Berka Germany department of Pneumology Zentralklinik Bad Berka Bad Berka Germany department of Radiation Oncology University of Jena Jena Germany department of Radiation-Oncology Inselspital Bern University Hospital and University of Bern Bern Switzerland department of Thoracic Surgery Zentralklinik Bad Berka Bad Berka Germany Institute of Pathology University of Münster Münster Germany

Introduction: CT alone cannot provide sufficient information referring to response after neoadjuvant therapy in a timely manner. To evaluate the role of 18F-FdG-PET after neoadjuvant chemoradiation as a valid, non-invasive predictor for early therapy response and its effect on survival as compared to histopathologic tumor response, data of 32 of 210 randomized patients with NSCLC stage IIIA/IIIB, who were treated in a?prospective randomized controlled multicenter trial (LUCAS- Md), were re-evaluated. Material and Methods: For 32 patients with NSCLC stage IIIA (44%) IIIB (56%) neoadjuvant treatment consisted of two to three cycles of chemotherapy (225 mg/m2 paclitaxel and carboplatin AUC 6 d1q22) and concomitant chemoradiation (50 mg/m2 paclitaxel and carboplatin AUC 2 d1, d8, d15;1.5 Gy b.i.d. up to 45 Gy). documentation of involved lymph node stations as detected by 18F-FdG-PET/CT and lymph node sampling during surgery according to the IASLC lymph node mapping (2009). Evaluation of histological regression grade (RG) according to Junker et al. (2001) and correlation with?18F-FdG-PET/CT for primary tumor and each lymph node station. Calculation of disease free survival using Kaplan-Meier estimates and log rank tests. Results: Actuarial tumor specific survival for the 32 patients with concomitant chemoradiation plus?chemotherapy: complete vs. incomplete metabolic remission prior to surgery after 60 months:?40% vs. 24% (p?= 0.018). RG III/IIb (no/less than 10% of vital tumor cells) vs. RG IIa/I (more than 10% vital tumor cells) after 60 months: 46% vs. 15% (p?= 0.006). 18/32 (56%) patients had RG III/IIb, 8/32 (25%) patients had regression grade III. 1/8 pts. with RG III were in the 18F-FdG- PET/CT false positive, 10 pts. with RG IIb (i.e. all pts. with RG IIb) were in the 18F-FdG-PET/CT false negative. One patient with RG IIa was in the 18F-FdG-PET/CT false negative. Hence, the cut-off level in detecting vital tumor cells by 18F-FdG-PET/CT after neoadjuvant chemoradia

关键词： NSCLC 1818F-FdG-PET Neoadjuvant Treatment Non-Invasive Predictor

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前瞻性心电门控横断面CT冠状动脉成像:一种新的低剂量成像技术的初步研究

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国际医学放射学杂志 2009年第3期 304-305页

作者： O.klass M.Jeltsch S.Feuerlein H.Brunner H.d.Nagel M.J.Walker 宋建军 department of diagnostic and Interventional Radiology University Hospital of UlmSteinhvelstr.989075 UlmGermany

评价比较前瞻性心电门控横断面CT冠状动脉成像(PGA)和回顾性心电门控螺旋技术(RGH)的图像质量和曝光剂量。40例可疑冠状动脉疾病病人,心率控制在65次以下,用64层CT进行CT冠状动脉成像。将其分成2组,前20例用PGA技术,后20例用RGH技术。2... 详细信息

评价比较前瞻性心电门控横断面CT冠状动脉成像(PGA)和回顾性心电门控螺旋技术(RGH)的图像质量和曝光剂量。40例可疑冠状动脉疾病病人,心率控制在65次以下,用64层CT进行CT冠状动脉成像。将其分成2组,前20例用PGA技术,后20例用RGH技术。2组病人根据年龄、性别、体质量指数和心率进行配对。每组均由2位独立的观察者对冠状动脉各段的图像质量进行评价,并将其分为1(无法评估)～5(优秀质量)度。

关键词： CT冠状动脉成像曝光剂量前瞻性心电门控横断位技术

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