BACKGROUND Several conditions may present with acute neurological symptoms,thus mimicking the presentation of stroke.Although the underlying disorder can be diagnosed after careful medical,neurological,and radiologica...BACKGROUND Several conditions may present with acute neurological symptoms,thus mimicking the presentation of stroke.Although the underlying disorder can be diagnosed after careful medical,neurological,and radiological examinations,a few conditions,such as Wernicke encephalopathy(WE),may present a particular diagnostic difficulty.WE is a neurological disorder caused by deficiency of thiamine(B1 vitamin),most often resulting from alcoholism,malnutrition,hyperemesis gravidarum or bariatric surgery.The diagnosis of WE in a certain historical,clinical setting is easily suggested,but in a few cases presenting with acute neurological deficits,it can be particularly challenging.CASE SUMMARY We present the case of a 63-year-old man who was brought to the emergency department after developing weakness of the left extremities,dizziness and a confusional state,which had lasted for approximately 30 minutes.The patient had a similar episode of a confusional state approximately two months earlier;at that time,a transient ischemic attack was suspected and he was started on aspirin.The initial clinical evaluation and imaging findings were unremarkable for stroke,but the patient’s symptoms,history of chronic alcohol abuse and abnormal liver function tests prompted the consideration of WE.Magnetic resonance imaging findings in subthalamic areas and electroencephalogram data of diffuse delta activity supported this diagnosis.CONCLUSION Through this case report,we aim to underscore the importance of considering WE as a differential diagnosis in patients presenting with symptoms suggestive of stroke,especially when the presentation is atypical or when risk factors for thiamine deficiency are present.Since intravenous thiamine significantly improves outcomes,delayed recognition and treatment in some cases might be deleterious.展开更多
Wernicke’s encephalopathy(WE),a neurological emergency caused by thiamine deficiency,represents a rare but life-threatening complication following allogeneic hematopoietic stem cell transplantation(allo-HSCT).This st...Wernicke’s encephalopathy(WE),a neurological emergency caused by thiamine deficiency,represents a rare but life-threatening complication following allogeneic hematopoietic stem cell transplantation(allo-HSCT).This study details the nurse-led management of a 50-year-old man with acute myelomonocytic leukemia with eosinophilia(AMLM4Eo)who developed WE post-transplant.A structured nursing protocol was implemented,comprising comprehensive neurological monitoring(including consciousness and cranial nerve assessments),high-dose intravenous thiamine supplementation,individualized combined enteral and parenteral nutrition with gradual transition to oral intake,infection and bleeding prophylaxis,and psychological support using validated screening tools.After 27 days of integrated care,the patient achieved complete neurological recovery(Glasgow Coma Scale improved from 10 to 15),normalized thiamine levels(22.9 ng/mL),significant nutritional improvement,and fusion gene clearance.At the three-month follow-up,he maintained relapse-free status with substantially enhanced quality of life.This case emphasizes the vital role of systematic,nurse-driven interventions,incorporating early detection,targeted nutrient repletion,stepped nutritional rehabilitation,and psychosocial support,in optimizing WE outcomes post-allo-HSCT,supporting the integration of such multidimensional care into standard transplant protocols.展开更多
目的利用功能磁共振成像技术研究汉语听觉词汇语义判断任务时正常人与Wernicke语言区胶质瘤病人脑的活动情况。方法对15名正常青年受试者和2名胶质瘤累及左侧优势半球Wernicke语言区的病人进行听觉方式呈现汉语词汇语义判断任务的fMRI扫...目的利用功能磁共振成像技术研究汉语听觉词汇语义判断任务时正常人与Wernicke语言区胶质瘤病人脑的活动情况。方法对15名正常青年受试者和2名胶质瘤累及左侧优势半球Wernicke语言区的病人进行听觉方式呈现汉语词汇语义判断任务的fMRI扫描,由3.0 T MR扫描仪获取数据,并采用AFNI软件进行脑功能区活动图像分析。结果正常志愿者听觉语义判断语言任务激活的主要脑区包括双侧小脑半球、辅助运动区、额下回、颞上回、颞中回、岛叶、左侧顶下小叶、左侧缘上回。两位胶质瘤累及左半球Wernicke区患者的语言任务激活主要脑区包括:双侧小脑半球、辅助运动区、额下回、额中回、颞中回、岛叶、顶下小叶、右侧缘上回、右侧颞上回、右侧额上回。结论2例胶质瘤累及左侧Wernicke区的患者右侧半球激活较正常志愿者组明显增多,以右侧为优势,且左侧Wernicke区的激活减少,代之以肿瘤周边少量激活。展开更多
文摘BACKGROUND Several conditions may present with acute neurological symptoms,thus mimicking the presentation of stroke.Although the underlying disorder can be diagnosed after careful medical,neurological,and radiological examinations,a few conditions,such as Wernicke encephalopathy(WE),may present a particular diagnostic difficulty.WE is a neurological disorder caused by deficiency of thiamine(B1 vitamin),most often resulting from alcoholism,malnutrition,hyperemesis gravidarum or bariatric surgery.The diagnosis of WE in a certain historical,clinical setting is easily suggested,but in a few cases presenting with acute neurological deficits,it can be particularly challenging.CASE SUMMARY We present the case of a 63-year-old man who was brought to the emergency department after developing weakness of the left extremities,dizziness and a confusional state,which had lasted for approximately 30 minutes.The patient had a similar episode of a confusional state approximately two months earlier;at that time,a transient ischemic attack was suspected and he was started on aspirin.The initial clinical evaluation and imaging findings were unremarkable for stroke,but the patient’s symptoms,history of chronic alcohol abuse and abnormal liver function tests prompted the consideration of WE.Magnetic resonance imaging findings in subthalamic areas and electroencephalogram data of diffuse delta activity supported this diagnosis.CONCLUSION Through this case report,we aim to underscore the importance of considering WE as a differential diagnosis in patients presenting with symptoms suggestive of stroke,especially when the presentation is atypical or when risk factors for thiamine deficiency are present.Since intravenous thiamine significantly improves outcomes,delayed recognition and treatment in some cases might be deleterious.
文摘Wernicke’s encephalopathy(WE),a neurological emergency caused by thiamine deficiency,represents a rare but life-threatening complication following allogeneic hematopoietic stem cell transplantation(allo-HSCT).This study details the nurse-led management of a 50-year-old man with acute myelomonocytic leukemia with eosinophilia(AMLM4Eo)who developed WE post-transplant.A structured nursing protocol was implemented,comprising comprehensive neurological monitoring(including consciousness and cranial nerve assessments),high-dose intravenous thiamine supplementation,individualized combined enteral and parenteral nutrition with gradual transition to oral intake,infection and bleeding prophylaxis,and psychological support using validated screening tools.After 27 days of integrated care,the patient achieved complete neurological recovery(Glasgow Coma Scale improved from 10 to 15),normalized thiamine levels(22.9 ng/mL),significant nutritional improvement,and fusion gene clearance.At the three-month follow-up,he maintained relapse-free status with substantially enhanced quality of life.This case emphasizes the vital role of systematic,nurse-driven interventions,incorporating early detection,targeted nutrient repletion,stepped nutritional rehabilitation,and psychosocial support,in optimizing WE outcomes post-allo-HSCT,supporting the integration of such multidimensional care into standard transplant protocols.
文摘目的利用功能磁共振成像技术研究汉语听觉词汇语义判断任务时正常人与Wernicke语言区胶质瘤病人脑的活动情况。方法对15名正常青年受试者和2名胶质瘤累及左侧优势半球Wernicke语言区的病人进行听觉方式呈现汉语词汇语义判断任务的fMRI扫描,由3.0 T MR扫描仪获取数据,并采用AFNI软件进行脑功能区活动图像分析。结果正常志愿者听觉语义判断语言任务激活的主要脑区包括双侧小脑半球、辅助运动区、额下回、颞上回、颞中回、岛叶、左侧顶下小叶、左侧缘上回。两位胶质瘤累及左半球Wernicke区患者的语言任务激活主要脑区包括:双侧小脑半球、辅助运动区、额下回、额中回、颞中回、岛叶、顶下小叶、右侧缘上回、右侧颞上回、右侧额上回。结论2例胶质瘤累及左侧Wernicke区的患者右侧半球激活较正常志愿者组明显增多,以右侧为优势,且左侧Wernicke区的激活减少,代之以肿瘤周边少量激活。
