Despite the advent and growing availability of magnetic resonance imaging,the imaging modality of choice in the acute care of stroke patients in many institutions remains computed tomography.The hyperdense artery sign...Despite the advent and growing availability of magnetic resonance imaging,the imaging modality of choice in the acute care of stroke patients in many institutions remains computed tomography.The hyperdense artery sign is the earliest marker of acute ischemic stroke.In this short review,we discuss the pathology,incidence,clinical aspects,imaging findings,significance and future questions that need to be addressed concerning this important sign.展开更多
<span style="font-family:""><span style="font-family:Verdana;">The general objective of this study was to assess the impact of the recognition of warning, signs of ischemic stroke,...<span style="font-family:""><span style="font-family:Verdana;">The general objective of this study was to assess the impact of the recognition of warning, signs of ischemic stroke, on the reduction of emergency admission times and the improvement of the prognosis of the patient suffering from ischemic stroke in the emergency department of the Yaounde central hospital. </span><b><span style="font-family:Verdana;">M</span></b></span><b><span style="font-family:Verdana;">e</span></b><b><span style="font-family:Verdana;">thods:</span></b><span style="font-family:""><span style="font-family:Verdana;"> This was a prospective study with a descriptive and analytical aim carried out in the medical emergency department of the central hospital of Yaounde over a period of 3 months, going from October to December 2020. All patients admitted to emergency departement, during this period, for a diagnosis of ischemic stroke confirmed by a brain CT scan were included in the study. The data was collected on a survey sheet divided into 3 sections: the patient, the assessment of his knowledge and his reaction to the stroke. The variables studied were socio-demographic data, cardiovascular risk factors and warning signs of stroke. Data analysis was conducted with Census and Survey Processing System (CSPRO). </span><b><span style="font-family:Verdana;">Results:</span></b><span style="font-family:Verdana;"> During the study period, 62 patients met the inclusion criteria. Adults under 50 (41.94%) were the most represented age group. The mean age of the patients was 52.3 years with ranges ranging from 36 to 82 years. The sex ratio was 1.38 in favor of women. The most common unmodifiable cardiovascular risk factor was age over 55 years 44%. High blood pressure 61% was the most common modifiable risk factor. More than half of the study population had no knowledge of the warning signs of ischemic stroke. The most well-known warning sign was 40% mouth deformation. The anamnesis noted that the weakness of the hemibody, the limb or the leg was found in our cohort in 77% of cases, followed by balance disorder (73%) and speech disorder (50%). The main associated sign was asthenia 32%. Direct admission to hospital through the emergency department was the first call for alert 58%, followed by self-medication 32% and seeking help from a family member 31%. The emergency department admission time was over 4 hours 30 minutes in more than half of the cases. </span><b><span style="font-family:Verdana;">Conclusion:</span></b><span style="font-family:Verdana;"> Ischemic stroke is an important cause of death in sub-Saharan Africa in the acute phase. Information, education and communication about the warning signs of ischemic stroke reduce the time to emergency room visits and improve the prognosis of these patients.展开更多
文摘Despite the advent and growing availability of magnetic resonance imaging,the imaging modality of choice in the acute care of stroke patients in many institutions remains computed tomography.The hyperdense artery sign is the earliest marker of acute ischemic stroke.In this short review,we discuss the pathology,incidence,clinical aspects,imaging findings,significance and future questions that need to be addressed concerning this important sign.
文摘<span style="font-family:""><span style="font-family:Verdana;">The general objective of this study was to assess the impact of the recognition of warning, signs of ischemic stroke, on the reduction of emergency admission times and the improvement of the prognosis of the patient suffering from ischemic stroke in the emergency department of the Yaounde central hospital. </span><b><span style="font-family:Verdana;">M</span></b></span><b><span style="font-family:Verdana;">e</span></b><b><span style="font-family:Verdana;">thods:</span></b><span style="font-family:""><span style="font-family:Verdana;"> This was a prospective study with a descriptive and analytical aim carried out in the medical emergency department of the central hospital of Yaounde over a period of 3 months, going from October to December 2020. All patients admitted to emergency departement, during this period, for a diagnosis of ischemic stroke confirmed by a brain CT scan were included in the study. The data was collected on a survey sheet divided into 3 sections: the patient, the assessment of his knowledge and his reaction to the stroke. The variables studied were socio-demographic data, cardiovascular risk factors and warning signs of stroke. Data analysis was conducted with Census and Survey Processing System (CSPRO). </span><b><span style="font-family:Verdana;">Results:</span></b><span style="font-family:Verdana;"> During the study period, 62 patients met the inclusion criteria. Adults under 50 (41.94%) were the most represented age group. The mean age of the patients was 52.3 years with ranges ranging from 36 to 82 years. The sex ratio was 1.38 in favor of women. The most common unmodifiable cardiovascular risk factor was age over 55 years 44%. High blood pressure 61% was the most common modifiable risk factor. More than half of the study population had no knowledge of the warning signs of ischemic stroke. The most well-known warning sign was 40% mouth deformation. The anamnesis noted that the weakness of the hemibody, the limb or the leg was found in our cohort in 77% of cases, followed by balance disorder (73%) and speech disorder (50%). The main associated sign was asthenia 32%. Direct admission to hospital through the emergency department was the first call for alert 58%, followed by self-medication 32% and seeking help from a family member 31%. The emergency department admission time was over 4 hours 30 minutes in more than half of the cases. </span><b><span style="font-family:Verdana;">Conclusion:</span></b><span style="font-family:Verdana;"> Ischemic stroke is an important cause of death in sub-Saharan Africa in the acute phase. Information, education and communication about the warning signs of ischemic stroke reduce the time to emergency room visits and improve the prognosis of these patients.
文摘[目的]研究中风先兆证临床特征表现。[方法]在文献系统评价的基础上,建立专家调查问卷,预调查信度(Cronbachα系数):0.96和效度(累积方差贡献率)82.22%,分半信度(Guttman Split-half):0.90、分半相关系数:0.87。对资料进行主成分分析降维处理,经球形检验(KMO and Bartlett’s Test),提示可以进行因子分析。[结果]专家问卷调查发放问卷600份,收回问卷588份,失访12份,失访率2%(小于<15%),总体信度0.97和效度73.11%,分半信度0.92、分半相关系数0.91。中风先兆证的临床特征表现如下:病史为冠心病和糖尿病;危险因素为高血压病、年老、环境污染、微循环异常;病因病机为年老体衰、体质不良、气血津液紊乱、脏腑功能失调、腑实壅塞、气候变化、房事不节;证候为气虚血瘀证、痰瘀证、肝风内动证、肝阳上亢证、肾精不足证;症状有倦怠乏力、语言不利、肢体麻木、头昏/头晕/目眩、感觉异常/感觉减退、黑蒙、头胀痛、口角流涎/流涎;舌象有舌淡、舌暗/舌黯/舌暗红/舌暗淡、舌绛红/舌红绛、苔薄白、苔白腻、无苔、苔白;脉象有脉弦滑、脉涩/脉细涩、脉细/脉细弱、脉虚/弱。[结论]以上研究进一步完善了前期文献系统评价的结果,对学会标准的修订具有一定的借鉴价值。
