We have reviewed a set of recently published studies that compared the anterior chamber depth（ACD） and/or white-to-white（WTW） distance obtained by means of different measuring devices.Since some of those studies r...We have reviewed a set of recently published studies that compared the anterior chamber depth（ACD） and/or white-to-white（WTW） distance obtained by means of different measuring devices.Since some of those studies reached contradictory conclusions regarding device interchangeability,this review was carried out in attempting to clarify which clinical devices can or cannot be considered as interchangeable in clinical practice to measure ACD and/or WTW distance,among these devices：A-scan,ultrasound biomicroscopy,Orbscan and Orbscan Ⅱ（Bausch＆Lomb Surgical Inc.,San Dimas,California,USA）,Pentacam and Pentacam HR（Oculus,Wetzlar,Germany）,Galilei（Ziemer,Switzerland）,Visante optical coherence tomography（Visante OCT,Carl Zeiss Meditec Inc.,Dublin,California,USA）,lOLMaster（Carl Zeiss Meditec,Jena,Germany）,and Lenstar LS 900/Biograph（Haag-Streit AG,Koeniz,Switzerland/Alcon Laboratories Inc.,Ft Worth,Texas,USA）.展开更多
This paper presents a study on digitization of Traditional Chinese Medicine diagnosis. The research consists of two aspects: a) algorithms for blood vessels extraction in sclera-conjunctiva images, which can be applie...This paper presents a study on digitization of Traditional Chinese Medicine diagnosis. The research consists of two aspects: a) algorithms for blood vessels extraction in sclera-conjunctiva images, which can be applied in syndrome differentiation by observing human eyes (named Ocular Diagnostic in Traditional Chinese Medicine);b) digitization of extracted vessels. First, sclera-conjunctiva region is isolated by optimal threshold segmentation and mathematical operation;Scanning and edge detection methods are used to gain the edge of the blood vessels. Moreover, the edge feature parameters are gained, which can be used to reconstruct the blood vessels. Experimental results show that blood vessels information can be obtained fast and accurately for the further TCM diagnosis by artificial system.展开更多
目的探讨脑白质高信号(white matter hyperintensities,WMHs)与前循环大血管闭塞(anterior circulation large vessel occlusion,aLVO)所致卒中患者侧支循环的相关性。方法回顾性纳入2017年12月至2021年4月期间在郑州人民医院神经内科...目的探讨脑白质高信号(white matter hyperintensities,WMHs)与前循环大血管闭塞(anterior circulation large vessel occlusion,aLVO)所致卒中患者侧支循环的相关性。方法回顾性纳入2017年12月至2021年4月期间在郑州人民医院神经内科接受血管内机械血栓切除术治疗的aLVO患者。收集患者人口统计学、血管危险因素、基线临床资料、Fazekas量表评分等资料。采用多变量logistic回归分析确定WMHs与aLVO患者侧支循环状况的独立相关性。结果研究期间共纳入166例aLVO患者,男性77例(46.39%),年龄(69.62±5.91)岁,基线美国国立卫生研究院卒中量表(National Institutes of Health Stroke Scale,NIHSS)评分为(9.33±4.42)分。侧支循环良好组120例(72.29%),侧支循环不良组46例(27.71%)。单变量分析显示,侧支循环良好组基线NIHSS评分、Fazekas总分以及脑室周围Fazekas评分与侧支循环不良组差异有统计学意义(P均<0.05)。多变量logistic回归分析显示,Fazekas总分(优势比2.583,95%置信区间1.445~4.619;P=0.001)及脑室周围Fazekas评分(优势比2.190,95%置信区间1.022~4.692;P=0.044)是侧支循环不良的独立危险因素。结论WMHs严重程度与aLVO患者侧支循环不良相关。展开更多
文摘We have reviewed a set of recently published studies that compared the anterior chamber depth（ACD） and/or white-to-white（WTW） distance obtained by means of different measuring devices.Since some of those studies reached contradictory conclusions regarding device interchangeability,this review was carried out in attempting to clarify which clinical devices can or cannot be considered as interchangeable in clinical practice to measure ACD and/or WTW distance,among these devices：A-scan,ultrasound biomicroscopy,Orbscan and Orbscan Ⅱ（Bausch＆Lomb Surgical Inc.,San Dimas,California,USA）,Pentacam and Pentacam HR（Oculus,Wetzlar,Germany）,Galilei（Ziemer,Switzerland）,Visante optical coherence tomography（Visante OCT,Carl Zeiss Meditec Inc.,Dublin,California,USA）,lOLMaster（Carl Zeiss Meditec,Jena,Germany）,and Lenstar LS 900/Biograph（Haag-Streit AG,Koeniz,Switzerland/Alcon Laboratories Inc.,Ft Worth,Texas,USA）.
文摘This paper presents a study on digitization of Traditional Chinese Medicine diagnosis. The research consists of two aspects: a) algorithms for blood vessels extraction in sclera-conjunctiva images, which can be applied in syndrome differentiation by observing human eyes (named Ocular Diagnostic in Traditional Chinese Medicine);b) digitization of extracted vessels. First, sclera-conjunctiva region is isolated by optimal threshold segmentation and mathematical operation;Scanning and edge detection methods are used to gain the edge of the blood vessels. Moreover, the edge feature parameters are gained, which can be used to reconstruct the blood vessels. Experimental results show that blood vessels information can be obtained fast and accurately for the further TCM diagnosis by artificial system.
文摘目的探讨脑白质高信号(white matter hyperintensities,WMHs)与前循环大血管闭塞(anterior circulation large vessel occlusion,aLVO)所致卒中患者侧支循环的相关性。方法回顾性纳入2017年12月至2021年4月期间在郑州人民医院神经内科接受血管内机械血栓切除术治疗的aLVO患者。收集患者人口统计学、血管危险因素、基线临床资料、Fazekas量表评分等资料。采用多变量logistic回归分析确定WMHs与aLVO患者侧支循环状况的独立相关性。结果研究期间共纳入166例aLVO患者,男性77例(46.39%),年龄(69.62±5.91)岁,基线美国国立卫生研究院卒中量表(National Institutes of Health Stroke Scale,NIHSS)评分为(9.33±4.42)分。侧支循环良好组120例(72.29%),侧支循环不良组46例(27.71%)。单变量分析显示,侧支循环良好组基线NIHSS评分、Fazekas总分以及脑室周围Fazekas评分与侧支循环不良组差异有统计学意义(P均<0.05)。多变量logistic回归分析显示,Fazekas总分(优势比2.583,95%置信区间1.445~4.619;P=0.001)及脑室周围Fazekas评分(优势比2.190,95%置信区间1.022~4.692;P=0.044)是侧支循环不良的独立危险因素。结论WMHs严重程度与aLVO患者侧支循环不良相关。
