目的观察中心性浆液性脉络膜视网膜病变(CSC)Henle纤维层(HFL)频域光相干断层扫描(SD-OCT)的影像特征。方法采用横断面研究,纳入2017年1月至2021年11月在青岛市第三人民医院眼科确诊的CSC患者35例35眼。其中男23例23眼,女12例12眼;年龄2...目的观察中心性浆液性脉络膜视网膜病变(CSC)Henle纤维层(HFL)频域光相干断层扫描(SD-OCT)的影像特征。方法采用横断面研究,纳入2017年1月至2021年11月在青岛市第三人民医院眼科确诊的CSC患者35例35眼。其中男23例23眼,女12例12眼;年龄24~60岁,平均(41.14±8.19)岁;病程1 d~6个月。所有患者均应用SD-OCT对黄斑部进行水平单线扫描,分析和总结视网膜下液(SRF)区HFL的影像特征。结果CSC视网膜神经上皮层呈规则圆顶形脱离者26眼,SRF区HFL呈边界1型25眼,占96.15%;呈边界2型7眼,占26.92%;呈完全高反射型17眼,占65.38%。病程≤21 d 21眼,均呈边界1型,部分合并完全高反射型或边界2型;病程>21 d 5眼,均呈完全高反射型,部分合并边界1型或边界2型。其中鼻侧和颞侧脱离区基本对称15眼,6眼为水平位图像,两侧SRF区HFL均呈基本对等的光反射信号;3眼为鼻侧抬高位图像,鼻侧SRF区HFL光反射信号均高于颞侧;6眼为颞侧抬高位图像,颞侧SRF区HFL光反射信号均高于鼻侧。鼻侧和颞侧脱离区不对称11眼,其中3眼为水平位图像,颞侧脱离范围均大于鼻侧,颞侧SRF区HFL光反射信号均高于鼻侧;4眼为鼻侧抬高位图像,3眼颞侧脱离范围大于鼻侧,两侧SRF区HFL呈基本对等的光反射信号,1眼鼻侧脱离范围大于颞侧,鼻侧SRF区HFL光反射信号高于颞侧;4眼为颞侧抬高位图像,3眼鼻侧脱离范围大于颞侧,两侧SRF区HFL呈基本对等的光反射信号,1眼鼻侧脱离范围和高度均大于颞侧,鼻侧SRF区HFL光反射信号高于颞侧。CSC视网膜神经上皮层呈不规则形脱离9眼,SRF区HFL呈边界1型7眼,占77.78%;呈边界2型5眼,占55.56%;呈完全高反射型6眼,占66.67%;呈低反射型4眼,占44.44%;呈模糊型2眼,占22.22%。其中7眼脱离的视网膜神经上皮层走行欠平滑,HFL表现类型随视网膜神经上皮层走向的改变而改变;2眼视网膜神经上皮层脱离低平,抬高侧光反射信号略低于压低侧。结论CSC的SD-OCT图像中SRF区HFL主要呈边界1型和完全高反射型。HFL表现类型受OCT图像倾斜方位,病程,视网膜神经上皮层脱离区的对称性、范围、高度和走向特征的影响而呈规律性改变。展开更多
Examining the retinal tissue has the potential to provide a unique method and technique to quantify Alzheimer’s disease-related changes in participants at various stages of the disease.In this metaanalysis,we aimed t...Examining the retinal tissue has the potential to provide a unique method and technique to quantify Alzheimer’s disease-related changes in participants at various stages of the disease.In this metaanalysis,we aimed to investigate the association of various optical coherence tomography parameters with Alzheimer’s disease and whether retinal measurements can be used to diffe rentiate between Alzheimer’s disease and control subjects.Scientific databases including Google Schola r,Web of Science,and PubMed were systematically searched for published articles that evaluated retinal nerve fiber layer thickness and retinal microvascular network in Alzheimer’s disease and control subjects.Seventy-three studies(5850 participants,including 2249 Alzheimer’s disease patients and 3601controls) were included in this meta-analysis.Relative to controls,Alzheimer’s disease patients had a significantly lower global retinal nerve fiber layer thickness(standardized mean difference [SMD]=-0.79,95% confidence intervals [CI]:-1.03 to-0.54,P <0.00001) as well as each quadrant being thinner in Alzheimer’s disease versus controls.Regarding macular paramete rs,values measured by optical coherence tomography were significantly lower in Alzheimer’s disease than controls for macular thickness(pooled SMD:-0.44,95% CI:-0.67 to-0.20,P=0.0003),foveal thickness(pooled SMD=-0.39,95% CI:-0.58 to-0.19,P <0.0001),ganglion cell inner plexiform layer(SMD=-1.26,95% CI:-2.24 to-0.27,P=0.01) and macular volume(pooled SMD=-0.41,95% CI-0.76 to-0.07,P=0.02).Analysis using optical coherence tomography angiography parameters revealed mixed results between Alzheimer’s disease and controls.Superficial vessel density(pooled SMD=-0.42,95% CI:-0.68 to-0.17,P=0.0001) and deep vessel density(pooled SMD=-0.46,95% CI:-0.75 to-0.18,P=0.001) were found to be thinner in Alzheimer’s disease patients whereas the foveal avascular zone(SMD=0.84,95% CI:0.17-1.51,P=0.01) was larger in controls.Vascular density and thickness of various retinal laye rs were decreased in Alzheimer’s disease patients compared to controls.Our results provide evidence for optical coherence tomography technology having the potential to detect retinal and microvascular changes in patients diagnosed with Alzheimer’s disease and aid in monito ring and early diagnosis methods.展开更多
Objective To determine the changes of retina nerve fiber thickness with optical coherence tomography(OCT) in Alzheimer’s disease(AD) patients.Methods OCT was used to measure the thickness of retinal nerve fiber layer...Objective To determine the changes of retina nerve fiber thickness with optical coherence tomography(OCT) in Alzheimer’s disease(AD) patients.Methods OCT was used to measure the thickness of retinal nerve fiber layer(RNFL) from 38 AD patients and 26 healthy age-matched controls.The corrected visual acuity and intraocular pressure were measured and the dilated fundus examinations were also performed in those subjects.Results Compared with healthy age-matched controls,the RNFL thickness of AD patients(95.40±29.45) were much thinner than the controls(105.91±29.87)(P <().05),especially in superior quadrant,while no difference was found in the other retinal area.Conclusion Retinal nerve degeneration may be present in the retina of AD patients and this degeneration is likely localized preferentially to the superior quadrant.展开更多
文摘目的观察中心性浆液性脉络膜视网膜病变(CSC)Henle纤维层(HFL)频域光相干断层扫描(SD-OCT)的影像特征。方法采用横断面研究,纳入2017年1月至2021年11月在青岛市第三人民医院眼科确诊的CSC患者35例35眼。其中男23例23眼,女12例12眼;年龄24~60岁,平均(41.14±8.19)岁;病程1 d~6个月。所有患者均应用SD-OCT对黄斑部进行水平单线扫描,分析和总结视网膜下液(SRF)区HFL的影像特征。结果CSC视网膜神经上皮层呈规则圆顶形脱离者26眼,SRF区HFL呈边界1型25眼,占96.15%;呈边界2型7眼,占26.92%;呈完全高反射型17眼,占65.38%。病程≤21 d 21眼,均呈边界1型,部分合并完全高反射型或边界2型;病程>21 d 5眼,均呈完全高反射型,部分合并边界1型或边界2型。其中鼻侧和颞侧脱离区基本对称15眼,6眼为水平位图像,两侧SRF区HFL均呈基本对等的光反射信号;3眼为鼻侧抬高位图像,鼻侧SRF区HFL光反射信号均高于颞侧;6眼为颞侧抬高位图像,颞侧SRF区HFL光反射信号均高于鼻侧。鼻侧和颞侧脱离区不对称11眼,其中3眼为水平位图像,颞侧脱离范围均大于鼻侧,颞侧SRF区HFL光反射信号均高于鼻侧;4眼为鼻侧抬高位图像,3眼颞侧脱离范围大于鼻侧,两侧SRF区HFL呈基本对等的光反射信号,1眼鼻侧脱离范围大于颞侧,鼻侧SRF区HFL光反射信号高于颞侧;4眼为颞侧抬高位图像,3眼鼻侧脱离范围大于颞侧,两侧SRF区HFL呈基本对等的光反射信号,1眼鼻侧脱离范围和高度均大于颞侧,鼻侧SRF区HFL光反射信号高于颞侧。CSC视网膜神经上皮层呈不规则形脱离9眼,SRF区HFL呈边界1型7眼,占77.78%;呈边界2型5眼,占55.56%;呈完全高反射型6眼,占66.67%;呈低反射型4眼,占44.44%;呈模糊型2眼,占22.22%。其中7眼脱离的视网膜神经上皮层走行欠平滑,HFL表现类型随视网膜神经上皮层走向的改变而改变;2眼视网膜神经上皮层脱离低平,抬高侧光反射信号略低于压低侧。结论CSC的SD-OCT图像中SRF区HFL主要呈边界1型和完全高反射型。HFL表现类型受OCT图像倾斜方位,病程,视网膜神经上皮层脱离区的对称性、范围、高度和走向特征的影响而呈规律性改变。
基金National Health and Medical Research Council (NHMRC) Australia (to VG)。
文摘Examining the retinal tissue has the potential to provide a unique method and technique to quantify Alzheimer’s disease-related changes in participants at various stages of the disease.In this metaanalysis,we aimed to investigate the association of various optical coherence tomography parameters with Alzheimer’s disease and whether retinal measurements can be used to diffe rentiate between Alzheimer’s disease and control subjects.Scientific databases including Google Schola r,Web of Science,and PubMed were systematically searched for published articles that evaluated retinal nerve fiber layer thickness and retinal microvascular network in Alzheimer’s disease and control subjects.Seventy-three studies(5850 participants,including 2249 Alzheimer’s disease patients and 3601controls) were included in this meta-analysis.Relative to controls,Alzheimer’s disease patients had a significantly lower global retinal nerve fiber layer thickness(standardized mean difference [SMD]=-0.79,95% confidence intervals [CI]:-1.03 to-0.54,P <0.00001) as well as each quadrant being thinner in Alzheimer’s disease versus controls.Regarding macular paramete rs,values measured by optical coherence tomography were significantly lower in Alzheimer’s disease than controls for macular thickness(pooled SMD:-0.44,95% CI:-0.67 to-0.20,P=0.0003),foveal thickness(pooled SMD=-0.39,95% CI:-0.58 to-0.19,P <0.0001),ganglion cell inner plexiform layer(SMD=-1.26,95% CI:-2.24 to-0.27,P=0.01) and macular volume(pooled SMD=-0.41,95% CI-0.76 to-0.07,P=0.02).Analysis using optical coherence tomography angiography parameters revealed mixed results between Alzheimer’s disease and controls.Superficial vessel density(pooled SMD=-0.42,95% CI:-0.68 to-0.17,P=0.0001) and deep vessel density(pooled SMD=-0.46,95% CI:-0.75 to-0.18,P=0.001) were found to be thinner in Alzheimer’s disease patients whereas the foveal avascular zone(SMD=0.84,95% CI:0.17-1.51,P=0.01) was larger in controls.Vascular density and thickness of various retinal laye rs were decreased in Alzheimer’s disease patients compared to controls.Our results provide evidence for optical coherence tomography technology having the potential to detect retinal and microvascular changes in patients diagnosed with Alzheimer’s disease and aid in monito ring and early diagnosis methods.
基金Siipported by Foundation of Shanghai Municipal Health Bureau(20124161)
文摘Objective To determine the changes of retina nerve fiber thickness with optical coherence tomography(OCT) in Alzheimer’s disease(AD) patients.Methods OCT was used to measure the thickness of retinal nerve fiber layer(RNFL) from 38 AD patients and 26 healthy age-matched controls.The corrected visual acuity and intraocular pressure were measured and the dilated fundus examinations were also performed in those subjects.Results Compared with healthy age-matched controls,the RNFL thickness of AD patients(95.40±29.45) were much thinner than the controls(105.91±29.87)(P <().05),especially in superior quadrant,while no difference was found in the other retinal area.Conclusion Retinal nerve degeneration may be present in the retina of AD patients and this degeneration is likely localized preferentially to the superior quadrant.
