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Progress in non-invasive detection of liver fibrosis 被引量:43
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作者 Chengxi Li Rentao Li Wei Zhang 《Cancer Biology & Medicine》 SCIE CAS CSCD 2018年第2期124-136,共13页
Liver fibrosis is an important pathological precondition for hepatocellular carcinoma.The degree of hepatic fibrosis is positively correlated with liver cancer.Liver fibrosis is a series of pathological and physiologi... Liver fibrosis is an important pathological precondition for hepatocellular carcinoma.The degree of hepatic fibrosis is positively correlated with liver cancer.Liver fibrosis is a series of pathological and physiological process related to liver cell necrosis and degeneration after chronic liver injury,which finally leads to extracellular matrix and collagen deposition.The early detection and precise staging of fibrosis and cirrhosis are very important for early diagnosis and timely initiation of appropriate therapeutic regimens.The risk of severe liver fibrosis finally progressing to liver carcinoma is&gt;50%.It is known that biopsy is the gold standard for the diagnosis and staging of liver fibrosis.However,this method has some limitations,such as the potential for pain,sampling variability,and low patient acceptance.Furthermore,the necessity of obtaining a tissue diagnosis of liver fibrosis still remains controversial.An increasing number of reliable non-invasive approaches are now available that are widely applied in clinical practice,mostly in cases of viral hepatitis,resulting in a significantly decreased need for liver biopsy.In fact,the noninvasive detection and evaluation of liver cirrhosis now has good accuracy due to current serum markers,ultrasound imaging,and magnetic resonance imaging quantification techniques.A prominent advantage of the non-invasive detection and assessment of liver fibrosis is that liver fibrosis can be monitored repeatedly and easily in the same patient.Serum biomarkers have the advantages of high applicability(〉95%)and good reproducibility.However,their results can be influenced by different patient conditions because none of these markers are liver-specific.The most promising techniques appear to be transient elastography and magnetic resonance elastography because they provide reliable results for the detection of fibrosis in the advanced stages,and future developments promise to increase the reliability and accuracy of the staging of hepatic fibrosis.This article aims to describe the recent progress in the development of non-invasive assessment methods for the staging of liver fibrosis,with a special emphasize on computer-aided quantitative and deep learning methods. 展开更多
关键词 Liver fibrosis non-invasive detection computer-aided quantitative deep learning
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Study on non-invasively detecting of prenatal fetal ABO and Rh(D)blood groups by flow cytometry (FCM)
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《中国输血杂志》 CAS CSCD 2001年第S1期384-,共1页
关键词 ABO Study on non-invasively detecting of prenatal fetal ABO and Rh D)blood groups by flow cytometry FCM flow
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Diagnostic aids for detection of oral precancerous conditions 被引量:15
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作者 Diana V Messadi 《International Journal of Oral Science》 SCIE CAS CSCD 2013年第2期59-65,共7页
Oral cancer has a tendency to be detected at late stage which is detrimental to the patients because of its high mortality and morbidity rates. Early detection of oral cancer is therefore important to reduce the burde... Oral cancer has a tendency to be detected at late stage which is detrimental to the patients because of its high mortality and morbidity rates. Early detection of oral cancer is therefore important to reduce the burden of this devastating disease. In this review article, the most common oral precancerous lesions are discussed and the importance of early diagnosis is emphasized. In addition, the most common non-invasive oral cancer devices that can aid the general practitioners in early diagnosis are also discussed. 展开更多
关键词 early diagnosis non-invasive detection tools oral precancerous lesions
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Mural Defects Detection with Enhanced Terahertz Images
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作者 Min-Jie Yuan Wen-Feng Sun +4 位作者 Xin-Ke Wang Jia-Sheng Ye Sen Wang Qun-Xi Zhang Yan Zhang 《Journal of Electronic Science and Technology》 CAS CSCD 2016年第4期337-342,共6页
In mausoleum murals, existing bubbles are one kind of the most harmful defects for the repair and protection of relics. For this reason, it is necessary to detect bubbles, especially the ones with small size. A method... In mausoleum murals, existing bubbles are one kind of the most harmful defects for the repair and protection of relics. For this reason, it is necessary to detect bubbles, especially the ones with small size. A method to detect the small bubbles with enhanced terahertz (THz) images is proposed. To simulate the bubbles in the mausoleum murals, circular grooves have been hidden in the plaster and then measured by the THz reflected time domain spectroscopy imaging system. To observe the small bubbles in murals, a comprehensive enhancement algorithm is adopted to process the obtained THz images. With the enhanced method, the circular grooves in the murals can be observed clearly, even for the circular groove with a diameter of 1.5 mm. The results indicate that the proposed comprehensive method can be used to detect the tiny defects of murals. 展开更多
关键词 Comprehensive enhancement algorithm MURALS non-invasive detection terahertz tomography.
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Non-invasive Prenatal Gene Diagnosis: Progress through Cell-free Fetal DNA and RNA in Maternal Plasma and Urine
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作者 GUO Xun-yang, GUO Yi-bin ( Department of Medical Genetics, Zhongshan School of Medicine, SUN Yat-Sen University, Guangzhou 510080, China ) 《中山大学学报(医学科学版)》 CAS CSCD 北大核心 2008年第S2期140-142,共3页
Non-invasive prenatal gene diagnosis has been developed rapidly in the recent years, and numerous medical researchers are focusing on it. Such techniques could not only achieve prenatal diagnosis accurately, but also ... Non-invasive prenatal gene diagnosis has been developed rapidly in the recent years, and numerous medical researchers are focusing on it. Such techniques could not only achieve prenatal diagnosis accurately, but also prevent tangential illness in fetuses and thus, reduce the incidence of diseases. Moreover, it is non-invasive prenatal gene diagnosis that prevents potential threaten and danger to both mothers and fetuses. Therefore, it is welcomed by clinical gynecologist and obstetrian, researchers of medical genetics, and especially, pregnancies. This review article touches briefly on the advanced development of using cell-free DNA, RNA in maternal plasma and urine for non-invasive prenatal gene diagnosis. 展开更多
关键词 non-invasive prenatal gene diagnosis CELL-FREE fetal DNA and RNA DNA and RNA detection MATERNAL URINE MATERNAL plasma
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Non-Invasive Approaches for Oral Potential Malignant Disorders Surveillance: A Review
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作者 Jiaying Zhou Quan Liu +2 位作者 Xianyue Ren Bin Cheng Tong Wu 《Advances in Bioscience and Biotechnology》 2020年第5期188-205,共18页
Oral potential malignant disorders (OPMDs), a series of local diseases with carcinogenic potential occurred in oral mucosa, have the possibility of developing into oral cancer. Effective diagnosis and surveillance at ... Oral potential malignant disorders (OPMDs), a series of local diseases with carcinogenic potential occurred in oral mucosa, have the possibility of developing into oral cancer. Effective diagnosis and surveillance at the early stage of OPMDs may be of help for interrupting the malignant transformation. In this review, we introduced the available non-invasive approaches of detecting the suspicious lesions, including vital staining, oral cytology, optical detection, saliva biomarkers detection, and image analysis, which can enhance the detection efficiency for the early diagnosis and surveillance of OPMDs. However, limitations which restrict the clinical application of these approaches still exist. How to improve the sensitivity and specificity of these techniques deserves further detailed study. 展开更多
关键词 ORAL Potential MALIGNANT DISORDERS non-invasive detection APPROACHES MALIGNANT Transformation Early Diagnosis SURVEILLANCE
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Anemia status of infants and young children aged six to thirty-six months in Ma'anshan City:A retrospective study
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作者 Xue-Mei Wang Qiong-Yao Wang Jie Huang 《World Journal of Clinical Cases》 SCIE 2023年第28期6744-6753,共10页
BACKGROUND Anemia in infants and young children can have long-term effects on cognitive and physical development.In Ma'anshan City,China,there has been growing concern about the prevalence of anemia among children... BACKGROUND Anemia in infants and young children can have long-term effects on cognitive and physical development.In Ma'anshan City,China,there has been growing concern about the prevalence of anemia among children aged 6 to 36 mo.Understanding the factors influencing this condition is crucial for targeted interventions and improving overall child health in the region.AIM To analyze the anemia status and influencing factors of infants and young children aged 6 to 36 mo in Ma'anshan City,China.Providing scientific evidence for reducing the incidence of anemia and improving the health level of children in this age group.METHODS The study encompassed 37698 infants and young children,aged from 6 to 36 mo,who underwent health examinations at the Ma'anshan Maternal and Child Health Hospital from January 2018 to October 2022 were included in the study.Basic information,physical examination,and hemoglobin detection data were collected.Descriptive analysis was used to analyze the prevalence of anemia in children in the region,and univariate analysis was used to analyze the influencing factors of anemia.RESULTS The mean hemoglobin level of infants and young children aged 9 to 36 mo increased with age,and the anemia detection rate decreased with age.The anemia detection rate in rural infants aged 6,9,and 12 mo was higher than that in urban infants.Although the anemia detection rate was higher in 6-mo-old boys than girls,it was higher in 24-mo-old girls than boys.There were statistically significant differences in the anemia detection rates among 9-mo-old and 12-mo-old infants with different nutritional statuses(emaciation,overweight,obese,and normal).Moreover,there were no statistically significant differences in anemia detection rates among infants and young children with different nutritional statuses at other ages.Besides,the anemia detection rates in obese infants aged 9 and 12 mo were higher than those in normal and overweight infants,with statistically significant differences.Finally,there were no statistically significant differences in the anemia detection rates between emaciation infants and those with other nutritional statuses.CONCLUSION The anemia situation among infants and young children aged 6 to 36 mo in Ma'anshan City,China,is relatively prominent and influenced by various factors.Our result shown that attention should be paid to the anemic infant and young child population,with strengthened education and targeted prevention and dietary guidance to help them establish good living habits,improve nutritional status,and reduce the occurrence of anemia to improve children's health levels. 展开更多
关键词 INFANTS CHILDREN anemia HEMOGLOBIN anemia detection rates
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鸡群中鸡传染性贫血病原与抗体检测及分离株VP1基因序列分析 被引量:2
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作者 冯笑艳 胡明雪 +10 位作者 林雨萌 刘长军 李凯 祁小乐 崔红玉 高立 王素艳 陈运通 王笑梅 张艳萍 高玉龙 《中国家禽》 北大核心 2024年第2期52-58,共7页
为了解鸡群中鸡传染性贫血病毒(CAV)感染及抗体产生情况,从黑龙江省两个无临床症状鸡群(B群和S群)中,分别采集血清通过ELISA方法进行抗体检测,采集抗凝血并分离淋巴细胞,针对基因组保守序列设计引物,通过PCR方法进行病原检测,并对从B群... 为了解鸡群中鸡传染性贫血病毒(CAV)感染及抗体产生情况,从黑龙江省两个无临床症状鸡群(B群和S群)中,分别采集血清通过ELISA方法进行抗体检测,采集抗凝血并分离淋巴细胞,针对基因组保守序列设计引物,通过PCR方法进行病原检测,并对从B群病原阳性鸡分离到的分离株进行VP1基因序列分析。结果显示,B群和S群CAV抗体阳性率分别为62.7%(79/126)和68.2%(88/129),病原阳性率分别为43.0%(49/114)和62.3%(48/77),其中,B群和S群中抗体和病原双阴性的鸡分别为23.7%(27/114)和15.6%(12/77),而抗体和病原双阳性的鸡分别高达28.1%(32/114)和46.8%(36/77);在双阳性鸡中,B群和S群分别有62.5%(20/32)和58.3%(21/36)抗体滴度在1.0×10^(4)及以上,从B群病原阳性鸡全血中分离到一株CAV(HLJ/2022株),分离株HLJ/2022第394位氨基酸为谷氨酰胺,具有强毒的分子特征;两个鸡群的环境拭子CAV阳性率为10.0%(3/30),存在于消毒前的鸡蛋表面、更衣处和鞋底。研究表明,检测鸡群的CAV抗体阳性率在62.7%以上,病原阳性率在43.0%以上,抗体滴度在1.0×104及以上CAV仍可存在,CAV流行株(HLJ/2022)具有强毒分子特征,鸡群环境中存在CAV污染,结果为CIA防控提供重要的参考意见。 展开更多
关键词 鸡传染性贫血病毒 血清学检测 病原学检测 病毒分离鉴定 VP1基因序列分析
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基于移动端的非侵入式贫血检测系统研究与设计
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作者 张盛 胡国清 +4 位作者 陈佳 付西敏 赵芮 王莛昱 刘丹 《计算机测量与控制》 2024年第11期63-71,共9页
针对全球范围内的贫血健康问题,以及传统侵入式贫血检测会带来的不适,设计了一种基于结膜图像的非侵入式贫血检测系统,结合了图像处理算法和移动端开发技术,实现方便快捷的非侵入式贫血检测;通过数据集的构建与数据清洗、去光点、数据... 针对全球范围内的贫血健康问题,以及传统侵入式贫血检测会带来的不适,设计了一种基于结膜图像的非侵入式贫血检测系统,结合了图像处理算法和移动端开发技术,实现方便快捷的非侵入式贫血检测;通过数据集的构建与数据清洗、去光点、数据增强等预处理方法,在分类算法ResNet34基础上,改进残差块以提高网络对关键信息的学习能力,使用卷积层组的整体跳跃连接,便于深层信息和浅层信息的融合;开发了一款非侵入式贫血检测微信小程序,适用于日常的贫血检测;实验结果表明改进后的结膜贫血分类方法同原始基线网络和其他经典分类网络相比,分类效果更好,分类准确率、精确度、召回率和F_(1)分数分别达到了0.918、0.940、0.888和0.913,经实际应用移动端软件达到了完全识别的效果;表明该系统具有较强的分类准确性和可用性,也为非侵入式贫血检测提供了有益的参考。 展开更多
关键词 贫血检测 微信小程序开发 图像分类 健康监护 未病先防
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Detection of anemia using conjunctiva images:A smartphone application approach 被引量:1
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作者 Peter Appiahene Enoch Justice Arthur +3 位作者 Stephen Korankye Stephen Afrifa Justice Williams Asare Emmanuel Timmy Donkoh 《Medicine in Novel Technology and Devices》 2023年第2期169-180,共12页
Anemia is one of the public health issues that affect children and pregnant women globally.Anemia occurs when the level of red blood cells within the body is reduced.Detecting anemia requires expert blood draw for cli... Anemia is one of the public health issues that affect children and pregnant women globally.Anemia occurs when the level of red blood cells within the body is reduced.Detecting anemia requires expert blood draw for clinical analysis of hemoglobin quantity.Although this standard method is accurate,it is costive and consumes enough time,unlike the non-invasive approach which is cost-effective and takes less time.This study focused on pallor analysis and used images of the conjunctiva of the eyes to detect anemia using machine learning techniques.This study used a publicly available dataset of 710 images of the conjunctiva of the eyes acquired with a unique tool that eliminates any interference from ambient light.We combined Convolutional Neural Networks,Logistic Regression,and Gaussian Blur algorithm to develop a conjunctiva detection model and an anemia detection model which runs on a Fast API server connected to a frontend mobile app built with React Native.The developed model was embedded into a smartphone application that can detect anemia by capturing and processing a patient's conjunctiva with a sensitivity of 90%,a specificity of 95%,and an accuracy of 92.50%on average performance in about 50 s. 展开更多
关键词 anemia detection Pallor analysis CONJUNCTIVA Machine learning Red blood cells
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Application of ensemble models approach in anemia detection using images of the palpable palm
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作者 Peter Appiahene Samuel Segun Dzifa Dogbe +4 位作者 Emmanuel Edem Yaw Kobina Philip Sackey Dartey Stephen Afrifa Emmanuel Timmy Donkoh Justice Williams Asare 《Medicine in Novel Technology and Devices》 2023年第4期76-86,共11页
Anemia is a public health issue with serious ramifications for human health globally.Anemia particularly affects pregnant women and children from 6 to 59 months old even though every individual is at risk.Anemia occur... Anemia is a public health issue with serious ramifications for human health globally.Anemia particularly affects pregnant women and children from 6 to 59 months old even though every individual is at risk.Anemia occurs when the Hb level is below its normal threshold or when the red blood cells are weakened or destroyed.To discover medical remedies on time,early detection or diagnosis of anemia assist patients to understand their condition.The invasive approach for anemia detection is costive and time-consuming as compared to the non-invasive approach which is reliable and suitable for developing communities where medical resources and personnel are inadequate.This study uses palpable palm images(dataset)collected from 710 participants in selected hospitals in Ghana.The images were extracted,segmented and converted into RGB percentile to train,validate and tested the machine learning models.A hybrid model was developed with the application of ensemble learning models using the R programming language on the R Studio platform.Stacking,voting,boosting and bagging ensemble model techniques were used to build the hybrid models,the stacking ensemble model achieved an accuracy of 99.73%.The study justifies that ensemble models are efficient for medical disease diagnosis or detection such as anemia. 展开更多
关键词 Machine learning anemia detection Ensemble learning ALGORITHMS
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Non-invasive detection of pancreatic cancer by measuring DNA methylation of Basonuclin 1 and Septin 9 in plasma 被引量:2
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作者 Xiao-Bin Li Jun Ma +9 位作者 Zi-Wen Liu Wen-Fei He Zong-Ze Li Ming Cui Huang Hao Guang-Peng Zhou Lei You James Wang Xiao-Liang Han Yu-Pei Zhao 《Chinese Medical Journal》 SCIE CAS CSCD 2019年第12期1504-1506,共3页
Pancreatic cancer (PC), a deadly malignancy with an overall 5-year survival rate of 5% to 15%, is ranked as the seventh leading cause of cancer death in the world in spite of its low occurrence rate.[1,2] Early detect... Pancreatic cancer (PC), a deadly malignancy with an overall 5-year survival rate of 5% to 15%, is ranked as the seventh leading cause of cancer death in the world in spite of its low occurrence rate.[1,2] Early detection appears to be the most effective approach to improve the overall survival of patients with PC. However, the difficulty in early detection of PC is a lack of specific symptoms and reliable biomarkers. Currently, carbohydrate antigen 19-9 (CA 19-9) is a serum biomarker that is widely used in PC detection. However, 10% of patients with PC cannot produce CA 19-9 and serum CA 19-9 is frequently absent in patients with early-stage cancer. Furthermore, CA 19-9 is often found to be elevated in benign conditions or in other cancers, making its utility limited. Therefore, it is important to identify new diagnostic biomarkers to improve PC detection. 展开更多
关键词 non-invasive detection PANCREATIC cancer MEASURING DNA METHYLATION
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血常规红系统相关指标联合铁指标在鉴别诊断缺铁性贫血的价值
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作者 张文萍 钟嘉玲 +5 位作者 张秋萍 张仲明 罗燕婷 杨燕梅 余志勇 曲久鑫 《实验与检验医学》 2023年第5期549-553,共5页
目的探讨血常规中红细胞相关指标及网织红细胞绝对值联合铁指标在诊断缺铁性贫血(Iron Deficiency Anemia,IDA)的价值。方法回顾性收集我院84例诊断为缺铁性贫血的患者作为缺铁贫组,61例经PCR诊断为地中海贫血的患者为地贫组以及100例... 目的探讨血常规中红细胞相关指标及网织红细胞绝对值联合铁指标在诊断缺铁性贫血(Iron Deficiency Anemia,IDA)的价值。方法回顾性收集我院84例诊断为缺铁性贫血的患者作为缺铁贫组,61例经PCR诊断为地中海贫血的患者为地贫组以及100例体检健康人群作为健康对照组,检测各组的红细胞计数(RBC)、血红蛋白浓度(HGB)、红细胞平均体积(MCV)、红细胞平均血红蛋白量(MCH)、红细胞分布宽度(RDW)、网织红细胞绝对值(RET#)、铁蛋白(FER)、血清铁(FE)、转铁蛋白(TF)进行统计学比较。对各组有差异的指标进行ROC曲线分析评价其诊断效能,得出其灵敏度、特异度。结果缺铁贫组和地贫组的HGB、MCV和MCH皆低于健康对照组(P<0.05);缺铁贫组的RDW相对地贫组和健康对照组均高(P<0.05);缺铁贫组的RBC、FER、FE相对地贫组和健康对照组均低(P<0.05);地贫组的RBC和RET#相对缺铁贫组和健康对照组高(P<0.05)。三组数据TF差异无统计学意义。RBC(AUC:0.749)、RDW(AUC:0.901)、FER(AUC:0.951)、FE(AUC:0.984)指标对诊断IDA具有较好的灵敏度和特异性。结论RBC、RDW联合FER、FE指标对IDA的诊断意义重大,RET#不作为诊断缺铁性贫血IDA的指标。 展开更多
关键词 血常规 网织红细胞绝对值 铁生化指标 缺铁性贫血 地中海贫血
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Chi-squared Automatic Interaction Detection Decision Tree Analysis of Risk Factors for Infant Anemia in Beijing, China 被引量:9
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作者 Fang Ye Zhi-Hua Chen +4 位作者 Jie Chen Fang Liu Yong Zhang Qin-Ying Fan Lin Wang 《Chinese Medical Journal》 SCIE CAS CSCD 2016年第10期1193-1199,共7页
Background: In the past decades, studies on infant anemia have mainly focused on rural areas of China. With the increasing heterogeneity of population in recent years, available information on infant anemia is inconc... Background: In the past decades, studies on infant anemia have mainly focused on rural areas of China. With the increasing heterogeneity of population in recent years, available information on infant anemia is inconclusive in large cities of China, especially with comparison between native residents and floating population. This population-based cross-sectional study was implemented to determine the anemic status of infants as well as the risk factors in a representative downtown area of Beijing. Methods: As useful methods to build a predictive model, Chi-squared automatic interaction detection (CHAID) decision tree analysis and logistic regression analysis were introduced to explore risk factors of infant anemia. A total of 1091 infants aged 6-12 months together with their parents/caregivers living at Heping Avenue Subdistrict of Beijing were surveyed from January 1,2013 to December 31, 2014. Results: The prevalence of anemia was 12.60% with a range of 3.47%-40.00% in different subgroup characteristics. The CHAID decision tree model has demonstrated multilevel interaction among risk factors through stepwise pathways to detect anemia. Besides the three predictors identified by logistic regression model including maternal anemia during pregnancy, exclusive breastfeeding in the first 6 months, and floating population, CHAID decision tree analysis also identified the fourth risk factor, the maternal educational level, with higher overall classification accuracy and larger area below the receiver operating characteristic curve. Conclusions: The infant anemic status in metropolis is complex and should be carefully considered by the basic health care practitioners. CHAID decision tree analysis has demonstrated a better performance in hierarchical analysis of population with great heterogeneity. Risk factors identified by this study might be meaningful in the early detection and prompt treatment of infant anemia in large cities. 展开更多
关键词 Chi-squared Automatic Interaction detection Decision Tree Analysis Infant anemia Logistic Regression Analysis
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血浆D-二聚体水平在肿瘤相关性贫血患者输血治疗中的检测价值
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作者 杨秋兰 孙建良 《中国卫生标准管理》 2023年第12期113-116,共4页
目的对肿瘤相关性贫血(cancer related anemia,CRA)患者进行输血治疗后,分析通过血浆D-二聚体水平的检测对患者进行评估的临床应用价值。方法将太仓市中医医院于2020年6月—2022年6月收治的48例恶性肿瘤伴C R A患者作为研究对象,所有患... 目的对肿瘤相关性贫血(cancer related anemia,CRA)患者进行输血治疗后,分析通过血浆D-二聚体水平的检测对患者进行评估的临床应用价值。方法将太仓市中医医院于2020年6月—2022年6月收治的48例恶性肿瘤伴C R A患者作为研究对象,所有患者均进行输血治疗。检测输血前、后患者血浆D-二聚体水平,比较不同输血前血浆D-二聚体水平、不同输血治疗效果、不同单次输血量及不同输血次数患者输血后的血浆D-二聚体水平。结果输血治疗后血浆D-二聚体水平均高于输血前,差异均有统计学意义(P<0.05)。单次输血量<2 U的患者输血前后血浆D-二聚体水平比较差异无统计学意义(P>0.05),输血量≥2 U的患者输血后血浆D-二聚体水平明显升高,差异有统计学意义(P<0.05)。不同输血次数输血3 U患者输血后血浆D-二聚体水平均明显升高,差异均有统计学意义(P<0.05)。结论恶性肿瘤伴CRA患者进行输血治疗后,血浆D-二聚体水平会出现变化,将其作为评估治疗贫血效果的指标是有临床意义的,也能够为肿瘤患者制定合理的输血方案提供依据和参考。 展开更多
关键词 肿瘤患者 肿瘤相关性贫血 输血 血浆D-二聚体 检测 评估价值
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血清铁蛋白、可溶性转铁蛋白受体、维生素B_(12)在胃癌合并贫血患者中的检测意义
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作者 黄江瑞 《中外医学研究》 2023年第18期76-79,共4页
目的:探讨血清铁蛋白(SF)、可溶性转铁蛋白受体(sTfR)、维生素B_(12)(Vit B_(12))在胃癌合并贫血患者中的检测意义。方法:回顾性分析2020年8月—2022年8月在安溪县医院进行治疗的50例胃癌患者的临床资料,所有患者入院后均行血常规检测,... 目的:探讨血清铁蛋白(SF)、可溶性转铁蛋白受体(sTfR)、维生素B_(12)(Vit B_(12))在胃癌合并贫血患者中的检测意义。方法:回顾性分析2020年8月—2022年8月在安溪县医院进行治疗的50例胃癌患者的临床资料,所有患者入院后均行血常规检测,依据血红蛋白(Hb)检测结果将50例患者分为贫血组(n=22)与未贫血组(n=28),比较两组SF、sTfR、Vit B_(12)水平,绘制SF、sTfR、Vit B_(12)诊断胃癌合并贫血的受试者工作特征(ROC)曲线下的面积(AUC)以评估其诊断价值,并分析SF、sTfR、Vit B_(12)与Hb相关性。结果:贫血组Hb、SF、Vit B_(12)水平低于未贫血组,sTfR水平高于未贫血组,差异有统计学意义(P<0.05)。绘制SF、sTfR、Vit B_(12)诊断胃癌合并贫血的ROC曲线,结果显示其AUC分别为0.864、0.860、0.839(P<0.05),Pearson相关性分析,Hb与SF、Vit B_(12)呈正相关(P<0.05),与sTfR呈负相关(P<0.05)。结论:胃癌患者SF、sTfR、Vit B_(12)水平与Hb存在相关性,胃癌合并贫血患者SF、Vit B_(12)呈低水平表达,sTfR呈高水平表达,SF、sTfR、Vit B_(12)对胃癌合并贫血均有一定诊断价值。 展开更多
关键词 血清铁蛋白 可溶性转铁蛋白受体 维生素B_(12) 胃癌 贫血 检测意义
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平均红细胞体积、红细胞分布宽度在缺铁性贫血、巨幼细胞性贫血鉴别诊断中的应用
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作者 刘民军 陈冬华 贺小林 《四川生理科学杂志》 2023年第10期1849-1852,共4页
目的:分析平均红细胞体积(Mean Corpuscular Volume,MCV)、红细胞分布宽度(Red Cell Distribution Width,RDW)在巨幼细胞性贫血(Megaloblastic Anemia,MGA)、缺铁性贫血(Iron Deficiency Anemia,IDA)鉴别诊断中的应用效果。方法:回顾性... 目的:分析平均红细胞体积(Mean Corpuscular Volume,MCV)、红细胞分布宽度(Red Cell Distribution Width,RDW)在巨幼细胞性贫血(Megaloblastic Anemia,MGA)、缺铁性贫血(Iron Deficiency Anemia,IDA)鉴别诊断中的应用效果。方法:回顾性选取2018年1月至2022年10月本院收治的97例贫血患者为研究对象,根据不同的贫血类型分为MGA组(n=44)和IDA组(n=53),并选取同期体检的68例健康人群,将其纳入对照组。对比三组受检者MCV、RDW等参数,并分析MCV、RDW单独检测与联合检测结果。结果:MGA组MCV、RDW明显高于对照组(P<0.05)。IDA组MCV明显低于对照组、RDW明显高于对照组(P<0.05)。MGA组和IDA组RDW值比较无明显差异(P>0.05)。在MGA、IDA疾病的鉴别诊断中,MCV、RDW联合检测的灵敏度明显高于MCV、RDW单独检测(P<0.05)。结论:在MGA和IDA的鉴别诊断中,MCV、RDW参数具有较高的应用价值,二者联合检测具有较高的灵敏度,值得临床推广应用。 展开更多
关键词 MCV RDW 联合检测 巨幼细胞性贫血 缺铁性贫血
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家禽活疫苗中鸡传染性贫血病毒PCR检测方法的建立 被引量:17
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作者 邵红霞 王平平 +3 位作者 武敏 金文杰 钱琨 秦爱建 《中国家禽》 北大核心 2012年第21期28-30,共3页
为建立不依赖于病毒分离的快速,特异的禽活疫苗中鸡传染性贫血病毒(CAV)监测方法,本研究建立了CAV的PCR检测方法。试验表明:该PCR不仅具有良好的CAV特异性,且检测灵敏度达3.98个TCID50/反应。用该方法监测9份随机抽取的商品禽用活疫苗发... 为建立不依赖于病毒分离的快速,特异的禽活疫苗中鸡传染性贫血病毒(CAV)监测方法,本研究建立了CAV的PCR检测方法。试验表明:该PCR不仅具有良好的CAV特异性,且检测灵敏度达3.98个TCID50/反应。用该方法监测9份随机抽取的商品禽用活疫苗发现,其中2份活疫苗呈PCR强阳性。以上结果表明,本研究建立的鸡传染性贫血病毒PCR检测方法具有特异、敏感等特点,能用于禽用活疫苗中CAV污染的快速监测。 展开更多
关键词 鸡传染性贫血病毒 PCR 疫苗 监测
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三种生化法和基因检测诊断G6PD缺陷症 被引量:5
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作者 张渝美 邓兵 +4 位作者 王世一 朱静 陈华琼 徐酉华 徐天鹤 《第三军医大学学报》 CAS CSCD 北大核心 2002年第3期352-353,共2页
目的 联合三种生化法和基因检测对G6PD缺陷症进行诊断 ,以提高这种儿科临床常见溶血性疾病的确诊率。方法 采用高铁血红蛋白还原试验、G6PD活性试验、G6PD定量比值法三种生化实验并联合应用南方地区常见的三种G6PD基因突变检测对急性... 目的 联合三种生化法和基因检测对G6PD缺陷症进行诊断 ,以提高这种儿科临床常见溶血性疾病的确诊率。方法 采用高铁血红蛋白还原试验、G6PD活性试验、G6PD定量比值法三种生化实验并联合应用南方地区常见的三种G6PD基因突变检测对急性溶血患儿 5 7例进行诊断。结果  5 7例患儿中 ,高铁血红蛋白还原率降低 5 2例 ,正常 5例 ;G6PD活性低下 5 1例 ,正常 6例 ;G6PD/ 6PGD降低 48例 ,正常 9例。三种生化检测阳性率分别为 91 2 %、89 5 %和 84 2 % ;5 2例被检出存在基因突变 ,其中位点G13 88A 3 2例 (61 5 % )、G13 76T 16例 (3 0 8% )、A95G 4例 (7 7% )。另有 5例未能检测到有突变 ,估计属其它少见突变类型。 展开更多
关键词 急性溶血 G6PD缺陷症 生化检测 基因检测
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中国福建泉州地区地中海贫血基因突变类型分析 被引量:6
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作者 蒋燕成 陈紫萱 +1 位作者 陈雅斌 张志珊 《中国实验血液学杂志》 CAS CSCD 北大核心 2019年第6期1943-1948,共6页
目的:探讨泉州地区地中海贫血患者的基因突变类型以及常见地中海贫血基因携带率等,并分析其在泉州地区的分子流行病学特征。方法:选取并回顾性分析2017年1月至2018年10月在泉州市第一医院确诊为地中海贫血的患者546例基因突变类型及其... 目的:探讨泉州地区地中海贫血患者的基因突变类型以及常见地中海贫血基因携带率等,并分析其在泉州地区的分子流行病学特征。方法:选取并回顾性分析2017年1月至2018年10月在泉州市第一医院确诊为地中海贫血的患者546例基因突变类型及其携带率。结果:送检的4226例样品中,共检出阳性样品546例,地中海贫血基因总携带率为12.92%;其中α-地中海贫血基因携带率为8.16%;β-地中海贫血基因携带率为4.76%;检出的α-地中海贫血缺失型患者远比非缺失型患者多,以东南亚缺失型(--SEA/αα)最为常见,构成比为68.98%,其次为22.61%(-α3.7/αα)、2.61%(αWSα/αα)、2.32%(αCSα/αα)、2.32%(αQSα/αα)、1.16%(-α4.2/αα);检出9种β-地中海贫血基因突变类型,最常见的3种突变类型依次为IVSⅡ-654(C→T,42.29%)、CD41-42(-TTCT,33.83%)、CD17(A→T,12.94%)。并检测出2例--THAI/αα,1例αα/αααanti3.7和1例HKαα罕见基因突变类型。结论:本研究表明,泉州地区地中海贫血基因携带率较高,并具有多样性,可为泉州地区地中海贫血的预防和控制提供参考。 展开更多
关键词 地中海贫血 地中海贫血基因携带率 基因型 基因检测
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