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110 results about "High risk populations" patented technology

See risk population (below). the population which is composed of animals that are exposed to the pathogenic agent under discussion and are inherently susceptible to it. Called also population at risk. High or special risk groups are those which have had more than average exposure to the pathogenic agent.

Electrocardiogram signal classification and recognition method

The invention discloses an electrocardiogram signal classification and recognition method. The method comprises the following implementation steps that original electrocardiogram waveform data with the measurement duration of 10 seconds or above is acquired, electrocardiogram rhythm information and a PQRST waveform are extracted according to the original electrocardiogram waveform data, and digitalized data of the electrocardiogram rhythm information and the PQRST waveform is acquired; a convolutional neural network is designed and constructed and trained, the acquired PQRST waveform data is input from the input end of the trained convolutional neural network, and type data is acquired through classification of the convolutional neural network. According to the method, by means of the fitting capacity of the convolutional neural network to a complex nonlinear function, more accurate and effective classification of ECG signals is acquired, so that high risk population, sub-healthy population and undetermined-condition population of cardiovascular diseases are monitored in real time, electrocardiographic changes in normal life, work and activities are intelligently analyzed to help determine condition or catch electrocardiogram information of potential cardiac diseases, and an early warning effect is made on a patient.
Owner:GUANGZHOU CITY POLYTECHNIC

Electronic nose system for early detection of lung cancer

An electronic nose system for early detection of lung cancer comprises an exhaled air sampling system, a miniature sensor array and a signal preprocessing and pattern recognizing system, wherein the exhaled air sampling system is used for controlling air collection, circulation and rinsing; the miniature sensor array is used for collecting air response signals and converting the air response signals into electrical signals; the signal preprocessing and pattern recognizing system is used for signal processing, conversion and air identification and detection; the exhaled air sampling system comprises an air sampling device and an air chamber air passage unit; the miniature sensor array is encapsulated in the sensor air chamber of the air chamber air passage unit; and the signal preprocessing and pattern recognizing system is arranged outside the sensor air chamber and is connected with the miniature sensor array. The electronic nose system has the advantages of high sensitivity, high response speed, low cost, portability, and easiness in operation; a data base has excellent expandability; and the electronic nose system can be widely applied to early detection of lung cancer, monitoring after recovery and screening of high-risk populations.
Owner:SHANGHAI JIAO TONG UNIV

Sudden cardiac death mutant gene detection kit

The invention relates to the field of molecular biology and medical science, and in particularly relates to a sudden cardiac death mutant gene detection kit which is high in accuracy and good in predictability. The kit is used for performing polymorphism detection on 12 SNP sites of 8 major genes related to sudden cardiac death; three forward and reverse specific primers are respectively adopted for each SNP site by combining the characteristics of specific allelic gene PCR (polymerase chain reaction) and temperature gradient descent PCR; and the mutation of the 12 SNP sites can be simultaneously determined by virtue of program amplification of the temperature gradient descent PCR and agarose gel electrophoretic analysis. The detection kit provided by the invention is strong in specificity, high in detection rate, high in efficiency and low in cost, and can be used for screening high-risk population of sudden cardiac death, evaluating the risk degree of having the sudden cardiac death for a detected patient, and making clear pathogenic factors of patient sudden death from a gene level, thereby providing a new way of preventing, diagnosing and treating clinical sudden death.
Owner:谢怡

Preparation method of liquid phase protein chip

The present invention relates to the biologic technology field, and discloses a liquid phase albumen chip and the preparation and the usage method thereof which can simultaneously test human serum carcinoma embryonic antigen (CEA), Alpha fetoprotein (AFP), and hepatitis B surface antigen (HBsAg). The present invention couples the specificity antibody of CEA, AFP, and HBsAg on different fluorescence micro-spheres, and uses the test antibody marked by biotin or phycoerythrin to determine the nature quickly and quantitatively analyze the above three indexes with the double antibody sandwich method. The present invention uses the filtering membrane board when testing, and washes the board 3 times after each reaction is finished to increase the signal and improve the sensitivity. The present invention has high sensitivity, strong specificity, stable result, excellent repeatability, and simple operation; 1 micro liter serum sample can test three indexed simultaneously. The present invention is applicable to the health test and the general examination as well as the clinic test of the high risk population, and can facilitate the early diagnosis and the early treatment of the knub.
Owner:GUANGZHOU DARUI BIOTECH

Mental stress assessment and high-risk population intervention system oriented to undergraduates

The invention discloses mental stress assessment and high-risk population intervention system oriented to undergraduates. The mental stress assessment and high-risk population intervention system comprises a multi-mode brain function detecting device, a mobile terminal, a network server and a monitoring client-side, wherein the multi-mode brain function detecting device is connected with the mobile terminal through a Bluetooth signal, the mobile terminal is connected with the network server through a mobile internet, and the monitoring client-side is connected with the network server through the internet. The mental stress assessment and high-risk population intervention system is based on a mobile internet technology, adopts the multi-mode brain function detecting device to acquire brain blood oxygen signals and electroencephalogram signals of the undergraduates, utilizes the mobile terminal to receive the brain blood oxygen signals and electroencephalogram signals and input family mental disease histories and earlier-stage diagnosis information of the undergraduates, then uploads the data to the network server for data processing and analysis, generates corresponding diagnosis results, feeds the results back to the mobile terminal and the monitoring client-side, achieves early finding and early treatment of the mental diseases of the undergraduates and is beneficial to early warning and intervention of the mental diseases of the undergraduates.
Owner:SOUTH CHINA UNIV OF TECH +1

HPV-integrated gene sites related to occurrence of cervical carcinoma and application thereof

The invention relates to HPV-integrated gene sites related to occurrence of cervical carcinoma and a kit prepared based on the HPV-integrated gene sites related to occurrence of cervical carcinoma. Detection of high-risk populations of cervical carcinoma can be realized by extracting the DNA of cervical tissue of a subject, carrying out capturing and sequencing with a high flux virus, carrying out sequencing with PCR Sanger, detecting one or more arbitrary sites in the HPV-integrated gene sites in the DNA of the cervical tissue of the subject and calculating integration frequency. The kit prepared based on the HPV-integrated gene sites and used for detecting the high-risk populations of cervical carcinoma has the characteristics of accurate detection results, high sensitivity, etc.
Owner:武汉凯德维斯医学检验实验室有限公司

Method for analyzing serum metabolomics on basis of LC-MS (liquid chromatogram-mass spectrograph) serum metabolomics technology

ActiveCN104713971AAchieve the purpose of early screeningA large amountComponent separationHigh risk populationsPrincipal component analysis
The invention discloses a method for analyzing serum metabolomics on the basis of an LC-MS (liquid chromatogram-mass spectrograph) serum metabolomics technology. According to the method, serum is analyzed by constructing a serum metabolomics analysis model, and a model construction method comprises the following steps: collecting a healthy serum sample and an infected serum sample; performing LC-MS detection on the samples to obtain an original metabolic fingerprint; and preprocessing the fingerprint, sequentially performing PCA (principal component analysis) and PLS-DA (partial least squares-discriminant analysis) on an obtained two-dimensional matrix to obtain a PLS-DA model, verifying the obtained model, and if the model does not have over-fitting risks, finishing the model construction. By adopting the method disclosed by the invention, a serum metabolomics analytic technology is applied to early screening of esophageal cancer for the first time, high risk populations of the esophageal cancer can be quickly and conveniently screened out, the screening range of the esophageal cancer is reduced, the efficiency of screening the whole population of a high incidence area of the esophageal cancer is effectively improved, the screening cost is greatly reduced, and the pain caused by invasive endoscopy to part of the population is effectively avoided, so that the method has important economic and social benefits and is convenient to popularize and apply.
Owner:SHANDONG TUMOR HOSPITAL

A chronic disease management system and a realization method thereof on the basis of cloud computing and mobile Internet technology

The invention discloses a chronic disease management system and a realization method thereof on the basis of cloud computing and mobile Internet technology, and belongs to the computer science field.The system comprises a chronic disease management and health service platform, an individual self-service management system, a medical institution service management system, a health center service management system and a doctor service management system, wherein the individual self-service management system, the medical institution service management system, the health center service management system and the doctor service management system are connected with the chronic disease management and health service platform. The individual self-service management system is connected with the doctorservice management system and the medical institution service management system. The doctor service management system is connected with the health center service management system. On the basis of amulti-layer loose and coupled high-scalability configuration design and a service exchange framework technique, the management system based on cloud computing and mobile Internet technology improves the work efficiency of doctors, achieves effective disease management and health management for patients suffering from chronic diseases and high-risk populations, and reduces the incidence rate, the hospitalization rate, the re-hospitalization rate and the mortality rate of chronic diseases such as heart failures.
Owner:南京明时捷信息科技有限公司

Method for assisting gestation period diabetes genetic risk prediction based on artificial intelligence

The invention discloses a method for assisting gestation period diabetes genetic risk prediction based on artificial intelligence. The method comprises the following steps of acquiring and integrating patient body examination data and gene testing information, establishing a medical record database of the gestation period diabetes; performing preprocessing on data in the medical record database, namely performing segmenting a training-testing set, screening the medical record and filling vacancy values; extracting characteristics according to an information value and a Bayesian network, and constructing a characteristic set which is related with the gestation period diabetes genetic risk, performing modeling and diagnosis on the medical record data after characteristic screening based on a CatBoost model; searching a parameter value with optimal score by means of Grid Search, and performing cross validation by means of the training set. The method for assisting gestation period diabetes genetic risk prediction based on artificial intelligence can well applied to an actual medical environment according to the gene data and the body examination data, thereby finding out the gestation period diabetes high-risk population, saving expensive intervention time, realizing early intervention and changing a mother-and-fetus result.
Owner:深圳市江行智慧能源科技有限公司

Construction method and construction system for type 2 diabetes mellitus risk assessment model

The invention discloses a construction method and a construction system for a type 2 diabetes mellitus risk assessment model. The method comprises the following steps that: (1) selecting an SNP (Single Nucleotide Polymorphisms) locus related to type 2 diabetes mellitus; (2) calculating the risk degree, i.e., an OR (Odds Ratio) value, of the SNP locus; (3) calculating the frequency of the SNP locus in an East Asia population; (4) calculating the epidemiology prevalence rate of the type 2 diabetes mellitus; and (5) according to a Bayesian algorithm and a Hardy-Weinberg equilibrium principle, constructing the risk assessment model. The model of the invention calculates the mathematical expectation value and the OR value of the risk allele amount of the population, the epidemiology prevalence rate of the type 2 diabetes mellitus is combined to obtain the average prevalence rate and the confidence interval of a group on the basis of inheritance, a new construction method for the type 2 diabetes mellitus risk assessment model is provided, so that the prevalence risk of the type 2 diabetes mellitus more approaches to a true situation, and a result is more scientific and reasonable. By use of the method, high-risk population screening accuracy is improved, the prevalence rate of the type 2 diabetes mellitus is expected to be lowered, and a great quantity of expenditures can be saved for the nation and society so as to benefit the nation and the people.
Owner:云健康基因科技(上海)有限公司

Optimizing mass spectrogram model for detecting breast cancer characteristic protein and preparation method and application thereof

The invention relates to an optimum mass spectrometry model and a preparation method thereof for detecting the feature protein of breast cancer, belonging to the field of mass spectrometry detection technique. The invention is characterized in that eight up-regulated proteins and three lower-regulated proteins are screened from the blood serum to be used as the feature proteins; any two or more proteins of the eleven proteins are chosen so as to establish a blood serum feature protein mass spectrometry model of identification with two in a group for patients with breast cancer and normal people, and patients with benign breast disease, lymphatic metastasis of breast cancer and remote metastasis of breast cancer according to the mass-charge ratio m / z of each protein peak and the critical peak average value of the protein; the preparation method of the invention provides a foundation for further discovering new breast cancer biological marks. The method of the invention is better than any single detection method adopted currently for the detection of the breast cancer, and provides a non-invasive technique for the early detection and early treatment of the breast cancer, thus providing a new method for reducing the mortality of the breast cancer, improving the cure rate of the breast cancer and screening and examining the breast cancer for high-risk population further.
Owner:许洋

Campus safety management method based on face recognition

The present invention discloses a campus safety management method based on face recognition. The method comprises the steps of: establishing a campus safety database, wherein the campus safety database comprises a standard public security high risk population database, a school personnel database and a dangerous student database; recognizing faces of the personnel entering shooting ranges by facerecognition devices around classrooms, campuses, dormitory building floors or schools, and sending recognition results to a server; according to the number of the identified faces of the personnel, determining the personnel density, and determining the size of the personnel density; if the personnel density is not larger than 2, employing a method for preventing from infringement of non-native population to process the recognition results; and if the personnel density is not small than 2, employing a method for preventing from campus bullying to process the recognition results. The campus safety management method based on face recognition introduces the face recognition technology to perform identity recognition through analysis and comparison of face vision feature information and performalarm when high risk population, and collects face expressions to analyze the personnel emotions to perform prevention and coordinated treatment of the campus accidents.
Owner:山东众云教育科技有限公司

Method for detecting N-glycome log (P9/P4) in serum and detecting system and application thereof

The invention belongs to the diagnostics field of clinical medicine and aims at providing a method for detecting N-glycome log (P9 / P4) in serum so as to overcome defects of prior art that both sensitivity and specificity of AFP detection and supersonic inspection which are adopted to screen high risk group of HCC which is the fifth common malignancy in the world are so low that HCC cannot be detected and treated early. The method is based on DSA-FACE of a DNA sequencer to detect distribution of glycan connected by N-glycosidic bond on glycosidoprotein in serum so as to calculate value of log (P9 / P4). The invention also provides a corresponding detecting system and applies the detecting method and the detecting system to the early screening and diagnosis of HCC, especially to the early screening and diagnosis of tendency of HCC and hepatic fibrosis relevant to HBV inflection. Compared with the AFP detection, the method provided by the invention can raise the specificity and accuracy respectively by 16 percent and 8 percent and has the similar sensitivity.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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