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Artificial intelligence analysis of videos to augment clinical assessment:an overview

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Neural Regeneration Research 2024年第4期19卷 717-718页

作者： David C.Wong Stefan Williams University of Leeds Leeds Teaching Hospitals trust LeedsUK

Observation is a fundamental part of the practice of clinical *** of movement is particularly important for the *** such as Parkinson’s disease,multiple sclerosis,stroke,epilepsy,and many others affect a person’s movement in characteristic *** some conditions,changes in the patient’s voice can be included in this-changes in sound caused by changes in the movements of *** clinician’s detection of a characteristic abnormality,and their judgment of its severity,plays a central role in both diagnosis and the assessment of prognosis or response to ***,that practice depends upon a limited resource of experienced *** addition,these experts are limited by human visual judgment,which cannot reliably or precisely detect and measure small or subtle changes in movement(Williams et al.,2023).

关键词： clinical epilepsy diagnosis

Air traffic monitoring using optimized ADS-B CubeSat constellation

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Astrodynamics 2024年第1期8卷 189-208页

作者： Ghulam Jaffer Rameez AMalik Elias Aboutanios Nazish Rubab Ronnie Nader Hans U.Eichelberger Guy A.E.Vandenbosch Interdisciplinary Centre for Security Reliability and Trust(SnT)University of LuxembourgLuxembourg1855Luxembourg

The primary technique used for air traffic surveillance is ***,nowadays,its role in surveillance is gradually being replaced by the recently adopted Automatic Dependent Surveillance-Broadcast(ADS-B).ADS-B offers a higher accuracy,lower power consumption,and longer range than radar,thus providing more safety to *** coverage of terrestrial radar and ADS-B is confined to continental parts of the globe,leaving oceans and poles uncovered by real-time surveillance *** study presents an optimized Low-Earth Orbit(LEO)-based ADS-B constellation for global air traffic surveillance over intercontinental trans-oceanic flight *** optimization algorithm is based on performance evaluation parameters,i.e.,coverage time,satellite availability,and orbit stability(precession and perigee rotation),and communication *** results indicate that the constellation provides ample coverage in the simulated global oceanic *** constellation is a feasible and cost-effective solution for global air supervision,which can supplement terrestrial ADS-B and radar systems.

关键词： constellation automatic dependent surveillance-broadcast (ADS-B) air traffic surveillance precession perigee rotation.

Effects of excess high-normal alanine aminotransferase levels in relation to new-onset metabolic dysfunction-associated fatty liver disease:Clinical implications

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World Journal of Gastroenterology 2024年第27期30卷 3264-3267页

作者： Giovanna McGinty Robert Przemioslo Department of Gastroenterology North Bristol TrustSouthmead HospitalBristol BS105NBUnited Kingdom Department of Gastroenterology and Hepatology North Bristol TrustSouthmead HospitalBristol BS105NBUnited Kingdom

In this editorial,we comment on the article by Chen et al recently published in *** focus the debate on whether reducing the upper limit of normal of alanine aminotransferase(ALT)would effectively identify cases of fibrosis in metabolic-dysfunction associated fatty liver disease(MAFLD).This is important given the increasing prevalence of MAFLD and obesity ***,a suitable screening test to identify patients in the general population does not exist and most patients are screened after the finding of an abnormal *** authors of this paper challenge the idea of what a normal ALT is and whether that threshold should be lowered,particularly as their study found that 83.12%of their study population with a diagnosis of MAFLD had a normal *** main advantages of screening would be to identify patients and provide intervention early,the mainstay of this being changing modifiable risk factors and monitoring for liver ***,there is not enough suitable therapeutic options available as of yet although this is likely to change in the coming years with more targets for therapy being *** is one example of this which has demonstrated benefit with an acceptable side effect profile for those patients with MAFLD and obesity,although studies have not yet shown a significant improvement in fibrosis *** would also require a huge amount of resource if a reduced ALT level alone was used as criteria;it is more likely that current scoring systems such as fibrosis-4 may be amended to represent this additional ***,there is not a good argument to recommend wide-spread screening with a reduced ALT level as this is unlikely to be *** is compounded by the fact that there is a significant heterogeneity in what is considered a normal ALT between *** studies previously have suggested a more pragmatic approach in screening those over the age of 60,this is likely to change with the increasing inc

关键词： Alanine aminotransferase Metabolic-dysfunction associated fatty liver disease Metabolic syndrome Fibrosis Cirrhosis Semaglutide

Is intraprocedural intravenous aspirin safe for patients who require emergent extracranial stenting during mechanical thrombectomy?

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Stroke & Vascular Neurology 2024年第3期9卷 279-288,I0247页

作者： Adam Ingleton Marko Raseta Rui-En Chung Kevin Jun Hui Kow Jake Weddell Sanjeev Nayak Changez Jadun Zafar Hashim Noman Qayyum Phillip Ferdinand Indira Natarajan Christine Roffe Neurosciences University Hospitals of North Midlands NHS TrustStoke-on TrentUK Statistics and Mathematical Modelling Department of Molecular GeneticsErasmus Medical CenterRotterdamZuid-HollandThe Netherlands Radiology University Hospitals of North Midlands NHS TrustStoke-on TrentUK School of Medicine Keele UniversityKeeleUK Interventional Radiology University Hospitals of North Midlands NHS TrustStoke-on TrentUK Stroke Research Keele UniversityKeeleUK

Background Intraoperative antiplatelet therapy is recommended for emergent stenting during mechanical thrombectomy(MT).Most patients undergoing MT are also given *** agents are contraindicated within 24 hours of *** evaluated outcomes and complications of patients stented with and without intravenous aspirin during *** All patients who underwent emergent extracranial stenting during MT at the Royal Stoke University Hospital,UK between 2010 and 2020,were *** were thrombolysed before MT,unless *** 500 mg intravenously was given intraoperatively at the discretion of the *** intracranial haemorrhage(sICH)and the National Institutes for Health Stroke Scale score(NIHSS)were recorded at 7 days,and mortality and functional recovery(modified Rankin Scale:mRS≤2)at 90 *** Out of 565 patients treated by MT 102 patients(median age 67 IQR 57–72 years,baseline median NIHSS 18 IQR 13–23,76(75%)thrombolysed)had a stent *** these 49(48%)were given aspirin and 53(52%)were *** treated with aspirin had greater NIHSS improvement(median 8 IQR 1–16 vs median 3 IQR-9–8 points,p=0.003),but there were no significant differences in sICH(2/49(4%)vs 9/53(17%)),mRS≤2(25/49(51%)vs 19/53(36%))and mortality(10/49(20%)vs 12/53(23%))with and without *** improvement(median 12 IQR 4–18 vs median 7 IQR-7–10,p=0.01)was greater,and mortality was lower(4/33(12%)vs 6/15(40%),p=0.05)when aspirin was combined with thrombolysis,than for aspirin alone,with no increase in *** Our findings based on registry data derived from routine clinical care suggest that intraprocedural intravenous aspirin in patients undergoing emergent stenting during MT does not increase sICH and is associated with good clinical outcomes,even when combined with intravenous thrombolysis.

关键词： patients aspirin intravenous

Prostate cancer genotyping for risk stratification and precision treatment

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Current Urology 2024年第2期18卷 87-97页

作者： Ashish A.Kumar Department of Urology York&Scarborough Teaching Hospitals NHS Foundation TrustYorkUK

Prostate cancer(PC)is the most frequently diagnosed cancer and second leading cause of cancer-related deaths in *** is heterogeneous,as is evident from the wide spectrum of therapeutic *** patients with PC are initially responsive to androgen deprivation therapy;however,themajority of cases are either hormone-sensitive PC or castration-resistant *** therapeutic protocols follow the evolution of PC,a continuously progressive process involving a combination of widespread genomic *** genomic alterations are either hereditary germline mutations,such as mutations in BRCA2,or specific only to tumor cells(somatic).Tumor-specific genomic spectra include genomic structural rearrangements,canonical androgen response genes,andmany other specific genes such as TMPRSS2-ERG fusion,SPOP/FOXA1,TP53/RB1/PTEN,*** evidence indicates the involvement of signaling pathways including PI3K,WNT/β-catenin,SRC,and IL-6/STAT,which have been shown to promote epithelial-mesenchymal transition cancer stem cell–like features/stemness,and neuroendocrine differentiation in *** the last decade,our understanding of the genotype-phenotype relationships has been enhanced *** genetic background of PC related to canonical genetic alterations and signaling pathway activation genes has shed more insight into the molecular subtype and disease landscape,resulting in a more flexible role of individual therapies targeting diverse genotypes and phenotypes.

关键词： Prostate cancer Prostate cancer treatment Prostate cancer genomics Hereditary prostate cancer Androgen deprivation therapy Hormone sensitive prostate cancer Kinase signaling

Primary sclerosing cholangitis and cholangiocarcinoma:the 2023 practice guidance and future perspectives

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Hepatobiliary Surgery and Nutrition 2024年第1期13卷 172-175页

作者： Francesca Saffioti Vasileios K.Mavroeidis Department of Gastroenterology and Hepatology Oxford University Hospitals NHS Foundation TrustJohn Radcliffe HospitalOxfordUK UCL Institute for Liver and Digestive Health University College LondonLondonUK Department of HPB Surgery University Hospitals Bristol&Weston NHS Foundation TrustBristol Royal InfirmaryBristolUK Department of Transplant Surgery North Bristol NHS TrustSouthmead HospitalBristolUK

The 2023 practice guidance on primary sclerosing cholangitis(PSC)and cholangiocarcinoma(CCA)of the American Association for the Study of Liver Diseases(AASLD)came as a needful update to the previous 2010 guidelines on PSC,with a first-time inclusion of dedicated guidance on the diagnosis and management of CCA(1,2).This data-supported approach developed by consensus of an expert panel,provides guidance statements based on analytical review of the relevant literature.

关键词： American Association for the Study of Liver Diseases(AASLD) guidelines primary sclerosing cholangitis(PSC) liver cancer biliary cancer

Pancreatic surgery and tertiary pancreatitis services warrant provision for support from a specialist diabetes team

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World Journal of Diabetes 2024年第4期15卷 598-605页

作者： Vasileios K Mavroeidis Jennifer Knapton Francesca Saffioti Daniel L Morganstein Department of HPB Surgery Bristol Royal InfirmaryUniversity Hospitals Bristol and Weston NHS Foundation TrustBristol BS28HWUnited Kingdom Department of Gastrointestinal Surgery Southmead HospitalNorth Bristol NHS TrustBristol BS105NBUnited Kingdom Department of Academic Surgery Royal Marsden NHS Foundation TrustLondon SW36JJUnited Kingdom Department of Gastroenterology and Hepatology Oxford University Hospitals NHS Foundation TrustOxford OX39DUUnited Kingdom UCL Institute for Liver and Digestive Health University College LondonLondon NW32PFUnited Kingdom Department of Endocrinology Chelsea and Westminster Hospital NHS Foundation TrustLondon SW109NHUnited Kingdom Department of Gastrointestinal Unit Royal Marsden NHS Foundation TrustLondon SW36JJUnited Kingdom

Pancreatic surgery units undertake several complex operations,albeit with consi-derable morbidity and mortality,as is the case for the management of complicated acute pancreatitis or chronic *** centralisation of pancreatic surgery services,with the development of designated large-volume centres,has contribu-ted to significantly improved *** this editorial,we discuss the complex associations between diabetes mellitus(DM)and pancreatic/periampullary disease in the context of pancreatic surgery and overall management of complex pancreatitis,highlighting the consequential needs and the indispensable role of specialist diabetes teams in support of tertiary pancreatic *** 3c pan-creatogenic DM,refers to DM developing in the setting of exocrine pancreatic disease,and its identification and management can be challenging,while the glycaemic control of such patients may affect their course of treatment and *** preoperative diabetes assessment is warranted to aid identification of patients who are likely to need commencement or escalation of glucose lowering therapy in the postoperative *** incidence of new onset diabetes after pancreatic resection is widely variable in the literature,and depends on the type and extent of pancreatic resection,as is the case with pancreatic parenchymal loss in the context of severe *** involvement of a specialist diabetes team is essential to ensure a holistic *** the current era,large volume pancreatic surgery services commonly abide by the principles of enhanced recovery after surgery,with inclusion of provisions for optimisation of the perioperative glycaemic control,to improve *** various guidelines are available to aid perioperative management of DM,auditing and quality improvement platforms have highlighted deficiencies in the perioperative management of diabetic patients and areas of required *** need for perioperative support of diabetic

关键词： Pancreatectomy Pancreatoduodenectomy Whipple’s Pancreatitis Diabetes specialist Type 3c pancreatogenic diabetes mellitus

A Survey on the Evolution of Bootkits Attack and Defense Techniques

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China Communications 2024年第1期21卷 102-130页

作者： Yilin Zhou Guojun Peng Zichuan Li Side Liu Key Laboratory of Aerospace Information Security and trust Computing Ministry of EducationWuhan 430072China School of Cyber Science and Engineering Wuhan UniversityWuhan 430072China

According to the boot process of modern computer systems,whoever boots first will gain control *** advantage of this feature,a malicious code called bootkit can hijack the control before the OS bootloader and bypass security mechanisms in boot *** makes bootkits difficult to detect or clean up *** the improvement of security mechanisms and the emergence of UEFI,the attack and defense techniques for bootkits have constantly been *** first introduce two boot modes of modern computer systems and present an attack model of bootkits by some sophistical *** we discuss some classic attack techniques used by bootkits from their initial appearance to the present on two axes,including boot mode axis and attack phase ***,we evaluate the race to the bottom of the system and the evolution process between bootkits and security *** last,we present the possible future direction for bootkits in the context of continuous improvement of OS and firmware security mechanisms.

关键词： bootkit hook legacy BIOS security mechanisms UEFI

Predicting Credit Bond Default with Deep Learning: Evidence from China

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Journal of Social Computing 2024年第1期5卷 36-45页

作者： Ning Zhang Wenhe Li Haoxiang Chen Binshu Jia Pei Deng School of Information Central University of Finance and EconomicsBeijing 100081China SDIC Taikang trust Co. Ltd.Beijing 100034China

China’s credit bond market has rapidly expanded in recent ***,since 2014,the number of credit bond defaults has been increasing rapidly,posing enormous potential risks to the stability of the financial *** study proposed a deep learning approach to predict credit bond defaults in the Chinese market.A convolutional neural network(CNN)was selected as the classification model and to reduce the extreme imbalance between defaulted and non-defaulted bonds,and a generative adversarial network(GAN)was used as the oversampling *** on 31 financial and 20 non-financial indicators,we collected Wind data on all credit bonds issued and matured or defaulted from 2014 to *** experimental results showed that our GAN+CNN approach had superior predictive performance with an area under the curve(AUC)of 0.9157 and precision of 0.8871 compared to previous research and other commonly used classification models-including the logistic regression,support vector machine,and fully connected neural network models-and oversampling techniques-including the synthetic minority oversampling technique(SMOTE)and Borderline SMOTE *** one-year predictions,indicators of solvency,capital structure,and fundamental properties of bonds are proved to be the most important indicators.

关键词： credit bond default prediction convolutional neural network imbalanced data processing generative adversarial network