Publications by authors named "ZongYuan Ge"

Background: It is unclear regarding the association between metabolomic state/genetic risk score(GRS) and brain volumes and how much of variance of brain volumes is attributable to metabolomic state or GRS.

Methods: Our analysis included 8635 participants (52.5% females) aged 40-70 years at baseline from the UK Biobank.

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  • Intraocular pressure (IOP) is associated with blood pressure (BP), and while BP influences brain volumes, the impact of IOP on brain structures is not well understood.
  • The study analyzed data from the UK Biobank, involving thousands of participants, and found that higher diastolic BP correlates with increased white matter hyperintensity (WMH) and that IOP is linked to reduced gray matter volumes, particularly in younger individuals or those without hypertension.
  • Findings suggest that managing both IOP and BP could potentially help mitigate brain volume loss.
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This chapter explores the transformative impact of deep learning (DL) on neurosurgery, elucidating its pivotal role in enhancing diagnostic performance, surgical planning, execution, and postoperative assessment. It delves into various deep learning architectures, including convolutional and recurrent neural networks, and their applications in analyzing neuroimaging data for brain tumors, spinal cord injuries, and other neurological conditions. The integration of DL in neurosurgical robotics and the potential for fully autonomous surgical procedures are discussed, highlighting advancements in surgical precision and patient outcomes.

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Computational neurosurgery is a novel and disruptive field where artificial intelligence and computational modeling are used to improve the diagnosis, treatment, and prognosis of patients affected by diseases of neurosurgical relevance. The field aims to bring new knowledge to clinical neurosciences and inform on the profound questions related to the human brain by applying augmented intelligence, where the power of artificial intelligence and computational inference can enhance human expertise. This transformative field requires the articulation of ethical considerations that will enable scientists, engineers, and clinical neuroscientists, including neurosurgeons, to ensure that the use of such a powerful application is conducted based on the highest moral and ethical standards with a patient-centric approach to predict and prevent mistakes.

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  • A global mpox outbreak in 2022 stressed health facilities and required enhanced infection control measures, highlighting the need for early identification of suspected cases.
  • Researchers aimed to create an AI tool capable of distinguishing mpox lesions from other skin lesions using a dataset of 2,200 images from Melbourne Sexual Health Centre.
  • The DenseNet-121 model emerged as the most effective in identifying mpox lesions, achieving an AUC of 0.928, and further improvements were seen with the region of interest technique, raising its AUC to 0.982, indicating a significant reduction in misclassification.
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  • A study aimed to investigate the link between the 'weekend warrior' physical activity pattern and all-cause mortality in adults with type 2 diabetes was conducted using data from the National Health and Nutrition Examination Survey.
  • The research included over 6,000 participants and found that both weekend warriors and regularly active individuals had lower mortality rates compared to those who were inactive.
  • The results suggest that the weekend warrior activity pattern could effectively reduce all-cause mortality in adults with type 2 diabetes, similar to more regular exercise routines.
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Deep learning models for medical image analysis easily suffer from distribution shifts caused by dataset artifact bias, camera variations, differences in the imaging station, etc., leading to unreliable diagnoses in real-world clinical settings. Domain generalization (DG) methods, which aim to train models on multiple domains to perform well on unseen domains, offer a promising direction to solve the problem.

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Meibomian gland dysfunction (MGD) is increasingly recognized as a critical contributor to evaporative dry eye, significantly impacting visual quality. With a global prevalence estimated at 35.8 %, it presents substantial challenges for clinicians.

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  • Sexually transmitted infections (STIs) are a major global health issue, and early diagnosis can help reduce transmission; thus, a deep learning model was created to differentiate STIs from non-STIs using clinical images and metadata.
  • The study utilized 4913 clinical images collected over 13 years, developing two models: one relying solely on images and another that combined images with demographic and clinical metadata.
  • The integrated model demonstrated better performance with an AUC of 0.893 compared to the image-only model's 0.859, indicating that including metadata significantly improves the accuracy of STI diagnoses.
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State-of-the-art deep learning models often fail to generalize in the presence of distribution shifts between training (source) data and test (target) data. Domain adaptation methods are designed to address this issue using labeled samples (supervised domain adaptation) or unlabeled samples (unsupervised domain adaptation). Active learning is a method to select informative samples to obtain maximum performance from minimum annotations.

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In fully supervised learning-based medical image classification, the robustness of a trained model is influenced by its exposure to the range of candidate disease classes. Generalized Zero Shot Learning (GZSL) aims to correctly predict seen and novel unseen classes. Current GZSL approaches have focused mostly on the single-label case.

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Objectives: To examine the associaiton between environmental measures and brain volumes and its potential mediators.

Study Design: This was a prospective study.

Methods: Our analysis included 34,454 participants (53.

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Background: The importance of age on the development of ocular conditions has been reported by numerous studies. Diabetes may have different associations with different stages of ocular conditions, and the duration of diabetes may affect the development of diabetic eye disease. While there is a dose-response relationship between the age at diagnosis of diabetes and the risk of cardiovascular disease and mortality, whether the age at diagnosis of diabetes is associated with incident ocular conditions remains to be explored.

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Introduction: Many sexual health services are overwhelmed and cannot cater for all the individuals who present with sexually transmitted infections (STIs). Digital health software that separates STIs from non-STIs could improve the efficiency of clinical services. We developed and evaluated a machine learning model that predicts whether patients have an STI based on their clinical features.

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It is unclear how metabolomic age is associated with the risk of a wide range of chronic diseases. Our analysis included 110,692 participants (training: n = 27,673; testing: n = 27,673; validating: n = 55,346) aged 39-71 years at baseline (2006-2010) from the UK Biobank. Incident chronic diseases were identified using inpatient records, or death registers until January 2021.

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Background: Little is known regarding the leading risk factors for dementia/Alzheimer's disease (AD) in individuals with and without APOE4. The identification of key risk factors for dementia/Alzheimer's disease (AD) in individuals with and without the APOE4 gene is of significant importance in global health.

Methods: Our analysis included 110,354 APOE4 carriers and 220,708 age- and sex-matched controls aged 40-73 years at baseline (between 2006-2010) from UK Biobank.

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Purpose: Artificial intelligence (AI)-assisted ultra-widefield (UWF) fundus photographic interpretation is beneficial to improve the screening of fundus abnormalities. Therefore we constructed an AI machine-learning approach and performed preliminary training and validation.

Methods: We proposed a two-stage deep learning-based framework to detect early retinal peripheral degeneration using UWF images from the Chinese Air Force cadets' medical selection between February 2016 and June 2022.

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Retinopathy of prematurity (ROP) is currently one of the leading causes of infant blindness worldwide. Recently significant progress has been made in deep learning-based computer-aided diagnostic methods. However, deep learning often requires a large amount of annotated data for model optimization, but this requires long hours of effort by experienced doctors in clinical scenarios.

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Background: Data regarding the association between antioxidant supplementation and incident dementia are limited.

Methods: We included 494,632 adults (54.5% females) aged 40-71 years at baseline from the United Kingdom Biobank in the final analysis.

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Informative sample selection in an active learning (AL) setting helps a machine learning system attain optimum performance with minimum labeled samples, thus reducing annotation costs and boosting performance of computer-aided diagnosis systems in the presence of limited labeled data. Another effective technique to enlarge datasets in a small labeled data regime is data augmentation. An intuitive active learning approach thus consists of combining informative sample selection and data augmentation to leverage their respective advantages and improve the performance of AL systems.

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Aims: The aim of this study was to develop an algorithm model to predict the heat sink effect during thermal ablation of lung tumors and to assist doctors in the formulation and adjustment of surgical protocols.

Background: The heat sink effect is an important factor affecting the therapeutic effect of tumor thermal ablation. At present, there is no algorithm model to predict the intraoperative heat sink effect automatically, which needs to be measured manually, which lacks accuracy and consumes time.

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Purpose: To investigate fundus tessellation density (TD) and its association with axial length (AL) elongation and spherical equivalent (SE) progression in children.

Methods: The school-based prospective cohort study enrolled 1,997 individuals aged 7 to 9 years in 11 elementary schools in Mojiang, China. Cycloplegic refraction and biometry were performed at baseline and 4-year visits.

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Introduction: Despite significant advances in managing acute stroke and reducing stroke mortality, preventing complications like post-stroke epilepsy (PSE) has seen limited progress. PSE research has been scattered worldwide with varying methodologies and data reporting. To address this, we established the International Post-stroke Epilepsy Research Consortium (IPSERC) to integrate global PSE research efforts.

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Purpose: To investigate how vault and other biometric variations affect postoperative refractive error of implantable collamer lenses (ICLs) by integrating artificial intelligence and modified vergence formula.

Setting: Eye and ENT Hospital of Fudan University, Shanghai, China.

Design: Artificial intelligence and big data-based prediction model.

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