Pengyu Ren

ORCID: 0000-0002-0116-0554
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About
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Research Areas
  • Vestibular and auditory disorders
  • Ultrasound and Hyperthermia Applications
  • Glioma Diagnosis and Treatment
  • EEG and Brain-Computer Interfaces
  • Heart Rate Variability and Autonomic Control
  • Hearing, Cochlea, Tinnitus, Genetics
  • Ophthalmology and Eye Disorders
  • Neuroinflammation and Neurodegeneration Mechanisms
  • Sirtuins and Resveratrol in Medicine
  • Neurogenesis and neuroplasticity mechanisms
  • Prosthetics and Rehabilitation Robotics
  • Autophagy in Disease and Therapy
  • Non-Invasive Vital Sign Monitoring
  • ECG Monitoring and Analysis
  • Ultrasound Imaging and Elastography
  • Speech and Audio Processing
  • Diabetic Foot Ulcer Assessment and Management
  • Birth, Development, and Health
  • Neurological Disease Mechanisms and Treatments
  • Single-cell and spatial transcriptomics
  • Vasculitis and related conditions
  • Photoacoustic and Ultrasonic Imaging
  • Muscle activation and electromyography studies
  • Mitochondrial Function and Pathology
  • Orthopedic Surgery and Rehabilitation

Second Affiliated Hospital of Xi'an Jiaotong University
2020-2025

Xiamen University
2025

Taiyuan Central Hospital
2024

Shanxi Medical University
2024

Shanghai University
2023-2024

Xi'an Jiaotong University
2014-2023

10.1109/icassp49660.2025.10889777 article EN ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2025-03-12

Many quantitative ultrasound imaging techniques based on tissue properties have been established to ensure the safety and efficacy of thermal ablation treatment. However, which technique has superior monitoring not yet revealed. In this study, we investigated compared performance envelope data distribution-dependent ultrasonic Nakagami, distribution-independent horizontally normalized Shannon entropy (hNSE), differential attenuation coefficient intercept (DACI) frequency domain during liver...

10.1109/tim.2023.3267375 article EN IEEE Transactions on Instrumentation and Measurement 2023-01-01

Ischemic stroke (IS) is a fatal neurological disease that occurs when the blood flow to brain disrupted, leading tissue damage and functional impairment. Cellular senescence, vital characteristic of aging, associated with poor prognosis for IS. This study explores potential role cellular senescence in pathological process following IS by analyzing transcriptome data from multiple datasets (GSE163654, GSE16561, GSE119121, GSE174574). By using bioinformatics methods, we identified...

10.18632/aging.204804 article EN cc-by Aging 2023-06-28

We applied the method of non-invasive ultrasound (US) neuromodulation to regulate blood pressure (BP) by stimulating solitary tract nucleus (NTS) spontaneously hypertensive rats (SHRs).The were exposed US stimulation for 20 mins every day two months. Morphology and function target organs (heart kidney) then examined echocardiography immunohistochemical staining. C-fos immunofluorescence assays used evaluate neuronal activity in stimulated areas explore related neural pathways. Moreover,...

10.1109/tbme.2022.3231343 article EN IEEE Transactions on Biomedical Engineering 2022-12-22

Objective To define the normal values and examine influence of aging on B81 bone vibrator-induced cervical vestibular-evoked myogenic potentials (B81-cVEMPs) ocular (B81-oVEMPs). Methods Seventy healthy subjects, divided into seven groups according to their ages, were enrolled in this study. The 4–9-, 10–19-, 20–29-, 30–39-, 40–49-, 50–59-, 60–70-year-old participants I–VII, respectively. B81-cVEMP B81-oVEMP recorded each group. Results response rates for I–VII 100, 95, 75%, respectively,...

10.3389/fneur.2022.881682 article EN cc-by Frontiers in Neurology 2022-05-11

Background: Low grade gliomas(LGGs) present vexatious management issues for neurosurgeons. Chromatin regulators (CRs) are emerging as a focus of tumor research due to their pivotal role in tumorigenesis and progression. Hence, the goal current work was unveil function value CRs patients with LGGs. Methods: RNA-Sequencing corresponding clinical data were extracted from The Cancer Genome Atlas (TCGA) Chinese Glioma (CGGA) database. A single-cell RNA-seq dataset sourced Gene Expression Omnibus...

10.3389/fgene.2022.957059 article EN cc-by Frontiers in Genetics 2022-09-26

Abstract Purpose Patients with CNS tumors is affected by many characteristics. Socioeconomic status (SES) has been found to affect tumors’ survival. This study focuses on the influence of SES in tumor. Methods Patient data were extracted from Surveillance, Epidemiology, and End Results database. Supervised optimal binning information value (IV) used for assessment. Kaplan-Meier, Cox regression, area under curve (AUC) net reclassification improvement (NRI) assess predictive performance....

10.21203/rs.3.rs-4061695/v1 preprint EN cc-by Research Square (Research Square) 2024-03-14

The treatment of the sequelae severe foot injuries caused by motorcycle spoke injury, especially in pediatric patients, allows for new options and surgical protocols. tarsometatarsal joint first metatarsal were reconstructed precise preoperative design using TSF space external fixation technique one stage to correct deformity restore volume length, free grafting fibular head with epiphysis second stage. This method is its kind reported. patient's was corrected, walking, walking up down...

10.3389/fsurg.2024.1391384 article EN cc-by Frontiers in Surgery 2024-09-13

Motion sickness is a common issue in electric vehicles, significantly impacting passenger comfort. This study aims to develop functional brain network analysis model by integrating electroencephalography (EEG) and near-infrared spectroscopy (fNIRS) signals evaluate motion symptoms. During real-world testing with the Feifan F7 series of new energy-electric vehicles from SAIC Motor Corp, data were collected 32 participants. The EEG divided into four frequency bands: delta-range, theta-range,...

10.3390/s24206613 article EN cc-by Sensors 2024-10-14

Objective:This study aimed to assess the clinical practice value of ocular vestibular evoked myogenic potential(oVEMP) and cervical potential(cVEMP) in monitoring rehabilitation function patients with suddensen sorineural hearing loss(SSHL). Method:Twenty-four SSHL were retrospectively enrolled, showing no VEMP response on affected side but exhibiting responses after therapies We analyzed improvement restoration parameters response. Result:After treatment, seven showed recovery, including...

10.13201/j.issn.2096-7993.2020.11.008 article EN PubMed 2020-11-01

Objective:To analyze clinical features, diagnosis and treatment of otitis media with antineutrophil cytoplasmic antibody(ANCA) -associated vasculitis(OMAAV). Methods:This study reported three OMAAV patients discussed the combined recent literature. Results:Two males one female were included. The age these ranged from 56 to 72 years. Their characteristics as follows: ①tympanic membrane granulation bloody secretions in two patients; ②progressive bone-conducted hearing loss within a short...

10.13201/j.issn.2096-7993.2022.08.013 article EN PubMed 2022-08-01

Background: Melatonin is able to alleviate the intracerebral hemorrhage (ICH), but its detail functions are poorly understood. As an iron-contained compound in hemoglobin, heme involved nerve injury after ICH. In this study, we aimed investigate roles and mechanism of melatonin heme-induced Methods: C57BL/6 mice were intracranially injected with heme, then received treatment. Behavior Tests (mNSS, forelimb placing corner turn tests), H&E staining, Nissl Staining Prussian Blue recuited...

10.2139/ssrn.4360435 article EN 2023-01-01

Objective:To complete the working principle design and prototype construction of Chinese multichannel vestibular prosthesis (CMVP) with independent intellectual property rights, verify its performance, so as to lay foundation for clinical promotion application CMVP. Methods:On basis previous research, CMVP was constructed based on information encoding nervous system, circuit designed according principle. Then, appropriate electronic components software systems were selected construct a...

10.13201/j.issn.2096-7993.2022.09.008 article EN PubMed 2022-09-01
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