Jun Kit He

ORCID: 0000-0002-1008-7141
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About
Contact & Profiles
Research Areas
  • Foot and Ankle Surgery
  • Orthopedic Surgery and Rehabilitation
  • Shoulder Injury and Treatment
  • Tendon Structure and Treatment
  • Healthcare Policy and Management
  • Sports injuries and prevention
  • Shoulder and Clavicle Injuries
  • Bone fractures and treatments
  • Peripheral Nerve Disorders
  • Lower Extremity Biomechanics and Pathologies
  • Health Systems, Economic Evaluations, Quality of Life
  • Diabetic Foot Ulcer Assessment and Management
  • Anesthesia and Pain Management
  • Genetics and Neurodevelopmental Disorders
  • Knee injuries and reconstruction techniques
  • Diversity and Career in Medicine
  • Vitamin D Research Studies
  • Epigenetics and DNA Methylation
  • Cellular Mechanics and Interactions
  • Innovations in Medical Education
  • Nerve Injury and Rehabilitation
  • Bone health and osteoporosis research
  • Periodontal Regeneration and Treatments
  • Medical Malpractice and Liability Issues
  • Opioid Use Disorder Treatment

Hunan Normal University
2024

Changsha Hospital for Maternal and Child Health Care
2024

University of Alabama at Birmingham
2018-2024

Vanderbilt University
2024

Fudan University
2023

Eighth Affiliated Hospital of Sun Yat-sen University
2022

Sun Yat-sen University
2022

University of Alabama at Birmingham Hospital
2021

Committee on Publication Ethics
2020

Clinical Orthopaedics and Related Research
2020

Background: Facial symmetry is a fundamental goal of plastic surgery, yet some asymmetry inherent in any face. Three-dimensional photogrammetry allows for rapid, reproducible, and quantitative facial measurements. With this tool, the authors investigated relationship between age symmetry. Methods: The imaged normal subjects using three-dimensional photogrammetry. was calculated by identifying plane maximum root-mean-square deviation. Regression analysis used to assess Subgroup analyses were...

10.1097/prs.0000000000004831 article EN Plastic & Reconstructive Surgery 2018-10-26

Abstract Background Burnout and depression among healthcare professionals trainees remain alarmingly common. In 2009, 56% of orthopaedic surgery residents reported burnout. Alcohol illicit drug use are potential exacerbating factors burnout depression; however, these have been scarcely studied in residency populations. Questions/purposes (1) What proportion report symptoms depression? (2) independently associated with an resident reporting emotional exhaustion, depersonalization, low...

10.1097/corr.0000000000001310 article EN Clinical Orthopaedics and Related Research 2020-05-22

A network of filaments formed primarily by the abundant cytoskeletal protein actin gives animal cells their shape and elasticity. The rheological properties reconstituted networks have been studied tracking micron-sized probe beads embedded within networks. We investigate how microrheology depends on surface particles varying stickiness surface. For this purpose, we chose carboxylate polystyrene (PS) beads, silica bovine serum albumin (BSA) -coated PS polyethylene glycol (PEG) -grafted which...

10.1103/physreve.83.041902 article EN publisher-specific-oa Physical Review E 2011-04-07

Mixed results exist regarding the benefit of orthobiologic injections. The purpose this study was to assess variability in costs for platelet-rich plasma (PRP) and stem cell (SC) injections evaluate variables that influence pricing.There will be significant cost PRP SC throughout United States.Descriptive epidemiology study.Level 3.Calls were made 1345 orthopaedic sports medicine practices across States inquiring into availability or knee associated costs. In addition pricing, practice type,...

10.1177/1941738119880256 article EN Sports Health A Multidisciplinary Approach 2019-10-30

Background Preeclampsia (PE) is a pregnancy complication defined by new onset hypertension and proteinuria or other maternal organ damage after 20 weeks of gestation. Although non-invasive prenatal testing (NIPT) has been widely used to detect fetal chromosomal abnormalities during pregnancy, its performance in combination with risk factors screen for PE not extensively validated. Our aim was develop validate classifiers that predict early- late-onset using the plasma cell-free DNA (cfDNA)...

10.3389/fmed.2024.1254467 article EN cc-by Frontiers in Medicine 2024-04-17

Background: Although the diagnosis of thoracic outlet syndrome (TOS) is often missed, outcomes from surgical intervention significantly improve patient satisfaction. This article seeks to highlight characteristics, intraoperative findings, and both short long-term decompression in adolescent population. Methods: A retrospective chart review patients between ages 13 21 years with a clinical neurogenic (NTOS) who were treated surgically 2000 2015 was performed. Data points including...

10.1177/1558944719901319 article EN Hand 2020-02-10

ABSTRACT Early‐stage photoaging is characterized by skin laxity and wrinkling, which are mainly attributable to the ultraviolet (UV) irradiation‐mediated imbalance between matrix metalloproteinase (MMP) production collagen degradation. Injectable platelet‐rich fibrin (i‐PRF) a novel blood concentrate with potential effects on photoaging. Over past few decades, plasma (PRP) has been widely researched used in different clinical fields as first‐generation platelet concentrate. The aim of this...

10.1111/php.13628 article EN Photochemistry and Photobiology 2022-04-02

Background: Biomedical research is essential for optimizing patient care. Research has suggested inadequacies in nonorthopaedic trainees’ understanding of study design and biostatistics. This assesses orthopaedic residents’ knowledge common biostatistical concepts, as well their confidence utilizing the medical literature. Methods: A validated survey assessing application concepts was administered to residents at 10 U.S. institutions. The tested attitudes regarding biostatistics principles....

10.2106/jbjs.19.01095 article EN Journal of Bone and Joint Surgery 2019-12-31

We studied microrheological properties of $F$-actin across the isotropic-nematic phase transition region by video particle tracking (VPT) and laser deflection (LDPT). Both methods track motion thermally driven micron-sized beads, convert temporal mean square displacement (MSD) to shear moduli. The two give consistent results for elastic modulus ${G}^{\ensuremath{'}}$ less so loss ${G}^{\ensuremath{''}}$. As nematic order parameter increases with actin concentration,...

10.1103/physreve.78.011908 article EN Physical Review E 2008-07-16

We report an abnormal slowdown of the longitudinal diffusion $F$-actin across isotropic-to-nematic phase transition region. To probe underlying physics this counterintuitive discovery, we compared F-actin, microtubules and fd virus in F-actin solutions region found markedly different from other two filament types. Also, viscous drag probed by was to increase sharply with $[{\mathrm{Mg}}^{2+}]$ nematic but not isotropic state. Based on experimental results, propose that is caused weak...

10.1103/physrevlett.99.068103 article EN Physical Review Letters 2007-08-09

Percutaneous fixation of proximal humeral fractures places the axillary nerve and posterior circumflex artery at risk for injury. Safe operative zones are described based on external measurements from anatomic landmarks, but no study to date has incorporated advanced imaging help guide surgical procedures in region neurovascular bundle (ANVB). We sought define location trajectory ANVB relation osseous landmarks using magnetic resonance (MRI) measurements.Retrospective review 750 consecutive...

10.1016/j.jseint.2020.11.002 article EN cc-by-nc-nd JSES International 2021-01-12

Sling immobilization is commonly used following rotator cuff repair. The purpose of this study was to determine the detrimental impact sling usage on mobility and balance in an older adult population through validated gait testing. authors hypothesize that use will negatively affect stability.

10.14423/smj.0000000000001665 article EN Southern Medical Journal 2024-03-01

Introduction: Extracorporeal membrane oxygenation (ECMO) plays a vital role in providing life support for patients with reversible cardiac or respiratory failure. Given the high rate of complications and difficulties associated caring ECMO patients, goal this study was to compare outcomes orthopaedic surgery polytrauma who received similar have not. This will help elucidate timing type fixation that should be considered on ECMO. Methods: A retrospective cohort collected from electronic...

10.5435/jaaos-d-24-00026 article EN Journal of the American Academy of Orthopaedic Surgeons 2024-05-29

Key Clinical Message This study reports a Chinese male patient with novel MeCP2 p.Lys254*variant. Upon birth, the presented typical symptoms, such as abnormal electroencephalogram, immature sleep rhythm, hypotonia, feeding difficulties, pulmonary fluid accumulation, horizontal fissures in lungs, hypoventilation, and heart defects. Abstract is gene located on X chromosome main pathogenic responsible for Rett syndrome, which mainly occurs females. Herein, we identified p.Lys254* variant...

10.1002/ccr3.9503 article EN cc-by Clinical Case Reports 2024-11-29

Background: Medial sesamoidectomy has been reported to be a safe and effective means of treating range pathologies including chronic sesamoiditis fracture nonunion. The purpose this case series is determine common clinical indications for medial evaluate the postoperative course outcomes. Methods: A retrospective chart review was conducted on patients who had isolated from 2009 2018. Demographics, comorbidities, physical exam variables, operative findings, radiographic measurements hallux...

10.21037/aoj.2019.12.01 article EN cc-by-nc-nd Annals of Joint 2019-12-01

Objective To compare screw fixation strength for subtalar arthrodesis. Methods Eight matched pairs of cadaver feet underwent joint arthrodesis with two 7.3mm cannulated screws. Randomization was used to assign orientation, such that one foot in each pair assigned dorsal plantar orientation (DP Group), and the other foot, (PD Group). Standard surgical technique fluoroscopy approach. Following fixation, specimen loaded failure a Bionix [...]

10.31744/einstein_journal/2020ao5052 article EN cc-by Einstein (São Paulo) 2020-01-01
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