Aria Ashir

ORCID: 0000-0001-6808-7964
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About
Contact & Profiles
Research Areas
  • Shoulder Injury and Treatment
  • Shoulder and Clavicle Injuries
  • Tendon Structure and Treatment
  • Retinal Diseases and Treatments
  • Retinal Imaging and Analysis
  • Retinal and Optic Conditions
  • Sports injuries and prevention
  • Lower Extremity Biomechanics and Pathologies
  • Orthopedic Surgery and Rehabilitation
  • Cardiac Valve Diseases and Treatments
  • Elbow and Forearm Trauma Treatment
  • Knee injuries and reconstruction techniques
  • Cardiac Arrhythmias and Treatments
  • Cardiovascular Syncope and Autonomic Disorders
  • Nerve Injury and Rehabilitation
  • Osteoarthritis Treatment and Mechanisms
  • Sports Performance and Training
  • Musculoskeletal synovial abnormalities and treatments
  • Hemodynamic Monitoring and Therapy
  • Ultrasound Imaging and Elastography
  • Hip disorders and treatments

Santa Barbara Cottage Hospital
2023

University of California, San Diego
2019-2023

VA San Diego Healthcare System
2019-2023

Drexel University
2017-2020

University of California San Diego Medical Center
2020

Center Point
2019

Smith-Kettlewell Eye Research Institute
2019

Abstract Clinical magnetic resonance imaging (MRI) sequences are not often capable of directly visualizing tendons. Ultrashort echo time (UTE) MRI can acquire high signal from tendons thus enabling quantitative assessments. Magnetization transfer (MT) modeling combined with UTE-MRI—UTE-MT-modeling—can indirectly assess macromolecular protons in the tendon. This study aimed to determine if UTE-MT-modeling is a technique sensitive age-related changes The legs 26 young healthy (29 ± 6 years...

10.1038/s41598-019-54559-3 article EN cc-by Scientific Reports 2019-11-29

Background Relatively weak correlations between patient symptoms and rotator cuff tendon (RCT) tearing have been reported; however, the relationship tendinosis has less well‐studied. Purpose/Hypothesis To use quantitative MRI to assess bilateral RCTs in shoulders of both patients with unilateral symptomatic tendinopathy control subjects. We hypothesized that measures would differ controls. Study Type Prospective imaging study. Population/Subjects In all, 48 from 24 subjects (mean age, 32.8...

10.1002/jmri.27115 article EN Journal of Magnetic Resonance Imaging 2020-03-04

BACKGROUND AND OBJECTIVE: To quantify the size and location of nonperfusion associated with posterior segment neovascularization (NV) in proliferative diabetic retinopathy (PDR) using ultra-widefield fluorescein angiography. PATIENTS METHODS: Cross-sectional study 18 eyes PDR. The total image area, areas nonperfusion, buds (either disc or elsewhere), distances from each bud to nearest area were measured. RESULTS: Nonperfused significantly larger than without (32.0% ± 5.24% retinal vs. 3.3%...

10.3928/23258160-20190129-04 article EN Ophthalmic surgery, lasers & imaging retina 2019-02-01

This study evaluated the repeatability and reproducibility of using high-frequency quantitative ultrasound (QUS) measurement backscatter coefficient (BSC), grayscale analysis, gray-level co-occurrence matrix (GLCM) textural to characterize human rotator cuff muscles. The effects varying scanner settings across two different operators US systems were investigated in a healthy volunteer with normal muscles patient chronic massive injury substantial muscle degeneration. results suggest that BSC...

10.1177/01617346231207404 article EN Ultrasonic Imaging 2023-11-20
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