Publications by authors named "M Ghajari"

Article Synopsis
  • Concussions in contact sports pose significant challenges in prevention, detection, and management for athletes, medical professionals, and sporting organizations.
  • Recent technological advancements have led to the creation of a comprehensive database by researchers and clinicians from the Australasian National Rugby League to analyze head impacts and track clinical outcomes.
  • This protocol aims to enhance understanding of concussions in rugby through detailed data collection, informing injury prevention strategies and improving overall player safety.
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Article Synopsis
  • Bicycle helmets primarily protect against skull fractures but their effectiveness against diffuse brain injuries is less understood.
  • The study tested 30 popular helmets under various impact conditions to evaluate protection against linear and rotational forces, revealing significant variations in performance.
  • Helmets with MIPS technology generally performed better in reducing rotational forces, but price did not correlate with injury risk, indicating that not all expensive helmets offer better protection.
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Article Synopsis
  • Real-world collision data reconstruction helps to understand injury biomechanics and identify injury thresholds, but it often suffers from uncertainty in parameters like impact speed and pedestrian characteristics.
  • A study was conducted using six pedestrian-car collision cases from the GB Road Accident In-Depth Studies (RAIDS) database, considering variations in input parameters to analyze the effects on head kinematic metrics related to injury risk.
  • The analysis revealed that input uncertainty differently affected the initial head-vehicle impact and the subsequent head-ground impact, and real-world evidence helped constrain the most realistic scenarios for injury prediction.
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In pediatric dentistry, complications arising from extended soft tissue anesthesia can negatively impact patient comfort and trust in dental care. This study evaluates the clinical efficacy of diode laser-based photobiomodulation therapy (PBMT) in expediting the resolution of anesthesia in children aged 6-9 receiving inferior alveolar nerve block (IANB) injections. In this split-mouth double-blind randomized clinical trial, 36 pediatric subjects aged 6-9, requiring pulpotomy procedures on both sides of the mandible, received IANBs (single cartridge of 2% lidocaine/1:100,000 epinephrine).

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Head acceleration events (HAEs) are acceleration responses of the head following external short-duration collisions. The potential risk of brain injury from a single high-magnitude HAE or repeated occurrences makes them a significant concern in sport. Instrumented mouthguards (iMGs) can approximate HAEs.

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