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Related Concept Videos

Spinal Cord Injury ll: Pathophysiology01:14

Spinal Cord Injury ll: Pathophysiology

Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
Fractures: Bone Repair01:27

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
Secondary Spinal Cord Injury llI: Pathophysiology01:25

Secondary Spinal Cord Injury llI: Pathophysiology

Early Ischemia and Ionic ImbalanceWithin minutes of spinal cord injury, a secondary cascade begins, progressing over hours to weeks. Vascular damage reduces blood flow, causing ischemia and mitochondrial dysfunction. ATP depletion leads to ion pump failure, membrane depolarization, sodium influx, potassium efflux, and water accumulation, resulting in cellular swelling. Increased intracellular calcium further disrupts mitochondria and accelerates cellular injury.Excitotoxicity and Neuronal...
Herniated Intervertebral Disc l: Introduction01:29

Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...
Flail Chest-I01:24

Flail Chest-I

Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...

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Related Experiment Video

Updated: Jun 16, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
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Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

Published on: November 8, 2024

Spinal fractures resulting from traumatic injuries.

Pedram Heidari1, Heidari Pedram, Mohammad Reza Zarei

  • 1Orthopedic Surgery Department, Imam University Hospital, Tehran University of Medical Sciences, Iran.

Chinese Journal of Traumatology = Zhonghua Chuang Shang Za Zhi
|January 30, 2010
PubMed
Summary

Road traffic crashes and accidental falls are leading causes of traumatic spine fractures in Iran, particularly affecting younger adults. These injuries, especially from crashes, are linked to more severe outcomes and higher mortality rates.

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Area of Science:

  • Orthopedics
  • Trauma Surgery
  • Epidemiology

Background:

  • Spine fractures represent a significant public health concern, with varying etiological patterns globally.
  • Understanding the specific mechanisms and demographic distribution of spinal injuries is crucial for targeted prevention.

Purpose of the Study:

  • To analyze the primary mechanisms and injury patterns of traumatic spine fractures in the urban Iranian population.
  • To compare the characteristics and outcomes of spinal fractures resulting from different major causes.

Main Methods:

  • Retrospective analysis of data from the Iranian national trauma registry (1999-2004).
  • Inclusion of 619 patients with traumatic spine fractures, examining demographics, injury mechanisms, spinal levels, associated injuries, and patient outcomes.
  • Statistical comparison between road traffic crashes and accidental falls as mechanisms of injury.

Main Results:

  • Road traffic crashes (44.1%) and accidental falls (47.2%) were the predominant causes of spine fractures.
  • The 21-40 year age group showed the highest incidence. Lumbar spine fractures were most common (53.63%), with cervical fractures more prevalent in road traffic crashes.
  • Road traffic crashes were associated with higher injury severity scores, increased associated injuries (including head and extremity trauma), and significantly higher mortality rates compared to accidental falls.

Conclusions:

  • Spinal fracture patterns in Iran resemble those in developed nations.
  • Road traffic crashes disproportionately affect younger individuals and lead to more severe consequences, including higher mortality.
  • Preventive measures should prioritize reducing the incidence and severity of road traffic crashes.