امروز : چهارشنبه 28 آذر ماه 1397
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پایگاه آموزشی مقابله با مصدومیت - تروما

مقاله بررسی سیستماتیک از نمونه‌های آسیب نخاعی در حیوانات

مقاله بررسی سیستماتیک از نمونه‌های آسیب نخاعی در حیوانات

Animal models of spinal cord injury: a systematic review.

Sharif-Alhoseini M1, Khormali M1,2, Rezaei M1,2, Safdarian M1, Hajighadery A1,2, Khalatbari MM1, Safdarian M1, Meknatkhah S3, Rezvan M1, Chalangari M1, Derakhshan P1, Rahimi-Movaghar V1.

Author information
1Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran.
2Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran.
3Laboratory of Neuro-Organic Chemistry, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran.
Abstract

STUDY DESIGN:
PRISMA-guided systematic review.

OBJECTIVES:
To provide a comprehensive framework of the current animal models for investigating spinal cord injury (SCI) and categorize them based on the aims, patterns and levels of injury, and outcome measurements as well as animal species.

SETTING:
Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran.

METHODS:
An electronic search of the Medline database for literature describing animal models of SCI was performed on 1 January 2016 using the following keywords: 'spinal cord injuries' and 'animal models'. The search retrieved 2870 articles. Reviews and non-original articles were excluded. Data extraction was independently performed by two reviewers.

RESULTS:
Among the 2209 included studies, testing the effects of drug's or growth factor's interventions was the most common aim (36.6%) followed by surveying pathophysiologic changes (30.2%). The most common spinal region involved was thoracic (81%). Contusion was the most common pattern of injury (41%) followed by transection (32.5%) and compression (19.4%). The most common species involved in animal models of SCI was the rat (72.4%). Two or more types of outcome assessments were used in the majority of the studies, and the most common assessment method was biological plus behavioral (50.8%).

CONCLUSIONS:
Prior to choosing an animal model, the objectives of the proposed study must precisely be defined. Contusion and compression models better simulate the biomechanics and neuropathology of human injury, whereas transection models are valuable to study anatomic regeneration. Rodents are the most common and probably best-suited species for preliminary SCI studies.Spinal Cord advance online publication, 24 January 2017; doi:10.1038/sc.2016.187.


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