Flash X-Ray Cinematography During Impact Injury

Shatsky, Stanley A.

doi:10.4271/730978

Cited by 12 publications

(16 citation statements)

References 9 publications

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“…Yet, knowledge of brain motion within the skull is critical to understanding the mechanisms of head injury. The early efforts of Hodgson et al (1966), Shatsky (1973), Stalnaker et al (1977), and Nusholtz et al (1984) that employed a variety of high‐speed x‐ray techniques were reviewed by Hardy et al (2001) None of these studies was able to provide accurate three‐dimensional quantitative brain motion data. Not until a high‐speed biplane system was developed at the Herrick‐Davis Motion Analysis Lab of Henry Ford Hospital in Detroit, during the tenure of Dr. Eric L. Radin as director of the Bone and Joint Center, were these data obtainable.…”

Section: Methodsmentioning

confidence: 99%

Recent firsts in cadaveric impact biomechanics research

2011

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High-speed biplane x-ray and neutral density targets were used to examine brain displacement and deformation, as well as aortic motion and deformation within the mediastinum, during impact. Thirty-five impacts using eight human cadaver head and neck specimens and eight impacts of the intact cadaver thorax are summarized. During impact, local brain tissue tends to keep its position and shape with respect to the inertial frame, resulting in relative motion between the brain and skull and deformation of the brain. The local brain motions tend to follow looping patterns. Similar patterns are observed for impact in different planes, with some degree of posterior-anterior and right-left symmetry. Clinically relevant damage to the aorta was observed in seven of the thorax tests. The presence of atherosclerosis was demonstrated to promote tearing. The isthmus of the aorta moved dorsocranially during frontal impact and submarining loading modes. The aortic isthmus moved medially and anteriorly during impact to the left side.

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Section: Methodsmentioning

confidence: 99%

Recent firsts in cadaveric impact biomechanics research

2011

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“…There has been ongoing research looking at how the brain shifts inside the skull during an impact event because this is crucial in understanding the head injury mechanism. Earlier work did not have the technological ability to provide 3-D quantitative brain motion data (29)(30)(31). King et al (32) used high-speed biplane x-ray and neutral density targets to collect 3-D data of brain displacement and deformation in human cadavers.…”

Section: Theories Of Injury Originmentioning

confidence: 99%

Recent Research in Behind-Armor Blunt Trauma and Traumatic Brain Injury

Bukowski¹

2014

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“…A popular mechanism of aortic injury is that the descending aorta remains fixed at the posterior thoratic wall while the heart and the aortic arch displace beyond their tolerance (Viano and Haut, 1977;Shatsky, 1973;Cammack et ul., 1959). Cammack ec al.…”

Section: Williammentioning

confidence: 99%

Use of quadruped models in thoraco-abdominal biomechanics research

Huelke

Nusholtz

Kaiker

1986

Journal of Biomechanics

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Pigs and dogs have become common models of human thoraco-abdominal impact response. This paper summarizes a comparative analysis of the dog and pig to the live human accomplished through a series of necropsies performed on pigs and dogs. The results are summarized below. Emphasis is placed on specific aspects which are felt to be important for impact biomechanics. In particular, emphasis is placed upon the effect of tethering structures because of their potential in explaining mechanisms of injury for specific types of trauma such as aortic and certain liver injuries. Some aspects of tethering in the pig and dog are significantly different from that of the live human so care should be taken when using these animals in thoraco-abdominal biomechanics experiments.

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Flash X-Ray Cinematography During Impact Injury

Cited by 12 publications

References 9 publications

Recent firsts in cadaveric impact biomechanics research

Recent firsts in cadaveric impact biomechanics research

Recent Research in Behind-Armor Blunt Trauma and Traumatic Brain Injury

Use of quadruped models in thoraco-abdominal biomechanics research

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