1.Department of Trauma and Orthopedic Surgery, Plastic, Hand and Reconstructive Surgery, Armed Forces Hospital Westerstede, Westerstede, Germany.
2.Department of Plastic, Aesthetic, Hand and Reconstructive Surgery, Hannover Medical School, Hannover, Germany.
3.Institute of Neuroanatomy and Cell Biology, Hannover Medical School, Hannover and Center for Systems Neuroscience (ZSN), Westerstede, Germany.
4.Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany.
* kaltenborn.alexander@mh-hannover.de
纸质出版:2020-12
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Kaltenborn et al.: Ex vivo limb perfusion for traumatic amputation in military medicine. Mil Med Res, 2020, 7: 21.
Kaltenborn et al.: Ex vivo limb perfusion for traumatic amputation in military medicine. Mil Med Res, 2020, 7: 21. DOI: 10.1186/s40779-020-00250-y.
Background:
2
Limb loss has a drastic impact on a patient's life. Severe trauma to the extremities is common in current military conflicts. Among other aspects
"life before limb" damage control surgery hinders immediate replantation within the short post-traumatic timeframe
which is limited in part by the ischemic time for successful replantation.
Ex vivo
limb perfusion is currently being researched in animal models and shows promising results for its application in human limb replantation and allotransplantation.
Presentation of the hypothesis:
2
The current lack of replantation possibilities in military operations with high rates of amputation can be addressed with the development of a portable
ex vivo
limb perfusion device
as there are several opportunities present with the introduction of this technique on the horizon. We hypothesize that
ex vivo
limb perfusion will enable overcoming the critical ischemic time
provide surgical opportunities such as preparation of the stump and limb
allow for spare-part surgery
enable rigorous antibiotic treatment of the limb
reduce ischemia-reperfusion injuries
enable a tissue function assessment before replantation
and enable the development of large limb transplant programs.
Testing the hypothesis:
2
Data from
in vivo
studies in porcine models are limited by the relatively short perfusion time of 24 h. In the military setting
notably longer perfusion times need to be realized. Therefore
future animal studies must focus especially on long-term perfusion
since this represents the military setting
considering the time for stabilization of the patient until evacuation to a tertiary treatment center.
Implications of the hypothesis:
2
The development and clinical introduction of
ex vivo
limb perfusion in the military setting could lead to a drastic reduction in the number of limb amputations among service members.
Ex vivo
limb perfusion enables replantation surgery in Role 4 facilities and changes the clinical setting from a highly urgent
life-threatening situation to a highly methodical
well-prepared starting point for optimal treatment of the wounded service member. With its introduction
the principle of "life before limb" will change to "life before limb before elective replantation/allotransplantation after
ex vivo
limb perfusion".
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