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1.
Mil Med ; 186(1-2): 254-257, 2021 Jan 30.
Artículo en Inglés | MEDLINE | ID: mdl-33128551

RESUMEN

The incidence of compartment syndrome of the lumbar paraspinal muscles is exceedingly rare. Approximately 24 hours following a high-intensity kettlebell swing workout, a 33-year-old Sailor presented to the medical department on board a forward deployed Wasp-class amphibious assault ship with increasing discomfort in his middle and lower back, and evidence of rhabdomyolysis. Discomfort quickly turned to unrelenting pain coupled with dorsal paresthesias and rigidity in the paraspinal muscles. He was taken emergently to the operating room, where his paraspinal muscles were released via fasciotomy. As a result of limited resources aboard the deployed ship, a negative pressure wound dressing was fashioned using the supplies available aboard the ship. Following 3 days of the negative pressure wound therapy, muscle bulging decreased substantially, and the skin was closed. After 4 weeks of physical therapy, he returned to full duty.

2.
Stud Health Technol Inform ; 163: 552-4, 2011.
Artículo en Inglés | MEDLINE | ID: mdl-21335855

RESUMEN

We are developing a simulator of peripheral nerve block utilizing a mixed-reality approach: the combination of a physical model, an MRI-derived virtual model, mechatronics and spatial tracking. Our design uses tangible (physical) interfaces to simulate surface anatomy, haptic feedback during needle insertion, mechatronic display of muscle twitch corresponding to the specific nerve stimulated, and visual and haptic feedback for the injection syringe. The twitch response is calculated incorporating the sensed output of a real neurostimulator. The virtual model is isomorphic with the physical model and is derived from segmented MRI data. This model provides the subsurface anatomy and, combined with electromagnetic tracking of a sham ultrasound probe and a standard nerve block needle, supports simulated ultrasound display and measurement of needle location and proximity to nerves and vessels. The needle tracking and virtual model also support objective performance metrics of needle targeting technique.


Asunto(s)
Estimulación Eléctrica/métodos , Modelos Biológicos , Bloqueo Nervioso/instrumentación , Bloqueo Nervioso/métodos , Cirugía Asistida por Computador/métodos , Ultrasonografía Intervencional/métodos , Interfaz Usuario-Computador , Simulación por Computador , Estimulación Eléctrica/instrumentación , Diseño de Equipo , Análisis de Falla de Equipo , Humanos , Maniquíes , Cirugía Asistida por Computador/instrumentación , Integración de Sistemas , Ultrasonografía Intervencional/instrumentación
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