An 8-year-old cat was presented with severe neurological deficits secondary to a traumatic cervical spinal cord injury caused by an airgun pellet. This report describes, for the first time, the myelographic findings of a dural rupture in a cat and also describes a bilateral Horner's syndrome in a cat.
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N Z Med J
March 2024
Fellow - Trauma and General Surgery, Te Whatu Ora Te Toka Tumai Auckland.
Aims: We observed modern spring-loaded air rifles reaching velocities similar to small-bore rifles, raising concerns about their potential lethality. After encountering two life-threatening thoracic injuries in our practice, we conducted a study to assess the injuries that a commonly available air rifle could cause in a porcine cadaver model.
Methods: We conducted shooting experiments from 5 and 10 metres away using a .
Environ Pollut
March 2024
Institute of Marine Research, P.O. Box 1870 Nordnes, 5817, Bergen, Norway.
Marine vibrators are a new technology being developed for seismic surveys. These devices can transmit continuous instead of impulsive sound and operate over a narrower frequency band and at lower peak pressure than airguns, which is assumed to reduce their environmental impacts. We exposed spawning Atlantic cod (Gadus morhua) to sound produced by a prototype, but full-scale, marine vibrator, and monitored behavioural responses of tagged cod using acoustic telemetry.
View Article and Find Full Text PDFTrauma Surg Acute Care Open
November 2023
Department of Surgery, Cotabato Regional and Medical Center, Cotabato City, Philippines.
Background: An improvised air gun with marble bullets, locally known as "Jolen Gun", is a type of home-made gun using Polyvinyl chloride (PVC) pipes and compressed air. It is mainly being used as a hunting tool in Central Mindanao. This "non-lethal" weapon has the potential in causing serious harm.
View Article and Find Full Text PDFJ Acoust Soc Am
June 2023
University of New Hampshire, School of Marine Science and Ocean Engineering, Durham, New Hampshire 03824, USA.
In impact assessments for underwater noise, the duration of a transient signal is often expressed by the 90%-energy signal duration τ90 %. Consequently, the rms sound pressure is computed over this duration. Using a large set of measurements on marine-seismic airgun signals, it is shown that τ90 % is often very close to the interval between the primary and secondary pulse (the bubble period) or a small integer multiple thereof.
View Article and Find Full Text PDFJ Korean Neurosurg Soc
September 2023
Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, China.
Penetrating head injury is a serious open cranial injury. In civilians, it is often caused by non-missile, low velocity flying objects that penetrate the skull through a weak cranial structure, forming intracranial foreign bodies. The intracranial foreign body can be displaced due to its special quality, shape, and location.
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