Publications by authors named "Zachary W -Brown"

Background: Assessment of the immediate need for specific blood product transfusions in acutely bleeding patients is challenging. Clinical assessment and commonly used coagulation tests are inaccurate and time-consuming. The goal of this practice management guideline was to evaluate the role of the viscoelasticity tests, which are thromboelastography (TEG) and rotational thromboelastometry (ROTEM), in the management of acutely bleeding trauma, surgical, and critically ill patients.

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Importance: Armed conflict in the 21st century poses new challenges to a humanitarian surgical response, including changing security requirements, access to patients, and communities in need, limited deployable surgical assets, resource constraints, and the requirement to address both traumatic injuries as well as emergency surgical needs of the population. At the same time, recent improvements in trauma care and systems have reduced injury-related mortality. This combination of new challenges and medical capabilities warrants reconsideration of long-standing humanitarian surgery protocols.

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Dosidicus gigas (jumbo or Humboldt squid) is a semelparous, major predator of the eastern Pacific that is ecologically and commercially important. In the Gulf of California, these animals mature at large size (>55 cm mantle length) in 1-1.5 years and have supported a major commercial fishery in the Guaymas Basin during the last 20 years.

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Article Synopsis
  • A significant phytoplankton bloom was observed beneath thick sea ice in the Chukchi Sea, challenging the belief that such blooms only occur in ice-free waters.
  • The bloom had a high concentration of diatoms and demonstrated rapid growth and primary production rates.
  • Researchers indicate that under-ice blooms could be common in nutrient-rich Arctic regions, suggesting that current satellite estimates of primary production in these areas are likely much lower than the actual amounts, potentially by a factor of ten.
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