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The 150th anniversary of Johan Hjort's birth was celebrated by a symposium held in Bergen on 12–14 June 2019 to take a broad perspective on the origins of, and developments in, fisheries science and thereby examine current issues in fisheries science from different perspectives. To establish this type of non-traditional forum, historians of marine science and marine researchers from around the world met to explore potential new directions. The many transdisciplinary panel discussions, especially on subjects such as "the making of fisheries scientists", revealed the pervading influence of family, educators, role models, and social circumstances. The 11 articles included in this symposium issue present a series of advancements in modern fisheries science, highlighting the contributions of Hjort and his contemporaries, Fyodor Baranov and Harald Dannevig. As expected, the effects of changing ocean climate were a dominant theme, which connected this symposium, and complemented, the 2014 symposium in honour of Johan Hjort's influential treatise released in 1914. Although no ground-breaking paradigms were presented, several new research directions were proposed in a creative atmosphere generated by participants. The social context of science had a key influence in Hjort's day and continues to do so today and into the future. [ABSTRACT FROM AUTHOR]

The article offers information on the psychosocial evolution of women in surgery, along with crude tools and operative techniques used in the surgery. It discusses the efforts for advancing the presence of women in the operating arena. It mentions the role of women in early medical practice varied by the culture towards women.

More than 50 years ago, two investigators described a rare case of multiple esophageal diverticula, which they named esophageal intramural pseudodiverticulosis (EIPD). To this day, the pathogenesis of this condition remains obscure. Several coexisting conditions, such as strictures, esophageal dysmotility, or infection, require medical treatment. We present two typical cases of EIPD and one case of a rare single esophageal intramural diverticulum. [ABSTRACT FROM AUTHOR]

The article reports on the study of a cow-side test for ketosis regarding the effect of storage temperature. It notes that the objective of the test is to evaluate the effect of storage temperature for ketosis of a milk test. It mentions that a milk was put in a storage in which the temperature is about 21 degree Celsius for 18 weeks in which there is just a slight effect for classification and diagnosis of subclinical ketosis.

Background: There are several methods for apnea testing for the evaluation of neurological death, including oxygen via T-piece, oxygen cannula inserted into the endotracheal tube, and continuous positive airway pressure (CPAP). Lung suitability for transplantation is determined in part by the partial pressure of arterial oxygen (PaO 2 ) to fraction of inspired oxygen (FiO 2 ; P:F) ratio. We hypothesized that delivery of CPAP during apnea testing using a novel method would improve post-test P:F ratios., Methods: A retrospective review was performed at a level I trauma center for all patients undergoing apnea testing from 2010 to 2016. The CPAP system used a flow-inflating bag and was made available in 2012. It was used at the discretion of the clinician. Patients were classified as having an apnea test by CPAP or by non-CPAP method (T-piece, oxygen cannula in endotracheal tube, etc). The two groups were compared for baseline characteristics and the primary outcome of postapnea test P:F ratio., Results: During the study period, 145 patients underwent apnea testing; 67 patients by the CPAP method and 78 by non-CPAP method. There were no significant differences in demographics, mechanism of brain injury, pneumonia rate, smoking status, or antibiotic usage between the two groups. The pretest P:F ratio was similar between groups, but the CPAP group had significantly higher post-test P:F ratio (304 vs 250, p=0.02). There were no reported complications arising from CPAP use., Conclusions: We describe a novel method of delivering CPAP by a flow-inflating bag during examination for brain death. This method led to improved oxygenation, P:F ratios, and may decrease barotrauma. The flow-inflating bag was inexpensive, easily implemented, and without adverse effects. Multicentered, prospective trials are needed to elicit significant benefit in lung donation and transplantation., Level of Evidence: Level IV, diagnostic tests., Competing Interests: Competing interests: None declared.