Journal of the American College of Surgeons
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The sarcolemmal adenosine triphosphate-sensitive potassium channel (sK(ATP)), composed primarily of potassium inward rectifier (Kir) 6.2 and sulfonylurea receptor 2A subunits, has been implicated in cardiac myocyte volume regulation during stress; however, it is not involved in cardioprotection by the adenosine triphosphate-sensitive potassium channel (K(ATP)) channel opener diazoxide (7-chloro-3-methyl-1,2,4-benzothiadiazine-1,1-dioxide [DZX]). Paradoxically, the sK(ATP) channel subunit Kir6.2 is necessary for detrimental myocyte swelling secondary to stress. The Kir6.1 subunit can also contribute to K(ATP) channels in the heart, and we hypothesized that this subunit might play a role in myocyte volume regulation in response to stress. ⋯ These data indicate that K(ATP) channel subunit Kir6.1 is not necessary for DZX's maintenance of cell volume during the stress of CPG. The absence of Kir6.1 does not affect the contractile properties of myocytes during stress, suggesting the absence of Kir6.1 improves myocyte tolerance to stress via an unknown mechanism.
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Physician burnout is associated with diminished ability to practice with requisite skill and safety. Physicians are often reluctant to seek help for an impaired colleague or for impairment that affects their own ability to practice. To better support surgeons in difficulty, we explored sex differences in assistance-seeking behaviors under stress. ⋯ The differences between the assistance-seeking and reporting behaviors of male and female surgeons in distress could have implications for identification and treatment of this population. These findings can be used to develop educational activities to teach surgeons how to effectively handle these challenging situations.
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This White Paper summarizes the state of readiness of combat surgeons and provides action recommendations that address the problems of how to train, sustain, and retain them for future armed conflicts. As the basis for the 2014 Scudder Oration, I explored how to secure an improved partnership between military and civilian surgery, which would optimize learning platforms and embed military trauma personnel at America's academic medical universities for trauma combat casualty care (TCCC). ⋯ The recommended action points advance the training of combat surgeons and their trauma teams by creating an expanded network of TCCC training sites and sourcing the cadre of combat-seasoned surgeons currently populating our civilian and military teaching hospitals and universities. The recommendation for the establishment of a TCCC readiness center or command within the Medical Health System of the Department of Defense includes a military and civilian advisory board, with the reformation of a think tank of content experts to address high-level solutions for military medicine, readiness, and TCCC.