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Abstract Whole-body vibration (WBV) and resistive vibration exercise (RVE) are utilized as countermeasures against bone loss, muscle wasting, and physical deconditioning. The safety of the interventions, in terms of the risk of inducing undesired blood clotting and venous thrombosis, is not clear. We therefore performed the present systematic review of the available scientific literature on the issue. The review was conducted following the guidelines by the Space Biomedicine Systematic Review Group, based on Cochrane review guidelines. The relevant context or environment of the studies was “ground-based environment”; space analogs or diseased conditions were not included. The search retrieved 801 studies; 77 articles were selected for further consideration after an initial screening. Thirty-three studies met the inclusion criteria. The main variables related to blood markers involved angiogenic and endothelial factors, fibrinolysis and coagulation markers, cytokine levels, inflammatory and plasma oxidative stress markers. Functional and hemodynamic markers involved blood pressure measurements, systemic vascular resistance, blood flow and microvascular and endothelial functions. The available evidence suggests neutral or potentially positive effects of short- and long-term interventions with WBV and RVE on variables related to blood coagulation, fibrinolysis, inflammatory status, oxidative stress, cardiovascular, microvascular and endothelial functions. No significant warning signs towards an increased risk of undesired clotting and venous thrombosis were identified. If confirmed by further studies, WBV and RVE could be part of the countermeasures aimed at preventing or attenuating the muscular and cardiovascular deconditioning associated with spaceflights, permanence on planetary habitats and ground-based simulations of microgravity.

Abstract The recent incidental discovery of an asymptomatic venous thrombosis (VT) in the internal jugular vein of an astronaut on the International Space Station prompted a necessary, immediate response from the space medicine community. The European Space Agency formed a topical team to review the pathophysiology, risk and clinical presentation of venous thrombosis and the evaluation of its prevention, diagnosis, mitigation, and management strategies in spaceflight. In this article, we discuss the findings of the ESA VT Topical Team over its 2-year term, report the key gaps as we see them in the above areas which are hindering understanding VT in space. We provide research recommendations in a stepwise manner that build upon existing resources, and highlight the initial steps required to enable further evaluation of this newly identified pertinent medical risk.

Abstract Objective Interventions such as written protocols and sexual assault nurse examiner programs improve outcomes for patients who have experienced acute sexual assault. How widely and in what ways such interventions have been implemented is largely unknown. We sought to characterize the current state of acute sexual assault care in New England. Methods We conducted a cross‐sectional survey of individuals acute with knowledge of emergency department (ED) operations in relation to sexual assault care at New England adult EDs. Our primary outcomes included the availability and coverage of dedicated and non‐dedicated sexual assault forensic examiners in EDs. Secondary outcomes included frequency of and reasons for patient transfer; treatment before transfer; availability of written sexual assault protocols; characteristics and scope of practice of dedicated and non‐dedicated sexual assault forensic examiners (SAFEs), provision of care in SAFEs' absence; availability, coverage, and characteristics of victim advocacy and follow‐up resources; and barriers to and facilitators of care. Results We approached all 186 distinct adult EDs in New England to recruit participants; 92 (49.5%) individuals participated, most commonly physician medical directors (n = 34, 44.1%). Two thirds of participants reported they at times have access to a dedicated (n = 52, 65%, 95% confidence interval [CI], 54.5%–75.5%) or non‐dedicated (n = 50, 64.1%; 95% CI, 53.5%–74.7%) SAFE, but fewer reported always having this access (n = 9, 17.3%; 95% CI, 7%–27.6%; n = 13, 26%; 95% CI, 13.8%–38.2%). We describe in detail findings related to our secondary outcomes. Conclusions Although SAFEs are recognized as a strategy to provide high‐quality acute sexual assault care, their availability and coverage is limited.

Background: The recent discovery of a venous thrombosis in the internal jugular vein of an astronaut has highlighted the need to predict the risk of venous thromboembolism in otherwise healthy individuals (VTE) in space. Virchow’s triad defines the three classic risk factors for VTE: blood stasis, hypercoagulability, and endothelial disruption/dysfunction. Among these risk factors, venous endothelial disruption/dysfunction remains incompletely understood, making it difficult to accurately predict risk, set up relevant prophylactic measures and initiate timely treatment of VTE, especially in an extreme environment.Methods: A qualitative systematic review focused on endothelial disruption/dysfunction was conducted following the guidelines produced by the Space Biomedicine Systematic Review Group, which are based on Cochrane review guidelines. We aimed to assess the venous endothelial biochemical and imaging markers that may predict increased risk of VTE during spaceflight by surveying the existing knowledge base surrounding these markers in analogous populations to astronauts on the ground.Results: Limited imaging markers related to endothelial dysfunction that were outside the bounds of routine clinical practice were identified. While multiple potential biomarkers were identified that may provide insight into the etiology of endothelial dysfunction and its link to future VTE, insufficient prospective evidence is available to formally recommend screening potential astronauts or healthy patients with any currently available novel biomarker.Conclusion: Our review highlights a critical knowledge gap regarding the role biomarkers of venous endothelial disruption have in predicting and identifying VTE. Future population-based prospective studies are required to link potential risk factors and biomarkers for venous endothelial dysfunction to occurrence of VTE.