Effect of wearing N95 masks for 10 hours on ambulatory blood pressure in healthy adults.

The impact of wearing a face mask for an extended duration is unknown. This study aimed to determine if wearing a face mask for 10 h impacts blood pressure (BP) and arterial stiffness. Subjects received an ambulatory blood pressure cuff and were asked to wear it for 10 h while readings were taken every 15 min.

Obesity, Physical Activity, and COVID-19.

Estimates suggest that over 80% of people with COVID-19 may experience mild to no symptoms. The Centers for Disease Control and Prevention (CDC) reported that around 7-8% of positive COVID-19 cases were hospitalized in the first year of the pandemic. A substantial body of evidence points to obesity, sedentary behavior, and low physical activity levels as risk factors for susceptibility to the virus and the severity of symptoms.

Performance Optimization and Injury Mitigation for Air Force Student Fighter Pilots.

Introduction: Military fighter aircrew report high rates of cervical pain and injury. There is currently no consensus regarding the best training methods for this population. Eglin Air Force Base (AFB) and Luke AFB have multidisciplinary teams specializing in aircrew training, performance, and injury mitigation.

Re-evaluating the Need for Routine Maximal Aerobic Capacity Testing within Fighter Pilots.

There is a current belief in aviation suggesting that aerobic training may reduce G-tolerance due to potential negative impacts on arterial pressure response. Studies indicate that increasing maximal aerobic capacity (V˙o₂ max) through aerobic training does not hinder G-tolerance. Moreover, sustained centrifuge training programs revealed no instances where excessive aerobic exercise compromised a trainee's ability to complete target profiles.

Maximal Aerobic Capacity as a Predictor of Performance on ACFT Total Score of ROTC Cadets.

The Army Combat Fitness Test (ACFT) is a newly developed test that assesses the combat readiness of U.S. Army soldiers.

Body Mass Index Superior to Body Adiposity Index in Predicting Adiposity in Female Collegiate Athletes.

Body mass index (BMI) is moderately correlated with %Fat and often used to assess obesity in athletes. Limited research assesses BMI as a surrogate for %Fat in female collegiate athletes. Body Adiposity Index (BAI) is an anthropometric measurement suggested to be superior to BMI at predicting adiposity but has not been well assessed within female athletic populations.

COVID-19 Self-quarantine and Weight Gain Risk Factors in Adults.

Purpose Of Review: The COVID-19 pandemic is associated with weight gain in certain individuals. This review highlights the risk factors for weight gain during COVID-19 self-quarantine in adults.

Recent Findings: Among those who have gained weight during COVID-19 self-quarantine, self-reported body weight has increased between .

Impact of wildland firefighting on arterial stiffness and cardiorespiratory fitness.

The purpose of this study was to assess the effect of wildland firefighting on measures of cardiovascular health. The study was carried out in two parts. Part one assessed relationships between years of wildland firefighting and cardiovascular variables ( = 28).

Differing Impact of Weight Cycling on Ambulatory Blood Pressure versus Conventional Blood Pressure Assessment: A Possible Explanation to Controversy.

Background: Weight cycling (WC) is a widespread behavior associated with elevated laboratory blood pressure (BP). The impact WC may have on ambulatory BP (ABP) is unknown.

Methods: Impact of self-reported WC history on ABP was assessed via cross-sectional nonexperimental design.

Fatness and Fluctuating Body Weight: Effect on Central Vasculature.

Weight Cycling (WC) is a prevalent behavior associated with adverse cardiovascular (CV) health. However, a 2010 review on the effects of WC and blood pressure (BP) determined that there was not enough evidence to draw definitive conclusions. Central BP is the principal predictor of CV risk compared to peripheral BP.

Postexercise Hemodynamic Responses in Lean and Obese Men.

Purpose: We assessed resting central/peripheral blood pressure (BP), postexercise BP, and hemodynamic responses (stroke volume, cardiac output, and systemic vascular resistance) after acute exercise and 2 wk of aerobic training in lean and centrally obese men matched for BP.

Methods: Eight lean (body mass index < 25 kg·m, visceral fat = 279 ± 224 cm) and eight centrally obese (body mass index > 30 kg·m, visceral fat = 1471 ± 374 cm) men performed six training sessions (3 d·wk for 40 min at 65%-70% HRmax). Resting BP and hemodynamic measurements were obtained at baseline, after exercise for 60 min, and at 24 h and 48 h after the last training session.

Acute effects on cognitive performance following bouts of standing and light-intensity physical activity in a simulated workplace environment.

Objectives: To compare acute cognitive effects following bouts of standing (STAND), cycling (CYCLE) and walking (WALK) to a sit-only (SIT) condition.

Design: Randomized cross-over full-factorial study.

Methods: Nine overweight (BMI=29±3kg/m) adults (30±15years; 7 females, 2 males) completed four conditions (SIT, STAND, WALK and CYCLE) across a 6h period with a 7days washout period between conditions.

Effects of Standing and Light-Intensity Walking and Cycling on 24-h Glucose.

Purpose: This study aimed to compare 24-h and postprandial glucose responses to incremental intervals of standing (STAND), walking (WALK), and cycling (CYCLE) to a sit-only (SIT) condition.

Methods: Nine overweight/obese (body mass index = 29 ± 3 kg·m) adults (30 ± 15 yr) participated in this randomized crossover full-factorial study, with each condition performed 1 wk apart. STAND, CYCLE, and WALK intervals increased from 10 to 30 min·h (2.

Effects of Standing and Light-Intensity Activity on Ambulatory Blood Pressure.

Purpose: This study aimed to compare ambulatory blood pressure (ABP) response to accumulated standing (STAND), cycling (CYCLE), and walking (WALK) to a sitting-only (SIT) day in adults.

Methods: Nine overweight or obese (body mass index, 28.7 ± 2.

Walking Workstation Use Reduces Ambulatory Blood Pressure in Adults With Prehypertension.

Background: The acute effect of low-intensity walking on blood pressure (BP) is unclear.

Purpose: To determine if the acute use of a walking workstation reduces ambulatory blood pressure (ABP) in prehypertensive men and women.

Methods: Ten prehypertensive adults participated in a randomized, cross-over study that included a control workday and a walking workstation workday.

Diagnostic criteria for hematopoietic stem cell transplant-associated microangiopathy: results of a consensus process by an International Working Group.

Background And Objectives: There are no widely accepted criteria for the definition of hematopoietic stem cell transplant -associated microangiopathy (TAM). An International Working Group was formed to develop a consensus formulation of criteria for diagnosing clinically significant TAM.

Design And Methods: The participants proposed a list of candidate criteria, selected those considered necessary, and ranked those considered optional to identify a core set of criteria.

Posterior reversible encephalopathy syndrome in infection, sepsis, and shock.

Background And Purpose: The cause of "posterior reversible encephalopathy syndrome" (PRES) is not established. We recently encountered several patients who developed PRES in the setting of severe infection. In this study, we comprehensively reviewed the clinical and imaging features in a large cohort of patients who developed PRES, with particular attention to those with isolated infection, sepsis, or shock (I/S/S).

Variable incidence of cyclosporine and FK-506 neurotoxicity in hematopoeitic malignancies and marrow conditions after allogeneic bone marrow transplantation.

Introduction: This study examines whether malignant disease under treatment influences the incidence of cyclosporine or FK-506 neurotoxicity after myeloablative conditioning and allogeneic bone marrow transplantation (allo-BMT).

Methods: Review of 290 patients who received myeloablative conditioning prior to allo-BMT and cyclosporine/FK-506 identified 21 (7.2%) patients with neurotoxicity confirmed by computed tomography or magnetic resonance.

Pretransplantation conditioning influence on the occurrence of cyclosporine or FK-506 neurotoxicity in allogeneic bone marrow transplantation.

Background And Purpose: Transplantation conditioning regimens have been shown to affect the brain imaging appearance in patients with cyclosporine or FK-506 neurotoxicity. We assessed whether the occurrence of neurotoxicity was affected by the choice of conditioning regimen used before allogeneic bone marrow transplantation (allo-BMT).

Methods: An allo-BMT was performed in 290 patients conditioned before transplantation with myeloablative therapy.

Direct antithrombin agents ameliorate disseminated intravascular coagulation in suspected heparin-induced thrombocytopenia thrombosis syndrome.

This is a case series of 5 patients who were treated with the direct antithrombin agents (lepirudin or argatroban) for known or suspected heparin-induced thrombocytopenia thrombosis syndrome (HITTs). Coincidentally all had evidence of disseminated intravascular coagulation (DIC). The DIC parameters improved with treatment and each patient was successfully discharged from the hospital.

Factors affecting purification of CD34(+) peripheral blood stem cells using the Baxter Isolex 300i.

A total of 201 patients with breast cancer, ovarian cancer, or hematological malignancies underwent mobilization of peripheral blood stem cells (PBSC) using chemotherapy and granulocyte-colony stimulating factor (G-CSF). Stem cell products were collected using the Baxter CS3000 pheresis machine. The Baxter Isolex 300i was used to perform 240 CD34(+) cell separations on the apheresis products.

Treatment of myelodysplastic syndromes with 5-azacytidine.

Patients with myelodysplastic syndromes (MDS) who were anemic and/or thrombocytopenic were treated with 5-azacytidine (5-AZA) at a dose of 75 mg/m(2) per day SQ x 7 days. This cycle was repeated every 28 days. Forty-eight patients who received at least one cycle of 5-AZA were evaluable for response.

Etiology of cortical and white matter lesions in cyclosporin-A and FK-506 neurotoxicity.

Background And Purpose: The etiology of the neurotoxicity associated with cyclosporin-A (CsA) and FK-506 treatment is not fully understood. At our institution, we noticed a distinct, abrupt change in the imaging characteristics of CsA and FK-506 neurotoxicity, which consisted of a shift in lesion morphology from a white matter abnormality to a mixed cortical and white matter pattern. The purpose of this study was to assess clinical parameters that might explain this change.