Publications by authors named "O Rosales"

Background: In March 2020, responding to the COVID-19 pandemic, federal emergency waivers in the United States enabled kidney care providers (nephrologists and advanced practice providers) to substitute face-to-face in-center hemodialysis visits with telemedicine encounters. We examined whether the frequency of kidney care provider visits and hospitalizations were associated with telemedicine use in hemodialysis care.

Methods: We used Medicare claims to identify US patients receiving in-center hemodialysis during the first 16 months of the COVID-19 pandemic.

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  • Hospitalized children and their caregivers often face anxiety, and using virtual reality (VR) can help reduce this stress, but the effectiveness of different software design elements remains unclear.
  • A study involving 202 participants evaluated how aspects like fictional environments and graphics quality influence feelings of awe and overall engagement with a custom VR application.
  • Results showed that fictional settings increased awe in pediatric patients, while high-quality graphics were more effective for adult caregivers, and all measures of awe positively correlated with engagement. Future research will look into additional VR design elements.
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Background: Environmental toxicants may impact survival in children with cancer, but the literature investigating these associations remains limited. Because oil and gas developments emit several hazardous air pollutants, the authors evaluated the relationship between residential proximity to oil or gas development and survival across 21 different pediatric cancers.

Methods: The Texas Cancer Registry had 29,730 children (≤19 years old) diagnosed with a primary cancer between 1995 to 2017.

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  • The study aimed to explore how virtual reality (VR) combined with exercise affects sympathetic activity and pain perception, as a safer alternative to traditional pain medications.
  • Healthy volunteers underwent a cold pressor test while using a VR application, measuring how sympathetic activation and pain responses changed between VR-only and VR-facilitated exercise conditions.
  • Results showed higher sympathetic activity during VR-facilitated exercise, with pain perception decreasing significantly after the intervention, suggesting that this combination could be beneficial for pain management in settings like physical therapy.
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Rationale & Objective: Because of coronavirus disease 2019 (COVID-19), the US government issued emergency waivers in March 2020 that removed regulatory barriers around the use of telemedicine. For the first time, nephrologists were reimbursed for telemedicine care delivered during in-center hemodialysis. We examined the use of telemedicine for in-center hemodialysis during the first 16 months of the pandemic.

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