Publications by authors named "Yuanting Zha"

Background: Subspecialist training is an important part of developing human resources for health and for some learners, may require taking place in another, higher-resourced country. Despite effective learning of skills and knowledge in a different, more highly resourced context, transfer of these skills and knowledge back to a more poorly resourced context can be a challenge. We aimed to evaluate the transfer of skills and knowledge in 2 World Federation of Societies of Anaesthesiologists (WFSA) fellowship programs.

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Background: Children are particularly vulnerable to adverse health outcomes related to climate change. Inhalational anesthetics are potent greenhouse gasses (GHGs) and contribute significantly to health care-generated emissions. Desflurane and nitrous oxide have very high global warming potentials.

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Article Synopsis
  • International standards for safe anesthesia care have been established by the WFSA and WHO, but their implementation in Guatemala, despite universal health coverage, is unclear.
  • A national survey in 2018 assessed anesthesia care in 36 public surgical hospitals using the WFSA anesthesia facility assessment tool, focusing on various factors like infrastructure, workforce, and medication availability.
  • The findings revealed a low density of anesthesia providers, with only 10% of district hospitals having continuous anesthesia presence during surgeries, and although some medications were readily available, essential ones like ketamine and epinephrine were lacking in several hospitals.
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Introduction: Little is known about the state of resuscitation services in low- and middle-income countries (LMICs), including Nigeria, Africa's most populous country. We sought to assess the cardiopulmonary resuscitation (CPR) care in referral hospitals across Nigeria to better inform capacity-building initiatives.

Methods: We designed a survey to evaluate infrastructure, equipment, personnel, training, and clinical management, as no standardized instrument for assessing resuscitation in LMICs was available.

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Introduction: Sixty million people were displaced from their homes due to conflict, persecution, or human rights violations at the end of 2014. This vulnerable population bears a disproportionate burden of disease, much of which is surgically treatable. We sought to estimate the surgical needs for forcibly displaced persons globally to inform humanitarian assistance initiatives.

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Background: Climate extremes will increase the frequency and severity of natural disasters worldwide.  Climate-related natural disasters were anticipated to affect 375 million people in 2015, more than 50% greater than the yearly average in the previous decade. To inform surgical assistance preparedness, we estimated the number of surgical procedures needed.

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Entrapment and fracture of carotid angioplasty and stenting hardware is a rare complication of percutaneous stenting procedures. We describe a case of a retained distal filter embolic protection device and guidewire in a 57-year-old male in Beijing, China. After unsuccessful attempts at removal via interventional methods, a second stent was deployed to secure the original hardware in situ, and the patient was discharged.

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Background: Over 90% of all cases of malaria worldwide occur in Africa. Current methods of diagnosis are time and labor intensive, and could lead to delayed treatment.

Methods: In this study we investigated the effectiveness of measurements of spleen, liver, and optic nerve sheath diameter (ONSD) in identifying patients with malaria or severe malaria through the use of hand-held ultrasound devices.

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Engineering vascularized tissue is crucial for its successful implantation, survival, and integration with the host tissue. Vascular smooth muscle cells (v-SMCs) provide physical support to the vasculature and aid in maintaining endothelial viability. In this study, we show an efficient derivation of v-SMCs from human embryonic stem cells (hESCs), and demonstrate their functionality and ability to support the vasculature in vitro.

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