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Coronavirus disease 19 (COVID-19) is an infectious disease and is currently a global pandemic. The disease presents mainly with respiratory symptoms, but a broad spectrum of extrapulmonary complications have also been reported in the cardiovascular, gastrointestinal, and nervous systems. Peripheral nerve injury associated with COVID-19 infections can be caused by direct viral invasion or secondary immune response to neural tissue with the same receptors as alveoli, but its clinical course is poorly understood. Anterior interosseous nerve syndrome is a pure motor neuropathy that causes paralysis of the flexor pollicis longus, the flexor digitorum profundus of the index finger, and the pronator quadratus muscles. The cause of this syndrome is not clearly understood, but may be related to viral infection, autoimmune response, or vaccination. This paper reported a case of partial recovery with conservative treatment in acute anterior interosseous nerve syndrome following COVID-19 infection. [ABSTRACT FROM AUTHOR]

Diabetes patients are vulnerable to coronavirus disease 2019 (COVID-19) infection. Therefore, challenges arise concerning how to manage nutrition support to strengthen the immune system in diabetes patients. The purpose of this paper is to review the roles of macronutrients and specific micronutrients such as vitamin D, B12, folate, selenium, and zinc in supporting the immune system and examine the nutritional management method of diabetes patients during the COVID-19 pandemic. Evidence indicates that adequate amounts of protein, high omega-3 fatty acids, low refined sugars, high fiber content such as whole grains, and micronutrients including vitamin D, B12, folate, selenium, and zinc impact immune system function in diabetes patients. Consumption of a balanced diet with these nutrients is best to support the immune system in diabetes patients during the COVID-19 pandemic. [ABSTRACT FROM AUTHOR]

As the number of passengers using aircraft increases around the world, there may be more medical measures needed within the aircraft. These medical measures may also include measures against serious situations such as cardiopulmonary resuscitation (CPR). However, since the environment is different from the hospital in the aircraft, it may be difficult to cope with such a situation. Moreover, such in-flight CPR may become more difficult at a time when the proportion of out-ofhospital CPR is decreasing due to the recent COVID-19 pandemic. In this paper, I would like to summarize how in-flight CPR is performed and review the main discussions on CPR in the COVID-19 pandemic, and finally suggest how to perform a safe CPR in the COVID-19 situation. [ABSTRACT FROM AUTHOR]

In Vol. 31, No. 3, our journal prepared three review articles, an original paper, and two case reports. First, as COVID-19 continues for a long time, aviation workers, including pilots, are also experiencing mental problems such as depression. Therefore, we have compiled the basic principles for improving the mental health of pilots. Next, it is difficult to properly perform cardio-pulmonary resuscitation (CPR) when a cardiac arrest situation occurs in an aircraft. Moreover, in the context of the COVID-19 pandemic, CPR is more difficult because medical staff and other passengers may also be exposed to infections. Therefore, we have summarized the principles of CPR on board and ways to perform CPR while keeping the safety of medical staff and other passengers in the COVID-19 situation. The sudden change of gravity caused by space travel has various effects on the human body, and among them, the effect on the immune system is profound. Therefore, we reviewed the research methods to study the effect of gravity on the immune system and the results. In addition, we analyzed the demographic characteristics and health status of immigrant visa applicants who intended to immigrate to the United States over the past five years. Next, through two case reports, we reported cases of determining physical fitness for aviation service in patients who recovered after receiving appropriate treatment for chronic myeloid leukemia or renal cell carcinoma. [ABSTRACT FROM AUTHOR]