Philadelphia versus Miami-J cervical collar's impact on pulmonary function.

Purpose: The purpose of this study was to compare the effect of two types of cervical collars (Philadelphia and Miami-J) on pulmonary function and ventilation in healthy volunteers through spirometry, peak flow meter, and capnograph.

Method: Initially, subjects were randomized into two groups in which the sequence of collars' fixation was reversed. Afterward, we assessed the pulmonary parameters without a cervical collar in all participants.

Chitosan biomaterials application in dentistry.

Chitosan is a natural biopolymer derived from deacetylation of chitin and it has been investigated with interdisciplinary approaches for multitude applications. Chitosan biomaterials possess unique properties such as biocompatibility, biodegradability, non-toxicity, muco-adhesion and a wide range of antibacterial and antifungal activity. Additionally, chitosan is the only cationic polysaccharide in nature and can be chemically modified to derivatives, based on the aim of function and application.

Intrathoracic Displacement of Fractured Right Humeral Head: A Case Report.

Intrathoracic displacement of the humeral head is a very uncommon condition and can be life threatening due to lung or heart injuries. There is a report of this condition where intrathoracic bone fragment was missed. Because of rare incidence there is no guideline for approach and treatment of this condition.

Study of combining virtual screening and antiviral treatments of the Sars-CoV-2 (Covid-19).

The recent epidemic outbreak of a novel human coronavirus called SARS-CoV-2 and causing the respiratory tract disease COVID-19 has reached worldwide resonance and a global effort is being undertaken to characterize the molecular features and evolutionary origins of this virus. Therefore, rapid and accurate identification of pathogenic viruses plays a vital role in selecting appropriate treatments, saving people's lives and preventing epidemics. Additionally, general treatments, coronavirus-specific treatments, and antiviral treatments useful in fighting COVID-19 are addressed.

Protection and disinfection policies against SARS-CoV-2 (COVID-19).

In late December 2019, reports from China of the incidence of pneumonia with unknown etiology were sent to the World Health Organization (WHO). Shortly afterwards, the cause of this disease was identified as the novel beta-coronavirus, SARS-CoV-2, and its genetic sequence was published on January 12, 2020. Human-to-human transmission via respiratory droplets and contact with aerosol infected surfaces are the major ways of transmitting this virus.

Clinical manifestation, diagnosis, prevention and control of SARS-CoV-2 (COVID-19) during the outbreak period.

The novel coronavirus SARS-CoV-2 (Covid-19), spreading from Wuhan, China, is one of the causes of respiratory infections that can spread to other people through respiratory particles, and can cause symptoms such as fever, dry cough, shortness of breath, anorexia, fatigue and sore throat in infected patients. This review summarizes current strategies on the diagnosis. Additionally, treatments, infection prevention and control of the SARS-CoV-2 are addressed.