SYSTEMATIC REVIEW REGISTER

Inclusion criteria: this review will consider studies that include participants who are suffering from acute respiratory failure from different causes. Exclusion criteria: severely depressed level of consciousness/confusion/non-cooperative; respiratory rate <12/min; severe hypoxia, such as requiring more than 15L O2/min; large amounts of sputum; vomiting and high risk for aspiration; inability to accept NIV; recent abdominal, facial or upper airway surgery; malignancy or life expectancy <6 months because of disease other than COPD; known obstructive sleep apnea syndrome (OSA); metabolic acidotic component - StHCO3- < 20 mM

Stage 4 breast cancer women over the age of 18 years.
 

Adult dying patients over the age of 18

Inclusion criteria - this review will consider studies that include participants who are suffering from acute respiratory failure from different causes including COVID-19.
 

Young adults aged 16-25 engaged in volunteer or salaried roles within the emergency services (e.g., firefighters, police, ambulance)

Inclusion criteria: Young adults aged 16-25 years who are actively or have engaged in an emergency services role, in either a volunteer or salaried capacity.

Exclusion criteria: Children aged under 16, adults over the age of 25. Sample does not include those engaged in an emergency services role in a volunteer or salaried capacity.

Any parents of children with special needs. We will consider studies with parents of any age from high/middle income countries with child/children with special needs who have experienced inclusive education. The concept of special needs is understood in a very broad sense based on legislative systems of particular countries and includes various special educational conditions caused by disability, health problems, disorders, sociocultural factors, etc.

This review will consider studies where the participants are parents of children and young people up to the age of 18, with a diagnosis of a congenital heart disease. It is understood as a congenital heart disease the result of an abnormal development of the heart, or blood vessels near the heart, during pregnancy, which include, but are not limited to, conditions as common arterial truncus, ventricular septal defect, atrial septal defect, atrioventricular septal defect, aortic atresia/interrupted aortic arch, coarctation of aorta, double outlet right ventricle, transposition of great vessels, tetralogy of fallot, ebstein's anomaly, valvular stenosis or atresia, hypoplastic left heart and hypoplastic right heart. It is understood as parents the set of individuals who have the responsibility to provide primary care to the child/ young person. 
This review will also embrace studies including parents of children and young people with other diagnosis, as long as they have a CHD diagnosis.  This review will exclude any studies focusing on healthcare professionals’ reflections on the experience of parents, as outsider perspectives are not an outcome included in this review.

All the studies reporting mental health problems among front line healthcare workers (health workers involved in fever clinics, COVID-19 wards, treating or managing COVID-19 patients or their samples), non-frontline healthcare workers and other vulnerable populations who are not healthcare workers during COVID-19 epidemic phase will be eligible.

The studies of adult patients who lost all of their teeth (complete edentulism) in one or both jaws due to a periodontal disease, a traumatic injury, or destruction of dentition by dental caries will be included in this review. Children with congenital anomalies (below 18), partially edentulous patients, and oncologic patients receiving reconstructive surgery prior to implant treatment will be excluded.

The review will consider studies that involve older adults with type 1 and 2 diabetes. For this review, older adults are defined as those 65 years of age and over. This review is not specific to gender, sex, ethnicity, frailty, or another demographic variable. Studies that include the healthcare provider’s perception of issues related to diabetes self-management education approaches for older adults with types 1 and 2 diabetes will also be considered.