“…Of all the studies included in the systematic review, fourteen of these evaluated the use of an educational video on patient anxiety ( Sun et al, 2020 , Lattuca et al, 2018 , Torabizadeh et al, 2021 , Xia et al, 2019 , Pearson et al, 2005 , Wouters et al, 2019 , Hu et al, 2020 , Ayasrah and Ahmad, 2016 , Ahlander et al, 2018 , Ketelaars et al, 2017 , Ruffinengo et al, 2009 , Tugwell et al, 2018 , Rigatelli et al, 2009 , Habibzadeh et al, 2018 ) thirteen assessed its effect on patient satisfaction ( Bowers et al, 2017 , Sun et al, 2020 , Lattuca et al, 2018 , Jamshidi et al, 2013 , Xia et al, 2019 , Pearson et al, 2005 , Wouters et al, 2019 , Hu et al, 2020 , Ahlander et al, 2018 , Ketelaars et al, 2017 , Ruffinengo et al, 2009 , Tugwell et al, 2018 , Rigatelli et al, 2009 ) and eleven studies evaluated both variables ( Sun et al, 2020 , Lattuca et al, 2018 , Xia et al, 2019 , Pearson et al, 2005 , Wouters et al, 2019 , Hu et al, 2020 , Ahlander et al, 2018 , Ketelaars et al, 2017 , Ruffinengo et al, 2009 , Tugwell et al, 2018 , Rigatelli et al, 2009 ). Patients’ anxiety was also assessed in three studies ( Jamshidi et al, 2013 , Ayasrah and Ahmad, 2016 , Rigatelli et al, 2009 ) through hemodynamic parameters: blood pressure and heart rate.…”