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A Method for Custom-Contoured Cushion Fabrication Based on Pressure Mapping for Wheelchair Users to Prevent Pressure Ulcers: Feasibility Quasi-Experimental Study

A Method for Custom-Contoured Cushion Fabrication Based on Pressure Mapping for Wheelchair Users to Prevent Pressure Ulcers: Feasibility Quasi-Experimental Study

(E) The cushion profile is obtained according to the following relationship: (3)Z=(ZM−Zm Pgm−Pg M)Pg N+z M, where is the cushion thickness for each value in the 16×16 matrix in millimeters. ZM and Zm are the maximum and minimum cushion thicknesses, set to 75 mm and 40 mm, respectively. Pg M and Pgm are the maximum and minimum smoothed and normalized grayscale pressure. The offset Of is applied to the obtained surface Z according to: where S is the final profile of the cushion.

Alma De León-Hernández, Adriana Martínez-Hernández, Isabel Bolivar-Tellería, Andrea Bosch-Sánchez, María Fernanda Cabrera-Padilla, Carlos Omar López-López

JMIR Rehabil Assist Technol 2025;12:e68612

Integration of a Mental Health App (e-MICHI) Into a Blended Treatment of Depression in Adolescents: Single-Group, Naturalistic Feasibility Trial

Integration of a Mental Health App (e-MICHI) Into a Blended Treatment of Depression in Adolescents: Single-Group, Naturalistic Feasibility Trial

Using a Mann-Whitney U test, no significant difference in the evaluation of the item’s usefulness between participants with lower BDI-II scores and those with higher BDI-II scores was found (U=52.00, Z=−0.34, P=.76). Depressive symptoms decreased significantly during the blended therapy, regardless of the measure used (BDI-II, CDRS-R, and Clinical Global Impressions-Severity Scale scores), and remained stable at follow-up 3 months after using the app (Table 7).

Lena Lincke, Tim Martin-Döring, Andrea Daunke, Antonia Sadkowiak, Daria Alexandra Nolkemper, Nina Sproeber-Kolb, Stefanie Bienioschek, Olaf Reis, Michael Kölch

JMIR Form Res 2025;9:e58427