“…Studies not relevant (74 articles), cadaver or imaging studies (4 articles), case reports (3 articles), reviews (5 articles), and reports in languages other than English (5 articles) were further excluded, resulting in 21 articles for full-text review. After excluding three articles lacking extractable data or with suspected cohort overlap, we identified 16 articles for systematic analysis(Figure 1a)(Arnez et al, 2004;Bodin et al, 2015;Bodin et al, 2016;Buntic, Horton, Brooks, & Althubaiti, 2011;Craggs et al, 2014;Fansa, Schirmer, Warnecke, Cervelli, & Frerichs, 2008;Fattah, Figus, Mathur, & Ramakrishnan, 2010;Hunter, Lardi, Dower, & Farhadi, 2015;Kind & Foster, 2008;Locke, Zhong, Mureau, ;Park, Alkureishi, & Song, 2015;Saint-Cyr et al, 2012;Schoeller et al, 2008;Wechselberger et al, 2016;Wechselberger & Schoeller, 2004;Werdin, Haug, Amr, & Schoeller, 2016). The initial PAP flap search yielded 252 articles.…”