PerspectivePublished 6 July 2026Deep learning analysis of capillary refill dynamics in ischemic colitis: differentiating reversible vs. gangrenous mucosaZarqa Yasin · Hamza Sajid · Noor ul Ain Saleem · Ursula Abu NahlaFrontiers in Gastroenterologydoi 10.3389/fgstr.2026.1782255