Ronnie Matthews

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About

Dr. Ronnie Matthews is a colorectal surgeon whose research focuses on optimizing surgical outcomes in complex pelvic and abdominal procedures, particularly in anterior resection and mesenteric vascular anatomy. His most cited work, the 2018 study on the Arc of Riolan-preserving splenic flexure takedown, has garnered 29 citations and represents a critical contribution to colorectal surgery. Matthews demonstrated that preserving the Arc of Riolan—a strategic collateral vessel present in approximately 10% of individuals—during high ligation anterior resection can prevent acute anastomotic ischemia, a devastating complication. This insight has reshaped surgical technique, emphasizing the importance of identifying this vessel to safeguard proximal anastomotic blood supply. Beyond this landmark paper, Matthews has advanced understanding of mesenteric vascular variants and their clinical implications, bridging anatomical knowledge with practical surgical decision-making. His work is widely referenced in guidelines for minimally invasive colorectal surgery, and he is recognized for translating complex vascular anatomy into actionable intraoperative strategies. With a growing citation impact, Matthews continues to influence how surgeons approach splenic flexure mobilization, reducing ischemic risks and improving patient outcomes in anterior resection.