Abel (Cayo) Gonzalez has been an innovator in Dominican surgery. He introduced Bariatric surgery to Dominican Republic by performing the first Loop Gastric Bypass in 1978, Vertical Gastroplasty 1982, Laparoscopic Gastric Banding 2000 and Laparoscopic Roux-en Y Gastric Bypass 2002.
He was also, the first to perform higly selective Vagotromy for Peptic Ulcer.