{"id":907,"date":"2024-08-20T21:26:08","date_gmt":"2024-08-20T19:26:08","guid":{"rendered":"https:\/\/bariatrica.com\/?post_type=procedimiento&#038;p=907"},"modified":"2025-05-30T23:04:43","modified_gmt":"2025-05-30T21:04:43","slug":"mini-bypass-gastrico-de-anastomosis-simple-oagb","status":"publish","type":"procedimiento","link":"https:\/\/bariatrica.com\/en\/procedimiento\/mini-bypass-gastrico-de-anastomosis-simple-oagb\/","title":{"rendered":"Mini Single Anastomotic Gastric Bypass (OAGB)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"907\" class=\"elementor elementor-907\" data-elementor-post-type=\"procedimiento\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aba84f1 e-flex e-con-boxed e-con e-parent\" data-id=\"aba84f1\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1570bf elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"d1570bf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Mini Single Anastomotic Gastric Bypass (OAGB)<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d8f4e6f e-flex e-con-boxed e-con e-parent\" data-id=\"d8f4e6f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-17339b7 e-con-full e-flex e-con e-child\" data-id=\"17339b7\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-273767d elementor-widget elementor-widget-heading\" data-id=\"273767d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The One Anastomosis Gastric Bypass (OAGB), also known as \u201cmini-gastric bypass,\u201d was first performed in 2001. OAGB is a minimally invasive procedure performed laparoscopically. <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92cb854 elementor-widget elementor-widget-text-editor\" data-id=\"92cb854\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>During an OAGB procedure, the surgeon first reduces the size of the \u201cfunctional\u201d stomach by separating a tubular gastric pouch from the rest of the stomach. This tubular gastric pouch is connected (anastomosed) to the intestine, bypassing up to 200 cm of the upper intestine. This technique differs from the traditional Roux-en-Y bypass (RYGB), which requires two connections (anastomoses).<\/p><p>An OAGB typically results in a 30-40% body weight loss from baseline (60-80% excess weight loss). The most rapid weight loss occurs in the first 6 months after surgery and then continues at a slower rate for another 18 months. This weight loss is achieved through both restriction (the new gastric pouch can hold only a small amount of food) and malabsorption. Bypassing a sizable segment of intestine, the remaining intestine is not long enough for normal nutrient absorption, leading to malabsorption. Substantial weight loss can lead to dramatic improvement and even complete remission of many obesity-related comorbidities. Long-term data show that OAGB may result in slightly greater weight loss and better diabetes resolution than RYGB. 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