Gertrude Mingrone

The Catholic University of America, Washington, Washington, D.C., United States

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Publications (3)13.94 Total impact

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    ABSTRACT: Background The effectiveness of restrictive procedures has been inferior to that of malabsorbitive ones. Recent variants of restrictive procedures, i.e., gastric banding and sleeve gastrectomy, confirm the strive for more efficacious solutions with less complications. We investigated the balance between effectiveness and complications for a new restrictive procedure, a Transoral Endoscopic Vertical Gastroplasty (TOGa®) Methods Seventy-nine morbidly obese patients were submitted to one out of three surgical procedures: TOGa® (29 patients), laparoscopic gastric bypass (LRYGBP; 20 patients), and biliopancreatic diversion (BPD; 30 patients). Mean BMI were 41.7 (35.4–46.6), 44.8 (36.4–54), and 47.5 (41–60.3), respectively. All the patients reached a 2-year follow-up. Results In TOGa® group BMI, respectively at 12 and 24 months, was 34.5 and 35.5, with 44 and 48.3 % of patients with BMI lower than 35. In LRYGBP group, BMI was 30.7 and 29.2 kg/m2, with 80 and 85 % of patients with BMI < 35. In BPD group, BMI was 30 and 29.6 kg/m2, with 100 and 93.3 % of patients with BMI < 35. In TOGa® group, 59 % of patients with an initial BMI < 45 reached a BMI < 35, in comparison to 48 % recorded in the whole group and to 14.3 % in patients with initial BMI ≥ 45. Conclusions In selected patients, TOGa®, was associated with good results after two years in terms of weight loss, even in comparison with LRYGBP and BPD. Minimal trauma, absence of complications, and short hospital stay justify this procedure for patients with low BMI.
    Obesity Surgery 09/2012; 22(12). · 3.74 Impact Factor
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    ABSTRACT: Bariatric surgery is associated with specific complications and mortality. Transoral gastroplasty (TOGA) is a transoral restrictive bariatric procedure that might offer the benefits of surgery with a reduced complication rate. To evaluate the safety and efficacy of TOGA at 12-month follow-up. Prospective, multicenter, single-arm trial. Two tertiary-care referral medical centers. This study involved 67 patients (average age 41.0 years, 47 women, baseline body mass index [BMI] 41.5 kg/m(2); 20 patients with BMI <40). The TOGA procedures were performed by using 2 stapling devices that were used to create a small, restrictive pouch along the lesser gastric curvature. The pouch is designed to give the patient a sustained feeling of satiety after small meals. Excess weight loss, excess BMI loss, safety, and improvements in quality of life, obesity-related comorbidities, and medication use. Fifty-three patients were available at the 12-month follow-up. Excess BMI loss was 33.9%, 42.6%, and 44.8% at 3, 6, and 12 months, respectively. At 12 months, excess BMI loss was 52.2% for patients with a baseline BMI of <40.0 and 41.3% for patients with a baseline BMI of ≥ 40.0 (P < .05). At 12 months, hemoglobin A(1c) levels decreased from 7.0% at baseline to 5.7% (P = .01); triglyceride levels decreased from 142.9 mg/dL to 98 mg/dL (P < .0001); high-density lipoprotein levels increased from 47.0 mg/dL to 57.5 mg/dL (P < .0001). Two complications occurred: a case of respiratory insufficiency and an asymptomatic pneumoperitoneum treated conservatively. Small number of patients. Short-term follow-up. Twenty-one percent of patients were not available for the 12-month follow-up. The TOGA procedure allowed a substantial weight loss 1 year after the operation without severe complications. A long-term evaluation is needed before definitive conclusions can be drawn.
    Gastrointestinal endoscopy 12/2011; 74(6):1248-58. · 4.90 Impact Factor
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    ABSTRACT: Obesity is associated with a high risk of coronary artery disease morbidity and mortality. Yet, postmortem studies have shown that severely obese subjects exhibit smooth coronary arteries, thus suggesting that they may be protected from atherosclerosis. We assessed vascular function and its possible determinants in a cohort of normal-weight to severely obese insulin-sensitive subjects (body mass index [BMI] 23.2-49 kg/m(2)). Seventy-one healthy, insulin-sensitive subjects (Homeostasis Model Assessment of Insulin Resistance index <2.5), divided into normal-weight (n = 13; BMI = 23.2 +/- 1.6), obese (n = 35; BMI=32.6+/-2.5), and severely obese (n=23; BMI=49.0+/-7.9) groups, were enrolled. Vascular function was evaluated by flow-mediated dilation and carotid intima-media thickness. High-sensitivity C-reactive protein, leptin, adiponectin, vascular growth factors, and CD34+KDR+/CD133+ endothelial progenitor cells, known markers of vascular health/protection, also were measured. Flow-mediated dilation was higher in severely obese than in obese and normal-weight individuals (P=.019 and P=.011 respectively). Intima-media thickness was consistently lower in severely obese than in obese individuals (P=.040) and similar in severely obese and normal-weight individuals (P >.99). Levels of high-sensitivity C-reactive protein and leptin were higher in severely obese than in obese and normal-weight individuals (high-sensitivity C-reactive protein: P=.018 and P=.05, respectively; leptin: P <.001 for both comparisons). CD34+KDR+ endothelial progenitor cells were significantly higher in severely obese versus obese individuals (P=.039). Our study demonstrates that vascular function is paradoxically better in severely obese than in obese subjects and similar to that found in normal-weight subjects. Despite higher levels of high-sensitivity C-reactive protein and leptin, severely obese individuals may be partially protected from atherosclerosis, possibly by a greater mobilization of endothelial progenitor cells.
    The American journal of medicine 08/2010; 123(8):727-34. · 5.30 Impact Factor