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Volume 8, Issue 2 (Annals of Bariatric Surgery 2019)
ABS 2019, 8(2): 21-25 |
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Zamaninour N, Seifollahi A, Pazouki A, Kabir A. Comparison of Dietary Intake Following Laparoscopic One Anastomosis Gastric Bypass between groups with Different Pre-operative Body Mass Index. ABS 2019; 8 (2) :21-25
URL: http://annbsurg.iums.ac.ir/article-1-237-en.html
URL: http://annbsurg.iums.ac.ir/article-1-237-en.html
1- Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran
2- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
3- Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran; Center of Excellence of European Branch of International Federation for Surgery of Obesity, Tehran, Iran
2- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences (TUMS), Tehran, Iran
3- Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran; Center of Excellence of European Branch of International Federation for Surgery of Obesity, Tehran, Iran
Abstract: (955 Views)
Background/Aim: One anastomosis gastric bypass (OAGB) is considered as a surgical treatment option for patients with morbid obesity. However, significant decreases in dietary intake and nutrient malabsorption after OAGB may potentially lead to nutritional deficiencies. This study was therefore conducted to assess and compare the mean values of dietary intake over 12 months following OAGB in patients with different pre-operative body mass index (BMI).
Methods: The study was performed on 60 patients with morbid obesity (88.3% female) who underwent OAGB between January 2011 and November 2018. The average daily nutrient intake values were obtained from food frequency questionnaires. Other data were drawn from the National Obesity Surgery Database.
Results: The mean (SD) pre-operative age, weight and BMI were 41.08 (9.41) years, 121.43 (21.01) kg, and 46.77 (6.17) kg/ m2, respectively. Participants were divided into two groups based on their pre-operative BMI (1: BMI≤ 45 kg/m2, n=29; and 2: BMI> 45 kg/m2, n= 31). The mean %EWL at one year postoperatively was 52.37±8.63 and 50.82±8.75 in groups 1 and 2, respectively. However, there was no significant difference in %EWL between groups (P=0.49). Additionally, the percentage of energy consumption from carbohydrates, protein and fats after surgery was 55.49±6.19%, 16.18±2.60% and 32.05±5.97%, respectively. No significant difference was observed in average daily energy and macronutrient intakes between groups (P>0.05 for all).
Conclusion: Pre-operative BMI values probably had no significant effect on post-operative %EWL, nor on energy and macronutrient intake. Large-scale studies are needed to confirm these findings.
Methods: The study was performed on 60 patients with morbid obesity (88.3% female) who underwent OAGB between January 2011 and November 2018. The average daily nutrient intake values were obtained from food frequency questionnaires. Other data were drawn from the National Obesity Surgery Database.
Results: The mean (SD) pre-operative age, weight and BMI were 41.08 (9.41) years, 121.43 (21.01) kg, and 46.77 (6.17) kg/ m2, respectively. Participants were divided into two groups based on their pre-operative BMI (1: BMI≤ 45 kg/m2, n=29; and 2: BMI> 45 kg/m2, n= 31). The mean %EWL at one year postoperatively was 52.37±8.63 and 50.82±8.75 in groups 1 and 2, respectively. However, there was no significant difference in %EWL between groups (P=0.49). Additionally, the percentage of energy consumption from carbohydrates, protein and fats after surgery was 55.49±6.19%, 16.18±2.60% and 32.05±5.97%, respectively. No significant difference was observed in average daily energy and macronutrient intakes between groups (P>0.05 for all).
Conclusion: Pre-operative BMI values probably had no significant effect on post-operative %EWL, nor on energy and macronutrient intake. Large-scale studies are needed to confirm these findings.
Type of Study: Original |
Subject:
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Received: 2020/12/16 | Accepted: 2020/12/7 | ePublished: 2020/12/7
Received: 2020/12/16 | Accepted: 2020/12/7 | ePublished: 2020/12/7
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