Fernando Mendonça1,2, Maria Manuel Silva3,4, Daniela Salazar3,4, Maria João Ferreira3,4, Jorge Pedro3,4, Vanessa Guerreiro3,4, Sara Viana5, Joao Sérgio Neves3,4,6, Sandra Belo3,4,6, Ana Varela3,4,6, Paula Freitas3,4,6, Davide Carvalho3,4,6. 1. Department of Endocrinology, Diabetes and Metabolism, Centro Hospitalar Universitário de S. João, Porto, Portugal, fernandomiguel_92@hotmail.com. 2. Faculty of Medicine, Universidade do Porto, Porto, Portugal, fernandomiguel_92@hotmail.com. 3. Department of Endocrinology, Diabetes and Metabolism, Centro Hospitalar Universitário de S. João, Porto, Portugal. 4. Faculty of Medicine, Universidade do Porto, Porto, Portugal. 5. Unidade Local de Saúde do Norte Alentejano EPE, Évora, Portugal. 6. Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Porto, Portugal.
Abstract
INTRODUCTION: Despite the abundance of data addressing the influence of patient's age on surgery-related complications, its impact on cardiometabolic outcomes following bariatric surgery has been overlooked. METHODS: Retrospective unicentric study of 1,728 obese patients who underwent bariatric surgery between January 2010 and June 2015. Patients were divided in 3 age groups, according to their age at surgery: ˂40 (n = 751), 40-59 (n = 879), and ≥60 years (n = 98). Parameters with cardiometabolic impact, such as body anthropometric measures, lipid profile, and glycemic status, before and 24 months after surgery, were compared between these groups. A multiple linear regression was performed, adjusting differences between groups for sex, surgery type, and body mass index variation. RESULTS: The group ˂40 years presented more weight loss (-35.4 ± 9.0 kg, p ˂ 0.001), greater BMI reduction (-15.8 ± 6.1 kg/m2, p ˂ 0.001), and larger changes in waist (-34 ± 13.8 cm, p ˂ 0.001) and hip circumferences (-28.7 ± 11.9 cm, p ˂ 0.05). The group of ≥60 years presented the heaviest reduction in fasting glucose (-17.7 ± 32.8 mg/dL, p ˂ 0.001) and HbA1c (0.7 ± 1.0, p ˂ 0.001), and also had a tendency to have the biggest changes in systolic blood pressure (-14.7 ± 18.7 mm Hg, p = 0.071). CONCLUSION: Patients with ≥60 years benefit the most from bariatric surgery regarding cardiometabolic parameters, presenting heavier reductions in fasting glucose, as well as HbA1c and a tendency towards a higher decrease in systolic blood pressure. No clinically significant differences in lipid profile were observed between groups.
INTRODUCTION: Despite the abundance of data addressing the influence of patient's age on surgery-related complications, its impact on cardiometabolic outcomes following bariatric surgery has been overlooked. METHODS: Retrospective unicentric study of 1,728 obesepatients who underwent bariatric surgery between January 2010 and June 2015. Patients were divided in 3 age groups, according to their age at surgery: ˂40 (n = 751), 40-59 (n = 879), and ≥60 years (n = 98). Parameters with cardiometabolic impact, such as body anthropometric measures, lipid profile, and glycemic status, before and 24 months after surgery, were compared between these groups. A multiple linear regression was performed, adjusting differences between groups for sex, surgery type, and body mass index variation. RESULTS: The group ˂40 years presented more weight loss (-35.4 ± 9.0 kg, p ˂ 0.001), greater BMI reduction (-15.8 ± 6.1 kg/m2, p ˂ 0.001), and larger changes in waist (-34 ± 13.8 cm, p ˂ 0.001) and hip circumferences (-28.7 ± 11.9 cm, p ˂ 0.05). The group of ≥60 years presented the heaviest reduction in fasting glucose (-17.7 ± 32.8 mg/dL, p ˂ 0.001) and HbA1c (0.7 ± 1.0, p ˂ 0.001), and also had a tendency to have the biggest changes in systolic blood pressure (-14.7 ± 18.7 mm Hg, p = 0.071). CONCLUSION:Patients with ≥60 years benefit the most from bariatric surgery regarding cardiometabolic parameters, presenting heavier reductions in fasting glucose, as well as HbA1c and a tendency towards a higher decrease in systolic blood pressure. No clinically significant differences in lipid profile were observed between groups.
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