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Scidà G, Corrado A, Abuqwider J, Lupoli R, Rainone C, Della Pepa G, Masulli M, Annuzzi G, Bozzetto L. Postprandial Glucose Control With Different Hybrid Closed-Loop Systems According to Type of Meal in Adults With Type 1 Diabetes. J Diabetes Sci Technol 2024:19322968241256475. [PMID: 38840523 DOI: 10.1177/19322968241256475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
BACKGROUND Hybrid Closed-Loop Systems (HCLs) may not perform optimally on postprandial glucose control. We evaluated how first-generation and advanced HCLs manage meals varying in carbohydrates, fat, and protein. METHOD According to a cross-sectional design, seven-day food records and HCLs reports from 120 adults with type 1 diabetes (MiniMed670G: n = 40, MiniMed780G: n = 49, Control-IQ [C-IQ]: n = 31) were analyzed. Breakfasts (n = 570), lunches (n = 658), and dinners (n = 619) were divided according to the median of their carbohydrate (g)/fat (g) plus protein (g) ratio (C/FP). After breakfast (4-hour), lunch (6-hour), and dinner (6-hour), continuous glucose monitoring (CGM) metrics and early and late glucose incremental area under the curves (iAUCs) and delivered insulin doses were evaluated. The association of C/FP and HCLs with postprandial glucose and insulin patterns was analyzed by univariate analysis of variance (ANOVA) with a two-factor design. RESULTS Postprandial glucose time-in-range 70 to 180 mg/dL was optimal after breakfast (78.3 ± 26.9%), lunch (72.7 ± 26.1%), and dinner (70.8 ± 27.3%), with no significant differences between HCLs. Independent of C/FP, late glucose-iAUC after lunch was significantly lower in C-IQ users than 670G and 780G (P < .05), with no significant differences at breakfast and dinner. Postprandial insulin pattern (Ins3-6h minus Ins0-3h) differed by type of HCLs at lunch (P = .026) and dinner (P < .001), being the early insulin dose (Ins0-3h) higher than the late dose (Ins3-6h) in 670G and 780G users with an opposite pattern in C-IQ users. CONCLUSIONS Independent of different proportions of dietary carbohydrates, fat, and protein, postprandial glucose response was similar in users of different HCLs, although obtained through different automatic insulin delivery patterns.
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Affiliation(s)
- Giuseppe Scidà
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Alessandra Corrado
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Jumana Abuqwider
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Roberta Lupoli
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
| | - Carmen Rainone
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Giuseppe Della Pepa
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Maria Masulli
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Giovanni Annuzzi
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Lutgarda Bozzetto
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
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ElSayed NA, Aleppo G, Bannuru RR, Beverly EA, Bruemmer D, Collins BS, Darville A, Ekhlaspour L, Hassanein M, Hilliard ME, Johnson EL, Khunti K, Lingvay I, Matfin G, McCoy RG, Perry ML, Pilla SJ, Polsky S, Prahalad P, Pratley RE, Segal AR, Seley JJ, Stanton RC, Gabbay RA. 5. Facilitating Positive Health Behaviors and Well-being to Improve Health Outcomes: Standards of Care in Diabetes-2024. Diabetes Care 2024; 47:S77-S110. [PMID: 38078584 PMCID: PMC10725816 DOI: 10.2337/dc24-s005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
The American Diabetes Association (ADA) "Standards of Care in Diabetes" includes the ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, an interprofessional expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence-grading system for ADA's clinical practice recommendations and a full list of Professional Practice Committee members, please refer to Introduction and Methodology. Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC.
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3
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ElSayed NA, Aleppo G, Bannuru RR, Bruemmer D, Collins BS, Ekhlaspour L, Hilliard ME, Johnson EL, Khunti K, Lingvay I, Matfin G, McCoy RG, Perry ML, Pilla SJ, Polsky S, Prahalad P, Pratley RE, Segal AR, Seley JJ, Stanton RC, Gabbay RA. 14. Children and Adolescents: Standards of Care in Diabetes-2024. Diabetes Care 2024; 47:S258-S281. [PMID: 38078582 PMCID: PMC10725814 DOI: 10.2337/dc24-s014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
The American Diabetes Association (ADA) "Standards of Care in Diabetes" includes the ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, an interprofessional expert committee, are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence-grading system for ADA's clinical practice recommendations and a full list of Professional Practice Committee members, please refer to Introduction and Methodology. Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC.
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Cai Y, Li M, Zhang L, Zhang J, Su H. The effect of the modified fat-protein unit algorithm compared with that of carbohydrate counting on postprandial glucose in adults with type-1 diabetes when consuming meals with differing macronutrient compositions: a randomized crossover trial. Nutr Metab (Lond) 2023; 20:43. [PMID: 37845717 PMCID: PMC10580506 DOI: 10.1186/s12986-023-00757-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 08/25/2023] [Indexed: 10/18/2023] Open
Abstract
BACKGROUND The optimization of glucose control in type-1 diabetes is challenged by postprandial glycemic variability. This study aimed to compare the postprandial glycemic effects of carbohydrate counting and the modified fat-protein unit (FPU) algorithms following meals with different protein and fat emphases in adults with type-1 diabetes. METHODS Thirty adults with type-1 diabetes aged 18 to 45 years participated in a randomized crossover trial. In a random order, participants consumed four test meals with equivalent energy and different macronutrient emphases on four separate mornings. The modified FPU algorithms and carbohydrate counting were used to determine the insulin dose for the test meals. A continuous glucose monitoring system was used to measured postprandial glycemia. RESULTS Compared with carbohydrate counting, the modified FPU algorithm significantly decreased the late postprandial mean glucose levels (p = 0.026) in high protein-fat meals. The number of hypoglycemia episodes was similar between insulin dosing algorithms for the high protein-fat meals; hypoglycemic events were considerably higher for the modified FPU in the normal protein-fat meal (p = 0.042). CONCLUSIONS The modified FPU algorithm may improve postprandial glycemic control after consuming high protein-fat meals in adults with type-1 diabetes but may result in increased hypoglycemia risk when used with a normal protein-fat meal.
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Affiliation(s)
- Yunying Cai
- The Endocrinology Department, First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032 China
| | - Mengge Li
- Wenjiang District People’s Hospital of Chengdu, Chengdu, 611130 China
| | - Lun Zhang
- The Clinical Nutrition Department, First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032 China
| | - Jie Zhang
- The Endocrinology Department, First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032 China
| | - Heng Su
- The Endocrinology Department, First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032 China
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Annan SF, Higgins LA, Jelleryd E, Hannon T, Rose S, Salis S, Baptista J, Chinchilla P, Marcovecchio ML. ISPAD Clinical Practice Consensus Guidelines 2022: Nutritional management in children and adolescents with diabetes. Pediatr Diabetes 2022; 23:1297-1321. [PMID: 36468223 DOI: 10.1111/pedi.13429] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 09/30/2022] [Indexed: 12/07/2022] Open
Affiliation(s)
- S Francesca Annan
- Paediatric Division, University College London Hospitals, London, UK
| | - Laurie A Higgins
- Pediatric, Adolescent and Young Adult Section, Joslin Diabetes Center, Boston, Massachusetts, USA
| | - Elisabeth Jelleryd
- Medical Unit Clinical Nutrition, Karolinska University Hospital, Stockholm, Sweden
| | - Tamara Hannon
- School of Medicine, Indiana University, Indianapolis, Indiana, USA
| | - Shelley Rose
- Diabetes & Endocrinology Service, MidCentral District Health Board, Palmerston North, New Zealand
| | - Sheryl Salis
- Department of Nutrition, Nurture Health Solutions, Mumbai, India
| | | | - Paula Chinchilla
- Women's and Children's Department, London North West Healthcare NHS Trust, London, UK
| | - Maria Loredana Marcovecchio
- Department of Paediatrics, University of Cambridge and Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
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6
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Al Balwi R, Al Madani W, Al Ghamdi A. Efficacy of insulin dosing algorithms for high-fat high-protein mixed meals to control postprandial glycemic excursions in people living with type 1 diabetes: A systematic review and meta-analysis. Pediatr Diabetes 2022; 23:1635-1646. [PMID: 36263447 DOI: 10.1111/pedi.13436] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 09/26/2022] [Accepted: 10/10/2022] [Indexed: 12/29/2022] Open
Abstract
Optimizing postprandial blood glucose (PPG) levels after mixed meals that contain high fat and protein remains a challenge in the treatment of type 1 diabetes. This study evaluated the efficacy of different algorithms used for dosing insulin based on counting units of high fat and high protein (HFHP) meals with the current conventional method of counting carbohydrates alone to control PPG excursions. The MEDLINE, EMBASE, and Cochrane electronic databases were searched, with the analysis restricted to randomized control trials (RCTs). The primary outcome was the PPG (mean and standard deviation) at 240 min. The pooled final estimate was the mean difference (MD) of the PPGs at 240 min using random effect models to account for heterogeneity. In total, 15 studies were identified and included in the systemic review, of which 12 were RCTs, and three studies were non-randomized trials. The pooled MD of the PPG at 240 min was in favor of additional insulin doses in HFHP meals compared to the carbohydrate counting alone. The statistically significant results favored the combined bolus (30:70) that split over 2 h in insulin pump therapy with pooled MD of the PPG, 240 min of -24.65; 95% CI: -36.59, -8.41; and heterogeneity, 0%. Other statistically significant results favored the additional insulin added to insulin to carb ratio (ICR) of meal bolus (25-60% ICR) in multiple daily injections therapy with the pooled MD of PPG at 240 min, -21.71; 95% CI: -38.45, -4.73; and heterogeneity, 18%. Insulin treatment based on fat and protein content, in addition to carbohydrate counting, is more effective than the carbohydrate counting method alone; however, further research is warranted to determine the best equation for fat and protein counting, particularly in people with multiple daily injections.
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Affiliation(s)
- Rana Al Balwi
- Division of Pediatric Endocrinology, Department of Paediatrics, King Fahad Hospital of the University in Al Khobar, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Wedad Al Madani
- Department of Health and Sport Statistics, General Authority for Statistics, Riyadh, Saudi Arabia
| | - Amal Al Ghamdi
- Department of Family and Community Medicine, Collage of Medicine, Imam Abdulrahman bin Faisal University, Damam, Saudi Arabia
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7
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Smith TA, Marlow AA, King BR, Smart CE. Insulin strategies for dietary fat and protein in type 1 diabetes: A systematic review. Diabet Med 2021; 38:e14641. [PMID: 34251692 DOI: 10.1111/dme.14641] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 07/10/2021] [Indexed: 11/26/2022]
Abstract
AIM To identify and report the efficacy of insulin strategies used to manage glycaemia following fat and/or fat and protein meals in type 1 diabetes. METHODS A systematic literature search of medical databases from 1995 to 2021 was undertaken. Inclusion criteria were randomised controlled trials that reported at least one of the following glycaemic outcomes: mean glucose, area under the curve, time in range or hypoglycaemic episodes. RESULTS Eighteen studies were included. Thirteen studies gave additional insulin. Five studies gave an additional 30%-43% of the insulin-to-carbohydrate ratio (ICR) for 32-50 g of fat and 31%-51% ICR for 7-35 g of fat with 12-27 g of protein added to control meals. A further eight studies gave -28% to +75% ICR using algorithms based on fat and protein for meals with 19-50 g of carbohydrate, 2-79 g of fat and 10-60 g of protein, only one study reported a glycaemic benefit of giving less than an additional 24% ICR. Eight studies evaluated insulin delivery patterns. Four of six studies in pump therapy, and one of two studies in multiple daily injections showed the combination of bolus and split dose, respectively, were superior. Five studies examined the insulin dose split, four demonstrated 60%-125% ICR upfront was necessary. Two studies investigated the timing of insulin delivery, both reported administration 15 min before the meal lowered postprandial glycaemia. CONCLUSIONS Findings highlight the glycaemic benefit of an additional 24%-75% ICR for fat and fat and protein meals. For these meals, there is supportive evidence for insulin delivery in a combination bolus with a minimum upfront dose of 60% ICR, 15 min before the meal.
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Affiliation(s)
- Tenele A Smith
- Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW, Australia
- Mothers and Babies Research Centre, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Alexandra A Marlow
- Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW, Australia
- Mothers and Babies Research Centre, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
| | - Bruce R King
- Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW, Australia
- Mothers and Babies Research Centre, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- Department of Diabetes and Endocrinology, John Hunter Children's Hospital, New Lambton Heights, NSW, Australia
| | - Carmel E Smart
- Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW, Australia
- Mothers and Babies Research Centre, Hunter Medical Research Institute, New Lambton Heights, NSW, Australia
- Department of Diabetes and Endocrinology, John Hunter Children's Hospital, New Lambton Heights, NSW, Australia
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8
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Furthner D, Lukas A, Schneider AM, Mörwald K, Maruszczak K, Gombos P, Gomahr J, Steigleder-Schweiger C, Weghuber D, Pixner T. The Role of Protein and Fat Intake on Insulin Therapy in Glycaemic Control of Paediatric Type 1 Diabetes: A Systematic Review and Research Gaps. Nutrients 2021; 13:nu13103558. [PMID: 34684559 PMCID: PMC8537759 DOI: 10.3390/nu13103558] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/02/2021] [Accepted: 10/05/2021] [Indexed: 11/16/2022] Open
Abstract
Carbohydrate counting (CHC) is the established form of calculating bolus insulin for meals in children with type 1 diabetes (T1DM). With the widespread use of continuous glucose monitoring (CGM) observation time has become gapless. Recently, the impact of fat, protein and not only carbohydrates on prolonged postprandial hyperglycaemia have become more evident to patients and health-care professionals alike. However, there is no unified recommendation on how to calculate and best administer additional bolus insulin for these two macronutrients. The aim of this review is to investigate: the scientific evidence of how dietary fat and protein influence postprandial glucose levels; current recommendations on the adjustment of bolus insulin; and algorithms for insulin application in children with T1DM. A PubMed search for all articles addressing the role of fat and protein in paediatric (sub-)populations (<18 years old) and a mixed age population (paediatric and adult) with T1DM published in the last 10 years was performed. Conclusion: Only a small number of studies with a very low number of participants and high degree of heterogeneity was identified. While all studies concluded that additional bolus insulin for (high) fat and (high) protein is necessary, no consensus on when dietary fat and/or protein should be taken into calculation and no unified algorithm for insulin therapy in this context exists. A prolonged postprandial observation time is necessary to improve individual metabolic control. Further studies focusing on a stratified paediatric population to create a safe and effective algorithm, taking fat and protein into account, are necessary.
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Affiliation(s)
- Dieter Furthner
- Department of Paediatric and Adolescent Medicine, Salzkammergutklinikum Voecklabruck, 4840 Voecklabruck, Austria; (D.F.); (A.L.); (T.P.)
- Obesity Research Unit, Paracelsus Medical University, 5020 Salzburg, Austria; (A.M.S.); (K.M.); (K.M.); (J.G.)
| | - Andreas Lukas
- Department of Paediatric and Adolescent Medicine, Salzkammergutklinikum Voecklabruck, 4840 Voecklabruck, Austria; (D.F.); (A.L.); (T.P.)
- Obesity Research Unit, Paracelsus Medical University, 5020 Salzburg, Austria; (A.M.S.); (K.M.); (K.M.); (J.G.)
| | - Anna Maria Schneider
- Obesity Research Unit, Paracelsus Medical University, 5020 Salzburg, Austria; (A.M.S.); (K.M.); (K.M.); (J.G.)
- Department of Paediatrics, Paracelsus Medical University, 5020 Salzburg, Austria;
| | - Katharina Mörwald
- Obesity Research Unit, Paracelsus Medical University, 5020 Salzburg, Austria; (A.M.S.); (K.M.); (K.M.); (J.G.)
- Department of Paediatrics, Paracelsus Medical University, 5020 Salzburg, Austria;
| | - Katharina Maruszczak
- Obesity Research Unit, Paracelsus Medical University, 5020 Salzburg, Austria; (A.M.S.); (K.M.); (K.M.); (J.G.)
- Department of Paediatrics, Paracelsus Medical University, 5020 Salzburg, Austria;
| | - Petra Gombos
- Department of Paediatric and Adolescent Surgery, Paracelsus Medical University, 5020 Salzburg, Austria;
| | - Julian Gomahr
- Obesity Research Unit, Paracelsus Medical University, 5020 Salzburg, Austria; (A.M.S.); (K.M.); (K.M.); (J.G.)
- Department of Paediatrics, Paracelsus Medical University, 5020 Salzburg, Austria;
| | | | - Daniel Weghuber
- Obesity Research Unit, Paracelsus Medical University, 5020 Salzburg, Austria; (A.M.S.); (K.M.); (K.M.); (J.G.)
- Department of Paediatrics, Paracelsus Medical University, 5020 Salzburg, Austria;
- Correspondence: ; Tel.: +43-(0)-5-7255-57518
| | - Thomas Pixner
- Department of Paediatric and Adolescent Medicine, Salzkammergutklinikum Voecklabruck, 4840 Voecklabruck, Austria; (D.F.); (A.L.); (T.P.)
- Obesity Research Unit, Paracelsus Medical University, 5020 Salzburg, Austria; (A.M.S.); (K.M.); (K.M.); (J.G.)
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9
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Keating B, Smart CEM, Harray AJ, Paramalingam N, Smith G, Jones TW, King BR, Davis EA. Additional Insulin Is Required in Both the Early and Late Postprandial Periods for Meals High in Protein and Fat: A Randomized Trial. J Clin Endocrinol Metab 2021; 106:e3611-e3618. [PMID: 33954780 DOI: 10.1210/clinem/dgab318] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Indexed: 12/12/2022]
Abstract
CONTEXT The pattern and quantity of insulin required for high-protein high-fat (HPHF) meals is not well understood. OBJECTIVE This study aimed to determine the amount and delivery pattern of insulin required to maintain euglycemia for 5 hours after consuming a HPHF meal compared with a low-protein low-fat (LPLF) meal. METHODS This randomized crossover clinical trial, conducted at 2 Australian pediatric diabetes centers, included 10 patients (12-21 years of age) with type 1 diabetes for ≥ 1 year. Participants were randomized to HPHF meal (60 g protein, 40 g fat) or LPLF meal (5 g protein, 5 g fat) with identical carbohydrate content (30 g). A modified insulin clamp technique was used to determine insulin requirements to maintain postprandial euglycemia for 5 hours. Total mean insulin requirements over 5 hours were measured. RESULTS The total mean insulin requirements for the HPHF meal were significantly greater than for the LPLF meal (11.0 [CI 9.2, 12.8] units vs 5.7 [CI 3.8, 7.5] units; P = 0.001). Extra intravenous insulin was required for HPHF: 0 to 2 hours (extra 1.2 [CI 0.6, 1.6] units/h), 2 to 4 hours (extra 1.1 [CI 0.6, 1.6] units/h), and 4 to 5 hours (extra 0.6 [CI 0.1, 1.1] units/h) after the meal. There were marked inter-individual differences in the quantity of additional insulin (0.3 to 5 times more for HPHF) and the pattern of insulin delivery (0%-85% of additional insulin required in the first 2 hours). CONCLUSION The addition of protein and fat to a standardized carbohydrate meal almost doubled the mean insulin requirement, with most participants requiring half of the additional insulin in the first 2 hours.
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Affiliation(s)
- Barbara Keating
- Perth Children's Hospital, Nedlands, WA, 6009, Australia
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, 6009, Australia
| | - Carmel E M Smart
- John Hunter Children's Hospital, New Lambton Heights, NSW, 2305, Australia
- Hunter Medical Research Institute, New Lambton Heights, NSW, 2305, Australia
- University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Amelia J Harray
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, 6009, Australia
- Curtin University, Bentley, WA, 6102, Australia
| | - Nirubasini Paramalingam
- Perth Children's Hospital, Nedlands, WA, 6009, Australia
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, 6009, Australia
- The University of Western Australia, Crawley, WA, 6009, Australia
| | - Grant Smith
- Perth Children's Hospital, Nedlands, WA, 6009, Australia
| | - Timothy W Jones
- Perth Children's Hospital, Nedlands, WA, 6009, Australia
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, 6009, Australia
- The University of Western Australia, Crawley, WA, 6009, Australia
| | - Bruce R King
- John Hunter Children's Hospital, New Lambton Heights, NSW, 2305, Australia
- Hunter Medical Research Institute, New Lambton Heights, NSW, 2305, Australia
- University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Elizabeth A Davis
- Perth Children's Hospital, Nedlands, WA, 6009, Australia
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, 6009, Australia
- The University of Western Australia, Crawley, WA, 6009, Australia
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10
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Impact of Fat Intake on Blood Glucose Control and Cardiovascular Risk Factors in Children and Adolescents with Type 1 Diabetes. Nutrients 2021; 13:nu13082625. [PMID: 34444784 PMCID: PMC8401117 DOI: 10.3390/nu13082625] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 12/18/2022] Open
Abstract
Nutrition therapy is a cornerstone of type 1 diabetes (T1D) management. Glycemic control is affected by diet composition, which can contribute to the development of diabetes complications. However, the specific role of macronutrients is still debated, particularly fat intake. This review aims at assessing the relationship between fat intake and glycemic control, cardiovascular risk factors, inflammation, and microbiota, in children and adolescents with T1D. High fat meals are followed by delayed and prolonged hyperglycemia and higher glycated hemoglobin A1c levels have been frequently reported in individuals with T1D consuming high amounts of fat. High fat intake has also been associated with increased cardiovascular risk, which is higher in people with diabetes than in healthy subjects. Finally, high fat meals lead to postprandial pro-inflammatory responses through different mechanisms, including gut microbiota modifications. Different fatty acids were proposed to have a specific role in metabolic regulation, however, further investigation is still necessary. In conclusion, available evidence suggests that a high fat intake should be avoided by children and adolescents with T1D, who should be encouraged to adhere to a healthy and balanced diet, as suggested by ISPAD and ADA recommendations. This nutritional choice might be beneficial for reducing cardiovascular risk and inflammation.
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Erdal B, Caferoglu Z, Hatipoglu N. The comparison of two mealtime insulin dosing algorithms for high and low glycaemic index meals in adolescents with type 1 diabetes. Diabet Med 2021; 38:e14444. [PMID: 33119135 DOI: 10.1111/dme.14444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 10/26/2020] [Indexed: 11/27/2022]
Abstract
AIMS Postprandial glycaemic variability carries on being a clinical challenge in optimizing glucose control in type 1 diabetes. The aim of this study was to compare the postprandial glycaemic effects of carbohydrate counting and food insulin index algorithms following the consumption of protein-rich, high-fat meals with different glycaemic index (GI) in adolescents with type 1 diabetes. METHODS A randomized, single-blind and crossover trial included 15 adolescents aged 14-18 years with type 1 diabetes. Participants consumed two different test meals with similar energy, macronutrients and food insulin index but the approximately twofold difference in GI, in random order on four consecutive mornings at their home. Insulin dose for high- and low-GI test meals was determined by using the carbohydrate counting and food insulin index algorithms. Four-hour postprandial glycaemia was assessed by the continuous glucose monitoring system. RESULTS Compared with carbohydrate counting, the food insulin index algorithm significantly decreased peak glucose excursion (-57%, p = 0.02), incremental area under the curve (-65%, p = 0.02) and coefficient variation of blood glucose (-37%, p = 0.03) in the high-GI meal, though there was no difference between the two algorithms in the low-GI meal. The occurrence of hypoglycaemia did not significantly differ between insulin dosing algorithms for the high-GI (p = 0.58) and low-GI (p = 0.20) meals. CONCLUSIONS The food insulin index algorithm may be beneficial for postprandial glycaemic control after the consumption of high-GI meals in adolescents with type 1 diabetes.
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Affiliation(s)
- Busra Erdal
- Institute of Health Sciences, Department of Nutrition and Dietetics, Erciyes University, Kayseri, Turkey
| | - Zeynep Caferoglu
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Erciyes University, Kayseri, Turkey
| | - Nihal Hatipoglu
- Faculty of Medicine, Department of Paediatric Endocrinology, Erciyes University, Kayseri, Turkey
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