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Stavroula A, Panagiotis K, George P, Chrysanthi B, Georgia K, Spyridon K, Irine-Ikbale S, Kyriaki K. Assessment of small nerve fiber function as an early marker of peripheral neuropathy in children and adolescents with type 1 diabetes mellitus (T1DM). Endocrine 2024:10.1007/s12020-024-03991-1. [PMID: 39127819 DOI: 10.1007/s12020-024-03991-1] [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] [Received: 06/10/2024] [Accepted: 08/02/2024] [Indexed: 08/12/2024]
Abstract
PURPOSE This study aimed to assess subclinical peripheral diabetic neuropathy (PDN) in adolescents with type 1 diabetes mellitus (T1DM). METHODS Subjects included 53 T1DM patients (age (mean ± SE): 15.8 ± 0.54 years, disease duration: 6.0 ± 0.51 years and HbA1c: 7.9 ± 0.19%), and 37 healthy gender matched controls (age: 15.6 ± 0.52 years). PDN was assessed by vibration perception threshold (VPT) and by quantitative sensory testing (QST). In controls, 95% confidence intervals were calculated. RESULTS Among patients, VPT prevalence of abnormality ranged from 60-73.4% on different sites. Higher VPT was found in patients on all examined sites (p < 0.01). In controls, VPT correlated with height (r = 0.48, p = 0.05). Regarding QST prevalence of abnormality, cold detection threshold (CDT) ranged 7.3-39.0%, cold pain threshold (CPT) ranged 22.22-29.63%, hot detection threshold (HDT) ranged 34.14-63.41%, and hot pain threshold (HPT) ranged 15.79-36.84%. In patients, CPT correlated with BMI (r = 0.42, p = 0.05) and diabetes duration, (r = 0.40, p = 0.05), HPT correlated with age (r = 0.36, p = 0.05) and height (r = 0.35, p = 0.05), while in controls with BMI (r = 0.51, p = 0.05). No correlation of VPT or QST with HbA1c was observed. CONCLUSION Adolescents with T1DM in this study, although asymptomatic, showed a high prevalence of impaired indices of PDN, highlighting potential clinical implications of early identification of PDN.
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Affiliation(s)
- Argyropoulou Stavroula
- Diabetes and Metabolism Unit, 2nd Department of Pediatrics, National and Kapodistrian University of Athens, "P&A Kyriakou" Childrens Hospital, Athens, Greece
| | - Kokotis Panagiotis
- Laboratory of Clinical Neurophysiology, First Department of Neurology, National and Kapodistrian University of Athens, "Aeginitio" University Hospital, Athens, Greece
| | - Paltoglou George
- Diabetes and Metabolism Unit, 2nd Department of Pediatrics, National and Kapodistrian University of Athens, "P&A Kyriakou" Childrens Hospital, Athens, Greece.
| | - Boutziouka Chrysanthi
- Laboratory of Clinical Neurophysiology, First Department of Neurology, National and Kapodistrian University of Athens, "Aeginitio" University Hospital, Athens, Greece
| | - Karamatzianni Georgia
- Laboratory of Clinical Neurophysiology, First Department of Neurology, National and Kapodistrian University of Athens, "Aeginitio" University Hospital, Athens, Greece
| | - Karanasios Spyridon
- Diabetes and Metabolism Unit, 2nd Department of Pediatrics, National and Kapodistrian University of Athens, "P&A Kyriakou" Childrens Hospital, Athens, Greece
| | - Sakou Irine-Ikbale
- Diabetes and Metabolism Unit, 2nd Department of Pediatrics, National and Kapodistrian University of Athens, "P&A Kyriakou" Childrens Hospital, Athens, Greece
| | - Karavanaki Kyriaki
- Diabetes and Metabolism Unit, 2nd Department of Pediatrics, National and Kapodistrian University of Athens, "P&A Kyriakou" Childrens Hospital, Athens, Greece
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do Rosário FS, Soares M, Mesquita F, Raposo JF. Naming hypoglycemia: a narrative tool for young people with type 1 diabetes and their families. Diabetol Int 2024; 15:550-561. [PMID: 39101166 PMCID: PMC11291804 DOI: 10.1007/s13340-024-00731-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 05/05/2024] [Indexed: 08/06/2024]
Abstract
Objective Hypoglycemia constitutes a communication barrier between youth with type 1 diabetes, their family members and health professionals. A narrative tool may contribute to a more effective communication. Methods Semi-structured interviews with six open-ended questions using narrative techniques collect and analyze (thematic and comparative analysis) different ways of "naming" the lived experience of hypoglycemia. Results 103 participants, 40 with type 1 Diabetes aged 10-18 years (17 female), 63 relatives (40 female). Group 1 (G1), 10-14 years old (n = 21), Group 2 (G2), 15-18 years old (n = 19), Group 3 (G3) relatives, 30-59 years old. G3 was divided, G3.1: female (n = 42) and G3.2: male (n = 21).G1 and G2 presents greater attention to symptoms. G1 refers a greater need for help, G2 emphasizes autonomy. G2 and G3 describes better the medical protocol. G1 and G2 refer more topics such as "discomfort", "frustration", "obligation", "difficulty in verbalizing", G3 refers to "gilt", "fear" and "responsibility". G3.1 refer more "symptoms", "responsibility", "fault", "incapacity". Conclusions A narrative tool enhances the singularity of a common experience, proving itself useful to adolescents, relatives, and healthcare professionals. Practice implications In addition to gathering information that is usually acquired empirically, a narrative tool exposes knowledge gaps and may allow implementing intervention strategies.
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Affiliation(s)
- Francisco Sobral do Rosário
- Diabetology Department, APDP-Diabetes Portugal, Rua Rodrigo da Fonseca, 1, 1250-189 Lisbon, Portugal
- Narrative & Medicine Research Group at CEAUL-ULICES (Lisbon University Center for English Studies), Lisbon, Portugal
| | - Marta Soares
- Narrative & Medicine Research Group at CEAUL-ULICES (Lisbon University Center for English Studies), Lisbon, Portugal
- Instituto Superior de Ciências Sociais E Políticas, Lisbon University, Lisbon, Portugal
| | - Filipe Mesquita
- Narrative & Medicine Research Group at CEAUL-ULICES (Lisbon University Center for English Studies), Lisbon, Portugal
| | - João Filipe Raposo
- Diabetology Department, APDP-Diabetes Portugal, Rua Rodrigo da Fonseca, 1, 1250-189 Lisbon, Portugal
- Nova Medical School, New University of Lisbon, Lisbon, Portugal
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Oberhauser SS, l’Allemand D, Willems EP, Gozzi T, Heldt K, Eilers M, Stasinaki A, Lütschg J, Broser PJ. Slowing of Peripheral Nerve Conduction Velocity in Children and Adolescents With Type 1 Diabetes Is Predicted by Glucose Fluctuations. Diabetes 2023; 72:1835-1840. [PMID: 37699386 PMCID: PMC10658059 DOI: 10.2337/db23-0063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 08/22/2023] [Indexed: 09/14/2023]
Abstract
Nerve conduction velocity (NCV) abnormalities are the forerunners of diabetic peripheral neuropathy (DPN). Therefore, this study aimed to analyze the effect of glucose profile quality on NCV in children and young adults with type 1 diabetes. Fifty-three children age 5 to 23 years with type 1 diabetes were recruited to participate in the study, which was conducted prospectively at the Children's Hospital of Eastern Switzerland from 2016 to 2022. Glycemic targets were recorded, and a cross-sectional nerve conduction study analyzing the peroneal, tibial, median motor, and median sensory nerves was performed. Data were compared with those of a control group of 50 healthy children. In the age- and height-matched diabetes subgroup aged 10-16 years, all four nerves showed significantly slower NCV, most pronounced for the peroneal nerve. Because height has a retarding effect on peroneal NCV, NCV was adjusted for height (dNCV). Peroneal dNCV correlated negatively with long-term glycated hemoglobin and highly significantly with glucose variability. Because high glucose variability clearly increases the risk of neuropathy, together with but also independently of the mean glucose level, this aspect of glycemic control should be given more attention in the care of individuals with diabetes. ARTICLE HIGHLIGHTS There is a strong need for the better identification of early subclinical manifestations of microvascular complications, such as diabetic peripheral neuropathy, in young individuals with diabetes. To identify peripheral neuropathy and contributing factors at an asymptomatic disease stage, and to exclude height as a known modifying factor, we performed association studies of height-adjusted nerve conduction velocity. We identified high glucose variability, especially the SD of mean glucose, as an unexpectedly strong predictor of slowed nerve conduction velocity. More attention should be paid to the goal of low glucose variability in the care of individuals with diabetes.
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Affiliation(s)
- Sarah S. Oberhauser
- Paediatric Endocrinology and Diabetology, Children’s Hospital of Eastern Switzerland, St. Gallen, Switzerland
| | - Dagmar l’Allemand
- Paediatric Endocrinology and Diabetology, Children’s Hospital of Eastern Switzerland, St. Gallen, Switzerland
| | - Erik P. Willems
- Clinical Trials Unit, Cantonal Hospital, St. Gallen, Switzerland
| | - Tiziana Gozzi
- Paediatric Endocrinology and Diabetology, Children’s Hospital of Eastern Switzerland, St. Gallen, Switzerland
| | - Katrin Heldt
- Paediatric Endocrinology and Diabetology, Children’s Hospital of Eastern Switzerland, St. Gallen, Switzerland
| | - Miriam Eilers
- Paediatric Endocrinology and Diabetology, Children’s Hospital of Eastern Switzerland, St. Gallen, Switzerland
| | - Aikaterini Stasinaki
- Paediatric Endocrinology and Diabetology, Children’s Hospital of Eastern Switzerland, St. Gallen, Switzerland
| | - Jürg Lütschg
- Paediatric Neurology, Children’s Hospital of Eastern Switzerland, St. Gallen, Switzerland
- Medical Faculty, University of Basel, Basel, Switzerland
| | - Philip J. Broser
- Paediatric Neurology, Children’s Hospital of Eastern Switzerland, St. Gallen, Switzerland
- Medical Faculty, University of Basel, Basel, Switzerland
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Fanaro GB, Marques MR, Calaza KDC, Brito R, Pessoni AM, Mendonça HR, Lemos DEDA, de Brito Alves JL, de Souza EL, Cavalcanti Neto MP. New Insights on Dietary Polyphenols for the Management of Oxidative Stress and Neuroinflammation in Diabetic Retinopathy. Antioxidants (Basel) 2023; 12:1237. [PMID: 37371967 PMCID: PMC10295526 DOI: 10.3390/antiox12061237] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Diabetic retinopathy (DR) is a neurodegenerative and vascular pathology that is considered one of the leading causes of blindness worldwide, resulting from complications of advanced diabetes mellitus (DM). Current therapies consist of protocols aiming to alleviate the existing clinical signs associated with microvascular alterations limited to the advanced disease stages. In response to the low resolution and limitations of the DR treatment, there is an urgent need to develop more effective alternative therapies to optimize glycemic, vascular, and neuronal parameters, including the reduction in the cellular damage promoted by inflammation and oxidative stress. Recent evidence has shown that dietary polyphenols reduce oxidative and inflammatory parameters of various diseases by modulating multiple cell signaling pathways and gene expression, contributing to the improvement of several chronic diseases, including metabolic and neurodegenerative diseases. However, despite the growing evidence for the bioactivities of phenolic compounds, there is still a lack of data, especially from human studies, on the therapeutic potential of these substances. This review aims to comprehensively describe and clarify the effects of dietary phenolic compounds on the pathophysiological mechanisms involved in DR, especially those of oxidative and inflammatory nature, through evidence from experimental studies. Finally, the review highlights the potential of dietary phenolic compounds as a prophylactic and therapeutic strategy and the need for further clinical studies approaching the efficacy of these substances in DR management.
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Affiliation(s)
- Gustavo Bernardes Fanaro
- Institute of Health and Biotechnology, Federal University of Amazonas, Manaus 69460000, Amazonas, Brazil;
| | | | - Karin da Costa Calaza
- Department of Neurobiology, Institute of Biology, Fluminense Federal University, Niterói 24210201, Rio de Janeiro, Brazil;
| | - Rafael Brito
- Department of Cellular and Molecular Biology, Institute of Biology, Fluminense Federal University, Niterói 24210201, Rio de Janeiro, Brazil;
| | | | - Henrique Rocha Mendonça
- Institute of Biodiversity and Sustainability (NUPEM), Federal University of Rio de Janeiro, Macaé 27965045, Rio de Janeiro, Brazil; (H.R.M.); (M.P.C.N.)
| | | | - José Luiz de Brito Alves
- Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa 58051900, Paraíba, Brazil; (D.E.d.A.L.); (J.L.d.B.A.)
| | - Evandro Leite de Souza
- Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa 58051900, Paraíba, Brazil; (D.E.d.A.L.); (J.L.d.B.A.)
| | - Marinaldo Pacífico Cavalcanti Neto
- Institute of Biodiversity and Sustainability (NUPEM), Federal University of Rio de Janeiro, Macaé 27965045, Rio de Janeiro, Brazil; (H.R.M.); (M.P.C.N.)
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Kallinikou D, Tsentidis C, Kekou K, Katsalouli M, Louraki M, Kanaka-Gantenbein C, Kanavakis E, Karavanaki K. Homozygosity of the Z-2 polymorphic variant in the aldose reductase gene promoter confers increased risk for neuropathy in children and adolescents with Type 1 diabetes. Pediatr Diabetes 2022; 23:104-114. [PMID: 34773353 DOI: 10.1111/pedi.13285] [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] [Received: 05/11/2021] [Revised: 09/13/2021] [Accepted: 09/24/2021] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Diabetic neuropathy (DN) is the least recognized complication of diabetes mellitus and may start early in the course of the disease. Aldose reductase (AKR1B1) gene promoter Z-2/Z-2 polymorphism increases the expression of AKR1B1 enzyme and may contribute to DN. SUBJECTS We evaluated 108 Type 1 diabetes (T1D) children and adolescents (mean ± SD age: 13.5 ± 3.46 years, disease duration: 5.3 ± 3.4 years) and 150 healthy controls (age: 11.9 ± 2.7 years). METHODS In both groups, pupillary dilation (PD) in darkness, postural blood pressure test (PBPT), and vibration sensation thresholds (VST) in upper and lower limbs were estimated as indices of autonomic and peripheral neuropathy, respectively. Nerve conduction studies (NCS) were performed in patients as peripheral neuropathy index. The polymorphisms of AKR1B1 gene were evaluated using microsatellite (AC)n sequence Z. RESULTS PBPT, PD, and VST impairments were more frequent in patient group compared with controls, while 38.6% of patients exhibited NCS abnormality. Gender, age, pubertal status, height, body mass index, diabetes duration, HbA1c, and anti-GAD titers were associated with neuropathy indices in patients. There was a strong correlation between PD and NCS in patients, while homozygous patients for Z-2 AKR1B1 gene polymorphism had higher prevalence of abnormal NCS (83.3% vs. 34.6%), PD (62.5% vs. 31.5%), and PBPT values compared with heterozygous or negative patients. Homozygous AKR1B1 status predicted PD, NCS, and PBPT variance, while PD, VST, NCS, and PBPT parameters accurately discriminated homozygous AKR1B1 patients. CONCLUSIONS Impaired indices of peripheral and autonomic DN were present in a significant proportion of young T1D patients. PD, VST, NCS, and PBPT parameters were simultaneously associated with homozygous state of AKR1B1 Z-2 gene polymorphism, implicating polyol metabolism with both autonomic and peripheral neuropathies.
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Affiliation(s)
- Dimitra Kallinikou
- Diabetes and Metabolism Clinic, 2nd Department of Paediatrics, National and Kapodistrian University of Athens "P&A Kyriakou" Children's Hospital, Athens, Greece
| | - Charalampos Tsentidis
- Diabetes and Metabolism Clinic, 2nd Department of Paediatrics, National and Kapodistrian University of Athens "P&A Kyriakou" Children's Hospital, Athens, Greece
| | - Kyriaki Kekou
- Laboratory of Medical Genetics, Medical School, National and Kapodistrian University of Athens, "Aghia Sophia" Children's Hospital, Athens, Greece
| | - Marina Katsalouli
- Department of Neurology, "Aghia Sophia" Children's Hospital, Athens, Greece
| | - Maria Louraki
- Diabetes and Metabolism Clinic, 2nd Department of Paediatrics, National and Kapodistrian University of Athens "P&A Kyriakou" Children's Hospital, Athens, Greece
| | - Christina Kanaka-Gantenbein
- Diabetes Center, Division of Endocrinology, Metabolism and Diabetes, First Department of Paediatrics, National and Kapodistrian University of Athens, "Aghia Sophia" Children's Hospital, Athens, Greece
| | - Emmanouil Kanavakis
- Laboratory of Medical Genetics, Medical School, National and Kapodistrian University of Athens, "Aghia Sophia" Children's Hospital, Athens, Greece
| | - Kyriaki Karavanaki
- Diabetes and Metabolism Clinic, 2nd Department of Paediatrics, National and Kapodistrian University of Athens "P&A Kyriakou" Children's Hospital, Athens, Greece
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Gut microbiota: A potential therapeutic target for management of diabetic retinopathy? Life Sci 2021; 286:120060. [PMID: 34666038 DOI: 10.1016/j.lfs.2021.120060] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/04/2021] [Accepted: 10/12/2021] [Indexed: 12/12/2022]
Abstract
Diabetic Retinopathy (DR) is one of the main complications of Diabetes Mellitus (DM), drastically impacting individuals of working age over the years, being one of the main causes of blindness in the world. The existing therapies for its treatment consist of measures that aim only to alleviate the existing clinical signs, associated with the microvasculature. These treatments are limited only to the advanced stages and not to the preclinical ones. In response to a treatment with little resolution and limited for many patients with DM, investigations of alternative therapies that make possible the improvement of the glycemic parameters and the quality of life of subjects with DR, become extremely necessary. Recent evidence has shown that deregulation of the microbiota (dysbiosis) can lead to low-grade, local and systemic inflammation, directly impacting the development of DM and its microvascular complications, including DR, in an axis called the intestine-retina. In this regard, the present review seeks to comprehensively describe the biochemical pathways involved in DR as well as the association of the modulation of these mechanisms by the intestinal microbiota, since direct changes in the microbiota can have a drastic impact on various physiological processes. Finally, emphasize the strong potential for modulation of the gut-retina axis, as therapeutic and prophylactic target for the treatment of DR.
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Bille N, Byberg S, Gishoma C, Buch Kristensen K, Lund Christensen D. HbA 1c variability and the development of nephropathy in individuals with type 1 diabetes mellitus from Rwanda. Diabetes Res Clin Pract 2021; 178:108929. [PMID: 34216679 DOI: 10.1016/j.diabres.2021.108929] [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: 09/21/2020] [Revised: 05/21/2021] [Accepted: 06/28/2021] [Indexed: 11/20/2022]
Abstract
AIM To estimate the incidence and prevalence of nephropathy and investigate whether high and fluctuating HbA1c levels were associated with development of nephropathy among T1 diabetes individuals in Rwanda. METHODS From 2009 to 2018, 471 T1 diabetes individuals from Rwanda were assessed for nephropathy (albumin-creatinine ratio (ACR) ≥ 30 mg/g). We calculated the mean HbA1c (HbA1c-MEAN) and two measures of HbA1c variability, i.e. A): intra-individual standard deviation (HbA1c-SD), adjusted for HbA1c assessments (HbA1c-AdjSD) and coefficient of variation (HbA1c-CV) and B): (number of HbA1c variability measures > 11 mmol/mol between two measures/number of comparisons between measurements)*100. We followed individuals from first ACR-measurement (baseline) until nephropathy, death or last ACR-measurement (end-of-follow-up), and calculated HRs for developing nephropathy using Cox-regression. RESULTS The incidence and prevalence of nephropathy were 25% and 40%, respectively. All HbA1c variability measures were associated with lower HRs of developing nephropathy, i.e. individuals with HbA1c-AdjSD levels of 0.8-1.5%, 1.5-2.1% and > 4.1% had 53% (95 %CI:0.26;0.86), 55% (95 %CI:0.25;0.82) and 53% (95 %CI:0.26;0.84) lower HRs, respectively, of nephropathy compared to individuals with HbA1c-AdjSD < 0.8%. Results did not change after adjustments, though some estimates were no longer significant. Individuals with adjusted HbA1c-MEAN 9.9-11.4% and > 11.4% had HRs of 1.7 (95 %CI: 0.87;3.32) and 1.8 (95 %CI: 0.94;3.50) compared to individuals with HbA1c-MEAN of 4.9-8.5%. CONCLUSION The incidence and prevalence of nephropathy was high. Higher mean HbA1c was associated with higher HRs of developing nephropathy whereas higher HbA1c variability was associated with lower HRs of nephropathy. This indicates that higher HbA1c levels rather than fluctuating HbA1c levels is a risk factor for developing nephropathy.
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Affiliation(s)
- Nathalie Bille
- World Diabetes Foundation, Department of Advocacy and Partnerships, Bagsvaerd, Denmark; University of Copenhagen, Department of Public Health, Global Health Section, Copenhagen, Denmark.
| | - Stine Byberg
- Steno Diabetes Center Copenhagen, Department of Clinical Epidemiology, Gentofte, Denmark
| | | | - Kirza Buch Kristensen
- World Diabetes Foundation, Department of Advocacy and Partnerships, Bagsvaerd, Denmark
| | - Dirk Lund Christensen
- University of Copenhagen, Department of Public Health, Global Health Section, Copenhagen, Denmark
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Zabeen B, Khaled MZ, Husain L, Aktar A, Huda K, Kamal YA, Choudhury N, Azad K. Risk factors associated with retinopathy in young people with type 1 diabetes in Bangladesh. Endocrinol Diabetes Metab 2021; 4:e00197. [PMID: 33855204 PMCID: PMC8029569 DOI: 10.1002/edm2.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 11/18/2022] Open
Abstract
Objectives Diabetic retinopathy (DR) is the most common microvascular complications seen in children and adolescents with type 1 diabetes. The aim of this study was to evaluate the prevalence of retinopathy and its association with other risk factors in young people with type 1 diabetes. Methods This study was a cross-sectional study, which was done as part of the ongoing complication assessment in the paediatric diabetes clinic in BIRDEM (Bangladesh Institute of Research and Rehabilitation of Diabetes Endocrine and Metabolic Disorders), a tertiary care hospital. Children, adolescents and young adults with type 1 diabetes who were having diabetes duration >2 years were included in this study. Retinopathy was detected using fundal photography, and grading was done by National Screening Committee of UK by trained ophthalmologists. Results Diabetic retinopathy was observed in 44 (6.6%) patients. Majority (95.4%) of them had early diabetic retinopathy in the form of mild NPDR (nonproliferative diabetic retinopathy) (R1). Patients with retinopathy had higher HbA1c 9.6[8.4-12.3] vs 9.1 [7.9-10.8] (P = .013), longer duration of diabetes 7.6 [5.5-10.7] vs 6.0 [4.5-8.2] years (P = .001) and were older 21.5 [18.0-23.0] vs 18 [16.0-21.0] years (P = .0001) compared with those without retinopathy. On multivariate regression analysis, higher age and median HbA1c were significantly associated with DR. Conclusions Higher HbA1c was the only modifiable risk factor for development of DR in our study population. Early detection of DR with improvement of glycaemic control may reduce the risk of progression of severe stages of the disease.
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Affiliation(s)
- Bedowra Zabeen
- Department of PaediatricsLife for a Child & Changing Diabetes in Children ProgrammeBangladesh Institute of Research & Rehabilitation in Diabetes, Endocrine & Metabolic Disorders (BIRDEM)Diabetic Association of BangladeshDhakaBangladesh
| | - Mohammad Zafar Khaled
- Department of OphthalmologyBangobandhu Sheikh Mujib Medical University (BSMMU)DhakaBangladesh
| | - Lutful Husain
- Orbis InternationalBangladesh Country OfficeDhakaBangladesh
| | - Asma Aktar
- National Institute of Ophthalmology (NIO)DhakaBangladesh
| | - Kamrul Huda
- Life for a child (LFAC) and Changing Diabetes in Children (CDiC) ProgrammeBIRDEM 2Diabetic Association of BangladeshDhakaBangladesh
| | - Yeasmin Afroz Kamal
- Department of OphthalmologyBangladesh Institute of Research & Rehabilitation in Diabetes, Endocrine & Metabolic Disorders (BIRDEM)DhakaBangladesh
| | - Nujhat Choudhury
- Department of OphthalmologyBangobandhu Sheikh Mujib Medical University (BSMMU)DhakaBangladesh
| | - Kishwar Azad
- Department of PaediatricsPerinatal Care ProjectBangladesh Institute of Research & Rehabilitation in Diabetes, Endocrine & Metabolic Disorders (BIRDEM)Diabetic Association of BangladeshDhakaBangladesh
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Ibfelt EH, Vistisen D, Falberg Rønn P, Pørksen S, Madsen M, Kremke B, Svensson J. Association between glycaemic outcome and BMI in Danish children with type 1 diabetes in 2000-2018: a nationwide population-based study. Diabet Med 2021; 38:e14401. [PMID: 32918312 DOI: 10.1111/dme.14401] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 08/19/2020] [Accepted: 09/03/2020] [Indexed: 10/23/2022]
Abstract
AIM To describe the development of HbA1c and BMI over time in Danish children with type 1 diabetes; and to investigate the association between HbA1c and BMI including influence of age, gender, diabetes duration, severe hypoglycaemia and treatment method. METHODS We used the nationwide Danish Registry of Childhood and Adolescent Diabetes, DanDiabKids, including annual registrations of all children with diabetes treated at Danish hospitals. With linear mixed-effects models and splines we analyzed the HbA1c and BMI development over time as well as the association between HbA1c and BMI including effects of gender, age, disease duration, hypoglycaemia and treatment method. BMI z-scores were calculated for these analyses. RESULTS For the period from 2000 to 2018, 6097 children with type 1 diabetes were identified from the DanDiabKids database. The median (interquartile range) HbA1c level was 65 (57-74) mmol/mol (8.1%) and the median BMI z-score was 0.85 in girls and 0.67 in boys. A non-linear association was found between HbA1c and BMI z-score, with the highest BMI z-score observed for HbA1c values in the range of approximately 60-70 mmol/mol (7.6-6.8%). The association was modified by gender, age and diabetes duration. Severe hypoglycaemia and insulin pump treatment had a small positive impact on BMI z-score. CONCLUSION The association between HbA1c and BMI z-score was non-linear, with the highest BMI z-score being observed for intermediate HbA1c levels; however, specific patterns depended on gender, age and diabetes duration.
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Affiliation(s)
- E H Ibfelt
- Steno Diabetes Centre Copenhagen, Gentofte, Denmark
| | - D Vistisen
- Steno Diabetes Centre Copenhagen, Gentofte, Denmark
| | | | - S Pørksen
- Zealand University Hospital, Roskilde, Denmark
- Steno Diabetes Centre Sjaelland, Holbaek, Denmark
| | - M Madsen
- Aalborg University Hospital, Aalborg, Denmark
| | - B Kremke
- Randers Regional Hospital, Randers, Denmark
| | - J Svensson
- Herlev and Gentofte Hospital, Herlev, Denmark
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Akinci G, Savelieff MG, Gallagher G, Callaghan BC, Feldman EL. Diabetic neuropathy in children and youth: New and emerging risk factors. Pediatr Diabetes 2021; 22:132-147. [PMID: 33205601 DOI: 10.1111/pedi.13153] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 11/02/2020] [Accepted: 11/12/2020] [Indexed: 12/23/2022] Open
Abstract
Pediatric neuropathy attributed to metabolic dysfunction is a well-known complication in children and youth with type 1 diabetes. Moreover, the rise of obesity and in particular of type 2 diabetes may cause an uptick in pediatric neuropathy incidence. However, despite the anticipated increase in neuropathy incidence, pathogenic insights and strategies to prevent or manage neuropathy in the setting of diabetes and obesity in children and youth remain unknown. Data from adult studies and available youth cohort studies are providing an initial understanding of potential diagnostic, management, and preventative measures in early life. This review discusses the current state of knowledge emanating from these efforts, with particular emphasis on the prevalence, clinical presentation, diagnostic approaches and considerations, and risk factors of neuropathy in type 1 and type 2 diabetes in children and youth. Also highlighted are current management strategies and recommendations for neuropathy in children and youth with diabetes. This knowledge, along with continued and sustained emphasis on identifying and eliminating modifiable risk factors, completing randomized controlled trials to assess effectiveness of strategies like weight loss and exercise, and enhancing awareness to support early detection and prevention, are pertinent to addressing the rising incidence of neuropathy associated with diabetes and obesity in children and youth.
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Affiliation(s)
- Gulcin Akinci
- Department of Neurology, University of Michigan Medicine, Ann Arbor, Michigan, USA
| | - Masha G Savelieff
- Department of Neurology, University of Michigan Medicine, Ann Arbor, Michigan, USA
| | - Gary Gallagher
- Department of Neurology, University of Michigan Medicine, Ann Arbor, Michigan, USA
| | - Brian C Callaghan
- Department of Neurology, University of Michigan Medicine, Ann Arbor, Michigan, USA
| | - Eva L Feldman
- Department of Neurology, University of Michigan Medicine, Ann Arbor, Michigan, USA
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Toppe C, Möllsten A, Waernbaum I, Schön S, Gudbjörnsdottir S, Landin-Olsson M, Dahlquist G. Decreasing Cumulative Incidence of End-Stage Renal Disease in Young Patients With Type 1 Diabetes in Sweden: A 38-Year Prospective Nationwide Study. Diabetes Care 2019; 42:27-31. [PMID: 30352897 DOI: 10.2337/dc18-1276] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 09/16/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Diabetic nephropathy is a serious complication of type 1 diabetes. Recent studies indicate that end-stage renal disease (ESRD) incidence has decreased or that the onset of ESRD has been postponed; therefore, we wanted to analyze the incidence and time trends of ESRD in Sweden. RESEARCH DESIGN AND METHODS In this study, patients with duration of type 1 diabetes >14 years and age at onset of diabetes 0-34 years were included. Three national diabetes registers were used: the Swedish Childhood Diabetes Register, the Diabetes Incidence Study in Sweden, and the National Diabetes Register. The Swedish Renal Registry, a national register on renal replacement therapy, was used to identify patients who developed ESRD. RESULTS We found that the cumulative incidence of ESRD in Sweden was low after up to 38 years of diabetes duration (5.6%). The incidence of ESRD was lower in patients with type 1 diabetes onset in 1991-2001 compared with onset in 1977-1984 and 1985-1990, independent of diabetes duration. CONCLUSIONS The risk of developing ESRD in Sweden in this population is still low and also seems to decrease with time.
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Affiliation(s)
- Cecilia Toppe
- Paediatrics, Department of Clinical Sciences, Umeå University, Umeå, Sweden .,Department of Internal Medicine, Ryhov County Hospital, Jönköping, Sweden
| | - Anna Möllsten
- Paediatrics, Department of Clinical Sciences, Umeå University, Umeå, Sweden
| | | | | | | | - Mona Landin-Olsson
- Diabetes Incidence Study in Sweden, Department of Clinical Sciences, Lund University, Lund, Sweden
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Sauder KA, Stafford JM, Mayer-Davis EJ, Jensen ET, Saydah S, Mottl A, Dolan LM, Hamman RF, Lawrence JM, Pihoker C, Marcovina S, D'Agostino RB, Dabelea D. Co-occurrence of early diabetes-related complications in adolescents and young adults with type 1 diabetes: an observational cohort study. THE LANCET. CHILD & ADOLESCENT HEALTH 2019; 3:35-43. [PMID: 30409691 PMCID: PMC6295346 DOI: 10.1016/s2352-4642(18)30309-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 09/14/2018] [Accepted: 09/17/2018] [Indexed: 12/22/2022]
Abstract
BACKGROUND One in three adolescents and young adults with type 1 diabetes have at least one early diabetes-related complication or comorbidity. We aimed to examine the prevalence and pattern of co-occurring complications in this population, as well as the related risk factors. METHODS This observational cohort study includes data from individuals diagnosed with type 1 diabetes before age 20 years who participated in the SEARCH for Diabetes in Youth Study across five sites in the USA. We assessed sociodemographic and metabolic risk factors at baseline and at follow-up, and diabetes complications at follow-up. A frequency analysis was done to examine the difference in observed versus expected prevalence (calculated using a contingency table assuming independence across cells) of co-occurring complications or comorbidities. A cluster analysis was done to identify unique clusters of participants based on demographic characteristics and metabolic risk factors. FINDINGS 1327 participants who completed the follow-up visit were included in the frequency analysis. The mean age was 10·1 (SD 3·9) years at the time of type 1 diabetes diagnosis and 18·0 (4·1) years at follow-up. At a mean diabetes duration of 7·8 [SD 1·9] years, co-occurrence of any two or more complications was observed in 78 (5·9%) participants, more frequently than expected by chance alone (58 [4·4%], p=0·015). Specifically, the complications that co-occurred more frequently than expected were retinopathy and diabetic kidney disease (11 [0·8%] vs three [0·2%]; p=0·0007), retinopathy and arterial stiffness (13 [1·0%] vs four [0·3%]; p=0·0016), and arterial stiffness and cardiovascular autonomic neuropathy (24 [1·8%] vs 13 [1·0%]; p=0·015). We identified four unique clusters characterised by progressively worsening metabolic risk factor profiles (longer duration of diabetes and higher glycated haemoglobin, non-HDL cholesterol, and waist-to-height ratio). The prevalence of at least two complications increased across the clusters (six [2·3%] of 261 in the low-risk cluster, 32 [6·3%] of 509 in the moderate-risk cluster, 28 [8%] of 348 in the high-risk cluster, and five [20·8%] of 24 in the highest-risk cluster). Compared with the low-risk and moderate-risk clusters, the high-risk and highest-risk clusters were characterised by a lower proportion of participants who were non-Hispanic white, and a higher proportion of participants who had a household income below US$50 000 and did not have private health insurance. INTERPRETATION Early complications co-occur in adolescents and young adults with type 1 diabetes more frequently than expected. Identification of individuals with adverse risk factors could enable targeted behavioural or medical interventions that reduce the likelihood of early development of lifelong diabetes-related morbidity. FUNDING US Centers for Disease Control and Prevention, US National Institutes of Health.
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Affiliation(s)
- Katherine A Sauder
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, USA.
| | - Jeanette M Stafford
- Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | | | - Elizabeth T Jensen
- Department of Epidemiology and Prevention, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Sharon Saydah
- Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Amy Mottl
- Division of Nephrology and Hypertension, University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | - Lawrence M Dolan
- Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Richard F Hamman
- Department of Epidemiology, Colorado School of Public Health, Aurora, CO, USA
| | - Jean M Lawrence
- Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, CA, USA
| | - Catherine Pihoker
- Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - Santica Marcovina
- Northwest Lipid Research Laboratory, University of Washington, Seattle, WA, USA
| | - Ralph B D'Agostino
- Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Dana Dabelea
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, USA; Department of Epidemiology, Colorado School of Public Health, Aurora, CO, USA
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Christensen MMB, Hommel EE, Jørgensen ME, von Scholten BJ, Fleischer J, Hansen CS. Prevalence of Diabetic Neuropathy in Young Adults with Type 1 Diabetes and the Association with Insulin Pump Therapy. Diabetes Technol Ther 2018; 20:787-796. [PMID: 30461290 DOI: 10.1089/dia.2018.0249] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
AIMS The aim was to investigate the prevalence of diabetic sensorimotor polyneuropathy (DSPN) and cardiovascular autonomic neuropathy (CAN) in a Danish population of young adults with type 1 diabetes (T1D) using both established and novel measuring modalities. Furthermore, to investigate the association between continuous subcutaneous insulin infusion (CSII) treatment and these complications. MATERIALS AND METHODS CAN was assessed by cardiovascular autonomic reflex tests. DSPN was assessed not only by perception of light touch and pain, vibration perception threshold (VPT), Brief Pain Inventory (BPI), and Michigan Neuropathy Screening Instrument questionnaires but also by novel modalities: electrochemical skin conductance (ESC), sural nerve conduction velocity (SNCV), and sural nerve amplitude potential (SNAP). RESULTS The study comprised 156 young adults with a mean age of 22 years (standard deviation 1.6). The prevalence of CAN and early CAN was 9% and 28.1%, respectively. Subclinical DSPN was 55.1% and confirmed DSPN was 2.6%. Prevalence of abnormal SNAP was 23.8%, SNCV was 37.1%, ESC on the hands and feet was 4% and 8%, respectively, VPT was 1.3%, and BPI questionnaire was 1.9%. No association was found between CSII treatment and the measures of DSPN and CAN. CONCLUSION DSPN and CAN are prevalent in young adults with T1D with no association found with CSII treatment. The use of novel measuring modalities identified a higher number of subjects with DSPN compared with established measures. Screening for diabetic neuropathy in young adults may be beneficial to detect and prevent nerve damages at early stages.
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Affiliation(s)
- Marie Mathilde Bjerg Christensen
- 1 Department of Clinical Epidemiology, Steno Diabetes Center Copenhagen , Gentofte, Denmark
- 2 Faculty of Health and Medical Science, University of Copenhagen , Copenhagen, Denmark
| | | | - Marit Eika Jørgensen
- 1 Department of Clinical Epidemiology, Steno Diabetes Center Copenhagen , Gentofte, Denmark
- 4 Department of Population Health and Morbidity, Health in Greenland, University of Southern Denmark , Odense, Denmark
- 6 Institute of Nursing and Health Science, University of Greenland, Nuuk, Greenland
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Karam T, Kamath YS, Rao LG, Rao KA, Shenoy SB, Bhandary SV. Diabetic retinopathy in patients with diabetic foot syndrome in South India. Indian J Ophthalmol 2018; 66:547-550. [PMID: 29582817 PMCID: PMC5892059 DOI: 10.4103/ijo.ijo_1000_17] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Purpose The purpose was to study the retinopathy status in diabetic patients with a risk of diabetic foot (DF) syndrome visiting a tertiary care hospital in South India. Methods In this cross sectional study all patients with diabetes mellitus (DM) with a risk of DF syndrome, visiting a tertiary care hospital during the study period, underwent an ophthalmological evaluation for documentation of their retinopathy status. Results One hundred and eighty-two patients diagnosed to have a risk profile for DF syndrome were included in the study. Their mean age was 59.28 years and 75.27% were males. The mean duration of Type 1 and Type 2 variants of DM was 14.9 years and 10.9 years, respectively. Of the 182 patients, 67.58% had retinopathy changes. Proliferative diabetic retinopathy (DR) constituted 17.88% of the total patients with retinopathy. An increased presence of retinopathy in patients with an increased risk grade of DF was found significant by the Chi-square test (P < 0.001). Conclusion Our study found an increased presence of DR in a South Indian cohort with DF syndrome. The severity of retinopathy was greater in patients with higher grades of risk for DF. The establishment of an association between DR and DF syndrome will help in developing an integrated management strategy for these two debilitating consequences of diabetes.
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Affiliation(s)
- Thoiba Karam
- Department of Ophthalmology, Kasturba Medical College, Manipal University, Manipal, Karnataka, India
| | - Yogish Subraya Kamath
- Department of Ophthalmology, Kasturba Medical College, Manipal University, Manipal, Karnataka, India
| | - Lavanya G Rao
- Department of Ophthalmology, Kasturba Medical College, Manipal University, Manipal, Karnataka, India
| | - Krishna Addoor Rao
- Department of Ophthalmology, Kasturba Medical College, Manipal University, Manipal, Karnataka, India
| | - Shailaja Bhat Shenoy
- Department of Ophthalmology, Kasturba Medical College, Manipal University, Manipal, Karnataka, India
| | - Sulatha V Bhandary
- Department of Ophthalmology, Kasturba Medical College, Manipal University, Manipal, Karnataka, India
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Wherrett DK, Ho J, Huot C, Legault L, Nakhla M, Rosolowsky E. Type 1 Diabetes in Children and Adolescents. Can J Diabetes 2018; 42 Suppl 1:S234-S246. [DOI: 10.1016/j.jcjd.2017.10.036] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Walter-Höliner I, Barbarini DS, Lütschg J, Blassnig-Ezeh A, Zanier U, Saely CH, Simma B. High Prevalence and Incidence of Diabetic Peripheral Neuropathy in Children and Adolescents With Type 1 Diabetes Mellitus: Results From a Five-Year Prospective Cohort Study. Pediatr Neurol 2018; 80:51-60. [PMID: 29429781 DOI: 10.1016/j.pediatrneurol.2017.11.017] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 11/26/2017] [Accepted: 11/27/2017] [Indexed: 01/14/2023]
Abstract
BACKGROUND In this prospective cohort study, we investigated the prevalence of diabetic peripheral neuropathy at baseline and after five years of follow-up in children and adolescents with type 1 diabetes mellitus using both measurements of nerve conduction velocity and clinical neurological examination. METHODS A total of 38 patients who underwent insulin pump or intensive insulin therapy were included. The subjects averaged 12.6 ± 2.4 years of age and their diabetes duration averaged 5.6 ± 3.2 years. All patients underwent a detailed physical, neurological, and electrophysiological examination, as well as laboratory testing at their annual checkup. RESULTS At baseline, the prevalence of diabetic peripheral neuropathy diagnosed using neurological examination was 13.2%, whereas nerve conduction velocity testing revealed diabetic peripheral neuropathy in 31.6%, highlighting a high prevalence of subclinical diabetic peripheral neuropathy. During follow-up, there was a strong increase in the prevalence of clinically diagnosed diabetic peripheral neuropathy, which reached 34.2% (P = 0.039) after five years; the proportion of patients with subclinical diabetic peripheral neuropathy even reached 63.2% (P = 0.002). The most significant changes in electrophysiological parameters were observed in the tibial sensory nerve (P = 0.001). CONCLUSIONS The prevalence of diabetic peripheral neuropathy in children and adolescents with type 1 diabetes mellitus was high, and there was a rapid increase in the prevalence of diabetic peripheral neuropathy during a five-year follow-up interval. Importantly, our data show that a mere clinical evaluation is not sensitive enough to diagnose diabetic peripheral neuropathy in these patients. Nerve conduction velocity measurement, which is regarded as the gold standard for the assessment of diabetic peripheral neuropathy, should be applied more broadly.
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Affiliation(s)
- Isabella Walter-Höliner
- Department of Pediatrics, Academic Teaching Hospital, Landeskrankenhaus Feldkirch, Feldkirch, Austria.
| | - Daniela Seick Barbarini
- Department of Pediatrics, Academic Teaching Hospital, Landeskrankenhaus Feldkirch, Feldkirch, Austria
| | - Jürg Lütschg
- Department of Pediatrics, Academic Teaching Hospital, Landeskrankenhaus Feldkirch, Feldkirch, Austria
| | - Anya Blassnig-Ezeh
- Department of Pediatrics, Academic Teaching Hospital, Landeskrankenhaus Feldkirch, Feldkirch, Austria
| | - Ulrike Zanier
- Department of Pediatrics, Krankenhaus der Stadt Dornbirn, Dornbirn, Austria
| | - Christoph H Saely
- Department of Medicine and Cardiology, Academic Teaching Hospital, Landeskrankenhaus Feldkirch, Feldkirch, Austria; Vorarlberg Institute for Vascular Investigation and Treatment, Vorarlberg, Austria
| | - Burkhard Simma
- Department of Pediatrics, Academic Teaching Hospital, Landeskrankenhaus Feldkirch, Feldkirch, Austria
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Zabeen B, Nahar J, Islam N, Azad K, Donaghue K. Risk Factors Associated with Microalbuminuria in Children and Adolescents with Diabetes in Bangladesh. Indian J Endocrinol Metab 2018; 22:85-88. [PMID: 29535943 PMCID: PMC5838918 DOI: 10.4103/ijem.ijem_269_17] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION Diabetic nephropathy is leading cause of morbidity and mortality of type 1 diabetes mellitus (DM). Microalbuminuria is the first clinical sign of nephropathy. METHODS This was a cross-section study with longitudinal evaluation of urinary albumin xcretion in 199 children with type 1 diabetes attending CDiC Clinic in BIRDEM over a period of two years. The aim of the study was to assess the frequency of microalbuminuria and to determine other risk factors. We collected blood and early morning spot urinary sample and analyzed for HbA1c by Clover A1c and urinary microalbumin by a DCA analyzer. Children had urinary microalbumin 30-300 mg/L on at least two occasions were categorized as having persistent microalbuminuria. Demographic and clinical data were recorded including age at onset of diabetes, age during registration, gender and duration of diabetes which were compared between patients without microalbuminuria and with microalbuminuria. RESULT Microalbuminuria developed in forty nine children and adolescents (25%). Among them 24% were Type 1, 27% were with Fibrocalculous pancreatic diabetes (FCPD) and 68% were Type 2 diabetes. Median HbA1c was higher 10.8 [9.4-12.4] vs 9.5 [8.0-11.2] (P.006) in adolescents with microalbuminuria. On logistic regression univariate analysis independent predictors of microalbuminuria were older age, systolic blood pressure, BMI SDS and mean HbA1c which remained significant in multivariate analysis as predictors of microalbuminuria. CONCLUSION We found high prevalence of microalbuminuria which was associated with higher age, systolic blood pressure, BMI SDS and HbA1c.
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Affiliation(s)
- Bedowra Zabeen
- Department of Paediatrics and Changing Diabetes in Children Program, BIRDEM, Bangladesh
- Department of Paediatrics and Changing Diabetes in Children Program, BIRDEM, Bangladesh
| | - Jebun Nahar
- Department of Paediatrics and Changing Diabetes in Children Program, BIRDEM, Bangladesh
| | - Nasreen Islam
- Department of Paediatrics and Changing Diabetes in Children Program, BIRDEM, Bangladesh
| | - Kishwar Azad
- Department of Paediatrics and Changing Diabetes in Children Program, BIRDEM, Bangladesh
- Department of Paediatrics and Changing Diabetes in Children Program, BIRDEM, Bangladesh
- Perinatal Care Project, BIRDEM, Dhaka 1000, Bangladesh
| | - Kim Donaghue
- Institute of Endocrinology and Diabetes, The Children's Hospital at Westmead Sydney, Westmead, NSW, Australia
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Hooper P, Boucher MC, Cruess A, Dawson KG, Delpero W, Greve M, Kozousek V, Lam WC, Maberley DAL. Excerpt from the Canadian Ophthalmological Society evidence-based clinical practice guidelines for the management of diabetic retinopathy. Can J Ophthalmol 2017; 52 Suppl 1:S45-S74. [PMID: 29074014 DOI: 10.1016/j.jcjo.2017.09.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Philip Hooper
- Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina)..
| | - Marie Carole Boucher
- Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina)
| | - Alan Cruess
- Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina)
| | - Keith G Dawson
- Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina)
| | - Walter Delpero
- Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina)
| | - Mark Greve
- Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina)
| | - Vladimir Kozousek
- Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina)
| | - Wai-Ching Lam
- Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina)
| | - David A L Maberley
- Philip Hooper, London, ON (Chair) (retina and uveitis); Marie Carole Boucher, Montreal, QC (retina and teleophthalmology); Alan Cruess, Halifax, NS (retina); Keith G. Dawson, Vancouver, BC (endocrinology); Walter Delpero, Ottawa, ON (cataract and strabismus); Mark Greve, Edmonton, AB (retina and teleophthalmology); Vladimir Kozousek, Halifax, NS (medical retina); Wai-Ching Lam, Toronto, ON (retina and research); David A.L. Maberley, Vancouver, BC (retina)
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Pazzagli L, Möllsten A, Waernbaum I. Marginal structural model to evaluate the joint effect of socioeconomic exposures on the risk of developing end-stage renal disease in patients with type 1 diabetes: a longitudinal study based on data from the Swedish Childhood Diabetes Study Group. Ann Epidemiol 2017; 27:479-484. [PMID: 28935026 DOI: 10.1016/j.annepidem.2017.07.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 06/28/2017] [Accepted: 07/06/2017] [Indexed: 12/20/2022]
Abstract
PURPOSE Diabetic nephropathy is a severe complication of type 1 diabetes (T1D) that may lead to renal failure and end-stage renal disease (ESRD) demanding dialysis and transplantation. The etiology of diabetic nephropathy is multifactorial and both genes and environmental and life style-related factors are involved. In this study, we investigate the effect of the socioeconomic exposures, unemployment and receiving income support, on the development of ESRD in T1D patients, using a marginal structural model (MSM) in comparison with standard logistic regression models. METHODS The study is based on the Swedish Childhood Diabetes Register which in 1977 started to register patients developing T1D before 15 years of age. In the analyses, we include patients born between 1965 and 1979, developing diabetes between 1977 and 1994, and followed until 2013 (n = 4034). A MSM was fitted to adjust for both baseline and time-varying confounders. RESULTS The main results of the analysis indicate that being unemployed for more than 1 year and receiving income support are risk factors for the development of ESRD. Multiple exposures over time to these risk factors increase the risk associated with the disease. CONCLUSIONS Using a MSM is an advanced method well suited to investigate the effect of exposures on the risk of complications of a chronic disease with longitudinal data. The results show that socioeconomic disadvantage increases the risk of developing ESRD in patients with T1D.
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Affiliation(s)
- Laura Pazzagli
- Division of Statistics, Department of Economics, University of Perugia, Perugia, Italy.
| | - Anna Möllsten
- Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden
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Toppe C, Möllsten A, Schön S, Dahlquist G. Socio-economic factors influencing the development of end-stage renal disease in people with Type 1 diabetes - a longitudinal population study. Diabet Med 2017; 34:676-682. [PMID: 27862276 DOI: 10.1111/dme.13289] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/15/2016] [Indexed: 11/27/2022]
Abstract
AIMS The development of end-stage renal disease (ESRD) in Type 1 diabetes is multifactorial. Familial socio-economic factors may influence adherence to and understanding of diabetes treatment, and also general health behaviour. We investigate how parental and personal education level and exposure to low economic status, indicated by the need for income support, influence the development of ERSD caused by Type 1 diabetes. METHODS Participants were retrieved from the nationwide Swedish Childhood Diabetes Registry, which was linked to the Swedish Renal Registry, to find people with ESRD caused by Type 1 diabetes, and to Statistic Sweden to retrieve longitudinal socio-economic data on participants and their parents. Data were analysed using Cox regression modelling. RESULTS Of 9287 people with diabetes of duration longer than 14 years, 154 had developed ESRD due to diabetes. Median diabetes duration (range) for all participants was 24.2 years (14.0-36.7 years). Low maternal education (≤ 12 years) more than doubled the risk of developing ESRD, hazard ration (HR) = 2.9 [95% confidence interval (95% CI): 1.7-4.8]. For people with a low personal level of education HR was 5.7 (3.4-9.5). In an adjusted model, the person's own education level had the highest impact on the risk of ESRD. If at least one of the parents had ever received income support the HR was 2.6 (1.9-3.6). CONCLUSIONS Socio-economic factors, both for the parents and the person with diabetes, have a strong influence on the development of ESRD in Type 1 diabetes. It is important for caregivers to give enough support to more vulnerable people and their families.
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Affiliation(s)
- C Toppe
- Department of Internal Medicine, Ryhov County Hospital, Jönköping, Sweden
- Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden
| | - A Möllsten
- Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden
| | - S Schön
- Diaverum Renal Services Group, Lund, Sweden
- Swedish Renal Registry, Jönköping, Sweden
| | - G Dahlquist
- Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden
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Blindbæk SL, Torp TL, Lundberg K, Soelberg K, Vergmann AS, Poulsen CD, Frydkjaer-Olsen U, Broe R, Rasmussen ML, Wied J, Lind M, Vestergaard AH, Peto T, Grauslund J. Noninvasive Retinal Markers in Diabetic Retinopathy: Advancing from Bench towards Bedside. J Diabetes Res 2017; 2017:2562759. [PMID: 28491870 PMCID: PMC5406729 DOI: 10.1155/2017/2562759] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 03/12/2017] [Indexed: 01/31/2023] Open
Abstract
The retinal vascular system is the only part of the human body available for direct, in vivo inspection. Noninvasive retinal markers are important to identity patients in risk of sight-threatening diabetic retinopathy. Studies have correlated structural features like retinal vascular caliber and fractals with micro- and macrovascular dysfunction in diabetes. Likewise, the retinal metabolism can be evaluated by retinal oximetry, and higher retinal venular oxygen saturation has been demonstrated in patients with diabetic retinopathy. So far, most studies have been cross-sectional, but these can only disclose associations and are not able to separate cause from effect or to establish the predictive value of retinal vascular dysfunction with respect to long-term complications. Likewise, retinal markers have not been investigated as markers of treatment outcome in patients with proliferative diabetic retinopathy and diabetic macular edema. The Department of Ophthalmology at Odense University Hospital, Denmark, has a strong tradition of studying the retinal microvasculature in diabetic retinopathy. In the present paper, we demonstrate the importance of the retinal vasculature not only as predictors of long-term microvasculopathy but also as markers of treatment outcome in sight-threatening diabetic retinopathy in well-established population-based cohorts of patients with diabetes.
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Affiliation(s)
- Søren Leer Blindbæk
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Thomas Lee Torp
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Kristian Lundberg
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Kerstin Soelberg
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Neurology, Kolding Hospital, Hospital Lillebaelt, Kolding, Denmark
- Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
- Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Anna Stage Vergmann
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Christina Døfler Poulsen
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Odense Patient Data Explorative Network (OPEN), Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Ulrik Frydkjaer-Olsen
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Rebecca Broe
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Malin Lundberg Rasmussen
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Jimmi Wied
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Majbrit Lind
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Anders Højslet Vestergaard
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Tunde Peto
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- NIHR Biomedical Research Centre at Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK
- Queen's University Belfast, Belfast, UK
| | - Jakob Grauslund
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, Odense, Denmark
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22
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King KM, King PJ, Nayar R, Wilkes S. Perceptions of Adolescent Patients of the "Lived Experience" of Type 1 Diabetes. Diabetes Spectr 2017; 30:23-35. [PMID: 28270712 PMCID: PMC5309904 DOI: 10.2337/ds15-0041] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The care and management of adolescents with type 1 diabetes presents numerous challenges that are inherent to the fears, attitudes, and perceptions of their illness. This qualitative study aimed to explore the "lived experience" of individuals with type 1 diabetes. In-depth interviews were conducted with 20 patients diagnosed with type 1 diabetes in their adolescent years to elicit their views, perceptions, and concerns regarding living with diabetes. All interviews were conducted and analyzed using the principles of grounded theory. Five categories defining the patients' lived experience were elicited: Barriers, Develop Skills, Manage Emotion, Social World, and Health Care Professionals. The problems experienced by adolescents with type 1 diabetes are multifactorial. Existentially, type 1 diabetes affects their daily activities and impinges on their academic achievement and personal aspirations. They have great difficulty coping with their health status and highlight a lack of empathy from health care professionals (HCPs). Their major fear is of hypoglycemia, resulting in their subsequent focus of preventing hypoglycemic episodes. Indeed, regardless of consequence, blood glucose levels are often deliberately kept above recommended levels, which serves to decrease the effectiveness of their health care management. This study shows that the quality of care provided for adolescent patients with type 1 diabetes is failing to meet their expectations and falls short of the essential standards commensurate with current health care policy. Improvements in long-term care management for these patients require changes in both patients' and professionals' understanding of the disease and of the ways it is managed.
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Affiliation(s)
| | | | - Rahul Nayar
- Sunderland Royal Hospital, Sunderland, Tyne and Wear, UK
| | - Scott Wilkes
- University of Sunderland, Sunderland, Tyne and Wear, UK
- Coquet Medical Group, Amble Health Centre, Amble, Northumberland, UK
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23
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Hajas G, Kissova V, Tirpakova A. A 10-yr follow-up study for the detection of peripheral neuropathy in young patients with type 1 diabetes. Pediatr Diabetes 2016; 17:632-641. [PMID: 27028140 DOI: 10.1111/pedi.12382] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 02/18/2016] [Accepted: 02/26/2016] [Indexed: 12/01/2022] Open
Abstract
OBJECTIVE The main objective of this work was to follow-up the development of diabetic neuropathy (DN) and its severity in patients with type 1 diabetes over 10 yr. Our intention was also to observe risk factor changes and verify which of them influence the development of neuropathy. The other objective was longitudinal study of electrophysiological parameters, focusing on the early diagnosis of DN. METHODS The prospective study comprised of 62 young patients with type 1 diabetes mellitus (DM) aged 13.9 ± 5.89 yr, with diabetes duration of 5.56 ± 5.11 yr, treated with an intensified insulin regimen. All patients underwent a detailed clinical neurological examination, nerve conduction study (NCS) and biothesiometry three times (baseline, after 5 yr, after 10 yr). RESULTS During the follow-up there was an increase in DN prevalence from 24.2% to 62.9% (p < 0.001). The proportion of patients with subclinical neuropathy increased from 17.7% to 46.8% (p < 0.001) and patients with clinical neuropathy from 6.5% to 16.1% (p < 0.001). The main contribution factors for rapid growth of the DN prevalence were poor glycaemic control, diabetes duration and patient's age. Regarding the conduction parameters, the most significant changes were observed in sural nerve SNAP amplitude (-5.2 m/s, p < 0.001) and sural nerve conduction velocity (-8.2 uV, p < 0.001). In contrast, the least significant changes were in peroneal nerve CMAP amplitude (-0.65 mV, p = 0.008). CONCLUSIONS The results of the study demonstrated a progressive increase in the DN prevalence over time, in particular its subclinical stages. The long-term poor glycaemic control was a determining factor in the rapid DN development. The sensory conduction parameters deteriorated faster than the motor parameters. The present study is one of few of those in type 1 DM, which in relation to risk factors assess not only the presence of neuropathy, but also its severity. The results support the necessity of a regular diagnostic search for DN in diabetic children.
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Affiliation(s)
- Gabriel Hajas
- Department of Neurology, Teaching Hospital Nitra, Constantine the Philosopher University, Nitra, Slovakia.
| | - Viera Kissova
- Department of Internal Medicine, Teaching Hospital Nitra, Constantine the Philosopher University, Nitra, Slovakia
| | - Anna Tirpakova
- Department of Mathematics, Faculty of Natural Science, Constantine the Philosopher University, Nitra, Slovakia
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24
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Rajavi Z, Safi S, Javadi MA, Azarmina M, Moradian S, Entezari M, Nourinia R, Ahmadieh H, Shirvani A, Shahraz S, Ramezani A, Dehghan MH, Shahsavari M, Soheilian M, Nikkhah H, Ziaei H, Behboudi H, Farrahi F, Falavarjani KG, Parvaresh MM, Fesharaki H, Abrishami M, Shoeibi N, Rahimi M, Javadzadeh A, Karkhaneh R, Riazi-Esfahani M, Manaviat MR, Maleki A, Kheiri B, Golbafian F. Diabetic Retinopathy Clinical Practice Guidelines: Customized for Iranian Population. J Ophthalmic Vis Res 2016; 11:394-414. [PMID: 27994809 PMCID: PMC5139552 DOI: 10.4103/2008-322x.194131] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 09/24/2016] [Indexed: 12/12/2022] Open
Abstract
PURPOSE To customize clinical practice guidelines (CPGs) for management of diabetic retinopathy (DR) in the Iranian population. METHODS Three DR CPGs (The Royal College of Ophthalmologists 2013, American Academy of Ophthalmology [Preferred Practice Pattern 2012], and Australian Diabetes Society 2008) were selected from the literature using the AGREE tool. Clinical questions were designed and summarized into four tables by the customization team. The components of the clinical questions along with pertinent recommendations extracted from the above-mentioned CPGs; details of the supporting articles and their levels of evidence; clinical recommendations considering clinical benefits, cost and side effects; and revised recommendations based on customization capability (applicability, acceptability, external validity) were recorded in 4 tables, respectively. Customized recommendations were sent to the faculty members of all universities across the country to score the recommendations from 1 to 9. RESULTS Agreed recommendations were accepted as the final recommendations while the non-agreed ones were approved after revision. Eventually, 29 customized recommendations under three major categories consisting of screening, diagnosis and treatment of DR were developed along with their sources and levels of evidence. CONCLUSION This customized CPGs for management of DR can be used to standardize the referral pathway, diagnosis and treatment of patients with diabetic retinopathy.
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Affiliation(s)
- Zhale Rajavi
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Ophthalmic Epidemiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sare Safi
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Ophthalmic Epidemiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Ali Javadi
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohsen Azarmina
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Siamak Moradian
- Ophthalmic Epidemiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Morteza Entezari
- Ophthalmic Epidemiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ramin Nourinia
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Ahmadieh
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Armin Shirvani
- Standardization and CPG Development Office, Deputy of Curative Affairs, Ministry of Health and Medical Education, Tehran, Iran
| | | | - Alireza Ramezani
- Ophthalmic Epidemiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Ophthalmology, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Dehghan
- Ophthalmic Epidemiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Ophthalmology, Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohsen Shahsavari
- Department of Ophthalmology, Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoud Soheilian
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Ophthalmology, Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Homayoun Nikkhah
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Ophthalmology, Torfeh Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hossein Ziaei
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Ophthalmic Epidemiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hasan Behboudi
- Department of Ophthalmology, Gilan University of Medical Sciences, Rasht, Iran
| | - Fereydoun Farrahi
- Department of Ophthalmology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | - Mohammad Mehdi Parvaresh
- Department of Ophthalmology, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Fesharaki
- Department of Ophthalmology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Majid Abrishami
- Department of Ophthalmology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Nasser Shoeibi
- Department of Ophthalmology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mansour Rahimi
- Department of Ophthalmology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Javadzadeh
- Department of Ophthalmology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Karkhaneh
- Department of Ophthalmology, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Riazi-Esfahani
- Department of Ophthalmology, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Alireza Maleki
- Department of Ophthalmology, Al Zahra Eye Center, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Bahareh Kheiri
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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25
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Rasmussen ML, Broe R, Frydkjaer-Olsen U, Olsen BS, Mortensen HB, Peto T, Grauslund J. Retinal vascular geometry and its association to microvascular complications in patients with type 1 diabetes: the Danish Cohort of Pediatric Diabetes 1987 (DCPD1987). Graefes Arch Clin Exp Ophthalmol 2016; 255:293-299. [PMID: 27520462 DOI: 10.1007/s00417-016-3454-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Accepted: 07/26/2016] [Indexed: 11/25/2022] Open
Abstract
PURPOSE To examine associations between retinal vascular geometry (tortuosity, branching coefficient [BC] and length-diameter ratio [LDR]) and diabetic proliferative retinopathy (PDR), nephropathy, and peripheral neuropathy in patients with type 1 diabetes mellitus (T1DM). METHODS A cohort of patients with T1DM participated in a clinical examination in 2011. Blood and urine analyses were done and retinal images taken. PDR was defined as Early Treatment Diabetic Retinopathy Study level 61 or above, nephropathy as albumin-creatinin ratio ≥300 mg/g, and neuropathy as vibration perception threshold >25 Volt. Retinal vessel parameters were measured using semi-automated software. Multiple logistic regressions were performed to investigate correlations between retinal vascular parameters and outcomes. Models were adjusted for other variables (sex, age, duration of diabetes, systolic and diastolic blood pressure, HbA1c, and presence of microvascular complications). Odds ratios were given per standard deviation in retinal vascular parameter. RESULTS Retinal vascular analyses were performed in 181 patients. Mean age and duration of diabetes were 37.0 years and 29.4 years respectively, and 50.8% were male. Prevalence of PDR, nephropathy, and neuropathy were 26.5%, 6.8%, and 10.1% , respectively. Patients with increased arteriolar BC had a higher risk of nephropathy (OR: 3.10, 95% CI: [1.01-9.54]). Patients with increased venular BC had a higher risk of neuropathy (OR: 2.11, 95% CI: [1.11-4.03]). No associations were found in patients with PDR. CONCLUSIONS By analyzing the retinal vascular tree in patients with T1DM, we found a higher risk of complications in kidneys and nerves when BC was increased. This might indicate a suboptimal construction of the vascular tree in these patients.
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Affiliation(s)
- M L Rasmussen
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, DK-5000, Odense C, Denmark.
- The Clinical Research Institute, University of Southern Denmark, Odense, Denmark.
| | - R Broe
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, DK-5000, Odense C, Denmark
- The Clinical Research Institute, University of Southern Denmark, Odense, Denmark
- OPEN Odense Patient Data Explorative Network, Odense University Hospital, Odense, Denmark
| | - U Frydkjaer-Olsen
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, DK-5000, Odense C, Denmark
- The Clinical Research Institute, University of Southern Denmark, Odense, Denmark
| | - B S Olsen
- Department of Pediatrics E, Herlev and Gentofte Hospital, Arkaden, entrance 115, Herlev Ringvej 75, Herlev, 2730, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - H B Mortensen
- Department of Pediatrics E, Herlev and Gentofte Hospital, Arkaden, entrance 115, Herlev Ringvej 75, Herlev, 2730, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - T Peto
- The Clinical Research Institute, University of Southern Denmark, Odense, Denmark
- The NIHR Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, 162 City Rd, London, EC1V 2PD, UK
| | - J Grauslund
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, DK-5000, Odense C, Denmark
- The Clinical Research Institute, University of Southern Denmark, Odense, Denmark
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26
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Natural history of retinopathy in children and young people with type 1 diabetes. Eye (Lond) 2016; 30:987-91. [PMID: 27101752 DOI: 10.1038/eye.2016.60] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Accepted: 01/20/2016] [Indexed: 11/09/2022] Open
Abstract
PurposeTo describe the prevalence and natural history of retinopathy in a cohort of children and young people with type 1 diabetes attending a tertiary hospital diabetes clinic.MethodsWe analysed retinopathy screening data from 2008 to 2010 on all eligible children using the 'Twinkle' diabetes database and the regional retinal screening database.ResultsA total of 88% (149/169) of eligible children were screened in 2008, median age 14 years, 52% male. The prevalence of retinopathy was 19.5% (30/149). All children had background retinopathy grade R1. There was significant difference in median (range) duration of diabetes, 7.7 years (0.6-13.7) vs 5 years (0.2-12.5) (P<0.001) and median (range) HbA1C, 9.1% (7.2-14) vs 8.6% (5.6-13.1) (P=0.02), between the groups with and without retinopathy. At 2- years follow-up, 12/30 (40%) had unchanged retinopathy grade R1, 10/30 (33.3%) showed resolution of changes (R0), 1/30 progressed to maculopathy, and 7/30 had no follow-up data. Median (range) HbA1C in 2008 and 2010 for the groups with stable vs resolved changes was similar, 9.1% (7.2-14.0) and 9.2% (7-14.0) vs 9.5% (7.8-14.0) and 9.2% (8.7-14.0). Of the 119 without retinopathy in 2008, 27 (22.5%) had developed retinopathy within 2 years, including 1 with pre-proliferative retinopathy and 1 with maculopathy. There was no significant difference in HbA1c between those who progressed to retinopathy (8.7% (7.1-13.1)) (8.7% (7.1-13.1)), and those who did not (8.6% (6.3-12.2)).ConclusionsPrevalence of background retinopathy in our cohort was comparable to the previously published reports, with higher HbA1c and longer duration of diabetes being significant risk factors. On short-term follow-up, Grade 1 retinopathy is likely to resolve in a third of patients and remain unchanged in just over a third.
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27
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O'Gorman JR, O'Leary O, Finner N, Quinn A, O'Gorman CS. Knowledge of carbohydrate counting and insulin dose calculations among hospital staff in a regional general paediatrics unit. SPRINGERPLUS 2015; 4:727. [PMID: 26636015 PMCID: PMC4656260 DOI: 10.1186/s40064-015-1469-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 10/26/2015] [Indexed: 01/02/2023]
Abstract
The aim of this study was to assess the carbohydrate and insulin knowledge of the staff at Children's Ark at the University Hospital, Limerick. Carbohydrate counting and insulin dose calculations based on carbohydrates and blood sugars are integral to intensive insulin management of type 1 diabetes mellitus (T1DM). The PedCarbQuiz, a validated questionnaire, was modified, and applied to the staff on our general paediatrics ward. 48/70 eligible staff responded (rate 68 %). Overall knowledge was good: 75.5 % was the average score for correctly identifying foods containing carbohydrate. However, poor scores were obtained for calculating multiple items and meal values (average score 29 %), and exact values of insulin required (average score 38 %). These results highlight the need for re-education among staff on a general paediatrics ward, to empower ward staff to contribute effectively to the education and management of patients with T1DM.
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Affiliation(s)
| | - Orla O'Leary
- The Children's Ark, University Hospital Limerick, Limerick, Ireland
| | - Natalie Finner
- The Children's Ark, University Hospital Limerick, Limerick, Ireland
| | - Anne Quinn
- The Children's Ark, University Hospital Limerick, Limerick, Ireland
| | - Clodagh S O'Gorman
- The Children's Ark, University Hospital Limerick, Limerick, Ireland ; National Children's Research Centre, Dublin, Ireland ; Centre for Interventions in Infection, Inflammation & Immunity (4i), Graduate Entry Medical School, Limerick, Ireland ; Department of Paediatrics, Graduate Entry Medical School, University of Limerick, Limerick, Ireland
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Abstract
In this article, the author reviews the long-term outcomes and their precursors of type 1 diabetes starting in youth. The author also contrasts the changing incidence of these long-term complications as we have moved from the pre-Diabetes Control and Complications Trial (DCCT) to the post-DCCT standard of care and reviews the emerging data related to complications in youths with type 2 diabetes. Finally, the author reviews the recent understanding related to the effects of diabetes on the brain and cognition.
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Affiliation(s)
- Neil H White
- Department of Pediatrics, Washington University School of Medicine, 660 South Euclid Avenue, Box 8116, St Louis, MO 63110, USA.
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29
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Broe R, Rasmussen ML, Frydkjaer-Olsen U, Olsen BS, Mortensen HB, Peto T, Grauslund J. Long-term incidence of vitrectomy and associated risk factors in young Danish patients with Type 1 diabetes: the Danish Cohort of Paediatric Diabetes 1987. Diabet Med 2015; 32:542-5. [PMID: 25399913 DOI: 10.1111/dme.12628] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/07/2014] [Indexed: 12/01/2022]
Abstract
AIMS To examine the long-term incidence of vitrectomy in young people with Type 1 diabetes. METHODS We prospectively studied 324 people with Type 1 diabetes who participated in baseline examinations in 1995. Surgical history was obtained from the Danish National Patient Registry in April 2012. RESULTS During the 17-year study period, 39 people (12.0%) underwent vitrectomy at least once. The mean age and diabetes duration at first vitrectomy were 29.8 and 22.9 years, respectively, and 64.1% of the participants were men. In multivariable Cox regression analysis, baseline age (hazard ratio 0.81 per 1 year increase), BMI (hazard ratio 1.21 per 1 kg/m(2) increase), HbA1c (hazard ratio 1.72 per 1% increase) and diabetic retinopathy (hazard ratio 2.85 and 6.07 for mild and moderate/severe diabetic retinopathy vs none, respectively) were independent predictors of vitrectomy (P < 0.05 for all variables). CONCLUSIONS Vitrectomy is a relatively common procedure in young people with Type 1 diabetes, with poor glycaemic control being the strongest modifiable risk factor.
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Affiliation(s)
- R Broe
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark; Clinical Research Institute, University of Southern Denmark, Odense, Denmark; OPEN Odense Patient Data Explorative Network, Odense University Hospital, Odense, Denmark
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Abstract
In the late 1980s all Danish children with type 1 diabetes were invited for a nationwide evaluation of glycemic control. Approximately 75% (n = 720) participated and have later been referred to as The Danish Cohort of Pediatric Diabetes 1987 (DCPD1987). The results were surprisingly poor glycemic control among these young patients which lead to a great emphasis on glycemic control in the Danish Pediatric Departments. In 1995 the participants were invited for yet another evaluation but this time with main focus on early signs of microvascular complications - 339 participated. The mean HbA1c had remained at high levels (9.6%) and 60% of the participants had some level of Diabetic Retinopathy (DR). However, as the patients with DR mostly had the very milder forms it was believed that stricter glycemic control would reverse or at least stop progression of the disease in accordance with results from the large intervention study DCCT. This was investigated further at follow-up in 2011. The first study in the present thesis aimed to describe the 16-year incidence, progression and regression of DR in 185 participants from the DCPD1987 cohort. The 16-year incidence of proliferative retinopathy (PDR), 2-step progression and regression of DR was 31.0, 64.4, and 0.0%, respectively. As expected, the participants with PDR at follow-up had significantly higher HbA1c-values at both baseline and follow-up than those without PDR. However; a significantly larger decrease in HbA1c was also observed in the group with PDR over the study period, which in accordance with DCCT should have prevented the development of PDR to some extent. A surprisingly high incidence of proliferative retinopathy amongst young patients with type 1 diabetes in Denmark was found despite improvements in HbA1c over time. The improvement in HbA1c was either too small or happened too late. This study highlights that sight-threatening diabetic retinopathy remain a major concern in type 1 diabetes and the importance of early glycemic control. Identifying high-risk patients at a very early stage is not only desired for prevention of diabetic retinopathy - neuropathy and nephropathy similarly remain frequent in type 1 diabetes. Early risk stratification will allow for timely implementation of effective interventions and for individualized screening and diabetes care. The second and third studies of this thesis provide the longest prospective studies to date on both retinal vessel calibers and retinal fractal dimensions and their predictive value on diabetic microvascular complications. Semi-automated computer software has been developed to measure smaller changes in the retinal vessels on retinal photographs. Two of the first parameters to be reliably estimated by these programs were retinal vessel calibers and retinal vascular fractal dimensions (a quantitative measure on vascular complexity). There is very limited knowledge on their predictive value on diabetic complications thus far. In the second and third study, a consistent relation between narrower retinal arteriolar calibers, wider retinal venular calibers, lower fractal dimensions and the 16-year incidences of diabetic neuropathy, nephropathy and proliferative retinopathy was found. This has never been shown before. The results on vessel analyzes provides indications of a common pathogenic pathway for diabetic microvascular complications and therefore a possibility of universal risk estimation for development of neuropathy, nephropathy and retinopathy in type 1 diabetes.
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Affiliation(s)
- Rebecca Broe
- Department of Ophthalmology; Odense University Hospital; Odense C Denmark
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Svensson MK, Tyrberg M, Nyström L, Arnqvist HJ, Bolinder J, Östman J, Gudbjörnsdottir S, Landin-Olsson M, Eriksson JW. The risk for diabetic nephropathy is low in young adults in a 17-year follow-up from the Diabetes Incidence Study in Sweden (DISS). Older age and higher BMI at diabetes onset can be important risk factors. Diabetes Metab Res Rev 2015; 31:138-46. [PMID: 25044633 DOI: 10.1002/dmrr.2574] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Accepted: 06/17/2014] [Indexed: 12/14/2022]
Abstract
AIMS The main objective of this study was to estimate the occurrence of diabetic nephropathy in a population-based cohort of patients diagnosed with diabetes as young adults (15-34 years). METHODS All 794 patients registered 1987-1988 in the Diabetes Incidence Study in Sweden (DISS) were invited to a follow-up study 15-19 years after diagnosis, and 468 (58%) participated. Analysis of islet antibodies was used to classify type of diabetes. RESULTS After median 17 years of diabetes, 15% of all patients, 14% T1DM and 25% T2DM, were diagnosed with diabetic nephropathy. Ninety-one percent had microalbuminuria and 8.6% macroalbuminuria. Older age at diagnosis (HR 1.05; 95% CI 1.01-1.10 per year) was an independent and a higher BMI at diabetes diagnosis (HR 1.04; 95% CI 1.00-1.09 per 1 kg/m²), a near-significant predictor of development of diabetic nephropathy. Age at onset of diabetes (p = 0.041), BMI (p = 0.012) and HbA1c (p < 0.001) were significant predictors of developing diabetic nephropathy between 9 and 17 years of diabetes. At 17 years of diabetes duration, a high HbA1c level (OR 1.06; 95% CI 1.03-1.08 per 1 mmol/mol increase) and systolic blood pressure (OR 1.08; 95% CI 1.05 1.12 per 1 mmHg increase) were associated with DN. CONCLUSIONS Patients with T2DM diagnosed as young adults seem to have an increased risk to develop diabetic nephropathy compared with those with T1DM. Older age and higher BMI at diagnosis of diabetes were risk markers for development of diabetic nephropathy. In addition, poor glycaemic control but not systolic blood pressure at 9 years of follow-up was a risk marker for later development of diabetic nephropathy.
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Affiliation(s)
- M K Svensson
- Department of Medicine, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
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Rasmussen ML, Broe R, Frydkjaer-Olsen U, Olsen BS, Mortensen HB, Peto T, Grauslund J. Comparison between Early Treatment Diabetic Retinopathy Study 7-field retinal photos and non-mydriatic, mydriatic and mydriatic steered widefield scanning laser ophthalmoscopy for assessment of diabetic retinopathy. J Diabetes Complications 2015; 29:99-104. [PMID: 25240716 DOI: 10.1016/j.jdiacomp.2014.08.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 08/01/2014] [Accepted: 08/20/2014] [Indexed: 10/24/2022]
Abstract
AIMS To compare non-mydriatic, mydriatic and steered mydriatic widefield retinal images with mydriatic 7-field Early Treatment Diabetic Retinopathy Study (ETDRS)-standards in grading diabetic retinopathy (DR). METHODS We examined 95 patients (190 eyes) with type 1 diabetes. A non-mydriatic, a mydriatic and four steered mydriatic 200° widefield retinal images were captured (Optos 200Tx, Optos plc, Dunfermline, Scotland) and compared to mydriatic 7-field 45° ETDRS images (Topcon 3D OCT-2000, Topcon, Tokyo, Japan). Images were graded for DR according to ETDRS-protocol by a trained and certified grader masked to the results of the corresponding grading. For agreement kappa-statistics were used. RESULTS Exact level agreement with 7-field images was found in 76.3%, 76.1% and 70.7% for non-mydriatic, mydriatic and steered mydriatic widefield images, respectively. Corresponding values for one-level agreement were 99.0%, 98.9% and 99.5%, respectively. Non-mydriatic matched mydriatic widefield images almost fully with exact and one-level agreement of 96.8% and 100.0%, respectively. Mydriatic steered images resulted in higher grading in 24 eyes. CONCLUSIONS Widefield images matched 7-field images favorably. Widefield images can be captured without pupil-dilation and only one image is needed. However, because of overlapping eyelashes and distortion some lesion might be missed. Mydriatic steered images in selected cases may solve some of these problems.
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Affiliation(s)
- Malin L Rasmussen
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, DK-5000 Odense C, Denmark; The Institute of Clinical Research, University of Southern Denmark, Odense, Denmark.
| | - Rebecca Broe
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, DK-5000 Odense C, Denmark; The Institute of Clinical Research, University of Southern Denmark, Odense, Denmark; OPEN, Odense Patient data Explorative Network, Odense University Hospital, Odense, Denmark.
| | - Ulrik Frydkjaer-Olsen
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, DK-5000 Odense C, Denmark; The Institute of Clinical Research, University of Southern Denmark, Odense, Denmark.
| | - Birthe S Olsen
- Department of Pediatrics E, Herlev Hospital, Turkisvej 14, DK-2730 Herlev, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark.
| | - Henrik B Mortensen
- Department of Pediatrics E, Herlev Hospital, Turkisvej 14, DK-2730 Herlev, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark.
| | - Tunde Peto
- The NIHR Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust and UCL institute of Ophthalmology, 162 City Rd, London EC1V 2PD, United Kingdom; The Institute of Clinical Research, University of Southern Denmark, Odense, Denmark.
| | - Jakob Grauslund
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, DK-5000 Odense C, Denmark; The Institute of Clinical Research, University of Southern Denmark, Odense, Denmark.
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Marshall SL, Edidin DV, Arena VC, Becker DJ, Bunker CH, Gishoma C, Gishoma F, LaPorte RE, Kaberuka V, Ogle G, Sibomana L, Orchard TJ. Glucose control in Rwandan youth with type 1 diabetes following establishment of systematic, HbA1c based, care and education. Diabetes Res Clin Pract 2015; 107:113-22. [PMID: 25458328 PMCID: PMC4300260 DOI: 10.1016/j.diabres.2014.09.045] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 08/26/2014] [Accepted: 09/15/2014] [Indexed: 12/18/2022]
Abstract
AIMS To assess change in glycemic control concurrent with increased clinic visits, HbA1c testing, and education. Rates of complications were also examined. METHODS A 1-2 year follow-up of 214 members of the Rwanda Life for a Child program (aged <26 years) with a first HbA1c between June 2009 and November 2010 was conducted. Data were analyzed for the entire cohort and by age (<18 years, ≥18 years). Trajectory analysis was performed to identify trends in HbA1c. RESULTS Mean overall HbA1c decreased significantly from baseline (11.2 ± 2.7%; 99 ± 30 mmol/mol) to one- (10.2 ± 2.6%; 88 ± 28 mmol/mol) and two- (9.8 ± 26%; 84 ± 25 mmol/mol) year follow up visits. The prevalence of microalbuminuria did not significantly change (21.0%, 18.8%, and 19.6%), nor did nephropathy (4.7%, 7.8%, and 5.4%). However, rates of hypertension (31.8%, 44.9%, and 40.3%) were higher than expected. Five HbA1c groups were identified by trajectory analysis, and those with the worst control monitored their glucose significantly fewer times per week. CONCLUSIONS The establishment of regular care, HbA1c testing, and increased education is associated with significant improvements in glycemic control in youth with type 1 diabetes (T1D) in sub-Saharan Africa, but the high prevalence of hypertension is of concern.
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Affiliation(s)
- Sara L Marshall
- University of Pittsburgh Graduate School of Public Health, Department of Epidemiology, Pittsburgh, PA, USA
| | - Deborah V Edidin
- Northwestern University, Feinberg School of Medicine, Pediatrics, Chicago, IL, USA
| | - Vincent C Arena
- University of Pittsburgh Graduate School of Public Health, Department of Biostatistics, Pittsburgh, PA, USA
| | - Dorothy J Becker
- University of Pittsburgh School of Medicine, Department of Pediatrics, Pittsburgh, PA, USA
| | - Clareann H Bunker
- University of Pittsburgh Graduate School of Public Health, Department of Epidemiology, Pittsburgh, PA, USA
| | | | | | - Ronald E LaPorte
- University of Pittsburgh Graduate School of Public Health, Department of Epidemiology, Pittsburgh, PA, USA
| | | | - Graham Ogle
- International Diabetes Federation Life for a Child Program and Australian Diabetes Council, Sydney, NSW, Australia
| | - Laurien Sibomana
- University of Pittsburgh Graduate School of Public Health, Department of Epidemiology, Pittsburgh, PA, USA
| | - Trevor J Orchard
- University of Pittsburgh Graduate School of Public Health, Department of Epidemiology, Pittsburgh, PA, USA.
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Afkarian M. Diabetic kidney disease in children and adolescents. Pediatr Nephrol 2015; 30:65-74; quiz 70-1. [PMID: 24643739 PMCID: PMC4169353 DOI: 10.1007/s00467-014-2796-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Revised: 02/18/2014] [Accepted: 02/19/2014] [Indexed: 12/21/2022]
Abstract
Diabetes, more frequently type 1, but increasingly also type 2, commonly occurs in childhood. While more advanced diabetic kidney disease (DKD), e.g., loss of glomerular filtration rate (GFR), does not occur until adulthood, kidney biopsies show DKD structural changes as early as 1.5-5 years after the onset of type 1 diabetes. Earliest clinical sign of DKD, increased urine albumin excretion, commonly appears during childhood and adolescence and presents an important opportunity to detect and intervene in early DKD, perhaps more successfully than later in the disease course. Longitudinal studies of type 1 diabetes have enriched our understanding of the DKD natural history and modifiable risk factors for DKD progression. These studies have also shown that the presence of DKD marks a subset of people with diabetes who are at the highest risk of early mortality, supporting an enhanced focus on DKD detection, prevention, and treatment. Early studies suggest that youth-onset type 2 diabetes is associated with a higher prevalence of comorbidities and risk factors and follows a more aggressive natural history. A deeper understanding of the natural history, risk factors, underlying mechanisms and therapeutic options for DKD in young-onset type 2 diabetes awaits further studies.
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Affiliation(s)
- Maryam Afkarian
- University of Washington, Medicine, 325 9th Avenue, Box 359606, Seattle, WA, 98104, USA,
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Broe R, Rasmussen ML, Frydkjaer-Olsen U, Olsen BS, Mortensen HB, Hodgson L, Wong TY, Peto T, Grauslund J. Retinal vessel calibers predict long-term microvascular complications in type 1 diabetes: the Danish Cohort of Pediatric Diabetes 1987 (DCPD1987). Diabetes 2014; 63:3906-14. [PMID: 24914239 DOI: 10.2337/db14-0227] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Diabetic neuropathy, nephropathy, and retinopathy cause significant morbidity in patients with type 1 diabetes, even though improvements in treatment modalities delay the appearance and reduce the severity of these complications. To prevent or further delay the onset, it is necessary to better understand common underlying pathogenesis and to discover preclinical biomarkers of these complications. Retinal vessel calibers have been associated with the presence of microvascular complications, but their long-term predictive value has only been sparsely investigated. We examined retinal vessel calibers as 16-year predictors of diabetic nephropathy, neuropathy, and proliferative retinopathy in a young population-based Danish cohort with type 1 diabetes. We used semiautomated computer software to analyze vessel diameters on baseline retinal photos. Calibers of all vessels coursing through a zone 0.5-1 disc diameter from the disc margin were measured and summarized as the central artery and vein equivalents. In multiple regression analyses, we found wider venular diameters and smaller arteriolar diameters were both predictive of the 16-year development of nephropathy, neuropathy, and proliferative retinopathy. Early retinal vessel caliber changes are seemingly early markers of microvascular processes, precede the development of microvascular complications, and are a potential noninvasive predictive test on future risk of diabetic retinopathy, neuropathy, and nephropathy.
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Affiliation(s)
- Rebecca Broe
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark Clinical Research Institute, University of Southern Denmark, Odense, Denmark OPEN (Odense Patient data Explorative Network), Odense University Hospital, Odense, Denmark
| | - Malin L Rasmussen
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark Clinical Research Institute, University of Southern Denmark, Odense, Denmark
| | - Ulrik Frydkjaer-Olsen
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark Clinical Research Institute, University of Southern Denmark, Odense, Denmark
| | - Birthe S Olsen
- Department of Pediatrics E, Herlev Hospital, Herlev, Denmark Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Henrik B Mortensen
- Department of Pediatrics E, Herlev Hospital, Herlev, Denmark Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Lauren Hodgson
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, University of Melbourne, Melbourne, Victoria, Australia
| | - Tien Y Wong
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, University of Melbourne, Melbourne, Victoria, Australia Singapore Eye Research Institute, Singapore National Eye Center, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Tunde Peto
- Clinical Research Institute, University of Southern Denmark, Odense, Denmark NIHR Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, U.K
| | - Jakob Grauslund
- Department of Ophthalmology, Odense University Hospital, Odense, Denmark Clinical Research Institute, University of Southern Denmark, Odense, Denmark
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Broe R, Rasmussen ML, Frydkjaer-Olsen U, Olsen BS, Mortensen HB, Peto T, Grauslund J. Retinal vascular fractals predict long-term microvascular complications in type 1 diabetes mellitus: the Danish Cohort of Pediatric Diabetes 1987 (DCPD1987). Diabetologia 2014; 57:2215-21. [PMID: 24981770 DOI: 10.1007/s00125-014-3317-6] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Accepted: 06/12/2014] [Indexed: 11/27/2022]
Abstract
AIMS/HYPOTHESIS Fractal analysis of the retinal vasculature provides a global measure of the complexity and density of retinal vessels summarised as a single variable: the fractal dimension. We investigated fractal dimensions as long-term predictors of microvasculopathy in type 1 diabetes. METHODS We included 180 patients with type 1 diabetes in a 16 year follow-up study. In baseline retinal photographs (from 1995), all vessels in a zone 0.5-2.0 disc diameters from the disc margin were traced using Singapore Institute Vessel Assessment-Fractal image analysis software. Artefacts were removed by a certified grader, and fractal dimensions were calculated using the box-counting method. At follow-up (in 2011), diabetic neuropathy, nephropathy and proliferative retinopathy were assessed and related to baseline fractal dimensions in multiple regressions adjusted for sex and baseline age, diabetes duration, HbA1c, BP, BMI, vibration perception threshold, albuminuria, retinopathy and vessel diameters. RESULTS Mean baseline age and diabetes duration were 21.0 and 13.4 years, respectively, and of patients 50.0% were males. The mean fractal dimension was 1.3817. The 16 year incidences of neuropathy, nephropathy and proliferative retinopathy were 10.8%, 8.0% and 27.9%, respectively. Multiple regression analyses showed a lower fractal dimension to significantly predict incident neuropathy (OR 1.17 per 0.01 fractal dimension decrease [95% CI 1.01, 1.36]), nephropathy (OR 1.40 per 0.01 fractal dimension decrease [95% CI 1.10, 1.79]) and proliferative retinopathy (OR 1.22 per 0.01 fractal dimension decrease [95% CI 1.09, 1.37]). CONCLUSIONS/INTERPRETATION The retinal vascular fractal dimension is a shared biomarker of diabetic microvasculopathy, thus indicating a possible common pathogenic pathway. Retinal fractal analysis therefore is a potential tool for risk stratification in type 1 diabetes.
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Affiliation(s)
- Rebecca Broe
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, 5000, Odense C, Denmark,
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Microaneurysm count as a predictor of long-term progression in diabetic retinopathy in young patients with type 1 diabetes: the Danish Cohort of Pediatric Diabetes 1987 (DCPD1987). Graefes Arch Clin Exp Ophthalmol 2014; 253:199-205. [PMID: 24898428 DOI: 10.1007/s00417-014-2682-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 05/01/2014] [Accepted: 05/20/2014] [Indexed: 10/25/2022] Open
Abstract
PURPOSE To investigate microaneurysm (MA) count as a predictor of long-term progression of diabetic retinopathy (DR) in young patients with type 1 diabetes mellitus (T1DM). METHODS We examined 185 patients with T1DM at baseline (1995) and at follow-up (2011). At baseline, mean age and duration of diabetes were 20.6 and 12.9 years, respectively. Two-field (1995) and seven-field (2011) fundus photographs were taken in accordance with the European Diabetes Study Group (EURODIAB) and the Early Treatment Diabetic Retinopathy Study (ETDRS) protocol, respectively. DR was graded in accordance to the ETDRS protocol, allowing for non-standard photography at baseline. Baseline MAs were counted; patients without DR and those with MAs only were included. Multivariable logistic regressions were performed to investigate MA-count as a predictor of two-step progression, progression to proliferative DR (PDR), and incident diabetic macula edema (DME). RESULTS We included 138 patients (138 eyes). Of these, 58 had no retinopathy and 80 had MAs only. At follow-up, rates of two-step progression of DR, progression to PDR and incident DME were 52.9, 21.7, and 10.1 %, respectively. In logistic regression models, MA count was able to predict progression to PDR (OR: 1.51 per MA; 95 % CI: [1.04-2.20]) and DME (OR: 1.69 per MA; 95 % CI: [1.05-2.77]), but not two-step progression (OR 0.91 per MA, 95 % CI: [0.64-1.31]). CONCLUSIONS In younger patients with T1DM, MA count predicts long-term incidence of PDR and DME. This demonstrates that early DR is a warning sign of late retinopathy complications and that the number of MAs is an important factor for long-term outcome.
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Ziegler D, Papanas N, Vinik AI, Shaw JE. Epidemiology of polyneuropathy in diabetes and prediabetes. ACTA ACUST UNITED AC 2014; 126:3-22. [DOI: 10.1016/b978-0-444-53480-4.00001-1] [Citation(s) in RCA: 144] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Broe R, Rasmussen ML, Frydkjaer-Olsen U, Olsen BS, Mortensen HB, Peto T, Grauslund J. The 16-year incidence, progression and regression of diabetic retinopathy in a young population-based Danish cohort with type 1 diabetes mellitus: The Danish cohort of pediatric diabetes 1987 (DCPD1987). Acta Diabetol 2014; 51:413-20. [PMID: 24193810 DOI: 10.1007/s00592-013-0527-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 10/23/2013] [Indexed: 10/26/2022]
Abstract
The aim was to investigate the long-term incidence of proliferative diabetic retinopathy (PDR), and progression and regression of diabetic retinopathy (DR) and associated risk factors in young Danish patients with Type 1 diabetes mellitus. In 1987-89, a pediatric cohort involving approximately 75 % of all children with Type 1 diabetes in Denmark <19 years of age was identified (n = 720). In 1995, 339 (47.1 %) were re-studied with retinopathy graded and all relevant diabetic parameters assessed. Of those, 185 (54.6 %) were evaluated again in 2011 for the same clinical parameters. All retinal images were graded using modified early treatment of DR study for 1995 and 2011. In 1995, mean age was 21.0 years and mean diabetes duration 13.5 years. The 16-year incidence of proliferative retinopathy, 2-step progression and 2-step regression of DR was 31.0, 64.4 and 0.0 %, respectively, while the incidence of DR was 95.1 %. In a multivariate logistic regression model, progression to PDR was significantly associated with 1995 HbA1c (OR 2.61 per 1 % increase, 95 % CI 1.85-3.68) and 1995 diastolic blood pressure (OR 1.79 per 10 mmHg increase, 95 % CI 1.04-3.07). Two-step progression of DR was associated with male gender (OR 2.37 vs. female, 95 % CI 1.07-5.27), 1995 HbA1c (OR 3.02 per 1 % increase, 95 % CI 2.04-4.48) and 1995 vibration perception threshold (OR 1.19 per 1 Volt increase, 95 % CI 1.02-1.40). In conclusion, one in three progressed to PDR and two in three had 2-step progression despite young age and increased awareness of the importance of metabolic control. After 30 years duration of diabetes, the presence of DR is almost universal.
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Affiliation(s)
- Rebecca Broe
- Department of Ophthalmology, Odense University Hospital, Sdr. Boulevard 29, 5000, Odense C, Denmark,
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Jaiswal M, Lauer A, Martin CL, Bell RA, Divers J, Dabelea D, Pettitt DJ, Saydah S, Pihoker C, Standiford DA, Rodriguez BL, Pop-Busui R, Feldman EL. Peripheral neuropathy in adolescents and young adults with type 1 and type 2 diabetes from the SEARCH for Diabetes in Youth follow-up cohort: a pilot study. Diabetes Care 2013; 36:3903-8. [PMID: 24144652 PMCID: PMC3836139 DOI: 10.2337/dc13-1213] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Accepted: 07/31/2013] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To estimate the prevalence of and risk factors for diabetic peripheral neuropathy (DPN) in a pilot study among youth participating in the SEARCH for Diabetes in Youth study. RESEARCH DESIGN AND METHODS DPN was assessed using the Michigan Neuropathy Screening Instrument (MNSI) (examination for foot abnormalities, distal vibration perception, and ankle reflexes). An MNSI exam (MNSIE) score >2 is diagnostic for DPN. RESULTS The MNSIE was completed in 399 subjects, including 329 youth with type 1 diabetes (mean age 15.7 ± 4.3 years, duration 6.2 ± 0.9 years) and 70 with type 2 diabetes (mean age 21.6 ± 4.1 years, duration 7.6 ± 1.8 years). Glycated hemoglobin (A1C) was similar in both groups (8.8 ± 1.8% for type 1 vs. 8.5 ± 2.9% for type 2). The prevalence of DPN was significantly higher in youth with type 2 compared with those with type 1 diabetes (25.7 vs. 8.2%; P < 0.0001). In unadjusted analyses, diabetes type, older age, longer duration of diabetes, increased waist circumference, elevated blood pressure, lower HDL cholesterol, and presence of microalbuminuria (urinary albumin-to-creatinine ratio >30 mg/g) were associated with DPN. The association between diabetes type and DPN remained significant after adjustment for age and sex (odds ratio 2.29 [95% CI 1.05-5.02], P = 0.03). CONCLUSIONS DPN prevalence among youth with type 2 diabetes approached rates reported in adult populations with diabetes. Our findings suggest not only that youth with diabetes are at risk for DPN but also that many already show measurable signs of DPN.
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Wherrett D, Huot C, Mitchell B, Pacaud D. Le diabète de type 1 chez les enfants et les adolescents. Can J Diabetes 2013. [DOI: 10.1016/j.jcjd.2013.07.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Louraki M, Karayianni C, Kanaka-Gantenbein C, Katsalouli M, Karavanaki K. Peripheral neuropathy in children with type 1 diabetes. DIABETES & METABOLISM 2012; 38:281-9. [DOI: 10.1016/j.diabet.2012.02.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2011] [Revised: 02/25/2012] [Accepted: 02/26/2012] [Indexed: 11/17/2022]
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Hooper P, Boucher MC, Cruess A, Dawson KG, Delpero W, Greve M, Kozousek V, Lam WC, Maberley DAL. Canadian Ophthalmological Society evidence-based clinical practice guidelines for the management of diabetic retinopathy. Can J Ophthalmol 2012; 47:S1-30, S31-54. [PMID: 22632804 DOI: 10.1016/j.jcjo.2011.12.025] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Perantie DC, Koller JM, Weaver PM, Lugar HM, Black KJ, White NH, Hershey T. Prospectively determined impact of type 1 diabetes on brain volume during development. Diabetes 2011; 60:3006-14. [PMID: 21953611 PMCID: PMC3198062 DOI: 10.2337/db11-0589] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE The impact of type 1 diabetes mellitus (T1DM) on the developing central nervous system is not well understood. Cross-sectional, retrospective studies suggest that exposure to glycemic extremes during development is harmful to brain structure in youth with T1DM. However, these studies cannot identify brain regions that change differentially over time depending on the degree of exposure to glycemic extremes. RESEARCH DESIGN AND METHODS We performed a longitudinal, prospective structural neuroimaging study of youth with T1DM (n = 75; mean age = 12.5 years) and their nondiabetic siblings (n = 25; mean age = 12.5 years). Each participant was scanned twice, separated by 2 years. Blood glucose control measurements (HbA(1c), glucose meter results, and reports of severe hypoglycemia) were acquired during the 2-year follow-up. Sophisticated image registration algorithms were performed, followed by whole brain and voxel-wise statistical analyses of the change in gray and white matter volume, controlling for age, sex, and age of diabetes onset. RESULTS The T1DM and nondiabetic control (NDC) sibling groups did not differ in whole brain or voxel-wise change over the 2-year follow-up. However, within the T1DM group, participants with more hyperglycemia had a greater decrease in whole brain gray matter compared with those with less hyperglycemia (P < 0.05). Participants who experienced severe hypoglycemia had greater decreases in occipital/parietal white matter volume compared with those with no severe hypoglycemia (P < 0.05) and compared with the NDC sibling group (P < 0.05). CONCLUSIONS These results demonstrate that within diabetes, exposure to hyperglycemia and severe hypoglycemia may result in subtle deviation from normal developmental trajectories of the brain.
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Affiliation(s)
- Dana C. Perantie
- Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri
| | - Jonathan M. Koller
- Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri
| | - Patrick M. Weaver
- Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri
| | - Heather M. Lugar
- Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri
| | - Kevin J. Black
- Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri
- Department of Neurology, Washington University School of Medicine, St. Louis, Missouri
- Department of Radiology, Washington University School of Medicine, St. Louis, Missouri
- Department of Anatomy and Neurobiology, Washington University School of Medicine, St. Louis, Missouri
| | - Neil H. White
- Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri
- St. Louis Children’s Hospital, St. Louis, Missouri
| | - Tamara Hershey
- Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri
- Department of Neurology, Washington University School of Medicine, St. Louis, Missouri
- Department of Radiology, Washington University School of Medicine, St. Louis, Missouri
- Corresponding author: Tamara Hershey,
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Hammes HP, Kerner W, Hofer S, Kordonouri O, Raile K, Holl RW. Diabetic retinopathy in type 1 diabetes-a contemporary analysis of 8,784 patients. Diabetologia 2011; 54:1977-84. [PMID: 21638132 DOI: 10.1007/s00125-011-2198-1] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2010] [Accepted: 04/28/2011] [Indexed: 02/06/2023]
Abstract
AIMS/HYPOTHESIS The aim of this study was to analyse the risk profile for diabetic retinopathy under real-life conditions in a large cohort of patients with type 1 diabetes. METHODS Patients (n = 18,891) with childhood, adolescent or adult onset of type 1 diabetes from the prospective German Diabetes Documentation System survey were analysed. A total of 8,784 patients fulfilled the inclusion criterion, which was availability of retinopathy status. Retinopathy grading (any retinopathy, advanced retinopathy), treatment regimens and risk factors were prospectively recorded and tested as covariates by Kaplan-Meier analysis and logistic regression. RESULTS Any retinopathy was present in 27.4% and advanced retinopathy (severe non-proliferative or proliferative diabetic retinopathy) in 8.0% of the cohort. After 40 years of diabetes, the cumulative proportion of patients with any retinopathy and advanced retinopathy was 84.1% and 50.2%, respectively. In multiple regression analysis, risk factors for any retinopathy were diabetes duration (OR 1.167 per year), HbA(1c) >7.0% (53 mmol/mol) (OR 2.225), smoking (OR 1.295) and male sex (OR 1.187) (p < 0.0001 for all). Young age at onset (5 vs 15 years at disease onset) was protective (0.410, p < 0.0001). No glycaemic threshold was detected for retinopathy protection. Risk factors for advanced retinopathy were duration (1.124 per year, p < 0.0001), male sex (1.323, p = 0.0020), HbA(1c) >7.0% (53 mmol/mol) (1.499, p < 0.0001), triacylglycerol >1.7 mmol/l (1.398, p = 0.0013) and blood pressure >140/90 mmHg (1.911, p < 0.0001). CONCLUSIONS/INTERPRETATION The prevalence of retinopathy remains significant in type 1 diabetes. Any improvement of metabolic control and non-smoking is protective, while hypertension affects progression to severe levels under real-life conditions. These data reinforce the validity of multifactorial concepts for morbidity protection in type 1 diabetes.
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Affiliation(s)
- H P Hammes
- Fifth Medical Department, Medical Faculty Mannheim, University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany.
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Giordano C, Amato MC, Ciresi A, Citarrella R, Mantione L, Accidenti M, Pantò F, Guarnotta V, Allotta ML, Criscimanna A, Galluzzo A. Predictors of microvascular complications in type 1 diabetic patients at onset: the role of metabolic memory. Eur J Intern Med 2011; 22:266-74. [PMID: 21570646 DOI: 10.1016/j.ejim.2011.02.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2010] [Revised: 02/04/2011] [Accepted: 02/07/2011] [Indexed: 11/17/2022]
Abstract
BACKGROUND Several epidemiological studies showed a close association between metabolic control and microvascular complications in type 1 Diabetes Mellitus (T1DM). The aim of our longitudinal observational study was to evaluate the predictive role of the main clinical and biochemical parameters in determining microvascular complications. METHODS 376 T1DM patients, hospitalized in our division from 1991 to 2005 (mean follow-up=10.93±4.26 years) were studied. Stepwise Cox regression analysis was used to identify the influence of residual ß-cell function, ß-cell autoimmunity, HbA1c levels and other clinical and laboratory parameters in the development of microalbuminuria and retinopathy. RESULTS The probability of developing microalbuminuria was higher in males than in females (HR 1.82; 95% CI 1.01-3.28; p=0.044), in patients with higher mean HbA1c values (HR 2.80; 95% CI 1.63-4.83; p<0.001), longer duration of disease (HR 1.98; 95% CI 1.10-3.57; p=0.022) and younger age of diabetes onset (HR 0.53; 95% CI 0.03-0.92; p=0.026). An increased probability of developing retinopathy was found in patients with higher mean HbA1c levels during follow-up (HR 2.35; 95% CI 1.34-4.12, p=0.003), as well as at onset (HR 1.85; 95% CI 1.06-3.24; p=0.030). CONCLUSIONS Our study suggests that among the clinical, metabolic, immunological and biochemical factors evaluated at onset, only HbA1c is predictive for the microangiopathy development in T1DM.
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Affiliation(s)
- Carla Giordano
- Section of Endocrinology, Centro di Riferimento Regionale per la Diagnosi e Cura delle Endocrinopatie Autoimmuni e del Diabete di Tipo 1, Dipartimento di Medicina Interna e Medicina Sperimentale (DIBIMIS), Università degli Studi di Palermo, Italy.
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Åsvold B, Espeland K, Bjørgaas M, Grill V. Redusert forekomst av proliferativ retinopati ved type 1-diabetes? TIDSSKRIFT FOR DEN NORSKE LEGEFORENING 2011; 131:17-9. [DOI: 10.4045/tidsskr.09.0490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Islam MS, Choi H. Antidiabetic effect of Korean traditional Baechu (Chinese cabbage) kimchi in a type 2 diabetes model of rats. J Med Food 2009; 12:292-7. [PMID: 19459728 DOI: 10.1089/jmf.2008.0181] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The present study was conducted to examine the antidiabetic effects of two dietary dosages (0.5% and 2.0%) of freeze-dried Korean traditional Baechu (Chinese cabbage) kimchi in a high-fat (HF) diet-fed, streptozotocin (STZ)-induced type 2 diabetes (T2D) rat model. Five-week-old male Sprague-Dawley rats were fed HF diet for 2 weeks and then randomly divided into four groups of eight animals: normal control (NC), diabetic control (DBC), kimchi low (KML) (0.5%), and kimchi high (KMH) (2.0%) groups. Diabetes was induced by an intraperitoneal injection of STZ (40 mg/kg of body weight) in all groups except the NC group. After 4 weeks of feeding of experimental diets, serum insulin concentrations and Homeostatic Model Assessment pancreatic beta-cell function were increased and blood glycated hemoglobin was decreased in the kimchi-fed groups compared to the DBC group, while a significant (P < .05) difference was observed only in the KMH group for serum insulin concentration. Lower fasting blood glucose and better glucose tolerance were observed in the KMH group compared to the DBC and KML groups; however, differences were not significant. Food intake, body weight gain, Homeostatic Model Assessment insulin resistance index, and serum lipid profiles were not significantly influenced by kimchi-containing diets. Data of this study suggest that dietary Baechu kimchi has some antidiabetic effects even when fed with a HF-containing diet. Better results are possible if it is consumed with normal or low-fat rather than HF-containing diet.
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Affiliation(s)
- Md Shahidul Islam
- Department of Food and Nutrition, Seoul National University, Seoul, Republic of Korea.
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