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Usakin LA, Maksimova NV, Pesheva ED, Zaitseva EL, Tokmakova AY, Panteleyev AA. Assessment of potential genetic markers for diabetic foot ulcer among Moscow residents. Endocrine 2024:10.1007/s12020-024-03966-2. [PMID: 39017835 DOI: 10.1007/s12020-024-03966-2] [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: 04/27/2024] [Accepted: 07/10/2024] [Indexed: 07/18/2024]
Abstract
PURPOSE Diabetic foot ulcer (DFU) is one of the most severe complications of type 2 diabetes, which is manifested in chronic skin ulcers of lower extremities. DFU treatment remains complex and expensive despite the availability of well-established protocols. Early prediction of potential DFU development at the onset of type 2 diabetes can greatly improve the aftermath of this complication. METHODS To assess potential genetic markers for DFU, a group of diabetic patients from Moscow region with and without DFU was genotyped for a number of SNPs previously reported to be associated with the DFU. RESULTS Obtained results did not confirm previously claimed association of rs1024611, rs3918242, rs2073618, rs1800629, rs4986790, rs179998, rs1963645 and rs11549465 (respectively, in MCP1, MMP9, TNFRSF11B, TNFα, TLR4, eNOS, NOS1AP and HIF1α genes) with the DFU. Surprisingly, the t allele of rs7903146 in the TCF7l2 gene known as one of the most prominent risk factors for type 2 diabetes has shown a protective effect on DFU with OR(95%) = 0.68(0.48-0.96). CONCLUSION Non-replication of previously published SNP associations with DFU suggests that the role of genetic factors in the DFU onset is either highly variable in different populations or is not as significant as the role of non-genetic factors.
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Affiliation(s)
- Lev A Usakin
- National Research Centre Kurchatov Institute, Moscow, Russian Federation.
| | - Nadezhda V Maksimova
- Pirogov Russian National Research Medical University, Moscow, Russian Federation
| | - Ekaterina D Pesheva
- I.M. Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | | | | | - Andrey A Panteleyev
- National Research Centre Kurchatov Institute, Moscow, Russian Federation.
- A.V. Vishnevsky Institute of Surgery, Moscow, Russian Federation.
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2
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Pramanik S, Mondal S, Palui R, Ray S. Type 2 diabetes in children and adolescents: Exploring the disease heterogeneity and research gaps to optimum management. World J Clin Pediatr 2024; 13:91587. [PMID: 38947996 PMCID: PMC11212753 DOI: 10.5409/wjcp.v13.i2.91587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 04/07/2024] [Accepted: 04/18/2024] [Indexed: 06/07/2024] Open
Abstract
Over the past 20 years, the incidence and prevalence of type 2 diabetes mellitus (T2DM) in children and adolescents have increased, particularly in racial and ethnic minorities. Despite the rise in T2DM in children and adolescents, the pathophysiology and progression of disease in this population are not clearly understood. Youth-onset T2DM has a more adverse clinical course than is seen in those who develop T2DM in adulthood or those with T1DM. Furthermore, the available therapeutic options are more limited for children and adolescents with T2DM compared to adult patients, mostly due to the challenges of implementing clinical trials. A better understanding of the mechanisms underlying the de-velopment and aggressive disease phenotype of T2DM in youth is important to finding effective prevention and management strategies. This review highlights the key evidence about T2DM in children and adolescents and its current burden and challenges both in clinical care and research activities.
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Affiliation(s)
- Subhodip Pramanik
- Department of Endocrinology, Neotia Getwel Multi-specialty hospital, Siliguri 734010, West Bengal, India
| | - Sunetra Mondal
- Department of Endocrinology, NRS Medical College and Hospital, Kolkata 700014, West Bengal, India
| | - Rajan Palui
- Department of Endocrinology, The Mission Hospital, Durgapur 713212, West Bengal, India
| | - Sayantan Ray
- Department of Endocrinology, All India Institute of Medical Sciences, Bhubaneswar, Bhubaneswar 751019, Odisha, India
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3
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Strand N, Anderson MA, Attanti S, Gill B, Wie C, Dawodu A, Pagan-Rosado R, Harbell MW, Maloney JA. Diabetic Neuropathy: Pathophysiology Review. Curr Pain Headache Rep 2024; 28:481-487. [PMID: 38558164 DOI: 10.1007/s11916-024-01243-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2024] [Indexed: 04/04/2024]
Abstract
PURPOSE OF REVIEW Diabetic neuropathy is a debilitating complication of diabetes mellitus that affects millions of individuals worldwide. It is characterized by nerve damage resulting from prolonged exposure to high blood glucose levels. Diabetic neuropathy may cause a range of symptoms, including pain, numbness, muscle weakness, autonomic dysfunction, and foot ulcers, potentially causing significant impairment to the quality of life for those affected. This review article aims to provide a comprehensive overview of the pathophysiology of diabetic neuropathy. The etiology of diabetic neuropathy will be discussed, including risk factors, predisposing conditions, and an overview of the complex interplay between hyperglycemia, metabolic dysregulation, and nerve damage. Additionally, we will explore the molecular mechanisms and pathways of diabetic neuropathy, including the impact of hyperglycemia on nerve function, abnormalities in glucose metabolism, the role of advanced glycation end products (AGEs), and inflammatory and immune-mediated processes. We will provide an overview of the various nerve fibers affected by diabetic neuropathy and explore the common symptoms and complications associated with diabetic neuropathy in the pain medicine field. RECENT FINDINGS This review highlights advances in understanding the pathophysiology of diabetic neuropathy as well as reviews potential novel therapeutic strategies and promising areas for future research. In conclusion, this review article aims to shed light on the pathophysiology of diabetic neuropathy, its far-reaching consequences, and the evolving strategies for prevention and management. In understanding the mechanisms of diabetic neuropathy and the ongoing research in this area, healthcare professionals can better serve patients with diabetes, ultimately improving well-being and reducing complications.
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Affiliation(s)
- Natalie Strand
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Phoenix, AZ, USA.
| | | | | | - Benjamin Gill
- Department of Anesthesiology, University of Utah, Salt Lake City, UT, USA
| | - Christopher Wie
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Phoenix, AZ, USA
| | - Azizat Dawodu
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Phoenix, AZ, USA
| | | | - Monica W Harbell
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Phoenix, AZ, USA
| | - Jillian A Maloney
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Phoenix, AZ, USA
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Vitale M, Orsi E, Solini A, Garofolo M, Grancini V, Bonora E, Fondelli C, Trevisan R, Vedovato M, Penno G, Nicolucci A, Pugliese G. Association between age at diagnosis and all-cause mortality in type 2 diabetes: the Renal Insufficiency and Cardiovascular Events (RIACE) Italian Multicenter Study. Acta Diabetol 2024:10.1007/s00592-024-02294-1. [PMID: 38714557 DOI: 10.1007/s00592-024-02294-1] [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: 02/29/2024] [Accepted: 04/14/2024] [Indexed: 05/10/2024]
Abstract
AIMS It is unclear whether type 2 diabetes diagnosed in young adulthood is associated with increased severity than that occurring later in life beyond longer lifetime exposure to hyperglycemia. This study aimed at assessing the independent association of age at type 2 diabetes diagnosis with all-cause mortality. METHODS This prospective cohort study enrolled 15,773 Caucasian patients with type 2 diabetes in 19 Italian centers in 2006-2008. Cardiometabolic risk profile and presence of complications and comorbidities were assessed at baseline and participants were stratified by quartiles of age at diabetes diagnosis. All-cause mortality was verified on 31 October 2015. RESULTS Valid information on vital status was retrieved for 15,656 participants (99.3%). Patients in the lowest quartile had the longest diabetes duration, the worst glycemic control and the highest prevalence of insulin treatment, obesity, atherogenic dyslipidemia, and smoking habits. All complications were inversely associated with age at diabetes diagnosis after adjustment for age and sex, but not after further adjustment for diabetes duration. Percentages of death, Kaplan-Meier estimates, and unadjusted hazard ratios and mortality rates increased from the lowest to the highest quartile. In contrast, when adjusting for age and sex, participants falling in the lowest quartile, showed the highest mortality risk [hazard ratio 1.321 (95% confidence interval 1.196-1.460), P < 0.0001]. However, differences among quartiles disappeared after adjustment for diabetes duration, complications/comorbidities, or other cardiovascular risk factors. CONCLUSIONS Type 2 diabetes onset in young adulthood is associated with increased mortality that is mainly driven by longer diabetes duration favoring the development of complications. TRIAL REGISTRATION ClinicalTrials.gov, NCT00715481, retrospectively registered 15 July, 2008.
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Affiliation(s)
- Martina Vitale
- Department of Clinical and Molecular Medicine, "La Sapienza" University, Via Di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Emanuela Orsi
- Diabetes Unit, Fondazione IRCCS "Cà Granda - Ospedale Maggiore Policlinico", Milan, Italy
| | - Anna Solini
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Pisa, Italy
| | - Monia Garofolo
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Valeria Grancini
- Diabetes Unit, Fondazione IRCCS "Cà Granda - Ospedale Maggiore Policlinico", Milan, Italy
| | - Enzo Bonora
- Division of Endocrinology, Diabetes and Metabolism, University and Hospital Trust of Verona, Verona, Italy
| | | | - Roberto Trevisan
- Endocrinology and Diabetes Unit, Azienda Ospedaliera Papa Giovanni XXIII, Bergamo, Italy
| | - Monica Vedovato
- Department of Clinical and Experimental Medicine, University of Padua, Padua, Italy
| | - Giuseppe Penno
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Antonio Nicolucci
- Center for Outcomes Research and Clinical Epidemiology (CORESEARCH), Pescara, Italy
| | - Giuseppe Pugliese
- Department of Clinical and Molecular Medicine, "La Sapienza" University, Via Di Grottarossa, 1035-1039, 00189, Rome, Italy.
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Karthikeyan A, Ramakrishna MP, Swamy NA, Latha AT. Evaluation of association between time in range, a continuous glucose monitoring metric, and cardiac autonomic neuropathy in type 2 diabetes patients. Ann Afr Med 2024; 23:19-24. [PMID: 38358166 PMCID: PMC10922182 DOI: 10.4103/aam.aam_117_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/20/2023] [Accepted: 09/07/2023] [Indexed: 02/16/2024] Open
Abstract
Introduction Time in range (TIR), a metric of continuous glucose monitoring (CGM) provides better information regarding the individual's glycemic variability than a static measure like glycated hemoglobin (HbA1c). TIR is emerging as an independent risk factor for diabetic complications, both microvascular and macrovascular complications independent of HbA1c. Hence, this study evaluates the association between TIR and cardiac autonomic neuropathy (CAN) in type 2 diabetic patients. Materials and Methods A total of 42 patients with type 2 diabetes mellitus were enrolled in this study and underwent a 3-day CGM using the "FreeStyle Libre Pro Flash Glucose Monitoring System Sensor" along with tests for CAN within the 3 days of attaching the CGM. Results Out of 42 patients, 36 patients (85.7%) were diagnosed with CAN (early CAN 57.1% and definite CAN 28.6%) and the mean TIR was 64.4% ±23.5%. Out of those with TIR <70%, 42.9% were affected with definite CAN compared to only 14.3% among those with TIR >70%. Patients with more severe CAN were found to have a lower TIR (P = 0.115). Conclusion The study found a high prevalence of cardiac autonomic neuropathy (CAN) of around 85.7% in type 2 diabetes patients. Lower TIR values were associated with a higher incidence of definite CAN (42.9% vs. 14.3% in TIR <70% vs. >70% groups). The findings suggest TIR is inversely associated with the presence and severity of cardiac autonomic neuropathy in type 2 diabetic patients and also a potential link between TIR and CAN severity.
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Affiliation(s)
- Aditya Karthikeyan
- Department of General Medicine, Ramaiah Medical College, Bengaluru, Karnataka, India
| | | | | | - A. Tharuni Latha
- Department of General Medicine, Ramaiah Medical College, Bengaluru, Karnataka, India
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Abdelhamid S, Shabani M, Russjan A, Tarnutzer AA. Treatment-induced neuropathy of diabetes: challenges in diagnosing neuropathic pain, value of sudomotor function testing. BMJ Case Rep 2023; 16:e256340. [PMID: 37967926 PMCID: PMC10661014 DOI: 10.1136/bcr-2023-256340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023] Open
Abstract
A patient in his 60s was admitted for an extensive neurological work-up due to progressive asymmetrical, distally pronounced pain in both feet and legs. Conventional pain relievers did not help in pain reduction. A Sudoscan revealed small fibre damage in all extremities indicating an underlying neuropathy. The patient had started insulin treatment around 6 months prior to hospitalisation because of a newly diagnosed late-onset diabetes. Due to a rapid drop in glycated haemoglobin (from over 14% to 6% in 4 months), treatment-induced neuropathy of diabetes (TIND) was hypothesised. On increasing the dose of pregabalin and adding duloxetine, the patient reported improvement of symptoms, which further underlined the suspected diagnosis. Hence, in patients with severe hyperglycaemia, changes in glycaemic control should be stepwise and not rapid; however, to date, no guidelines exist how to avoid TIND.
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Affiliation(s)
| | | | - Arkadiusz Russjan
- Department of Neurology and Neurorehabilitation, Zurzach Care AG, Bad Zurzach, Switzerland
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Reda H. Neurologic Complications of Endocrine Disorders. Continuum (Minneap Minn) 2023; 29:887-902. [PMID: 37341334 DOI: 10.1212/con.0000000000001262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2023]
Abstract
OBJECTIVE This article provides an overview of the neurologic complications of the most prevalent endocrine disorders in adults with an emphasis on relevant neurologic symptoms, signs, and laboratory and neuroimaging findings. LATEST DEVELOPMENTS Although the mechanisms of many of the neurologic complications discussed here remain unclear, our understanding of the impacts of diabetes and hypothyroidism on the nervous system and muscle, including complications of rapid correction of chronic hyperglycemia, has advanced in recent years. Recent large studies have not demonstrated a convincing association between subclinical or overt hypothyroidism and cognitive decline. ESSENTIAL POINTS Neurologists must become familiar with the neurologic complications of endocrine disorders not only because they are common and treatable (and often reversible) but also because they may be iatrogenic, as is the case with adrenal insufficiency in the setting of long-term corticosteroid therapy.
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Syed O, Jancic P, Knezevic NN. A Review of Recent Pharmacological Advances in the Management of Diabetes-Associated Peripheral Neuropathy. Pharmaceuticals (Basel) 2023; 16:801. [PMID: 37375749 DOI: 10.3390/ph16060801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/14/2023] [Accepted: 05/18/2023] [Indexed: 06/29/2023] Open
Abstract
Diabetic peripheral neuropathy is a common complication of longstanding diabetes mellitus. These neuropathies can present in various forms, and with the increasing prevalence of diabetes mellitus, a subsequent increase in peripheral neuropathy cases has been noted. Peripheral neuropathy has a significant societal and economic burden, with patients requiring concomitant medication and often experiencing a decline in their quality of life. There is currently a wide variety of pharmacological interventions, including serotonin norepinephrine reuptake inhibitors, gapentanoids, sodium channel blockers, and tricyclic antidepressants. These medications will be discussed, as well as their respective efficacies. Recent advances in the treatment of diabetes mellitus with incretin system-modulating drugs, specifically glucagon-like peptide-1 agonists, have been promising, and their potential implication in the treatment of peripheral diabetic neuropathy is discussed in this review.
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Affiliation(s)
- Osman Syed
- Advocate Illinois Masonic Medical Center, Department of Anesthesiology, Chicago, IL 60657, USA
- Chicago College of Osteopathic Medicine, Midwestern University, Downers Grove, IL 60515, USA
| | - Predrag Jancic
- Advocate Illinois Masonic Medical Center, Department of Anesthesiology, Chicago, IL 60657, USA
| | - Nebojsa Nick Knezevic
- Advocate Illinois Masonic Medical Center, Department of Anesthesiology, Chicago, IL 60657, USA
- Department of Anesthesiology, University of Illinois, Chicago, IL 60612, USA
- Department of Surgery, University of Illinois, Chicago, IL 60612, USA
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Multimodal Comparison of Diabetic Neuropathy in Aged Streptozotocin-Treated Sprague-Dawley and Zucker Diabetic Fatty Rats. Biomedicines 2022; 11:biomedicines11010020. [PMID: 36672528 PMCID: PMC9855818 DOI: 10.3390/biomedicines11010020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/02/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022] Open
Abstract
The development and progression of diabetic polyneuropathy (DPN) are due to multiple mechanisms. The creation of reliable animal models of DPN has been challenging and this issue has not yet been solved. However, despite some recognized differences from humans, most of the current knowledge on the pathogenesis of DPN relies on results achieved using rodent animal models. The simplest experimental DPN model reproduces type 1 diabetes, induced by massive chemical destruction of pancreatic beta cells with streptozotocin (STZ). Spontaneous/transgenic models of diabetes are less frequently used, mostly because they are less predictable in clinical course, more expensive, and require a variable time to achieve homogeneous metabolic conditions. Among them, Zucker diabetic fatty (ZDF) rats represent a typical type 2 diabetes model. Both STZ-induced and ZDF rats have been extensively used, but only very few studies have compared the long-term similarities and differences existing between these two models. Moreover, inconsistencies have been reported regarding several aspects of short-term in vivo studies using these models. In this study, we compared the long-term course of DPN in STZ-treated Sprague-Dawley and ZDF rats with a multimodal set of readout measures.
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Smith S, Normahani P, Lane T, Hohenschurz-Schmidt D, Oliver N, Davies AH. Prevention and Management Strategies for Diabetic Neuropathy. LIFE (BASEL, SWITZERLAND) 2022; 12:life12081185. [PMID: 36013364 PMCID: PMC9410148 DOI: 10.3390/life12081185] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 07/17/2022] [Accepted: 07/28/2022] [Indexed: 11/16/2022]
Abstract
Diabetic neuropathy (DN) is a common complication of diabetes that is becoming an increasing concern as the prevalence of diabetes rapidly rises. There are several types of DN, but the most prevalent and studied type is distal symmetrical polyneuropathy, which is the focus of this review and is simply referred to as DN. It can lead to a wide range of sensorimotor and psychosocial symptoms and is a major risk factor for diabetic foot ulceration and Charcot neuropathic osteoarthropathy, which are associated with high rates of lower limb amputation and mortality. The prevention and management of DN are thus critical, and clinical guidelines recommend several strategies for these based on the best available evidence. This article aims to provide a narrative review of DN prevention and management strategies by discussing these guidelines and the evidence that supports them. First, the epidemiology and diverse clinical manifestations of DN are summarized. Then, prevention strategies such as glycemic control, lifestyle modifications and footcare are discussed, as well as the importance of early diagnosis. Finally, neuropathic pain management strategies and promising novel therapies under investigation such as neuromodulation devices and nutraceuticals are reviewed.
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Affiliation(s)
- Sasha Smith
- Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, London W6 8RF, UK; (S.S.); (P.N.); (T.L.)
- Imperial Vascular Unit, Imperial College Healthcare NHS Trust, London W6 8RF, UK
| | - Pasha Normahani
- Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, London W6 8RF, UK; (S.S.); (P.N.); (T.L.)
- Imperial Vascular Unit, Imperial College Healthcare NHS Trust, London W6 8RF, UK
| | - Tristan Lane
- Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, London W6 8RF, UK; (S.S.); (P.N.); (T.L.)
- Department of Vascular Surgery, Cambridge University Hospitals NHS Foundation Trust, Cambridge CB2 0QQ, UK
| | - David Hohenschurz-Schmidt
- Pain Research Group, Department of Surgery and Cancer, Imperial College London, London SW10 9NH, UK;
| | - Nick Oliver
- Section of Metabolic Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London W2 1PG, UK;
- Division of Medicine and Integrated Care, Imperial College Healthcare NHS Trust, London W2 1NY, UK
| | - Alun Huw Davies
- Section of Vascular Surgery, Department of Surgery and Cancer, Imperial College London, London W6 8RF, UK; (S.S.); (P.N.); (T.L.)
- Imperial Vascular Unit, Imperial College Healthcare NHS Trust, London W6 8RF, UK
- Correspondence:
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Redel JM, DiFrancesco M, Lee GR, Ziv A, Dolan LM, Brady CC, Shah AS. Cerebral blood flow is lower in youth with type 2 diabetes compared to obese controls: A pilot study. Pediatr Diabetes 2022; 23:291-300. [PMID: 35001473 DOI: 10.1111/pedi.13313] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 12/15/2021] [Accepted: 01/03/2022] [Indexed: 11/30/2022] Open
Abstract
AIM The cerebral vasculature may be susceptible to the adverse effects of type 2 diabetes. In this pilot study, we compared cerebral blood flow (CBF) in youth with type 2 diabetes to obese, euglycemic controls, and explored the association between CBF and a non-invasive measure of atherosclerosis, carotid intima-medial thickness (IMT). METHODS Global and regional CBF were compared between youth with type 2 diabetes (mean age 16.7 ± 2.0 years, n = 20) and age, race, and sex similar obese youth without diabetes (17.4 ± 1.9 years, n = 19) using arterial spin labeling magnetic resonance imaging. Mean CBF values were compared between groups. Voxel-wise results were evaluated for statistical significance (p < 0.05) after adjustment for multiple comparisons. Carotid IMT in the type 2 diabetes group was correlated with CBF. RESULTS Compared to obese controls, the type 2 diabetes group had significantly lower global CBF (49.7 ± 7.2 vs. 63.8 ± 11.5 ml/gm/min, p < 0.001). Significantly lower CBF was observed in multiple brain regions for the type 2 diabetes group, while no regions with higher CBF were identified. In the type 2 diabetes group, carotid IMT was inversely correlated with CBF, both globally (r = -0.70, p = 0.002) and in regional clusters. CONCLUSIONS In this pilot study, lower CBF was seen in youth with type 2 diabetes compared to youth with obesity and IMT was inversely correlated with CBF. Cerebrovascular impairment may be present in youth with type 2 diabetes. These findings could represent a mechanistic link to explain previously reported brain volume and neurocognitive differences.
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Affiliation(s)
- Jacob M Redel
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.,Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.,Department of Pediatrics, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri, USA.,Division of Endocrinology, Children's Mercy Hospital, Kansas City, Missouri, USA
| | - Mark DiFrancesco
- Department of Radiology, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.,Imaging Research Center, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Gregory R Lee
- Department of Radiology, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.,Imaging Research Center, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Adi Ziv
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.,Division of Adolescent Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Adolescent Medicine Unit, Department of Day Care Hospitalization, Schneider Children's Hospital Medical Center of Israel, Petah Tikva, Israel
| | - Lawrence M Dolan
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.,Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Cassandra C Brady
- Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA.,Division of Endocrinology and Diabetes, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, Tennessee, USA
| | - Amy S Shah
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.,Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
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Sheen YJ, Sheu WHH, Wang HC, Chen JP, Sun YH, Chen HM. Assessment of diabetic small-fiber neuropathy by using short-wave infrared hyperspectral imaging. JOURNAL OF BIOPHOTONICS 2022; 15:e202100220. [PMID: 34766729 DOI: 10.1002/jbio.202100220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/02/2021] [Accepted: 11/05/2021] [Indexed: 06/13/2023]
Abstract
Among patients with type 2 diabetes mellitus (T2DM), the association between hyperspectral imaging (HSI) examination and diabetic neuropathy (DN) is ascertained using HSI of the feet using four types of spectral difference measurements. DN was evaluated by traditional Michigan Neuropathy Screening Instrument (MNSI), evaluation of painful neuropathy (ID-Pain, DN4) and sudomotor function by measuring electrochemical skin conductance (ESC). Of the 120 T2DM patients and 20 healthy adults enrolled, T2DM patients are categorized into normal sudomotor (ESC >60 μS) and sudomotor dysfunction (ESC ≤ 60 μS) groups. Spectral difference analyses reveal significant intergroup differences, whereas traditional examinations cannot distinguish between the two groups. HSI waveform reflectance gradually increases with disease severity, at 1400 to 1600 nm. The area under the curve (AUC) of receiver operating characteristic (ROC) analysis for abnormal ESC is ≥0.8 for all four HSI methods. HSI could be an objective, sensitive, rapid, noninvasive and remote approach to identify early small-fiber DN.
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Affiliation(s)
- Yi-Jing Sheen
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - Wayne Huey-Herng Sheu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
- Institute of Medical Technology, College of Life Science, National Chung-Hsing University, Taichung, Taiwan
- School of Medicine, National Defense Medical Center, Taipei, Taiwan
| | - Hsin-Che Wang
- Research and Development Department, ISUZU Optics, Hsinchu, Taiwan
- Center for Quantitative Imaging in Medicine (CQUIM), Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Jun-Peng Chen
- Biostatistics Task Force, Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Yi-Hsuan Sun
- Center for Quantitative Imaging in Medicine (CQUIM), Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Hsian-Min Chen
- Center for Quantitative Imaging in Medicine (CQUIM), Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Biomedical Engineering, Hung Kuang University, Taichung, Taiwan
- Department of Computer Science & Information Engineering, National United University, Miaoli, Taiwan
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Preechasuk L, Tantasuwan S, Likitmaskul S, Santiprabhob J, Lertbannaphong O, Plengvidhya N, Tangjittipokin W, Nitiyanant W, Lertwattanarak R. Clinical Characteristics, Glycemic Control, and Microvascular Complications Compared Between Young-Onset Type 1 and Type 2 Diabetes Patients at Siriraj Hospital - A Tertiary Referral Center. Diabetes Metab Syndr Obes 2022; 15:1375-1387. [PMID: 35528720 PMCID: PMC9075897 DOI: 10.2147/dmso.s354787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 04/01/2022] [Indexed: 12/02/2022] Open
Abstract
PURPOSE This study aimed to investigate the clinical characteristics, glycemic control, and microvascular complications compared between young-onset type 1 (T1DM) and type 2 diabetes (T2DM) patients at Siriraj Hospital. PATIENTS AND METHODS We collected demographic, clinical, glycemic control, and microvascular complication data of young-onset (onset <30 years of age) T1DM and T2DM patients at our center using February 2019-December 2020 data from the Thai Type 1 Diabetes and Diabetes diagnosed Age before 30 years Registry, Care and Network (T1DDAR CN). RESULTS Of 396 patients, 76% had T1DM and 24% had T2DM. At diagnosis, T1DM were significantly younger (9.7±5.4 vs 16.9±6.4 years, p<0.001), had a lower body mass index (17.2±4.1 vs 30.8±7.9 kg/m2, p<0.001), higher prevalence of diabetic ketoacidosis (DKA) (66.1% vs 13.7%, p<0.001), and higher HbA1c level (12.8±2.6% vs 10.9±3.1%, p=0.002) compared to T2DM. Regarding glycemic control, the mean HbA1c at registry enrollment did not differ between groups (T1DM 8.3±1.8% vs T2DM 8.1±2.2%, p=0.303), but T1DM achieved HbA1c <7% significantly less than T2DM (19.3% vs 47.8%, p<0.001). T1DM showed deterioration of glycemic control during 10-20 years of age, and gradually improved during 20-30 years of age, whereas patients with T2DM showed progressive worsening of glycemic control over time. Concerning microvascular complications, the prevalence of diabetic retinopathy (10.6% vs 9%, p=0.92) and diabetic neuropathy (3.4% vs 5.5%, p=0.514) between T1DM and T2DM was not significantly different. However, T2DM had a significantly higher prevalence of diabetic nephropathy (T1DM 10.1% vs T2DM 40.2%, p<0.001) that developed within a significantly shorter duration of diabetes (T1DM 11.0±6.8 vs T2DM 4.3±5.1 years, p<0.001) compared to T1DM. CONCLUSION T1DM had a significantly high prevalence of DKA at presentation, and most T1DM did not achieve the glycemic target, especially during adolescence. T2DM had a significantly higher prevalence of diabetic nephropathy that developed within a shorter duration of diabetes compared to T1DM.
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Affiliation(s)
- Lukana Preechasuk
- Siriraj Diabetes Center of Excellence, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Suchavadee Tantasuwan
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Supawadee Likitmaskul
- Siriraj Diabetes Center of Excellence, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Jeerunda Santiprabhob
- Siriraj Diabetes Center of Excellence, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Division of Endocrinology and Metabolism, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Ornsuda Lertbannaphong
- Siriraj Diabetes Center of Excellence, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Division of Endocrinology and Metabolism, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Nattachet Plengvidhya
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Siriraj Center of Research Excellence for Diabetes and Obesity, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Watip Tangjittipokin
- Siriraj Center of Research Excellence for Diabetes and Obesity, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Wannee Nitiyanant
- Siriraj Diabetes Center of Excellence, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Raweewan Lertwattanarak
- Siriraj Diabetes Center of Excellence, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Correspondence: Raweewan Lertwattanarak, Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand, Tel +66 2-419-7799, Fax +66 2-419-7792, Email
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Galosi E, Hu X, Michael N, Nyengaard JR, Truini A, Karlsson P. Redefining distal symmetrical polyneuropathy features in type 1 diabetes: a systematic review. Acta Diabetol 2022; 59:1-19. [PMID: 34213655 PMCID: PMC8758619 DOI: 10.1007/s00592-021-01767-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 06/21/2021] [Indexed: 12/14/2022]
Abstract
Diabetic neuropathy is among the most frequent complications of both type 1 (T1DM) and type 2 diabetes (T2DM) and commonly manifests as a distal symmetrical polyneuropathy (DSPN). Despite evidence that T1DM- and T2DM-related DSPN are separate entities, most of our knowledge on diabetic DSPN derives from studies focused on type 2 diabetes. This systematic review provides an overview of current evidence on DSPN in T1DM, including its epidemiological, pathophysiological and clinical features, along with principal diagnostic tests findings. This review included 182 clinical and preclinical studies. The results indicate that DSPN is a less frequent complication in T1DM compared with T2DM and that distinctive pathophysiological mechanisms underlie T1DM-related DSPN development, with hyperglycemia as a major determinant. T1DM-related DSPN more frequently manifests with non-painful than painful symptoms, with lower neuropathic pain prevalence compared with T2DM-associated DSPN. The overt clinical picture seems characterized by a higher prevalence of large fiber-related clinical signs (e.g., ankle reflexes reduction and vibration hypoesthesia) and to a lesser extent small fiber damage (e.g., thermal or pinprick hypoesthesia). These findings as a whole suggest that large fibers impairment plays a dominant role in the clinical picture of symptomatic T1DM-related DSPN. Nevertheless, small fiber diagnostic testing shows high diagnostic accuracy in detecting early nerve damage and may be an appropriate diagnostic tool for disease monitoring and screening.
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Affiliation(s)
- Eleonora Galosi
- Department of Human Neuroscience, Sapienza University, Rome, Italy.
| | - Xiaoli Hu
- Core Center for Molecular Morphology, Section for Stereology and Microscopy, Aarhus University, Aarhus, Denmark
| | - Nivatha Michael
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Jens Randel Nyengaard
- Core Center for Molecular Morphology, Section for Stereology and Microscopy, Aarhus University, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Department of Pathology, Aarhus University Hospital, Aarhus, Denmark
| | - Andrea Truini
- Department of Human Neuroscience, Sapienza University, Rome, Italy
| | - Páll Karlsson
- Core Center for Molecular Morphology, Section for Stereology and Microscopy, Aarhus University, Aarhus, Denmark
- Department of Clinical Medicine, Danish Pain Research Center, Aarhus University, Aarhus, Denmark
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Tommerdahl KL, Shapiro ALB, Nehus EJ, Bjornstad P. Early microvascular complications in type 1 and type 2 diabetes: recent developments and updates. Pediatr Nephrol 2022; 37:79-93. [PMID: 33852054 PMCID: PMC8527882 DOI: 10.1007/s00467-021-05050-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 03/01/2021] [Accepted: 03/09/2021] [Indexed: 12/30/2022]
Abstract
The prevalence of youth-onset diabetes is progressing rapidly worldwide, and poor glycemic control, in combination with prolonged diabetes duration and comorbidities including hypertension, has led to the early development of microvascular complications including diabetic kidney disease, retinopathy, and neuropathy. Pediatric populations with type 1 (T1D) and type 2 (T2D) diabetes are classically underdiagnosed with microvascular complications, and this leads to both undertreatment and insufficient attention to the mitigation of risk factors that could help attenuate further progression of complications and decrease the likelihood for long-term morbidity and mortality. This narrative review aims to present a comprehensive summary of the epidemiology, risk factors, symptoms, screening practices, and treatment options, including future opportunities for treatment advancement, for microvascular complications in youth with T1D and T2D. We seek to uniquely focus on the inherent challenges of managing pediatric populations with diabetes and discuss the similarities and differences between microvascular complications in T1D and T2D, while presenting a strong emphasis on the importance of early identification of at-risk youth. Further investigation of possible treatment mechanisms for microvascular complications in youth with T1D and T2D through dedicated pediatric outcome trials is necessary to target the brief window where early pathological vascular changes may be significantly attenuated.
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Affiliation(s)
- Kalie L Tommerdahl
- Department of Pediatrics, Section of Pediatric Endocrinology, Children's Hospital Colorado and University of Colorado Anschutz Medical Campus, 13123 E. 16th Avenue, Box B265, Aurora, CO, 80045, USA
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO, USA
- Center for Women's Health Research, University of Colorado School of Medicine, Aurora, CO, USA
- Department of Medicine, Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Allison L B Shapiro
- Department of Pediatrics, Section of Pediatric Endocrinology, Children's Hospital Colorado and University of Colorado Anschutz Medical Campus, 13123 E. 16th Avenue, Box B265, Aurora, CO, 80045, USA
- Lifecourse Epidemiology of Adiposity and Diabetes Center, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Edward J Nehus
- Division of Nephrology and Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Petter Bjornstad
- Department of Pediatrics, Section of Pediatric Endocrinology, Children's Hospital Colorado and University of Colorado Anschutz Medical Campus, 13123 E. 16th Avenue, Box B265, Aurora, CO, 80045, USA.
- Center for Women's Health Research, University of Colorado School of Medicine, Aurora, CO, USA.
- Department of Medicine, Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
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Bezen D, Türkmenoğlu Y, İrdem A. Ventricular depolarization and repolarization variability in children with type 1 diabetes mellitus. Pediatr Int 2022; 64:e15290. [PMID: 36257614 DOI: 10.1111/ped.15290] [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: 01/07/2022] [Revised: 06/01/2022] [Accepted: 06/24/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Arrhythmias can be seen as a sign of cardiac autonomic neuropathy in type 1 diabetes mellitus. We aimed to evaluate pulmonary artery pressure, ventricular depolarization and repolarization variability in children with type 1 diabetes mellitus. METHODS We investigated 78 children with type 1 diabetes mellitus (mean age 11.6 ± 3.6 years) and 68 age-gender matched healthy children as control group. All type 1 diabetes mellitus patients were divided into three subgroups according to glycated hemoglobin (HbA1c) levels and the duration of disease. Electrocardiogram and transthoracic echocardiograms were performed on both groups. RESULTS In patients with type 1 diabetes mellitus, there was an elongation in P, Pd, PR, QTc, QTd, QTcd, JT, JTc, JTd, Tp-Te and Tp-Te/QT, Tp-Te/QTc, Tp-Te/JT, Tp-Te/JTc ratios were higher (P < 0.05). In patients with type 1 diabetes mellitus, pulmonary artery pressure was higher than control group (P = 0.001). Prolongation of QTc, thickness of left ventricle end-diastolic diameter and left ventricle posterior wall diameter were higher in the HbA1c ≥9% subgroup. When adjusted for age there was no significant correlation between left ventricle parameters and HbA1c. CONCLUSIONS Atrial conduction delay and impairment of ventricular repolarization were significantly high and there was a predisposition for the development of pulmonary artery hypertension in children with type 1 diabetes mellitus. Poor glycemic control was not a risk factor for propensity of left ventricle hypertrophy and left ventricle dysfunction.
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Affiliation(s)
- Diğdem Bezen
- Department of Pediatrics, Pediatric Endocrinology, University of Health Sciences, Prof. Dr. Cemil Taşçıoğlu City Hospital, İstanbul, Turkey
| | - Yelda Türkmenoğlu
- Department of Pediatrics, University of Health Sciences, Prof. Dr. Cemil Taşçıoğlu City Hospital, İstanbul, Turkey
| | - Ahmet İrdem
- Department of Pediatrics, Pediatric Cardiology, University of Health Sciences, Prof. Dr. Cemil Taşçıoğlu City Hospital, İstanbul, Turkey
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Rasmussen VF, Jensen TS, Tankisi H, Karlsson P, Vestergaard ET, Kristensen K, Nyengaard JR, Terkelsen AJ. Large fibre, small fibre and autonomic neuropathy in adolescents with type 1 diabetes: A systematic review. J Diabetes Complications 2021; 35:108027. [PMID: 34429229 DOI: 10.1016/j.jdiacomp.2021.108027] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 05/27/2021] [Accepted: 08/14/2021] [Indexed: 01/23/2023]
Abstract
AIMS To estimate the prevalence of neuropathy in adolescents with type 1 diabetes. METHODS Systematic collection of published studies exploring the prevalence of large fibre neuropathy (LFN), small fibre neuropathy (SFN), and autonomic neuropathy in adolescents with type 1 diabetes. Following prospective registration (Prospero CRD42020206093), PubMed, EMBASE, and Cochrane Library were searched for studies from 2000 to 2020. PICO framework was used in the selection process (Population: adolescents aged 10-19 years with type 1 diabetes; Intervention: diagnostic methods for neuropathy; Comparison: reference data; Outcome: data on prevalence or comparison). Data were extracted concerning study quality based on available data and established methods for determining and diagnosing various neuropathy types. RESULTS From 2,017 initial citations, 27 studies (7589 participants) fulfilled eligibility criteria. The study population (47% males) had a diabetes duration between 4.0 and 10.6 years, and HbA1c level between 7.3 and 10.8%, 56-95 mmol/mol. The prevalence of LFN, based on nerve conduction studies, was 10-57%. Based on other tests for neuropathy, the prevalence of LFN and SFN was 12-62%, and that of cardiac autonomic neuropathy was 12-75%. CONCLUSION The described prevalence of neuropathy in adolescents with type 1 diabetes varied, which can be methodological due to different screening methods and classifications of neuropathy.
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Affiliation(s)
- Vinni Faber Rasmussen
- Danish Pain Research Center, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Department of Paediatrics, Randers Regional Hospital, Randers, Denmark.
| | - Troels Staehelin Jensen
- Danish Pain Research Center, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; International Diabetic Neuropathy Consortium, Aarhus University, Denmark
| | - Hatice Tankisi
- Department of Neurophysiology, Department of Clinical Medicine, Aarhus University, Denmark
| | - Páll Karlsson
- Danish Pain Research Center, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Core Centre for Molecular Morphology, Section for Stereology and Microscopy, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Esben Thyssen Vestergaard
- Department of Paediatrics, Randers Regional Hospital, Randers, Denmark; Steno Diabetes Center Aarhus, Aarhus University Hospital, Denmark
| | - Kurt Kristensen
- Steno Diabetes Center Aarhus, Aarhus University Hospital, Denmark
| | - Jens Randel Nyengaard
- Core Centre for Molecular Morphology, Section for Stereology and Microscopy, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Department of Pathology, Aarhus University Hospital, Aarhus, Denmark
| | - Astrid Juhl Terkelsen
- Danish Pain Research Center, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
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18
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Risk Factors for Diabetic Peripheral Neuropathy in Adolescents and Young Adults With Type 2 Diabetes: Results From the TODAY Study. Diabetes Care 2021; 45:dc211074. [PMID: 34716210 PMCID: PMC9174958 DOI: 10.2337/dc21-1074] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 09/17/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Data related to diabetic neuropathy in youth with type 2 diabetes are limited. We examined the relationship of glycemic control, sex, race/ethnicity, BMI, and other type 2 diabetes-associated factors with the development of diabetic peripheral neuropathy (DPN) in youth with type 2 diabetes enrolled in the Treatment Options for type 2 Diabetes in Adolescents and Youth (TODAY) study. RESEARCH DESIGN AND METHODS The Michigan Neuropathy Screening Instrument (MNSI) and a 10-g monofilament exam were performed annually. DPN was defined as a score (>2) on the MNSI-exam or combined MNSI-exam and MNSI-survey scores (exam >2 and/or survey ≥4), or monofilament exam (<8 of 10 correct responses) at two or more consecutive visits. Multivariable time-to-event models assessed the association of risk factors evaluated longitudinally with DPN events. RESULTS A total of 674 participants (35% male), with a mean age of 14 years and diabetes duration <2 years at study entry, were evaluated annually over an average of 10.2 years. Male subjects had a significantly higher cumulative incidence of DPN than female subjects (38.5% vs. 27.2% via MNSI-exam, P = 0.002; 14.0% vs. 5.1% via monofilament exam, P = 0.01). Rates did not differ by race/ethnicity. Higher HbA1c and BMI were associated with higher DPN, by both MNSI and the monofilament test. In multivariable models, male sex, older age, and higher BMI were associated with MNSI-exam DPN risk. CONCLUSIONS DPN was evident early in the course of youth-onset type 2 diabetes and increased over time. It was higher in male subjects and related to glycemic control. These findings raise concern for long-term development of neuropathy-related morbidity in youth with type 2 diabetes and the need to achieve improved glycemic control.
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Abstract
Diabetic neuropathy is a neurodegenerative disorder that may alter both the somatic and autonomic peripheral nervous systems in the context of diabetes mellitus (DM). It is a prevalent and burdensome chronic complication of DM, that requires timely management. Optimized glycemic control (mainly for type 1 DM), multifactorial intervention (mainly for type 2 DM), with lifestyle intervention/physical exercise, and weight loss represent the basis of management for diabetic distal symmetrical polyneuropathy, and should be implemented early in the disease course. Despite better understanding of the pathogenetic mechanisms of diabetic peripheral neuropathy, there is still a stringent need for more pathogenetic-based agents that would significantly modify the natural history of the disease. The paper reviews the available drugs and current recommendations for the management of distal symmetrical polyneuropathy, including pain management, and for diabetic autonomic neuropathy. Evaluation of drug combinations that would perhaps be more efficient in slowing the progression of the disease or even reversing it, and that would provide a better pain management is still needed.
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Affiliation(s)
- Simona Cernea
- Department M3/Internal Medicine I, "George Emil Palade" University of Medicine, Pharmacy, Science, and Technology of Târgu Mureş, Târgu Mureş, Romania; Diabetes, Nutrition and Metabolic Diseases Outpatient Unit, Emergency County Clinical Hospital, Târgu Mureş, Romania.
| | - Itamar Raz
- Diabetes Unit, Hadassah Hebrew University Hospital, Jerusalem, Israel
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Amelia R, Harahap J, Yunanda Y, Wijaya H, Fujiati II, Yamamoto Z. Early detection of macrovascular complications in type 2 diabetes mellitus in Medan, North Sumatera, Indonesia: A cross-sectional study. F1000Res 2021; 10:808. [PMID: 34527220 PMCID: PMC8411276 DOI: 10.12688/f1000research.54649.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/09/2021] [Indexed: 11/20/2022] Open
Abstract
Background: Macrovascular complications occur very frequently in patients with type 2 diabetes mellitus (T2DM) with a high mortality rate, due to the development of cardiovascular disease (CVD), such as stroke, atherosclerosis acceleration, and atrial fibrillation. T2DM is a significant risk factor for CVD and has become the leading cause of death. The purpose of this study was to detect the early risk of macrovascular complications by using the ankle brachial index (ABI) as a marker. Methods: This study was an analytic study with a cross-sectional approach. The study population was patients with T2DM from several primary health care centers in Medan. In total, 89 subjects who met the inclusion and exclusion criteria were recruited with consecutive sampling. ABI was determined as the ratio of systolic blood pressure in the brachial artery to the posterior tibial artery after the subjects had been relaxed and felt comfortable in a supine position. Examination of vitamin D and lipid profile was derived from examination of venous blood. Data were processed using SPSS and analyzed with one-way ANOVA. Results: The study found that there was a relationship between LDL-C, triglyceride, and vitamin D (25OH-D) based on the ABI (p > 0.05). Conclusions: ABI can be used for an early detection of macrovascular complications. Apart from being easy to perform, ABI was non-invasive. Some other risk factors that can also be used to assess complications and have relationships with ABI were LDL-C, triglyceride, and vitamin D (25OH-D). Complications in T2DM patients can be prevented with reasonable blood sugar control and lifestyle changes. Education and motivation need to be given to patients so that they become more independent in controlling their disease and improving their quality of life.
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Affiliation(s)
- Rina Amelia
- 1Department of Community Medicine/Public Health, Faculty of Medicine, Universitas Sumatera Utara, Medan, North Sumatera, 20155, Indonesia
| | - Juliandi Harahap
- 1Department of Community Medicine/Public Health, Faculty of Medicine, Universitas Sumatera Utara, Medan, North Sumatera, 20155, Indonesia
| | - Yuki Yunanda
- 1Department of Community Medicine/Public Health, Faculty of Medicine, Universitas Sumatera Utara, Medan, North Sumatera, 20155, Indonesia
| | - Hendri Wijaya
- Department of Pediatrics, Faculty of Medicine, Universitas Sumatera Utara, Medan, North Sumatera, 20155, Indonesia
| | - Isti Ilmiati Fujiati
- 1Department of Community Medicine/Public Health, Faculty of Medicine, Universitas Sumatera Utara, Medan, North Sumatera, 20155, Indonesia
| | - Zulham Yamamoto
- Department of Histology, Faculty of Medicine, Universitas Sumatera Utara, Medan, North Sumatera, 20155, Indonesia
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Sauder KA, Stafford JM, Ehrlich S, Lawrence JM, Liese AD, Marcovina S, Mottl AK, Pihoker C, Saydah S, Shah AS, D'Agostino RB, Dabelea D. Disparities in Hemoglobin A 1c Testing During the Transition to Adulthood and Association With Diabetes Outcomes in Youth-Onset Type 1 and Type 2 Diabetes: The SEARCH for Diabetes in Youth Study. Diabetes Care 2021; 44:dc202983. [PMID: 34376501 PMCID: PMC8929181 DOI: 10.2337/dc20-2983] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 07/12/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To identify correlates of hemoglobin A1c (HbA1c) testing frequency and associations with HbA1c levels and microvascular complications in youth-onset diabetes. RESEARCH DESIGN AND METHODS The SEARCH for Diabetes in Youth study collected data from individuals diagnosed with diabetes before age 20 at 8 years (n=1,885 type 1, n=230 type 2) and 13 years (n=649 type 1, n = 84 type 2) diabetes duration. We identified correlates of reporting ≥3 HbA1c tests/year using logistic regression. We examined associations of HbA1c testing with HbA1c levels and microvascular complications (retinopathy, neuropathy, or nephropathy) using sequentially adjusted linear and logistic regression. RESULTS For type 1 diabetes, odds of reporting ≥3 HbA1c tests/year at 8 and 13 years diabetes duration decreased with older age at diagnosis (odds ratio [OR] 0.91 [95% CI 0.88-0.95]), longer duration of diabetes (OR 0.90 [0.82-0.99]), not having a personal doctor (OR 0.44 [0.30-0.65]), and lapses in health insurance (OR 0.51 [0.27-0.96]). HbA1c testing ≥3 times/year over time was associated with lower HbA1c levels (OR -0.36% [-0.65 to -0.06]) and lower odds of microvascular complications (OR 0.64 [0.43-0.97]) at 13 years duration, but associations were attenuated after adjustment for HbA1c testing correlates (OR -0.17 [-0.46 to 0.13] and 0.70 [0.46-1.07], respectively). For type 2 diabetes, not seeing an endocrinologist decreased the odds of reporting ≥3 HbA1c tests/year over time (OR 0.19 [0.06-0.63]), but HbA1c testing frequency was not associated with HbA1c levels or microvascular complications. CONCLUSIONS We observed disparities in HbA1c testing frequency predominately by health care-related factors, which were associated with diabetes outcomes in type 1 diabetes.
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Affiliation(s)
- Katherine A Sauder
- Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, University of Colorado, Aurora, CO
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
- Department of Epidemiology, Colorado School of Public Health, Aurora, CO
| | - Jeanette M Stafford
- Department of Biostatistics and Data Science, Wake Forest School of Medicine, Winston-Salem, NC
| | - Shelley Ehrlich
- Cincinnati Children's Hospital Medical Center and The University of Cincinnati, Cincinnati, OH
| | - Jean M Lawrence
- Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, CA
| | - Angela D Liese
- Department of Epidemiology and Biostatistics, University of South Carolina Arnold School of Public Health, Columbia, SC
| | - Santica Marcovina
- Northwest Lipid Research Laboratory, University of Washington, Seattle, WA
| | - Amy K Mottl
- Division of Nephrology and Hypertension, University of North Carolina School of Medicine, Chapel Hill, NC
| | | | - Sharon Saydah
- Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, GA
| | - Amy S Shah
- Cincinnati Children's Hospital Medical Center and The University of Cincinnati, Cincinnati, OH
| | - Ralph B D'Agostino
- Department of Biostatistics and Data Science, Wake Forest School of Medicine, Winston-Salem, NC
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22
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Wu B, Niu Z, Hu F. Study on Risk Factors of Peripheral Neuropathy in Type 2 Diabetes Mellitus and Establishment of Prediction Model. Diabetes Metab J 2021; 45:526-538. [PMID: 34352988 PMCID: PMC8369209 DOI: 10.4093/dmj.2020.0100] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/12/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Diabetic peripheral neuropathy (DPN) is one of the most serious complications of type 2 diabetes mellitus (T2DM). DPN increases the risk of ulcers, foot infections, and noninvasive amputations, ultimately leading to long-term disability. METHODS Seven hundred patients with T2DM were investigated from 2013 to 2017 in the Sanlin community by obtaining basic data from the electronic medical record system (EMRS). From September 2018 to July 2019, 681 patients (19 missing) were investigated using a questionnaire, physical examination, biochemical index test, and follow-up Toronto clinical scoring system (TCSS) test. Patients with a TCSS score ≥6 points were diagnosed with DPN. After removing missing values, 612 patients were divided into groups in a 3:1 ratio for external validation. Using different Lasso analyses (misclassification error, mean squared error, -2log-likelihood, and area under curve) and a logistic regression analysis of the training set, models A, B, C, and D were established. The receiver operating characteristic (ROC) curve, calibration plot, dynamic component analysis (DCA) measurements, net classification improvement (NRI) and integrated discrimination improvement (IDI) were used to validate discrimination and clinical practicality of the model. RESULTS Through data analysis, model A (containing four factors), model B (containing five factors), model C (containing seven factors), and model D (containing seven factors) were built. After calibration, ROC curve, DCA, NRI and IDI, models C and D exhibited better accuracy and greater predictive power. CONCLUSION Four prediction models were established to assist with the early screening of DPN in patients with T2DM. The influencing factors in model C and D are more important factors for patients with T2DM diagnosed with DPN.
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Affiliation(s)
- Birong Wu
- School of Public Health, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zheyun Niu
- School of Public Health, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Fan Hu
- School of Public Health, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Corresponding author: Fan Hu https://orcid.org/0000-0002-7929-6953 School of Public Health, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201203, China E-mail:
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23
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Krasulina KA, Glazkova PA, Glazkov AA, Kulikov DA, Rogatkin DA, Kovaleva YA, Bardeeva JN, Dreval AV. Reduced microvascular reactivity in patients with diabetic neuropathy. Clin Hemorheol Microcirc 2021; 79:335-346. [PMID: 34057140 DOI: 10.3233/ch-211177] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Neurogenic regulation is involved in the development of microcirculation response to local heating. We suggest that microvascular reactivity can be used to estimate the severity of diabetic polyneuropathy (DPN). OBJECTIVE To evaluate the prospects for using the parameters of skin microvascular reactivity to determine the severity of DPN. METHODS 26 patients with diabetes mellitus were included in the study (patients with retinopathy (n = 15), and without retinopathy (n = 11)). The severity of DPN was assessed using Michigan Neuropathy Screening Instrument (MNSI) and Norfolk QOL-DN (NQOLDN). Skin microcirculation was measured by laser Doppler flowmetry with local heating test. RESULTS There were revealed moderate negative correlations between microvascular reactivity and the severity of DPN (for MNSI (Rs = -0.430), for NQOLDN (Rs = -0.396)). In patients with retinopathy, correlations were stronger than in the general group (for MNSI (Rs = -0.770) and NQOLDN (Rs = -0.636)). No such correlations were found in patients without retinopathy. CONCLUSION Correlation of the microvascular reactivity and DPN was revealed in patients with registered structural disorders in microvessels (retinopathy). The lack of such correlation in patients without retinopathy may be explained by the intact compensatory mechanisms of microvessels without severe disorders.
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Affiliation(s)
- K A Krasulina
- Moscow Regional Research and Clinical Institute ("MONIKI"), Moscow, Russian Federation
| | - P A Glazkova
- Moscow Regional Research and Clinical Institute ("MONIKI"), Moscow, Russian Federation
| | - A A Glazkov
- Moscow Regional Research and Clinical Institute ("MONIKI"), Moscow, Russian Federation
| | - D A Kulikov
- Moscow Regional Research and Clinical Institute ("MONIKI"), Moscow, Russian Federation.,Moscow Region State University, Mytishchi, Russian Federation.,Federal Scientific State Budgetary Institution "N.A. Semashko National Research Institute of Public Health", Moscow, Russian Federation
| | - D A Rogatkin
- Moscow Regional Research and Clinical Institute ("MONIKI"), Moscow, Russian Federation
| | - Y A Kovaleva
- Moscow Regional Research and Clinical Institute ("MONIKI"), Moscow, Russian Federation
| | - J N Bardeeva
- Moscow Regional Research and Clinical Institute ("MONIKI"), Moscow, Russian Federation
| | - A V Dreval
- Moscow Regional Research and Clinical Institute ("MONIKI"), Moscow, Russian Federation
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24
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Bondar A, Popa AR, Papanas N, Popoviciu M, Vesa CM, Sabau M, Daina C, Stoica RA, Katsiki N, Stoian AP. Diabetic neuropathy: A narrative review of risk factors, classification, screening and current pathogenic treatment options (Review). Exp Ther Med 2021; 22:690. [PMID: 33986855 PMCID: PMC8111877 DOI: 10.3892/etm.2021.10122] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 02/22/2021] [Indexed: 12/15/2022] Open
Abstract
Diabetic neuropathy (DN) is a frequent complication of diabetes mellitus (DM) with severe consequences as it progresses and influences all human body systems. This review discusses the risk factors for DN, the main characteristics of the clinical forms of DN, the screening methods and the current therapeutic options. Distal symmetric DN is the primary clinical form, and DM patients should be screened for this complication. The most important treatment of DN remains good glucose control, generally defined as HbA1c ≤7%. Symptomatic treatment improves life quality in diabetic patients. Pharmacological agents such as alpha (α)-lipoic acid and benfotiamine have been validated in several studies since they act on specific pathways such as increased oxidative stress (α-lipoic acid exerts antioxidant effects) and the excessive production of advanced glycosylation products (benfotiamine may inhibit their production via the normalization of glucose). Timely diagnosis of DN is significant to avoid several complications, including lower limb amputations and cardiac arrhythmias.
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Affiliation(s)
- Andrei Bondar
- Department of Psychiatry, Clinical County Emergency Hospital of Oradea, 410169 Oradea, Romania.,Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Amorin Remus Popa
- Department of Psychiatry, Clinical County Emergency Hospital of Oradea, 410169 Oradea, Romania.,Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Nikolaos Papanas
- Second Department of Internal Medicine, 'Democritus' University of Thrace Diabetes Centre, 68100 Alexandroupolis, Greece
| | - Mihaela Popoviciu
- Department of Psychiatry, Clinical County Emergency Hospital of Oradea, 410169 Oradea, Romania.,Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Cosmin Mihai Vesa
- Department of Psychiatry, Clinical County Emergency Hospital of Oradea, 410169 Oradea, Romania.,Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Monica Sabau
- Department of Psychiatry, Clinical County Emergency Hospital of Oradea, 410169 Oradea, Romania.,Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Cristian Daina
- Department of Psychiatry, Clinical County Emergency Hospital of Oradea, 410169 Oradea, Romania.,Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Roxana Adriana Stoica
- Department of Diabetes, Nutrition and Metabolic Diseases, 'Carol Davila' University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Niki Katsiki
- Second Propaedeutic Department of Internal Medicine, AHEPA University Hospital, 54636 Thessaloniki, Greece
| | - Anca Pantea Stoian
- Department of Diabetes, Nutrition and Metabolic Diseases, 'Carol Davila' University of Medicine and Pharmacy, 050474 Bucharest, Romania
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25
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Sun J, Wang Y, Zhang X, Zhu S, He H. Prevalence of peripheral neuropathy in patients with diabetes: A systematic review and meta-analysis. Prim Care Diabetes 2020; 14:435-444. [PMID: 31917119 DOI: 10.1016/j.pcd.2019.12.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 12/10/2019] [Accepted: 12/25/2019] [Indexed: 01/10/2023]
Abstract
AIMS We aimed to determine pooled prevalence of diabetic peripheral neuropathy (DPN) in patients with diabetes and to explore the impacts of research variables on prevalence estimates. METHODS A systematic search was performed in PubMed, EMBASE, The Cochrane Library and Scopus from onset up to July 2018 to identify articles investigating the prevalence of DPN. Random-effects models were used to calculate the pooled prevalence of DPN. The heterogeneity of the study was estimated with the I2 statistic. The publication bias was described by Egger's test and funnel plot. RESULTS A total of 29 studies with a total of 50,112 participants were included in this meta-analysis. The results showed that the pooled prevalence of DPN was 30% (95% confidence interval, CI 25-34%). The pooled prevalence of DPN among patients with type 2 diabetes mellitus was higher than patients with type 1 diabetes mellitus (31.5%, 95% CI 24.4-38.6% vs 17.5%, 95% CI 4.8-30.2%). The pooled prevalence of DPN of studies involving a mixed type of diabetes mellitus was 24.8% (95% CI 13.1-36.5%, I2=99.1%). CONCLUSIONS Medical staff should strengthen the evaluation and diagnosis of DPN. Moreover, they need to teach diabetic patients how to prevent this complication.
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Affiliation(s)
- Juan Sun
- School of Medicine, Nantong University, No.19 Qixiu Road, Chongchuan District, Nantong, Jiangsu Province, China
| | - Ya Wang
- Affiliated Hospital of Nantong University, No. 20, Xisi Road, Chongchuan District, Nantong, Jiangsu Province, China
| | - Xiaoyi Zhang
- Department of Endocrinology, Affiliated Hospital of Nantong University, No. 20, Xisi Road, Chongchuan District, Nantong, Jiangsu Province, China
| | - Shengze Zhu
- School of Medicine, Nantong University, No.19 Qixiu Road, Chongchuan District, Nantong, Jiangsu Province, China
| | - Hong He
- Department of Nursing, Affiliated Hospital of Nantong University, No. 20, Xisi Road, Chongchuan District, Nantong, Jiangsu Province, 226001, China.
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26
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Miravet-Jiménez S, Pérez-Unanua M, Alonso-Fernández M, Escobar-Lavado F, González-Mohino Loro B, Piera-Carbonell A. Manejo de la diabetes mellitus tipo 2 en adolescentes y adultos jóvenes en atención primaria. Semergen 2020; 46:415-424. [DOI: 10.1016/j.semerg.2019.11.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 11/04/2019] [Accepted: 11/05/2019] [Indexed: 12/20/2022]
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27
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Dedov II, Shestakova MV, Mayorov AY, Shamkhalova MS, Nikonova TV, Sukhareva OY, Pekareva EV, Ibragimova LI, Mikhina MS, Galstyan GR, Tokmakova AY, Surkova EV, Laptev DN, Kononenko IV, Egorova DN, Klefortova II, Sklyanik IA, Yarek-Martynova IY, Severina AS, Martynov SA, Vikulova OK, Kalashnikov VY, Gomova IS, Lipatov DV, Starostina EG, Ametov AS, Antsiferov MB, Bardymova TP, Bondar IA, Valeeva FV, Demidova TY, Klimontov VV, Mkrtumyan AM, Petunina NA, Suplotova LA, Ushakova OV, Khalimov YS, Ruyatkina LA. Diabetes mellitus type 1 in adults. DIABETES MELLITUS 2020. [DOI: 10.14341/dm12505] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Tatiana P. Bardymova
- Irkutsk State Medical Academy of Postgraduate Education – Branch Campus of the Russian Medical Academy of Continuing Professional Education
| | | | | | | | - Vadim V. Klimontov
- Research Institute of Clinical and Experimental Lymphology – Branch of the Institute of Cytology and Genetics, Siberian Branch of Russian Academy of Sciences
| | - Ashot M. Mkrtumyan
- Moscow State University of Medicine and Dentistry named after A.I. Evdokimov
| | - Nina A. Petunina
- I.M. Sechenov First Moscow State Medical University (Sechenov University)
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28
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Dedov II, Shestakova MV, Mayorov AY, Shamkhalova MS, Sukhareva OY, Galstyan GR, Tokmakova AY, Nikonova TV, Surkova EV, Kononenko IV, Egorova DN, Ibragimova LI, Shestakova EA, Klefortova II, Sklyanik IA, Yarek-Martynova IY, Severina AS, Martynov SA, Vikulova OK, Kalashnikov VY, Bondarenko IZ, Gomova IS, Starostina EG, Ametov AS, Antsiferov MB, Bardymova TP, Bondar IA, Valeeva FV, Demidova TY, Mkrtumyan AM, Petunina NA, Ruyatkina LA, Suplotova LA, Ushakova OV, Khalimov YS. Diabetes mellitus type 2 in adults. DIABETES MELLITUS 2020. [DOI: 10.14341/dm12507] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Tatiana P. Bardymova
- Irkutsk State Medical Academy of Postgraduate Education – Branch Campus of the Russian Medical Academy of Continuing Professional Education
| | | | | | | | - Ashot M. Mkrtumyan
- Moscow State University of Medicine and Dentistry named after A.I. Evdokimov
| | - Nina A. Petunina
- I.M. Sechenov First Moscow State Medical University (Sechenov University)
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29
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Pai YW, Tang CL, Lin CH, Lin SY, Lee IT, Chang MH. Glycaemic control for painful diabetic peripheral neuropathy is more than fasting plasma glucose and glycated haemoglobin. DIABETES & METABOLISM 2020; 47:101158. [PMID: 32413414 DOI: 10.1016/j.diabet.2020.04.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/01/2020] [Accepted: 04/19/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND The relationship between postprandial hyperglycaemia and diabetic peripheral neuropathy (DPN), whether painful or painless, has yet to be determined. Thus, the aim of this study was to investigate the relationship in patients with type 2 diabetes (T2D). METHODS This cross-sectional study was conducted in adults with T2D between January and October 2013. Blood samples were collected after overnight fasting every 3 months prior to enrolment. For this study, increased postprandial glycaemic exposure was defined as high glycated haemoglobin (HbA1c) and near-normal mean fasting plasma glucose (FPG) levels. Both painless and painful DPN were evaluated using two validated tools, the Michigan Neuropathy Screening Instrument (MNSI) and Douleur Neuropathique 4 (DN4) questionnaire. RESULTS This study included 1040 participants with mean FPG levels<140mg/dL, 535 of which were<126mg/dL. Of these patients, 200/1040 (19.2%) and 105/535 (19.6%) had DPN. Multivariate analysis demonstrated that higher HbA1c levels (≥7%) did not increase risk of painless DPN, but did significantly increase risk of painful DPN in T2D patients with FPG<140mg/dL and<126mg/dL, with corresponding odds ratios of 2.49 and 3.77 (95% confidence intervals: 1.09-5.71 and 1.20-11.79), respectively, after adjusting for demographic factors, diabetes-related variables and comorbidities. CONCLUSION This study is the first to reveal that increased postprandial glycaemic exposure, as assessed by high HbA1c and near-normal FPG levels, is associated with an increased risk of painful DPN in adults with T2D.
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Affiliation(s)
- Y-W Pai
- Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
| | - C-L Tang
- Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
| | - C-H Lin
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - S-Y Lin
- Centre for Geriatrics and Gerontology, Taichung Veterans General Hospital, Taichung, Taiwan; Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - I-T Lee
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan; Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan; Department of Medicine, School of Medicine, Chung Shan Medical University, Taichung, Taiwan.
| | - M-H Chang
- Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan; Department of Neurology, School of Medicine, National Yang-Ming University, Taipei, Taiwan.
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30
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Malik FS, Stafford JM, Reboussin BA, Klingensmith GJ, Dabelea D, Lawrence JM, Mayer-Davis E, Saydah S, Corathers S, Pihoker C. Receipt of recommended complications and comorbidities screening in youth and young adults with type 1 diabetes: Associations with metabolic status and satisfaction with care. Pediatr Diabetes 2020; 21:349-357. [PMID: 31797506 PMCID: PMC7597528 DOI: 10.1111/pedi.12948] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 10/26/2019] [Accepted: 11/01/2019] [Indexed: 01/16/2023] Open
Abstract
OBJECTIVES This study sought to: (a) assess the prevalence of diabetes complications and comorbidities screening as recommended by the American Diabetes Association (ADA) for youth and young adults (YYAs) with type 1 diabetes (T1D), (b) examine the association of previously measured metabolic status related to diabetes complications with receipt of recommended clinical screening, and (c) examine the association of satisfaction with diabetes care with receipt of recommended clinical screening. METHODS The study included 2172 SEARCH for Diabetes in Youth participants with T1D (>10 years old, diabetes duration >5 years). Mean participant age was 17.7 ± 4.3 years with a diabetes duration of 8.1 ± 1.9 years. Linear and multinomial regression models were used to evaluate associations. RESULTS Sixty percent of participants reported having three or more hemoglobin A1c (HbA1c) measurements in the past year. In terms of diabetes complications screening, 93% reported having blood pressure measured, 81% having an eye examination, 71% having lipid levels checked, 64% having a foot exam, and 63% completing albuminuria screening in accordance with ADA recommendations. Youth known to have worse glycemic control in the past had higher odds of not meeting HbA1c screening criteria (OR 1.11, 95% CI = 1.05, 1.17); however, after adjusting for race/ethnicity, this was no longer statistically significant. Greater satisfaction with diabetes care was associated with increased odds of meeting screening criteria for most of the ADA-recommended measures. CONCLUSIONS Efforts should be made to improve diabetes complications screening efforts for YYAs with T1D, particularly for those at higher risk for diabetes complications.
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Affiliation(s)
- Faisal S. Malik
- Department of Pediatrics, University of Washington, Seattle, WA
| | - Jeanette M. Stafford
- Department of Biostatistics and Data Science, Wake Forest School of Medicine, Winston-Salem, NC
| | - Beth A. Reboussin
- Department of Biostatistics and Data Science, Wake Forest School of Medicine, Winston-Salem, NC
| | | | - Dana Dabelea
- Department of Epidemiology, Colorado School of Public Health, Aurora, CO
| | - Jean M. Lawrence
- Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, CA
| | - Elizabeth Mayer-Davis
- Departments of Nutrition and Medicine, University of North Carolina, Chapel Hill, NC
| | - Sharon Saydah
- Division of Diabetes Translation, Centers for Disease Control and Prevention, Georgia
| | - Sarah Corathers
- Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
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31
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Shah AS, Nadeau KJ, Helmrath MA, Inge TH, Xanthakos SA, Kelsey MM. Metabolic outcomes of surgery in youth with type 2 diabetes. Semin Pediatr Surg 2020; 29:150893. [PMID: 32238292 PMCID: PMC7125189 DOI: 10.1016/j.sempedsurg.2020.150893] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Youth-onset type 2 diabetes (T2D) is a formidable threat to the health of obese adolescents because of its potential for early-onset and aggressive co-morbidities and complications. The physiology of youth-onset T2D differs from T2D in adults and is associated with a greater degree of insulin resistance, a more rapid decline in pancreatic β-cell function, and a poorer response to medications. Medical management in youth is focused on combining lifestyle intervention and pharmacological treatment, but these therapies have yet to demonstrate improvements in disease progression. Metabolic bariatric surgery (MBS) is now recommended for the treatment of T2D in adults largely because of the beneficial effects on weight, ability to improve glycemic control, and, in a large proportion of people, induce diabetes remission. MBS is now being performed in adolescents with severe obesity and T2D, with initial results also showing high rates of T2D remission. Here, we review the state of medical management of youth-onset T2D and the outcomes of MBS studies in youth with T2D published to date.
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Affiliation(s)
- Amy S Shah
- Department of Pediatrics, Division of Pediatric Endocrinology, University of Cincinnati and Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States.
| | - Kristen J Nadeau
- Denver and Children's Hospital Colorado, Division of Pediatric Endocrinology, University of Colorado, Aurora, CO, United States
| | - Michael A Helmrath
- Department of Pediatric Surgery, University of Cincinnati and Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States
| | - Thomas H Inge
- Denver and Children's Hospital Colorado, Division of Pediatric Surgery, University of Colorado, Aurora, CO, United States
| | - Stavra A Xanthakos
- Department of Pediatrics, Division of Pediatric Gastroenterology, University of Cincinnati and Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States
| | - Megan M Kelsey
- Denver and Children's Hospital Colorado, Division of Pediatric Endocrinology, University of Colorado, Aurora, CO, United States
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32
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Graves LE, Donaghue KC. Vascular Complication in Adolescents With Diabetes Mellitus. Front Endocrinol (Lausanne) 2020; 11:370. [PMID: 32582034 PMCID: PMC7295945 DOI: 10.3389/fendo.2020.00370] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 05/11/2020] [Indexed: 12/16/2022] Open
Abstract
Diabetes mellitus is becoming more prevalent and even with new advancements which improve glycaemic control, complications of diabetes are common. Vascular complications of diabetes include the microvascular complications: retinopathy, nephropathy, and peripheral and autonomic neuropathy. Macrovascular complications are also common in patients with diabetes and arguably more concerning as they confer a high mortality risk yet are sometimes under-treated. Risk factors for diabetes complications start to occur in childhood and adolescents and some youths may be diagnosed with complications before transition to adult care. This article discusses the prevalence, risk factors, screening, and treatment recommendations for vascular complications in children and adolescents with diabetes.
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Affiliation(s)
- Lara E. Graves
- Institute of Endocrinology and Diabetes, The Children's Hospital at Westmead, Westmead, NSW, Australia
- *Correspondence: Lara E. Graves
| | - Kim C. Donaghue
- Institute of Endocrinology and Diabetes, The Children's Hospital at Westmead, Westmead, NSW, Australia
- Discipline of Child and Adolescent Health, Children's Hospital at Westmead Clinical School, University of Sydney, Westmead, NSW, Australia
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33
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Huang L, Zhang Y, Wang Y, Shen X, Yan S. Diabetic Peripheral Neuropathy Is Associated With Higher Systolic Blood Pressure in Adults With Type 2 Diabetes With and Without Hypertension in the Chinese Han Population. Can J Diabetes 2019; 44:615-623. [PMID: 32276832 DOI: 10.1016/j.jcjd.2019.11.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 11/20/2019] [Accepted: 11/25/2019] [Indexed: 01/29/2023]
Abstract
OBJECTIVES Our aim in this study was to investigate the association between diabetic peripheral neuropathy (DPN) and above-normal blood pressure in nonhypertensive adult patients with type 2 diabetes mellitus (T2DM). We also compared achievement of clinical targets for DPN and non-DPN with T2DM. METHODS A retrospective survey was administered to 3,810 patients with T2DM. Cases were grouped according to the Toronto Clinical Scoring System as follows: non-DPN, mild DPN, moderate DPN and severe DPN. A total of 1,835 patients (hypertensive, 1,247; nonhypertensive, 588) also underwent nerve conduction velocity testing, and then was divided into quartile groups. RESULTS Irrespective of hypertension, systolic blood pressure (SBP) and glycated hemoglobin levels in the DPN group were higher than those in the non-DPN group (p<0.001). In hypertensive patients, blood pressure goal achievement was lower in the DPN group compared with the non-DPN group (31.1% vs 40.5%, p<0.05). Compared with the nerve conduction velocity Q1 (<P25%) group, optimal SBP of the Q2 (P25% to P50%), Q3 (P50% to P75%) and Q4 (>P75%) groups decreased by 62.2%, 68.2% and 78.0%, respectively. In the nonhypertensive patients, detection of optimal SBP was lower in the DPN group than in the non-DPN group (p<0.05). After adjusting for age, sex and diabetes duration (model 2), a 3-point higher DPN score on the Toronto Clinical Scoring System was associated with an SBP level of 4.2 mmHg higher (95% confidence interval, 0.01 to 0.17; p<0.01) in nonhypertensive patients with diabetes. CONCLUSIONS DPN is associated with difficulty in hypertension management in T2DM. It is also associated with elevated systolic blood hypertension, even in nonhypertensive patients with diabetes. Elevated SBP in nonhypertensive T2DM may be also worthy of further attention.
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Affiliation(s)
- Lingning Huang
- Endocrinology Department, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Yongze Zhang
- Endocrinology Department, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Yunmin Wang
- Endocrinology Department, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Ximei Shen
- Endocrinology Department, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Sunjie Yan
- Endocrinology Department, First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China; Diabetes Research Institute of Fujian Province, Fuzhou, Fujian, China.
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Abstract
PURPOSE OF REVIEW The goal of this review is to explore clinical associations between peripheral neuropathy and diabetic bone disease and to discuss how nerve dysfunction may contribute to dysregulation of bone metabolism, reduced bone quality, and fracture risk. RECENT FINDINGS Diabetic neuropathy can decrease peripheral sensation (sensory neuropathy), impair motor coordination (motor neuropathy), and increase postural hypotension (autonomic neuropathy). Together, this can impair overall balance and increase the risk for falls and fractures. In addition, the peripheral nervous system has the potential to regulate bone metabolism directly through the action of local neurotransmitters on bone cells and indirectly through neuroregulation of the skeletal vascular supply. This review critically evaluates existing evidence for diabetic peripheral neuropathy as a risk factor or direct actor on bone disease. In addition, we address therapeutic and experimental considerations to guide patient care and future research evaluating the emerging relationship between diabetic neuropathy and bone health.
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Affiliation(s)
- Alec T Beeve
- Department of Medicine, Division of Bone and Mineral Diseases, Washington University, 660 South Euclid Avenue, Saint Louis, MO, 63110, USA
- Department of Biomedical Engineering, Washington University, 6201 Forsyth Blvd, Saint Louis, MO, 63105, USA
| | - Jennifer M Brazill
- Department of Medicine, Division of Bone and Mineral Diseases, Washington University, 660 South Euclid Avenue, Saint Louis, MO, 63110, USA
| | - Erica L Scheller
- Department of Medicine, Division of Bone and Mineral Diseases, Washington University, 660 South Euclid Avenue, Saint Louis, MO, 63110, USA.
- Department of Biomedical Engineering, Washington University, 6201 Forsyth Blvd, Saint Louis, MO, 63105, USA.
- Department of Cell Biology and Physiology, Washington University, 660 South Euclid Avenue, Saint Louis, MO, 63110, USA.
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Abstract
PURPOSE OF REVIEW Diabetic peripheral neuropathy eventually affects nearly 50% of adults with diabetes during their lifetime and is associated with substantial morbidity including pain, foot ulcers, and lower limb amputation. This review summarizes the epidemiology, risk factors, and management of diabetic peripheral neuropathy and related lower extremity complications. RECENT FINDINGS The prevalence of peripheral neuropathy is estimated to be between 6 and 51% among adults with diabetes depending on age, duration of diabetes, glucose control, and type 1 versus type 2 diabetes. The clinical manifestations are variable, ranging from asymptomatic to painful neuropathic symptoms. Because of the risk of foot ulcer (25%) and amputation associated with diabetic peripheral neuropathy, aggressive screening and treatment in the form of glycemic control, regular foot exams, and pain management are important. There is an emerging focus on lifestyle interventions including weight loss and physical activity as well. The American Diabetes Association has issued multiple recommendation statements pertaining to diabetic neuropathies and the care of the diabetic foot. Given that approximately 50% of adults with diabetes will be affected by peripheral neuropathy in their lifetime, more diligent screening and management are important to reduce the complications and health care burden associated with the disease.
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Affiliation(s)
- Caitlin W Hicks
- Division of Vascular Surgery and Endovascular Therapy, Johns Hopkins University School of Medicine, 600 N Wolfe Street, Halsted 668, Baltimore, MD, 21287, USA
| | - Elizabeth Selvin
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 2024 E. Monument St., Suite 2-600, Baltimore, MD, 21287, USA.
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Pai YW, Lin CH, Lin SY, Lee IT, Chang MH. Reconfirmation of newly discovered risk factors of diabetic peripheral neuropathy in patients with type 2 diabetes: A case-control study. PLoS One 2019; 14:e0220175. [PMID: 31356602 PMCID: PMC6662998 DOI: 10.1371/journal.pone.0220175] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 07/10/2019] [Indexed: 12/21/2022] Open
Abstract
AIMS The aim of the present study was to investigate the major determinants of diabetic peripheral neuropathy (DPN) in patients with type 2 diabetes (T2D), considering the traditional and newly discovered risk factors, including hypoglycaemia and glycemic variability. METHODS This retrospective case-control study was conducted in a tertiary care hospital in Taiwan. A total of 2,837 patients with T2D were recruited, medical history and biochemical data were obtained, and patients were screened for DPN using the Michigan Neuropathy Screening Instrument (MNSI). DPN was defined as an MNSI exam score > 2. A stepwise selection of variables was used based on the Akaike Information Criterion (AIC) and the Schwarz Criterion (SC). Multivariate analysis was performed using the identified variables obtained from the stepwise selection. RESULTS Among the recruited patients, 604 (21.3%) were found to have DPN. 275 patients with DPN were selected because of longer follow up period before enrollment and complete data of glycemic parameters, and paired with 351 patients with T2D without DPN and matched for age, gender, and diabetes duration. The results of the stepwise selection showed that the presence of moderately and severely increased albuminuria yielded the lowest values of AIC and SC, which indicate the best predictive performance. Multivariate analysis demonstrated that moderately and severely increased albuminuria and greater long-term glycemic variability significantly increased the risk of DPN, with a corresponding odds ratio of 1.85 and 1.61 (95%confidence intervals of 1.25-2.73and1.02-2.55, respectively), after adjusted for hypoglycaemia and types of diabetes treatment. CONCLUSIONS Albuminuria is a potent predictor of DPN, and greater long-term glycemic variabilityis clearly associated with DPN in adults with T2D. These findings indicate that, in addition to achieve average blood glucose control, screening for albuminuria and reducing blood glucose fluctuations might be useful for improving diabetic microvascular complications.
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Affiliation(s)
- Yen-Wei Pai
- Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Ching-Heng Lin
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Shih-Yi Lin
- Center for Geriatrics and Gerontology, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - I-Te Lee
- Department of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Medicine, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Ming-Hong Chang
- Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Neurology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
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Peraj E, Subhani MR, Jeong J, Vaknin OS, Twarog JP. Characteristics among adult patients with diabetes who received a foot exam by a health care provider in the past year: An analysis of NHANES 2011-2016. Prim Care Diabetes 2019; 13:242-246. [PMID: 30578167 DOI: 10.1016/j.pcd.2018.11.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 10/24/2018] [Accepted: 11/15/2018] [Indexed: 10/27/2022]
Abstract
INTRODUCTION According to the American Diabetes Association (ADA), patients with diabetes should receive annual foot exams from a HCP to identify and reduce risk factors for ulcers and other complications. Little is known regarding factors that may increase or decrease the likelihood of having an annual foot examination by a health care provider (HCP). METHODS Cross-sectional analysis of 1830 patients age 20 years and older with a previous diagnosis of diabetes. Patients selected for inclusion in NHANES receive an in-home interview and then undergo a comprehensive physical at a CDC mobile examination center. The adjusted odds ratios for a patient having received a foot exam from a HCP in the past year were conducted using appropriate weighting variables assessed with logistic regression analysis. RESULTS Both Hispanic Americans with diabetes [aOR 0.62 (0.47, 0.82)] and Asian Americans with diabetes [aOR 0.65 (0.44, 0.97)] were significantly less likely to have had a foot exam by a HCP in the last year, when compared to non-Hispanic White Americans. CONCLUSIONS Hispanic Americans and Asian Americans with diabetes were significantly less likely to have had a foot exam by a HCP in the last year.
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Affiliation(s)
- Elizabet Peraj
- New York College of Podiatric Medicine, New York, NY, USA
| | | | - Janet Jeong
- New York College of Podiatric Medicine, New York, NY, USA
| | - Oren S Vaknin
- New York College of Podiatric Medicine, New York, NY, USA
| | - John P Twarog
- New York College of Podiatric Medicine, New York, NY, USA.
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O'Brien PD, Hinder LM, Rumora AE, Hayes JM, Dauch JR, Backus C, Mendelson FE, Feldman EL. Juvenile murine models of prediabetes and type 2 diabetes develop neuropathy. Dis Model Mech 2018; 11:dmm.037374. [PMID: 30446513 PMCID: PMC6307897 DOI: 10.1242/dmm.037374] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 11/09/2018] [Indexed: 12/19/2022] Open
Abstract
Peripheral neuropathy (neuropathy) is a common complication of obesity and type 2 diabetes in children and adolescents. To model this complication in mice, 5-week-old male C57BL/6J mice were fed a high-fat diet to induce diet-induced obesity (DIO), a model of prediabetes, and a cohort of these animals was injected with low-dose streptozotocin (STZ) at 12 weeks of age to induce hyperglycemia and type 2 diabetes. Neuropathy assessments at 16, 24 and 36 weeks demonstrated that DIO and DIO-STZ mice displayed decreased motor and sensory nerve conduction velocities as early as 16 weeks, hypoalgesia by 24 weeks and cutaneous nerve fiber loss by 36 weeks, relative to control mice fed a standard diet. Interestingly, neuropathy severity was similar in DIO and DIO-STZ mice at all time points despite significantly higher fasting glucose levels in the DIO-STZ mice. These mouse models provide critical tools to better understand the underlying pathogenesis of prediabetic and diabetic neuropathy from youth to adulthood, and support the idea that hyperglycemia alone does not drive early neuropathy. This article has an associated First Person interview with the first author of the paper. Summary: The mouse models described in this paper provide critical tools to better understand the underlying pathogenesis of prediabetic and diabetic neuropathy from youth to adulthood.
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Affiliation(s)
- Phillipe D O'Brien
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109-2200, USA
| | - Lucy M Hinder
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109-2200, USA
| | - Amy E Rumora
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109-2200, USA
| | - John M Hayes
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109-2200, USA
| | - Jacqueline R Dauch
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109-2200, USA
| | - Carey Backus
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109-2200, USA
| | - Faye E Mendelson
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109-2200, USA
| | - Eva L Feldman
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109-2200, USA
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Arslanian S, Bacha F, Grey M, Marcus MD, White NH, Zeitler P. Evaluation and Management of Youth-Onset Type 2 Diabetes: A Position Statement by the American Diabetes Association. Diabetes Care 2018; 41:2648-2668. [PMID: 30425094 PMCID: PMC7732108 DOI: 10.2337/dci18-0052] [Citation(s) in RCA: 196] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Silva Arslanian
- Division of Pediatric Endocrinology, Metabolism, and Diabetes Mellitus, University of Pittsburgh, Pittsburgh, PA
- Center for Pediatric Research in Obesity and Metabolism, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - Fida Bacha
- Children's Nutrition Research Center, Texas Children's Hospital and Baylor College of Medicine, Houston, TX
| | - Margaret Grey
- Yale School of Nursing, New Haven, CT
- Yale School of Medicine, New Haven, CT
| | | | - Neil H White
- Washington University School of Medicine in St. Louis, St. Louis, MO
| | - Philip Zeitler
- Children's Hospital Colorado and University of Colorado School of Medicine, Aurora, CO
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40
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Gencpinar P, Çelmeli G, Duman Ö, Haspolat Ş, Uysal H. Tibial nerve axonal excitability in type 1 diabetes mellitus. Muscle Nerve 2018; 59:76-81. [DOI: 10.1002/mus.26303] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 07/07/2018] [Accepted: 07/10/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Pinar Gencpinar
- Department of Pediatric Neurology; Izmir Katip Celebi University, Tepecik Training and Research Hospital; Izmir Turkey
| | - Gamze Çelmeli
- Department of Pediatric Endocrinology; Akdeniz University Hospital; Antalya Turkey
| | - Özgür Duman
- Department of Pediatric Neurology; Akdeniz University Hospital; Antalya Turkey
| | - Şenay Haspolat
- Department of Pediatric Neurology; Akdeniz University Hospital; Antalya Turkey
| | - Hilmi Uysal
- Department of Neurology; Akdeniz University Hospital; 07070 Konyaaltı Antalya Turkey
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41
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Restivo DA, Casabona A, Frittitta L, Belfiore A, Le Moli R, Gullo D, Vigneri R. Efficacy of Botulinum Toxin A for Treating Cramps in Diabetic Neuropathy. Ann Neurol 2018; 84:674-682. [PMID: 30225985 DOI: 10.1002/ana.25340] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 08/08/2018] [Accepted: 09/09/2018] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Muscle cramps occur in >50% of diabetic patients and reduce the quality of life. No effective treatment is available. We evaluated the clinical effectiveness of botulinum toxin A (BTX-A) injections for treating cramps in diabetic patients with neuropathy. METHODS This single-center, double-blind, placebo-controlled perspective study investigated the efficacy and safety of BTX-A intramuscular injection for treating calf or foot cramps refractory to common pharmacological drugs. Fifty diabetic patients with peripheral neuropathy and cramps were randomly assigned to 2 matched groups. BTX-A (100 or 30 units) or saline was injected on each side into the gastrocnemius or the small flexor foot muscles. Changes in pain intensity (primary outcome) and cramp frequency were evaluated over the course of 20 weeks after BTX-A administration. Cramp interference in daily life and the electrophysiological cramp threshold frequency were also measured. The treatment was repeated 5 months after first injection in 19 responders. RESULTS All outcome measures improved significantly after BTX-A compared with placebo. The changes with respect to baseline were already significant after 1 week and persisted up to week 14. Only 5 of 25 (20%) patients were nonresponders (<50% decrease of the primary outcome). The responses to a second BTX-A injection provided results similar to the first administration. Mild pain at the injection site (4/25 cases) was the only adverse event, and it disappeared within 2 to 3 days. INTERPRETATION Local BTX-A infiltration is an efficacious and safe procedure for obtaining a sustained amelioration of muscle cramps associated with diabetic neuropathy. Ann Neurol 2018;84:682-690.
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Affiliation(s)
- Domenico A Restivo
- Department of Medicine, Neurological Unit and Service of Clinical Neurophysiology, Garibaldi Hospital, Catania, Italy
| | - Antonino Casabona
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania, Catania, Italy
| | - Lucia Frittitta
- S. Signorelli Diabetes and Obesity Center, Garibaldi-Nesima Medical Center, Catania, Italy.,Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Antonino Belfiore
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Rosario Le Moli
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Damiano Gullo
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Riccardo Vigneri
- Endocrinology, Department of Clinical and Experimental Medicine, University of Catania, Garibaldi-Nesima Medical Center, Catania, Italy.,Institute of Bioimages and Biostructures, National Research Council, Catania, Italy
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42
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Donaghue KC, Marcovecchio ML, Wadwa RP, Chew EY, Wong TY, Calliari LE, Zabeen B, Salem MA, Craig ME. ISPAD Clinical Practice Consensus Guidelines 2018: Microvascular and macrovascular complications in children and adolescents. Pediatr Diabetes 2018; 19 Suppl 27:262-274. [PMID: 30079595 PMCID: PMC8559793 DOI: 10.1111/pedi.12742] [Citation(s) in RCA: 177] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 07/27/2018] [Indexed: 12/25/2022] Open
Affiliation(s)
- Kim C. Donaghue
- The Children’s Hospital at Westmead, Westmead, NSW, Australi a,Discipline of Child and Adolescent Health, University of Sydney, Camperdown, Australia
| | | | - R. P. Wadwa
- University of Colorado School of Medicine, Denver, Colorado
| | - Emily Y. Chew
- Division of Epidemiology and Clinical Applications, the National Eye Institute, National Institutes of Health, Bethesda, Maryland
| | - Tien Y. Wong
- Singapore Eye Research Institute, Singapore National Eye Center, Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
| | | | - Bedowra Zabeen
- Department of Paediatrics and Changing Diabetes in Children Program, Bangladesh Institute of Research and Rehabilitation in Diabetes, Endocrine and Metabolic Disorders, Dhaka, Bangladesh
| | - Mona A. Salem
- Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Maria E. Craig
- The Children’s Hospital at Westmead, Westmead, NSW, Australi a,Discipline of Child and Adolescent Health, University of Sydney, Camperdown, Australia,School of Women’s and Children’s Health, University of New South Wales, Sydney, Australia
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43
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Shah AS, El Ghormli L, Gidding SS, Bacha F, Nadeau KJ, Levitt Katz LE, Tryggestad JB, Leibel N, Hale DE, Urbina EM. Prevalence of arterial stiffness in adolescents with type 2 diabetes in the TODAY cohort: Relationships to glycemic control and other risk factors. J Diabetes Complications 2018; 32:740-745. [PMID: 29936086 PMCID: PMC6444355 DOI: 10.1016/j.jdiacomp.2018.05.013] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 05/15/2018] [Accepted: 05/18/2018] [Indexed: 01/23/2023]
Abstract
AIMS We aimed to determine the prevalence of arterial stiffness in young adults with youth-onset type 2 diabetes who previously participated in the TODAY clinical trial and whether arterial stiffness is influenced by their prior diabetes treatment assignment or glycemic control. METHODS We measured arterial stiffness by femoral, radial, and foot pulse wave velocity (PWV), augmentation index (AIx), and brachial distensibility (BrachD) in 453 TODAY participants (age 20.8 ± 2.5 years, diabetes duration 7.6 ± 1.5 years, 36.4% male, BMI 36.7 ± 8.2 kg/m2) at a mean of 7.6 years post-randomization. Increased arterial stiffness in TODAY youth was defined compared with data from lean controls. We assessed whether glycemic control over time or diabetes treatment in TODAY was associated with arterial stiffness. RESULTS Arterial stiffness was identified in up to 50% of TODAY participants. Prior diabetes treatment assignment was not associated with higher arterial stiffness. Glycemic control over time was associated with PWV radial and foot only. Age, race-ethnicity, sex, higher blood pressure and BMI were also associated with higher arterial stiffness. CONCLUSIONS Nearly half of TODAY youth have increased arterial stiffness. Targeting blood pressure and perhaps obesity and glycemic control may positively impact arterial health in adolescents with type 2 diabetes. TRIAL REGISTRATION ClinicalTrials.govNCT00081328.
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Affiliation(s)
- Amy S Shah
- Cincinnati Children's Hospital Medical Center & University of Cincinnati, Cincinnati, OH, USA
| | - Laure El Ghormli
- George Washington University Biostatistics Center, Rockville, MD, USA.
| | - Samuel S Gidding
- Nemours Cardiac Center, Alfred I. DuPont Hospital for Children, Wilmington, DE, USA
| | - Fida Bacha
- Texas Children's Hospital, Baylor College of Medicine, Houston, TX, USA
| | - Kristen J Nadeau
- University of Colorado Anschutz Medical Campus and Children's Hospital Colorado, Aurora, CO, USA
| | - Lorraine E Levitt Katz
- Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | | | - Natasha Leibel
- Naomi Berrie Diabetes Center, Columbia University Medical Center, New York, NY, USA
| | - Daniel E Hale
- University of Texas Health Science Center, Medical School, San Antonio, TX, USA
| | - Elaine M Urbina
- Cincinnati Children's Hospital Medical Center & University of Cincinnati, Cincinnati, OH, USA
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Vibha SP, Kulkarni MM, Kirthinath Ballala AB, Kamath A, Maiya GA. Community based study to assess the prevalence of diabetic foot syndrome and associated risk factors among people with diabetes mellitus. BMC Endocr Disord 2018; 18:43. [PMID: 29940924 PMCID: PMC6020220 DOI: 10.1186/s12902-018-0270-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/12/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Diabetic foot is one of the most significant and devastating complication of diabetes. The objective of this study was to assess the prevalence of diabetic foot syndrome (DFS) and the associated risk factors among people with diabetes mellitus. METHODS A community based cross-sectional study was carried out among 620 subjects with diabetes mellitus (DM) in rural areas of Udupi district. The Michigan Neuropathy Screening Instrument was used to identify peripheral neuropathy. Ankle brachial index was used to identify peripheral arterial disease (PAD). Subjects with diabetic foot syndrome were classified according to the International Working Group on Diabetic Foot (IWGDF) classification system. RESULTS The overall prevalence of DFS was 51.8%. Among them 31.3, 11.9 and 8.5% belonged to category 1, 2 and 3 respectively. Multivariate logistic regression analysis showed advancing age, low socio-economic status, sedentary physical activity and longer duration of DM were significant independent correlates of DFS. CONCLUSION The overall prevalence of DFS was high among the study population; hence the screening for foot complications should start at the time of diagnosis of diabetes integrated with sustainable patient education at primary care level by training of health care providers at primary care level.
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Affiliation(s)
- S. P. Vibha
- Department of Community Medicine, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka 576104 India
| | - Muralidhar M. Kulkarni
- Department of Community Medicine, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka 576104 India
| | - A. B. Kirthinath Ballala
- Department of Community Medicine, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, Karnataka 576104 India
| | - Asha Kamath
- Department of Statistics, Prasanna School of Public Health, Manipal Academy of Higher Education, Manipal, Karnataka 576104 India
| | - G. Arun Maiya
- Department of Physiotherapy, School of Allied Health Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104 India
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Role of neopterin as a biochemical marker for peripheral neuropathy in pediatric patients with type 1 diabetes: Relation to nerve conduction studies. Int Immunopharmacol 2018; 59:68-75. [PMID: 29627577 DOI: 10.1016/j.intimp.2018.03.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 03/17/2018] [Accepted: 03/27/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND Neopterin, a marker of inflammation and cellular immune response, is elevated in conditions of T-cell or macrophages activation. Diabetic peripheral neuropathy (DPN) is associated with inflammatory/immune processes and therefore, we hypothesized that neopterin could be used as a marker of neuropathy in type 1 diabetes mellitus (T1DM). AIM To measure neopterin levels in children and adolescents with T1DM and assess its possible relation to DPN and nerve conduction studies (NCS). METHODS Sixty patients aged ≤18 years and >5 years disease duration were subjected to neurological assessment by neuropathy disability score (NDS) and NCS for median, ulnar, posterior tibial and common peroneal nerves. Mean fasting blood glucose, lipid profile, HbA1c, high sensitivity C-reactive protein (hs-CRP) and serum neopterin levels were assessed. Patients were compared with 30 age- and sex-matched healthy controls. RESULTS The frequency of DPN according to NDS was 40 (66.7%) patients out of 60 while NCS confirmed that only 30 of those 40 patients had this complication (i.e. 50% out of the total studied patients). Neopterin levels were significantly higher in patients with DPN than those without (median [IQR], 53.5 [35-60] nmol/L versus 17 [13-32] nmol/L) and healthy controls (5.0 [3.2-7.0] nmol/L) (p < 0.001). Significant positive correlations were found between neopterin levels and HbA1c (r = 0.560, p = 0.005), serum creatinine (r = 0.376, p = 0.003), total cholesterol (r = 0.405, p = 0.026) and hs-CRP (r = 0.425, p = 0.012) among patients with DPN. Neopterin levels were positively correlated to motor latency of tibial and common peroneal nerves as well as motor and sensory latencies of median and ulnar nerves. Logistic regression analysis revealed that neopterin was a significant independent variable related to DPN (Odds ratio, 2.976). Neopterin cutoff value 32 nmol/L could differentiate patients with and without DPN with 100% sensitivity and 96.7% specificity. CONCLUSIONS Neopterin could be used as an early reliable serum biomarker for DPN in pediatric patients with T1DM.
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Panagiotopoulos C, Hadjiyannakis S, Henderson M. Type 2 Diabetes in Children and Adolescents. Can J Diabetes 2018; 42 Suppl 1:S247-S254. [DOI: 10.1016/j.jcjd.2017.10.037] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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47
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Disoteo O, Grimaldi F, Papini E, Attanasio R, Tonutti L, Pellegrini MA, Guglielmi R, Borretta G. State-of-the-Art Review on Diabetes Care in Italy. Ann Glob Health 2018; 81:803-13. [PMID: 27108147 DOI: 10.1016/j.aogh.2015.12.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Diabetes is a significant health problem in Italy as in other western countries. OBJECTIVE To review available epidemiological data and the legislative framework for diabetes care in Italy. METHODS Review of Italian Health Ministry's official documents and analysis of epidemiological data published by Italian Scientific Societies. FINDINGS Diabetes affects more than 5% of the Italian population. The expenditures for the care of people with diabetes are about €10 billion ($US 11 billion) a year and are increasing over time. Italian law regulates the clinical care of people with diabetes and creates a clinical framework involving medical organizations, prevention programs, personnel training, and legal protection. The National Health Program is structured in essential levels of assistance that can be defined differently in the various regions. In 2013, the "National Diabetes Plan," defining priority areas for intervention, was approved and represents the main regulatory tool for the management of diabetes within the Italian National Health Service. In Italy, the status of diabetes care is being monitored using the data from 2 permanent observatories: the ARNO Observatory Diabetes and the Associazione Medici Diabetologi Annals. CONCLUSIONS A comprehensive approach to diabetes is offered to all citizens, consonant with the constitutionally guaranteed right to health. However, this important effort translates into a relevant financial burden for the National Health Service.
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Affiliation(s)
- Olga Disoteo
- Diabetology Department, Niguarda Hospital, Milan, Italy
| | - Franco Grimaldi
- Division of Endocrinology, Metabolic Diseases and Clinical Nutrition, University Hospital Santa Maria della Misericordia, Udine, Italy.
| | - Enrico Papini
- Department of Endocrinology and Metabolism, Regina Apostolorum Hospital, Albano Laziale (Rome), Italy
| | | | - Laura Tonutti
- Division of Endocrinology, Metabolic Diseases and Clinical Nutrition, University Hospital Santa Maria della Misericordia, Udine, Italy
| | - Maria Antonietta Pellegrini
- Division of Endocrinology, Metabolic Diseases and Clinical Nutrition, University Hospital Santa Maria della Misericordia, Udine, Italy
| | - Rinaldo Guglielmi
- Department of Endocrinology and Metabolism, Regina Apostolorum Hospital, Albano Laziale (Rome), Italy
| | - Giorgio Borretta
- Division of Endocrinology and Metabolism, Santa Croce and Carle Hospital, Cuneo, Italy
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48
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Lascar N, Brown J, Pattison H, Barnett AH, Bailey CJ, Bellary S. Type 2 diabetes in adolescents and young adults. Lancet Diabetes Endocrinol 2018; 6:69-80. [PMID: 28847479 DOI: 10.1016/s2213-8587(17)30186-9] [Citation(s) in RCA: 427] [Impact Index Per Article: 71.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2016] [Revised: 05/12/2017] [Accepted: 05/17/2017] [Indexed: 12/11/2022]
Abstract
The prevalence of type 2 diabetes in adolescents and young adults is dramatically increasing. Similar to older-onset type 2 diabetes, the major predisposing risk factors are obesity, family history, and sedentary lifestyle. Onset of diabetes at a younger age (defined here as up to age 40 years) is associated with longer disease exposure and increased risk for chronic complications. Young-onset type 2 diabetes also affects more individuals of working age, accentuating the adverse societal effects of the disease. Furthermore, evidence is accumulating that young-onset type 2 diabetes has a more aggressive disease phenotype, leading to premature development of complications, with adverse effects on quality of life and unfavourable effects on long-term outcomes, raising the possibility of a future public health catastrophe. In this Review, we describe the epidemiology and existing knowledge regarding pathophysiology, risk factors, complications, and management of type 2 diabetes in adolescents and young adults.
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Affiliation(s)
- Nadia Lascar
- School of Life and Health Sciences, Aston University, Birmingham, UK
| | - James Brown
- Aston Research Centre for Healthy Ageing (ARCHA), Aston University, Birmingham, UK
| | - Helen Pattison
- School of Life and Health Sciences, Aston University, Birmingham, UK
| | - Anthony H Barnett
- Diabetes and Endocrine Centre, Heart of England NHS Foundation Trust, Birmingham, UK; University of Birmingham, Birmingham, UK
| | - Clifford J Bailey
- School of Life and Health Sciences, Aston University, Birmingham, UK
| | - Srikanth Bellary
- Aston Research Centre for Healthy Ageing (ARCHA), Aston University, Birmingham, UK.
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49
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Jaiswal M, Divers J, Dabelea D, Isom S, Bell RA, Martin CL, Pettitt DJ, Saydah S, Pihoker C, Standiford DA, Dolan LM, Marcovina S, Linder B, Liese AD, Pop-Busui R, Feldman EL. Prevalence of and Risk Factors for Diabetic Peripheral Neuropathy in Youth With Type 1 and Type 2 Diabetes: SEARCH for Diabetes in Youth Study. Diabetes Care 2017; 40:1226-1232. [PMID: 28674076 PMCID: PMC5566278 DOI: 10.2337/dc17-0179] [Citation(s) in RCA: 158] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 06/02/2017] [Indexed: 02/03/2023]
Abstract
OBJECTIVE We assessed the prevalence of and risk factors for diabetic peripheral neuropathy (DPN) in youth with type 1 diabetes (T1D) and type 2 diabetes (T2D) enrolled in the SEARCH for Diabetes in Youth (SEARCH) study. RESEARCH DESIGN AND METHODS The Michigan Neuropathy Screening Instrument (MNSI) was used to assess DPN in 1,734 youth with T1D (mean ± SD age 18 ± 4 years, T1D duration 7.2 ± 1.2 years, and HbA1c 9.1 ± 1.9%) and 258 youth with T2D (age 22 ± 3.5 years, T2D duration 7.9 ± 2 years, and HbA1c 9.4 ± 2.3%) who were enrolled in the SEARCH study and had ≥5 years of diabetes duration. DPN was defined as an MNSI exam score of >2. Glycemic control over time was estimated as area under the curve for HbA1c. RESULTS The prevalence of DPN was 7% in youth with T1D and 22% in youth with T2D. Risk factors for DPN in youth with T1D were older age, longer diabetes duration, smoking, increased diastolic blood pressure, obesity, increased LDL cholesterol and triglycerides, and lower HDL cholesterol (HDL-c). In youth with T2D, risk factors were older age, male sex, longer diabetes duration, smoking, and lower HDL-c. Glycemic control over time was worse among those with DPN compared with those without for youth with T1D (odds ratio 1.53 [95% CI 1.24; 1.88]) but not for youth with T2D (1.05 [0.7; 1.56]). CONCLUSIONS The high rates of DPN among youth with diabetes are a cause of concern and suggest a need for early screening and better risk factor management. Interventions in youth that address poor glycemic control and dyslipidemia may prevent or delay debilitating neuropathic complications.
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Affiliation(s)
- Mamta Jaiswal
- Department of Neurology, University of Michigan, Ann Arbor, MI
| | - Jasmin Divers
- Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC
| | - Dana Dabelea
- Department of Epidemiology, Colorado School of Public Health, Aurora, CO
| | - Scott Isom
- Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC
| | - Ronny A Bell
- Department of Epidemiology and Prevention, Wake Forest School of Medicine, Winston-Salem, NC
| | - Catherine L Martin
- Division of Metabolism, Endocrinology and Diabetes, University of Michigan, Ann Arbor, MI
| | | | - Sharon Saydah
- Division of Diabetes Translation, Centers for Disease Control and Prevention, Atlanta, GA
| | | | - Debra A Standiford
- Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Lawrence M Dolan
- Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Santica Marcovina
- Northwest Lipid Metabolism and Diabetes Research Laboratories, Department of Medicine, University of Washington, Seattle, WA
| | - Barbara Linder
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD
| | - Angela D Liese
- Department of Epidemiology and Biostatistics and Center for Research in Nutrition and Health Disparities, Arnold School of Public Health, University of South Carolina, Columbia, SC
| | - Rodica Pop-Busui
- Division of Metabolism, Endocrinology and Diabetes, University of Michigan, Ann Arbor, MI
| | - Eva L Feldman
- Department of Neurology, University of Michigan, Ann Arbor, MI
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50
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Ma CZH, Lee WCC. A wearable vibrotactile biofeedback system improves balance control of healthy young adults following perturbations from quiet stance. Hum Mov Sci 2017; 55:54-60. [PMID: 28763702 DOI: 10.1016/j.humov.2017.07.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 07/19/2017] [Accepted: 07/19/2017] [Indexed: 11/30/2022]
Abstract
Maintaining postural equilibrium requires fast reactions and constant adjustments of the center of mass (CoM) position to prevent falls, especially when there is a sudden perturbation of the support surface. During this study, a newly developed wearable feedback system provided immediate vibrotactile clues to users based on plantar force measurement, in an attempt to reduce reaction time and CoM displacement in response to a perturbation of the floor. Ten healthy young adults participated in this study. They stood on a support surface, which suddenly moved in one of four horizontal directions (forward, backward, left and right), with the biofeedback system turned on or off. The testing sequence of the four perturbation directions and the two system conditions (turned on or off) was randomized. The resulting reaction time and CoM displacement were analysed. Results showed that the vibrotactile feedback system significantly improved balance control during translational perturbations. The positive results of this preliminary study highlight the potential of a plantar force measurement based biofeedback system in improving balance under perturbations of the support surface. Future system optimizations could facilitate its application in fall prevention in real life conditions, such as standing in buses or trains that suddenly decelerate or accelerate.
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Affiliation(s)
- Christina Zong-Hao Ma
- Interdisciplinary Division of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong; Rehabilitation Engineering Research Institute, China Rehabilitation Research Center, Beijing, China.
| | - Winson Chiu-Chun Lee
- Interdisciplinary Division of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong; School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, New South Wales, Australia.
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