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Näher AF, Krumpal I, Antão EM, Ong E, Rojo M, Kaggwa F, Balzer F, Celi LA, Braune K, Wieler LH, Agha-Mir-Salim L. Measuring fairness preferences is important for artificial intelligence in health care. Lancet Digit Health 2024; 6:e302-e304. [PMID: 38670737 DOI: 10.1016/s2589-7500(24)00059-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 02/15/2024] [Accepted: 03/08/2024] [Indexed: 04/28/2024]
Affiliation(s)
- Anatol-Fiete Näher
- Digital Global Public Health, Hasso Plattner Institute for Digital Engineering, University of Potsdam, Potsdam 14482, Germany; Institute of Medical Informatics, Charité-Universitätsmedizin Berlin, Berlin, Germany.
| | - Ivar Krumpal
- Faculty of Social Science and Philosophy, University of Leipzig, Leipzig, Germany
| | - Esther-Maria Antão
- Digital Global Public Health, Hasso Plattner Institute for Digital Engineering, University of Potsdam, Potsdam 14482, Germany
| | - Erika Ong
- College of Medicine, University of the Philippines, Manila, Philippines
| | - Marina Rojo
- Department of Public Health, School of Medicine, University of Buenos Aires, Buenos Aires, Argentina
| | - Fred Kaggwa
- Department of Computer Science, Faculty of Computing and Informatics, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Felix Balzer
- Institute of Medical Informatics, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Leo Anthony Celi
- Laboratory for Computational Physiology, Massachusetts Institute of Technology, Cambridge, MA, USA; Division of Pulmonary, Critical Care and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA; Department of Biostatistics, Harvard T H Chan School of Public Health, Boston, MA, USA
| | - Katarina Braune
- Institute of Medical Informatics, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Lothar H Wieler
- Digital Global Public Health, Hasso Plattner Institute for Digital Engineering, University of Potsdam, Potsdam 14482, Germany
| | - Louis Agha-Mir-Salim
- Institute of Medical Informatics, Charité-Universitätsmedizin Berlin, Berlin, Germany
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2
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Souris KJ, Pfiester E, Thieffry A, Chen Y, Braune K, Kapil Bhargava M, Samra R, Gómez P, O'Donnell S. Out-of-pocket expenses and rationing of insulin and diabetes supplies: findings from the 2022 T1International cross-sectional web-based survey. Front Clin Diabetes Healthc 2024; 5:1293882. [PMID: 38711747 PMCID: PMC11070566 DOI: 10.3389/fcdhc.2024.1293882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 03/18/2024] [Indexed: 05/08/2024]
Abstract
Introduction Continue investigating Out-of-Pocket Expenses (OoPEs) and rationing of insulin and diabetes supplies, including impacts of the COVID-19 pandemic, for people with type 1 diabetes (T1D). Methods A cross-sectional web-based survey was conducted in English and advertised by T1International's global network of patient advocates from May through September 2022. Participants provided monthly OoPEs and rationing frequency for insulin and supplies, impacts of the COVID-19 pandemic, and open-ended comments. Results In the seven most represented countries, mean monthly OoPEs were highest in the United States, followed by Panama, Canada, and India, and were much lower in the United Kingdom, Germany, and Sweden. OoPEs were highest for participants with partial healthcare coverage, followed by those with no healthcare coverage. The COVID-19 pandemic negatively impacted access and/or affordability of insulin and/or supplies for over half of participants. Globally, 19.5% reported insulin rationing and 36.6% reported rationing glucose testing supplies. Qualitative analysis of open-ended responses identified themes such as 'mental health impacts' and 'limits to life choices.' Discussion High OoPEs lead to rationing of insulin and supplies for many people with T1D globally. Healthcare systems improvements and price reductions of insulin and supplies are needed to ensure adequate, equitable access for all.
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Affiliation(s)
| | | | | | - Yanbing Chen
- Applied Aviation Sciences Department, Embry-Riddle Aeronautical University, Daytona, FL, United States
| | - Katarina Braune
- Institute of Medical Informatics, Charité – Universitätsmedizin Berlin, Berlin, Germany
| | | | | | | | - Shane O'Donnell
- School of Sociology, University College Dublin, Dublin, Ireland
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Braune K, Hussain S, Lal R, Leibrand S, Lewis DM, O'Donnell S. Breaking a feedback loop: A reassessment of an investigator initiated OS-AID study. Diabetes Obes Metab 2024; 26:400-402. [PMID: 37795622 DOI: 10.1111/dom.15301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/07/2023] [Accepted: 09/18/2023] [Indexed: 10/06/2023]
Affiliation(s)
- Katarina Braune
- Institute of Medical Informatics, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Sufyan Hussain
- Department of Diabetes and Endocrinology, Guy's & St Thomas' NHS Foundation Trust, London, UK
- Department of Diabetes, School of Cardiovascular, Metabolic Medicine and Sciences, King's College London, London, UK
| | - Rayhan Lal
- Department of Medicine & Pediatrics, Divisions of Endocrinology, Stanford University, Stanford, California, USA
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Schipp J, Hendrieckx C, Braune K, Knoll C, O'Donnell S, Ballhausen H, Cleal B, Wäldchen M, Lewis DM, Gajewska KA, Skinner TC, Speight J. Psychosocial Outcomes Among Users and Nonusers of Open-Source Automated Insulin Delivery Systems: Multinational Survey of Adults With Type 1 Diabetes. J Med Internet Res 2023; 25:e44002. [PMID: 38096018 PMCID: PMC10755653 DOI: 10.2196/44002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 06/10/2023] [Accepted: 10/23/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Emerging research suggests that open-source automated insulin delivery (AID) may reduce diabetes burden and improve sleep quality and quality of life (QoL). However, the evidence is mostly qualitative or uses unvalidated, study-specific, single items. Validated person-reported outcome measures (PROMs) have demonstrated the benefits of other diabetes technologies. The relative lack of research investigating open-source AID using PROMs has been considered a missed opportunity. OBJECTIVE This study aimed to examine the psychosocial outcomes of adults with type 1 diabetes using and not using open-source AID systems using a comprehensive set of validated PROMs in a real-world, multinational, cross-sectional study. METHODS Adults with type 1 diabetes completed 8 validated measures of general emotional well-being (5-item World Health Organization Well-Being Index), sleep quality (Pittsburgh Sleep Quality Index), diabetes-specific QoL (modified DAWN Impact of Diabetes Profile), diabetes-specific positive well-being (4-item subscale of the 28-item Well-Being Questionnaire), diabetes treatment satisfaction (Diabetes Treatment Satisfaction Questionnaire), diabetes distress (20-item Problem Areas in Diabetes scale), fear of hypoglycemia (short form of the Hypoglycemia Fear Survey II), and a measure of the impact of COVID-19 on QoL. Independent groups 2-tailed t tests and Mann-Whitney U tests compared PROM scores between adults with type 1 diabetes using and not using open-source AID. An analysis of covariance was used to adjust for potentially confounding variables, including all sociodemographic and clinical characteristics that differed by use of open-source AID. RESULTS In total, 592 participants were eligible (attempting at least 1 questionnaire), including 451 using open-source AID (mean age 43, SD 13 years; n=189, 41.9% women) and 141 nonusers (mean age 40, SD 13 years; n=90, 63.8% women). Adults using open-source AID reported significantly better general emotional well-being and subjective sleep quality, as well as better diabetes-specific QoL, positive well-being, and treatment satisfaction. They also reported significantly less diabetes distress, fear of hypoglycemia, and perceived less impact of the COVID-19 pandemic on their QoL. All were medium-to-large effects (Cohen d=0.5-1.5). The differences between groups remained significant after adjusting for sociodemographic and clinical characteristics. CONCLUSIONS Adults with type 1 diabetes using open-source AID report significantly better psychosocial outcomes than those not using these systems, after adjusting for sociodemographic and clinical characteristics. Using validated, quantitative measures, this real-world study corroborates the beneficial psychosocial outcomes described previously in qualitative studies or using unvalidated study-specific items.
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Affiliation(s)
- Jasmine Schipp
- The Australian Centre for Behavioural Research in Diabetes, Carlton, Australia
- Section for Health Services Research, Institute of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Christel Hendrieckx
- The Australian Centre for Behavioural Research in Diabetes, Carlton, Australia
- School of Psychology, Deakin University, Burwood, Australia
| | - Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Institute of Medical Informatics, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- Dedoc Labs GmbH, Berlin, Germany
| | - Christine Knoll
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
| | - Shane O'Donnell
- School of Sociology & School of Medicine, University College Dublin, Dublin, Ireland
| | - Hanne Ballhausen
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- Dedoc Labs GmbH, Berlin, Germany
| | - Bryan Cleal
- Diabetes Management Research, Steno Diabetes Center Copenhagen, Copenhagen, Denmark
| | - Mandy Wäldchen
- School of Sociology & School of Medicine, University College Dublin, Dublin, Ireland
| | | | - Katarzyna A Gajewska
- Diabetes Ireland, Dublin, Ireland
- School of Public Health, University College Cork, Cork, Ireland
| | - Timothy C Skinner
- The Australian Centre for Behavioural Research in Diabetes, Carlton, Australia
| | - Jane Speight
- The Australian Centre for Behavioural Research in Diabetes, Carlton, Australia
- School of Psychology, Deakin University, Burwood, Australia
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Mewes D, Wäldchen M, Knoll C, Raile K, Braune K. Variability of Glycemic Outcomes and Insulin Requirements Throughout the Menstrual Cycle: A Qualitative Study on Women With Type 1 Diabetes Using an Open-Source Automated Insulin Delivery System. J Diabetes Sci Technol 2023; 17:1304-1316. [PMID: 35254146 PMCID: PMC10563528 DOI: 10.1177/19322968221080199] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND The impact of hormone dynamics throughout the menstrual cycle on insulin sensitivity represents a currently under-researched area. Despite therapeutic and technological advances, self-managing insulin therapy remains challenging for women with type 1 diabetes (T1D). METHODS To investigate perceived changes in glycemic levels and insulin requirements throughout the menstrual cycle and different phases of life, we performed semi-structured interviews with 12 women with T1D who are using personalized open-source automated insulin delivery (AID) systems. Transcripts were analyzed using thematic analysis with an inductive, hypothesis-generating approach. RESULTS Participants reported significant differences between the follicular phase, ovulation, and luteal phase of the menstrual cycle and also during puberty, pregnancy, and menopause. All participants reported increased comfort and safety since using AID, but were still required to manually adjust their therapy according to their cycle. A lack of information and awareness and limited guidance by health care providers were frequently mentioned. Although individual adjustment strategies exist, achieving optimum outcomes was still perceived as challenging. CONCLUSIONS This study highlights that scientific evidence, therapeutic options, and professional guidance on female health-related aspects in T1D are insufficient to date. Further efforts are required to better inform people with T1D, as well as for health care professionals, researchers, medical device manufacturers, and regulatory bodies to better address female health needs in therapeutic advances.
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Affiliation(s)
- Darius Mewes
- Department of Pediatric Endocrinology and Diabetes, Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Mandy Wäldchen
- School of Sociology, University College Dublin, Dublin, Ireland
| | - Christine Knoll
- Department of Pediatric Endocrinology and Diabetes, Charité—Universitätsmedizin Berlin, Berlin, Germany
- School of Sociology, University College Dublin, Dublin, Ireland
- Berlin Institute of Health (BIH), Berlin, Germany
| | - Klemens Raile
- Department of Pediatric Endocrinology and Diabetes, Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Katarina Braune
- Department of Pediatric Endocrinology and Diabetes, Charité—Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- Institute of Medical Informatics, Charité—Universitätsmedizin Berlin, Berlin, Germany
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Braune K, Hussain S, Lal R. The First Regulatory Clearance of an Open-Source Automated Insulin Delivery Algorithm. J Diabetes Sci Technol 2023; 17:1139-1141. [PMID: 37051947 PMCID: PMC10563523 DOI: 10.1177/19322968231164166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
Open-source Automated Insulin Dosing (OS-AID) algorithms are made publicly accessible so that every facet of their operation can be understood. Currently, commercial AID algorithms are kept proprietary trade secrets, despite the role they take in making life and death decisions for people living with type 1 diabetes. Loop was the second OS-AID algorithm, developed initially by Nate Racklyeft and Pete Schwamb. In 2018, the nonprofit organization Tidepool (Palo Alto, CA) announced the launch of the "Tidepool Loop" initiative with the aim to generate real-world evidence and obtain regulatory clearance. By the end of 2020, the U.S. Food and Drug Administration received Tidepool's application for an interoperable automated glycemic controller based on Loop. After 2 years, the FDA approved the Tidepool Loop on January 23, 2023.
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Affiliation(s)
- Katarina Braune
- Institute of Medical Informatics, Berlin Institute of Health at Charité, Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Sufyan Hussain
- Department of Diabetes and Endocrinology Guy’s and St Thomas’ NHS Foundation Trust, King’s College London, London, UK
- Department of Diabetes, School of Cardiovascular, Metabolic Medicine and Sciences, King’s College London, London, UK
| | - Rayhan Lal
- Department of Medicine, Divisions of Endocrinology, Stanford University, Stanford, CA, USA
- Department of Pediatrics, Divisions of Endocrinology, Stanford University, Stanford, CA, USA
- Stanford Diabetes Research Center, Stanford University, Stanford, CA, USA
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O'Donnell S, Cooper D, Chen Y, Ballhausen H, Lewis DM, Froment T, Anna Gajewska K, Tappe A, Skinner T, Cleal B, Braune K. Barriers to uptake of Open-Source automated insulin delivery Systems: Analysis of socioeconomic factors and perceived challenges of adults with type 1 diabetes from the OPEN survey. Diabetes Res Clin Pract 2023; 197:110235. [PMID: 36581143 DOI: 10.1016/j.diabres.2022.110235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/13/2022] [Accepted: 12/21/2022] [Indexed: 12/27/2022]
Abstract
AIMS Social and technical trends are empowering people with diabetes to co-create or self-develop medical devices and treatments to address their unmet healthcare needs, for example, open-source automated insulin delivery (AID) systems. This study aims to investigate the perceived barriers towards adoption and maintaining of open-source AID systems. METHODS This is a multinational study based on a cross-sectional, retrospective web-based survey of non-users of open-source AID. Participants (n = 129) with type 1 diabetes from 31 countries were recruited online to elicit their perceived barriers towards building and maintaining of an open-source AID system. RESULTS Sourcing the necessary components, lack of confidence in one's own technology knowledge and skills, perceived time and energy required to build a system, and fear of losing healthcare provider support appear to be major barriers towards the uptake of open-source AID. CONCLUSIONS This study identified a range of structural and individual-level barriers to uptake of open-source AID. Some of these individual-level barriers may be overcome over time through the peer support of the DIY online community as well as greater acceptance of open-source innovation among healthcare professionals. The findings have important implications for understanding the possible wider diffusion of open-source diabetes technology solutions in the future.
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Affiliation(s)
- Shane O'Donnell
- University College Dublin, School of Sociology, Belfield, Ireland; University of Copenhagen, Department of Psychology, Copenhagen, Denmark.
| | - Drew Cooper
- Charité - Universitätsmedizin Berlin, Institute of Medical Informatics, Berlin, Germany; Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany; Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Berlin, Germany.
| | - Yanbing Chen
- University College Dublin, Michael Smurfit Graduate Business School, Dublin, Ireland.
| | - Hanne Ballhausen
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany; Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Berlin, Germany; #dedoc° Diabetes Online Community, Dedoc Labs GmbH, Berlin, Germany.
| | | | - Timothée Froment
- University College Dublin, School of Sociology, Belfield, Ireland.
| | | | | | - Timothy Skinner
- Australian Centre for Behavioural Research in Diabetes, Melbourne, Australia; Department of Psychology, University of Copenhagen, Copenhagen Denmark; La Trobe University, Bendigo, Australia.
| | - Bryan Cleal
- Steno Diabetes Center Copenhagen, Herlev, Denmark.
| | - Katarina Braune
- Charité - Universitätsmedizin Berlin, Institute of Medical Informatics, Berlin, Germany; Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany; Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Berlin, Germany.
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Knoll C, Schipp J, O'Donnell S, Wäldchen M, Ballhausen H, Cleal B, Gajewska KA, Raile K, Skinner T, Braune K. Quality of life and psychological well-being among children and adolescents with diabetes and their caregivers using open-source automated insulin delivery systems: Findings from a multinational survey. Diabetes Res Clin Pract 2023; 196:110153. [PMID: 36423699 DOI: 10.1016/j.diabres.2022.110153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/01/2022] [Accepted: 11/07/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND Open-source automated insulin delivery (AID) systems have shown to be safe and effective in children and adolescents with type 1 diabetes (T1D) in real-world studies. However, there is a lack of evidence on the effect on their caregivers' quality-of-life (QoL) and well-being. The aim of this study was to assess the QoL of caregivers and children and adolescents using open-source AID systems using validated measures. METHODS In this cross-sectional online survey we examined the caregiver-reported QoL and well-being of users and non-users. Validated questionnaires assessed general well-being (WHO-5), diabetes-specific QoL (PAID, PedsQL) and sleep quality (PSQI). RESULTS 168 caregivers from 27 countries completed at least one questionnaire, including 119 caregivers of children using open-source AID and 49 not using them. After inclusion of covariates, all measures but the PAID and one subscale of the PedsQL showed significant between-group differences with AID users reporting higher general (WHO-5: p = 0.003), sleep-related (PSQI: p = 0.001) and diabetes-related QoL (PedsQL: p < 0.05). CONCLUSIONS The results show the potential impact of open-source AID on QoL and psychological well-being of caregivers and children and adolescents with T1D, and can therefore help to inform academia, regulators, and policymakers about the psychosocial health implications of open-source AID.
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Affiliation(s)
- Christine Knoll
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany; Berlin Institute of Health (BIH), Berlin, Germany.
| | - Jasmine Schipp
- Australian Centre for Behavioural Research in Diabetes, Melbourne, Australia; University of Copenhagen, Centre for Medical Science and Technology Studies, Department of Public Health Copenhagen, Denmark; La Trobe University, Bendigo, Australia.
| | - Shane O'Donnell
- University College Dublin, School of Sociology, Belfield, Ireland.
| | - Mandy Wäldchen
- University College Dublin, School of Sociology, Belfield, Ireland.
| | - Hanne Ballhausen
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany; Berlin Institute of Health (BIH), Berlin, Germany; #dedoc° Diabetes Online Community, Dedoc Labs GmbH, Berlin, Germany.
| | - Bryan Cleal
- Steno Diabetes Center Copenhagen, Diabetes Management Research, Herlev, Denmark.
| | - Katarzyna A Gajewska
- Diabetes Ireland, Dublin, Ireland; School of Public Health, University College Cork, Ireland.
| | - Klemens Raile
- Vivantes Klinikum Neukölln, Clinic for Pediatrics and Adolescent Medicine, Berlin, Germany.
| | - Timothy Skinner
- Australian Centre for Behavioural Research in Diabetes, Melbourne, Australia; La Trobe University, Bendigo, Australia.
| | - Katarina Braune
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany; Berlin Institute of Health (BIH), Berlin, Germany; #dedoc° Diabetes Online Community, Dedoc Labs GmbH, Berlin, Germany; Charité - Universitätsmedizin Berlin, Institute of Medical Informatics, Berlin, Germany.
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Eckert AJ, Linke S, Schwab K, von dem Berge T, Schönau E, Duran I, Dost A, Joisten C, Bartelt H, Braune K, Rosenbauer J, Holl RW. Changes in cardiovascular risk factors among children and young adults with type 1 diabetes during the COVID-19 pandemic compared to previous years-Results from the German DPV registry. J Diabetes 2023; 15:15-26. [PMID: 36621521 PMCID: PMC9870744 DOI: 10.1111/1753-0407.13340] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 11/16/2022] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND The diverse stages of the COVID-19 pandemic led to several social circumstances that influenced daily life and health behavior. PURPOSE To evaluate changes in cardiovascular risk factors and physical activity among children and young adults with type 1 diabetes (T1D) during the COVID-19 pandemic in Germany compared to previous years. METHODS A total of 32 785 individuals aged 6-21 years at baseline with T1D from the German diabetes patient follow-up (DPV) registry contributed data on 101 484 person-years between 2016 and 2021. The first treatment year of each individual within this period was considered as baseline. Based on trends from 2016 to 2019, we estimated differences in body mass index-SD score (BMI-SDS), blood pressure (BP-SDS), and lipid levels (non-high-density lipoprotein [non-HDL]) between observed and predicted estimates for the years 2020 and 2021 using linear regression analysis standardized for age, diabetes duration, sex, and migratory background. The proportion doing organized sports and smoking cigarettes was analyzed using multivariable logistic regression models. RESULTS BMI-SDS increased constantly from 2016 to 2021 without a significant increase above expected values for 2020/2021. Systolic BP-SDS (difference observed vs. expected with 95% confidence interval, 2020: 0.10 [0.07-0.14], 2021: 0.17 [0.14-0.20]) and non-HDL (2020: 2.7 [1.3-4.1] mg/dl, 2021: 4.1 [2.7-5.5] mg/dl) were significantly increased (all p < .001) in both pandemic years. The proportion of subjects participating in organized sports was reduced from over 70% in prepandemic years to 35%-65% in diverse stages/waves of the COVID-19 pandemic. The percentage smoking cigarettes did not change. CONCLUSIONS We describe an increase in BP and atherogenic lipid levels coinciding with a reduction in physical activity but no acceleration of the prepandemic increases in BMI-SDS among young people with T1D during the COVID-19 pandemic.
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Affiliation(s)
- Alexander J. Eckert
- Institute of Epidemiology and Medical Biometry, ZIBMTUniversity of UlmUlmGermany
- German Centre for Diabetes Research (DZD)NeuherbergGermany
| | - Sabine Linke
- Katholisches Kinderkrankenhaus WILHELMSTIFT gGmbHChildren's HospitalHamburgGermany
| | - Karl‐Otfried Schwab
- Faculty of Medicine, Centre for Pediatrics and Adolescent Medicine, Division of Pediatric Diabetology, Endocrinology and Lipidology, Medical CentreUniversity of FreiburgFreiburgGermany
| | - Thekla von dem Berge
- Diabetes Centre for Children and AdolescentsChildren's Hospital Auf der BultHannoverGermany
| | - Eckhard Schönau
- Faculty of Medicine and University Hospital, Department of PediatricsUniversity of CologneCologneGermany
| | - Ibrahim Duran
- Faculty of Medicine and University Hospital, Centre of Prevention and RehabilitationUni Reha, University of CologneCologneGermany
| | - Axel Dost
- Department of PediatricsUniversity Hospital JenaJenaGermany
| | - Christine Joisten
- Department for Physical Activity in Public Health, Institute of Movement and NeurosciencesGerman Sport University CologneCologneGermany
- Cologne Centre for Prevention in Childhood and Youth / Heart Centre CologneUniversity Hospital of CologneCologneGermany
| | - Heike Bartelt
- Department of Endocrinology and DiabetologyUniversity of Leipzig, Hospital for Children and AdolescentsLeipzigGermany
| | - Katarina Braune
- Institute of Medical InformaticsCharité – Universitätsmedizin BerlinBerlinGermany
- Department of Pediatric Endocrinology and DiabetesCharité ‐ Universitätsmedizin BerlinBerlinGermany
- Berlin Institute of Health at CharitéBerlinGermany
| | - Joachim Rosenbauer
- German Centre for Diabetes Research (DZD)NeuherbergGermany
- German Diabetes Center, Institute for Biometrics and EpidemiologyLeibniz Center for Diabetes Research at Heinrich Heine UniversityDüsseldorfGermany
| | - Reinhard W. Holl
- Institute of Epidemiology and Medical Biometry, ZIBMTUniversity of UlmUlmGermany
- German Centre for Diabetes Research (DZD)NeuherbergGermany
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Hussain S, Lal RA, Braune K. Open-source automated insulin delivery in type 1 diabetes-the evidence is out there. Lancet Diabetes Endocrinol 2022; 10:835-836. [PMID: 36244346 PMCID: PMC9943818 DOI: 10.1016/s2213-8587(22)00283-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 10/05/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Sufyan Hussain
- Department of Diabetes, School of Cardiovascular, Metabolic Medicine and Sciences, King's College London, London, UK; Institute of Diabetes, Endocrinology and Obesity, King's Health Partners, London, UK; Department of Diabetes and Endocrinology, Guy's & St Thomas' NHS Foundation Trust, London SE1 9RT, UK.
| | - Rayhan A Lal
- Stanford Diabetes Research Center, Stanford University School of Medicine, Stanford University, Stanford, CA, USA
| | - Katarina Braune
- Institute of Medical Informatics and Department of Pediatric Endocrinology and Diabetes, Charité-Universitätsmedizin Berlin, Berlin, Germany; Berlin Institute of Health at Charité, Berlin, Germany
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Huhndt A, Chen Y, O’Donnell S, Cooper D, Ballhausen H, Gajewska KA, Froment T, Wäldchen M, Lewis DM, Raile K, Skinner TC, Braune K. Barriers to Uptake of Open-Source Automated Insulin Delivery Systems: Analysis of Socioeconomic Factors and Perceived Challenges of Caregivers of Children and Adolescents With Type 1 Diabetes From the OPEN Survey. Front Clin Diabetes Healthc 2022; 3:876511. [PMID: 36992765 PMCID: PMC10012142 DOI: 10.3389/fcdhc.2022.876511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 05/04/2022] [Indexed: 01/15/2023]
Abstract
BackgroundAs a treatment option for people living with diabetes, automated insulin delivery (AID) systems are becoming increasingly popular. The #WeAreNotWaiting community plays a crucial role in the provision and distribution of open-source AID technology. However, while a large percentage of children were early adopters of open-source AID, there are regional differences in adoption, which has prompted an investigation into the barriers perceived by caregivers of children with diabetes to creating open-source systems.MethodsThis is a retrospective, cross-sectional and multinational study conducted with caregivers of children and adolescents with diabetes, distributed across the online #WeAreNotWaiting online peer-support groups. Participants—specifically caregivers of children not using AID—responded to a web-based questionnaire concerning their perceived barriers to building and maintaining an open-source AID system.Results56 caregivers of children with diabetes, who were not using open-source AID at the time of data collection responded to the questionnaire. Respondents indicated that their major perceived barriers to building an open-source AID system were their limited technical skills (50%), a lack of support by medical professionals (39%), and therefore the concern with not being able to maintain an AID system (43%). However, barriers relating to confidence in open-source technologies/unapproved products and fear of digital technology taking control of diabetes were not perceived as significant enough to prevent non-users from initiating the use of an open-source AID system.ConclusionsThe results of this study elucidate some of the perceived barriers to uptake of open-source AID experienced by caregivers of children with diabetes. Reducing these barriers may improve the uptake of open-source AID technology for children and adolescents with diabetes. With the continuous development and wider dissemination of educational resources and guidance—for both aspiring users and their healthcare professionals—the adoption of open-source AID systems could be improved.
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Affiliation(s)
- Antonia Huhndt
- Department of Paediatric Endocrinology and Diabetes, Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Yanbing Chen
- School of Public Health, Physiotherapy & Sports Science, University College Dublin, Belfield, Ireland
| | - Shane O’Donnell
- School of Sociology, University College Dublin, Belfield, Ireland
| | - Drew Cooper
- Department of Paediatric Endocrinology and Diabetes, Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Hanne Ballhausen
- Department of Paediatric Endocrinology and Diabetes, Charité—Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- #dedoc° Diabetes Online Community, Dedoc Labs GmbH, Berlin, Germany
| | - Katarzyna A. Gajewska
- #dedoc° Diabetes Online Community, Dedoc Labs GmbH, Berlin, Germany
- Population Health Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Timothée Froment
- #dedoc° Diabetes Online Community, Dedoc Labs GmbH, Berlin, Germany
| | - Mandy Wäldchen
- School of Sociology, University College Dublin, Belfield, Ireland
| | | | - Klemens Raile
- Department of Paediatric Endocrinology and Diabetes, Charité—Universitätsmedizin Berlin, Berlin, Germany
| | - Timothy C. Skinner
- Department of Psychology, University of Copenhagen, Copenhagen, Denmark
- Australian Centre for Behavioural Research in Diabetes, Melbourne, Australia
- La Trobe University, Bendigo, Australia
| | - Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité—Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- Institute of Medical Informatics, Charité—Universitätsmedizin Berlin, Berlin, Germany
- *Correspondence: Katarina Braune,
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Knoll C, Peacock S, Wäldchen M, Cooper D, Aulakh SK, Raile K, Hussain S, Braune K. Real-world evidence on clinical outcomes of people with type 1 diabetes using open-source and commercial automated insulin dosing systems: A systematic review. Diabet Med 2022; 39:e14741. [PMID: 34773301 DOI: 10.1111/dme.14741] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 10/17/2021] [Indexed: 12/12/2022]
Abstract
AIMS Several commercial and open-source automated insulin dosing (AID) systems have recently been developed and are now used by an increasing number of people with diabetes (PwD). This systematic review explored the current status of real-world evidence on the latest available AID systems in helping to understand their safety and effectiveness. METHODS A systematic review of real-world studies on the effect of commercial and open-source AID system use on clinical outcomes was conducted employing a devised protocol (PROSPERO ID 257354). RESULTS Of 441 initially identified studies, 21 published 2018-2021 were included: 12 for Medtronic 670G; one for Tandem Control-IQ; one for Diabeloop DBLG1; two for AndroidAPS; one for OpenAPS; one for Loop; three comparing various types of AID systems. These studies found that several types of AID systems improve Time-in-Range and haemoglobin A1c (HbA1c ) with minimal concerns around severe hypoglycaemia. These improvements were observed in open-source and commercially developed AID systems alike. CONCLUSIONS Commercially developed and open-source AID systems represent effective and safe treatment options for PwD of several age groups and genders. Alongside evidence from randomized clinical trials, real-world studies on AID systems and their effects on glycaemic outcomes are a helpful method for evaluating their safety and effectiveness.
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Affiliation(s)
- Christine Knoll
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- School of Sociology, University College Dublin, Belfield, Ireland
| | - Sofia Peacock
- Department of Diabetes and Endocrinology, Guy's & St Thomas' NHS Foundation Trust, London, UK
- Department of Diabetes, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Mandy Wäldchen
- School of Sociology, University College Dublin, Belfield, Ireland
| | - Drew Cooper
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
| | - Simran Kaur Aulakh
- Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London, UK
| | - Klemens Raile
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
| | - Sufyan Hussain
- Department of Diabetes and Endocrinology, Guy's & St Thomas' NHS Foundation Trust, London, UK
- Department of Diabetes, Faculty of Life Sciences and Medicine, King's College London, London, UK
- Institute of Diabetes, Endocrinology and Obesity, King's Health Partners, London, UK
| | - Katarina Braune
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin, Germany
- Charité - Universitätsmedizin Berlin, Institute of Medical Informatics, Berlin, Germany
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Braune K, Krug N, Knoll C, Ballhausen H, Thieffry A, Chen Y, O'Donnell S, Raile K, Cleal B. Emotional and Physical Health Impact in Children and Adolescents and their Caregivers Using Open-Source Automated Insulin Delivery: Qualitative Analysis of Lived Experiences. (Preprint). J Med Internet Res 2022; 24:e37120. [PMID: 35834298 PMCID: PMC9335170 DOI: 10.2196/37120] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/21/2022] [Accepted: 05/29/2022] [Indexed: 01/15/2023] Open
Abstract
Background Given the limitations in the access and license status of commercially developed automated insulin delivery (AID) systems, open-source AID systems are becoming increasingly popular among people with diabetes, including children and adolescents. Objective This study aimed to investigate the lived experiences and physical and emotional health implications of children and their caregivers following the initiation of open-source AID, their perceived challenges, and sources of support, which have not been explored in the existing literature. Methods Data were collected through 2 sets of open-ended questions from a web-based multinational survey of 60 families from 16 countries. The narratives were thematically analyzed, and a coding framework was identified through iterative alignment. Results A range of emotions and improvements in quality of life and physical health were reported, as open-source AID enabled families to shift their focus away from diabetes therapy. Caregivers were less worried about hypoglycemia at night and outside their family homes, leading to increased autonomy for the child. Simultaneously, the glycemic outcomes and sleep quality of both the children and caregivers improved. Nonetheless, the acquisition of suitable hardware and technical setup could be challenging. The #WeAreNotWaiting community was the primary source of practical and emotional support. Conclusions Our findings show the benefits and transformative impact of open-source AID and peer support on children with diabetes and their caregivers and families, where commercial AID systems are not available or suitable. Further efforts are required to improve the effectiveness and usability and facilitate access for children with diabetes, worldwide, to benefit from this innovative treatment. International Registered Report Identifier (IRRID) RR2-10.2196/15368
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Affiliation(s)
- Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- Institute of Medical Informatics, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Niklas Krug
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Christine Knoll
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- School of Sociology, University College Dublin, Dublin, Ireland
| | - Hanne Ballhausen
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- #dedoc° Diabetes Online Community, Berlin, Germany
| | - Axel Thieffry
- Jay Keasling Faculty, BioInnovation Institute, Center for Biosustainability, Technical University of Denmark, Copenhagen, Denmark
- Intomics A/S, Kongens Lyngby, Denmark
| | - Yanbing Chen
- School of Public Health, Physiotherapy & Sports Science, University College Dublin, Belfield, Ireland
| | - Shane O'Donnell
- School of Sociology, University College Dublin, Dublin, Ireland
| | - Klemens Raile
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Bryan Cleal
- Diabetes Management Research, Steno Diabetes Center Copenhagen, Herlev, Denmark
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Braune K, Lal RA, Petruželková L, Scheiner G, Winterdijk P, Schmidt S, Raimond L, Hood KK, Riddell MC, Skinner TC, Raile K, Hussain S. Open-source automated insulin delivery: international consensus statement and practical guidance for health-care professionals. Lancet Diabetes Endocrinol 2022; 10:58-74. [PMID: 34785000 PMCID: PMC8720075 DOI: 10.1016/s2213-8587(21)00267-9] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 01/15/2023]
Abstract
Open-source automated insulin delivery systems, commonly referred to as do-it-yourself automated insulin delivery systems, are examples of user-driven innovations that were co-created and supported by an online community who were directly affected by diabetes. Their uptake continues to increase globally, with current estimates suggesting several thousand active users worldwide. Real-world user-driven evidence is growing and provides insights into safety and effectiveness of these systems. The aim of this consensus statement is two-fold. Firstly, it provides a review of the current evidence, description of the technologies, and discusses the ethics and legal considerations for these systems from an international perspective. Secondly, it provides a much-needed international health-care consensus supporting the implementation of open-source systems in clinical settings, with detailed clinical guidance. This consensus also provides important recommendations for key stakeholders that are involved in diabetes technologies, including developers, regulators, and industry, and provides medico-legal and ethical support for patient-driven, open-source innovations.
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Affiliation(s)
- Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité-Universitätsmedizin Berlin, Berlin, Germany; Institute of Medical Informatics, Charité-Universitätsmedizin Berlin, Berlin, Germany; Berlin Institute of Health, Berlin, Germany
| | - Rayhan A Lal
- Stanford Diabetes Research Center, Stanford University School of Medicine, Stanford University, Stanford, CA, USA.
| | - Lenka Petruželková
- Department of Pediatrics, University Hospital Motol, Prague, Czech Republic
| | | | - Per Winterdijk
- Diabeter, Center for Pediatric and Adult Diabetes Care and Research, Rotterdam, Netherlands
| | | | | | - Korey K Hood
- Stanford Diabetes Research Center, Stanford University School of Medicine, Stanford University, Stanford, CA, USA
| | | | - Timothy C Skinner
- Department of Psychology, University of Copenhagen, Copenhagen, Denmark; La Trobe Rural Health School, La Trobe University, Bendigo, VIC, Australia
| | - Klemens Raile
- Department of Paediatric Endocrinology and Diabetes, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Sufyan Hussain
- Department of Diabetes and Endocrinology, Guy's and St Thomas' Hospital NHS Trust, London, UK; Department of Diabetes, King's College London, London, UK; Institute of Diabetes, Endocrinology and Obesity, King's Health Partners, London, UK.
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15
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Giani E, Dovc K, Dos Santos TJ, Chobot A, Braune K, Cardona‐Hernandez R, De Beaufort C, Scaramuzza AE. Telemedicine and COVID-19 pandemic: The perfect storm to mark a change in diabetes care. Results from a world-wide cross-sectional web-based survey. Pediatr Diabetes 2021; 22:1115-1119. [PMID: 34741569 PMCID: PMC8661953 DOI: 10.1111/pedi.13272] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/08/2021] [Accepted: 09/22/2021] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Telemedicine for routine care of people with diabetes (PwD) during the COVID-19 pandemic rapidly increased in many countries, helping to address the several barriers usually seen. OBJECTIVE This study aimed to describe healthcare professionals' (HCPs) experience on telemedicine use in diabetes care and investigate the changes and challenges associated with its implementation. METHODS A cross-sectional electronic survey was distributed through the global network of JENIOUS members of ISPAD. Respondents' professional and practice profiles, clinic sizes, their country of practice, and data regarding local telemedicine practices during COVID-19 pandemic were investigated. RESULTS Answers from 209 HCPs from 33 countries were analyzed. During the pandemic, the proportion of PwD receiving telemedicine visits increased from <10% (65.1% of responders) to >50% (66.5%). There was an increase in specific privacy requirements for remote visits (37.3% to 75.6%), data protection policies (42.6% to 74.2%) and reimbursement for remote care (from 41.1% to 76.6%). Overall, 83.3% HCPs reported to be satisfied with the use of telemedicine. Some concerns (17.5%) about the complexity and heterogeneity of the digital platforms to be managed in everyday practice remain, feeding the need for unifying and making interoperable the tools for remote care. Also, 45.5% of professionals reported to feel stressed by the need for extra-time for telemedicine consultations. CONCLUSIONS Telemedicine was rapidly and broadly adopted during the pandemic globally. Some issues related to its use were promptly addressed by local institutions. Challenges with the use of different platforms and for the need of extra-time still remain to be solved.
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Affiliation(s)
- Elisa Giani
- Department of Biomedical SciencesHumanitas UniversityMilanItaly
| | - Klemen Dovc
- Department of Pediatric Endocrinology, Diabetes and Metabolic DiseasesUMC ‐ University Children's Hospital, Ljubljana, Slovenia, and Faculty of Medicine, University of LjubljanaLjubljanaSlovenia
| | - Tiago Jeronimo Dos Santos
- Pediatric Unit, Vithas AlmeríaInstituto Hispalense de PediatríaAlmeríaSpain,Department of Public Health, and Epidemiology, School of MedicineUniversidad Autónoma de MadridMadridSpain
| | - Agata Chobot
- Department of Pediatrics, Institute of Medical SciencesUniversity of OpoleOpolePoland,Department of PediatricsUniversity Clinical HospitalOpolePoland
| | - Katarina Braune
- Department of Pediatric Endocrinology and DiabetesCharité – Universitätsmedizin BerlinBerlinGermany
| | | | | | - Andrea E. Scaramuzza
- Division of Paediatrics, Pediatric Diabetes, Endocrinology and NutritionASST CremonaCremonaItaly
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Staszak W, Chromik J, Braune K, Arnrich B. Impact of Custom Features of Do-it-yourself Artificial Pancreas Systems (DIYAPS) on Glycemic Outcomes of People with Type 1 Diabetes. Annu Int Conf IEEE Eng Med Biol Soc 2021; 2021:1472-1475. [PMID: 34891563 DOI: 10.1109/embc46164.2021.9629487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
One of the benefits of Do-it-yourself Artificial Pancreas Systems (DIYAPS) over commercially available systems is the high degree of customization possible through various features developed by the community. This paper investigates the impact of thirteen commonly used custom features on the glycemic outcomes of users with type 1 diabetes. Significant differences were observed in the group using the Automated Microbolus, Autotune (automatic), and the Superbolus feature. As many of the features aim to improve not only glycemic outcomes but also reduce the burden of managing diabetes on the user, future studies should investigate the impact of these features on the quality of life of their users.Clinical Relevance-This paper expands the existing knowledge on the DIYAPS for people with type 1 diabetes which have been gaining popularity among the patient population in recent years.
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Cooper D, Ubben T, Knoll C, Ballhausen H, O'Donnell S, Braune K, Lewis D. An Open-Source Web Portal for Managing Self-reported Data and Real-world Data Donation in Diabetes Research: Feasibility Study. (Preprint). JMIR Diabetes 2021; 7:e33213. [PMID: 35357312 PMCID: PMC9015748 DOI: 10.2196/33213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/22/2021] [Accepted: 01/13/2022] [Indexed: 01/15/2023] Open
Abstract
Background People with diabetes and their support networks have developed open-source automated insulin delivery systems to help manage their diabetes therapy, as well as to improve their quality of life and glycemic outcomes. Under the hashtag #WeAreNotWaiting, a wealth of knowledge and real-world data have been generated by users of these systems but have been left largely untapped by research; opportunities for such multimodal studies remain open. Objective We aimed to evaluate the feasibility of several aspects of open-source automated insulin delivery systems including challenges related to data management and security across multiple disparate web-based platforms and challenges related to implementing follow-up studies. Methods We developed a mixed methods study to collect questionnaire responses and anonymized diabetes data donated by participants—which included adults and children with diabetes and their partners or caregivers recruited through multiple diabetes online communities. We managed both front-end participant interactions and back-end data management with our web portal (called the Gateway). Participant questionnaire data from electronic data capture (REDCap) and personal device data aggregation (Open Humans) platforms were pseudonymously and securely linked and stored within a custom-built database that used both open-source and commercial software. Participants were later given the option to include their health care providers in the study to validate their questionnaire responses; the database architecture was designed specifically with this kind of extensibility in mind. Results Of 1052 visitors to the study landing page, 930 participated and completed at least one questionnaire. After the implementation of health care professional validation of self-reported clinical outcomes to the study, an additional 164 individuals visited the landing page, with 142 completing at least one questionnaire. Of the optional study elements, 7 participant–health care professional dyads participated in the survey, and 97 participants who completed the survey donated their anonymized medical device data. Conclusions The platform was accessible to participants while maintaining compliance with data regulations. The Gateway formalized a system of automated data matching between multiple data sets, which was a major benefit to researchers. Scalability of the platform was demonstrated with the later addition of self-reported data validation. This study demonstrated the feasibility of custom software solutions in addressing complex study designs. The Gateway portal code has been made available open-source and can be leveraged by other research groups.
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Affiliation(s)
- Drew Cooper
- Department of Pediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
| | | | - Christine Knoll
- Department of Pediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- School of Sociology, University College Dublin, Dublin, Ireland
| | - Hanne Ballhausen
- Department of Pediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- Dedoc Labs GmbH, Berlin, Germany
| | - Shane O'Donnell
- School of Sociology, University College Dublin, Dublin, Ireland
| | - Katarina Braune
- Department of Pediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
- Institute of Medical Informatics, Charité - Universitätsmedizin Berlin, Berlin, Germany
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von Sengbusch S, Frielitz FS, Braune K, Boss K, Raile K. Telemedizin in der Kinderdiabetologie. Diabetologe 2021. [PMCID: PMC8062110 DOI: 10.1007/s11428-021-00758-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Der aktuelle Stand telemedizinischer Anwendungen und deren zu erwartendes Potenzial werden aus der Perspektive der pädiatrischen Diabetologie beleuchtet. Kontinuierliche Glukosemesssysteme (CGM [„continuous glucose measurement“]) und Insulinpumpen lassen sich zunehmend auch über interoperable oder herstellerbasierte Datenplattformen auslesen und teilen und ermöglichen es den Diabetesteams, eine Beratung auf Basis dieser Daten auch ohne physischen Kontakt in die kontinuierliche Versorgung einzubauen. Videosprechstunden können dabei zunächst ein ergänzendes Angebot darstellen, unterliegen oft längeren Implementierungsprozessen und sind u. a. abhängig von datenschutzkonformer Videochatsoftware, koordinierten Arbeitsabläufen sowie technischem Support. Telemedizin kann derzeit schon bestehende Beratungsstrukturen in Kliniken und Praxen ergänzen und helfen, das Potenzial digital dokumentierter Daten aus CGM- und automatisierten Insulinabgabesystemen voll auszuschöpfen, wobei telemedizinische Anwendungen bisher kein direktes Einsparungspotenzial bezüglich Zeit und Aufwand des medizinischen Personals und damit der Personalkosten bieten.
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Affiliation(s)
- Simone von Sengbusch
- Klinik für Kinder- und Jugendmedizin, Pädiatrische Endokrinologie und -diabetologie, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Lübeck, Deutschland
| | - Fabian S. Frielitz
- Institut für Sozialmedizin und Epidemiologie, Universität zu Lübeck, Lübeck, Deutschland
| | - Katarina Braune
- Klinik für Pädiatrie m. S. Endokrinologie und Diabetologie, Campus Virchow Klinikum, Charité – Universitätsmedizin Berlin, Augustenburgerplatz 1, 13353 Berlin, Deutschland
| | - Karina Boss
- Klinik für Pädiatrie m. S. Endokrinologie und Diabetologie, Campus Virchow Klinikum, Charité – Universitätsmedizin Berlin, Augustenburgerplatz 1, 13353 Berlin, Deutschland
| | - Klemens Raile
- Klinik für Pädiatrie m. S. Endokrinologie und Diabetologie, Campus Virchow Klinikum, Charité – Universitätsmedizin Berlin, Augustenburgerplatz 1, 13353 Berlin, Deutschland
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Pfiester E, Braune K, Thieffry A, Ballhausen H, Gajewska KA, O'Donnell S. Costs and underuse of insulin and diabetes supplies: Findings from the 2020 T1International cross-sectional web-based survey. Diabetes Res Clin Pract 2021; 179:108996. [PMID: 34363862 DOI: 10.1016/j.diabres.2021.108996] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 07/23/2021] [Accepted: 08/02/2021] [Indexed: 11/27/2022]
Abstract
AIMS To investigate self-reported out-of-pocket expenses (OoPE) associated with insulin and diabetes supplies for people living with type 1 diabetes (T1D) worldwide. METHODS A web-based, cross-sectional survey was conducted from August to December 2020. The analysis included comparisons between responses from countries with no, partial, and full healthcare coverage. RESULTS 1,066 participants from 64 countries took part in the study. ~25% of respondents reported having underused insulin at least once within the last year due to perceived cost. A significant correlation was observed between OoPEs and reported household income for respondents with partial healthcare coverage. 63.2% of participants reported disruption of insulin supplies and 25.3% reported an increase of prices related to the COVID-19 pandemic. CONCLUSIONS This study confirms previous reports of ~25% of people in the United States with T1D using less insulin and/or fewer supplies at least once in the last year due to cost, a trend associated with the extent of healthcare coverage. Similar trends were observed in some middle/low income countries. Moreover, patients reported an increase in insulin prices and disruption of supplies during the COVID-19 pandemic. This study highlights the importance of self-reported OoPEs and its association with underuse/rationing of insulin.
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Affiliation(s)
| | - Katarina Braune
- T1International, Cheltenham, UK; Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany; Berlin Institute of Health, Berlin, Germany
| | - Axel Thieffry
- Center for Biosustainability, Technical University of Denmark, Copenhagen, Germany
| | - Hanne Ballhausen
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany; Berlin Institute of Health, Berlin, Germany; #dedoc° Diabetes Online Community, Dedoc Labs GmbH, Berlin, Germany
| | - Katarzyna Anna Gajewska
- School of Public Health, University College Cork, Cork, Ireland; Diabetes Ireland, Dublin, Ireland
| | - Shane O'Donnell
- School of Sociology, University College Dublin, Belfield, Ireland.
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Dramburg S, Braune K, Schröder L, Schneider W, Schunck KU, Stephan V. [Mobile applications (apps) for diagnosis and treatment control in pediatric and adolescent medicine]. Monatsschr Kinderheilkd 2021; 169:726-737. [PMID: 34248207 PMCID: PMC8261800 DOI: 10.1007/s00112-021-01233-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/02/2021] [Indexed: 12/02/2022]
Abstract
Die Digitalisierung hält in der Medizin in vielfältigster Form Einzug. Ob patientenzentriert, vernetzend, zur Unterstützung medizinischen Fachpersonals oder in der (klinischen) Forschung: Digitale Technologien sind aus dem medizinischen Alltag spätestens seit der durch das SARS-CoV-2 Virus ausgelösten Pandemie nicht mehr wegzudenken. Hierbei zählen u. a. mobile Smartphone-Anwendungen zu den häufigsten Entwicklungen. Doch die Vielzahl der erhältlichen Produkte und der Zeitmangel in der medizinischen Praxis machen eine zuverlässige Einschätzung der Qualität, Sicherheit und Funktionalität oft schwer. Der vorliegende Übersichtsbeitrag fasst aktuelle Entwicklungen „mobiler“ Technologien aus dem Bereich der Kinder- und Jugendmedizin zusammen und veranschaulicht erhältliche Anwendungen anhand konkreter Beispiele. Ziel ist es, die Leser:innen zu animieren, eigene Erfahrungen zu machen und ihren Blick für evtl. Risiken zu schärfen.
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Affiliation(s)
- Stephanie Dramburg
- Klinik für Pädiatrie mit Schwerpunkt Pneumologie, Immunologie und Intensivmedizin, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Deutschland
| | - Katarina Braune
- Klinik für Pädiatrie mit Schwerpunkt Endokrinologie und Diabetologie, Charité - Universitätsmedizin Berlin, Berlin, Deutschland
| | - Lisa Schröder
- Perinatalzentrum, Klinik für Kinder- und Jugendmedizin, Vivantes Klinikum im Friedrichshain, Berlin, Deutschland
| | - Welfhard Schneider
- Perinatalzentrum, Klinik für Kinder- und Jugendmedizin, Vivantes Klinikum im Friedrichshain, Berlin, Deutschland
| | - Karl-Ulrich Schunck
- Perinatalzentrum, Klinik für Kinder- und Jugendmedizin, Vivantes Klinikum im Friedrichshain, Berlin, Deutschland
| | - Volker Stephan
- Klinik für Kinder- und Jugendmedizin, Sana Klinikum Lichtenberg, Berlin, Deutschland
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21
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Braune K, Gajewska KA, Thieffry A, Lewis DM, Froment T, O'Donnell S, Speight J, Hendrieckx C, Schipp J, Skinner T, Langstrup H, Tappe A, Raile K, Cleal B. Why #WeAreNotWaiting-Motivations and Self-Reported Outcomes Among Users of Open-source Automated Insulin Delivery Systems: Multinational Survey. J Med Internet Res 2021; 23:e25409. [PMID: 34096874 PMCID: PMC8218212 DOI: 10.2196/25409] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/19/2020] [Accepted: 03/16/2021] [Indexed: 12/19/2022] Open
Abstract
Background Automated insulin delivery (AID) systems have been shown to be safe and effective in reducing hyperglycemia and hypoglycemia but are not universally available, accessible, or affordable. Therefore, user-driven open-source AID systems are becoming increasingly popular. Objective This study aims to investigate the motivations for which people with diabetes (types 1, 2, and other) or their caregivers decide to build and use a personalized open-source AID. Methods A cross-sectional web-based survey was conducted to assess personal motivations and associated self-reported clinical outcomes. Results Of 897 participants from 35 countries, 80.5% (722) were adults with diabetes and 19.5% (175) were caregivers of children with diabetes. Primary motivations to commence open-source AID included improving glycemic outcomes (476/509 adults, 93.5%, and 95/100 caregivers, 95%), reducing acute (443/508 adults, 87.2%, and 96/100 caregivers, 96%) and long-term (421/505 adults, 83.3%, and 91/100 caregivers, 91%) complication risk, interacting less frequently with diabetes technology (413/509 adults, 81.1%; 86/100 caregivers, 86%), improving their or child’s sleep quality (364/508 adults, 71.6%, and 80/100 caregivers, 80%), increasing their or child’s life expectancy (381/507 adults, 75.1%, and 84/100 caregivers, 84%), lack of commercially available AID systems (359/507 adults, 70.8%, and 79/99 caregivers, 80%), and unachieved therapy goals with available therapy options (348/509 adults, 68.4%, and 69/100 caregivers, 69%). Improving their own sleep quality was an almost universal motivator for caregivers (94/100, 94%). Significant improvements, independent of age and gender, were observed in self-reported glycated hemoglobin (HbA1c), 7.14% (SD 1.13%; 54.5 mmol/mol, SD 12.4) to 6.24% (SD 0.64%; 44.7 mmol/mol, SD 7.0; P<.001), and time in range (62.96%, SD 16.18%, to 80.34%, SD 9.41%; P<.001). Conclusions These results highlight the unmet needs of people with diabetes, provide new insights into the evolving phenomenon of open-source AID technology, and indicate improved clinical outcomes. This study may inform health care professionals and policy makers about the opportunities provided by open-source AID systems. International Registered Report Identifier (IRRID) RR2-10.2196/15368
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Affiliation(s)
- Katarina Braune
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany.,Berlin Institute of Health, Berlin, Germany
| | - Katarzyna Anna Gajewska
- #dedoc° Diabetes Online Community, Berlin, Germany.,Population Health Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Axel Thieffry
- Novo Nordisk Center for Biosustainability, Technical University of Denmark, Copenhagen, Denmark
| | | | | | - Shane O'Donnell
- School of Sociology, University College Dublin, Dublin, Ireland
| | - Jane Speight
- The Australian Centre for Behavioural Research in Diabetes, Melbourne, Australia.,School of Psychology, Faculty of Health, Deakin University, Geelong, Australia
| | - Christel Hendrieckx
- The Australian Centre for Behavioural Research in Diabetes, Melbourne, Australia.,School of Psychology, Faculty of Health, Deakin University, Geelong, Australia
| | - Jasmine Schipp
- The Australian Centre for Behavioural Research in Diabetes, Melbourne, Australia.,Department of Psychology, University of Copenhagen, Copenhagen, Denmark
| | - Timothy Skinner
- The Australian Centre for Behavioural Research in Diabetes, Melbourne, Australia.,Department of Psychology, University of Copenhagen, Copenhagen, Denmark
| | - Henriette Langstrup
- Department of Public Health, Section for Health Services Research, University of Copenhagen, Copenhagen, Denmark
| | | | - Klemens Raile
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
| | - Bryan Cleal
- Diabetes Management Research, Steno Diabetes Center Copenhagen, Copenhagen, Denmark
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22
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Nitschke E, Heinemann L, Cartner A, Krämer LA, Braune K. What Do Healthcare Professionals and People With Diabetes Know About Insulin Transport and Storage? A Multinational Survey. J Diabetes Sci Technol 2021; 15:719-722. [PMID: 33487057 PMCID: PMC8107448 DOI: 10.1177/1932296820985845] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Eduard Nitschke
- Charité — Universitätsmedizin Berlin,
Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
- Eduard Nitschke, Department of Paediatric
Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1,
Berlin, 13353, Germany.
| | | | - Alan Cartner
- School of Pharmacy, University of
Missouri-Kansas City, MO, USA
| | - Laura A. Krämer
- School of Pharmacy, University of
Missouri-Kansas City, MO, USA
| | - Katarina Braune
- Charité — Universitätsmedizin Berlin,
Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
- Berlin Institute of Health (BIH), Berlin,
Germany
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23
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Braune K, Boss K, Schmidt-Herzel J, Gajewska KA, Thieffry A, Schulze L, Posern B, Raile K. Shaping Workflows in Digital and Remote Diabetes Care During the COVID-19 Pandemic via Service Design: Prospective, Longitudinal, Open-label Feasibility Trial. JMIR Mhealth Uhealth 2021; 9:e24374. [PMID: 33571104 PMCID: PMC8023381 DOI: 10.2196/24374] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/28/2020] [Accepted: 12/08/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The COVID-19 pandemic poses new challenges to health care providers and the delivery of continuous care. Although many diabetes technologies, such as insulin pumps and continuous glucose monitors, have been established, the data from these devices are rarely assessed. Furthermore, telemedicine has not been sufficiently integrated into clinical workflows. OBJECTIVE We sought to remotely support children with type 1 diabetes and their caregivers, enhance the clinical outcomes and quality of life of children with diabetes, increase multiple stakeholders' engagement with digital care via a participatory approach, evaluate the feasibility of using an interoperable open-source platform in a university hospital setting, and analyze the success factors and barriers of transitioning from conventional care to digital care. METHODS Service design methods were used to adapt clinical workflows. Remote consultations were performed on a monthly and on-demand basis. Diabetes device data were uploaded from patients' homes to an open-source platform. Clinical and patient-reported outcomes were assessed before, during, and after the COVID-19 lockdown period in Germany. RESULTS A total of 28 children with type 1 diabetes and their caregivers enrolled in this study and completed 6 months of remote visits. Of these 28 participants, 16 (57%) also opted to attend at least one of their regular visits remotely. After 3 months of remote visits, participants' time in range (P=.001) and time in hyperglycemia (P=.004) significantly improved, and their time in hypoglycemia did not increase. These improvements were maintained during the COVID-19 lockdown period (ie, between months 3 and 6 of this study). Participants' psychosocial health improved after 6 months. CONCLUSIONS Remote consultations and commonly shared data access can improve the clinical outcomes and quality of life of children with type 1 diabetes, even during challenging circumstances. A service design approach helped with the delivery of comprehensive and holistic solutions that accounted for the needs of multiple stakeholders. Our findings can inform the future integration of digital tools into clinical care during and beyond the pandemic. TRIAL REGISTRATION German Clinical Trials Register DRKS00016170; https://tinyurl.com/skz4wdk5.
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Affiliation(s)
- Katarina Braune
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany.,Berlin Institute of Health, Berlin, Germany
| | - Karina Boss
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
| | - Jessica Schmidt-Herzel
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
| | | | - Axel Thieffry
- Novo Nordisk Center for Biosustainability, Technical University of Denmark, Copenhagen, Denmark
| | | | | | - Klemens Raile
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
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24
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Neumann U, Braune K, Whitaker MJ, Wiegand S, Krude H, Porter J, Digweed D, Voet B, Ross RJM, Blankenstein O. A Prospective Study of Children Aged 0-8 Years with CAH and Adrenal Insufficiency Treated with Hydrocortisone Granules. J Clin Endocrinol Metab 2021; 106:e1433-e1440. [PMID: 32888021 PMCID: PMC7947757 DOI: 10.1210/clinem/dgaa626] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 09/02/2020] [Indexed: 12/17/2022]
Abstract
CONTEXT Children with congenital adrenal hyperplasia (CAH) and adrenal insufficiency (AI) require daily hydrocortisone replacement with accurate dosing. OBJECTIVE Prospective study of efficacy and safety of hydrocortisone granules in children with AI and CAH monitored by 17-OHP (17-hydroxyprogesterone) saliva profiles. METHODS Seventeen children with CAH (9 male) and 1 with hypopituitarism (male), aged from birth to 6 years, had their hydrocortisone medication changed from pharmacy compounded capsules to hydrocortisone granules. Patients were followed prospectively for 2 years. In children with CAH, the therapy was adjusted by 17-OHP salivary profiles every 3 months. The following parameters were recorded: hydrocortisone dose, height, weight, pubertal status, adverse events, and incidence of adrenal crisis. RESULTS The study medication was given thrice daily, and the median duration of treatment (range) was 795 (1-872) days, with 150 follow-up visits. Hydrocortisone doses were changed on 40/150 visits, with 32 based on salivary measurements and 8 on serum 17-OHP levels. The median daily mg/m2 hydrocortisone dose (range) at study entry for the different age groups 2-8 years, 1 month to 2 years, <28 days was 11.9 (7.2-15.5), 9.9 (8.6-12.2), and 12.0 (11.1-29.5), respectively, and at end of the study was 10.2 (7.0-14.4), 9.8 (8.9-13.1), and 8.6 (8.2-13.7), respectively. There were no trends for accelerated or reduced growth. No adrenal crises were observed despite 193 treatment-emergent adverse events, which were mainly common childhood illnesses. INTERPRETATION This first prospective study of glucocorticoid treatment in children with AI and CAH demonstrates that accurate dosing and monitoring from birth results in hydrocortisone doses at the lower end of the recommended dose range and normal growth, without occurrence of adrenal crises.
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Affiliation(s)
- Uta Neumann
- Charité Universitaetsmedizin Berlin, Berlin, Germany
- Correspondence and Reprint Requests: Uta Neumann, Charité-Universitaetsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany. E-mail:
| | | | | | | | - Heiko Krude
- Charité Universitaetsmedizin Berlin, Berlin, Germany
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25
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Braune K, Rojas PD, Hofferbert J, Valera Sosa A, Lebedev A, Balzer F, Thun S, Lieber S, Kirchberger V, Poncette AS. Interdisciplinary Online Hackathons as an Approach to Combat the COVID-19 Pandemic: Case Study. J Med Internet Res 2021; 23:e25283. [PMID: 33497350 PMCID: PMC7872325 DOI: 10.2196/25283] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/02/2021] [Accepted: 01/16/2021] [Indexed: 12/24/2022] Open
Abstract
Background The COVID-19 outbreak has affected the lives of millions of people by causing a dramatic impact on many health care systems and the global economy. This devastating pandemic has brought together communities across the globe to work on this issue in an unprecedented manner. Objective This case study describes the steps and methods employed in the conduction of a remote online health hackathon centered on challenges posed by the COVID-19 pandemic. It aims to deliver a clear implementation road map for other organizations to follow. Methods This 4-day hackathon was conducted in April 2020, based on six COVID-19–related challenges defined by frontline clinicians and researchers from various disciplines. An online survey was structured to assess: (1) individual experience satisfaction, (2) level of interprofessional skills exchange, (3) maturity of the projects realized, and (4) overall quality of the event. At the end of the event, participants were invited to take part in an online survey with 17 (+5 optional) items, including multiple-choice and open-ended questions that assessed their experience regarding the remote nature of the event and their individual project, interprofessional skills exchange, and their confidence in working on a digital health project before and after the hackathon. Mentors, who guided the participants through the event, also provided feedback to the organizers through an online survey. Results A total of 48 participants and 52 mentors based in 8 different countries participated and developed 14 projects. A total of 75 mentorship video sessions were held. Participants reported increased confidence in starting a digital health venture or a research project after successfully participating in the hackathon, and stated that they were likely to continue working on their projects. Of the participants who provided feedback, 60% (n=18) would not have started their project without this particular hackathon and indicated that the hackathon encouraged and enabled them to progress faster, for example, by building interdisciplinary teams, gaining new insights and feedback provided by their mentors, and creating a functional prototype. Conclusions This study provides insights into how online hackathons can contribute to solving the challenges and effects of a pandemic in several regions of the world. The online format fosters team diversity, increases cross-regional collaboration, and can be executed much faster and at lower costs compared to in-person events. Results on preparation, organization, and evaluation of this online hackathon are useful for other institutions and initiatives that are willing to introduce similar event formats in the fight against COVID-19.
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Affiliation(s)
- Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Hacking Health Berlin, Berlin, Germany.,Berlin Institute of Health, Berlin, Germany
| | | | | | - Alvaro Valera Sosa
- Hacking Health Berlin, Berlin, Germany.,CityLAB Berlin, Building Health Lab, Berlin, Germany.,Department of Design and Typologies, Technische Universität Berlin, Berlin, Germany
| | | | - Felix Balzer
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Anesthesiology and Intensive Care Medicine, Berlin, Germany.,Einstein Center Digital Future, Berlin, Germany
| | | | - Sascha Lieber
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Anesthesiology and Intensive Care Medicine, Berlin, Germany.,Executive Board, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Valerie Kirchberger
- Executive Board, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Akira-Sebastian Poncette
- Hacking Health Berlin, Berlin, Germany.,Berlin Institute of Health, Berlin, Germany.,Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Anesthesiology and Intensive Care Medicine, Berlin, Germany.,Einstein Center Digital Future, Berlin, Germany
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26
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Abstract
Insulin, as a peptide hormone drug, is susceptible to changes in stability when exposed to environmental factors under storage. Proper storage according to the manufacturer's recommendations is important to maintain its potency and enable precise dosing for people with diabetes (PwD). While it is reasonable to assume that transport conditions and temperature are well controlled during the supply chain, little is known about insulin storage after dispensing and insulin potency at the moment of administration. Insulin is exposed to various environmental factors when carried by PwD and storage recommendations are often not met when it is stored in household refrigerators. It is difficult to assess changes in insulin potency in clinical practice, and there is a gap in the current scientific literature on insulin stability. Package leaflet recommendations only give limited information on the impact of improper storage conditions on insulin stability and guidelines by health organizations are inconsistent. Given the importance of precise dosing in diabetes care, there is a need for more transparency on insulin stability, awareness for proper storage among health care professionals and PwD as well as clear guidelines and practical storage recommendations from manufacturers and health organizations.
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Affiliation(s)
| | - Katarina Braune
- Department of Pediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Germany
| | - Alan Carter
- School of Pharmacy, University of Missouri-Kansas City, MO, USA
| | | | - Laura A. Krämer
- MedAngel BV, Nijmegen, The Netherlands
- Laura A, Krämer, MSc, MedAngel BV, Transistorweg 5, c/o: Rockstart, 6534 AT Nijmegen, The Netherlands.
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27
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Poncette AS, Glauert DL, Mosch L, Braune K, Balzer F, Back DA. Correction: Undergraduate Medical Competencies in Digital Health and Curricular Module Development: Mixed Methods Study. J Med Internet Res 2020; 22:e25738. [PMID: 33284785 PMCID: PMC7752524 DOI: 10.2196/25738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 11/29/2022] Open
Affiliation(s)
- Akira-Sebastian Poncette
- Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Einstein Center Digital Future, Berlin, Germany
| | - Daniel Leon Glauert
- Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Lina Mosch
- Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Felix Balzer
- Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Einstein Center Digital Future, Berlin, Germany
| | - David Alexander Back
- Department of Traumatology and Orthopaedics, Septic and Reconstructive Surgery, Bundeswehr Hospital Berlin, Berlin, Germany.,Dieter Scheffner Center for Medical Education and Educational Research, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
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28
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Braune K, Wäldchen M, Raile K, Hahn S, Ubben T, Römer S, Hoeber D, Reibel NJ, Launspach M, Blankenstein O, Bührer C. Open-Source Technology for Real-Time Continuous Glucose Monitoring in the Neonatal Intensive Care Unit: Case Study in a Neonate With Transient Congenital Hyperinsulinism. J Med Internet Res 2020; 22:e21770. [PMID: 33275114 PMCID: PMC7748959 DOI: 10.2196/21770] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 09/15/2020] [Accepted: 10/26/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Use of real-time continuous glucose monitoring (rtCGM) systems has been shown to be a low-pain, safe, and effective method of preventing hypoglycemia and hyperglycemia in people with diabetes of various age groups. Evidence on rtCGM use in infants and in patients with conditions other than diabetes remains limited. OBJECTIVE This case study describes the off-label use of rtCGM and the use of an open-source app for glucose monitoring in a newborn with prolonged hypoglycemia secondary to transient congenital hyperinsulinism during the perinatal period. METHODS The Dexcom G6 rtCGM system (Dexcom, Inc) was introduced at 39 hours of age. Capillary blood glucose checks were performed regularly. In order to benefit from customizable alert settings and detect hypoglycemic episodes, the open-source rtCGM app xDrip+ was introduced at 9 days of age. RESULTS Time in range (45-180 mg/dL) for interstitial glucose remained consistently above 90%, whereas time in hypoglycemia (<45 mg/dL) decreased. Mean glucose was maintained above 70 mg/dL at 72 hours of life and thereafter. Daily sensor glucose profiles showed cyclic fluctuations that were less pronounced over time. CONCLUSIONS While off-label use of medication is both common practice and a necessity in newborn infants, there are few examples of off-label uses of medical devices, rtCGM being a notable exception. Real-time information allowed us to better understand glycemic patterns and to improve the quality of glycemic control accordingly. Severe hypoglycemia was prevented, and measurement of serum levels of insulin and further lab diagnostics were performed much faster, while the patient's individual burden caused by invasive procedures was reduced. Greater customizability of threshold and alert settings would be beneficial for user groups with glycemic instability other than people with diabetes, and for hospitalized newborn infants in particular. Further research in the field of personal and off-label rtCGM use, efficacy studies evaluating the accuracy of low glucose readings, and studies on the differences between algorithms in translating raw sensor data, as well as customization of commercially available rtCGM systems, is needed.
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Affiliation(s)
- Katarina Braune
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
| | - Mandy Wäldchen
- School of Sociology, University College Dublin, Belfield, Ireland
| | - Klemens Raile
- Charité - Universitätsmedizin Berlin, Department of Paediatric Endocrinology and Diabetes, Berlin, Germany
| | - Sigrid Hahn
- Charité - Universitätsmedizin Berlin, Department of Neonatology, Berlin, Germany
| | - Tebbe Ubben
- #dedoc° Diabetes Online Community, Dedoc Labs GmbH, Berlin, Germany
| | - Susanne Römer
- Charité - Universitätsmedizin Berlin, Department of Neonatology, Berlin, Germany
| | - Daniela Hoeber
- Charité - Universitätsmedizin Berlin, Department of Paediatric Gastroenterology, Nephrology and Metabolic Diseases, Berlin, Germany
| | - Nora Johanna Reibel
- Charité - Universitätsmedizin Berlin, Department of Neonatology, Berlin, Germany
| | - Michael Launspach
- Berlin Institute of Health, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Department of Neonatology, Berlin, Germany
| | - Oliver Blankenstein
- Charité - Universitätsmedizin Berlin, Institute for Experimental Paediatric Endocrinology, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Newborn Screening Laboratory, Berlin, Germany
| | - Christoph Bührer
- Charité - Universitätsmedizin Berlin, Department of Neonatology, Berlin, Germany
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29
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Braune K, May A, Thurm U. Safe and Successful Completion of a Half Marathon by an Adult With Type 1 Diabetes Using a Personalized Open Source Artificial Pancreas System. J Diabetes Sci Technol 2020; 14:1137-1138. [PMID: 31709805 PMCID: PMC7645146 DOI: 10.1177/1932296819884922] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Germany
- Katarina Braune, MD, Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, Berlin 13353, Germany.
| | - Andreas May
- International Diabetic Athletes Association, Berlin, Germany
| | - Ulrike Thurm
- International Diabetic Athletes Association, Berlin, Germany
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30
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Poncette AS, Glauert DL, Mosch L, Braune K, Balzer F, Back DA. Undergraduate Medical Competencies in Digital Health and Curricular Module Development: Mixed Methods Study. J Med Internet Res 2020; 22:e22161. [PMID: 33118935 PMCID: PMC7661229 DOI: 10.2196/22161] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/05/2020] [Accepted: 08/06/2020] [Indexed: 01/07/2023] Open
Abstract
Background Owing to an increase in digital technologies in health care, recently leveraged by the COVID-19 pandemic, physicians are required to use these technologies appropriately and to be familiar with their implications on patient care, the health system, and society. Therefore, medical students should be confronted with digital health during their medical education. However, corresponding teaching formats and concepts are still largely lacking in the medical curricula. Objective This study aims to introduce digital health as a curricular module at a German medical school and to identify undergraduate medical competencies in digital health and their suitable teaching methods. Methods We developed a 3-week curricular module on digital health for third-year medical students at a large German medical school, taking place for the first time in January 2020. Semistructured interviews with 5 digital health experts were recorded, transcribed, and analyzed using an abductive approach. We obtained feedback from the participating students and lecturers of the module through a 17-item survey questionnaire. Results The module received overall positive feedback from both students and lecturers who expressed the need for further digital health education and stated that the field is very important for clinical care and is underrepresented in the current medical curriculum. We extracted a detailed overview of digital health competencies, skills, and knowledge to teach the students from the expert interviews. They also contained suggestions for teaching methods and statements supporting the urgency of the implementation of digital health education in the mandatory curriculum. Conclusions An elective class seems to be a suitable format for the timely introduction of digital health education. However, a longitudinal implementation in the mandatory curriculum should be the goal. Beyond training future physicians in digital skills and teaching them digital health’s ethical, legal, and social implications, the experience-based development of a critical digital health mindset with openness to innovation and the ability to assess ever-changing health technologies through a broad transdisciplinary approach to translate research into clinical routine seem more important. Therefore, the teaching of digital health should be as practice-based as possible and involve the educational cooperation of different institutions and academic disciplines.
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Affiliation(s)
- Akira-Sebastian Poncette
- Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Einstein Center Digital Future, Berlin, Germany
| | - Daniel Leon Glauert
- Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Lina Mosch
- Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Felix Balzer
- Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Einstein Center Digital Future, Berlin, Germany
| | - David Alexander Back
- Department of Traumatology and Orthopaedics, Septic and Reconstructive Surgery, Bundeswehr Hospital Berlin, Berlin, Germany,Dieter Scheffner Center for Medical Education and Educational Research, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
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Schöttler H, Auzanneau M, Best F, Braune K, Freff M, Heidtmann B, Jung R, Karges B, Klee D, Müller A, Schierloh U, Vogel C, Holl RW. Insulinpumpe, kontinuierliche und kapilläre Glukosemessung bei Kindern, Jugendlichen und Erwachsenen mit Diabetes mellitus: Daten des DPV-Registers zwischen 1995 und 2019. DIABETOL STOFFWECHS 2020. [DOI: 10.1055/a-1259-1190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
ZusammenfassungZiel dieser Beobachtungsstudie ist die Beschreibung der aktuellen Nutzung von Diabetestechnologien bei Patienten/-innen mit Diabetes mellitus.
Methode Auswertung von Daten des DPV-Registers zur Nutzung der Insulinpumpentherapie (CSII), kontinuierlicher Glukosemessung (CGM) und der Selbstmessung der Blutglukose (SMBG) aus 497 teilnehmenden Zentren in Deutschland, Österreich, Luxemburg und der Schweiz zwischen 1995 und 2019. Die Daten wurden bei Patienten/-innen mit Diabetes Typ 1 (Alter ≥ 0,5 Jahre) für 5 Altersgruppen ausgewertet. Zusätzlich wurden aktuelle (zwischen 2017 und 2019) Geschlechtsunterschiede in der Verwendung von Diabetestechnologie bei Typ-1-Patienten/-innen untersucht, ebenso wie die Nutzung von Insulinpumpen und CGM für Patienten/-innen mit Insulintherapie bei Typ-2-DM, bei zystischer Fibrose (CFRD), bei anderen Pankreaserkrankungen, neonatalem Diabetes und Maturity Onset Diabetes of the Young (MODY).
Ergebnisse Es zeigte sich bei Patienten/-innen mit Diabetes Typ 1 ein Anstieg der CSII-Nutzung von 1995 bis 2019 von 1 % auf 55 % (2019: < 6 Jahre: 89 %; 6–< 12 Jahre: 67 %; 12–< 18 Jahre: 52 %; 18–< 25 Jahre: 48 %; ≥ 25 Jahre: 34 %). Die CGM-Nutzung erhöhte sich ab 2016 bis 2019 von 9 % auf 56 % (2019: 67 %; 68 %; 61 %; 47 %; 19 % der jeweiligen Altersgruppe). Die SMBG nahmen von 1995 bis 2015 insbesondere in den jüngeren Altersgruppen zu, gefolgt von einem Rückgang seit dem Jahr 2016 (Alle Patienten: 1995: 3,3/Tag; 2016: 5,4/Tag; 2019: 3,8/Tag). Weibliche Patienten mit Typ-1-Diabetes führten häufiger eine CSII und mehr SMBG als männliche Patienten durch (56 %/48 %, jeweils p-Wert: < 0,0001), während sich bei der CGM-Nutzung keine signifikanten Unterschiede zeigten.Zwischen 2017 und 2019 erfolgte eine Nutzung von Insulinpumpen und CGM bei neonatalem Diabetes (CSII 87 %; CGM 38 %), bei MODY (CSII 14 %; CGM 28 %) und bei CFRD (CSII 18 %; CGM 22 %). CGM und CSII wurden dagegen nur selten von Menschen mit Insulintherapie und Diabetes Typ 2 (CSII < 1 %; CGM 1 %) und bei anderen Pankreaserkrankungen (CSII 3 %; CGM 4 %) genutzt.
Schlussfolgerung Moderne Diabetestechnologien werden derzeit insbesondere von pädiatrischen Patienten/-innen mit Diabetes Typ 1, aber auch von Menschen mit neonatalem Diabetes breit genutzt, von Patienten/-innen mit MODY und CFRD sowie Erwachsenen mit Diabetes Typ 1 in etwas geringerem Maße mit ansteigendem Trend. Dagegen sind diese Technologien in der Therapie des Typ-2-Diabetes und bei anderen Pankreaserkrankungen zurzeit nur wenig verbreitet.
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Affiliation(s)
- Hanna Schöttler
- Diabetologische Ambulanz, Darmstädter Kinderkliniken Prinzessin Margaret, Darmstadt
| | - Marie Auzanneau
- Deutsches Zentrum für Diabetesforschung e. V. (DZD), München-Neuherberg
- Universität Ulm, Institut für Epidemiologie und Medizinische Biometrie, ZIBMT, Ulm
| | - Frank Best
- Diabetologische Schwerpunktpraxis Best, Essen
| | - Katarina Braune
- Klinik für Pädiatrie m. S. Endokrinologie und Diabetologie, Charité Universitätsmedizin Berlin
| | - Markus Freff
- Diabetologische Ambulanz, Darmstädter Kinderkliniken Prinzessin Margaret, Darmstadt
| | - Bettina Heidtmann
- Pädiatrische Diabetologie und Endokrinologie, Katholisches Kinderkrankenhaus Wilhelmstift gGmbH, Hamburg
| | - Ralf Jung
- Abteilung Endokrinologie und Diabetologie, Krankenhaus Sachsenhausen, Frankfurt
| | - Beate Karges
- Sektion Endokrinologie und Diabetologie, RWTH, Aachen
| | | | - Antonia Müller
- Klinik für Diabetes und Stoffwechselerkrankungen, Klinikum Karlsburg
| | - Ulrike Schierloh
- Abteilung für pädiatrische Endokrinologie und Diabetologie, Centre Hospitalier de Luxembourg
| | - Christian Vogel
- Abteilung pädiatrische Endokrinologie und Diabetologie, Klinikum Chemnitz gGmbH, Chemnitz
| | - Reinhard W. Holl
- Deutsches Zentrum für Diabetesforschung e. V. (DZD), München-Neuherberg
- Universität Ulm, Institut für Epidemiologie und Medizinische Biometrie, ZIBMT, Ulm
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Raile K, Boss K, Braune K, Heinrich-Rohr M. Versorgung von Kindern und Jugendlichen mit Typ-1-Diabetes: Lösungen für technische und psychosoziale Herausforderungen. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2020; 63:856-863. [DOI: 10.1007/s00103-020-03162-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
ZusammenfassungDiabetes mellitus Typ 1 ist die häufigste endokrinologische Erkrankung bei Kindern und Jugendlichen unter 15 Jahren. Eine Heilungsperspektive bezüglich der Autoimmunreaktion gegen die insulinbildenden Betazellen ist weiterhin nicht in Sicht. Dennoch konnte durch technische Innovationsschübe bei Glukosesensoren, Insulinpumpen und Steuerungsalgorithmen innerhalb der letzten Jahre die Stoffwechselkontrolle optimiert werden. Diese Entwicklungen führen zusammen mit individuellen Diabetesschulungen und psychosozialer Unterstützung zu einer deutlichen Verbesserung der Versorgung.In diesem Übersichtsartikel wird die aktuelle Versorgungssituation von Kindern und Jugendlichen mit Typ-1-Diabetes sowie ihren Eltern dargestellt. In Deutschland ist die multidisziplinäre, spezialisierte Versorgung durch Teams aus Kinder- und Jugenddiabetolog*innen, Diabetesberater*innen, Sozialarbeiter*innen und Kinder- und Jugendpsychotherapeut*innen seit vielen Jahren etabliert und führt zu einer im internationalen Vergleich sehr guten Versorgungsqualität. Fokussiert werden die Diabetesschulung mit dem Schwerpunkt, das Selbstmanagement optimal zu unterstützen, die psychosoziale Begleitung und Intervention sowie die Inklusion in Schulen und Kindertagesstätten. Wir gehen außerdem auf neue soziale Entwicklungen der Diabetes-Online-Community ein. Ein aktuelles Beispiel ist die patientenbetriebene Bewegung „Do-It-Yourself Artificial Pancreas System“ (DIY-APS), die als Open-Source-Projekt mittlerweile Innovationsgeber auch für Medizinproduktehersteller ist. Zum Schluss beleuchten wir die damit verbundenen Chancen, aber auch die Verschiebung der klassischen Arzt-Patienten-Rollen.
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Poncette AS, Rojas PD, Hofferbert J, Valera Sosa A, Balzer F, Braune K. Hackathons as Stepping Stones in Health Care Innovation: Case Study With Systematic Recommendations. J Med Internet Res 2020; 22:e17004. [PMID: 32207691 PMCID: PMC7139417 DOI: 10.2196/17004] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 01/13/2020] [Accepted: 01/17/2020] [Indexed: 11/18/2022] Open
Abstract
Background Until recently, developing health technologies was time-consuming and expensive, and often involved patients, doctors, and other health care professionals only as passive recipients of the end product. So far, users have been minimally involved in the ideation and creation stages of digital health technologies. In order to best address users’ unmet needs, a transdisciplinary and user-led approach, involving cocreation and direct user feedback, is required. In this context, hackathon events have become increasingly popular in generating enthusiasm for user-centered innovation. Objective This case study describes preparatory steps and the performance of a health hackathon directly involving patients and health care professionals at all stages. Feasibility and outcomes were assessed, leading to the development of systematic recommendations for future hackathons as a vehicle for bottom-up innovation in health care. Methods A 2-day hackathon was conducted in February 2017 in Berlin, Germany. Data were collected through a field study. Collected field notes were subsequently discussed in 15 informal meetings among the research team. Experiences of conducting two further hackathons in December 2017 and November 2018 were included. Results In total, 30 participants took part, with 63% (19/30) of participants between 25 and 34 years of age, 30% (9/30) between 35 and 44 years of age, and 7% (2/30) younger than 25 years of age. A total of 43% (13/30) of the participants were female. The participation rate of medical experts, including patients and health care professionals, was 30% (9/30). Five multidisciplinary teams were formed and each tackled a specific health care problem. All presented projects were apps: a chatbot for skin cancer recognition, an augmented reality exposure-based therapy (eg, for arachnophobia), an app for medical neighborhood connectivity, a doctor appointment platform, and a self-care app for people suffering from depression. Patients and health care professionals initiated all of the projects. Conducting the hackathon resulted in significant growth of the digital health community of Berlin and was followed up by larger hackathons. Systematic recommendations for conducting cost-efficient hackathons (n≤30) were developed, including aspects of community building, stakeholder engagement, mentoring, themes, announcements, follow-up, and timing for each step. Conclusions This study shows that hackathons are effective in bringing innovation to health care and are more cost- and time-efficient and potentially more sustainable than traditional medical device and digital product development. Our systematic recommendations can be useful to other individuals and organizations that want to establish user-led innovation in academic hospitals by conducting transdisciplinary hackathons.
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Affiliation(s)
- Akira-Sebastian Poncette
- Einstein Center Digital Future, Berlin, Germany.,Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, (corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health), Berlin, Germany.,Hacking Health, Berlin, Germany
| | | | | | - Alvaro Valera Sosa
- Hacking Health, Berlin, Germany.,Department of Architecture in Health, Berlin Institute of Technology, Berlin, Germany
| | - Felix Balzer
- Einstein Center Digital Future, Berlin, Germany.,Department of Anesthesiology and Intensive Care Medicine, Charité - Universitätsmedizin Berlin, (corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health), Berlin, Germany
| | - Katarina Braune
- Hacking Health, Berlin, Germany.,Department of Pediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, (corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health), Berlin, Germany
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O'Donnell S, Lewis D, Marchante Fernández M, Wäldchen M, Cleal B, Skinner T, Raile K, Tappe A, Ubben T, Willaing I, Hauck B, Wolf S, Braune K. Evidence on User-Led Innovation in Diabetes Technology (The OPEN Project): Protocol for a Mixed Methods Study. JMIR Res Protoc 2019; 8:e15368. [PMID: 31742563 PMCID: PMC6891827 DOI: 10.2196/15368] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 10/22/2019] [Accepted: 10/30/2019] [Indexed: 01/24/2023] Open
Abstract
Background Digital innovations in health care have traditionally followed a top-down pathway, with manufacturers leading the design and production of technology-enabled solutions and those living with chronic conditions involved only as passive recipients of the end product. However, user-driven open-source initiatives in health care are becoming increasingly popular. An example is the growing movement of people with diabetes, who create their own “Do-It-Yourself Artificial Pancreas Systems” (DIYAPS). Objective The overall aim of this study is to establish the empirical evidence base for the clinical effectiveness and quality-of-life benefits of DIYAPS and identify the challenges and possible solutions to enable their wider diffusion. Methods A research program comprising 5 work packages will examine the outcomes and potential for scaling up DIYAPS solutions. Quantitative and qualitative methodologies will be used to examine clinical and self-reported outcome measures of DIYAPS users. The majority of members of the research team live with type 1 diabetes and are active DIYAPS users, making Outcomes of Patients’ Evidence With Novel, Do-It-Yourself Artificial Pancreas Technology (OPEN) a unique, user-driven research project. Results This project has received funding from the European Commission’s Horizon 2020 Research and Innovation Program, under the Marie Skłodowska-Curie Action Research and Innovation Staff Exchange. Researchers with both academic and nonacademic backgrounds have been recruited to formulate research questions, drive the research process, and disseminate ongoing findings back to the DIYAPS community and other stakeholders. Conclusions The OPEN project is unique in that it is a truly patient- and user-led research project, which brings together an international, interdisciplinary, and intersectoral research group, comprising health care professionals, technical developers, biomedical and social scientists, the majority of whom are also living with diabetes. Thus, it directly addresses the core research and user needs of the DIYAPS movement. As a new model of cooperation, it will highlight how researchers in academia, industry, and the patient community can create patient-centric innovation and reduce disease burden together. International Registered Report Identifier (IRRID) PRR1-10.2196/15368
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Affiliation(s)
- Shane O'Donnell
- School of Sociology, University College Dublin, Belfield, Ireland
| | | | | | - Mandy Wäldchen
- School of Sociology, University College Dublin, Belfield, Ireland
| | - Bryan Cleal
- Diabetes Management Research, Steno Diabetes Center Copenhagen, Gentofte, Denmark
| | - Timothy Skinner
- Diabetes Management Research, Steno Diabetes Center Copenhagen, Gentofte, Denmark.,Institut for Psykologi, Københavns Universitet, Copenhagen, Denmark
| | - Klemens Raile
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | | | - Tebbe Ubben
- AndroidAPS, Vienna, Austria.,#dedoc° Diabetes Online Community, Berlin, Germany
| | - Ingrid Willaing
- Diabetes Management Research, Steno Diabetes Center Copenhagen, Gentofte, Denmark
| | | | - Saskia Wolf
- #dedoc° Diabetes Online Community, Berlin, Germany
| | - Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
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Braune K, O'Donnell S, Cleal B, Lewis D, Tappe A, Willaing I, Hauck B, Raile K. Real-World Use of Do-It-Yourself Artificial Pancreas Systems in Children and Adolescents With Type 1 Diabetes: Online Survey and Analysis of Self-Reported Clinical Outcomes. JMIR Mhealth Uhealth 2019; 7:e14087. [PMID: 31364599 PMCID: PMC6691673 DOI: 10.2196/14087] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 06/14/2019] [Accepted: 06/16/2019] [Indexed: 01/19/2023] Open
Abstract
Background Patient-driven initiatives have made uptake of Do-it-Yourself Artificial Pancreas Systems (DIYAPS) increasingly popular among people with diabetes of all ages. Observational studies have shown improvements in glycemic control and quality of life among adults with diabetes. However, there is a lack of research examining outcomes of children and adolescents with DIYAPS in everyday life and their social context. Objective This survey assesses the self-reported clinical outcomes of a pediatric population using DIYAPS in the real world. Methods An online survey was distributed to caregivers to assess the hemoglobin A1c levels and time in range (TIR) before and after DIYAPS initiation and problems during DIYAPS use. Results A total of 209 caregivers of children from 21 countries responded to the survey. Of the children, 47.4% were female, with a median age of 10 years, and 99.4% had type 1 diabetes, with a median duration of 4.3 years (SD 3.9). The median duration of DIYAPS use was 7.5 (SD 10.0) months. Clinical outcomes improved significantly, including the hemoglobin A1c levels (from 6.91% [SD 0.88%] to 6.27% [SD 0.67]; P<.001) and TIR (from 64.2% [SD 15.94] to 80.68% [SD 9.26]; P<.001). Conclusions Improved glycemic outcomes were found across all pediatric age groups, including adolescents and very young children. These findings are in line with clinical trial results from commercially developed closed-loop systems.
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Affiliation(s)
- Katarina Braune
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Shane O'Donnell
- The Insight Centre for Data Analytics, University College Dublin, Belfield, Ireland
| | - Bryan Cleal
- Diabetes Management Research, Steno Diabetes Center Copenhagen, Gentofte, Denmark
| | | | | | - Ingrid Willaing
- Diabetes Management Research, Steno Diabetes Center Copenhagen, Gentofte, Denmark
| | | | - Klemens Raile
- Department of Paediatric Endocrinology and Diabetes, Charité - Universitätsmedizin Berlin, Berlin, Germany
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Braune K, Kraemer LA, Weinstein J, Zayani A, Heinemann L. Storage Conditions of Insulin in Domestic Refrigerators and When Carried by Patients: Often Outside Recommended Temperature Range. Diabetes Technol Ther 2019; 21:238-244. [PMID: 31009254 DOI: 10.1089/dia.2019.0046] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Objective: Not much is known about how people with diabetes store their insulin. Objective of our evaluation was to analyze at which temperature insulin is stored in domestic refrigerators and when opened/carried as a spare, and if these temperatures meet the manufacturers' recommendations. Methods: People with diabetes (n = 338; 46% US, 41% EU) put Bluetooth-enabled temperature sensors (MedAngel ONE, Netherlands) next to the insulin into their refrigerator or diabetes bag. Measurement results were transferred to an app and stored in a protected online database. Results: Temperature logs from 400 sensors were analyzed (230 for refrigerated, 170 for carried insulin). Deviations outside the recommended range were found in 315 (78.8%) logs (230 [100%] refrigerated, 85 [50%] carried). For refrigerated insulin, temperature recorded was out of range 11.3% of the time, on average 2 h 43 min/day with an average deviation of 3.7 K. For carried insulin, temperatures were out of range 0.5% of the time (8 min/day) with an average deviation of 1.1 K. Seventeen percent of sensors measured temperatures <0°C (57 of sensors for refrigerated, 9 for carried insulin). Conclusions: Storage conditions of insulin are known to have an impact on its blood glucose-lowering effect. This is the first study investigating temperature conditions of insulin storage in industrialized countries. In a clinically relevant percentage of storage time, insulin was exposed to temperatures outside the recommended range, especially when refrigerated. Thus, domestic refrigerators may pose an underestimated risk for insulin quality.
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Affiliation(s)
- Katarina Braune
- 1 Department of Paediatric Endocrinology and Diabetes, Charité-Universitätsmedizin Berlin, Berlin, Germany
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Barnard KD, Ziegler R, Klonoff DC, Braune K, Petersen B, Rendschmidt T, Finan D, Kowalski A, Heinemann L. Open Source Closed-Loop Insulin Delivery Systems: A Clash of Cultures or Merging of Diverse Approaches? J Diabetes Sci Technol 2018; 12:1223-1226. [PMID: 30079769 PMCID: PMC6232748 DOI: 10.1177/1932296818792577] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Biomedical outcomes for people with diabetes remain suboptimal for many. Psychosocial care in diabetes does not fare any better. "Artificial pancreas" (also known as "closed-loop" and "automated insulin delivery") systems present a promising therapeutic option for people with diabetes (PWD)-simultaneously improving glycemic outcomes, reducing the burden of self-management, and improving health-related quality of life. In recent years there has emerged a growing movement of PWD innovators rallying behind the mantra #WeAreNotWaiting, developing "do-it-yourself artificial pancreas systems (DIY APS)." Self-reported results by DIY APS users show improved metabolic outcomes such as impressive stability of glucose profiles, significant reduction of A1c, and more time within their glycemic target range. However, the benefits remain unclear for the broader population of PWD beyond these highly engaged, highly tech-savvy users willing and able to engage in the demands of building and maintaining their DIY APS. We discuss the challenges faced by key stakeholder groups in terms of potential collaboration and open debate of these challenges.
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Affiliation(s)
| | - Ralph Ziegler
- Diabetes Clinic for Children and
Adolescents, Münster, Germany
| | - David C. Klonoff
- Diabetes Research Institute,
Mills-Peninsula Health Service, San Mateo, CA, USA
| | - Katarina Braune
- Charité–Universitätsmedizin Berlin,
Department of Paediatric Endocrinology and Diabetes; & DIY Community, Berlin,
Germany
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Braune K, Volkmer I, Staege MS. Characterization of Alstrom Syndrome 1 (ALMS1) Transcript Variants in Hodgkin Lymphoma Cells. PLoS One 2017; 12:e0170694. [PMID: 28135309 PMCID: PMC5279758 DOI: 10.1371/journal.pone.0170694] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 01/09/2017] [Indexed: 12/31/2022] Open
Abstract
The Alstrom syndrome gene (ALMS1) is one of the largest disease associated genes identified today in the human genome and is implicated in cell cycle control, ciliogenesis, endosome recycling and intracellular transport mechanisms. ALMS1 mutations cause Alstrom syndrome, a rare genetic disorder. However, its function is not completely understood. DNA microarray analysis suggested that ALMS1 might be differentially expressed between Hodgkin lymphoma (HL) cells and normal tissues. By using reverse transcription-polymerase chain reaction (RT-PCR) we detected low but variable expression of ALMS1 in HL cell lines with highest expression in KM-H2 cells. Immunofluorescence indicated centrosomal accumulation of ALMS1 protein in HL cells. Knock-down of ALMS1 in KM-H2 cells had no impact on viability or cytotoxic drug sensitivity of these cells. Sequencing of RT-PCR products from HL cell lines identified three variable regions in ALMS1 transcripts that affect exons 2, 13, and 23. One of these variants was characterized by splicing out of exon 13. The other variants are characterized by two alternative 5 prime ends or alternative 3 prime ends. Structure prediction of the corresponding RNAs and proteins suggest that the different transcript variants might affect posttranscriptional regulation and ligand binding.
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Affiliation(s)
- Katarina Braune
- Department of Pediatrics, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Ines Volkmer
- Department of Pediatrics, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Martin S. Staege
- Department of Pediatrics, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
- * E-mail:
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Tubbs RS, Kelly DR, Mroczek-Musulman EC, Braune K, Reddy A, Georgeson K, Grabb PA, Oakes WJ. Dwarfism, occult spinal dysraphism, and presacral myxopapillary ependymoma with an epidermoid cyst in a child. Acta Neurochir (Wien) 2005; 147:299-302; discussion 302. [PMID: 15662566 DOI: 10.1007/s00701-004-0469-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The authors present a case of a child with dwarfism that was noted to be developmentally delayed. Imaging revealed atlantoaxial instability, occult spinal dysraphism, and a presacral mass. Histopathology of the presacral lesion was that of a myxopapillary ependymoma with epidermoid cyst. We believe this to be the first report in the extant medical literature of this constellation of findings in the same patient. However, there are rare reports indicating a possible association of occult spinal dysraphism and the simultaneous occurrence of spinal ependymomas. Further case reports are necessary to discern whether these pathological entities are true low rate associations that the clinician should consider in their evaluation of these patients.
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Affiliation(s)
- R S Tubbs
- Department of Cell Biology, University of Alabama at Birmingham, Pediatric Neurosurgery, Children's Hospital, Birmingham, AL 35233, USA.
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Holst A, Braune K, Kjellberg-Larsson M. Occurrence and distribution of caries in 6-year-old children in Blekinge, Sweden. Swed Dent J 1999; 23:71-6. [PMID: 10431342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
Community dentistry in Blekinge aims at age-specific levels of dental health. For 6-year-old children the goal is that > 65 percent will have dmft = 0 in the year 2000. At present there is no study on dental health in 6-year-olds in Blekinge. The aims of the present study are to establish baseline epidemiological data on dental caries in the county of Blekinge, expressed as dentin lesions and enamel lesions, to analyse these data and to formulate program oriented planning of dental care for pre-school children to achieve the dental health goal for the year 2000. The material comprised a random sample of 213 children. The sample was drawn from the population register for children living in the county of Blekinge. A clinical investigation was performed by one of the authors and was completed with bite-wing radiographs whenever the proximal surface could not be inspected clinically. In addition the parents were asked questions about tooth-brushing and use of fluoride tablets. Fifty-six percent of the children had filled lesions and manifest lesions (dfs), 65 percent had enamel caries lesions (dsi) and 42 percent had manifest lesions (ds). Fifty-three percent had dmft > 0. The finding of initial lesions in 65 percent of the children indicates that caries prevalence is greatly underestimated. Together with poor oral hygiene, this means an increase in the risk of caries progression. The pattern of dental health was very skewed among the children; 23 percent had between 5 and fourteen decayed or filled teeth and 11 percent had from 5 to 23 manifest lesions. Clinics in Blekinge have had different strategies for preventive dental care. In 1997, however, all the public dental service clinics in Blekinge, adopted a uniform program for child dental care, focusing on primary prevention and risk assessment for each individual.
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Affiliation(s)
- A Holst
- Public Dental Service, County of Blekinge, Sweden
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Holst A, Braune K, Sullivan A. A five-year evaluation of fissure sealants applied by dental assistants. Swed Dent J 1999; 22:195-201. [PMID: 9974203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
The aim of this study was to evaluate if sealings of fissures is a preventive method appropriate for delegation to auxiliary personnel. After a two-day course, giving theoretical as well as practical knowledge, 77 dental assistants working at twelve dental clinics, sealed 3218 first and second permanent molars in children. The material used was the light-cured resin Delton Opaque. The sealings were examined once a year by the childrens ordinary dentists, using internationally accepted criteria. The result showed a total retention rate of 91% after one year and 69% after five. There were differences in success rate between the clinics, the majority demonstrating a five-year total retention rate between 70 and 94%. It was evident that the retention of sealings was influenced by the age of the children but not by the position of teeth in the mouth. The main part of failures appeared during the first year (35%) and failures were essentially due to fractures (64%). Eight percent of all teeth present at the end of the five-year period had become carious. The dental assistants sealed the fissures without any assistance and none of them had any previous experience of fissure sealings. In our opinion, sealing of fissures is a method well suited for delegation to dental assistants after proper education but should be followed up, as the success rate showed a great variation.
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Affiliation(s)
- A Holst
- Department of Paediatric Dentistry, Blekinge County Council, Karlskrona, Sweden
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van Schouwenburg S, Braune K. Chylothorax in a cat. J S Afr Vet Assoc 1998; 69:118. [PMID: 10192082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023] Open
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Amsler C, Armstrong DS, Augustin I, Baker CA, Barnett BM, Batty CJ, Beuchert K, Birien P, Blüm P, Bossingham R, Braune K, Brose J, Bugg DV, Burchell M, Case T, Cooper A, Cramer O, Crowe KM, Degener T, Dietz HP, Dombrowski SV, Doser M, Dünnweber W, Engelhardt D, Englert M, Faessler MA, Felix C, Hackmann R, Haddock RP, Heinsius FH, Herz M, Hessey NP, Hidas P, Illinger P, Jamnik D, Kalinowsky H, Kämmle B, Kiel T, Kisiel J, Klempt E, Kobel M, Koch H, Kolo C, Königsmann K, Kuhn J, Kunze M, Lakata M, Landua R, Lüdemann J, Matthäy H, Merkel M, Merlo JP, Meyer CA, Montanet L, Noble A, Ould-Saada F, Peters K, Pinder CN, Pinter G, Ravndal S, Schäfer E, Schmidt P, Spanier S, Stöck H, Straßburger C, Strohbusch U, Suffert M, Thoma U, Urner D, Völcker C, Walter F, Walther D, Wiedner U, Winter N, Zoll J, Zou BS, Zupančič Č. First observations of Pontecorvo reactions with a recoiling neutron. ACTA ACUST UNITED AC 1995. [DOI: 10.1007/bf01290916] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Amsler C, Armstrong DS, Augustin I, Baker CA, Barnett BM, Batty CJ, Beuchert K, Birien P, Bistirlich J, Blum P, Bossingham R, Bossy H, Braune K, Brose J, Bugg DV, Burchell M, Case T, Chung SU, Cooper A, Crowe KM, Dietz HP, Dombrowski S, Doser M, Dünnweber W, Engelhardt D, Englert M, Faessler MA, Felix C, Folger G, Hackmann R, Haddock RP, Heinsius FH, Hessey NP, Hidas P, Illinger P, Jamnik D, Jávorfi Z, Kalinowsky H, Kämmle B, Kiel T, Kisiel J, Klempt E, Kobel M, Koch H, Kolo C, Königsmann K, Kunze M, Landua R, Lüdemann J, Matthaey H, Merkel M, Merlo JP, Meyer CA, Meyer-Berkhout U, Montanet L, Noble A, Ould-Saada F, Peters K, Pinter G, Ravndal S, Sanjari AH, Schäfer E, Schmid B, Schmidt P, Spanier S, Straßburger C, Strohbusch U, Suffert M, Urner D, Völcker C, Walter F, Walther D, Wiedner U, Winter N, Zoll J, Zupančič Č. Antiproton-proton annihilation at rest into two-body final states. ACTA ACUST UNITED AC 1993. [DOI: 10.1007/bf01560336] [Citation(s) in RCA: 58] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Abstract
From the literature we collected all available quantitative data on the chymotrypsin-catalyzed hydrolysis of series of amino acid and peptide substrates. Utilizing this data base, we performed calculations on their quantitative structure/activity relationship (QSAR). The substrates were considered to be composed of fragments; log(kcat/Km) values for the substrates resulted from additive contributions of their fragments. Despite the fact that the kinetic constants in the data base were determined by different authors under various reaction conditions, the data are well described by the simple additivity model. Obviously, the intrinsic specificity of chymotrypsin dominates the influence of varying reaction conditions.
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Affiliation(s)
- V Schellenberger
- Sektion Biowissenschaften der Universität Leipzig, Federal Republic of Germany
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Condo GT, Handler T, Shimony J, Abe K, Armenteros R, Austern M, Bacon TC, Ballam J, Bingham HH, Brau JE, Braune K, Brick D, Bugg WM, Butler JM, Cameron W, Cohn HO, Colley DC, Dado S, Diamond R, Dingus P, Erickson R, Falicov A, Field RC, Fortney LR, Franek B, Fujiwara N, Glanzman T, Godfrey IM, Goldberg JJ, Goshaw AT, Hall G, Hancock ER, Hargis HJ, Hart EL, Harwin MJ, Hasegawa K, Hulsizer RI, Jobes M, Kafka T, Kalmus GE, Kelsey DP, Kent J, Kitagaki T, Levy A, Lucas PW, Mann WA, McCrory ES, Merenyi R, Milburn R, Milstene C, Moffeit KC, Napier A, Noguchi S, O'Dell VR, O'Neale S, Palounek AP, Pless IA, Rankin P, Robertson WJ, Sagawa H, Sato T, Schneps J, Sewell SJ, Shank J. Photoproduction of an isovector rho pi state at 1775 MeV. Phys Rev D Part Fields 1991; 43:2787-2791. [PMID: 10013676 DOI: 10.1103/physrevd.43.2787] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Condo GT, Handler T, Shimony J, Abe K, Austern M, Armenteros R, Bacon TC, Ballam J, Bingham HH, Brau JE, Braune K, Brick D, Bugg WM, Butler JM, Cameron W, Cohn HO, Colley DC, Dado S, Diamond R, Dingus P, Erickson R, Falicov A, Field RC, Fortney LR, Franek B, Fujiwara N, Glanzman T, Godfrey IM, Goldberg JJ, Goshaw AT, Hall G, Hancock ER, Hargis HJ, Hart EL, Harwin MJ, Hasegawa K, Hulsizer RI, Jobes M, Kafka T, Kalmus GE, Kelsey DP, Kent J, Kitagaki T, Levy A, Lucas PW, Mann WA, McCrory ES, Merenyi R, Milburn R, Milstene C, Moffeit KC, Napier A, Noguchi S, Ochiai F, O'Dell VR, O'Neale S, Palounek AP, Pless IA, Rankin P, Robertson WJ, Sagawa H, Sato T, Schneps J, Sewell SJ. Charge-exchange photoproduction of the a2-(1320) in association with Delta ++ at 19.3 GeV/c. Phys Rev D Part Fields 1990; 41:3317-3323. [PMID: 10012269 DOI: 10.1103/physrevd.41.3317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Brau JE, Franek B, Wester W, Abe K, Bacon TC, Ballam J, Bingham HH, Braune K, Brick D, Bugg WM, Butler JM, Cameron W, Carroll JT, Cautis CV, Cohn HO, Colley DC, Condo GT, Dado S, Diamond R, Dingus P, Erickson R, Fieguth T, Field RC, Fortney L, Fujiwara N, Gearhart R, Glanzman T, Godfrey IM, Goldberg JJ, Goshaw AT, Hall G, Hancock ER, Handler T, Hargis HJ, Hart EL, Harwin MJ, Hasegawa K, Hulsizer RI, Jobes M, Kafka T, Kalmus GE, Kelsey DP, Kent J, Kitagaki T, Levy A, Mann WA, Merenyi R, Milburn R, Milstene C, McCrory E, Moffeit KC, Napier A, Noguchi S, Ochiai F, O'Dell VR, O'Neale S, Palounek AP, Pless IA, Rankin P, Sagawa H, Sato T, Schneps J, Sewell SJ. Production and decay properties of the omega pi 0 state at 1250 MeV/c2 produced by 20-GeV polarized photons on hydrogen. Phys Rev D Part Fields 1988; 37:2379-2390. [PMID: 9958954 DOI: 10.1103/physrevd.37.2379] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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