12 results on '"Brandner L"'
Search Results
2. A relation between the radial velocity dispersion of young clusters and their age
- Author
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M. C. Ramírez-Tannus, F. Backs, A. de Koter, H. Sana, H. Beuther, A. Bik, W. Brandner, L. Kaper, H. Linz, Th. Henning, J. Poorta
- Published
- 2021
- Full Text
- View/download PDF
3. Glycemic changes upon adoption of CGM for German T2 diabetes patients not using intensive insulin
- Author
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Gölz, S, additional, Kao, K, additional, Brandner, L, additional, Hoffmann, P, additional, and TC, Dunn, additional
- Published
- 2021
- Full Text
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4. Impact of continuous glucose monitoring on emergency department visits and all-cause hospitalization rates among Medicaid beneficiaries with type 2 diabetes treated with multiple daily insulin or basal insulin therapy.
- Author
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Hirsch IB, Burugapalli BS, Brandner L, Poon Y, Frazzitta M, Godavarthi L, and Virdi N
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- Humans, Female, Male, Middle Aged, Retrospective Studies, United States, Adult, Blood Glucose drug effects, Blood Glucose metabolism, Aged, Continuous Glucose Monitoring, Emergency Room Visits, Diabetes Mellitus, Type 2 drug therapy, Diabetes Mellitus, Type 2 blood, Emergency Service, Hospital statistics & numerical data, Hospitalization statistics & numerical data, Medicaid statistics & numerical data, Insulin administration & dosage, Insulin therapeutic use, Hypoglycemic Agents administration & dosage, Hypoglycemic Agents therapeutic use, Blood Glucose Self-Monitoring
- Abstract
Background: The increasing prevalence of diabetes in the United States continues to drive a steady rise in health care resource utilization, especially emergency department visits and all-cause hospitalizations, and the associated costs., Objective: To investigate the impact of continuous glucose monitoring (CGM) on emergency department visits and all-cause hospitalizations among Medicaid beneficiaries with type 2 diabetes (T2D) treated with multiple daily insulin injections (MDIs) or basal insulin therapy (BIT) in a real-world setting., Methods: In this retrospective, 12-month analysis, we used the Inovalon Insights claims dataset to evaluate the effects of CGM acquisition on emergency department visits and all-cause hospitalizations in the Managed Medicaid population. The analysis included 44,941 beneficiaries with T2D who were treated with MDIs (n = 35,367) or BIT (n = 9,574). Primary outcomes were changes in the number of emergency department visits and all-cause hospitalizations following 6 months after acquisition of CGM (post-index period) compared with 6 month prior to CGM acquisition (pre-index period). The first claim for CGM was the index date. Inclusion criteria were as follows: aged younger than 65 years, diagnosis of T2D, claims for short- or rapid-acting insulin (MDI group) or basal insulin (not rapid-acting) (BIT group), acquisition of a CGM device between January 1, 2017, and September 30, 2022, and continuous enrollment in their health plan throughout the pre-index and post-index periods., Results: In the MDI group, all-cause inpatient hospitalization rates decreased from 3.25 to 2.29 events/patient-year (hazard ratio = 0.12; 95% CI = 0.11-0.13; P < 0.001) and emergency department visit rates decreased from 2.15 to 1.86 events/patient-year (hazard ratio = 0.52; 95% CI = 0.50-0.53; P < 0.001). In the BIT group, all-cause inpatient hospitalization rates decreased from 1.63 to 1.39 events/patient-year (hazard ratio = 0.11; 95% CI = 0.09-0.12; P < 0.001) and emergency department visit rates decreased from 1.60 to 1.43 events/patient-year (hazard ratio = 0.47; 95% CI = 0.44-0.50; P < 0.001)., Conclusions: Acquisition of CGM is associated with significant reductions in emergency department visits and all-cause hospitalizations among people with T2D treated with MDIs or BIT.
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- 2024
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5. Glycemic metrics in Japanese isCGM users - Analysis by diabetes type and therapy.
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Ogawa W, Urakami T, Kadowaki T, Kao K, Brandner L, Shimizu K, and Dunn TC
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- Adult, Aged, Female, Humans, Male, Middle Aged, Biomarkers analysis, Biomarkers blood, Blood Glucose analysis, East Asian People, Glycated Hemoglobin analysis, Hypoglycemic Agents therapeutic use, Insulin therapeutic use, Japan epidemiology, Blood Glucose Self-Monitoring methods, Diabetes Mellitus, Type 1 drug therapy, Diabetes Mellitus, Type 1 blood, Diabetes Mellitus, Type 2 drug therapy, Diabetes Mellitus, Type 2 blood, Glycemic Control
- Abstract
Aims/introduction: The FreeStyle Libre (FSL) intermittently scanned continuous glucose monitoring (isCGM) system continually measures interstitial glucose levels and provides the data to users in numerical and graphical formats that guide users in their daily diabetes self-management. Although numerous studies have demonstrated the glycemic benefits of FSL in pediatric and adult populations, few studies have characterized FSL use specifically by Japanese adults with type 1 or 2 diabetes. We utilized established CGM metrics to assess glycemic control in a large cohort of Japanese adults with type 1 and 2 diabetes., Materials and Methods: A total of 3,463 anonymized FSL users provided categorization into one of four therapy groups of interest: type 1 diabetes (n = 1,768), type 2 diabetes-multiple daily injections (MDI) (n = 612), type 2 diabetes-basal (BOI) (n = 343), and type 2 diabetes-non-insulin (NIT) (n = 740). Established CGM metrics were used to assess glycemic control., Results: All study groups showed relatively good glycemic control. Type 1 diabetes users showed the highest glucose variability (SD, 61 mg/dL; and %CV, 40%), above the established target level (%CV ≤ 36%). type 2 diabetes-MDI and type 2 diabetes-BOI users had similar levels of glucose variability (both within target). Type 2 diabetes-NIT users had the highest mean % time in range (TIR) (84.3%) and largest percentage of users that met the target of %TIR > 70% (87.4%). In contrast, type 1 diabetes users had the lowest mean %TIR (62.6%) and the lowest percentage meeting the established %TIR target (30.5%)., Conclusions: By utilizing CGM devices in daily diabetes care, both healthcare professionals and patients can monitor glycemic excursions and gain insights into their historical glucose control patterns., (© 2024 Abbott Laboratories and The Authors. Journal of Diabetes Investigation published by Asian Association for the Study of Diabetes (AASD) and John Wiley & Sons Australia, Ltd.)
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- 2024
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6. Low Initial Adherence with Flash Glucose Monitoring is Not a Predictor of Long-Term Glycemic Outcomes: Longitudinal Analysis of the Association Between Experience, Adherence, and Glucose Control for FreeStyle Libre Users.
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Šoupal J, Kao K, Brandner L, Grunberger G, and Prázný M
- Abstract
Introduction: Frequent scanning of FreeStyle Libre (FSL) flash glucose monitoring sensors is known to be important whilst wearing an active sensor, but adherence to sensor reapplication is also critical to effective glucose monitoring. We report novel measures of adherence for users of the FSL system and their association with improvements in metrics of glucose control., Methods: Anonymous data were extracted for 1600 FSL users in the Czech Republic with ≥ 36 completed sensors from October 22, 2018 to December 31, 2021. "Experience" was defined by the number of sensors used (1-36 sensors). "Adherence" was defined by time between the end of one sensor and the start of the next (gap time). User adherence was analyzed for four experience levels after initiating FLASH; Start (sensors 1-3); Early (sensors 4-6); Middle (sensors 19-21); End (sensors 34-36). Users were split into two adherence levels based on mean gap time during Start period, "low" (> 24 h, n = 723) and "high" (≤ 8 h, n = 877)., Results: Low-adherence users reduced their sensor gap times significantly: 38.5% applied a new sensor within 24 h during sensors 4-6, rising to 65.0% by sensors 34-36 (p < 0.001). Improved adherence was associated with increased %TIR (time in range; mean + 2.4%; p < 0.001), reduced %TAR (time above range; mean - 3.1%; p < 0.001), and reduced glucose coefficient of variation (CV; mean - 1.7%; p < 0.001)., Conclusions: With experience, FSL users became more adherent in sensor reapplication, with associated increases in %TIR, and reductions in %TAR and glucose variability., (© 2023. The Author(s).)
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- 2023
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7. Multicomponent synthesis of chromophores - The one-pot approach to functional π-systems.
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Brandner L and Müller TJJ
- Abstract
Multicomponent reactions, conducted in a domino, sequential or consecutive fashion, have not only considerably enhanced synthetic efficiency as one-pot methodology, but they have also become an enabling tool for interdisciplinary research. The highly diversity-oriented nature of the synthetic concept allows accessing huge structural and functional space. Already some decades ago this has been recognized for life sciences, in particular, lead finding and exploration in pharma and agricultural chemistry. The quest for novel functional materials has also opened the field for diversity-oriented syntheses of functional π-systems, i.e. dyes for photonic and electronic applications based on their electronic properties. This review summarizes recent developments in MCR syntheses of functional chromophores highlighting syntheses following either the framework forming scaffold approach by establishing connectivity between chromophores or the chromogenic chromophore approach by de novo formation of chromophore of interest. Both approaches warrant rapid access to molecular functional π-systems, i.e. chromophores, fluorophores, and electrophores for various applications., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Brandner and Müller.)
- Published
- 2023
- Full Text
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8. Glycaemic measures for 8914 adult FreeStyle Libre users during routine care, segmented by age group and observed changes during the COVID-19 pandemic.
- Author
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Choudhary P, Kao K, Dunn TC, Brandner L, Rayman G, and Wilmot EG
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- Adolescent, Adult, Aged, Blood Glucose analysis, Blood Glucose Self-Monitoring, Communicable Disease Control, Humans, Infant, Middle Aged, Pandemics, Young Adult, COVID-19 epidemiology, Diabetes Mellitus, Type 1
- Abstract
Aim: To evaluate the impact of the stay-at-home policy on different glucose metrics for time in range (%TIR 3.9-10 mmol/L), time below range (%TBR < 3.9 mmol/L) and time above range (%TAR > 10 mmol/L) for UK adult FreeStyle Libre (FSL) users within four defined age groups and on observed changes during the coronavirus disease 2019 (COVID-19) pandemic., Methods: Data were extracted from 8914 LibreView de-identified user accounts for adult users aged 18 years or older with 5 or more days of sensor readings in each month from January to June 2020. Age-group categories were based on self-reported age on LibreView accounts (18-25, 26-49, 50-64 and ≥65 years)., Results: In January, prior to the COVID-19 pandemic, the 65 years or older age group had the highest %TIR (57.9%), while the 18-25 years age group had the lowest (51.2%) (P < .001). Within each age group, TIR increased during the analysed months, by 1.7% (26-49 years) to 3.1% (≥65 years) (P < .001 in all cases). %TBR was significantly reduced only in the 26-49 years age group, whereas %TAR was reduced by 1.5% (26-49 years) to 3.0% (≥65 years) (P < .001 in both cases). The proportion of adults achieving both of the more than 70% TIR and less than 4% TBR targets increased from 11.7% to 15.9% for those aged 65 years or older (P < .001) and from 6.0% to 9.1% for those aged 18-25 years (P < .05). Mean daily glucose-sensor scan rates were at least 12 per day and remained stable across the analysis period., Conclusions: Our data show the baseline glucose metrics for FSL users in the UK across different age groups under usual care. During lockdown in the UK, the proportion of adults achieving TIR consensus targets increased among FSL users., (© 2022 Abbott Laboratories and The Authors. Diabetes, Obesity and Metabolism published by John Wiley & Sons Ltd.)
- Published
- 2022
- Full Text
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9. Frequency of flash glucose monitoring and glucose metrics: real-world observational data from Saudi Arabia.
- Author
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Al-Harbi MY, Albunyan A, Alnahari A, Kao K, Brandner L, El Jammal M, and Dunn TC
- Abstract
Background: This real-world data study analyzed glucose metrics from FreeStyle Libre
® flash glucose monitoring in relation to scanning frequency, time in range (TIR) and estimated A1c (eA1c) in Saudi Arabia., Methods: Anonymized reader data were analyzed according to scanning frequency quartiles, eA1c categories (<7%,≥7%‒≤9% or>9%) and TIR categories (<50%,≥50%‒≤70% or>70%). Sensors, grouped by reader, were required to have≥120 h of operation. Differences in scanning frequency, eA1c, TIR, time in hypoglycemia and hyperglycemia, and glucose variability (standard deviation [SD] and coefficient of variation [CV]) were analyzed between groups., Results: 6097 readers, 35,747 sensors, and 40 million automatic glucose measurements were analyzed. Patients in the highest scanning frequency quartile (Q4, mean 32.0 scans/day) had lower eA1c (8.47%), greater TIR (46.4%) and lower glucose variation (SD 75.0 mg/dL, CV 38.2%) compared to the lowest quartile (Q1, mean 5.2 scans/day; eA1c 9.77%, TIR 32.8%, SD 94.9 mg/dL, CV 41.3%). Lower eA1c and higher TIR were associated with greater scanning frequency, lower glucose variability and less time in hyperglycemia., Conclusions: Higher scanning frequency in flash glucose users from Saudi Arabia is associated with lower eA1c, higher TIR, lower glucose variability and less time in hypoglycemia or hyperglycemia., (© 2022. The Author(s).)- Published
- 2022
- Full Text
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10. Comparison of Glucose Metrics Between Users of CGM Readers and CGM-Connected Apps.
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Kao K, Brandner L, and Virdi N
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- Blood Glucose, Blood Glucose Self-Monitoring, Humans, Benchmarking, Glucose
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- 2022
- Full Text
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11. An evaluation of the use of topical tranexamic acid in total knee arthroplasty.
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Chimento GF, Huff T, Ochsner JL Jr, Meyer M, Brandner L, and Babin S
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- Administration, Topical, Aged, Antifibrinolytic Agents administration & dosage, Antifibrinolytic Agents therapeutic use, Blood Transfusion statistics & numerical data, Female, Hemoglobins metabolism, Humans, Incidence, Length of Stay, Male, Postoperative Complications epidemiology, Retrospective Studies, Arthroplasty, Replacement, Knee methods, Blood Loss, Surgical prevention & control, Tranexamic Acid administration & dosage, Tranexamic Acid therapeutic use
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The purpose of this study was to evaluate the effectiveness of topical tranexamic acid in primary TKA from a clinical and economic standpoint. We retrospectively reviewed 683 primary total knee arthroplasties performed at a single institution over a 2-year period. We compared 373 cases performed in 2010 without tranexamic acid to 310 cases performed in 2011 with tranexamic acid. Demographic data, hemoglobin levels, transfusion rates, hospital length of stay, cost, and perioperative complications during the first 3 months were collected. Statistical analysis was performed using two sample t-tests and Fisher's exact tests. There was no difference in age, sex, height, or pre-operative hemoglobin between the two groups. The tranexamic acid group had significantly higher post-operative hemoglobin (P<0.0001), lower transfusion rate (P<0.0001), decreased length of stay (P<0.0001), decreased blood bank costs (P<0.0001), increased pharmacy cost (P<0.0001), and decreased total direct cost to the hospital (P<0.0001). The average savings was approximately $1500 per patient. There were no differences in thromboembolic events or infection. The use topical tranexamic acid in primary TKA is safe, effective, and results in significant cost savings., (© 2013 Elsevier Inc. All rights reserved.)
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- 2013
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12. Morningness-eveningness and educational outcomes: the lark has an advantage over the owl at high school.
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Preckel F, Lipnevich AA, Boehme K, Brandner L, Georgi K, Könen T, Mursin K, and Roberts RD
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- Adolescent, Cognition, Educational Status, Female, Germany, Humans, Male, Motivation, Reproducibility of Results, Schools, Sleep, Students psychology, Surveys and Questionnaires, Achievement, Circadian Rhythm, Students statistics & numerical data
- Abstract
Background: Chronotype refers to individuals' preference for morning or evening activities. Its two dimensions (morningness and eveningness) are related to a number of academic outcomes., Aims: The main goal of the study was to investigate the incremental validity of chronotype as a predictor of academic achievement after controlling for a number of traditional predictors. In so doing, a further aim was ongoing validation of a chronotype questionnaire, the Lark-Owl Chronotype Indicator., Sample: The sample comprised 272 students attending 9th and 10th grades at five German high schools. Data was also obtained from 132 parents of these students., Method: Students were assessed in class via self-report questionnaires and a standardized cognitive test. Parents filled out a questionnaire at home. The incremental validity of chronotype was investigated using hierarchical linear regression. Validity of the chronotype questionnaire was assessed by correlating student ratings of their chronotype with behavioural data on sleep, food intake, and drug consumption and with parent ratings of chronotype., Results: Eveningness was a significant (negative) predictor of overall grade point average (GPA), math-science GPA, and language GPA, after cognitive ability, conscientiousness, need for cognition, achievement motivation, and gender were held constant. Validity evidence for the chronotype measure was established by significant correlations with parent-ratings and behavioural data., Conclusions: Results point to the possible discrimination of adolescents with a proclivity towards eveningness at school. Possible explanations for the relationship between chronotype and academic achievement are presented. Implications for educational practice are also discussed., (© 2011 The British Psychological Society.)
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- 2013
- Full Text
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