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Publication Record


Measures of Adherence and Challenges in Using Glucometer Data in Youth with Type 1 Diabetes: Rethinking the Value of Self-Report.
Datye KA, Patel NJ, Jaser SS
(2017) J Diabetes Res 2017: 1075428
MeSH Terms: Adolescent, Adolescent Behavior, Blood Glucose, Blood Glucose Self-Monitoring, Caregivers, Cross-Sectional Studies, Diabetes Mellitus, Type 1, Female, Glycated Hemoglobin A, Humans, Hyperglycemia, Hypoglycemia, Hypoglycemic Agents, Insulin, Insulin Infusion Systems, Male, Patient Compliance, Self Report, Self-Management, Tennessee
Show Abstract · Added May 18, 2018
Purpose - The current study compares the relative strength of associations of different adherence measures with glycemic control in adolescents with type 1 diabetes, while highlighting the challenges in using more objective measures (i.e., glucometer data).
Methods - Adolescents with type 1 diabetes ( = 149) and their caregivers completed a questionnaire measure assessing adolescents' adherence (Self-Care Inventory (SCI)) to the diabetes regimen. Adolescents' glucometers were downloaded to determine average blood glucose checks per day, as an objective measure of adherence. A measure of glycemic control (hemoglobin A1c (HbA1c)) was obtained as part of adolescents' regular clinic visits.
Results - Adolescents' self-reported adherence to the treatment regimen was more strongly correlated with HbA1c than caregivers' reports of adherence. In multivariate analyses, both adolescents' self-report of adherence and average blood glucose checks per day (obtained via a glucometer) were significant predictors of HbA1c. Challenges to obtaining glucometer data were identified.
Conclusions - The findings highlight adolescents' self-report of adherence using the SCI as a brief and meaningful measure to understand and improve adolescents' glycemic control, particularly when glucometer data is difficult to obtain.
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20 MeSH Terms
Sleep in Type 1 Diabetes: Implications for Glycemic Control and Diabetes Management.
Perez KM, Hamburger ER, Lyttle M, Williams R, Bergner E, Kahanda S, Cobry E, Jaser SS
(2018) Curr Diab Rep 18: 5
MeSH Terms: Diabetes Mellitus, Type 1, Humans, Hyperglycemia, Patient Compliance, Sleep, Sleep Wake Disorders, Treatment Outcome
Show Abstract · Added May 15, 2018
PURPOSE OF REVIEW - To highlight recent findings from studies of sleep in type 1 diabetes (T1D), with a focus on the role of sleep in self-management, the cognitive and psychosocial outcomes related to sleep disturbances, and factors associated with sleep disturbances specific to T1D.
RECENT FINDINGS - People with T1D experience higher rates of sleep disturbances than people without diabetes, and these disturbances have negative implications for glycemic control and diabetes management, as well as psychosocial and cognitive outcomes. Inconsistent sleep timing (bedtime and wake time) has emerged as a potential target for interventions, as variability in sleep timing has been linked with poorer glycemic control and adherence to treatment. Sleep-promoting interventions and new diabetes technology have the potential to improve sleep in people with T1D. Sleep is increasingly considered a critical factor in diabetes management, but more multi-method and longitudinal research is needed. We emphasize the importance of sufficient and consistent sleep for people with T1D, and the need for providers to routinely assess sleep among patients with T1D.
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3 Members
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7 MeSH Terms
Outcomes of HIV-positive patients with cryptococcal meningitis in the Americas.
Crabtree Ramírez B, Caro Vega Y, Shepherd BE, Le C, Turner M, Frola C, Grinsztejn B, Cortes C, Padgett D, Sterling TR, McGowan CC, Person A
(2017) Int J Infect Dis 63: 57-63
MeSH Terms: Adult, Americas, Anti-Retroviral Agents, CD4 Lymphocyte Count, Female, Follow-Up Studies, HIV Infections, Humans, Male, Meningitis, Cryptococcal, Middle Aged, Patient Compliance, Retrospective Studies, Treatment Outcome
Show Abstract · Added March 14, 2018
BACKGROUND - Cryptococcal meningitis (CM) is associated with substantial mortality in HIV-infected patients. Optimal timing of antiretroviral therapy (ART) in persons with CM represents a clinical challenge, and the burden of CM in Latin America has not been well described. Studies suggest that early ART initiation is associated with higher mortality, but data from the Americas are scarce.
METHODS - HIV-infected adults in care between 1985-2014 at participating sites in the Latin America (the Caribbean, Central and South America network (CCASAnet)) and the Vanderbilt Comprehensive Care Clinic (VCCC) and who had CM were included. Survival probabilities were estimated. Risk of death when initiating ART within the first 2 weeks after CM diagnosis versus initiating between 2-8 weeks was assessed using dynamic marginal structural models adjusting for site, age, sex, year of CM, CD4 count, and route of HIV transmission.
FINDINGS - 340 patients were included (Argentina 58, Brazil 138, Chile 28, Honduras 27, Mexico 34, VCCC 55) and 142 (42%) died during the observation period. Among 151 patients with CM prior to ART 56 (37%) patients died compared to 86 (45%) of 189 with CM after ART initiation (p=0.14). Patients diagnosed with CM after ART had a higher risk of death (p=0.03, log-rank test). The probability of survival was not statistically different between patients who started ART within 2 weeks of CM (7/24, 29%) vs. those initiating between 2-8 weeks (14/53, 26%) (p=0.96), potentially due to lack of power.
INTERPRETATION - In this large Latin-American cohort, patients with CM had very high mortality rates, especially those diagnosed after ART initiation. This study reflects the overwhelming burden of CM in HIV-infected patients in Latin America.
Copyright © 2017 The Author(s). Published by Elsevier Ltd.. All rights reserved.
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14 MeSH Terms
Genetic variation in SLC7A2 interacts with calcium and magnesium intakes in modulating the risk of colorectal polyps.
Sun P, Zhu X, Shrubsole MJ, Ness RM, Hibler EA, Cai Q, Long J, Chen Z, Li G, Hou L, Smalley WE, Edwards TL, Giovannucci E, Zheng W, Dai Q
(2017) J Nutr Biochem 47: 35-40
MeSH Terms: Adenoma, Amino Acid Transport Systems, Basic, Calcium, Dietary, Case-Control Studies, Colonic Polyps, Colonoscopy, Colorectal Neoplasms, Diet, Healthy, Dietary Supplements, Female, Genetic Association Studies, Genetic Predisposition to Disease, Humans, Magnesium, Male, Middle Aged, Neoplasm Grading, Patient Compliance, Polymorphism, Single Nucleotide, Self Report, Tennessee, Tumor Burden
Show Abstract · Added April 3, 2018
Solute carrier family 7, member 2 (SLC7A2) gene encodes a protein called cationic amino acid transporter 2, which mediates the transport of arginine, lysine and ornithine. l-Arginine is necessary for cancer development and progression, including an important role in colorectal cancer pathogenesis. Furthermore, previous studies found that both calcium and magnesium inhibit the transport of arginine. Thus, calcium, magnesium or calcium:magnesium intake ratio may interact with polymorphisms in the SLC7A2 gene in association with colorectal cancer. We conducted a two-phase case-control study within the Tennessee Colorectal Polyps Study. In the first phase, 23 tagging single-nucleotide polymorphisms in the SLC7A2 gene were included for 725 colorectal adenoma cases and 755 controls. In the second phase conducted in an independent set of 607 cases and 2113 controls, we replicated the significant findings in the first phase. We observed that rs2720574 significantly interacted with calcium:magnesium intake ratio in association with odds of adenoma, particularly multiple/advanced adenoma. In the combined analysis, among those with a calcium:magnesium intake ratio below 2.78, individuals who carried GC/CC genotypes demonstrated higher odds of adenoma [OR (95% CI):1.36 (1.11-1.68)] and multiple/advanced adenoma [OR (95% CI): 1.68 (1.28, 2.20)] than those who carried the GG genotype. The P values for interactions between calcium:magnesium intake ratio and rs2720574 were .002 for all adenomas and <.001 for multiple/advanced adenoma. Among those with the GG genotype, a high calcium:magnesium ratio was associated with increased odds of colorectal adenoma [OR (95% CI): 1.73 (1.27-2.36)] and advanced/multiple adenomas [1.62 (1.05-2.50)], whereas among those with the GC/CC genotypes, high calcium:magnesium ratio was related to reduced odds of colorectal adenoma [0.64 (0.42-0.99)] and advanced/multiple adenomas [0.55 (0.31-1.00)].
Copyright © 2017 Elsevier Inc. All rights reserved.
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2 Members
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22 MeSH Terms
Executive Function in Adolescents With Type 1 Diabetes: Relationship to Adherence, Glycemic Control, and Psychosocial Outcomes.
Perez KM, Patel NJ, Lord JH, Savin KL, Monzon AD, Whittemore R, Jaser SS
(2017) J Pediatr Psychol 42: 636-646
MeSH Terms: Adolescent, Biomarkers, Blood Glucose, Blood Glucose Self-Monitoring, Cross-Sectional Studies, Depression, Diabetes Mellitus, Type 1, Executive Function, Female, Glycated Hemoglobin A, Humans, Male, Patient Compliance, Quality of Life, Self-Management, Surveys and Questionnaires
Show Abstract · Added June 1, 2017
Objective - Impairments in executive function (EF) skills have been observed in youth with type 1 diabetes (T1D), and these skills are critical for following the complex treatment regimen. This study examines parent reports of EF in relation to measures of adherence, glycemic control (A1c), and psychosocial outcomes (depression and quality of life) in adolescents with T1D. A total of 120 adolescents (aged 13-17 years, 52.5% female, 87.5% White) with T1D and their parents completed questionnaires. Glucometers were downloaded and A1c was obtained during clinical visits at the time of enrollment. The prevalence of clinically significant elevated scores on specific EF skills ranged from 11 to 18.6%. In multivariate analyses, parent-reported EF deficits were associated with poorer adherence and lower quality of life, explaining 13 and 12% of the variance, respectively. Adolescents with T1D exhibit specific EF deficits that may negatively impact their quality of life and their ability to engage in self-management activities.
© The Author 2016. Published by Oxford University Press on behalf of the Society of Pediatric Psychology. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
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16 MeSH Terms
Laboratory Measures as Proxies for Primary Care Encounters: Implications for Quantifying Clinical Retention Among HIV-Infected Adults in North America.
Rebeiro PF, Althoff KN, Lau B, Gill J, Abraham AG, Horberg MA, Kitahata MM, Yehia BR, Samji H, Brooks JT, Buchacz K, Napravnik S, Silverberg MJ, Rachlis A, Gebo KA, Sterling TR, Moore RD, Gange SJ, North American AIDS Cohort Collaboration on Research and Design
(2015) Am J Epidemiol 182: 952-60
MeSH Terms: Adult, CD4 Lymphocyte Count, Female, HIV Infections, HIV-1, Health Services Accessibility, Humans, Male, Middle Aged, Patient Compliance, Primary Health Care, RNA, Viral
Show Abstract · Added February 17, 2016
Because of limitations in the availability of data on primary care encounters, patient retention in human immunodeficiency virus (HIV) care is often estimated using laboratory measurement dates as proxies for clinical encounters, leading to possible outcome misclassification. This study included 83,041 HIV-infected adults from 14 clinical cohorts in the North American AIDS Cohort Collaboration on Research and Design (NA-ACCORD) who had ≥1 HIV primary care encounters during 2000-2010, contributing 468,816 person-years of follow-up. Encounter-based retention (REB) was defined as ≥2 encounters in a calendar year, ≥90 days apart. Laboratory-based retention (RLB) was defined similarly, using the dates of CD4-positive cell counts or HIV-1 RNA measurements. Percentage of agreement and the κ statistic were used to characterize agreement between RLB and REB. Logistic regression with generalized estimating equations and stabilized inverse-probability-of-selection weights was used to elucidate temporal trends and the discriminatory power of RLB as a predictor of REB, accounting for age, sex, race/ethnicity, primary HIV risk factor, and cohort site as potential confounders. Both REB and RLB increased from 2000 to 2010 (from 67% to 78% and from 65% to 77%, respectively), though REB was higher than RLB throughout (P < 0.01). RLB agreed well with REB (80%-86% agreement; κ = 0.55-0.62, P < 0.01) and had a strong, imperfect ability to discriminate between persons retained and not retained in care by REB (C statistic: C = 0.81, P < 0.05). As a proxy for REB, RLB had a sensitivity and specificity of 84% and 77%, respectively, with misclassification error of 18%.
© The Author 2015. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
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12 MeSH Terms
Penicillin allergy label persists despite negative testing.
Gerace KS, Phillips E
(2015) J Allergy Clin Immunol Pract 3: 815-6
MeSH Terms: Allergens, Bacterial Infections, Cross Reactions, Drug Hypersensitivity, Drug Labeling, Electronic Health Records, Humans, Patient Compliance, Penicillins, Skin Tests
Added March 30, 2020
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MeSH Terms
Feasibility and Safety of Intradialysis Yoga and Education in Maintenance Hemodialysis Patients.
Birdee GS, Rothman RL, Sohl SJ, Wertenbaker D, Wheeler A, Bossart C, Balasire O, Ikizler TA
(2015) J Ren Nutr 25: 445-53
MeSH Terms: Adult, Body Mass Index, Body Weight, Feasibility Studies, Female, Follow-Up Studies, Humans, Kidney Failure, Chronic, Male, Middle Aged, Patient Compliance, Patient Education as Topic, Pilot Projects, Quality of Life, Renal Dialysis, Sedentary Behavior, Surveys and Questionnaires, Yoga
Show Abstract · Added May 17, 2015
OBJECTIVE - Patients with end-stage renal disease on maintenance hemodialysis are much more sedentary than healthy individuals. The purpose of this study was to assess the feasibility and safety of a 12-week intradialysis yoga intervention versus a kidney education intervention on the promotion of physical activity.
DESIGN AND METHODS - We randomized participants by dialysis shift to either 12-week intradialysis yoga or an educational intervention. Intradialysis yoga was provided by yoga teachers to participants while receiving hemodialysis. Participants receiving the 12-week educational intervention received a modification of a previously developed comprehensive educational program for patients with kidney disease (Kidney School). The primary outcome for this study was feasibility based on recruitment and adherence to the interventions and safety of intradialysis yoga. Secondary outcomes were to determine the feasibility of administering questionnaires at baseline and 12 weeks including the Kidney Disease-Related Quality of Life-36.
RESULTS - Among 56 eligible patients who approached for the study, 31 (55%) were interested and consented to participation, with 18 assigned to intradialysis yoga and 13 to the educational program. A total of 5 participants withdrew from the pilot study, all from the intradialysis yoga group. Two of these participants reported no further interest in participation. Three withdrawn participants switched dialysis times and therefore could no longer receive intradialysis yoga. As a result, 13 of 18 (72%) and 13 of 13 (100%) participants completed 12-week intradialysis yoga and educational programs, respectively. There were no adverse events related to intradialysis yoga. Intervention participants practiced yoga for a median of 21 sessions (70% participation frequency), with 60% of participants practicing at least 2 times a week. Participants in the educational program completed a median of 30 sessions (83% participation frequency). Of participants who completed the study (n = 26), baseline and 12-week questionnaires were obtained from 85%.
CONCLUSIONS - Our pilot study of 12-week intradialysis yoga and 12-week educational intervention reached recruitment goals but with less than targeted completion and adherence to intervention rates. This study provided valuable feasibility data to increase follow-up and adherence for future clinical trials to compare efficacy.
Copyright © 2015 National Kidney Foundation, Inc. Published by Elsevier Inc. All rights reserved.
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2 Members
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18 MeSH Terms
Case report: patient portal versus telephone recruitment for a surgical research study.
Baucom RB, Ousley J, Poulose BK, Rosenbloom ST, Jackson GP
(2014) Appl Clin Inform 5: 1005-14
MeSH Terms: Electronic Health Records, Female, Follow-Up Studies, Hernia, Ventral, Humans, Internet, Male, Middle Aged, Patient Compliance, Patient Selection, Recurrence, Telephone, Treatment Outcome
Show Abstract · Added January 26, 2016
BACKGROUND - Patient portal adoption has rapidly increased over the last decade. Most patient portal research has been done in primary care or medical specialties, and few studies have examined their use in surgical patients or for recruiting research subjects. No known studies have compared portal messaging with other approaches of recruitment.
OBJECTIVES - This case report describes our experience with patient portal versus telephone recruitment for a study involving long-term follow up of surgical patients.
METHODS - Participants were recruited for a study of recurrence after ventral hernia repair through telephone calls and patient portal messaging based on registration status with the portal. Potential subjects who did not have a portal account or whose portal messages were returned after 5 days were called. The proportion of participants enrolled with each method was determined and demographics of eligible patients, portal users, and participants were compared.
RESULTS - 1359 patients were eligible for the hernia study, and enrollment was 35% (n=465). Most participants were recruited by telephone (84%, n=391); 16% (n=74) were recruited through portal messaging. Forty-four percent of eligible participants had a registered portal account, and 14% of users responded to the recruitment message. Portal users were younger than non-users (55 vs. 58 years, p<0.001); participants recruited through the portal versus telephone were also younger (54 vs. 59 years, p=0.001). Differences in the sex and racial distributions between users and non-users and between portal and telephone recruits were not significant.
CONCLUSIONS - Portal versus telephone recruitment for a surgical research study demonstrated modest portal recruitment rates and similar demographics between recruitment methods. Published studies of portal-only recruitment in primary care or medical-specialty patient populations have demonstrated higher enrollment rates, but this case study demonstrates that portal recruitment for research studies in the surgical population is feasible, and it offers convenience to patients and researchers.
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13 MeSH Terms
Health numeracy: perspectives about using numbers in health management from African American patients receiving dialysis.
Wright Nunes JA, Osborn CY, Ikizler TA, Cavanaugh KL
(2015) Hemodial Int 19: 287-95
MeSH Terms: Adult, African Americans, Aged, Female, Health Literacy, Humans, Kidney Diseases, Male, Middle Aged, Patient Compliance, Renal Dialysis
Show Abstract · Added November 5, 2014
Health numeracy is linked to important clinical outcomes. Kidney disease management relies heavily on patient numeracy skills across the continuum of kidney disease care. Little data are available eliciting stakeholder perspectives from patients receiving dialysis about the construct of health numeracy. Using focus groups, we asked patients receiving hemodialysis open-ended questions to identify facilitators and barriers to their understanding, interpretation, and application of numeric information in kidney care. Transcripts were analyzed using content analysis. Twelve patients participated with a mean (standard deviation) age of 56 (12) years. All were African American, 50% were women, and 83% had an annual income <$20,000/year. Although patients felt numbers were critical to every aspect in life, they noted several barriers to understanding, interpreting and applying quantitative information specifically to manage their health. Low patient self-efficacy related to health numeracy and limited patient-provider communication about quantitatively based feedback, were emphasized as key barriers. Through focus groups of key patient stakeholders we identified important modifiable barriers to effective kidney care. Additional research is needed to develop tools that support numeracy-sensitive education and communication interventions in dialysis.
© 2014 International Society for Hemodialysis.
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11 MeSH Terms