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Newman RB, Stevens DR, Hunt KJ, Grobman WA, Owen J, Sciscione A, Wapner RJ, Skupski D, Chien EK, Wing DA, Ranzini AC, Porto M, Grantz KL. Fetal Growth Biometry as Predictors of Shoulder Dystocia in a Low-Risk Obstetrical Population. Am J Perinatol 2024; 41:891-901. [PMID: 35240706 PMCID: PMC9627645 DOI: 10.1055/a-1787-6991] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 01/01/2023]
Abstract
OBJECTIVE This study aimed to evaluate fetal biometrics as predictors of shoulder dystocia (SD) in a low-risk obstetrical population. STUDY DESIGN Participants were enrolled as part of a U.S.-based prospective cohort study of fetal growth in low-risk singleton gestations (n = 2,802). Eligible women had liveborn singletons ≥2,500 g delivered vaginally. Sociodemographic, anthropometric, and pregnancy outcome data were abstracted by research staff. The diagnosis of SD was based on the recorded clinical impression of the delivering physician. Simple logistic regression models were used to examine associations between fetal biometrics and SD. Fetal biometric cut points, selected by Youden's J and clinical determination, were identified to optimize predictive capability. A final model for SD prediction was constructed using backward selection. Our dataset was randomly divided into training (60%) and test (40%) datasets for model building and internal validation. RESULTS A total of 1,691 women (98.7%) had an uncomplicated vaginal delivery, while 23 (1.3%) experienced SD. There were no differences in sociodemographic or maternal anthropometrics between groups. Epidural anesthesia use was significantly more common (100 vs. 82.4%; p = 0.03) among women who experienced SD compared with those who did not. Amniotic fluid maximal vertical pocket was also significantly greater among SD cases (5.8 ± 1.7 vs. 5.1 ± 1.5 cm; odds ratio = 1.32 [95% confidence interval: 1.03,1.69]). Several fetal biometric measures were significantly associated with SD when dichotomized based on clinically selected cut-off points. A final prediction model was internally valid with an area under the curve of 0.90 (95% confidence interval: 0.81, 0.99). At a model probability of 1%, sensitivity (71.4%), specificity (77.5%), positive (3.5%), and negative predictive values (99.6%) did not indicate the ability of the model to predict SD in a clinically meaningful way. CONCLUSION Other than epidural anesthesia use, neither sociodemographic nor maternal anthropometrics were significantly associated with SD in this low-risk population. Both individually and in combination, fetal biometrics had limited ability to predict SD and lack clinical usefulness. KEY POINTS · SD unpredictable in low-risk women.. · Fetal biometry does not reliably predict SD.. · Epidural use associated with increased SD risk.. · SD prediction models clinically inefficient..
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Affiliation(s)
- Roger B. Newman
- Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina
| | - Danielle R. Stevens
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - William A. Grobman
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - John Owen
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Anthony Sciscione
- Department of Obstetrics and Gynecology, Christiana Health Care Center, Wilmington, Delaware
| | - Ronald J. Wapner
- Department of Obstetrics and Gynecology, Columbia University Medical Center, New York, New York
| | - Daniel Skupski
- Department of Obstetrics and Gynecology, New York Presbyterian Queens, Flushing, New York
| | - Edward K. Chien
- Department of Obstetrics and Gynecology, Case Western Reserve University, Metro Health Medical Center, Cleveland, Ohio
| | - Deborah A. Wing
- Department of Obstetrics and Gynecology, University of California, Irvine; Orange, California
- Department of Obstetrics and Gynecology, Fountain Valley Regional Hospital and Medical Center, Fountain Valley, California
| | - Angela C. Ranzini
- Department of Obstetrics and Gynecology, Case Western Reserve University, Metro Health Medical Center, Cleveland, Ohio
- Department of Obstetrics and Gynecology, Saint Peter’s University Hospital, New Brunswick, New Jersey
| | - Manuel Porto
- Department of Obstetrics and Gynecology, University of California, Irvine; Orange, California
| | - Katherine L. Grantz
- Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
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Chundru KJ, Korte JE, Wen CC, Neelon B, Wilson DA, Mateus J, Pearce JL, Alkis M, Finneran M, Simpson S, Florez H, Hunt KJ, Malek AM. Increasing Preterm Delivery and Small for Gestational Age Trends in South Carolina during the COVID-19 Pandemic. Int J Environ Res Public Health 2024; 21:465. [PMID: 38673376 PMCID: PMC11050409 DOI: 10.3390/ijerph21040465] [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] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/03/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024]
Abstract
Preterm delivery (PTD) complications are a major cause of childhood morbidity and mortality. We aimed to assess trends in PTD and small for gestational age (SGA) and whether trends varied between race-ethnic groups in South Carolina (SC). We utilized 2015-2021 SC vital records linked to hospitalization and emergency department records. PTD was defined as clinically estimated gestation less than (<) 37 weeks (wks.) with subgroup analyses of PTD < 34 wks. and < 28 wks. SGA was defined as infants weighing below the 10th percentile for gestational age. This retrospective study included 338,532 (243,010 before the COVID-19 pandemic and 95,522 during the pandemic) live singleton births of gestational age ≥ 20 wks. born to 260,276 mothers in SC. Generalized estimating equations and a change-point during the first quarter of 2020 helped to assess trends. In unadjusted analyses, pre-pandemic PTD showed an increasing trend that continued during the pandemic (relative risk (RR) = 1.04, 95% CI: 1.02-1.06). PTD < 34 wks. rose during the pandemic (RR = 1.07, 95% CI: 1.02-1.12) with a significant change in the slope. Trends in SGA varied by race and ethnicity, increasing only in Hispanics (RR = 1.02, 95% CI: 1.00-1.04) before the pandemic. Our study reveals an increasing prevalence of PTD and a rise in PTD < 34 wks. during the pandemic, as well as an increasing prevalence of SGA in Hispanics during the study period.
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Affiliation(s)
- Kalyan J. Chundru
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Jeffrey E. Korte
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Chun-Che Wen
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Brian Neelon
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
- Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, SC 29401, USA
| | - Dulaney A. Wilson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Julio Mateus
- Department of Obstetrics & Gynecology, Maternal-Fetal Medicine Division, Atrium Health, Charlotte, NC 28204, USA
| | - John L. Pearce
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Mallory Alkis
- Department of Obstetrics & Gynecology, College of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Matthew Finneran
- Department of Obstetrics & Gynecology, College of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Sarah Simpson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Hermes Florez
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
- Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, SC 29401, USA
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
- Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, SC 29401, USA
| | - Angela M. Malek
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
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Allen CG, Hunt KJ, McMahon LL, Thornhill C, Jackson A, Clark JT, Kirchoff K, Garrison KL, Foil K, Malphrus L, Norman S, Ramos PS, Perritt K, Brown C, Lenert L, Judge DP. Using implementation science to evaluate a population-wide genomic screening program: Findings from the first 20,000 In Our DNA SC participants. Am J Hum Genet 2024; 111:433-444. [PMID: 38307026 PMCID: PMC10940017 DOI: 10.1016/j.ajhg.2024.01.004] [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] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 01/04/2024] [Accepted: 01/04/2024] [Indexed: 02/04/2024] Open
Abstract
We use the implementation science framework RE-AIM (reach, effectiveness, adoption, implementation, and maintenance) to describe outcomes of In Our DNA SC, a population-wide genomic screening (PWGS) program. In Our DNA SC involves participation through clinical appointments, community events, or at home collection. Participants provide a saliva sample that is sequenced by Helix, and those with a pathogenic variant or likely pathogenic variant for CDC Tier 1 conditions are offered free genetic counseling. We assessed key outcomes among the first cohort of individuals recruited. Over 14 months, 20,478 participants enrolled, and 14,053 samples were collected. The majority selected at-home sample collection followed by clinical sample collection and collection at community events. Participants were predominately female, White (self-identified), non-Hispanic, and between the ages of 40-49. Participants enrolled through community events were the most racially diverse and the youngest. Half of those enrolled completed the program. We identified 137 individuals with pathogenic or likely pathogenic variants for CDC Tier 1 conditions. The majority (77.4%) agreed to genetic counseling, and of those that agreed, 80.2% completed counseling. Twelve clinics participated, and we conducted 108 collection events. Participants enrolled at home were most likely to return their sample for sequencing. Through this evaluation, we identified facilitators and barriers to implementation of our state-wide PWGS program. Standardized reporting using implementation science frameworks can help generalize strategies and improve the impact of PWGS.
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Affiliation(s)
| | - Kelly J Hunt
- Medical University of South Carolina, Charleston, SC, USA
| | - Lori L McMahon
- Medical University of South Carolina, Charleston, SC, USA
| | - Clay Thornhill
- Medical University of South Carolina, Charleston, SC, USA
| | - Amy Jackson
- Medical University of South Carolina, Charleston, SC, USA
| | - John T Clark
- Medical University of South Carolina, Charleston, SC, USA
| | - Katie Kirchoff
- Medical University of South Carolina, Charleston, SC, USA
| | | | - Kimberly Foil
- Medical University of South Carolina, Charleston, SC, USA
| | - Libby Malphrus
- Medical University of South Carolina, Charleston, SC, USA
| | | | - Paula S Ramos
- Medical University of South Carolina, Charleston, SC, USA
| | - Kelly Perritt
- Medical University of South Carolina, Charleston, SC, USA
| | - Caroline Brown
- Medical University of South Carolina, Charleston, SC, USA
| | - Leslie Lenert
- Medical University of South Carolina, Charleston, SC, USA
| | - Daniel P Judge
- Medical University of South Carolina, Charleston, SC, USA
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Wilson DA, Mateus J, Ash E, Turan TN, Hunt KJ, Malek AM. The Association of Hypertensive Disorders of Pregnancy with Infant Mortality, Preterm Delivery, and Small for Gestational Age. Healthcare (Basel) 2024; 12:597. [PMID: 38470708 PMCID: PMC10931061 DOI: 10.3390/healthcare12050597] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/25/2024] [Accepted: 03/02/2024] [Indexed: 03/14/2024] Open
Abstract
Gestational hypertension, preeclampsia, eclampsia, and chronic hypertension (CHTN) are associated with adverse infant outcomes and disproportionately affect minoritized race/ethnicity groups. We evaluated the relationships between hypertensive disorders of pregnancy (HDP) and/or CHTN with infant mortality, preterm delivery (PTD), and small for gestational age (SGA) in a statewide cohort with a diverse racial/ethnic population. All live, singleton deliveries in South Carolina (2004-2016) to mothers aged 12-49 were evaluated for adverse outcomes: infant mortality, PTD (20 to less than <37 weeks) and SGA (<10th birthweight-for-gestational-age percentile). Logistic regression models adjusted for sociodemographic, behavioral, and clinical characteristics. In 666,905 deliveries, mothers had superimposed preeclampsia (HDP + CHTN; 1.0%), HDP alone (8.0%), CHTN alone (1.8%), or no hypertension (89.1%). Infant mortality risk was significantly higher in deliveries to women with superimposed preeclampsia, HDP, and CHTN compared with no hypertension (relative risk [RR] = 1.79, 1.39, and 1.48, respectively). After accounting for differing risk by race/ethnicity, deliveries to women with HDP and/or CHTN were more likely to result in PTD (RRs ranged from 3.14 to 5.25) or SGA (RRs ranged from 1.67 to 3.64). As CHTN, HDP and superimposed preeclampsia confer higher risk of adverse outcomes, prevention efforts should involve encouraging and supporting mothers in mitigating modifiable cardiovascular risk factors.
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Affiliation(s)
- Dulaney A. Wilson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (E.A.); (K.J.H.); (A.M.M.)
| | - Julio Mateus
- Department of Obstetrics & Gynecology, Maternal-Fetal Medicine Division, Atrium Health, Charlotte, NC 28204, USA
| | - Emily Ash
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (E.A.); (K.J.H.); (A.M.M.)
| | - Tanya N. Turan
- Department of Neurology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (E.A.); (K.J.H.); (A.M.M.)
| | - Angela M. Malek
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (E.A.); (K.J.H.); (A.M.M.)
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Lopes-Virella MF, Hammad SM, Baker NL, Klein RL, Hunt KJ. Circulating Lipoprotein Sphingolipids in Chronic Kidney Disease with and without Diabetes. Biomedicines 2024; 12:190. [PMID: 38255295 PMCID: PMC10813484 DOI: 10.3390/biomedicines12010190] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/25/2023] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Abnormalities of sphingolipid metabolism play an important role in diabetes. We compared sphingolipid levels in plasma and in isolated lipoproteins between healthy control subjects and two groups of patients, one with chronic kidney disease without diabetes (ND-CKD), and the other with type 2 diabetes and macroalbuminuria (D-MA). Ceramides, sphingomyelins, and sphingoid bases and their phosphates in LDL were higher in ND-CKD and in D-MA patients compared to controls. However, ceramides and sphingoid bases in HDL2 and HDL3 were lower in ND-CKD and in D-MA patients than in controls. Sphingomyelins in HDL2 and HDL3 were lower in D-MA patients than in controls but were normal in ND-CKD patients. Compared to controls, lactosylceramides in LDL and VLDL were higher in ND-CKD patients but not in D-MA patients. However, lactosylceramides in HDL2 and HDL3 were lower in both ND-CKD and D-MA patients than in controls. Plasma hexosylceramides in ND-CKD patients were increased and sphingoid bases decreased in both ND-CKD and D-MA patients. However, hexosylceramides in LDL, HDL2, and HDL3 were higher in ND-CKD patients than in controls. In D-MA patients, only C16:0 hexosylceramide in LDL was higher than in controls. The data suggest that sphingolipid measurement in lipoproteins, rather than in whole plasma, is crucial to decipher the role of sphingolipids in kidney disease.
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Affiliation(s)
- Maria F. Lopes-Virella
- Department of Medicine, Division of Diabetes, Endocrinology and Medical Genetics, Medical University of South Carolina, Charleston, SC 29425, USA
- Ralph H. Johnson VA Medical Center, Charleston, SC 29401, USA;
| | - Samar M. Hammad
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Nathaniel L. Baker
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA;
| | - Richard L. Klein
- Department of Medicine, Division of Diabetes, Endocrinology and Medical Genetics, Medical University of South Carolina, Charleston, SC 29425, USA
- Ralph H. Johnson VA Medical Center, Charleston, SC 29401, USA;
| | - Kelly J. Hunt
- Ralph H. Johnson VA Medical Center, Charleston, SC 29401, USA;
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA;
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Malek AM, Wilson DA, Turan TN, Mateus J, Lackland DT, Hunt KJ. Hypertensive Disorders of Pregnancy and Pre-Pregnancy Hypertension with Subsequent Incident Venous Thromboembolic Events. Int J Environ Res Public Health 2024; 21:89. [PMID: 38248552 PMCID: PMC10815509 DOI: 10.3390/ijerph21010089] [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] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/18/2023] [Accepted: 01/10/2024] [Indexed: 01/23/2024]
Abstract
Hypertensive disorders of pregnancy (HDP) and pre-pregnancy hypertension contribute to maternal morbidity and mortality. We examined the association of HDP and pre-pregnancy hypertension with subsequent venous thromboembolic (VTE) events. The retrospective cohort study included 444,859 women with ≥1 live, singleton birth in South Carolina (2004-2016). Hospital and emergency department visit and death certificate data defined incident VTE, HDP, and pre-pregnancy hypertension. Birth certificate data also defined the exposures. Adjusted Cox proportional hazards methods modeled VTE events risk. Of the cohort, 2.6% of women had pre-pregnancy hypertension, 5.8% had HDP, 2.8% had both pre-pregnancy hypertension and HDP (both conditions), and 88.8% had neither condition. The risk of incident VTE events within one year of delivery was higher in women with HDP (hazard ratio [HR] = 1.62, 95% confidence interval [CI]: 1.15-2.29) and both conditions (HR = 2.32, 95% CI: 1.60-3.35) compared to those with neither condition as was the risk within five years for women with HDP (HR = 1.35, 95% CI: 1.13-1.60) and for women with both conditions (HR = 1.82, 95% CI: 1.50-2.20). One- and five-year risks did not differ in women with pre-pregnancy hypertension compared to women with neither condition. Compared to non-Hispanic White (NHW) women with neither condition, the incident VTE event risk was elevated within five years of delivery for NHW (HR = 1.29, 95% CI: 1.02-1.63; HR = 1.59, 95% CI: 1.16-2.17) and non-Hispanic Black (NHB; HR = 1.51, 95% CI: 1.16-2.96; HR = 2.08, 95% CI: 1.62-2.66) women with HDP and with both conditions, respectively, and for NHB women with pre-pregnancy hypertension (HR = 1.50, 95% CI: 1.09-2.07). VTE event risk was highest in women with HDP, and the event rates were higher in NHB women than in NHW women in the same exposure group.
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Affiliation(s)
- Angela M. Malek
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Dulaney A. Wilson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Tanya N. Turan
- Department of Neurology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Julio Mateus
- Atrium Health, Department of Obstetrics & Gynecology, Maternal-Fetal Medicine Division, Charlotte, NC 28204, USA
| | - Daniel T. Lackland
- Department of Neurology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
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Wang Z, Zhang C, Williams PL, Bellavia A, Wylie BJ, Kannan K, Bloom MS, Hunt KJ, James-Todd T. Racial and ethnic disparities in preterm birth: a mediation analysis incorporating mixtures of polybrominated diphenyl ethers. Front Reprod Health 2024; 5:1285444. [PMID: 38260052 PMCID: PMC10800537 DOI: 10.3389/frph.2023.1285444] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 12/12/2023] [Indexed: 01/24/2024] Open
Abstract
Background Racial and ethnic disparities persist in preterm birth (PTB) and gestational age (GA) at delivery in the United States. It remains unclear whether exposure to environmental chemicals contributes to these disparities. Objectives We applied recent methodologies incorporating environmental mixtures as mediators in causal mediation analysis to examine whether racial and ethnic disparities in GA at delivery and PTB may be partially explained by exposures to polybrominated diphenyl ethers (PBDEs), a class of chemicals used as flame retardants in the United States. Methods Data from a multiracial/ethnic US cohort of 2008 individuals with low-risk singleton pregnancies were utilized, with plasma PBDE concentrations measured during early pregnancy. We performed mediation analyses incorporating three forms of mediators: (1) reducing all PBDEs to a weighted index, (2) selecting a PBDE congener, or (3) including all congeners simultaneously as multiple mediators, to evaluate whether PBDEs may contribute to the racial and ethnic disparities in PTB and GA at delivery, adjusted for potential confounders. Results Among the 2008 participants, 552 self-identified as non-Hispanic White, 504 self-identified as non-Hispanic Black, 568 self-identified as Hispanic, and 384 self-identified as Asian/Pacific Islander. The non-Hispanic Black individuals had the highest mean ∑PBDEs, the shortest mean GA at delivery, and the highest rate of PTB. Overall, the difference in GA at delivery comparing non-Hispanic Black to non-Hispanic White women was -0.30 (95% CI: -0.54, -0.05) weeks. This disparity reduced to -0.23 (95% CI: -0.49, 0.02) and -0.18 (95% CI: -0.46, 0.10) weeks if fixing everyone's weighted index of PBDEs to the median and the 25th percentile levels, respectively. The proportion of disparity mediated by the weighted index of PBDEs was 11.8%. No statistically significant mediation was found for PTB, other forms of mediator(s), or other racial and ethnic groups. Conclusion PBDE mixtures may partially mediate the Black vs. White disparity in GA at delivery. While further validations are needed, lowering the PBDEs at the population level might help reduce this disparity.
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Affiliation(s)
- Zifan Wang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Cuilin Zhang
- Global Center for Asian Women’s Health, Bia-Echo Asia Centre for Reproductive Longevity & Equality (ACRLE), NUS Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Obstetrics & Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Paige L. Williams
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Andrea Bellavia
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Blair J. Wylie
- Department of Obstetrics and Gynecology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States
| | | | - Michael S. Bloom
- Department of Global and Community Health, George Mason University, Fairfax, VA, United States
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, United States
| | - Tamarra James-Todd
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
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Arif E, Medunjanin D, Solanki A, Zuo X, Su Y, Dang Y, Winkler B, Lerner K, Kamal AI, Palygin O, Cornier MA, Wolf BJ, Hunt KJ, Lipschutz JH. β 2-Adrenergic receptor agonists as a treatment for diabetic kidney disease. Am J Physiol Renal Physiol 2024; 326:F20-F29. [PMID: 37916289 DOI: 10.1152/ajprenal.00254.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 08/22/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 11/03/2023] Open
Abstract
We have previously shown that the long-acting β2-adrenergic receptor (β2-AR) agonist formoterol induced recovery from acute kidney injury in mice. To determine whether formoterol protected against diabetic nephropathy, the most common cause of end-stage kidney disease (ESKD), we used a high-fat diet (HFD), a murine type 2 diabetes model, and streptozotocin, a murine type 1 diabetes model. Following formoterol treatment, there was a marked recovery from and reversal of diabetic nephropathy in HFD mice compared with those treated with vehicle alone at the ultrastructural, histological, and functional levels. Similar results were seen after formoterol treatment in mice receiving streptozotocin. To investigate effects in humans, we performed a competing risk regression analysis with death as a competing risk to examine the association between Veterans with chronic kidney disease (CKD) and chronic obstructive pulmonary disease (COPD), who use β2-AR agonists, and Veterans with CKD but no COPD, and progression to ESKD in a large national cohort of Veterans with stage 4 CKD between 2011 and 2013. Veterans were followed until 2016 or death. ESKD was defined as the initiation of dialysis and/or receipt of kidney transplant. We found that COPD was associated with a 25.6% reduction in progression from stage 4 CKD to ESKD compared with no COPD after adjusting for age, diabetes, sex, race-ethnicity, comorbidities, and medication use. Sensitivity analysis showed a 33.2% reduction in ESKD in Veterans with COPD taking long-acting formoterol and a 20.8% reduction in ESKD in Veterans taking other β2-AR agonists compared with those with no COPD. These data indicate that β2-AR agonists, especially formoterol, could be a treatment for diabetic nephropathy and perhaps other forms of CKD.NEW & NOTEWORTHY Diabetic nephropathy is the most common cause of ESKD. Formoterol, a long-acting β2-adrenergic receptor (β2-AR) agonist, reversed diabetic nephropathy in murine models of type 1 and 2 diabetes. In humans, there was an association with protection from progression of CKD in patients with COPD, by means of β2-AR agonist intake, compared with those without COPD. These data indicate that β2-AR agonists, especially formoterol, could be a new treatment for diabetic nephropathy and other forms of CKD.
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Affiliation(s)
- Ehtesham Arif
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Danira Medunjanin
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, United States
- Charleston Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina, United States
| | - Ashish Solanki
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Xiaofeng Zuo
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Yanhui Su
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Yujing Dang
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Brennan Winkler
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Kasey Lerner
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Ahmed I Kamal
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Oleg Palygin
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Marc-Andre Cornier
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Bethany J Wolf
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, United States
| | - Kelly J Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, United States
- Charleston Health Equity and Rural Outreach Innovation Center, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina, United States
| | - Joshua H Lipschutz
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, United States
- Department of Medicine, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina, United States
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Allen CG, Sterba K, Norman S, Jackson A, Hunt KJ, McMahon L, Judge DP. Use of a multi-phased approach to identify and address facilitators and barriers to the implementation of a population-wide genomic screening program. Implement Sci Commun 2023; 4:122. [PMID: 37821977 PMCID: PMC10566189 DOI: 10.1186/s43058-023-00500-9] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 09/06/2023] [Indexed: 10/13/2023] Open
Abstract
INTRODUCTION Population-wide genomic screening for CDC Tier-1 conditions offers the ability to identify the 1-2% of the US population at increased risk for Hereditary Breast and Ovarian Cancer, Lynch Syndrome, and Familial Hypercholesterolemia. Implementation of population-wide screening programs is highly complex, requiring engagement of diverse collaborators and implementation teams. Implementation science offers tools to promote integration of these programs through the identification of determinants of success and strategies to address potential barriers. METHODS Prior to launching the program, we conducted a pre-implementation survey to assess anticipated barriers and facilitators to reach, effectiveness, adoption, implementation, and maintenance (RE-AIM), among 51 work group members (phase 1). During the first year of program implementation, we completed coding of 40 work group meetings guided by the Consolidated Framework for Implementation Research (CFIR) (phase 2). We matched the top barriers to implementation strategies identified during phase 2 using the CFIR-ERIC (Expert Recommendation for Implementing Change) matching tool. RESULTS Staffing and workload concerns were listed as the top barrier in the pre-implementation phase of the program. Top barriers during implementation included adaptability (n = 8, 20%), complexity (n = 14, 35%), patient needs and resources (n = 9, 22.5%), compatibility (n = 11, 27.5%), and self-efficacy (n = 9, 22.5%). We identified 16 potential implementation strategies across six ERIC clusters to address these barriers and operationalized these strategies for our specific setting and program needs. CONCLUSION Our findings provide an example of successful use of the CFIR-ERIC tool to guide implementation of a population-wide genomic screening program.
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Affiliation(s)
- Caitlin G Allen
- Department of Public Health Science, College of Medicine, Medical University of South Carolina, Charleston, SC, USA.
| | - Katherine Sterba
- Department of Public Health Science, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Samantha Norman
- In Our DNA SC, Medical University of South Carolina, Charleston, SC, USA
| | - Amy Jackson
- In Our DNA SC, Medical University of South Carolina, Charleston, SC, USA
| | - Kelly J Hunt
- Department of Public Health Science, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Lori McMahon
- Research Office, Medical University of South Carolina, Charleston, SC, USA
| | - Daniel P Judge
- In Our DNA SC, Medical University of South Carolina, Charleston, SC, USA
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Kaptoge S, Seshasai SRK, Sun L, Walker M, Bolton T, Spackman S, Ataklte F, Willeit P, Bell S, Burgess S, Pennells L, Altay S, Assmann G, Ben-Shlomo Y, Best LG, Björkelund C, Blazer DG, Brenner H, Brunner EJ, Dagenais GR, Cooper JA, Cooper C, Crespo CJ, Cushman M, D'Agostino RB, Daimon M, Daniels LB, Danker R, Davidson KW, de Jongh RT, Donfrancesco C, Ducimetiere P, Elders PJM, Engström G, Ford I, Gallacher I, Bakker SJL, Goldbourt U, de La Cámara G, Grimsgaard S, Gudnason V, Hansson PO, Imano H, Jukema JW, Kabrhel C, Kauhanen J, Kavousi M, Kiechl S, Knuiman MW, Kromhout D, Krumholz HM, Kuller LH, Laatikainen T, Lowler DA, Meyer HE, Mukamal K, Nietert PJ, Ninomiya T, Nitsch D, Nordestgaard BG, Palmieri L, Price JF, Ridker PM, Sun Q, Rosengren A, Roussel R, Sakurai M, Salomaa V, Schöttker B, Shaw JE, Strandberg TE, Sundström J, Tolonen H, Tverdal A, Verschuren WMM, Völzke H, Wagenknecht L, Wallace RB, Wannamethee SG, Wareham NJ, Wassertheil-Smoller S, Yamagishi K, Yeap BB, Harrison S, Inouye M, Griffin S, Butterworth AS, Wood AM, Thompson SG, Sattar N, Danesh J, Di Angelantonio E, Tipping RW, Russell S, Johansen M, Bancks MP, Mongraw-Chaffin M, Magliano D, Barr ELM, Zimmet PZ, Knuiman MW, Whincup PH, Willeit J, Willeit P, Leitner C, Lawlor DA, Ben-Shlomo Y, Elwood P, Sutherland SE, Hunt KJ, Cushman M, Selmer RM, Haheim LL, Ariansen I, Tybjaer-Hansen A, Frikkle-Schmidt R, Langsted A, Donfrancesco C, Lo Noce C, Balkau B, Bonnet F, Fumeron F, Pablos DL, Ferro CR, Morales TG, Mclachlan S, Guralnik J, Khaw KT, Brenner H, Holleczek B, Stocker H, Nissinen A, Palmieri L, Vartiainen E, Jousilahti P, Harald K, Massaro JM, Pencina M, Lyass A, Susa S, Oizumi T, Kayama T, Chetrit A, Roth J, Orenstein L, Welin L, Svärdsudd K, Lissner L, Hange D, Mehlig K, Salomaa V, Tilvis RS, Dennison E, Cooper C, Westbury L, Norman PE, Almeida OP, Hankey GJ, Hata J, Shibata M, Furuta Y, Bom MT, Rutters F, Muilwijk M, Kraft P, Lindstrom S, Turman C, Kiyama M, Kitamura A, Yamagishi K, Gerber Y, Laatikainen T, Salonen JT, van Schoor LN, van Zutphen EM, Verschuren WMM, Engström G, Melander O, Psaty BM, Blaha M, de Boer IH, Kronmal RA, Sattar N, Rosengren A, Nitsch D, Grandits G, Tverdal A, Shin HC, Albertorio JR, Gillum RF, Hu FB, Cooper JA, Humphries S, Hill- Briggs F, Vrany E, Butler M, Schwartz JE, Kiyama M, Kitamura A, Iso H, Amouyel P, Arveiler D, Ferrieres J, Gansevoort RT, de Boer R, Kieneker L, Crespo CJ, Assmann G, Trompet S, Kearney P, Cantin B, Després JP, Lamarche B, Laughlin G, McEvoy L, Aspelund T, Thorsson B, Sigurdsson G, Tilly M, Ikram MA, Dorr M, Schipf S, Völzke H, Fretts AM, Umans JG, Ali T, Shara N, Davey-Smith G, Can G, Yüksel H, Özkan U, Nakagawa H, Morikawa Y, Ishizaki M, Njølstad I, Wilsgaard T, Mathiesen E, Sundström J, Buring J, Cook N, Arndt V, Rothenbacher D, Manson J, Tinker L, Shipley M, Tabak AG, Kivimaki M, Packard C, Robertson M, Feskens E, Geleijnse M, Kromhout D. Life expectancy associated with different ages at diagnosis of type 2 diabetes in high-income countries: 23 million person-years of observation. Lancet Diabetes Endocrinol 2023; 11:731-742. [PMID: 37708900 PMCID: PMC7615299 DOI: 10.1016/s2213-8587(23)00223-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 09/16/2023]
Abstract
BACKGROUND The prevalence of type 2 diabetes is increasing rapidly, particularly among younger age groups. Estimates suggest that people with diabetes die, on average, 6 years earlier than people without diabetes. We aimed to provide reliable estimates of the associations between age at diagnosis of diabetes and all-cause mortality, cause-specific mortality, and reductions in life expectancy. METHODS For this observational study, we conducted a combined analysis of individual-participant data from 19 high-income countries using two large-scale data sources: the Emerging Risk Factors Collaboration (96 cohorts, median baseline years 1961-2007, median latest follow-up years 1980-2013) and the UK Biobank (median baseline year 2006, median latest follow-up year 2020). We calculated age-adjusted and sex-adjusted hazard ratios (HRs) for all-cause mortality according to age at diagnosis of diabetes using data from 1 515 718 participants, in whom deaths were recorded during 23·1 million person-years of follow-up. We estimated cumulative survival by applying age-specific HRs to age-specific death rates from 2015 for the USA and the EU. FINDINGS For participants with diabetes, we observed a linear dose-response association between earlier age at diagnosis and higher risk of all-cause mortality compared with participants without diabetes. HRs were 2·69 (95% CI 2·43-2·97) when diagnosed at 30-39 years, 2·26 (2·08-2·45) at 40-49 years, 1·84 (1·72-1·97) at 50-59 years, 1·57 (1·47-1·67) at 60-69 years, and 1·39 (1·29-1·51) at 70 years and older. HRs per decade of earlier diagnosis were similar for men and women. Using death rates from the USA, a 50-year-old individual with diabetes died on average 14 years earlier when diagnosed aged 30 years, 10 years earlier when diagnosed aged 40 years, or 6 years earlier when diagnosed aged 50 years than an individual without diabetes. Using EU death rates, the corresponding estimates were 13, 9, or 5 years earlier. INTERPRETATION Every decade of earlier diagnosis of diabetes was associated with about 3-4 years of lower life expectancy, highlighting the need to develop and implement interventions that prevent or delay the onset of diabetes and to intensify the treatment of risk factors among young adults diagnosed with diabetes. FUNDING British Heart Foundation, Medical Research Council, National Institute for Health and Care Research, and Health Data Research UK.
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Davis M, Snider MJE, Hunt KJ, Medunjanin D, Neelon B, Maa AY. Geographic variation in diabetic retinopathy screening within the Veterans Health Administration. Prim Care Diabetes 2023; 17:429-435. [PMID: 37419770 DOI: 10.1016/j.pcd.2023.06.004] [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] [Received: 08/15/2022] [Revised: 06/03/2023] [Accepted: 06/06/2023] [Indexed: 07/09/2023]
Abstract
AIMS Diabetic retinopathy (DR) remains the leading cause of vision impairment among working-age adults in the United States. The Veterans Health Administration (VA) supplemented its DR screening efforts with teleretinal imaging in 2006. Despite its scale and longevity, no national data on the VA's screening program exists since 1998. Our objective was to determine the influence of geography on diabetic retinopathy screening adherence. METHODS Setting: VA national electronic medical records. STUDY POPULATION A national cohort of 940,654 veterans with diabetes (defined as two or more diabetes ICD-9 codes (250.xx)) without a history of DR. EXPOSURES 125 VA Medical Center catchment areas, demographics, comorbidity burden, mean HbA1c levels, medication use and adherence, as well as utilization and access metrics. MAIN OUTCOME MEASURE Screening for diabetic retinopathy within the VA medical system within a 2-year period. RESULTS Within a 2-year time frame 74 % of veterans without a history of DR received retinal screenings within the VA system. After adjustment for age, gender, race-ethnic group, service-connected disability, marital status, and the van Walraven Elixhauser comorbidity score, the prevalence of DR screening varied by VA catchment area with values ranging from 27 % to 86 %. These differences persisted after further adjusting for mean HbA1c level, medication use and adherence as well as utilization and access metrics. CONCLUSIONS The wide variability in DR screening across 125 VA catchment areas indicates the presence of unmeasured determinants of DR screening. These results are relevant to clinical decision making in DR screening resource allocation.
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Affiliation(s)
- Melanie Davis
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H. Johnson VA Medical Center, 109 Bee Street, Charleston, SC 29401, USA.
| | | | - Kelly J Hunt
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H. Johnson VA Medical Center, 109 Bee Street, Charleston, SC 29401, USA; Department of Public Health Sciences, Medical University of South Carolina, 135 Cannon Street, Charleston, SC, 29425, USA
| | - Danira Medunjanin
- Department of Public Health Sciences, Medical University of South Carolina, 135 Cannon Street, Charleston, SC, 29425, USA
| | - Brian Neelon
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H. Johnson VA Medical Center, 109 Bee Street, Charleston, SC 29401, USA; Department of Public Health Sciences, Medical University of South Carolina, 135 Cannon Street, Charleston, SC, 29425, USA
| | - April Y Maa
- Emory University School of Medicine, Atlanta, GA, 30322, USA; VISN 7, Regional Telehealth Services, Atlanta Veterans Affairs Medical Center, Atlanta, GA, 30033, USA
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Allen CG, Judge DP, Nietert PJ, Hunt KJ, Jackson A, Gallegos S, Sterba KR, Ramos PS, Melvin CL, Wager K, Catchpole K, Ford M, McMahon L, Lenert L. Anticipating adaptation: tracking the impact of planned and unplanned adaptations during the implementation of a complex population-based genomic screening program. Transl Behav Med 2023; 13:381-387. [PMID: 37084411 PMCID: PMC10255754 DOI: 10.1093/tbm/ibad006] [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] [Indexed: 04/23/2023] Open
Abstract
In 2021, the Medical University of South Carolina (MUSC) launched In Our DNA SC. This large-scale initiative will screen 100,000 individuals in South Carolina for three preventable hereditary conditions that impact approximately two million people in the USA but often go undetected. In anticipation of inevitable changes to the delivery of this complex initiative, we developed an approach to track and assess the impact of evaluate adaptations made during the pilot phase of program implementation. We used a modified version of the Framework for Reporting Adaptations and Modification-Enhanced (FRAME) and Adaptations to code adaptations made during the 3-month pilot phase of In Our DNA SC. Adaptations were documented in real-time using a REDCap database. We used segmented linear regression models to independently test three hypotheses about the impact of adaptations on program reach (rate of enrollment in the program, rate of messages viewed) and implementation (rate of samples collected) 7 days pre- and post-adaptation. Effectiveness was assessed using qualitative observations. Ten adaptations occurred during the pilot phase of program implementation. Most adaptations (60%) were designed to increase the number and type of patient contacted (reach). Adaptations were primarily made based on knowledge and experience (40%) or from quality improvement data (30%). Of the three adaptations designed to increase reach, shortening the recruitment message potential patients received significantly increased the average rate of invitations viewed by 7.3% (p = 0.0106). There was no effect of adaptations on implementation (number of DNA samples collected). Qualitative findings support improvement in effectiveness of the intervention after shortening the consent form and short-term positive impact on uptake of the intervention as measured by team member's participation. Our approach to tracking adaptations of In Our DNA SC allowed our team to quantify the utility of modifications, make decisions about pursuing the adaptation, and understand consequences of the change. Streamlining tools for tracking and responding to adaptations can help monitor the incremental impact of interventions to support continued learning and problem solving for complex interventions being delivered in health systems based on real-time data.
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Affiliation(s)
- Caitlin G Allen
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Daniel P Judge
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Paul J Nietert
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Kelly J Hunt
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Amy Jackson
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Sam Gallegos
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Katherine R Sterba
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Paula S Ramos
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Cathy L Melvin
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Karen Wager
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Ken Catchpole
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Marvella Ford
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Lori McMahon
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
| | - Leslie Lenert
- Medical University of South Carolina, 171 Ashley Avenue, Charleston, SC 29425, USA
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Alabi O, Beriwal S, Gallini JW, Cui X, Jasien C, Brewster L, Hunt KJ, Massarweh NN. Association of Health Care Utilization and Access to Care With Vascular Assessment Before Major Lower Extremity Amputation Among US Veterans. JAMA Surg 2023; 158:e230479. [PMID: 37074700 PMCID: PMC10116382 DOI: 10.1001/jamasurg.2023.0479] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 12/10/2022] [Indexed: 04/20/2023]
Abstract
Importance Patient-level characteristics alone do not account for variation in care among US veterans with peripheral artery disease (PAD). Presently, the extent to which health care utilization and regional practice variation are associated with veterans receiving vascular assessment prior to major lower extremity amputation (LEA) is unknown. Objective To assess whether demographics, comorbidities, distance to primary care, the number of ambulatory clinic visits (primary and medical specialty care), and geographic region are associated with receipt of vascular assessment prior to LEA. Design, Setting, and Participants This national cohort study used US Department of Veterans Affairs' Corporate Data Warehouse data from March 1, 2010, to February 28, 2020, for veterans aged 18 or older who underwent major LEA and who received care at Veterans Affairs facilities. Exposures The number of ambulatory clinic visits (primary and medical specialty care) in the year prior to LEA, geographic region of residence, and distance to primary care. Main Outcomes and Measures The main outcome was receipt of a vascular assessment (vascular imaging study or revascularization procedure) in the year prior to LEA. Results Among 19 396 veterans, the mean (SD) age was 66.78 (10.20) years and 98.5% were male. In the year prior to LEA, 8.0% had no primary care visits and 30.1% did not have a vascular assessment. Compared with veterans with 4 to 11 primary care clinic visits, those with fewer visits were less likely to receive vascular assessment in the year prior to LEA (1-3 visits: adjusted odds ratio [aOR], 0.90; 95% CI, 0.82-0.99). Compared with veterans who lived less than 13 miles from the closest primary care facility, those who lived 13 miles or more from the facility were less likely to receive vascular assessment (aOR, 0.88; 95% CI, 0.80-0.95). Veterans who resided in the Midwest were most likely to undergo vascular assessment in the year prior to LEA than were those living in other regions. Conclusions and Relevance In this cohort study, health care utilization, distance to primary care, and geographic region were associated with intensity of PAD treatment before LEA, suggesting that some veterans may be at greater risk of suboptimal PAD care practices. Development of clinical programs, such as remote patient monitoring and management, may represent potential opportunities to improve limb preservation rates and the overall quality of vascular care for veterans.
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Affiliation(s)
- Olamide Alabi
- Surgical and Perioperative Care, Atlanta VA Healthcare System, Decatur, Georgia
- Division of Vascular Surgery, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia
| | | | - Julia W. Gallini
- Foundation for Atlanta Veterans Education and Research, Decatur, Georgia
| | - Xiangqin Cui
- Atlanta VA Healthcare System, Decatur, Georgia
- Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, Georgia
| | | | - Luke Brewster
- Surgical and Perioperative Care, Atlanta VA Healthcare System, Decatur, Georgia
- Division of Vascular Surgery, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston
| | - Nader N. Massarweh
- Surgical and Perioperative Care, Atlanta VA Healthcare System, Decatur, Georgia
- Division of Surgical Oncology, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia
- Department of Surgery, Morehouse School of Medicine, Atlanta, Georgia
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Alabi O, Hunt KJ, Patzer RE, Henry Akintobi T, Massarweh NN. Racial Differences in Vascular Assessment Prior to Amputation in the Veterans Health Administration. Health Equity 2023; 7:346-350. [PMID: 37284536 PMCID: PMC10240309 DOI: 10.1089/heq.2023.0004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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] [Accepted: 02/16/2023] [Indexed: 06/08/2023] Open
Abstract
Purpose It is unclear whether disparities in the care provided before lower extremity amputation (LEA) is driven by differences in receipt of diagnostic work-up versus revascularization attempts. Methods We performed a national cohort study of Veterans who underwent LEA between March 2010 and February 2020 to assess receipt of vascular assessment with arterial imaging and/or revascularization in the year prior to LEA. Results Among 19,396 veterans (mean age 66.8 years; 26.6% Black), Black veterans had diagnostic procedures more often than White veterans (47.5% vs. 44.5%) and revascularization as often (25.8% vs. 24.5%). Conclusion We must identify patient and facility-level factors associated with LEA as disparities do not appear related to differences in attempted revascularization.
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Affiliation(s)
- Olamide Alabi
- Surgical and Perioperative Care, Atlanta VA Health Care System, Decatur, Georgia, USA
- Division of Vascular Surgery, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Kelly J. Hunt
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H. Johnson VA Medical Center, Charleston, South Carolina, USA
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Rachel E. Patzer
- Health Services Research Center, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Tabia Henry Akintobi
- Department of Community Health and Preventive Medicine, Morehouse School of Medicine, Atlanta, Georgia, USA
| | - Nader N. Massarweh
- Surgical and Perioperative Care, Atlanta VA Health Care System, Decatur, Georgia, USA
- Division of Surgical Oncology, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
- Department of Surgery, Morehouse School of Medicine, Atlanta, Georgia, USA
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Kalivas B, Zhang J, Harper K, Dulin J, Heincelman M, Marsden J, Hunt KJ, Mauldin PD, Moran WP, Thomas MK. The Combined Effect of Delirium and Falls on Length of Stay and Discharge. J Healthc Qual 2023; 45:177-190. [PMID: 37141572 DOI: 10.1097/jhq.0000000000000377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
INTRODUCTION Delirium or a fall are associated with many negative outcomes including increased length of stay (LOS) and discharge to a facility; however, this relationship is incompletely understood. METHODS A cross-sectional study of all hospitalizations in a large, tertiary care hospital evaluated the effect of delirium and a fall on the outcomes of LOS and risk of being discharged to a facility. RESULTS The study included 29,655 hospital admissions. A total of 3,707 (12.5%) patients screened positive for delirium and 286 (0.96%) had a reported fall. After adjustment for covariates, relative to patients without delirium or a fall, patients with delirium only had a 1.64-fold longer LOS; patients with fall only had a 1.96-fold longer LOS; and patients who had delirium and fall had a 2.84-fold longer LOS. The adjusted odds of discharge to a facility, relative to those without delirium or a fall, was 8.98 times higher in those with delirium and a fall. CONCLUSIONS Delirium and falls influence LOS and likelihood of being discharged to a facility. The joint impact of falls and delirium on LOS and facility discharge was more than additive. Hospitals should consider the integrated management of delirium and falls.
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Brown JR, Turley CB, Jain R, O'Brien B, Arthur N, Malhotra N, Hunt KJ, Armstrong B, Roberts JR. Primary Care Counseling of Parents Regarding Childhood Screen Media Use. Clin Pediatr (Phila) 2023; 62:198-208. [PMID: 35978485 DOI: 10.1177/00099228221118147] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Parental beliefs and motivation are instrumental in improving childhood digital media use (DMU). Parents (n = 611) completed questionnaires about childhood DMU assessing knowledge, interest in counseling, motivation to change, self-efficacy, and beliefs. Less than a third correctly recognized screen time limits. Twenty-seven percent received childhood DMU information from a doctor, while 46% stated they would like such information. Only 2% had a doctor-recommended DMU plan. Interest in DMU topics, motivation to improve, and management self-efficacy were moderate. Top negative beliefs were addiction to DMU (52%), sleep problems (39%), obesity (33%), social skills (33%), and inappropriate content (32%). Differences between age categories existed for social (48%, P = .01) and language (14%, P = .01) concerns (highest for toddlers), attention concerns (27%, P = .02; highest in preschoolers), and depression (13%, P < .001) and low self-esteem (8%, P = .04; highest in teens). Findings support further development of approaches to address DMU, tailored by age-specific common parental views.
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Affiliation(s)
| | - Christine B Turley
- University of South Carolina School of Medicine, Columbia, SC, USA.,Atrium Health, Charlotte, NC, USA
| | | | - Beth O'Brien
- Medical University of South Carolina, Charleston, SC, USA
| | - Natalie Arthur
- University of South Carolina School of Medicine, Columbia, SC, USA
| | - Neha Malhotra
- University of South Carolina School of Medicine, Columbia, SC, USA
| | - Kelly J Hunt
- Medical University of South Carolina, Charleston, SC, USA
| | - Bridget Armstrong
- Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
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Ash E, Wilson DA, Lackland DT, Mateus J, Turan TN, Hunt KJ, Malek AM. Abstract 16: Maternal Coronary Heart Disease and Mortality Within 5 Years of Delivery Among Women With Hypertensive Disorders of Pregnancy and/or Diabetes. Circulation 2023. [DOI: 10.1161/circ.147.suppl_1.16] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
Introduction:
Pre-pregnancy hypertension (HTN), hypertensive disorders of pregnancy (HDP), and diabetes are linked to increased risk of post-pregnancy coronary heart disease (CHD) and all-cause mortality, but the cumulative impact of pre-pregnancy HTN, HDP, and diabetes has yet to be fully investigated. We aimed to examine associations between HDP and diabetes with CHD and mortality ≤5 years of delivery stratified by race/ethnicity.
Methods:
This retrospective cohort study included women aged 12-49 with ≥1 singleton, live birth in South Carolina (2004-2016). After exclusions, 431,839 women remained: non-Hispanic White [NHW; 58.8%], non-Hispanic Black [NHB; 31.7%], and Hispanic [9.5%]. Birth certificates defined pre-pregnancy HTN, HDP (preeclampsia, eclampsia, gestational hypertension), and diabetes (pre-pregnancy, gestational); hospitalization/ED visit data also defined pre-pregnancy HTN and HDP. Hospitalization/ED visit data and death certificates defined incident CHD and all-cause mortality. Cox proportional hazard models adjusted for covariates assessed associations by condition and race/ethnicity.
Results:
Incident CHD risk was increased ≤5 years of delivery for women with diabetes (HR=1.79, CI: 1.40-2.29), HDP (HR=2.91, CI: 1.98-2.65), diabetes and HDP (HR=3.95 CI:3.09-5.05), pre-pregnancy HTN and HDP (HR=3.94, CI: 3.11-5.00), and all three conditions (HR=5.78, CI: 4.41-8.06) compared to none. All-cause mortality risk was increased for HDP (HR=1.31, CI: 1.08-1.58), diabetes and HDP (HR=1.93, CI: 1.30-2.87), pre-pregnancy HTN and HDP (HR=2.20, CI: 1.54-3.15), and all three conditions (HR=2.88, CI: 1.61-5.16), but not with diabetes. The table shows overall and race/ethnic-specific event rates and model results.
Discussion:
Women with HDP (regardless of pre-pregnancy HTN) and/or diabetes experienced higher incident CHD and all-cause mortality risk ≤5 years of delivery. Event rates were highest for women with two or three conditions, with all event rates higher for NHB than NHW women.
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Affiliation(s)
- Emily Ash
- Med Univ of South Carolina, Charleston, SC
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Gleason JL, Sundaram R, Mitro SD, Hinkle SN, Gilman SE, Zhang C, Newman RB, Hunt KJ, Skupski DW, Grobman WA, Nageotte M, Robinson M, Kannan K, Grantz KL. Association of Maternal Caffeine Consumption During Pregnancy With Child Growth. JAMA Netw Open 2022; 5:e2239609. [PMID: 36315142 PMCID: PMC9623443 DOI: 10.1001/jamanetworkopen.2022.39609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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] [Indexed: 12/05/2022] Open
Abstract
IMPORTANCE Greater caffeine consumption in pregnancy is associated with reduced birth size, but potential associations with childhood growth are unclear. OBJECTIVE To evaluate the associations of pregnancy caffeine and paraxanthine measures with child growth in a contemporary cohort with low caffeine consumption and a historical cohort with high caffeine consumption. DESIGN, SETTING, AND PARTICIPANTS The Environmental Influences on Child Health Outcomes cohort of the National Institute of Child Health and Human Development Fetal Growth Studies (ECHO-FGS; 10 sites, 2009-2013) was a pregnancy cohort with 1 child measurement between ages 4 and 8 years (follow-up in 2017-2019). The Collaborative Perinatal Project (CPP) was a pregnancy cohort (12 sites, 1959-1965) with child follow-up through 8 years (1960-1974). The current secondary analysis was conducted in 2021 and 2022. EXPOSURES Concentrations of caffeine and its primary metabolite, paraxanthine, were quantified from plasma (ECHO-FGS) and serum (CPP) collected in the first trimester. Cut points for analyses were defined by quartiles in ECHO-FGS and quintiles in CPP. MAIN OUTCOMES AND MEASURES Child z scores for body mass index, weight, and height were evaluated, as well as fat mass index and percentage and obesity risk measured at 1 time between age 4 and 8 years in ECHO-FGS. In a secondary analysis of the CPP cohort, child z scores and obesity risk longitudinally through age 8 years were evaluated. RESULTS In ECHO-FGS (median caffeine intake <50 mg/d), 788 children (mean [SD] age, 6.8 [1.0] years; 411 boys [52.2%]) of women in the fourth vs first quartile of plasma caffeine concentrations had lower height z scores (β = -0.21; 95% CI, -0.41 to -0.02), but differences in weight z scores were only observed in the third quartile (β = -0.27; 95% CI, -0.47 to -0.07). In CPP, beginning at age 4 years, 1622 children (805 boys [49.7%]) of women in the highest caffeine quintile group had lower height z scores than their peers from the lowest group, with the gap widening with each successive year of age (β = -0.16 [95% CI, -0.31 to -0.01] at 4 years; β = -0.37 [95% CI, -0.57 to -0.16] at 8 years). There were slight reductions in weight at ages 5 to 8 years for children in the third vs first caffeine quintile (β = -0.16 to -0.22). Results were consistent for paraxanthine concentrations in both cohorts. CONCLUSIONS AND RELEVANCE Intrauterine exposure to increasing levels of caffeine and paraxanthine, even in low amounts, was associated with shorter stature in early childhood. The clinical implication of reductions in height and weight is unclear; however, the reductions were apparent even with levels of caffeine consumption below clinically recommended guidelines of less than 200 mg per day.
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Affiliation(s)
- Jessica L. Gleason
- Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
| | - Rajeshwari Sundaram
- Biostatistics and Bioinformatics Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
| | - Susanna D. Mitro
- Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
| | - Stefanie N. Hinkle
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Stephen E. Gilman
- Social and Behavioral Sciences Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Cuilin Zhang
- Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
- Bia-Echo Asia Centre for Reproductive Longevity & Equality, Department of Obstetrics and Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Roger B. Newman
- Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston
| | - Daniel W. Skupski
- Weill Cornell Medicine and New York Presbyterian Queens, New York, New York
| | - William A. Grobman
- Department of Obstetrics and Gynecology, The Ohio State University, Columbus
| | | | - Morgan Robinson
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, New York
| | - Kurunthachalam Kannan
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, New York
| | - Katherine L. Grantz
- Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
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Gurewich D, Kressin N, Bokhour BG, Linsky AM, Dichter ME, Hunt KJ, Fix GM, Niles BL. Randomised controlled trial evaluating the effects of screening and referral for social determinants of health on Veterans' outcomes: protocol. BMJ Open 2022; 12:e058972. [PMID: 36153033 PMCID: PMC9511545 DOI: 10.1136/bmjopen-2021-058972] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 08/12/2022] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION Health policy leaders recommend screening and referral (S&R) for unmet social needs (eg, food) in clinical settings, and the American Heart Association recently concluded that the most significant opportunities for reducing cardiovascular disease (CVD) death and disability lie with addressing the social determinants of CVD outcomes. A limited but promising evidence base supports these recommendations, but more rigorous research is needed to guide health care-based S&R efforts. Funded by the Veteran Health Administration (VA), the study described in this paper will assess the efficacy of S&R on Veterans' connections to new resources to address social needs, reduction of unmet needs and health-related outcomes (adherence, utilisation and clinical outcomes). METHODS AND ANALYSIS We will conduct a 1-year mixed-methods randomised controlled trial at three VA sites, enrolling Veterans with CVD and CVD-risk. 880 Veterans experiencing one or more social needs will be randomised within each site (n=293 per site) to one of three study arms representing referral mechanisms of varying intensity (screening only, screening and provision of resource sheet(s), screening and provision of resource sheet(s) plus social work assistance). For each Veteran, we will examine associations of unmet social needs with health-related outcomes at baseline, and longitudinally compare the impact of each approach on connection to new resources (primary outcome) and follow-up outcomes over a 12-month period. We will additionally conduct qualitative interviews with key stakeholders, including Veterans to identify potential explanatory factors related to the relative success of the interventions. ETHICS AND DISSEMINATION Ethics approval was obtained from the VA Central Internal Review Board on 13 July 2021 (reference #: 20-07-Amendment No. 02). Findings will be disseminated through reports, lay summaries, policy briefs, academic publications, and conference presentations. TRIAL REGISTRATION NUMBER NCT04977583.
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Affiliation(s)
- Deborah Gurewich
- Center for Healthcare Organization and Implementation Research, VA Boston Health Care System, Boston, Massachusetts, USA
- Section of General Internal Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
| | - Nancy Kressin
- Section of General Internal Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
| | - Barbara G Bokhour
- Center for Healthcare Organization and Implementation Research, VA Bedford Healthcare System, Bedford, MA, USA
- Department of Population and Quantitative Health Sciences, University of Massachusetts Chan School of Medicine, Worcester, MA, USA
| | - Amy M Linsky
- Center for Healthcare Organization and Implementation Research, VA Boston Health Care System, Boston, Massachusetts, USA
- Section of General Internal Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
- General Internal Medicine, VA Boston Healthcare System, Boston, Massachusetts, USA
| | - Melissa E Dichter
- Center for Health Equity Research and Promotion (CHERP), Crescenz VA Medical Center, Philadelphia, Pennsylvania, USA
- School of Social Work, Temple University, Philadelphia, Pennsylvania, USA
| | - Kelly J Hunt
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H Johnson VAMC, Charleston, South Carolina, USA
| | - Gemmae M Fix
- Section of General Internal Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
- Center for Healthcare Organization and Implementation Research, VA Bedford Healthcare System, Bedford, MA, USA
| | - Barbara L Niles
- National Center for PTSD, VA Boston Healthcare System, Boston, Massachusetts, USA
- Department of Psychiatry, Boston University School of Medicine, Boston, Massachusetts, USA
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Howell AV, Gebregziabher M, Thiers BH, Graboyes EM, Paulos CM, Wrangle JM, Hunt KJ, Wallace K. Association of age with survival in older patients with cutaneous melanoma treated with immune checkpoint inhibitors. J Geriatr Oncol 2022; 13:1003-1010. [PMID: 35660090 DOI: 10.1016/j.jgo.2022.05.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/15/2022] [Accepted: 05/16/2022] [Indexed: 11/20/2022]
Abstract
INTRODUCTION Several types of immune checkpoint inhibitors (ICIs) are approved to treat advanced melanoma, but their effectiveness has not been compared in older patients treated outside of a clinical trial. Moreover, evidence suggests that a patient's response to ICI therapy may vary by age and type of ICI. The purpose of this study was to compare survival by ICI type in older patients with melanoma and to investigate treatment effect modification by age. MATERIALS AND METHODS Using the SEER-Medicare database, we identified patients with cutaneous melanoma (2012-2015) treated with an ICI (CTLA-4, PD-1, or combination CTLA-4 + PD-1 inhibitors). Cox proportional hazards regression was used to estimate hazard ratios (HRs) with 95% confidence intervals (CI) for ICI types. We used an interaction term and stratified models to test for treatment effect modification by age. RESULTS Of the 1435 patients included in our analysis, 790 (55.1%) received CTLA-4 inhibitors, 512 (35.7%) received PD-1 inhibitors, and 133 (9.3%) were treated with combination ICIs. Median survival ranged from 13.4 months (95%CI: 10.7-16.3) for CTLA-4 inhibitors to 23.5 months (95%CI: 16.2-30.0) for combination ICIs. In multivariable models, the risk of death was lower with PD-1 inhibitors compared to CTLA-4 inhibitors (HR = 0.78, 95%CI: 0.68-0.89). An age*ICI type interaction term was significant (p < 0.001), and survival gains were greater the older age group (≥80) compared to the younger group (65-79). DISCUSSION In a population-based setting, we identified important differences in survival by ICI type in older patients with melanoma treated with ICIs, with prolonged survival associated with PD-1 inhibitors compared to CTLA-4 inhibitors.
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Affiliation(s)
- Ashley V Howell
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA.
| | - Mulugeta Gebregziabher
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Bruce H Thiers
- Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, SC, USA
| | - Evan M Graboyes
- Department of Otolaryngology - Head and Neck Surgery, Medical University of South Carolina, Charleston, SC, USA
| | - Chrystal M Paulos
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
| | - John M Wrangle
- Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Kelly J Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Kristin Wallace
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
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21
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Babineau V, Fonge YN, Miller ES, Grobman WA, Ferguson PL, Hunt KJ, Vena JE, Newman RB, Guille C, Tita ATN, Chandler-Laney PC, Lee S, Feng T, Scorza P, Takács L, Wapner RJ, Palomares KT, Skupski DW, Nageotte MP, Sciscione AC, Gilman S, Monk C. Associations of Maternal Prenatal Stress and Depressive Symptoms With Childhood Neurobehavioral Outcomes in the ECHO Cohort of the NICHD Fetal Growth Studies: Fetal Growth Velocity as a Potential Mediator. J Am Acad Child Adolesc Psychiatry 2022; 61:1155-1167. [PMID: 35367322 PMCID: PMC9427685 DOI: 10.1016/j.jaac.2022.03.021] [Citation(s) in RCA: 8] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 01/27/2022] [Accepted: 03/21/2022] [Indexed: 01/09/2023]
Abstract
OBJECTIVE Maternal prenatal stress and mood symptoms are associated with risk for child psychopathology. Within the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Fetal Growth Studies (ECHO-FGS), a racially and ethnically diverse cohort, we studied associations between prenatal stress and depressive symptoms with child neurobehavior, and potential mediation by fetal growth velocity (FGV) in low-risk pregnancies. METHOD For 730 mother-child pairs, we had serial ultrasound measurements, self-reports of prenatal stress and depression, observations of child executive functions and motor skills from 4 to 8 years, and maternal reports of child psychiatric problems. We tested associations between prenatal stress and depressive symptoms with child neurobehavior in regression analyses, and associations with FGV in mixed effect models. Post hoc we tested severity of prenatal symptoms; FGV at 25th, 50th, and 75th percentiles; and moderation by biological sex and by race and ethnicity. RESULTS Prenatal stress and depressive symptoms were associated with child psychiatric problems, and prenatal depressive symptoms with decrements in executive functions and motor skills, especially in biological male children. Neither prenatal stress nor depressive symptoms were associated with FGV. CONCLUSION In one of the largest cohorts with observed child outcomes, and the first with broad representation of race and ethnicity in the United States, we found that prenatal stress and depressive symptoms were associated with greater reports of child psychiatric symptoms. Only prenatal depressive symptoms were associated with observed decrements in cognitive abilities, most significantly in biological male children. Stress during low-risk pregnancies may be less detrimental than theorized. There was no mediation by FGV. These findings support the need to attend to even small changes in prenatal distress, as these may have long-lasting implications.
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Affiliation(s)
| | - Yaneve N Fonge
- University of Pittsburgh Magee-Womens Hospital, Pennsylvania
| | - Emily S Miller
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - William A Grobman
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | - Kelly J Hunt
- Medical University of South Carolina, Charleston
| | - John E Vena
- Medical University of South Carolina, Charleston
| | | | | | | | | | - Seonjoo Lee
- Columbia University, New York; New York State Psychiatric Institute, New York
| | | | | | | | | | | | | | | | | | - Stephen Gilman
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
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22
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Wilson DA, Hunt KJ, Mateus J, Turan TN, Lackland DT, Malek AM. Hospital length of stay within the first year of life among full-term infants born to women with hypertensive disorders of pregnancy. Ann Epidemiol 2022. [DOI: 10.1016/j.annepidem.2022.06.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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23
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Snider MJE, Maa AY, Guyton AC, Park H, Hunt KJ, Pope C. Stakeholder perceptions affecting the implementation of teleophthalmology. BMC Health Serv Res 2022; 22:1086. [PMID: 36008809 PMCID: PMC9403222 DOI: 10.1186/s12913-022-08386-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 07/28/2022] [Indexed: 11/10/2022] Open
Abstract
PURPOSE Teleophthalmology has become the subject of heightened interest and scrutiny in the wake of the SARS-CoV-2 global pandemic. A streamlined implementation framework becomes increasingly important as demand grows. This study identified obstacles to teleophthalmology implementation through summative content analysis of key stakeholders' perceptions. DESIGN Summative content analysis of transcribed interviews with key stakeholders (including patients, technicians, ophthalmic readers, staff, nurses, and administrators at two teleophthalmology clinic sites). METHODS Keyword Were counted and compared to examine underlying meaning. Two analysts coded text independently using MAXQDA for summative qualitative content analysis to derive themes and hierarchical relationships as a basis for future refinement of TECS implementation. xMind ZEN was used to map conceptual relationships and overarching themes that emerged to identify perceived facilitators and barriers to implementation RESULTS: Analysis revealed two themes common to perceptions: (1) benefits of care, and (2) ease of implementation. Perceived benefits included efficiency, accessibility, and earlier intervention in disease course. The quality and quantity of training was heavily weighted in its influence on stakeholders' commitment to and confidence in the program, as were transparent organizational structure, clear bidirectional communication, and the availability of support staff. CONCLUSION Using a determinant framework of implementation science, this report highlighted potential hindrances to teleophthalmology implementation and offered solutions in order to increase access to screening, improve the quality of care provided, and facilitate sustainability of the innovation.
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Affiliation(s)
- Molly J E Snider
- Cleveland Clinic Cole Eye Institute, 2022 E 105th St I Bldg, Cleveland, OH, 44106, USA. .,Emory University, Atlanta, USA.
| | - April Y Maa
- Emory University, Atlanta, USA. .,VISN 7, Regional Telehealth Services, Atlanta Veterans Affairs Medical Center, Atlanta, USA. .,Atlanta VAMC CVNR, 1670 Clairmont Road, MC150R, Decatur, GA, 30033, USA.
| | | | | | - Kelly J Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, USA
| | - Charlene Pope
- Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC; and, Department of Pediatrics, Medical University of South Carolina, Charleston, USA
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24
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Florez H, Hunt KJ, Valencia WM. Reducing Disparities in Cholesterol Control. JAMA 2022; 328:714-716. [PMID: 35997750 DOI: 10.1001/jama.2022.13284] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Hermes Florez
- Medical University of South Carolina, Charleston
- US Department of Veterans Affairs, Ralph H. Johnson VA Medical Center, Charleston, South Carolina
| | - Kelly J Hunt
- Medical University of South Carolina, Charleston
- US Department of Veterans Affairs, Ralph H. Johnson VA Medical Center, Charleston, South Carolina
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25
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Hunt KJ, Ferguson PL, Neelon B, Commodore S, Bloom MS, Sciscione AC, Grobman WA, Kominiarek MA, Newman RB, Tita AT, Nageotte MP, Palomares K, Skupski DW, Zhang C, Hinkle S, Wapner R, Vena JE. The association between maternal pre-pregnancy BMI, gestational weight gain and child adiposity: A racial-ethnically diverse cohort of children. Pediatr Obes 2022; 17:e12911. [PMID: 35289494 PMCID: PMC9283205 DOI: 10.1111/ijpo.12911] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [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] [Received: 08/13/2021] [Accepted: 02/13/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND The prevalence of obesity in US children has more than tripled in the past 40 years; hence, it is critical to identify potentially modifiable factors that may mitigate the risk. OBJECTIVES To examine the association between maternal pre-pregnancy body mass index (BMI), gestational weight gain (GWG) and child adiposity as measured by BMI, waist circumference and percent body fat in a racial-ethnically diverse cohort. METHODS In a prospective cohort study of healthy women without chronic disease, we examined the association between pre-pregnancy BMI, GWG and child adiposity. Children ages 4-8 years (n = 816) in the Environmental Influences on Child Health Outcomes-NICHD Fetal Growth Studies were assessed. Trained study staff ascertained maternal pre-pregnancy BMI, GWG and child adiposity. RESULTS The odds of child obesity (≥95th BMI percentile) increased independently for each unit increase in maternal pre-pregnancy BMI [OR = 1.12 (95% CI: 1.08, 1.17)] and for each 5-kg increase in GWG [OR = 1.25 (95% CI: 1.07, 1.47)]. The odds of child waist circumference (≥85th percentile) also increased independently for pre-pregnancy BMI [OR = 1.09 (95% CI: 1.05, 1.12)] and GWG [OR = 1.18 (95% CI: 1.04, 1.34)]. CONCLUSIONS Maternal pre-pregnancy BMI and GWG were each independently and positively associated with child obesity and high child waist circumference.
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Affiliation(s)
- Kelly J Hunt
- Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Pamela L Ferguson
- Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Brian Neelon
- Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Sarah Commodore
- Environmental and Occupational Health, Indiana University, Bloomington, Indiana, USA
| | - Michael S Bloom
- Global and Community Health, George Mason University, Fairfax, Virginia, USA
| | - Anthony C Sciscione
- Obstetrics and Gynecology, Christiana Care Health System, Newark, Delaware, USA
| | - William A Grobman
- Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Michelle A Kominiarek
- Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Roger B Newman
- Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Alan T Tita
- Obstetrics and Gynecology and Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Michael P Nageotte
- Obstetrics and Gynecology, Miller Children's and Women's Hospital, Long Beach, California, USA
| | - Kristy Palomares
- Obstetrics and Gynecology, Saint Peter's University Hospital, New Brunswick, New Jersey, USA
| | - Daniel W Skupski
- Obstetrics and Gynecology, New York Presbyterian Queens Hospital, Queens, New York, USA
| | - Cuilin Zhang
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
- Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Stefanie Hinkle
- Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Ronald Wapner
- Obstetrics and Gynecology, Columbia University Medical Center, New York, New York, USA
| | - John E Vena
- Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
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26
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Baker NL, Hammad SM, Hunt KJ, Semler A, Klein RL, Lopes-Virella MF. Plasma apoM Levels and Progression to Kidney Dysfunction in Patients With Type 1 Diabetes. Diabetes 2022; 71:1795-1799. [PMID: 35554520 PMCID: PMC9490352 DOI: 10.2337/db21-0920] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 04/30/2022] [Indexed: 11/13/2022]
Abstract
Apolipoprotein M (apoM), primarily carried by HDL, has been associated with several conditions, including cardiovascular disease and diabetic nephropathy. This study proposes to examine whether plasma apoM levels are associated with the development of diabetic kidney disease, assessed as progression to macroalbuminuria (MA) and chronic kidney disease (CKD). Plasma apoM was measured using an enzyme immunoassay in 386 subjects from the Diabetes Control and Complications Trial (DCCT)/Epidemiology of Diabetes Interventions and Complications (EDIC) cohort at DCCT entry and closeout and the concentrations used to determine the association with risk of progression to kidney dysfunction from the time of measurement through 18 years of EDIC follow-up. apoM levels, at DCCT baseline, were higher in patients who developed CKD than in those who retained normal renal function. At DCCT closeout, participants who progressed to MA, CKD, or both MA and CKD also had significantly higher apoM levels than those who remained normal, and increased levels of apoM were associated with increased risk of progression to both MA (risk ratio [RR] 1.30 [95% CI 1.01, 1.66]) and CKD (RR 1.69 [95% CI 1.18, 2.44]). Our results strongly suggest that alterations in apoM and therefore in the composition and function of HDL in type 1 diabetes are present early in the disease process and are associated with the development of nephropathy.
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Affiliation(s)
- Nathaniel L. Baker
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - Samar M. Hammad
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - Andrea Semler
- Division of Endocrinology, Diabetes, and Metabolic Diseases, Department of Medicine, Medical University of South Carolina, Charleston, SC
| | - Richard L. Klein
- Division of Endocrinology, Diabetes, and Metabolic Diseases, Department of Medicine, Medical University of South Carolina, Charleston, SC
- Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, SC
| | - Maria F. Lopes-Virella
- Division of Endocrinology, Diabetes, and Metabolic Diseases, Department of Medicine, Medical University of South Carolina, Charleston, SC
- Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, SC
- Corresponding author: Maria F. Lopes-Virella,
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Malek AM, Hunt KJ, Turan TN, Mateus J, Lackland DT, Lucas A, Wilson DA. Hypertensive Disorders of Pregnancy With and Without Prepregnancy Hypertension Are Associated With Incident Maternal Kidney Disease Subsequent to Delivery. Hypertension 2022; 79:844-854. [PMID: 35209727 PMCID: PMC8917087 DOI: 10.1161/hypertensionaha.121.18451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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] [Indexed: 11/16/2022]
Abstract
BACKGROUND Maternal morbidity and mortality are related to prepregnancy hypertensive disease and hypertensive disorders of pregnancy (HDP) including preeclampsia (41.1% of HDP), eclampsia (1.3% of HDP), and gestational hypertension (39.9% of HDP). Less information is available on the risk of maternal kidney disease and potential racial/ethnic differences following a hypertensive condition during pregnancy. Our objective was to examine the relationships between HDP and prepregnancy hypertension with maternal incident kidney disease subsequent to delivery (up to 3, 5, and 14 years) with consideration of racial/ethnic differences. METHODS In a retrospective cohort study, 391 838 women 12 to 49 years of age had a live birth in South Carolina between 2004 and 2016; 35.1% non-Hispanic Black (NHB) and 64.9% non-Hispanic White (NHW). Hospitalization, emergency department, and birth certificate data defined prepregnancy hypertension and HDP. Hospitalization and death certificate data identified incident kidney disease. RESULTS 317 006 (80.8%) women experienced neither condition, 1473 (0.4%) had prepregnancy hypertension, 64 050 (16.3%) had HDP, and 9662 (2.5%) had both conditions (prepregnancy hypertension with superimposed HDP, ie, preeclampsia). Five years after delivery, incident kidney disease risk was increased for NHB and NHW women with HDP (NHB: hazard ratio, 2.30 [95% CI, 1.94-2.73]; NHW: hazard ratio, 1.97 [95% CI, 1.64-2.37]) and with both conditions (NHB: hazard ratio, 3.88 [95% CI, 3.05-4.93]; NHW: hazard ratio, 1.86 [95% CI, 1.20-2.87]) compared with counterparts with neither condition after adjustment (P value for race/ethnicity interaction=0.003). CONCLUSIONS Increased kidney disease risk 5 years after delivery was observed for women with HDP and with both compared with neither condition, with associated risk higher in NHB than NHW women.
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Affiliation(s)
- Angela M Malek
- Department of Public Health Sciences (A.M.M., K.J.H., D.A.W.), Medical University of South Carolina, Charleston
| | - Kelly J Hunt
- Department of Public Health Sciences (A.M.M., K.J.H., D.A.W.), Medical University of South Carolina, Charleston
| | - Tanya N Turan
- Department of Neurology (T.N.T., D.T.L.), Medical University of South Carolina, Charleston
| | - Julio Mateus
- Department of Obstetrics & Gynecology, Maternal-Fetal Medicine Division, Atrium Health, Charlotte, NC (J.M.)
| | - Daniel T Lackland
- Department of Neurology (T.N.T., D.T.L.), Medical University of South Carolina, Charleston
| | - Anika Lucas
- Department of Medicine, Division of Nephrology, Duke University, Durham, NC (A.L.)
| | - Dulaney A Wilson
- Department of Public Health Sciences (A.M.M., K.J.H., D.A.W.), Medical University of South Carolina, Charleston
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Hildebrand JS, Ferguson PL, Sciscione AC, Grobman WA, Newman RB, Tita AT, Wapner RJ, Nageotte MP, Palomares K, Skupski DW, Cooper DM, Zhang C, Neelon B, Vena JE, Hunt KJ. Breastfeeding Associations with Childhood Obesity and Body Composition: Findings from a Racially Diverse Maternal-Child Cohort. Child Obes 2022; 18:178-187. [PMID: 34669515 PMCID: PMC8982114 DOI: 10.1089/chi.2021.0138] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Background: Studies suggest breastfeeding lowers obesity risk in childhood, but generalizability of existing evidence is limited. We examined associations of breastfeeding with childhood overweight, obesity, and percentage body fat, in a racially diverse maternal-child cohort. Methods: This cross-sectional study included 823 children, ages 4-8 years, enrolled in the Environmental Exposures and Child Health Outcomes (ECHO) cohort, a subset of the National Institute of Child Health and Human Development Fetal Growth Studies cohort. Logistic regression was used to estimate odds ratios and 95% confidence intervals (CIs) for overweight [BMI (kg/m2) 85th to <95th percentile] and obesity (BMI ≥95th percentile) in relation to breastfeeding including duration of exclusive and total breastfeeding. Linear regression was used to evaluate association between breastfeeding and percentage body fat measured by bioelectrical impedance analysis. Results: Fifty-two percent of children were male, 32% non-Hispanic Black, 29% Hispanic, 27% non-Hispanic White, and 13% Asian; 16% were overweight and 13% obese. Six months of exclusive breastfeeding, compared with no breastfeeding, was associated with 60% lower odds of obesity (95% CI 0.18-0.91) adjusting for age, gender, race, socioeconomic status, maternal BMI, and child's activity. Percentage body fat was inversely associated with breastfeeding duration. For none, <6, and ≥6 months of exclusive breastfeeding, adjusted mean percentage body fat was 16.8, 14.5, and 13.4, respectively. Results did not differ by gender, race/ethnicity, or maternal BMI status. Conclusions: Exclusive breastfeeding for the first 6 months of life is inversely and significantly associated with obesity and percentage body fat at ages 4-8 years. These findings support current breastfeeding guidelines.
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Affiliation(s)
- Janet S. Hildebrand
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA.,Target RWE Health Evidence Solutions, Durham, NC, USA
| | - Pamela L. Ferguson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Anthony C. Sciscione
- Department of Obstetrics & Gynecology, Christiana Care Health System, Newark, DE, USA
| | - William A. Grobman
- Department of Obstetrics & Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Roger B. Newman
- Department of Obstetrics & Gynecology, Medical University of South Carolina, Charleston, SC, USA
| | - Alan T. Tita
- Department of Obstetrics & Gynecology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Ronald J. Wapner
- Department of Obstetrics & Gynecology, Columbia University Medical Center, New York, NY, USA
| | - Michael P. Nageotte
- Department of Obstetrics & Gynecology, Long Beach Memorial Medical Center, Long Beach, CA, USA
| | - Kristy Palomares
- Department of Obstetrics & Gynecology, Saint Peter's University Hospital, New Brunswick, NJ, USA
| | - Daniel W. Skupski
- Department of Obstetrics & Gynecology, New York Presbyterian Queens Hospital, Queens, NY, USA
| | - Daniel M. Cooper
- Department of Pediatrics, University of California at Irvine School of Medicine, Irvine, CA, USA,Department of Pediatrics, Fountain Valley Regional Hospital and Medical Center, Fountain Valley, CA, USA
| | - Cuilin Zhang
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Brian Neelon
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - John E. Vena
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA.,Address correspondence to: Kelly J. Hunt, PhD, Department of Public Health Sciences, Medical University of South Carolina, 135 Cannon Street, Suite 303, Charleston, SC 29425, USA
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Khatiwada A, Wolf BJ, Yilmaz AS, Ramos PS, Pietrzak M, Lawson A, Hunt KJ, Kim HJ, Chung D. GPA-Tree: statistical approach for functional-annotation-tree-guided prioritization of GWAS results. Bioinformatics 2022; 38:1067-1074. [PMID: 34849578 DOI: 10.1093/bioinformatics/btab802] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 10/09/2021] [Accepted: 11/23/2021] [Indexed: 02/03/2023] Open
Abstract
MOTIVATION In spite of great success of genome-wide association studies (GWAS), multiple challenges still remain. First, complex traits are often associated with many single nucleotide polymorphisms (SNPs), each with small or moderate effect sizes. Second, our understanding of the functional mechanisms through which genetic variants are associated with complex traits is still limited. To address these challenges, we propose GPA-Tree and it simultaneously implements association mapping and identifies key combinations of functional annotations related to risk-associated SNPs by combining a decision tree algorithm with a hierarchical modeling framework. RESULTS First, we implemented simulation studies to evaluate the proposed GPA-Tree method and compared its performance with existing statistical approaches. The results indicate that GPA-Tree outperforms existing statistical approaches in detecting risk-associated SNPs and identifying the true combinations of functional annotations with high accuracy. Second, we applied GPA-Tree to a systemic lupus erythematosus (SLE) GWAS and functional annotation data including GenoSkyline and GenoSkylinePlus. The results from GPA-Tree highlight the dysregulation of blood immune cells, including but not limited to primary B, memory helper T, regulatory T, neutrophils and CD8+ memory T cells in SLE. These results demonstrate that GPA-Tree can be a powerful tool that improves association mapping while facilitating understanding of the underlying genetic architecture of complex traits and potential mechanisms linking risk-associated SNPs with complex traits. AVAILABILITY AND IMPLEMENTATION The GPATree software is available at https://dongjunchung.github.io/GPATree/. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Aastha Khatiwada
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA.,Division of Biostatistics and Bioinformatics, National Jewish Health, Denver, CO 80206, USA
| | - Bethany J Wolf
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Ayse Selen Yilmaz
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH 43210, USA
| | - Paula S Ramos
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA.,Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Maciej Pietrzak
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH 43210, USA
| | - Andrew Lawson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Kelly J Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Hang J Kim
- Division of Statistics and Data Science, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Dongjun Chung
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH 43210, USA
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Hammad SM, Hunt KJ, Baker NL, Klein RL, Lopes-Virella MF. Diabetes and kidney dysfunction markedly alter the content of sphingolipids carried by circulating lipoproteins. J Clin Lipidol 2022; 16:173-183. [DOI: 10.1016/j.jacl.2021.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/18/2021] [Accepted: 12/28/2021] [Indexed: 10/19/2022]
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Bloom MS, Commodore S, Ferguson PL, Neelon B, Pearce JL, Baumer A, Newman RB, Grobman W, Tita A, Roberts J, Skupski D, Palomares K, Nageotte M, Kannan K, Zhang C, Wapner R, Vena JE, Hunt KJ. Association between gestational PFAS exposure and Children's adiposity in a diverse population. Environ Res 2022; 203:111820. [PMID: 34343551 PMCID: PMC8616804 DOI: 10.1016/j.envres.2021.111820] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/21/2021] [Accepted: 07/29/2021] [Indexed: 05/05/2023]
Abstract
Perfluoroalkyl substances (PFAS) are widely distributed suspected obesogens that cross the placenta. However, few data are available to assess potential fetal effects of PFAS exposure on children's adiposity in diverse populations. To address the data gap, we estimated associations between gestational PFAS concentrations and childhood adiposity in a diverse mother-child cohort. We considered 6 PFAS in first trimester blood plasma, measured using ultra-high-performance liquid chromatography with tandem mass spectrometry, collected from non-smoking women with low-risk singleton pregnancies (n = 803). Body mass index (BMI), waist circumference (WC), fat mass, fat-free mass, and % body fat were ascertained in 4-8 year old children as measures of adiposity. We estimated associations of individual gestational PFAS with children's adiposity and overweight/obesity, adjusted for confounders. There were more non-Hispanic Black (31.7 %) and Hispanic (42.6 %) children with overweight/obesity, than non-Hispanic white (18.2 %) and Asian/Pacific Islander (16.4 %) children (p < 0.0001). Perfluorooctane sulfonate (PFOS; 5.3 ng/mL) and perfluorooctanoic acid (2.0 ng/mL) had the highest median concentrations in maternal blood. Among women without obesity (n = 667), greater perfluoroundecanoic acid (PFUnDA) was associated with their children having higher WC z-score (β = 0.08, 95%CI: 0.01, 0.14; p = 0.02), fat mass (β = 0.55 kg, 95%CI: 0.21, 0.90; p = 0.002), and % body fat (β = 0.01 %; 95%CI: 0.003, 0.01; p = 0.004), although the association of PFUnDA with fat mass attenuated at the highest concentrations. Among women without obesity, the associations of PFAS and their children's adiposity varied significantly by self-reported race-ethnicity, although the direction of the associations was inconsistent. In contrast, among the children of women with obesity, greater, PFOS, perfluorononanoic acid, and perfluorodecanoic acid concentrations were associated with less adiposity (n = 136). Our results suggest that specific PFAS may be developmental obesogens, and that maternal race-ethnicity may be an important modifier of the associations among women without obesity.
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Affiliation(s)
- Michael S Bloom
- Department of Global and Community Health, George Mason University, Fairfax, VA, USA.
| | - Sarah Commodore
- Department of Environmental and Occupational Health, Indiana University, Bloomington, IN, USA
| | - Pamela L Ferguson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Brian Neelon
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - John L Pearce
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Anna Baumer
- Department of Biological Sciences, University at Albany, State University of New York, Albany, NY, USA
| | - Roger B Newman
- Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC, USA
| | - William Grobman
- Department of Obstetrics and Gynecology, Northwestern University, Chicago, IL, USA
| | - Alan Tita
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - James Roberts
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC, USA
| | - Daniel Skupski
- Department of Obstetrics and Gynecology, New York-Presbyterian Queens Hospital, Queens, New York, USA; Department of Obstetrics and Gynecology, Weill Cornell Graduate School of Medical Sciences, Cornell University, New York, NY, USA
| | - Kristy Palomares
- Department of Obstetrics and Gynecology, Saint Peter's University Hospital, New Brunswick, NJ, USA
| | - Michael Nageotte
- Department of Perinatology, Long Beach Memorial Medical Center, Long Beach, CA, USA
| | - Kurunthachalam Kannan
- Department of Pediatrics and Department of Environmental Medicine, New York University School of Medicine, New York, NY, USA
| | - Cuilin Zhang
- Division of Intramural Population Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Rockville, MD, USA
| | - Ronald Wapner
- Department of Obstetrics and Gynecology, Columbia University Irving Medical Center, Columbia University, New York, NY, USA
| | - John E Vena
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Kelly J Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
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Ferguson PL, Commodore S, Neelon B, Cobbs J, Sciscione AC, Grobman WA, Newman RB, Tita AT, Nageotte MP, Palomares K, Skupski DW, Vena JE, Hunt KJ. Early Exposure to Animals and Childhood Body Mass Index Percentile and Percentage Fat Mass. Child Adolesc Obes 2022; 5:3-15. [PMID: 35128342 PMCID: PMC8813042 DOI: 10.1080/2574254x.2021.2021788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
INTRODUCTION A few studies have identified childhood animal exposure as associated with adiposity, but results are inconsistent and differ in timing. METHODS We conducted an observational cohort study of children ages 4-8 in the Environmental Influences on Child Health Outcomes [ECHO] study. The main exposure was having a dog in the home and/or regular contact with farm animals during the first year of life. Outcomes of interest were child BMI percentile (adjusted for gender and age) categorized as normal/underweight (<85th percentile), overweight (85th to <95th), and obese (≥95th), and percent fat mass (continuous). Associations were analyzed using multinomial logistic regression and multivariable linear regression, respectively, with and without multiple imputation. RESULTS First year animal exposure occurred in 245 of 770 (31.8%) children. Children with early animal exposure had 0.53 (95% CI: 0.28, 0.997) times the odds of being in the obese BMI category compared to those exposed to animals after controlling for covariates: maternal pre-pregnancy BMI, race/ethnicity, reported child activity level, receiving food assistance, age child began daycare (<1 year vs 1+), exclusively breastfed x6 months, and NICU admission (n=721). Children with early animal exposure had, on average, 1.5% (95% CI: -3.0, -0.1) less fat mass than exposed children after adjustment for maternal BMI, race/ethnicity, activity, food assistance, breastfeeding, and maternal education (n=548). Multiple imputation did not alter either result. CONCLUSION These results provide evidence that exposure to dogs or farm animals in the first year of life is associated with lower odds of obesity and lower percent fat mass in childhood.
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Affiliation(s)
- Pamela L. Ferguson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - Sarah Commodore
- School of Public Health, Indiana University, Bloomington, IN
| | - Brian Neelon
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - JacKetta Cobbs
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - Anthony C. Sciscione
- Department of Obstetrics & Gynecology, Christiana Care Health System, Newark, DE
| | - William A. Grobman
- Department of Obstetrics & Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Roger B. Newman
- Department of Obstetrics & Gynecology, Medical University of South Carolina, Charleston, SC
| | - Alan T. Tita
- Department of Obstetrics & Gynecology, University of Alabama at Birmingham, Birmingham, AL
| | - Michael P. Nageotte
- Department of Obstetrics & Gynecology, Long Beach Memorial Medical Center, Long Beach, CA
| | - Kristy Palomares
- Department of Obstetrics & Gynecology, Saint Peter’s University Hospital, New Brunswick, NJ
| | - Daniel W. Skupski
- Department of Obstetrics & Gynecology, New York Presbyterian Queens Hospital, Queens, NY
| | - John E. Vena
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
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Malek AM, Wilson DA, Turan TN, Mateus J, Lackland DT, Hunt KJ. Incident Heart Failure Within the First and Fifth Year after Delivery Among Women With Hypertensive Disorders of Pregnancy and Prepregnancy Hypertension in a Diverse Population. J Am Heart Assoc 2021; 10:e021616. [PMID: 34431312 PMCID: PMC8649300 DOI: 10.1161/jaha.121.021616] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 07/19/2021] [Indexed: 11/16/2022]
Abstract
Background Hypertensive disorders of pregnancy (HDP) and pre-pregnancy hypertension are associated with increased morbidity and mortality for the mother. Our aim was to investigate the relationships between HDP and pre-pregnancy hypertension with maternal heart failure (HF) within 1 and 5 years of delivery and to examine racial/ethnic differences. Methods and Results We conducted a retrospective cohort study in South Carolina (2004-2016) involving 425 649 women aged 12 to 49 years (58.9% non-Hispanic White [NHW], 31.5% non-Hispanic Black [NHB], 9.6% Hispanic) with a live, singleton birth. Incident HF was defined by hospital/emergency department visit and death certificate data. Pre-pregnancy hypertension and HDP (preeclampsia, eclampsia, or gestational hypertension) were based on hospitalization/emergency department visit and birth certificate data (i.e., gestational hypertension for HDP). The 425 649 women had pre-pregnancy hypertension without superimposed HDP (pre-pregnancy hypertension alone; 0.4%), HDP alone (15.7%), pre-pregnancy hypertension with superimposed HDP (both conditions; 2.2%), or neither condition in any pregnancy (81.7%). Incident HF event rates per 1000 person-years were higher in NHB than NHW women with HDP (HDP: 2.28 versus 0.96; both conditions: 4.30 versus 1.22, respectively). After adjustment, compared with women with neither condition, incident HF risk within 5 years of delivery was increased for women with pre-pregnancy hypertension (HR,2.55, 95% CI: 1.31-4.95), HDP (HR,4.20, 95% CI: 3.66-4.81), and both conditions (HR,5.25, 95% CI: 4.24-6.50). Conclusions Women with HDP and pre-pregnancy hypertension were at higher HF risk (highest for superimposed preeclampsia) within 5 years of delivery. NHB women with HDP had higher HF risk than NHW women, regardless of pre-pregnancy hypertension.
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Affiliation(s)
- Angela M. Malek
- Department of Public Health SciencesMedical University of South CarolinaCharlestonSC
| | - Dulaney A. Wilson
- Department of Public Health SciencesMedical University of South CarolinaCharlestonSC
| | - Tanya N. Turan
- Department of NeurologyMedical University of South CarolinaCharlestonSC
| | - Julio Mateus
- Department of Obstetrics & Gynecology, Maternal‐Fetal Medicine DivisionAtrium HealthCharlotteNC
| | | | - Kelly J. Hunt
- Department of Public Health SciencesMedical University of South CarolinaCharlestonSC
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Zimmerman KD, Schurr TG, Chen W, Nayak U, Mychaleckyj JC, Quet Q, Moultrie LH, Divers J, Keene KL, Kamen DL, Gilkeson GS, Hunt KJ, Spruill IJ, Fernandes JK, Aldrich MC, Reich D, Garvey WT, Langefeld CD, Sale MM, Ramos PS. Genetic landscape of Gullah African Americans. Am J Phys Anthropol 2021; 175:905-919. [PMID: 34008864 PMCID: PMC8286328 DOI: 10.1002/ajpa.24333] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 03/30/2021] [Accepted: 04/17/2021] [Indexed: 01/20/2023]
Abstract
OBJECTIVES Gullah African Americans are descendants of formerly enslaved Africans living in the Sea Islands along the coast of the southeastern U.S., from North Carolina to Florida. Their relatively high numbers and geographic isolation were conducive to the development and preservation of a unique culture that retains deep African features. Although historical evidence supports a West-Central African ancestry for the Gullah, linguistic and cultural evidence of a connection to Sierra Leone has led to the suggestion of this country/region as their ancestral home. This study sought to elucidate the genetic structure and ancestry of the Gullah. MATERIALS AND METHODS We leveraged whole-genome genotype data from Gullah, African Americans from Jackson, Mississippi, African populations from Sierra Leone, and population reference panels from Africa and Europe to infer population structure, ancestry proportions, and global estimates of admixture. RESULTS Relative to non-Gullah African Americans from the Southeast US, the Gullah exhibited higher mean African ancestry, lower European admixture, a similarly small Native American contribution, and increased male-biased European admixture. A slightly tighter bottleneck in the Gullah 13 generations ago suggests a largely shared demographic history with non-Gullah African Americans. Despite a slightly higher relatedness to populations from Sierra Leone, our data demonstrate that the Gullah are genetically related to many West African populations. DISCUSSION This study confirms that subtle differences in African American population structure exist at finer regional levels. Such observations can help to inform medical genetics research in African Americans, and guide the interpretation of genetic data used by African Americans seeking to explore ancestral identities.
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Affiliation(s)
- Kip D. Zimmerman
- Center for Precision MedicineWake Forest School of MedicineWinston‐SalemNorth CarolinaUSA
| | - Theodore G. Schurr
- Department of AnthropologyUniversity of PennsylvaniaPhiladelphiaPennsylvaniaUSA
| | - Wei‐Min Chen
- Center for Public Health GenomicsUniversity of VirginiaCharlottesvilleVirginiaUSA
- Department of Public Health SciencesUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Uma Nayak
- Center for Public Health GenomicsUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Josyf C. Mychaleckyj
- Center for Public Health GenomicsUniversity of VirginiaCharlottesvilleVirginiaUSA
- Department of Public Health SciencesUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Queen Quet
- Gullah/Geechee NationSt. Helena IslandSouth CarolinaUSA
| | - Lee H. Moultrie
- Lee H. Moultrie & AssociatesNorth CharlestonSouth CarolinaUSA
| | - Jasmin Divers
- Department of Health Services ResearchNew York University Winthrop HospitalMineolaNew YorkUSA
| | - Keith L. Keene
- Department of BiologyEast Carolina UniversityGreenvilleNorth CarolinaUSA
- Center for Health DisparitiesEast Carolina University Brody School of MedicineGreenvilleNorth CarolinaUSA
| | - Diane L. Kamen
- Department of MedicineMedical University of South CarolinaCharlestonSouth CarolinaUSA
| | - Gary S. Gilkeson
- Department of MedicineMedical University of South CarolinaCharlestonSouth CarolinaUSA
| | - Kelly J. Hunt
- Department of Public Health SciencesMedical University of South CarolinaCharlestonSouth CarolinaUSA
| | - Ida J. Spruill
- College of NursingMedical University of South CarolinaCharlestonSouth CarolinaUSA
| | - Jyotika K. Fernandes
- Department of MedicineMedical University of South CarolinaCharlestonSouth CarolinaUSA
| | - Melinda C. Aldrich
- Department of Thoracic SurgeryVanderbilt University Medical CenterNashvilleTennesseeUSA
- Department of MedicineVanderbilt University Medical CenterNashvilleTennesseeUSA
- Department of Biomedical InformaticsVanderbilt University Medical CenterNashvilleTennesseeUSA
- Vanderbilt Genetics InstituteVanderbilt University Medical CenterNashvilleTennesseeUSA
| | - David Reich
- Department of GeneticsHarvard Medical SchoolBostonMassachusettsUSA
- Howard Hughes Medical InstituteHarvard Medical SchoolBostonMassachusettsUSA
- Broad Institute of MIT and HarvardCambridgeMassachusettsUSA
- Department of Human Evolutionary BiologyHarvard UniversityCambridgeMassachusettsUSA
| | - W. Timothy Garvey
- Department of Nutrition ScienceUniversity of Alabama at BirminghamBirminghamAlabamaUSA
| | - Carl D. Langefeld
- Center for Precision MedicineWake Forest School of MedicineWinston‐SalemNorth CarolinaUSA
| | - Michèle M. Sale
- Center for Public Health GenomicsUniversity of VirginiaCharlottesvilleVirginiaUSA
- Department of Public Health SciencesUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Paula S. Ramos
- Department of MedicineMedical University of South CarolinaCharlestonSouth CarolinaUSA
- Department of Public Health SciencesMedical University of South CarolinaCharlestonSouth CarolinaUSA
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Malek AM, Wilson DA, Turan TN, Mateus J, Lackland DT, Hunt KJ. Abstract 050: Maternal Risk Of Incident Embolism Following Hypertensive Disorders Of Pregnancy Or Pre-pregnancy Hypertension In South Carolina. Circulation 2021. [DOI: 10.1161/circ.143.suppl_1.050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction:
Hypertensive disorders of pregnancy (HDP) and pre-pregnancy hypertension are associated with increased maternal morbidity and mortality, and information on racial/ethnic disparities is lacking. The association of HDP and pre-pregnancy hypertension with incident maternal embolism was examined within five years of delivery and for the study period (≤14 years) overall and by race/ethnicity.
Methods:
Women with a live, singleton birth in South Carolina (2004-2016) aged 12-49 years were included in a retrospective cohort study (n=433,625; non-Hispanic white [NHW; 58.7%], non-Hispanic black [NHB; 31.8%)] and Hispanic [9.5%]). HDP were defined by hospitalization/emergency department (ED) visit data (pre-eclampsia, eclampsia, gestational hypertension) or birth certificates (gestational hypertension). Pre-pregnancy hypertension was also defined by these data sources. Hospitalization/ED visit data and death certificates defined fatal and non-fatal incident embolism. Cox proportional hazards models were used with covariate adjustment.
Results:
In women with ≥1 pregnancy, 81.6% never experienced pre-pregnancy hypertension or HDP, 0.4% had pre-pregnancy hypertension without superimposed HDP, 15.7% had HDP alone, and 2.3% had pre-pregnancy hypertension with superimposed HDP. Incident embolism risk was elevated ≤14 years after delivery for women with HDP alone (HR=1.21, 95% CI: 1.12-1.30) and with pre-pregnancy hypertension with superimposed HDP (HR=1.44, 95% CI: 1.26-1.65) compared to neither condition. Pre-pregnancy hypertension alone was not associated with incident embolism risk (HR=1.23, 95% CI: 0.84-1.80). The table shows the joint impact of racial/ethnicity and the exposure categories.
Discussion:
Fatal and non-fatal embolism up to 14 years after delivery was increased for HDP regardless of pre-pregnancy hypertension suggesting a long-term impact. Incident embolism event rates were highest for NHB women and lowest for Hispanic women across all HDP exposure categories.
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Davis ML, Neelon B, Nietert PJ, Burgette LF, Hunt KJ, Lawson AB, Egede LE. Propensity score matching for multilevel spatial data: accounting for geographic confounding in health disparity studies. Int J Health Geogr 2021; 20:10. [PMID: 33639940 PMCID: PMC7913404 DOI: 10.1186/s12942-021-00265-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 02/10/2021] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Diabetes is a public health burden that disproportionately affects military veterans and racial minorities. Studies of racial disparities are inherently observational, and thus may require the use of methods such as Propensity Score Analysis (PSA). While traditional PSA accounts for patient-level factors, this may not be sufficient when patients are clustered at the geographic level and thus important confounders, whether observed or unobserved, vary by geographic location. METHODS We employ a spatial propensity score matching method to account for "geographic confounding", which occurs when the confounding factors, whether observed or unobserved, vary by geographic region. We augment the propensity score and outcome models with spatial random effects, which are assigned scaled Besag-York-Mollié priors to address spatial clustering and improve inferences by borrowing information across neighboring geographic regions. We apply this approach to a study exploring racial disparities in diabetes specialty care between non-Hispanic black and non-Hispanic white veterans. We construct multiple global estimates of the risk difference in diabetes care: a crude unadjusted estimate, an estimate based solely on patient-level matching, and an estimate that incorporates both patient and spatial information. RESULTS In simulation we show that in the presence of an unmeasured geographic confounder, ignoring spatial heterogeneity results in increased relative bias and mean squared error, whereas incorporating spatial random effects improves inferences. In our study of racial disparities in diabetes specialty care, the crude unadjusted estimate suggests that specialty care is more prevalent among non-Hispanic blacks, while patient-level matching indicates that it is less prevalent. Hierarchical spatial matching supports the latter conclusion, with a further increase in the magnitude of the disparity. CONCLUSIONS These results highlight the importance of accounting for spatial heterogeneity in propensity score analysis, and suggest the need for clinical care and management strategies that are culturally sensitive and racially inclusive.
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Affiliation(s)
- Melanie L. Davis
- Ralph H. Johnson VA Medical Center, Department of Veterans Affairs, Charleston, US
| | - Brian Neelon
- Ralph H. Johnson VA Medical Center, Department of Veterans Affairs, Charleston, US
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, US
| | - Paul J. Nietert
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, US
| | | | - Kelly J. Hunt
- Ralph H. Johnson VA Medical Center, Department of Veterans Affairs, Charleston, US
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, US
| | - Andrew B. Lawson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, US
| | - Leonard E. Egede
- Center for Advancing Population Science, Medical College of Wisconsin, Milwaukee, US
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Malek AM, Wilson DA, Turan TN, Mateus J, Lackland DT, Hunt KJ. Maternal Coronary Heart Disease, Stroke, and Mortality Within 1, 3, and 5 Years of Delivery Among Women With Hypertensive Disorders of Pregnancy and Pre-Pregnancy Hypertension. J Am Heart Assoc 2021; 10:e018155. [PMID: 33619981 PMCID: PMC8174275 DOI: 10.1161/jaha.120.018155] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 01/04/2021] [Indexed: 12/26/2022]
Abstract
Background Pre-pregnancy hypertension and hypertensive disorders of pregnancy (HDP; preeclampsia, eclampsia, gestational hypertension) are major health risks for maternal morbidity and mortality. However, it is unknown if racial/ethnic differences exist. We aimed to determine the impact of HDP and pre-pregnancy hypertension on maternal coronary heart disease, stroke, and mortality risk ≤1, 3, and 5 years post-delivery and by race/ethnicity ≤5 years. Methods and Results This retrospective cohort study included women aged 12 to 49 years with a live, singleton birth between 2004 to 2016 (n=254 491 non-Hispanic White; n=137 784 non-Hispanic Black; n=41 155 Hispanic). Birth and death certificates and International Classification of Diseases, Ninth and Tenth Revision, Clinical Modification (ICD-9-CM and ICD-10-CM) diagnosis codes in hospitalization/emergency department visit data defined HDP, pre-pregnancy hypertension, incident coronary heart disease and stroke, and all-cause mortality. During at least 1 pregnancy of the 433 430 women, 2.3% had pre-pregnancy hypertension with superimposed HDP, 15.7% had no pre-pregnancy hypertension with HDP, and 0.4% had pre-pregnancy hypertension without superimposed HDP, whereas 81.6% had neither condition. Maternal deaths from coronary heart disease, stroke, and all causes totaled 2136. Within 5 years of delivery, pre-pregnancy hypertension, and HDP were associated with all-cause mortality (hazard ratio [HR], 2.21; 95% CI, 1.61-3.03), incident coronary heart disease (HR, 3.79; 95% CI, 3.09-4.65), and incident stroke (HR, 3.10; 95% CI, 2.09-4.60). HDP alone was related to all outcomes. Race/ethnic differences were observed for non-Hispanic Black and non-Hispanic White women, respectively, in the associations of pre-pregnancy hypertension and HDP with all-cause mortality within 5 years of delivery (HR, 2.34 [95% CI, 1.58-3.47]; HR, 2.11 [95% CI, 1.23-3.65]; P interaction=0.001). Conclusions Maternal cardiovascular outcomes including mortality were increased ≤5 years post-delivery in HDP, pre-pregnancy hypertension, or pre-pregnancy hypertension with superimposed HDP. The race/ethnic interaction for all-cause mortality ≤5 years of delivery warrants further research.
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Affiliation(s)
- Angela M. Malek
- Department of Public Health SciencesMedical University of South CarolinaCharlestonSC
| | - Dulaney A. Wilson
- Department of Public Health SciencesMedical University of South CarolinaCharlestonSC
| | - Tanya N. Turan
- Department of NeurologyMedical University of South CarolinaCharlestonSC
| | - Julio Mateus
- Atrium HealthDepartment of Obstetrics & GynecologyMaternal‐Fetal Medicine DivisionCharlotteNC
| | | | - Kelly J. Hunt
- Department of Public Health SciencesMedical University of South CarolinaCharlestonSC
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Stevens DR, Neelon B, Roberts JR, Taylor SN, Newman RB, Vena JE, Hunt KJ. Mediation of the association between maternal pre-pregnancy overweight/obesity and childhood overweight/obesity by birth anthropometry. J Dev Orig Health Dis 2021; 12:71-78. [PMID: 32077839 PMCID: PMC7438242 DOI: 10.1017/s2040174420000033] [Citation(s) in RCA: 6] [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] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The mechanism through which developmental programming of offspring overweight/obesity following in utero exposure to maternal overweight/obesity operates is unknown but may operate through biologic pathways involving offspring anthropometry at birth. Thus, we sought to examine to what extent the association between in utero exposure to maternal overweight/obesity and childhood overweight/obesity is mediated by birth anthropometry. Analyses were conducted on a retrospective cohort with data obtained from one hospital system. A natural effects model framework was used to estimate the natural direct effect and natural indirect effect of birth anthropometry (weight, length, head circumference, ponderal index, and small-for-gestational age [SGA] or large-for-gestational age [LGA]) for the association between pre-pregnancy maternal body mass index (BMI) category (overweight/obese vs normal weight) and offspring overweight/obesity in childhood. Models were adjusted for maternal and child socio-demographics. Three thousand nine hundred and fifty mother-child dyads were included in analyses (1467 [57.8%] of mothers and 913 [34.4%] of children were overweight/obese). Results suggest that a small percentage of the effect of maternal pre-pregnancy BMI overweight/obesity on offspring overweight/obesity operated through offspring anthropometry at birth (weight: 15.5%, length: 5.2%, head circumference: 8.5%, ponderal index: 2.2%, SGA: 2.9%, and LGA: 4.2%). There was a small increase in the percentage mediated when gestational diabetes or hypertensive disorders were added to the models. Our study suggests that some measures of birth anthropometry mediate the association between maternal pre-pregnancy overweight/obesity and offspring overweight/obesity in childhood and that the size of this mediated effect is small.
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Affiliation(s)
- Danielle R. Stevens
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Brian Neelon
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - James R. Roberts
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Sarah N. Taylor
- Department of Pediatrics, Yale School of Medicine, New Haven, CT 06520, USA
| | - Roger B. Newman
- Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC 29425, USA
| | - John E. Vena
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
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Commodore S, Ferguson PL, Neelon B, Newman R, Grobman W, Tita A, Pearce J, Bloom MS, Svendsen E, Roberts J, Skupski D, Sciscione A, Palomares K, Miller R, Wapner R, Vena JE, Hunt KJ. Reported Neighborhood Traffic and the Odds of Asthma/Asthma-Like Symptoms: A Cross-Sectional Analysis of a Multi-Racial Cohort of Children. Int J Environ Res Public Health 2020; 18:E243. [PMID: 33396261 PMCID: PMC7794885 DOI: 10.3390/ijerph18010243] [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] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/11/2020] [Accepted: 12/25/2020] [Indexed: 11/16/2022]
Abstract
Asthma in children poses a significant clinical and public health burden. We examined the association between reported neighborhood traffic (a proxy for traffic-related air pollution) and asthma among 855 multi-racial children aged 4-8 years old who participated in the Environmental Influences on Child Health Outcomes (ECHO) cohort. We hypothesized that high neighborhood traffic density would be associated with the prevalence of asthma. Asthma/asthma-like symptoms (defined as current and/or past physician diagnosed asthma, past wheezing, or nighttime cough or wheezing in the past 12 months) was assessed by parental report. The relationship between neighborhood traffic and asthma/asthma-like symptoms was assessed using logistic regression. The prevalence of asthma/asthma-like symptoms among study participants was 23%, and 15% had high neighborhood traffic. Children with significant neighborhood traffic had a higher odds of having asthma/asthma-like symptoms than children without neighborhood traffic [adjusted OR = 2.01 (95% CI: 1.12, 3.62)] after controlling for child's race-ethnicity, age, sex, maternal education, family history of asthma, play equipment in the home environment, public parks, obesity and prescribed asthma medication. Further characterization of neighborhood traffic is needed since many children live near high traffic zones and significant racial/ethnic disparities exist.
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Affiliation(s)
- Sarah Commodore
- Department of Environmental and Occupational Health, Indiana University, Bloomington, IN 47405, USA
| | - Pamela L. Ferguson
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (P.L.F.); (B.N.); (J.P.); (E.S.); (J.E.V.); (K.J.H.)
| | - Brian Neelon
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (P.L.F.); (B.N.); (J.P.); (E.S.); (J.E.V.); (K.J.H.)
| | - Roger Newman
- Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC 29425, USA;
| | - William Grobman
- Department of Obstetrics and Gynecology, Northwestern University, Chicago, IL 60611, USA;
| | - Alan Tita
- Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, AL 35233, USA;
| | - John Pearce
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (P.L.F.); (B.N.); (J.P.); (E.S.); (J.E.V.); (K.J.H.)
| | - Michael S. Bloom
- Department of Global and Community Health, George Mason University, Fairfax, VA 22030, USA;
| | - Erik Svendsen
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (P.L.F.); (B.N.); (J.P.); (E.S.); (J.E.V.); (K.J.H.)
| | - James Roberts
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC 29425, USA;
| | - Daniel Skupski
- Department of Obstetrics and Gynecology, New York-Presbyterian Queens Hospital, Queens, NY 11365, USA;
- Department of Obstetrics and Gynecology, Weill Cornell Graduate School of Medical Sciences, Cornell University, New York, NY 10021, USA
| | - Anthony Sciscione
- Department of Obstetrics and Gynecology, Christiana Care Health System, Wilmington, DE 19899, USA;
| | - Kristy Palomares
- Department of Obstetrics and Gynecology, Saint Peter’s University Hospital, New Brunswick, NJ 08901, USA;
| | - Rachel Miller
- Department of Medicine, Division of Clinical Immunology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA;
| | - Ronald Wapner
- Columbia University Irving Medical Center, Department of Obstetrics and Gynecology, Columbia University, New York, NY 10032, USA;
| | - John E. Vena
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (P.L.F.); (B.N.); (J.P.); (E.S.); (J.E.V.); (K.J.H.)
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (P.L.F.); (B.N.); (J.P.); (E.S.); (J.E.V.); (K.J.H.)
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Hunt KJ, Davis M, Pearce J, Bian J, Guagliardo MF, Moy E, Axon RN, Neelon B. Geographic and Racial/Ethnic Variation in Glycemic Control and Treatment in a National Sample of Veterans With Diabetes. Diabetes Care 2020; 43:2460-2468. [PMID: 32769125 PMCID: PMC7510017 DOI: 10.2337/dc20-0514] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 07/09/2020] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Geographic and racial/ethnic disparities related to diabetes control and treatment have not previously been examined at the national level. RESEARCH DESIGN AND METHODS A retrospective cohort study was conducted in a national cohort of 1,140,634 veterans with diabetes, defined as two or more diabetes ICD-9 codes (250.xx) across inpatient and outpatient records. Main exposures of interest included 125 Veterans Administration Medical Center (VAMC) catchment areas as well as racial/ethnic group. The main outcome measure was HbA1c level dichotomized at ≥8.0% (≥64 mmol/mol). RESULTS After adjustment for age, sex, racial/ethnic group, service-connected disability, marital status, and the van Walraven Elixhauser comorbidity score, the prevalence of uncontrolled diabetes varied by VAMC catchment area, with values ranging from 19.1% to 29.2%. Moreover, these differences largely persisted after further adjusting for medication use and adherence as well as utilization and access metrics. Racial/ethnic differences in diabetes control were also noted. In our final models, compared with non-Hispanic Whites, non-Hispanic Blacks (odds ratio 1.11 [95% credible interval 1.09-1.14]) and Hispanics (1.36 [1.09-1.14]) had a higher odds of uncontrolled HBA1c level. CONCLUSIONS In a national cohort of veterans with diabetes, we found geographic as well as racial/ethnic differences in diabetes control rates that were not explained by adjustment for demographics, comorbidity burden, use or type of diabetes medication, health care utilization, access metrics, or medication adherence. Moreover, disparities in suboptimal control appeared consistent across most, but not all, VAMC catchment areas, with non-Hispanic Black and Hispanic veterans having a higher odds of suboptimal diabetes control than non-Hispanic White veterans.
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Affiliation(s)
- Kelly J Hunt
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H. Johnson VA Medical Center, Charleston, SC .,Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - Melanie Davis
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H. Johnson VA Medical Center, Charleston, SC
| | - John Pearce
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
| | - John Bian
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H. Johnson VA Medical Center, Charleston, SC
| | - Mark F Guagliardo
- Data Governance and Analytics, U.S. Department of Veterans Affairs, Washington, DC
| | - Ernest Moy
- Veterans Health Administration Office of Health Equity, Rockville, MD
| | - R Neal Axon
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H. Johnson VA Medical Center, Charleston, SC
| | - Brian Neelon
- Charleston Health Equity and Rural Outreach Innovation Center (HEROIC), Ralph H. Johnson VA Medical Center, Charleston, SC.,Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC
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Blackwell CK, Hartstein LE, Elliott AJ, Forrest CB, Ganiban J, Hunt KJ, Camargo CA, LeBourgeois MK. Better sleep, better life? How sleep quality influences children's life satisfaction. Qual Life Res 2020; 29:2465-2474. [PMID: 32399666 PMCID: PMC7442661 DOI: 10.1007/s11136-020-02491-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [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] [Accepted: 03/19/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE To assess the association between children's sleep quality and life satisfaction; and to evaluate the underlying mechanisms of this relationship. METHODS Three pediatric cohorts in the National Institutes of Health (NIH) Environmental influences on Child Health (ECHO) Research Program administered Patient-Reported Outcome Measurement Information System (PROMIS®) parent-proxy measures to caregivers (n = 1111) who reported on their 5- to 9-year-old children's (n = 1251) sleep quality, psychological stress, general health, and life satisfaction; extant sociodemographic data were harmonized across cohorts. Bootstrapped path modeling of individual patient data meta-analysis was used to determine whether and to what extent stress and general health mediate the relationship between children's sleep quality and life satisfaction. RESULTS Nonparametric bootstrapped path analyses with 1000 replications suggested children's sleep quality was associated with lower levels of stress and better general health, which, in turn, predicted higher levels of life satisfaction. Family environmental factors (i.e., income and maternal mental health) moderated these relationships. CONCLUSION Children who sleep well have happier lives than those with more disturbed sleep. Given the modifiable nature of children's sleep quality, this study offers evidence to inform future interventional studies on specific mechanisms to improve children's well-being.
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Affiliation(s)
- Courtney K Blackwell
- Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, 625 N. Michigan Ave, Fl. 2100, Chicago, IL, 60611, USA.
| | | | - Amy J Elliott
- Avera McKennan Hospital & University Medical Center, Sioux Falls, SD, USA
| | | | - Jody Ganiban
- George Washington University, Washington, DC, USA
| | - Kelly J Hunt
- Medical University of South Carolina College of Medicine, Charleston, SC, USA
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Tylavsky FA, Ferrara A, Catellier DJ, Oken E, Li X, Law A, Dabelea D, Rundle A, Gilbert-Diamond D, Hivert MF, Breton CV, Cassidy-Bushrow AE, Mueller NT, Hunt KJ, Arteaga SS, Lombo T, Mahabir S, Ruden D, Sauder K, Hedderson MM, Zhu Y, Polk S, Mihalopoulos NL, Vos M, Pyles L, Roary M, Aschner J, Karagas MR, Trasande L. Understanding childhood obesity in the US: the NIH environmental influences on child health outcomes (ECHO) program. Int J Obes (Lond) 2020; 44:617-627. [PMID: 31649277 PMCID: PMC7060502 DOI: 10.1038/s41366-019-0470-5] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 09/18/2019] [Accepted: 09/27/2019] [Indexed: 11/09/2022]
Abstract
BACKGROUND Few resources exist for prospective, longitudinal analysis of the relationships between early life environment and later obesity in large diverse samples of children in the United States (US). In 2016, the National Institutes of Health launched the Environmental influences on Child Health Outcomes (ECHO) program to investigate influences of environmental exposures on child health and development. We describe demographics and overweight and obesity prevalence in ECHO, and ECHO's potential as a resource for understanding how early life environmental factors affect obesity risk. METHODS In this cross-sectional study of 70 extant US and Puerto Rico cohorts, 2003-2017, we examined age, race/ethnicity, and sex in children with body mass index (BMI) data, including 28,507 full-term post-birth to <2 years and 38,332 aged 2-18 years. Main outcomes included high BMI for age <2 years, and at 2-18 years overweight (BMI 85th to <95th percentile), obesity (BMI ≥ 95th percentile), and severe obesity (BMI ≥ 120% of 95th percentile). RESULTS The study population had diverse race/ethnicity and maternal demographics. Each outcome was more common with increasing age and varied with race/ethnicity. High BMI prevalence (95% CI) was 4.7% (3.5, 6.0) <1 year, and 10.6% (7.4, 13.7) for 1 to <2 years; overweight prevalence increased from 13.9% (12.4, 15.9) at 2-3 years to 19.9% (11.7, 28.2) at 12 to <18 years. ECHO has the statistical power to detect relative risks for 'high' BMI ranging from 1.2 to 2.2 for a wide range of exposure prevalences (1-50%) within each age group. CONCLUSIONS ECHO is a powerful resource for understanding influences of chemical, biological, social, natural, and built environments on onset and trajectories of obesity in US children. The large sample size of ECHO cohorts adopting a standardized protocol for new data collection of varied exposures along with longitudinal assessments will allow refined analyses to identify drivers of childhood obesity.
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Affiliation(s)
- Frances A Tylavsky
- Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Assiamira Ferrara
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | | | - Emily Oken
- Division of Chronic Disease Research Across the Lifecourse (CoRAL), Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA
| | - Xiuhong Li
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Andrew Law
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Dana Dabelea
- Departments of Epidemiology and Pediatrics, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Denver, CO, USA
| | - Andrew Rundle
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Diane Gilbert-Diamond
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - Marie-France Hivert
- Division of Chronic Disease Research Across the Lifecourse (CoRAL), Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA
| | - Carrie V Breton
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | | | - Noel T Mueller
- Welch Center for Epidemiology, Prevention and Clinical Research, Johns Hopkins University Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Kelly J Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - S Sonia Arteaga
- National Heart, Lung, and Blood Institute, Bethesda, MD, USA
| | - Tania Lombo
- NIH Office of the Director, ECHO Program, Bethesda, MD, USA
| | - Somdat Mahabir
- Epidemiology and Genomics Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, National Institutes of Health, Rockville, MD, USA
| | - Doug Ruden
- Department of Obstetrics and Gynecology, Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Katherine Sauder
- Departments of Pediatrics and Epidemiology, University of Colorado, Denver, CO, USA
| | - Monique M Hedderson
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | - Yeyi Zhu
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | - Sarah Polk
- Department of Pediatrics and Centro SOL, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | | | - Miriam Vos
- Department of Pediatrics, Emory University, Atlanta, GA, USA
| | - Lee Pyles
- Department of Pediatrics, West Virginia University School of Medicine, Morgantown, WV, USA
| | - Mary Roary
- National Institute of Nursing Research and Environmental Influences on Child Health Outcomes Program, National Institutes of Health, Rockville, MD, USA
| | - Judy Aschner
- Department of Pediatrics and Obstetrics, Gynecology and Women's Health, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Margaret R Karagas
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - Leonardo Trasande
- Departments of Pediatrics, Environmental Medicine and Population Health, NYU School of Medicine, New York, NY, USA.
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Newman JC, McBurney MI, Hunt KJ, Malek AM, Marriott BP. Modeling Possible Outcomes of Updated Daily Values on Nutrient Intakes of the United States Adult Population. Nutrients 2020; 12:E210. [PMID: 31941154 PMCID: PMC7019904 DOI: 10.3390/nu12010210] [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] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 01/08/2020] [Indexed: 11/17/2022] Open
Abstract
The United States (US) Food and Drug Administration has updated the Daily Values (DVs) for the Nutrition Facts Label on packaged foods. We used the National Health and Nutrition Examination Survey 2009-2012 data with the International Life Sciences Institute, North America Fortification Database, which identifies intrinsic, mandatory enriched, and fortified sources of nutrients in foods and beverages, to model the new DVs' potential impact on adult (≥19 years of age) intake. We assumed that manufacturers will adjust voluntary fortification to maintain percent DV claims. We assessed the percent of the US population whose usual intake (UI) was < the Estimated Average Requirement (EAR), and ≥ the Upper Limit (UL) based on the current DVs, and modeled estimated UI and %
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Affiliation(s)
- Jill C. Newman
- Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA;
| | - Michael I. McBurney
- Human Health & Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Kelly J. Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (K.J.H.); (A.M.M.)
| | - Angela M. Malek
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA; (K.J.H.); (A.M.M.)
| | - Bernadette P. Marriott
- Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA;
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
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Maa AY, Medert CM, Lu X, Janjua R, Howell AV, Hunt KJ, McCord S, Giangiacomo A, Lynch MG. Diagnostic Accuracy of Technology-based Eye Care Services. Ophthalmology 2020; 127:38-44. [DOI: 10.1016/j.ophtha.2019.07.026] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 07/01/2019] [Accepted: 07/26/2019] [Indexed: 11/27/2022] Open
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Stevens DR, Taylor SN, Roberts JR, Neelon B, Newman RB, Vena JE, Hunt KJ. Breastfeeding Initiation as Related to the Interaction of Race/Ethnicity and Maternal Diabetes. Breastfeed Med 2019; 14:630-639. [PMID: 31364862 PMCID: PMC6857546 DOI: 10.1089/bfm.2019.0065] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Introduction: The health benefits of breastfeeding for both the mother and her offspring are well established, and breastfeeding may be especially important for mitigating negative health effects of pregnancy complicated by diabetes. Objective: This study sought to examine the association between race/ethnicity, maternal diabetes, and breastfeeding initiation in South Carolina (SC). Materials and Methods: Our study population is comprised of all live, singleton, full-term births in SC delivered January 2004 to December 2016 (292,468 non-Hispanic Whites, 173,158 non-Hispanic Blacks, and 52,174 Hispanics). Generalized estimating equations and an interaction term between race/ethnicity and maternal diabetes status were used to estimate the race/ethnic-specific odds ratio (OR) and 95% confidence intervals (CIs) that a mother with diabetes versus without diabetes initiated breastfeeding. Models were adjusted for maternal and infant sociodemographics (Model 1), additionally for clinical variables and birth outcomes (Model 2), and also for maternal prepregnancy body mass index (BMI) (Model 3). Results: We found statistically significant differences in breastfeeding initiation by race/ethnicity and diabetes status in Model 1. These associations were attenuated and lost significance upon additional adjustment. Non-Hispanic Black mothers with gestational diabetes were significantly more likely to initiate breastfeeding than nondiabetic non-Hispanic Black mothers, even after adjustment for prepregnancy BMI (OR: 1.07 [95% CI 1.02-1.12]). Conclusion: This large, population-based study of all live, singleton, full-term births in SC improves our understanding of how race/ethnicity and maternal metabolic disorders impact breastfeeding initiation, and may inform future hospital-based breastfeeding interventions in populations with the most need.
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Affiliation(s)
- Danielle R Stevens
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Sarah N Taylor
- Department of Pediatrics, Yale School of Medicine, New Haven, Connecticut
| | - James R Roberts
- Department of Pediatrics and Medical University of South Carolina, Charleston, South Carolina
| | - Brian Neelon
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Roger B Newman
- Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina
| | - John E Vena
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
| | - Kelly J Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina
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Maa AY, McCord S, Lu X, Janjua R, Howell AV, Hunt KJ, Medert CM, Giangiacomo A, Lynch MG. The Impact of OCT on Diagnostic Accuracy of the Technology-Based Eye Care Services Protocol: Part II of the Technology-Based Eye Care Services Compare Trial. Ophthalmology 2019; 127:544-549. [PMID: 31791664 DOI: 10.1016/j.ophtha.2019.10.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 10/16/2019] [Accepted: 10/23/2019] [Indexed: 11/16/2022] Open
Abstract
PURPOSE Ophthalmologic telemedicine programs help to address the growing demand for eye care and lessen healthcare disparities for patients. One example is Technology-Based Eye Care Services (TECS), implemented in the Veteran Affairs Healthcare System in 2015. Accuracy and quality data for TECS both have been reported, and data suggest that although the TECS examination is comparable with an in-person examination, sensitivity for glaucoma and glaucoma suspect detection is less than that for other diseases, such as macular degeneration. Several articles suggest that OCT can improve disease detection for glaucoma. Therefore, this study was undertaken to test the impact of OCT on the accuracy of the TECS protocol. This article reports the data from part II of the TECS Compare trial; results from part I are discussed in a previous article. DESIGN Prospective comparison between the TECS protocol with OCT versus a face-to-face (FTF) examination for 256 patients. PARTICIPANTS An eligible patient was defined as a patient with no known ocular disease who desired a routine eye examination. METHODS Patient underwent the TECS protocol workup and OCT nerve, OCT macula, and FTF examination on the same day. MAIN OUTCOME MEASURES Percent agreement, κ values, sensitivity, and specificity were calculated for nonexpert readers after OCT interpretation of the TECS protocol using the FTF examination as the clinical gold standard. RESULTS OCT did not improve the diagnostic accuracy of the TECS protocol when compared with an FTF examination. In most cases, OCT had no impact, and in the case of reader 2, OCT actually reduced the κ value from moderate agreement to agreement equal to chance while lowering the percent agreement by 10%. OCT also did not impact inter- or intrareader variability parameters. CONCLUSIONS In this study, OCT did not seem to improve the accuracy of glaucoma or retinal disease detection when added to the standard TECS protocol. In one case, OCT worsened the agreement of the reader compared with the FTF. Further study is necessary to confirm these findings, and results may change if the readers are glaucoma or retina specialists instead of nonexpert OCT readers, comprehensive and anterior segment specialists.
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Affiliation(s)
- April Y Maa
- Technology-Based Eye Care Services Section, Regional Telehealth Services, VISN 7, Atlanta Veteran Affairs Health Care System, Atlanta, Georgia; Emory University School of Medicine, Atlanta, Georgia.
| | - Sarah McCord
- New York Eye and Ear Infirmary, Mount Sinai School of Medicine, New York, New York
| | - Xiaoqin Lu
- Technology-Based Eye Care Services Section, Regional Telehealth Services, VISN 7, Atlanta Veteran Affairs Health Care System, Atlanta, Georgia; Emory University School of Medicine, Atlanta, Georgia
| | - Rabeea Janjua
- Technology-Based Eye Care Services Section, Regional Telehealth Services, VISN 7, Atlanta Veteran Affairs Health Care System, Atlanta, Georgia
| | - Ashley V Howell
- Charleston Health Equity and Rural Outreach Innovation Center, Ralph A. Johnson Department of Veterans Affairs Medical Center, Charleston, South Carolina
| | - Kelly J Hunt
- Charleston Health Equity and Rural Outreach Innovation Center, Ralph A. Johnson Department of Veterans Affairs Medical Center, Charleston, South Carolina
| | - Charles M Medert
- Bascom Palmer Eye Institute, University of Miami, Miami, Florida
| | - Annette Giangiacomo
- Technology-Based Eye Care Services Section, Regional Telehealth Services, VISN 7, Atlanta Veteran Affairs Health Care System, Atlanta, Georgia; Emory University School of Medicine, Atlanta, Georgia
| | - Mary G Lynch
- Emory University School of Medicine, Atlanta, Georgia; Ophthalmology Section, Surgical Services, Atlanta Veteran Affairs Health Care System, Atlanta, Georgia
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Hunt KJ, Jenkins AJ, Fu D, Stevens D, Ma JX, Klein RL, Azar M, Zhang SX, Lopes-Virella MF, Lyons TJ. Serum pigment epithelium-derived factor: Relationships with cardiovascular events, renal dysfunction, and mortality in the Veterans Affairs Diabetes Trial (VADT) cohort. J Diabetes Complications 2019; 33:107410. [PMID: 31434620 PMCID: PMC6786884 DOI: 10.1016/j.jdiacomp.2019.107410] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [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] [Received: 05/24/2019] [Revised: 07/22/2019] [Accepted: 07/24/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND To determine if serum pigment epithelium-derived factor (PEDF) levels predict cardiovascular events, renal dysfunction and mortality in the Veterans Affairs Diabetes Study (VADT). METHODS PEDF was evaluated in relation to subsequent cardiovascular outcomes, mortality, and renal dysfunction (defined as urinary albumin creatinine ratio (ACR) ≥300 mg/g), or chronic kidney disease (CKD) stages 3 (eGFR<60 ml/min) or 4 (eGFR<60 and <30 ml/min respectively). PEDF was measured by ELISA on sera from 881 participants collected a median (range) of 1.7 (0-5.0) years post-baseline, and later, from 832 participants 4.0 (1.5-6.9) years post-baseline. RESULTS In 743 participants, PEDF was measured at both time-points. PEDF increased over time from (mean ± SD) 10.5 ± 4.03 to 11.0 ± 4.86 ng/ml (paired t-test p = 0.0092). Lower eGFR (p < 0.01), higher serum creatinine (p < 0.01) and urinary ACR (p < 0.01) were associated with increasing PEDF. Multivariate event time models included either one or two follow-up windows (i.e., between first and second PEDF measures; and, when available, from second PEDF measure until study-end). PEDF tertiles were not associated with cardiovascular events, but were significantly associated with all-cause mortality [HR = 2.00 (1.03, 3.89) comparing first to third tertile] in models adjusted for age, minority status, VADT treatment arm and prior cardiovascular event status. Higher PEDF levels also associated with development of kidney dysfunction with adjusted HRs (95% CI comparing third to first PEDF tertiles: 2.74 (1.71, 4.39) for stage 3 CKD; and 3.84 (95% CI: 1.17, 12.5) for stage 4 CKD. CONCLUSIONS Over 2-years, higher serum PEDF levels predicted advanced nephropathy in patients with type 2 diabetes.
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Affiliation(s)
- Kelly J Hunt
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, United States of America; Research Service, Ralph H. Johnson VA Medical Center, Charleston, SC, United States of America.
| | - Alicia J Jenkins
- Division of Endocrinology, Department of Medicine, Medical University of South Carolina, Charleston, SC, United States of America
| | - Dongxu Fu
- Section of Endocrinology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States of America
| | - Danielle Stevens
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, United States of America
| | - Jian-Xing Ma
- Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States of America
| | - Richard L Klein
- Research Service, Ralph H. Johnson VA Medical Center, Charleston, SC, United States of America; Division of Endocrinology, Department of Medicine, Medical University of South Carolina, Charleston, SC, United States of America
| | - Madona Azar
- Section of Endocrinology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States of America
| | - Sarah X Zhang
- Department of Ophthalmology and Ross Eye Institute, University at Buffalo & SUNY Eye Institute, State University of New York, Buffalo, NY, United States of America
| | - Maria F Lopes-Virella
- Research Service, Ralph H. Johnson VA Medical Center, Charleston, SC, United States of America; Division of Endocrinology, Department of Medicine, Medical University of South Carolina, Charleston, SC, United States of America
| | - Timothy J Lyons
- Division of Endocrinology, Department of Medicine, Medical University of South Carolina, Charleston, SC, United States of America
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Ward RC, Egede L, Ramakrishnan V, Frey L, Axon RN, Dismuke CLE, Hunt KJ, Gebregziabher M. An improved comorbidity summary score for measuring disease burden and predicting mortality with applications to two national cohorts. COMMUN STAT-THEOR M 2019. [DOI: 10.1080/03610926.2018.1498896] [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] [Indexed: 10/28/2022]
Affiliation(s)
- Ralph C. Ward
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Leonard Egede
- Division of General Internal Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | | | - Lewis Frey
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Robert Neal Axon
- College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | | | - Kelly J. Hunt
- College of Medicine, Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Mulugeta Gebregziabher
- College of Medicine, Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
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Lopes-Virella MF, Bebu I, Hunt KJ, Virella G, Baker NL, Braffett B, Gao X, Lachin JM. Immune Complexes and the Risk of CVD in Type 1 Diabetes. Diabetes 2019; 68:1853-1860. [PMID: 31217176 PMCID: PMC6702641 DOI: 10.2337/db19-0358] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [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: 04/09/2019] [Accepted: 06/17/2019] [Indexed: 12/15/2022]
Abstract
We investigated whether the composition of modified forms of LDL in circulating immune complexes (LDL-ICs) was associated with cardiovascular disease (CVD) outcomes, including any CVD, major adverse cardiac and cerebrovascular events (MACCE), myocardial infarction (MI), and coronary artery disease, in type 1 diabetes (T1D). Our results demonstrate that the baseline levels of oxidized LDL (oxLDL), MDA-modified LDL (MDA-LDL), and advanced glycosylation-modified LDL (AGE-LDL) in circulating ICs were associated with the four CVD outcomes in unadjusted models, and adjustment by age and mean HbA1c only resulted in minimal reduction of these associations. After adjustments were made for other cardiovascular risk factors, particularly LDL cholesterol, oxLDL-IC and MDA-LDL-IC remained independently associated with the risk of CVD, and oxLDL-IC was independently associated with the risk of MACCE and MI. In the majority of cases, the baseline levels of modified LDL-IC (measured many years before the occurrence of any CVD event) were associated with the risk of CVD over a 25-year period even after adjustment for other risk factors (including LDL cholesterol). Therefore, modified LDL biomarkers may help identify patients with T1D at high risk for MACCE and CVD events very early in the evolution of the disease, before other signals of disease are apparent.
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Affiliation(s)
| | - Ionut Bebu
- Biostatistics Center, The George Washington University, Rockville, MD
| | - Kelly J Hunt
- Medical University of South Carolina, Charleston, SC
| | | | | | - Barbara Braffett
- Biostatistics Center, The George Washington University, Rockville, MD
| | - Xiaoyu Gao
- Biostatistics Center, The George Washington University, Rockville, MD
| | - John M Lachin
- Biostatistics Center, The George Washington University, Rockville, MD
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Marriott BP, Hunt KJ, Malek AM, Newman JC. Trends in Intake of Energy and Total Sugar from Sugar-Sweetened Beverages in the United States among Children and Adults, NHANES 2003-2016. Nutrients 2019; 11:E2004. [PMID: 31450689 PMCID: PMC6770750 DOI: 10.3390/nu11092004] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 08/21/2019] [Accepted: 08/22/2019] [Indexed: 02/04/2023] Open
Abstract
Consumption of sugar-sweetened beverages (SSBs) increases total caloric intake, is linked to cardiometabolic outcomes as well as dental caries, and sugar in SSBs is associated with mortality and frailty among adults. We describe energy and total sugar intake trends among the United States (US) population from SSBs, soft drinks, other beverage groups, and the total diet based on the first 24-h recall data from the National Health and Nutrition Examination Survey (NHANES) cycles (2003-2004 through 2015-2016). SSBs included soft drinks, sports drinks, energy drinks, and fruit drinks, but excluded sports beverages with protein and sweetened teas/coffees. Among the total population (age ≥2 years: 57,026), energy intake from SSBs declined significantly from 183.9 ± 6.9 mean kcal/d (±SE) in 2003-2004 to 95.0 ± 3.5 in 2015-2016, while total sugar intake declined from 43.6 ± 1.7 mean g/d to 22.3 ± 0.8 (p-trend < 0.0001). Decreases were found for energy and total sugar intake, as well as percentage of energy and total sugar intake from SSBs, soft drinks, and all beverages for all age groups examined (≥2, 2-19, ≥20 years) (p-trend < 0.0001). From 2003 to 2016, energy and sugar intake from all beverages, SSBs, soft drinks, and the total diet decreased among the total population, children, and adults.
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Affiliation(s)
- Bernadette P Marriott
- Department of Medicine, Medical University of South Carolina, 114 Doughty Street, Charleston, SC 29425, USA.
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC 29425, USA.
| | - Kelly J Hunt
- Department of Public Health Sciences, Medical University of South Carolina, 135 Cannon Street, Charleston, SC 29425, USA
| | - Angela M Malek
- Department of Public Health Sciences, Medical University of South Carolina, 135 Cannon Street, Charleston, SC 29425, USA
| | - Jill C Newman
- Department of Medicine, Medical University of South Carolina, 114 Doughty Street, Charleston, SC 29425, USA
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