Search Results - "Calhoun, Peter"

Improvement in A1c Levels in Early Adulthood in the T1D Exchange: Impact of Racial, Socioeconomic, and Clinical Factors by Toschi, Elena, Bailey, Ryan J, Miller, Kellee M, Calhoun, Peter M

“…Abstract Context Glycemic control in adolescents with type 1 diabetes is poor; yet, it typically improves during early adulthood. Factors related to…”
Get full text

Constructing Multivariate Survival Trees: The MST Package for R by Calhoun, Peter, Su, Xiaogang, Nunn, Martha, Fan, Juanjuan

“…Multivariate survival trees require few statistical assumptions, are easy to interpret, and provide meaningful diagnosis and prediction rules. Trees can handle…”
Get full text

A Randomized Trial of a Home System to Reduce Nocturnal Hypoglycemia in Type 1 Diabetes by MAAHS, David M, CALHOUN, Peter, SLOVER, Robert, PAUL WADWA, R, WILSON, Darrell M, KOLLMAN, Craig, BECK, Roy W, BUCKINGHAM, Bruce A, PETER CHASE, H, HRAMIAK, Irene, LUM, John, CAMERON, Fraser, WAYNE BEQUETTE, B, AYE, Tandy, PAUL, Terri

“…Overnight hypoglycemia occurs frequently in individuals with type 1 diabetes and can result in loss of consciousness, seizure, or even death. We conducted an…”
Get full text

Postprandial Glucose Variability Following Typical Meals in Youth Living with Type 1 Diabetes by Patton, Susana R, Bergford, Simon, Sherr, Jennifer L, Gal, Robin L, Calhoun, Peter, Clements, Mark A, Riddell, Michael C, Martin, Corby K

“…We explored the association between macronutrient intake and postprandial glucose variability in a large sample of youth living with T1D and consuming…”
Get full text

Utility and Safety of Backup Insulin Regimens Generated by the Bionic Pancreas: A Randomized Study by Mauras, Nelly, Damiano, Edward R, El-Khatib, Firas H, Marak, Martin Chase, Calhoun, Peter, Ruedy, Katrina J, Balliro, Courtney, Li, Zoey, Beck, Roy W, Russell, Steven J

“…The bionic pancreas (BP) is initialized with body weight only and doses insulin autonomously without carbohydrate counting, instead using qualitative meal…”
Get more information

Digital Gaming and Exercise Among Youth With Type 1 Diabetes: Cross-Sectional Analysis of Data From the Type 1 Diabetes Exercise Initiative Pediatric Study by Patton, Susana R, Gal, Robin L, Bergford, Simon, Calhoun, Peter, Clements, Mark A, Sherr, Jennifer L, Riddell, Michael C

“…Regular physical activity and exercise are fundamental components of a healthy lifestyle for youth living with type 1 diabetes (T1D). Yet, few youth living…”
Get full text

Factors associated with nocturnal hypoglycemia in at-risk adolescents and young adults with type 1 diabetes by Wilson, Darrell M, Calhoun, Peter M, Maahs, David M, Chase, H Peter, Messer, Laurel, Buckingham, Bruce A, Aye, Tandy, Clinton, Paula K, Hramiak, Irene, Kollman, Craig, Beck, Roy W

“…Hypoglycemia remains an impediment to good glycemic control, with nocturnal hypoglycemia being particularly dangerous. Information on major contributors to…”
Get more information

Glucose levels measured with continuous glucose monitoring in uncomplicated pregnancies by Carlson, Anders L, Beck, Roy W, Li, Zoey, Norton, Elizabeth, Bergenstal, Richard M, Johnson, Mary, Dunnigan, Sean, Banfield, Matthew, Krumwiede, Katie J, Sibayan, Judy R, Calhoun, Peter, Durnwald, Celeste

“…IntroductionTo characterize glucose levels during uncomplicated pregnancies, defined as pregnancy with a hemoglobin A1c <5.7% (<39 mmol/mol) in early…”
Get full text

Efficacy of an Overnight Predictive Low-Glucose Suspend System in Relation to Hypoglycemia Risk Factors in Youth and Adults With Type 1 Diabetes by Calhoun, Peter M., Buckingham, Bruce A., Maahs, David M., Hramiak, Irene, Wilson, Darrell M., Aye, Tandy, Clinton, Paula, Chase, Peter, Messer, Laurel, Kollman, Craig, Beck, Roy W., Lum, John

“…Background: We developed a system to suspend insulin pump delivery overnight when the glucose trend predicts hypoglycemia. This predictive low-glucose suspend…”
Get full text

Descemet Stripping Endothelial Keratoplasty by Price, Marianne O., PhD, Calhoun, Peter, MA, Kollman, Craig, PhD, Price, Francis W., MD, Lass, Jonathan H., MD

“…Purpose To assess endothelial cell density (ECD) and model 10-year cell loss after Descemet stripping endothelial keratoplasty (DSEK), and to compare with…”
Get full text

Assessing non‐adjunctive CGM safety at home and in new markets (ANSHIN) by Chao, Christy, Andrade, Sarah B., Bergford, Simon, Calhoun, Peter, Welsh, John B., Walker, Tomas C.

“…Introduction Continuous glucose monitoring (CGM) can guide treatment for people with type 1 (T1D) and type 2 diabetes (T2D). The ANSHIN study assessed the…”
Get full text

Validity of Postmortem Glycated Hemoglobin to Determine Status of Diabetes Mellitus in Corneal Donors by Soper, Mark C, Marcovina, Santica M, Hoover, Caroline K, Calhoun, Peter M, McCoy, Kristen E, Stoeger, Christopher G, Schmidt, Gregory A, Arafah, Baha M, Price, Marianne O, Szczotka-Flynn, Loretta B, Lass, Jonathan H

“…To examine the stability of postmortem glycated hemoglobin (HbA1c) measurement and its relationship to premortem glycemia. Postmortem blood samples were…”
Get full text

The effect of closed-loop glucose control on C-peptide secretion in youth with newly diagnosed type 1 diabetes: the CLOuD RCT by Boughton, Charlotte K, Allen, Janet M, Ware, Julia, Wilinska, Malgorzata E, Hartnell, Sara, Thankamony, Ajay, Randell, Tabitha, Ghatak, Atrayee, Besser, Rachel EJ, Elleri, Daniela, Trevelyan, Nicola, Campbell, Fiona M, Rankin, David, Kimbell, Barbara, Lawton, Julia, Sibayan, Judy, Calhoun, Peter, Bailey, Ryan, Dunseath, Gareth, Hovorka, Roman

“…Background We assessed whether a sustained period of intensive glucose control with hybrid closed-loop for 12 months following diagnosis of type 1 diabetes in…”
Get full text

Inpatient studies of a Kalman-filter-based predictive pump shutoff algorithm by Cameron, Fraser, Wilson, Darrell M, Buckingham, Bruce A, Arzumanyan, Hasmik, Clinton, Paula, Chase, H Peter, Lum, John, Maahs, David M, Calhoun, Peter M, Bequette, B Wayne

“…An insulin pump shutoff system can prevent nocturnal hypoglycemia and is a first step on the pathway toward a closed-loop artificial pancreas. In previous pump…”
Get full text

Repeated measures random forests (RMRF): Identifying factors associated with nocturnal hypoglycemia by Calhoun, Peter, Levine, Richard A., Fan, Juanjuan

“…Nocturnal hypoglycemia is a common phenomenon among patients with diabetes and can lead to a broad range of adverse events and complications. Identifying…”
Get full text

Weight Gain and Glycemic Control in Adults with Type 1 Diabetes in the T1D Exchange Registry by Bailey, Ryan, Calhoun, Peter, Garg, Satish K

“…The impact of weight gain on insulin dosage and glycemic control in adults with type 1 diabetes (T1D) aged 25 years and older was investigated in the T1D…”
Get more information

Sex Differences in Glycemia and Self-Management Strategies for Exercise in an Active Adults Cohort with Type 1 Diabetes by Yardley, Jane E, Li, Zoey, Zaharieva, Dessi P, Riddell, Michael C, Gal, Robin L, Calhoun, Peter

“…Abstract Objective To examine potential differences in glucose levels during and after exercise between sexes in adults with type 1 diabetes. Methods The…”
Get full text

A comparison of two hybrid closed-loop systems in adolescents and young adults with type 1 diabetes (FLAIR): a multicentre, randomised, crossover trial by Bergenstal, Richard M, Nimri, Revital, Beck, Roy W, Criego, Amy, Laffel, Lori, Schatz, Desmond, Battelino, Tadej, Danne, Thomas, Weinzimer, Stuart A, Sibayan, Judy, Johnson, Mary L, Bailey, Ryan J, Calhoun, Peter, Carlson, Anders, Isganaitis, Elvira, Bello, Rachel, Albanese-O'Neill, Anastasia, Dovc, Klemen, Biester, Torben, Weyman, Kate, Hood, Korey, Phillip, Moshe

“…Management of type 1 diabetes is challenging. We compared outcomes using a commercially available hybrid closed-loop system versus a new investigational system…”
Get full text

596-P: Real-World Evaluation of Exercise Consensus Guidelines in Adults with Type 1 Diabetes-New Findings from the T1DEXI study by Jacobs, Peter G, Marak, Chase, Calhoun, Peter, Gal, Robin L, Riddell, Michael C, Castle, Jessica

“…Objective: Consensus guidelines may help people with type 1 diabetes (T1D) improve exercise glucose outcomes. Glucose outcomes were evaluated in real-world…”
Get full text

1777-LB: Time Below Range Is Correlated with Level 2 (L2) Hypoglycemia Event Rates in Type 1 Diabetes-Results from DCLP3, DIAMOND, and WISDM Trials by Liggins, Richard, Calhoun, Peter, Peers, Susan, Riddell, Michael C, Beck, Roy W

“…Background: Minimizing CGM time below range (TBR; T<70 and T<54 mg/dL), is an important therapeutic goal with clinical targets in diabetes (≤4% and ≤1%,…”
Get full text