islet autotransplantation
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2022 ◽  
Author(s):  
Sarah E. Swauger ◽  
Lindsey N. Hornung ◽  
Deborah A. Elder ◽  
Appakalai N. Balamurugan ◽  
David S. Vitale ◽  
...  

Objective: Total pancreatectomy with islet autotransplantation (TPIAT) is indicated to alleviate debilitating pancreas-related pain and mitigate diabetes in patients with acute recurrent and chronic pancreatitis when medical/endoscopic therapies fail. Our aim was to evaluate predictors of insulin requirement at one year following TPIAT in a cohort of children. <p>Research Design and Methods: This was a review of 43 pediatric patients followed after TPIAT for one year or longer. Primary outcome was insulin use at one year, categorized as: insulin independent, low (< 0.5 u/kg/day) or high insulin (≥ 0.5 u/kg/day) requirement. </p> <p>Results: At one year after TPIAT, 12/41 (29%) patients were insulin independent, 21/41 (51%) had low and 8/41 (20%) had high insulin requirement. Insulin independent patients were younger than those with low and high insulin requirement (median age 8.2 vs. 14.6 vs. 13.1 years, respectively; p=0.03). Patients with insulin independence had higher transplanted IEQ/kg (p=0.03) and lower body surface area (p=0.02), compared to those with insulin dependence. Preoperative exocrine insufficiency was associated with high insulin requirement (p=0.03). Higher peak C-peptide measured by stimulated mixed meal tolerance testing (MMTT) at 3 and 6 months post-TPIAT was predictive of lower insulin requirement at one year (p=0.006 and 0.03, respectively). </p> <p>Conclusions: We conclude that insulin independence following pediatric TPIAT is multifactorial and associated with younger age, higher IEQ/kg transplanted and lower body surface area at time of operation. Higher peak C-peptide measured by MMTT following TPIAT confers a higher likelihood of low insulin requirement. </p>


2022 ◽  
Author(s):  
Sarah E. Swauger ◽  
Lindsey N. Hornung ◽  
Deborah A. Elder ◽  
Appakalai N. Balamurugan ◽  
David S. Vitale ◽  
...  

Objective: Total pancreatectomy with islet autotransplantation (TPIAT) is indicated to alleviate debilitating pancreas-related pain and mitigate diabetes in patients with acute recurrent and chronic pancreatitis when medical/endoscopic therapies fail. Our aim was to evaluate predictors of insulin requirement at one year following TPIAT in a cohort of children. <p>Research Design and Methods: This was a review of 43 pediatric patients followed after TPIAT for one year or longer. Primary outcome was insulin use at one year, categorized as: insulin independent, low (< 0.5 u/kg/day) or high insulin (≥ 0.5 u/kg/day) requirement. </p> <p>Results: At one year after TPIAT, 12/41 (29%) patients were insulin independent, 21/41 (51%) had low and 8/41 (20%) had high insulin requirement. Insulin independent patients were younger than those with low and high insulin requirement (median age 8.2 vs. 14.6 vs. 13.1 years, respectively; p=0.03). Patients with insulin independence had higher transplanted IEQ/kg (p=0.03) and lower body surface area (p=0.02), compared to those with insulin dependence. Preoperative exocrine insufficiency was associated with high insulin requirement (p=0.03). Higher peak C-peptide measured by stimulated mixed meal tolerance testing (MMTT) at 3 and 6 months post-TPIAT was predictive of lower insulin requirement at one year (p=0.006 and 0.03, respectively). </p> <p>Conclusions: We conclude that insulin independence following pediatric TPIAT is multifactorial and associated with younger age, higher IEQ/kg transplanted and lower body surface area at time of operation. Higher peak C-peptide measured by MMTT following TPIAT confers a higher likelihood of low insulin requirement. </p>


Diabetes Care ◽  
2022 ◽  
Author(s):  
Sarah E. Swauger ◽  
Lindsey N. Hornung ◽  
Deborah A. Elder ◽  
Appakalai N. Balamurugan ◽  
David S. Vitale ◽  
...  

OBJECTIVE Total pancreatectomy with islet autotransplantation (TPIAT) is indicated to alleviate debilitating pancreas-related pain and mitigate diabetes in patients with acute recurrent and chronic pancreatitis when medical/endoscopic therapies fail. Our aim was to evaluate predictors of insulin requirement at 1 year following TPIAT in a cohort of children. RESEARCH DESIGN AND METHODS This was a review of 43 pediatric patients followed after TPIAT for 1 year or longer. Primary outcome was insulin use at 1 year, categorized as follows: insulin independent, low insulin requirement (&lt;0.5 units/kg/day), or high insulin requirement (≥0.5 units/kg/day). RESULTS At 1 year after TPIAT, 12 of 41 (29%) patients were insulin independent and 21 of 41 (51%) had low and 8 of 41 (20%) had high insulin requirement. Insulin-independent patients were younger than those with low and high insulin requirement (median age 8.2 vs. 14.6 vs. 13.1 years, respectively; P = 0.03). Patients with insulin independence had a higher number of transplanted islet equivalents (IEQ) per kilogram body weight (P = 0.03) and smaller body surface area (P = 0.02), compared with those with insulin dependence. Preoperative exocrine insufficiency was associated with high insulin requirement (P = 0.03). Higher peak C-peptide measured by stimulated mixed-meal tolerance testing (MMTT) at 3 and 6 months post-TPIAT was predictive of lower insulin requirement at 1 year (P = 0.006 and 0.03, respectively). CONCLUSIONS We conclude that insulin independence following pediatric TPIAT is multifactorial and associated with younger age, higher IEQ per kilogram body weight transplanted, and smaller body surface area at time of operation. Higher peak C-peptide measured by MMTT following TPIAT confers a higher likelihood of low insulin requirement.


Author(s):  
Mohamed Ali Chaouch ◽  
Piera Leon ◽  
Gianluca Cassese ◽  
Caroline Aguilhon ◽  
Salah Khayat ◽  
...  

Pancreatology ◽  
2021 ◽  
Author(s):  
Jillian K. Wothe ◽  
Robert Aidoo ◽  
Kendall R. McEachron ◽  
Tasma Harindhanavudhi ◽  
Guru Trikudanathan ◽  
...  

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