Total Body Irradiation and Risk of Diabetes Mellitus; A Meta-Analysis

Document Type : Research Articles

Authors

University of Hawaii, internal Medicine Residency Program, Honolulu, HI, USA.

Abstract

Objective: Hematopoietic stem cell transplant (HSCT) has recently emerged as a cure for previously “incurable”
diseases and is being explored and attempted in many other fields including congenital and acquired non-malignant
diseases. However, the long-term side effect associated with HSCT especially Total Body Irradiation (TBI) is still
understudied. Therefore, we attempted to establish association between TBI and risk of developing Diabetes Mellitus
(DM) or impaired glucose metabolism (IGM). Methods: We searched for titles of articles in MEDLINE (PubMed),
EMBASE, and Cochrane library in August 2018 that evaluated the association between TBI in the setting of HSCT
and DM or IGM. We conducted a random effect meta-analysis of 11 studies involving a total of 13,191 participants
and reported the pooled MD (mean difference) for the development of DM/IGM after TBI as part of the conditioning
regimen for HSCT. Results: We found a significant increase in the risk of developing DM/IGM after TBI is used as
part of the conditioning regimen compared to other types of conditioning regimen with the pooled MD being 5.42, 95%
Confidence Interval (CI) 2.51-11.71, I2=92.4%. Conclusion: TBI as a conditioning regimen in the setting of HSCT
significantly increases the risk of developing DM/IGM. Therefore, we recommend close monitoring and screening for
diabetes mellitus in patients who underwent TBI before HSCT.

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Asian Pacific Journal of Cancer Prevention
Volume 20, Issue 3
March 2019
Pages 885-891

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History

  • Receive Date: 26 September 2018
  • Revise Date: 06 January 2019
  • Accept Date: 11 February 2019

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