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Serum ferritin levels and endocrinopathy in medically treated patients with β thalassemia major.
MedLine Citation:
PMID:  22281991     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The association between iron overload indices and pathology of the heart and liver in transfusion-dependent patients with β thalassemia major (TM) has been extensively studied. Nonetheless, data on endocrine disease remains limited. This was a cross-sectional study of 382 TM patients treated with regular transfusions and desferrioxamine at the Thalassemia Center in Dubai, UAE. Retrieved data included demographics, splenectomy status, steady-state serum ferritin levels, and the presence of endocrinopathies (diabetes mellitus, hypothyroidism, hypoparathyroidism, and hypogonadism). Multivariate logistic regression analyses were used to determine which variables were independently associated with the occurrence of each endocrinopathy. The mean age of patients was 15.4 ± 7.6 years, with an equal sex distribution. The mean serum ferritin level was 2597.2 ± 1976.8 μg/l. The frequencies of specific endocrinopathies were diabetes mellitus (10.5%), hypothyroidism (6.3%), hypoparathyroidism (10.5%), and hypogonadism (25.9%). On multivariate logistic regression analysis, patients with a serum ferritin level >2,500 μg/l, but not >1,000-2,500 μg/l, were 3.53 times (95% CI 1.09-11.40) more likely to have diabetes mellitus, 3.25 times (95% CI 1.07-10.90) more likely to have hypothyroidism, 3.27 times (95% CI 1.27-8.39) more likely to have hypoparathyroidism, and 2.75 times (95% CI 1.38-5.49) more likely to have hypogonadism compared to patients with a serum ferritin level ≤1,000 μg/l. However, splenectomized patients with serum ferritin levels ≤2,500 μg/l had comparably high rates of all endocrinopathies as patients with serum ferritin levels >2,500 μg/l. Endocrinopathy is common in TM patients treated with desferrioxamine therapy, especially in patients with serum ferritin levels >2,500 μg/l or those splenectomized.
Authors:
Khawla M Belhoul; Maisam L Bakir; Mohamed-Salaheldin Saned; Ahmed M A Kadhim; Khaled M Musallam; Ali T Taher
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-28
Journal Detail:
Title:  Annals of hematology     Volume:  -     ISSN:  1432-0584     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9107334     Medline TA:  Ann Hematol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Thalassemia Center, Al Wasl Hospital, Dubai, United Arab Emirates, khawlamab@yahoo.com.
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