The ICET-A survey on current criteria used by clinicians for the assessment of central adrenal insufficiency in thalassemia

Analysis of results and recommendations

Vincenzo De Sanctis, Ashraf T. Soliman, Heba Elsedfy, Alice Albu, Soad Al Jaouni, Saif AL Yaarubi, Salvatore Anastasi, Duran Canatan, Massimo Di Maio, Salvatore Di Maio, Mohamed El Kholy, Mehran Karimi, Doaa Khater, Yurdanur Kilinc, Su Han Lum, Nicos Skordis, Praveen Sobti, Iva Stoeva, Ploutarchos Tzoulis, Yasser Wali & 1 others Christos Kattamis

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Background: In March 2015, the International Network of Clinicians for Endocrinopathies in Thalassemia and Adolescent Medicine (ICET-A) implemented a two-step survey on central adrenal insufficiency (CAI) assessment in TM patients and after analysis of the collected data, recommendations for the assessment of hypothalamic-pituitary- adrenal (HPA) axis in clinical practice were defined. Methods: To ascertain the current practice for assessment of CAI in thalassemia, the Coordinator of ICET-A sent two questionnaires by email: i) The first to evaluate the current interpretation of basal serum cortisol level (first step) and ii) The second to assess the current usage of ACTH test and the variability in practice" (second step). Based on the surveys the core ICET-A group prepared the recommendations for the assessment of suspected CAI in thalassemia (third step). Results: A total of 19 thalassemologists/endocrinologists have participated in the first survey and 35 specialists participated in the second step questionnaire. The study demonstrated a considerable variability in almost all aspects of relevant current criteria used for the diagnosis of CAI. An ROC analysis using peak value > 20 μg/dl (> 550 nmol/L), after ACTH stimulation test, was performed with the aim of identifying the optimal basal serum cortisol cut-off. The optimal threshold that maximizes sensitivity plus specificity for morning basal cortisol against peak post-ACTH value >20 μg/dl (>550 nmol/L) was 10 μg/dl (275 nmol/L). Furthermore, the values associated with the highest negative predictive value (NPV) and highest, positive predictive value (PPV) were 4.20 (115 nmol/L) and 18.45 μg/dl (510 nmol/L), respectively. Surprisingly, 20 specialists in thalassemia working in blood bank, thalassemia centres (day hospital), internal medicine, hematology and onco-hematology had poor knowledge and experience in testing for CAI and stopped filling the questionnaire after the second question. In contrast, 9 endocrinologists (8 pediatricians) and 6 hematologists working in collaboration with endocrinologists completed the questionnaire. Conclusions: While waiting for more extensive adequately powered and targeted studies, physicians should adopt an acceptable policy for accurate assessment of HPA in TM patients. Regular surveillance, early diagnosis, treatment and follow-up in a multi-disciplinary specialized setting are also recommended. The ICET-A recommendations are reported in order to facilitate for interested physicians the approach to a successful assessment of adrenal function in thalassemia.

Original languageEnglish
Article numbere2016034
JournalMediterranean Journal of Hematology and Infectious Diseases
Volume8
Issue number1
DOIs
Publication statusPublished - Jul 1 2016

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Adrenal Insufficiency
Thalassemia
Adrenocorticotropic Hormone
Hydrocortisone
Hematology
Adolescent Medicine
Hospital Medicine
Physicians
Blood Banks
Internal Medicine
Surveys and Questionnaires
Serum
ROC Curve
Early Diagnosis
Sensitivity and Specificity

ASJC Scopus subject areas

  • Hematology
  • Infectious Diseases

Cite this

The ICET-A survey on current criteria used by clinicians for the assessment of central adrenal insufficiency in thalassemia : Analysis of results and recommendations. / De Sanctis, Vincenzo; Soliman, Ashraf T.; Elsedfy, Heba; Albu, Alice; Al Jaouni, Soad; AL Yaarubi, Saif; Anastasi, Salvatore; Canatan, Duran; Di Maio, Massimo; Di Maio, Salvatore; El Kholy, Mohamed; Karimi, Mehran; Khater, Doaa; Kilinc, Yurdanur; Lum, Su Han; Skordis, Nicos; Sobti, Praveen; Stoeva, Iva; Tzoulis, Ploutarchos; Wali, Yasser; Kattamis, Christos.

In: Mediterranean Journal of Hematology and Infectious Diseases, Vol. 8, No. 1, e2016034, 01.07.2016.

Research output: Contribution to journalArticle

De Sanctis, V, Soliman, AT, Elsedfy, H, Albu, A, Al Jaouni, S, AL Yaarubi, S, Anastasi, S, Canatan, D, Di Maio, M, Di Maio, S, El Kholy, M, Karimi, M, Khater, D, Kilinc, Y, Lum, SH, Skordis, N, Sobti, P, Stoeva, I, Tzoulis, P, Wali, Y & Kattamis, C 2016, 'The ICET-A survey on current criteria used by clinicians for the assessment of central adrenal insufficiency in thalassemia: Analysis of results and recommendations', Mediterranean Journal of Hematology and Infectious Diseases, vol. 8, no. 1, e2016034. https://doi.org/10.4084/mjhid.2016.034
De Sanctis, Vincenzo ; Soliman, Ashraf T. ; Elsedfy, Heba ; Albu, Alice ; Al Jaouni, Soad ; AL Yaarubi, Saif ; Anastasi, Salvatore ; Canatan, Duran ; Di Maio, Massimo ; Di Maio, Salvatore ; El Kholy, Mohamed ; Karimi, Mehran ; Khater, Doaa ; Kilinc, Yurdanur ; Lum, Su Han ; Skordis, Nicos ; Sobti, Praveen ; Stoeva, Iva ; Tzoulis, Ploutarchos ; Wali, Yasser ; Kattamis, Christos. / The ICET-A survey on current criteria used by clinicians for the assessment of central adrenal insufficiency in thalassemia : Analysis of results and recommendations. In: Mediterranean Journal of Hematology and Infectious Diseases. 2016 ; Vol. 8, No. 1.
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TY - JOUR

T1 - The ICET-A survey on current criteria used by clinicians for the assessment of central adrenal insufficiency in thalassemia

T2 - Analysis of results and recommendations

AU - De Sanctis, Vincenzo

AU - Soliman, Ashraf T.

AU - Elsedfy, Heba

AU - Albu, Alice

AU - Al Jaouni, Soad

AU - AL Yaarubi, Saif

AU - Anastasi, Salvatore

AU - Canatan, Duran

AU - Di Maio, Massimo

AU - Di Maio, Salvatore

AU - El Kholy, Mohamed

AU - Karimi, Mehran

AU - Khater, Doaa

AU - Kilinc, Yurdanur

AU - Lum, Su Han

AU - Skordis, Nicos

AU - Sobti, Praveen

AU - Stoeva, Iva

AU - Tzoulis, Ploutarchos

AU - Wali, Yasser

AU - Kattamis, Christos

PY - 2016/7/1

Y1 - 2016/7/1

N2 - Background: In March 2015, the International Network of Clinicians for Endocrinopathies in Thalassemia and Adolescent Medicine (ICET-A) implemented a two-step survey on central adrenal insufficiency (CAI) assessment in TM patients and after analysis of the collected data, recommendations for the assessment of hypothalamic-pituitary- adrenal (HPA) axis in clinical practice were defined. Methods: To ascertain the current practice for assessment of CAI in thalassemia, the Coordinator of ICET-A sent two questionnaires by email: i) The first to evaluate the current interpretation of basal serum cortisol level (first step) and ii) The second to assess the current usage of ACTH test and the variability in practice" (second step). Based on the surveys the core ICET-A group prepared the recommendations for the assessment of suspected CAI in thalassemia (third step). Results: A total of 19 thalassemologists/endocrinologists have participated in the first survey and 35 specialists participated in the second step questionnaire. The study demonstrated a considerable variability in almost all aspects of relevant current criteria used for the diagnosis of CAI. An ROC analysis using peak value > 20 μg/dl (> 550 nmol/L), after ACTH stimulation test, was performed with the aim of identifying the optimal basal serum cortisol cut-off. The optimal threshold that maximizes sensitivity plus specificity for morning basal cortisol against peak post-ACTH value >20 μg/dl (>550 nmol/L) was 10 μg/dl (275 nmol/L). Furthermore, the values associated with the highest negative predictive value (NPV) and highest, positive predictive value (PPV) were 4.20 (115 nmol/L) and 18.45 μg/dl (510 nmol/L), respectively. Surprisingly, 20 specialists in thalassemia working in blood bank, thalassemia centres (day hospital), internal medicine, hematology and onco-hematology had poor knowledge and experience in testing for CAI and stopped filling the questionnaire after the second question. In contrast, 9 endocrinologists (8 pediatricians) and 6 hematologists working in collaboration with endocrinologists completed the questionnaire. Conclusions: While waiting for more extensive adequately powered and targeted studies, physicians should adopt an acceptable policy for accurate assessment of HPA in TM patients. Regular surveillance, early diagnosis, treatment and follow-up in a multi-disciplinary specialized setting are also recommended. The ICET-A recommendations are reported in order to facilitate for interested physicians the approach to a successful assessment of adrenal function in thalassemia.

AB - Background: In March 2015, the International Network of Clinicians for Endocrinopathies in Thalassemia and Adolescent Medicine (ICET-A) implemented a two-step survey on central adrenal insufficiency (CAI) assessment in TM patients and after analysis of the collected data, recommendations for the assessment of hypothalamic-pituitary- adrenal (HPA) axis in clinical practice were defined. Methods: To ascertain the current practice for assessment of CAI in thalassemia, the Coordinator of ICET-A sent two questionnaires by email: i) The first to evaluate the current interpretation of basal serum cortisol level (first step) and ii) The second to assess the current usage of ACTH test and the variability in practice" (second step). Based on the surveys the core ICET-A group prepared the recommendations for the assessment of suspected CAI in thalassemia (third step). Results: A total of 19 thalassemologists/endocrinologists have participated in the first survey and 35 specialists participated in the second step questionnaire. The study demonstrated a considerable variability in almost all aspects of relevant current criteria used for the diagnosis of CAI. An ROC analysis using peak value > 20 μg/dl (> 550 nmol/L), after ACTH stimulation test, was performed with the aim of identifying the optimal basal serum cortisol cut-off. The optimal threshold that maximizes sensitivity plus specificity for morning basal cortisol against peak post-ACTH value >20 μg/dl (>550 nmol/L) was 10 μg/dl (275 nmol/L). Furthermore, the values associated with the highest negative predictive value (NPV) and highest, positive predictive value (PPV) were 4.20 (115 nmol/L) and 18.45 μg/dl (510 nmol/L), respectively. Surprisingly, 20 specialists in thalassemia working in blood bank, thalassemia centres (day hospital), internal medicine, hematology and onco-hematology had poor knowledge and experience in testing for CAI and stopped filling the questionnaire after the second question. In contrast, 9 endocrinologists (8 pediatricians) and 6 hematologists working in collaboration with endocrinologists completed the questionnaire. Conclusions: While waiting for more extensive adequately powered and targeted studies, physicians should adopt an acceptable policy for accurate assessment of HPA in TM patients. Regular surveillance, early diagnosis, treatment and follow-up in a multi-disciplinary specialized setting are also recommended. The ICET-A recommendations are reported in order to facilitate for interested physicians the approach to a successful assessment of adrenal function in thalassemia.

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