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עמוד בית
Sun, 14.04.24

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February 2023
Yarden Tenenbaum Weiss MD, Michael Friger PhD, Alon Haim MD, Eli Hershkovitz MD

Background: Pediatric patients with newly diagnosed type 1 diabetes mellitus (T1DM) are commonly treated with daily multiple insulin injections or an insulin pump. They tend to have higher body mass index-standard deviation scores (BMI-SDS) than non-diabetic children.

Objectives: To identify patterns in the changes in BMI in the 3 years after T1DM diagnosis, and to discover factors that relate to excessive weight gain.

Methods: This retrospective study included clinical and laboratory data for 194 boys and girls aged 2–18 years at the time of diagnosis and at 1, 2, and 3 years after. Their BMI values were compared to non-diabetic children using BMI percentile and z-score (standard deviation) based on the U.S. Centers for Disease Control and Prevention (CDC) growth charts.

Results: Both males and females had low mean BMI-SDS at diagnosis (-0.4499 ± 1.38743 male, 0.3050 ± 1.29887 female) that increased after 1 year (-0.0449 ± 1.14772 male, 0.1451 ± 0.98893 female). Lower glycated hemoglobin (HbA1c) at 1 year correlated with higher BMI-SDS (r = -0.215, P = 0.011). No such correlation was found in the following 2 years. The daily dose of basal insulin correlated with higher BMI-SDS at 1 year (r = 0.183, P = 0.026) and 3 years (r = 0.297, P < 0.01). No association was found between the use of an insulin pump or continuous glucose monitoring and higher BMI-SDS.

Conclusions: BMI-SDS of children with T1DM was lower than average at the time of diagnosis and rose higher than average in the 3 years following. Higher BMI-SDS was not significantly associated with sex or ethnicity. The most prominent increase happened in the first year.

December 2022
Reem Abbasi MPH, Ruthie Harari-Kremer MSc, Alon Haim MD, Raanan Raz PHD

Background: Congenital hypothyroidism (CH) is the most common preventable cause of mental retardation and delayed growth in children. Several prenatal and environmental factors might be associated with the disease.

Objectives: To determine the prevalence and risk factors of permanent CH and transient congenital hypothyroidism (TCH) in Israel.

Methods: We conducted a retrospective analysis of the Israeli national newborn screening program database from 2011 to 2015. Chi-square and logistic regression were used to assess the association of the demographic and gestational factors with the CH and TCH.

Results: Of the 889,033 live births screened between 2011 and 2015, 860 were diagnosed with CH (9.76 per 10,000 live births) and 298 with TCH (3.35 per 10,000 live births). In multivariate analyses, CH was positively associated with female sex, gestational ages < 38 or > 39 weeks, birth weight < 3000 grams, and winter birth. A decreased risk of TCH was detected in Arabs and neonates from high socioeconomic areas. An increased risk was independently associated with gestational ages < 38 weeks, low birth weight, and winter birth.

Conclusions: Several demographic, gestational, and geographical factors are associated with the development of CH and TCH. Future studies are needed to further investigate the pathogenesis in Israel.

June 2013
A. Hilmi, Y. Pasternak, M. Friger, N. Loewenthal, A. Haim and E. Hershkovitz
 Background: The existent glycemic control of type 1 diabetes mellitus (T1DM) patients in daily practice might not reach the goals determined in guidelines. Ethnic diversity was also shown to influence glycemic control.

Objectives: To evaluate glycemic control, prevalence of diabetic ketoacidosis (DKA) at presentation, diabetic complications rate, and associated autoimmune diseases in a pediatric T1DM patient population in the Negev area.

Methods: Clinical and demographic details of 168 T1DM patients were evaluated, including HbA1C levels, long-term complications, related autoimmune diseases, and insulin pump usage. The data were analyzed and the Jewish and Bedouin patient groups compared.

Results: Only 13.1% of the patients had reached the HbA1C levels recommended by the current guidelines at the first and second year follow-up visits, and 9.5% and 7.1% at the third and fourth year visits, respectively. A significant difference in HbA1c levels between Jewish and Bedouin patients was found (P = 0.045 at the first year follow-up, P ≤ 0.01 thereafter). Significant difference was found between the Jewish and the Bedouin groups regarding presentation with DKA, 33% and 56% of the patients respectively (P = 0.01).

Conclusions: Existent glycemic control in daily practice is far from the guideline goals. Bedouin ethnicity was associated with less favorable diabetes control, emphasizing the need for better awareness of T1DM and its treatment options in this population. More resources should be directed to address T1DM in the general population, especially among the Bedouin.


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