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Nicole Prinz, Katja Konrad, Christoph Brack, Eva Hahn, Antje Herbst, Andrea Icks, Jürgen Grulich-Henn, Norbert Jorch, Christian Kastendieck, Kirsten Mönkemöller, Oliver Razum, Claudia Steigleder-Schweiger, Michael Witsch, Reinhard W Holl, and the DPV Initiative


With increasing migration to Europe, diabetes diagnosis and treatment of refugees became challenging. To describe the current experience with pediatric refugees in Germany and Austria.

Design and Methods

43,137 patients (<21 years) with type 1 diabetes from the diabetes patient follow-up registry (DPV) were studied and divided by refugee status into patients born in Middle East (n = 365) or Africa (n = 175) and native patients (child and parents born in Germany/Austria; G/A: n = 42,597). Groups were compared using multivariable regression adjusted for age, sex and diabetes duration (SAS 9.4). In refugees the first year after arrival was studied, and for native children the most recent year of care.


After adjustment, HbA1c was highest in refugees (1. ME and 2. AFR vs 3. G/A: 72.3 ± 1.0 and 75.0 ± 1.4 vs 66.0 ± 0.1 mmol/mol, 1 vs 3: P < 0.001 and 2 vs 3: P < 0.001) and microalbuminuria (9.9 and 13.6 vs 6.5%, 1 vs 3: P = 0.039 and 2 vs 3: P = 0.002) was more prevalent. African children experienced severe hypoglycemia (17.8 ± 4.3 and 25.4 ± 8.7 vs 11.5 ± 0.3 per 100 patient years, 1 vs 3: P > 0.05 and 2 vs 3: P = 0.045) significantly more often, whereas hypoglycemia with coma (5.1 ± 1.1 and 4.1 ± 1.6 vs 2.6 ± 0.1 per 100 patient years, 1 vs 3: P = 0.006 and 2 vs 3: P > 0.05) and retinopathy (2.1 and n/a vs 0.2%, 1 vs 3: P < 0.001) were significantly more common in children from Middle East compared to natives. Insulin pumps were used in a markedly larger proportion of native patients (7.4 and 13.2 vs 43.0%, 1 vs 3: P < 0.001 and 2 vs 3: P < 0.001).


A relevant number of pediatric refugees with type 1 diabetes are treated in German/Austrian diabetes clinics. Refugee children, parents and caregivers are faced with several problems in diabetes therapy and outcome that should be addressed more intensively by pediatric diabetes teams.

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Julia Rohayem, Lena Maria Bäumer, Michael Zitzmann, Susanne Fricke-Otto, Klaus Mohnike, Bettina Gohlke, Felix Reschke, Claus Jourdan, Herman L Müller, Désirée Dunstheimer, Johannes Weigel, Norbert Jorch, Elke Müller-Rossberg, Erwin Lankes, Imke Gätjen, Annette Richter-Unruh, Berthold P Hauffa, Sabine Kliesch, Aniko Krumbholz, and Jürgen Brämswig


To study the impact of the quality of therapeutic control on fertility and on the prevalence of testicular adrenal rest tumours (TART) in young males with congenital adrenal hyperplasia (CAH).


Combined cross-sectional and retrospective clinical study.


Twenty-nine patients and age-matched controls underwent clinical investigation, including semen analysis, testicular and adrenal ultrasound imaging, and serum and hair steroid analysis. The quality of therapeutic control was categorized as ‘poor’, ‘moderate’ or ‘medium’. Evaluation of current control was based on concentrations of 17-hydroxy-progesterone and androstenedione in serum and 3 cm hair; previous control was categorized based on serum 17-hydroxy-progesterone concentrations during childhood and puberty, anthropometric and puberty data, bone age data and adrenal sizes.


Semen quality was similar in males with CAH and controls (P  = 0.066), however patients with ‘poor’ past control and large TART, or with ‘poor’ current CAH control had low sperm counts. Follicle-stimulating hormone was decreased, if current CAH control was ‘poor’ (1.8 ± 0.9 U/L; ‘good’: 3.9 ± 2.2 U/L); P  = 0.015); luteinizing hormone was decreased if it was ‘poor’ (1.8 ± 0.9 U/L; P  = 0.041) or ‘moderate’ (1.9 ± 0.6 U/L; ‘good’: 3.0 ± 1.3 U/L; P  = 0.025). None of the males with ‘good’ past CAH control, 50% of those with ‘moderate’ past control and 80% with ‘poor past control had bilateral TART. The prevalence of TART in males with severe (class null or A) CYP21A2 mutations was 53% and 25% and 0% in those with milder class B and C mutations, respectively.


TART development is favoured by inadequate long-term hormonal control in CAH. Reduced semen quality may be associated with large TART. Gonadotropin suppression by adrenal androgen excess during the latest spermatogenic cycle may contribute to impairment of spermatogenesis.