Background
Non-adherence to r-hGH treatments occurs in a variable percentage of subjects. One problem found when evaluating adherence is the great variability in methods of detection and definitions utilized in studies. This study assessed the level of adherence in subjects receiving r-hGH with the easypod™ electronic device.
Methods
National, multicenter, prospective and observational study involving 238 subjects (144 with GH deficiency (GHD), and 86 with small for gestational age (SGA), 8 with Turner Syndrome), who received r-hGH with easypod™ for at least 3 months before inclusion. The follow-up period was 4 years.
Results
Overall adherence was 94.5%; 97.5% after 6 months, 95.3% after 1 year, 93.7% after 2, 94.4% after 3 and 95.5% after 4 years of treatment. No differences in adherence were observed between prepubertal and pubertal groups and GHD and SGA groups. Change in height after 1 and 2 years, change in height SDS after 1 and 2 years, HV after 1 year, HV SDS after at 1 and 4 years, change in BMI after 1 year and change in BMI SDS at 1 and 2 years showed significant correlation with adherence. No significant differences in adherence according to IGF-I levels were found in follow-up visits or between groups.
Conclusions
The easypod™ electronic device, apart from being a precise and objective measure of adherence to r-hGH treatment, allows high compliance rates to be achieved over long periods of time. Adherence significantly impacts growth outcomes associated with r-hGH treatment.
Children with CH should be monitored closely during the first 3 years of life in order to prevent not only hypothyroidism but also any adverse effects of overtreatment that may affect attentional function at school age.
Aim:The aim of the study was to identify patients with transitory elevation (TE) of 17-hydroxyprogesterone (17-OHP) using neonatal screening for congenital adrenal hyperplasia due to 21-hydroxylase defi ciency (21-OHD) and to compare them with patients with 21-OHD. Methods: This was a retrospective study of patients with high 17-OHP levels detected during newborn screening in Madrid, Spain. Results: 17-OHP levels were signifi cantly higher in the 33 21-OHD patients, who tended to present hyponatraemia and hyperkalemia. The TE-17-OHP group was characterized by normal initial physical examination (88.8 % vs. 39.4 % ), lower gestational age and a higher number of stressful perinatal factors. 17-OHP levels decreased spontaneously in this group. Molecular diagnosis allowed us to discard the most frequent mutations associated with 21-OHD. Conclusions: Newborns with slightly increased 17-OHP levels and normal results for physical examination, acid-base equilibrium, glycemia, electrolytes and perinatal stress factors should be carefully evaluated. Decisions on treatment should be postponed until these results are available.
The baseline characteristics of the population to be treated with rhGH were similar to those reported in other growth databases. Delayed age at treatment initiation should increase the awareness of these disorders among general paediatricians and entice them to refer children suspected of having these disorders to a specialist.
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