<b><i>Background:</i></b> Several novel treatment options have recently become available in childhood bone diseases. The purpose of this article is to provide an update on some of the therapeutic agents used in the treatment of pediatric osteoporosis, X-linked hypophosphatemic rickets, and achondroplasia (ACH). <b><i>Summary:</i></b> Vitamin D3 and Ca supplementation remains the basis of childhood osteoporosis treatment. Bisphosphonate (BP) therapy is the main antiresorptive therapeutic option, while denosumab, a human monoclonal IgG2 antibody with high affinity and specificity for a primary regulator of bone resorption – RANKL, represents a possible alternative. Its potent inhibition of bone resorption and turnover process leads to continuous increase of bone mineral density throughout the treatment also in the pediatric population. With a half-life much shorter than BPs, its effects are rapidly reversible upon discontinuation. Safety and dosing concerns in children remain. Novel treatment options have recently become available in two rare bone diseases. Burosumab, a monoclonal antibody against FGF-23, has been approved for the treatment of children with X-linked hypophosphatemic rickets older than 1 year. It presents an effective, more etiology-based treatment for rickets compared to conventional therapy, without the need for multiple daily oral phosphate supplementation. Its long-term efficacy and safety are currently being investigated. After years of anticipation, a novel treatment option for ACH has become available. C-type natriuretic peptide analog vosoritide effectively increases proportional growth and has a reasonable safety profile in children >2 years. Its effect on other features of the disease and the final height is yet to be determined. Several other treatment options for ACH exploring different therapeutic approaches are currently being investigated. <b><i>Key Messages:</i></b> Denosumab is effective in the treatment of childhood-onset osteoporosis; however, further studies are necessary to determine the optimal treatment protocol. Burosumab is more etiology-based and convenient in comparison to conventional treatment of X-linked hypophospha<X00_Del_TrennDivis>-</X00_Del_TrennDivis>temic rickets in children and adults. Vosoritide importantly changes the natural course of achondroplasia, at least in the short term.
Umetna inteligenca predstavlja zaradi možnosti podpore pri odkrivanju in spremljanju bolezni ter napovedovanju izida novi mejnik v sodobni medicinski tehnologiji. Njena klinična uporabnost se je v zadnjih letih dramatično povečala predvsem na račun uvedbe konvolucijskih nevronskih mrež v modeliranje računalniško podprtih sistemov umetne inteligence. Celotna oftalmologija, zlasti pa področje bolezni mrežnice, pri kateri diagnosticiranje sloni na slikovnih preiskavah, se vodi izrazito tehnološko. Zato je edinstvena stroka pri vpeljavi novosti s področja umetne inteligence v klinično uporabo. Kljub temu pa je integracija umetne inteligence v presejanje, diagnosticiranje in zdravljenje oftalmoloških bolezni predvsem zaradi prevelikega posploševanja pri zaznavanju sprememb in slabih zmožnosti sočasnega prepoznavanja različnih kliničnih entitet zaenkrat še omejena. V članku se osredinjamo na nedavno predstavljene algoritme umetne inteligence, ki so prvenstveno namenjeni odkrivanju najpogostejših bolezni mrežnice in so, ali se še bodo, z morebitnimi izboljšavami, pridobljeno višjo občutljivostjo in specifičnostjo, vendarle uvedli v klinično prakso.
Aim To determine the serum levels of glial fibrillary acidic protein (GFAP) and S-100B in very preterm infants with and without periventricular leukomalacia (PVL) and/or intraventricular hemorrhage (IVH). Methods The study enrolled preterm infants born between 23 and 32 weeks of gestation admitted to the Neonatal Intensive Care Unit, University Medical Center Ljubljana. PVL and IVH were determined with cranial ultrasound. Peripheral blood was collected in the first 24 hours after delivery and once between days 4 to 7. GFAP and S-100B concentrations were measured in serum samples. Infants with PVL or IVH were compared with infants without PVL or IVH. Results Of 40 patients (mean gestational age 29.4 weeks), 7 had IVH and/or PVL. S-100B was detectable in peripheral blood in all patients at every measurement. In the group with IVH or PVL, the median S-100B at the first sampling was 0.43 (IQR 0.29-0.60) ng/mL, and 0.40 (IQR 0.33-1.01) ng/mL at the second sampling. In the group without PVL or IVH, it was 0.40 (IQR 0.29-0.6) ng/mL at the first sampling and 0.43 (IQR 0.34-0.62) ng/mL at the second sampling. The median GFAP was 0 regardless of the group and sampling time. The groups did not significantly differ in serum GFAP or S-100B levels. Conclusion Peripheral blood levels of GFAP and S-100B were not significantly increased in very preterm infants that developed PVL or IVH. The predictive value of GFAP and S-100B as biomarkers of neonatal brain injury should be further explored in a larger cohort of neonates with more extensive IVH or PVL.
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