13 research outputs found

    Evaluation of a child with suspected nephrolithiasis

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    A Resource-Aware and Time-Critical IoT Framework

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    Internet of Things (IoT) systems produce great amount of data, but usually have insufficient resources to process them in the edge. Several time-critical IoT scenarios have emerged and created a challenge of supporting low latency applications. At the same time cloud computing became a success in delivering computing as a service at affordable price with great scalability and high reliability. We propose an intelligent resource allocation system that optimally selects the important IoT data streams to transfer to the cloud for processing. The optimization runs on utility functions computed by predictor algorithms that forecast future events with some probabilistic confidence based on a dynamically recalculated data model. We investigate ways of reducing specifically the upload bandwidth of IoT video streams and propose techniques to compute the corresponding utility functions. We built a prototype for a smart squash court and simulated multiple courts to measure the efficiency of dynamic allocation of network and cloud resources for event detection during squash games. By continuously adapting to the observed system state and maximizing the expected quality of detection within the resource constraints our system can save up to 70% of the resources compared to the naive solution

    Az akut lymphoblastos leukaemiĂĄval kezelt gyermekek csontrendszerĂ©t Ă©rintƑ mellĂ©khatĂĄsok

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    BevezetĂ©s: A gyermekkori akut lymphoblastos leukaemia kezelĂ©se napjainkban 80% feletti tĂșlĂ©lĂ©st tesz lehetƑvĂ©, de fontos cĂ©l a kezelĂ©s okozta mellĂ©khatĂĄsok kivĂ©dĂ©se Ă©s a gyermekek hosszĂș tĂĄvĂș Ă©letminƑsĂ©gĂ©nek javĂ­tĂĄsa is. CĂ©lkitƱzĂ©s: A kemoterĂĄpia csontrendszerre kifejtett mellĂ©khatĂĄsainak vizsgĂĄlata Ă©s a prognosztikai tĂ©nyezƑk feltĂĄrĂĄsa, a rizikĂłfaktorok összegyƱjtĂ©se. MĂłdszerek: RetrospektĂ­v vizsgĂĄlatunkba a Semmelweis Egyetem II. GyermekgyĂłgyĂĄszati KlinikĂĄjĂĄn 2007 Ă©s 2016 között kezelt 215, akut lymphoblastos leukaemiĂĄs gyermek közĂŒl a csontelvĂĄltozĂĄst Ă©szlelt betegeket vontuk be a következƑ, csontrendszert Ă©rintƑ megbetegedĂ©sekkel: 38 gyermeknĂ©l csökkent csontĂĄsvĂĄnyianyag-tartalom, 5 fƑnĂ©l osteonecrosis, 3 fƑnĂ©l osteomyelitis Ă©s 2 fƑ esetĂ©ben patolĂłgiĂĄs fractura volt detektĂĄlhatĂł. KĂŒlönbözƑ követĂ©si idƑ- pontokban gyƱjtöttĂŒnk oszteodenzitometriai adatokat, D-vitamin-, foszfĂĄt-, alkalikusfoszfatĂĄz- Ă©s lipidszinteket is. EredmĂ©nyek: Az oszteodenzitometriai Ă©rtĂ©kek mĂĄr a diagnĂłziskor csökkent Ă©rtĂ©ket mutatnak, az intenzĂ­v vĂ©nĂĄs ke- moterĂĄpia hatĂĄsĂĄra pedig tovĂĄbbi csökkenĂ©s figyelhetƑ meg (a lumbĂĄlis gerinc Z-score-Ă©rtĂ©ke a kezelĂ©s kezdetĂ©n: –1,5 ± 1,02, az intenzĂ­v vĂ©nĂĄs kezelĂ©s vĂ©gĂ©n –1,8 ± 0,5). A Z-score-Ă©rtĂ©kek a fenntartĂł terĂĄpia vĂ©gĂ©re javulĂł tenden- ciĂĄt mutattak (–1,6 ± 0,5; p<0,05), majd az utĂĄnkövetĂ©s sorĂĄn ismĂ©telt javulĂĄs (–1,2 ± 0,4 [p<0,01] Ă©s –0,9 ± 0,4) figyelhetƑ meg. A D-vitamin-szintek esetĂ©ben az intenzĂ­v vĂ©nĂĄs kemoterĂĄpiĂĄt követƑen fokozatos javulĂĄst lĂĄthattunk (20 ± 3,1 ng/ml vs. többĂ©ves utĂĄnkövetĂ©skor 31 ± 2,6 ng/ml; p<0,001). A foszfĂĄt- Ă©s alkalikusfoszfatĂĄz-szintek nem vĂĄltoztak szĂĄmottevƑ mĂ©rtĂ©kben a vizsgĂĄlt idƑtartam sorĂĄn. A koleszterinszintek a terĂĄpia sorĂĄn folyamatos növeke- dĂ©st mutattak (a kemoterĂĄpia kezdetĂ©n 3,28 ± 0,3 mM/l vs. a fenntartĂł kezelĂ©s vĂ©gĂ©n 4,62 ± 0,2 mM/l; p<0,0001). A HDL-koleszterin esetĂ©ben szintĂ©n hasonlĂł tendenciĂĄt figyelhettĂŒnk meg (a diagnĂłziskor 0,53 ± 0,09 mM/l vs. a fenntartĂł kezelĂ©s vĂ©gĂ©n 1,48 ± 0,14 mM/l). KövetkeztetĂ©s: KiemelendƑ, hogy a gyĂłgyult gyermekek utĂĄnkövetĂ©se, az oszteodenzitometriai mĂ©rĂ©sek Ă©s a laborpa- ramĂ©terek ellenƑrzĂ©se rendkĂ­vĂŒl fontos, mivel csontelvĂĄltozĂĄsokkal a leukaemiĂĄs betegek esetĂ©n szĂĄmolni kell

    A SHOX gĂ©ndeletio elƑfordulĂĄsa idiopathiĂĄs alacsonynövĂ©sben

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    INTRODUCTION: The isolated haploinsufficiency of the SHOX gene is one of the most common cause of short stature determined by monogenic mutations. The heterozygous deviation of the gene can be detected in 2-15% of patients with idiopathic short stature (ISS), in 50-90% of patients with Leri-Weill dyschondrosteosis syndrome (LWS), and in almost 100% of patients with Turner syndrome. AIM: The aim of our study was to evaluate the frequency of SHOX gene haploinsufficiency in children with ISS, LWS and in patients having Turner syndrome phenotype (TF), but normal karyotype, and to identify the dysmorphic signs characteristic for SHOX gene deficiency. METHOD: A total of 144 patients were included in the study. Multiplex Ligation-dependent Probe Amplification (MLPA) method was used to identify the SHOX gene haploinsufficiency. The relationships between clinical data (axiological parameters, skeletal disorders, dysmorphic signs) and genotype were analyzed by statistical methods. RESULTS: 11 (7.6%) of the 144 patients showed SHOX gene deficiency with female dominance (8/11, 81% female). The SHOX positive patients had a significantly higher BMI (in 5/11 vs. 20/133 cases, p<0.02) and presented more frequent dysmorphic signs (9/11vs 62/133, p = 0.02). Madelung deformity of the upper limbs was also significantly more frequent among the SHOX positive patients (4/11, i.e. 36%, vs. 14/133, i.e. 10%, p = 0.0066). There were no statistically significant differences between the mean age, mean height and auxological measurements (sitting height/height, arm span/height) between the two groups of patients. CONCLUSIONS: The occurrence of SHOX gene haploinsufficiency observed in our population corresponds to the literature data. In SHOX positive patients, in addition to short stature, the dysmorphic signs have a positive predictive value for SHOX gene alterations. However, the SHOX deletion detected in a patient with idiopathic short stature without dysmorphic signs suggest that SHOX deletion analysis can be recommended in patients with ISS. Orv Hetil. 2017; 158(34): 1351-1356

    A gyermekkori csonttörĂ©sek kapcsolata az idƑskori osteoporosissal: vĂ©letlen vagy elƑrejelzĂ©s?

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    ÖsszefoglalĂł. A gyermekek közel fele szenved el csonttörĂ©st. Ez lehet traumĂĄs esemĂ©ny vagy a csontfejlƑdĂ©st megzavarĂł genetikus, hormonĂĄlis vagy egyĂ©b eltĂ©rĂ©s a csontvĂĄz bĂĄrmely rĂ©szĂ©n. A leggyakoribb azonban az enyhe trauma kapcsĂĄn jelentkezƑ csuklĂłtĂĄji törĂ©s, amely többnyire a pubertas alatt fordul elƑ. A jelensĂ©g alapja, hogy a serdĂŒlĂ©s sorĂĄn ĂĄtmenetileg elvĂĄlik egymĂĄstĂłl a csontok mĂ©retĂ©nek gyors növekedĂ©se Ă©s a csonttömeg gyarapodĂĄsa, ami a longitudinĂĄlis növekedĂ©st kb. egy Ă©v kĂ©sĂ©ssel követi. Az Ă­gy kialakulĂł ĂĄtmeneti csontgyengesĂ©g a gyermekkori csonttörĂ©s fƑ oka, aminek a hatĂĄsĂĄhoz az emlĂ­tett genetikai, hormonĂĄlis Ă©s Ă©letmĂłdi rendellenessĂ©gek is csatlakozhatnak. A gyermekkorban elƑfordult kistraumĂĄs csonttörĂ©s a felnƑtt fĂ©rfiaknĂĄl az osteoporosisos csonttörĂ©sek fokozott rizikĂłjĂĄval jĂĄr, ezĂ©rt szƱrƑvizsgĂĄlati kĂ©rdĂ©skĂ©nt is szolgĂĄl. NƑk esetĂ©ben ugyanez az összefĂŒggĂ©s mĂ©g bizonyĂ­tĂĄsra vĂĄr. Orv Hetil. 2021; 162(42): 1687-1692. Summary. Bone fracture occurs nearly in half of the children. Some fractures are severe traumatic events while others are the results of genetic or hormonal or other alterations disturbing the normal development of bone. However, the majority of fractures are associated with a mild trauma, dominantly in the pubertal period. The basic pathology of the pubertal fractures is the transient deviation of peak velocity of height growth from the gain velocity of bone mass; the latter goes to peak 1 year later than height growth. This difference has been resulted in a physiologic but transient weakening of bones that can coincide with genetic, hormonal or life-style problems and all of these factors together may cause the increased fragility of the pubertal bone. Low-trauma fractures in childhood may be followed in high fracture risk of adult and aging men, so the childhood fracture seems to be a useful screening question for testing the osteoporosis in males. However, the same relation is still not proved in aging women. Orv Hetil. 2021; 162(42): 1687-1692

    Comparison of the femoral neck bone density, quantitative ultrasound and bone density of the heel between dominant and non-dominant side

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    Our study was initiated to evaluate whether there are differences between the two sides, depending on hand dominance, in densitometry values and quantitative ultrasound parameters (QUS) of the lower limb. One hundred and six women and 44 men were involved. The hand dominance was determined by interview. The bone mineral density (BMD) of the left and the right femoral necks and the calcanei were measured by dual-energy X-ray absorpiometry (DXA). The QUS examination consisted of measuring the attenuation (BUA), the speed of the ultrasound (SOS) and quantitative ultrasound index (QUI) transversing the left and right calcanei. The density of the neck of femur of the non-dominant side did not differ from that of the dominant side. On the other hand, BMD, BUA and the QUI of the calcaneus were higher on the non-dominant side in both genders (p < 0.05 for each parameter). No similar differences were seen for the SOS values. Our study has confirmed the side-to-side differences of the calcaneus in both genders, lower values were found on the dominant side. No similar differences were seen on the femur. The AUC values seemed to be higher on the dominant side, however, these differences were not strictly significant. In the case of peripheral site (heel) measurements, the practical significance of our observations is that they raise the possibility of performing peripheral DXA and QUS examinations of the calcaneus on the dominant side of the patient according to handedness. © 2006 Elsevier Ireland Ltd. All rights reserved
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