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2. Zdravstvene težave otrok po kirurški ureditvi atrezije požiralnika s traheoezofagealno fistulo ali brez nje in spremljanjeAirin Veronese, Matevž Srpčič, Bogdan Vidmar, Matjaž Homan, Petja Fister, Gaja Setnikar Kimovec, Uroš Krivec, Daša Gluvajić, Jana Lozar Krivec, 2025, review article Keywords: pediatrija, atrezija požiralnika, zapleti, kirurško zdravljenje Published in DiRROS: 06.05.2026; Views: 280; Downloads: 139
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3. Presepsin in neonatal sepsis : a single-center evaluation in comparison to conventional markersMojca Kavčič, Petja Fister, Aneta Soltirovska Šalamon, Joško Osredkar, Darja Paro Panjan, 2026, original scientific article Abstract: Objective: Neonatal sepsis is a leading cause of morbidity and mortality in newborns. Timely and accurate diagnosis remains a challenge due to the nonspecific clinical signs and the limited sensitivity and specificity of conventional biomarkers such as C-reactive protein (CRP), procalcitonin (PCT), and white blood cell (WBC) count. Presepsin, a soluble CD14 subtype, has been proposed as a promising early marker of bacterial infection. This study aimed to assess the diagnostic value of serum presepsin in comparison with traditional inflammatory markers in neonates with suspected sepsis. Methods: In a prospective observational study conducted at a single tertiary care center, 18 neonates with clinical signs of sepsis were evaluated. The patients were divided into culture-proven (n=7) and culture-unproven (n=11) sepsis groups. Presepsin levels were measured using a chemiluminescent assay and compared to CRP, PCT, and WBC counts. Results: The median presepsin levels were higher in culture-proven cases (740 ng/L vs. 393 ng/L), but without statistical significance. Similar trends were observed for CRP and PCT, while WBC counts showed no diagnostic value. Conclusion: Although presepsin demonstrated potential as an early biomarker, its diagnostic performance in this small cohort was inconclusive. Combined use of presepsin with conventional markers and clinical evaluation may improve early sepsis diagnosis in neonates. Keywords: neonatal sepsis, presepsin, inflammatory markers, procalcitonin, C-reactive protein Published in DiRROS: 08.04.2026; Views: 322; Downloads: 229
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4. Obravnava novorojenčkov z gastroshizoMatej Pal, Maja Pajek, Polona Studen Pauletič, Diana Gvardijančič, Gorazd Kavšek, Renata Košir-Pogačnik, Lilijana Kornhauser-Cerar, Petja Fister, 2025, professional article Keywords: nepravilnost trebušne stene, gastroshiza, prirojena nepravilnost, novorojenček Published in DiRROS: 20.03.2026; Views: 652; Downloads: 229
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5. Hemoperfusion with CytoSorb® in pediatric patients : a monocentric case seriesEva Rihar, Vanja Peršič, Alexander Jerman, Tina Plankar Srovin, Gorazd Mlakar, Neva Bezeljak, Marko Pokorn, Petja Fister, 2024, original scientific article Abstract: Background: Pro- and anti-inflammatory cytokines help regulate the inflammatory response. A cytokine storm is a dysregulated cytokine response associated with sepsis and other conditions that result in a hyper-inflammatory state. Extracorporeal cytokine adsorption has the potential to restore a balanced inflammatory response. Hemoperfusion with CytoSorb® (CS) appears to be a short-term mode of treatment of sepsis in both adults and children. Objective: We present a case series of eight critically ill children involving the use of hemoperfusion with CS at the University Medical Center Ljubljana to treat clinically manifested cytokine storm. Results: In our preliminary experience, it was applied without complication in five children weighing more than 10 kg, who all survived. The effect of age on complications regarding CS treatment is unclear, yet in our case series, all three patients weighing less than 10 kg died of their disease. Conclusions: In our preliminary experience, cytokine adsorption with CS remains a potential adjunctive treatment for cytokine storm in critically ill children. Keywords: CytoSorb, hemoperfusion, hemoadsorption, child, neonate, sepsis, cytokine storm Published in DiRROS: 10.03.2026; Views: 426; Downloads: 250
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6. Contrast-enhanced ultrasound (CEUS) and ultra-microangiography (UMA) in critically ill children with acute kidney injuryNace Ogorevc, Peter Slak, Stevan Nikšić, Gregor Novljan, Petja Fister, Domen Plut, 2024, review article Abstract: Acute kidney injury (AKI) is an acute condition of impaired kidney function with decreased glomerular filtration rate, which results in dysregulation in volume, electrolyte, and acid–base equilibrium. AKI can be a life-threatening condition and can also lead to chronic kidney disease. It is important to diagnose AKI early in the course of the disease or to predict its development, as this can influence therapeutic decisions, outcome, and, consequently, the prognosis. In clinical practice, an elevated serum creatinine concentration remains the most common laboratory indicator for diagnosing AKI. However, due to the delay in its rise, creatinine levels are often insensitive and inaccurate for early diagnosis. Novel biomarkers of kidney tubular injury and the renal angina index have shown promise in predicting AKI earlier and more accurately. Contrast-enhanced ultrasonography (CEUS) and ultra-microangiography (UMA) are radiological methods that can quantify renal microperfusion and may be able to predict the development of AKI. They have not yet been used for quantifying renal perfusion in children with risk factors for developing AKI. Further research is needed to compare these sonographic techniques with the renal angina index and emerging kidney injury biomarkers for predicting acute kidney injury (AKI) in both children and adults Keywords: acute kidney injury, contrast-enhanced ultrasound, ultra-microangiography Published in DiRROS: 26.02.2026; Views: 506; Downloads: 265
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7. Ethical considerations and multidisciplinary care for pediatric patients with hypoplastic left heart syndrome : a narrative review with a systematic searchMojca Železnik, Urh Grošelj, Petja Fister, 2025, review article Abstract: Background: Hypoplastic left heart syndrome (HLHS) was a fatal congenital heart defect (CHD) until the 1980s. Introduction of the Norwood procedure and subsequent Fontan operation significantly improved survival by creating a single-ventricle circulation. Due to the high mortality associated with the Norwood operation, neonatal orthotopic heart transplantation emerged as an alternative, despite challenges such as lifelong immunosuppressive treatment and uncertain longevity of transplanted hearts. Methods: A narrative review with a systematic literature search was conducted in the PubMed, following PRISMA guidelines and included studies of ethical and medical considerations, decision-making, counseling and treatment planning in children with HLHS. In addition, we manually screened reference lists to identify further relevant literature. We aimed to explore: how do ethical considerations and decision-making processes influence the management and outcomes of fetuses and neonates with HLHS and their families across prenatal, postnatal, and long-term care? Results: Of the 115 studies, 56 met the inclusion criteria. Early diagnosis through prenatal fetal ultrasound has markedly improved survival rates by enabling better parental awareness, counseling, and decision-making. Managing HLHS requires urgent, extensive, and costly medical interventions, with outcomes influenced by the healthcare system's expertise, the experience of cardiologists and surgeons, ethical, legal, and religious considerations of the parents and medical team. The prenatal phase is crucial for optimal management, with advanced fetal ultrasound facilitating early detection. Postnatal care involves a multidisciplinary approach, including stage palliation physiology/surgery tailored to each patient. Despite surgical advancements, HLHS patients face higher morbidity and mortality rates than other patients with CHDs, with long-term survival and quality of life remaining key concerns. Ethical considerations play a significant role in the management of HLHS, encompassing the autonomy of families, the best medical interests of the child, societal, and cultural factors. Decision-making must balance full disclosure with sensitivity to parents' values and beliefs. Conclusions: Management of HLHS involves multidisciplinary approach with complex medical and ethical considerations, but the current literature lacks high-quality studies or consensus guidelines on ethical decision-making. Therefore, the influence of ethical considerations on clinical management and patient care remains unclear, highlighting the need for further research. Keywords: hypoplastic left heart syndrome, congenital heart defect, prenatal diagnosis, neonatal care, palliative surgery, medical ethic, multidisciplinary care, decision making Published in DiRROS: 12.12.2025; Views: 869; Downloads: 356
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