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Iskalni niz: "avtor" (Matjaž Homan) .

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Gastric intestinal metaplasia in children and adolescents is reversible upon reaching adulthood - results from a long-term cohort study
Jan Drnovšek, Nina Zidar, Jera Jeruc, Lojze Šmid, Gaj Vidmar, Borut Štabuc, Matjaž Homan, 2025, izvirni znanstveni članek

Povzetek: Background/Objectives: Gastric intestinal metaplasia (GIM) is considered an irreversible preneoplastic precursor for gastric adenocarcinoma in adults. However, its significance in children and the long-term outcome remain poorly understood. Methods: All children diagnosed with GIM between 2000 and 2020 were identified at a large tertiary referral centre. Upon reaching adulthood (≥18 years), the patients were invited to undergo follow-up esophagogastroduodenoscopy (using narrow-band imaging additionally to high-definition white light endoscopy), with gastric biopsies obtained according to the updated Sydney protocol. Childhood and adulthood gastric biopsies were re-evaluated by two experienced gastrointestinal pathologists using Kreyberg staining. Results: Paediatric GIM was diagnosed in 178/14,409 (1.2%) esophagogastroduodenoscopies performed during the study period. Fifty adult patients with childhood GIM agreed to participate in the study. The mean age at childhood and adulthood endoscopies were 14.3 years (median 15) and 25.2 years (median 24), respectively. The mean follow-up interval was 10.5 years. All childhood GIM cases were classified as complete-type. Notably, GIM completely resolved in 41/50 of patients (82%) by the time of adulthood follow-up. No dysplasia or carcinoma was detected in any patient. Childhood Helicobacter pylori infection, similar to other evaluated host-related factors, was not significantly associated with the persistence of GIM into adulthood (11.2% vs. 29.3%, p = 0.41). Conclusions: Childhood GIM was a rare finding but demonstrated a high rate of reversibility by adulthood regardless of Helicobacter pylori status, with no cases of dysplasia or carcinoma observed during long-term follow-up.
Ključne besede: gastric intestinal metaplasia, preneoplastic lesion, gastric cancer, Helicobacter pylori, paediatric, esophagogastroduodenoscopy
Objavljeno v DiRROS: 10.04.2026; Ogledov: 146; Prenosov: 106
.pdf Celotno besedilo (1,06 MB)
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Global insights on the diagnosis, management, and prevention of pediatric ingestions : a report from the FISPGHAN expert panel
Michael A. Manfredi, Reinaldo P. Alvarez, Katsuhiro Arai, Huma A. Cheema, Andy Darma, Mamoun Elawad, Claudio Iglesias, Matjaž Homan, Omar I. Saadah, Catharine M Walsh, Lissy De Ridder, 2025, pregledni znanstveni članek

Povzetek: This is a comprehensive review of pediatric foreign body (FB) ingestions, emphasizing the global burden, epidemiology, and management strategies. Predominantly occurring in children under 6, with a peak between 6 months and 3 years, these incidents pose significant health risks with substantial regional variations in ingested objects—ranging from household items to caustic substances. The pathophysiological effects of ingestions are outlined, highlighting specific dangers associated with button batteries, sharp objects, and caustic agents, which can lead to severe tissue damage and long‐term complications. A survey of (70) pediatric gastroenterologists from FISPGHAN societies revealed varied regional practices in the frequency of different FB ingestions with food impaction highest in North America and Ocenaia and caustic ingestion more common is Asia. Button batterers were serious concerns across all regions. Management approaches, specifically intubation practice varied across regions. A review of management protocols for different types of ingestions are provided, emphasizing the urgency of endoscopic removal and follow-up care. Prevention strategies are critical, with a focus on public health interventions, legislation, and education to mitigate the risks associated with FB and caustic ingestions. This report underscores the need for enhanced preventive measures and uniform management guidelines to reduce the incidence and improve outcomes of pediatric ingestions worldwide
Ključne besede: button battery, caustic, foreign body removal, magnet ingestion, water beads
Objavljeno v DiRROS: 09.03.2026; Ogledov: 224; Prenosov: 134
.pdf Celotno besedilo (1,72 MB)
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Factors associated with decision to treat or not to treat Helicobacter pylori infection in children : data from the EuroPedHp Registry
Thu Giang Le Thi, Katharina Werkstetter, Kallirroi Kotilea, Patrick Bontems, José Cabral, Maria Luz Cilleruelo Pascual, Matjaž Homan, 2024, izvirni znanstveni članek

Povzetek: Background: European and North-American guidelines on management of H. pylori infection in children provide the option not to treat even if the infection is endoscopically confirmed. We used data from the EuroPedHp Registry to identify factors associated with therapy decisions. Methods: We included treatment-naïve patients reported between 2017 and 2020 from 30 centers in 17 European countries. Multivariable logistic regression identified factors including comorbidities within and outside the gastrointestinal (GI) tract influencing the decision for or against therapy. Results: Of 1165 patients (52% females, median age 12.8), 28% (321/1165) reported any alarm symptom, 26% (307/1165) comorbidities, and 16% (192/1165) did not receive eradication treatment. Therapy was initiated less often in children having any GI comorbidity (57%, n = 181), particularly in those with eosinophilic esophagitis (60%, n = 35), inflammatory bowel disease (54%, n = 28), and celiac disease (43%, n = 58), compared to those with non-GI (86%, n = 126) or no comorbidity (89%, n = 858), despite similar frequencies of alarm and non-alarm symptoms, ulcers, erosions, and nodular gastritis. Patients with GI and without comorbidities remained more likely untreated in high versus low H. pylori prevalence countries (p < 0.0001). In children without comorbidities, factors favoring therapy included older age, being overweight, having symptoms, erosions, antral nodularity, and available antibiotic susceptibility results. Conclusion: In this cohort, H. pylori-infected children with GI comorbidities compared to no comorbidity showed 75% reduced chance of receiving eradication therapy. We found no evidence supporting different management strategies in infected patients with GI comorbidities compared to all pediatric patients with endoscopically proven H. pylori infection.
Ključne besede: children, comorbidities, celiac disease, Helicobacter pylori
Objavljeno v DiRROS: 09.03.2026; Ogledov: 198; Prenosov: 169
.pdf Celotno besedilo (413,59 KB)
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Unusual foreign body in a teenage boy : case presentation and review of the literature
Maria Misiou, Antonia Jelicic Kadic, Matjaž Homan, 2025, drugi znanstveni članki

Povzetek: Foreign bodies (FBs) in the lower gastrointestinal tract are sporadically described in children. The therapeutic approach is individualized, depending on the type of FB, the location, time since insertion and the severity of bowel injuries. These FBs can be frequently removed manually or endoscopically. However, exploratory laparotomy is inevitable in unsuccessful and complicated cases. Herein we present a teenager boy with a self-inserted large perfume bottle in the sigma, and we performed the review of the published literature.
Ključne besede: bottle, endoscopy, rectum
Objavljeno v DiRROS: 09.03.2026; Ogledov: 159; Prenosov: 100
.pdf Celotno besedilo (570,03 KB)
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VIPAS39 related arthrogryposis-renal dysfunction-cholestasis syndrome : case report and systematic review
Jan Kafol, Barbara Gnidovec Stražišar, Ana Drole Torkar, Matjaž Homan, Sara Bertok, Matej Mlinarič, Jaka Šikonja, Jernej Kovač, Mirjana Perković-Benedik, Tanja Kersnik-Levart, Mojca Žerjav-Tanšek, Marina Praprotnik, Tadej Battelino, Maruša Debeljak, Urh Grošelj, 2024, pregledni znanstveni članek

Povzetek: Background: Arthrogryposis-renal dysfunction-cholestasis (ARC) syndrome, a rare autosomal recessive disorder, exhibits genetic heterogeneity with the VIPAS39 gene pathological variants being a distinct contributor. Results: We present two related patients from Kosovo, describing the clinical, genetic, and therapeutic aspects of the syndrome. The identified novel VIPAS39 pathological variants (c.762G > A; c.1064_1082delinsAGTG) emphasize the complex phenotypic expression of ARC syndrome. A systematic literature review identified 8 VIPAS39-related ARC cases with notable variability in clinical features. Prognostically, patients fell into severe and milder groups, with some reaching adolescence. Our report aligns with others noting milder ARC courses and emphasizes the value of genetic testing, especially in atypical presentations. Challenges included incomplete literature data, early mortality affecting diagnostic workup, and limited VIPAS39-related ARC cases. Comparisons with the more prevalent VPS33B pathological variants revealed no distinct clinical differences. Conclusion: Our study expands understanding of ARC syndrome, highlighting its genetic diversity and clinical variability. Milder presentations underscore diagnostic challenges and the potential prevalence of undiagnosed cases. Increased awareness and comprehensive genetic testing are crucial for early and accurate diagnosis.
Ključne besede: ARC syndrome, ARCS2, Arthrogryposis–renal dysfunction–cholestasis syndrome, VIPAR, VIPAS39
Objavljeno v DiRROS: 26.02.2026; Ogledov: 298; Prenosov: 135
.pdf Celotno besedilo (965,77 KB)
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