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1.
Pediatr Res ; 93(6): 1659-1666, 2023 05.
Artículo en Inglés | MEDLINE | ID: mdl-36008595

RESUMEN

BACKGROUND: Maintaining of remission early in the disease course of Crohn's disease (CD) is essential and has major impact on the future prognosis. This study aimed to identify baseline predictors to develop model allowing stratification of patients who will not benefit from long-term azathioprine (AZA) treatment and will require more intensive therapy. METHODS: This study was designed to develop clinical prediction rule using retrospective data analysis of pediatric CD patients included in prospective inception cohort. Clinical relapse was defined as necessity of re-induction of remission. Sequence of Cox models was fitted to predict risk of relapse. RESULTS: Out of 1190 CD patients from 13 European centers, 441 were included, 50.3% patients did not experience clinical relapse within 2 years of AZA treatment initiation. Median time to relapse was 2.11 (CI 1.59-2.46) years. Of all the tested parameters available at diagnosis, six were significant in multivariate analyses: C-reactive protein (p = 0.038), body mass index Z-score >0.8 SD (p = 0.002), abnormal sigmoid imaging (p = 0.039), abnormal esophageal endoscopy (p = 0.005), ileocolonic localization (p = 0.023), AZA dose in specific age category (p = 0.031). CONCLUSIONS: Although the possibility of predicting relapse on AZA treatment appears limited, we developed predictive model based on six baseline parameters potentially helpful in clinical decision. IMPACT: The possibility of predicting relapse on AZA treatment appears to be possible but limited. We identified six independent predictors available at diagnosis of early AZA/6-MP treatment failure in pediatric CD patients. Using combination of these factors, a model applicable to clinical practice was created. A web-based tool, allowing estimation of individual relapse risk in pediatric CD patients on a particular therapeutic regimen, has been developed.


Asunto(s)
Enfermedad de Crohn , Humanos , Niño , Enfermedad de Crohn/complicaciones , Enfermedad de Crohn/diagnóstico , Enfermedad de Crohn/tratamiento farmacológico , Inmunosupresores/uso terapéutico , Inmunosupresores/efectos adversos , Estudios Retrospectivos , Estudios Prospectivos , Inducción de Remisión , Azatioprina/uso terapéutico , Azatioprina/efectos adversos , Recurrencia
2.
J Pediatr Gastroenterol Nutr ; 77(1): 62-69, 2023 07 01.
Artículo en Inglés | MEDLINE | ID: mdl-36976584

RESUMEN

OBJECTIVE/BACKGROUND: Endoscopic balloon dilatation (EBD) has been shown to be effective and safe in adults with stricturing Crohn disease (CD) yet pediatric data is sparse. We aimed to assess efficacy and safety of EBD in stricturing pediatric CD. METHODS: International collaboration included 11 centers from Europe, Canada, and Israel. Recorded data included patient demographics, stricture features, clinical outcomes, procedural adverse events, and need for surgery. Primary outcome was surgery-free over 12 months and secondary outcomes were clinical response and adverse events. RESULTS: Eighty-eight dilatations were performed over 64 dilatation series in 53 patients. Mean age at CD diagnosis was 11.1 (±4.0) years, stricture length 4 cm [interquartile range (IQR) 2.8-5], and bowel wall thickness 7 mm (IQR 5.3-8). Twelve of 64 (19%) patients underwent surgery in the year following the dilatation series, at a median of 89 days (IQR 24-120; range 0-264) following EBD. Seven of 64 (11%) had subsequent unplanned EBD over the year, of whom two eventually underwent surgical resection. Two of 88 (2%) perforations were recorded, 1 of whom was managed surgically, and 5 patients had minor adverse events managed conservatively. There was a significant improvement in all clinical measures following EBD with weighted pediatric CD activity index-defined remission increasing from 13% at baseline to 44%, 46%, and 61%, and absence of obstructive symptoms in 55%, 53%, and 64% of patients at week 2, 8, and 24 respectively. CONCLUSIONS: In this largest study of EBD in pediatric stricturing CD to date, we demonstrated that EBD is effective in relieving symptoms and avoiding surgery. Adverse events rates were low and consistent with adult data.


Asunto(s)
Enfermedad de Crohn , Adulto , Humanos , Niño , Adolescente , Enfermedad de Crohn/complicaciones , Enfermedad de Crohn/cirugía , Constricción Patológica/etiología , Constricción Patológica/terapia , Dilatación/efectos adversos , Resultado del Tratamiento , Estudios Retrospectivos
3.
Int J Mol Sci ; 24(4)2023 Feb 17.
Artículo en Inglés | MEDLINE | ID: mdl-36835466

RESUMEN

The BRAF p.V600E mutation represents the most specific marker for papillary thyroid carcinoma and is potentially related to aggressive behavior and persistent disease. BRAF alterations other than the p.V600E are less common in thyroid carcinoma and represent an alternative mechanism of BRAF activation with unclear clinical significance. The study aims to describe the frequency and clinicopathologic characteristics of BRAF non-V600E mutations in a large cohort (1654 samples) of thyroid lesions characterized by next-generation sequencing. BRAF mutations have been found in 20.3% (337/1654) of thyroid nodules, including classic (p.V600E) mutation in 19.2% (317/1654) of samples and non-V600E variants in 1.1% of cases (19/1654). BRAF non-V600E alterations include 5 cases harboring p.K601E, 2 harboring p.V600K substitutions, 2 with a p.K601G variant, and 10 cases with other BRAF non-V600E alterations. BRAF non-V600E mutations have been reported in one case of follicular adenoma, three cases of conventional papillary thyroid carcinoma, eight cases of follicular variant of papillary carcinomas, one case of columnar cell variant papillary thyroid carcinoma, one case of oncocytic follicular carcinoma, and two bone metastasis of follicular thyroid carcinoma. We confirm that BRAF non-V600E mutations are uncommon and typically found in indolent follicular-patterned tumors. Indeed, we show that BRAF non-V600E mutations can be found in tumors with metastatic potential. However, in both aggressive cases, the BRAF mutations were concomitant with other molecular alterations, such as TERT promoter mutation.


Asunto(s)
Adenocarcinoma Folicular , Proteínas Proto-Oncogénicas B-raf , Neoplasias de la Tiroides , Nódulo Tiroideo , Humanos , Adenocarcinoma Folicular/genética , Análisis Mutacional de ADN , Mutación , Proteínas Proto-Oncogénicas B-raf/genética , Centros de Atención Terciaria , Cáncer Papilar Tiroideo/genética , Neoplasias de la Tiroides/genética
4.
Med Mycol ; 60(4)2022 Mar 22.
Artículo en Inglés | MEDLINE | ID: mdl-35195256

RESUMEN

The ability of medical centers in Eastern and South-Eastern Europe to diagnose and treat fungal infections remains unknown. In order to investigate that, here we conducted a cross-sectional online survey, released at both The International Society for Human & Animal Mycology (ISHAM) and European Confederation of Medical Mycology (ECMM) websites. A total of 31 institutions responded to the questionnaire. Most centers (87.1%, n = 27) had access to Aspergillus spp. ELISA galactomannan testing as well as to Cryptococcus spp. antigen testing (83.9%, n = 26). Serological tests were mostly available for Aspergillus species (80.6%, n = 25); and most institutions reported access to mold-active antifungal drugs (83.9%; n = 26), but 5-flucytosine was available to only 29% (n = 9) of the participant centers. In conclusion, this study represents the first attempt to document the strengths and limitations of the Eastern and South-Eastern European region for diagnosing and treating fungal diseases. LAY SUMMARY: Our article is about the availability of diagnostic and treatments tools related to fungal infections in the countries of Eastern and South-Eastern region. Surveys like these are important to understand the gaps and point towards the fungal infections as a global health issue.


Asunto(s)
Micología , Micosis , Animales , Antifúngicos/uso terapéutico , Estudios Transversales , Europa (Continente) , Europa Oriental , Humanos , Micosis/diagnóstico , Micosis/tratamiento farmacológico , Micosis/microbiología , Micosis/veterinaria
5.
J Pediatr Gastroenterol Nutr ; 74(2): 258-266, 2022 02 01.
Artículo en Inglés | MEDLINE | ID: mdl-34694270

RESUMEN

OBJECTIVES: Adult studies suggest that patients with isolated colonic Crohn disease (L2 CD) exhibit unique characteristics differentiating them from patients with ileo-caecal (L1) CD and ulcerative colitis (UC). We aimed to characterize clinical features and outcomes of paediatric patients with L2. METHODS: Retrospective data was collected through the Porto Inflammatory Bowel Disease group of the European Society for Paediatric Gastroenterology Hepatology and Nutrition (ESPGHAN) on Paediatric patients with L2, L1 or UC at different time-points. Outcome measures included time to first flare, hospital admissions, initiation of anti-tumor necrosis factor-alpha (TNFα) drug, stricture and surgery. RESULTS: Three hundred patients were included: 102 L1, 94 L2 and 104 UC. Rates of hematochezia at presentation were 14.7%, 44.7% and 95.2%, while rates of fever were 12.7%, 26.6% and 2.9%, for patients with L1, L2 and UC, respectively (P < 0.001 for all comparisons). Skip lesions were identified in 65% of patients with L2, and granulomas in 36%, similar to L1 patients. Rates of anti-Saccharomyces cerevisiae antibodies (ASCA) and perinuclear antineutrophil cytoplasmic (pANCA) positivity significantly differed between the three groups: 25.4% and 16.7% for patients with L2, compared with 55.2% and 2.3%, and 1.8% and 52.9% for patients with L1 and UC, respectively. Response rates to exclusive enteral nutrition were comparable between L1 and L2 (78.3-82.4%), as was the response to oral steroids (70.4-76.5%) in the three groups. While times to first flare and admission were similar between groups, patients with L1 were commenced on anti-TNFα earlier. Moreover, stricturing phenotype and need for colectomy were very rare in patients with L2. CONCLUSIONS: Significant differences are observed in the clinical presentation and outcomes of Paediatric patients with L2, compared to patients with L1 and UC.


Asunto(s)
Colitis Ulcerosa , Enfermedad de Crohn , Anticuerpos Anticitoplasma de Neutrófilos , Anticuerpos Antifúngicos , Niño , Colitis Ulcerosa/diagnóstico , Enfermedad de Crohn/diagnóstico , Enfermedad de Crohn/terapia , Diagnóstico Diferencial , Humanos , Estudios Retrospectivos , Saccharomyces cerevisiae
6.
Pediatr Res ; 89(7): 1798-1803, 2021 05.
Artículo en Inglés | MEDLINE | ID: mdl-32937648

RESUMEN

BACKGROUND: Assessing the inflammation is important in the follow-up of paediatric patients with inflammatory bowel disease (IBD). We aim to evaluate the value of B cell-activating factor (BAFF) in paediatric IBD as a potential biomarker for follow-up. METHOD: We determined BAFF in serum and faeces and faecal calprotectin (CP) in 32 IBD children-16 Crohn's disease (CD) and 16 ulcerative colitis (UC). Twenty-six healthy children and 10 children with irritable bowel syndrome (IBS) were included as controls. RESULTS: No differences were found in serum BAFF between IBD, IBS, and healthy group: 1037.35, 990.9 and 979.8 pg/ml, respectively, all p > 0.05, but faecal BAFF was higher in the IBD group: 15.1, 8.5 and 8.2 pg/ml, respectively, p < 0.05, and higher in the UC group (55.975 pg/ml) compared to the CD group (10.95 pg/ml), p = 0.015. Splitting the IBD group in relation to the CP level, the serum BAFF had no significantly different values between the subgroups, but the faecal BAFF was significantly higher in the >250 µg/g subgroup. Cut-off values of BAFF were calculated. CONCLUSION: Faecal BAFF is a promising marker for monitoring the children with IBD, higher levels of BAFF being correlated with high CP. IMPACT: Faecal BAFF is a promising marker in monitoring the children with IBD, higher levels of BAFF being correlated with high faecal calprotectin. To our knowledge, this is the first paediatric study concerning BAFF evaluation in IBD. Faecal BAFF levels could be considered a potential non-invasive marker in monitoring IBD activity in paediatric population with clinically mild or inactive disease.


Asunto(s)
Factor Activador de Células B/metabolismo , Enfermedades Inflamatorias del Intestino/metabolismo , Adolescente , Biomarcadores/metabolismo , Estudios de Casos y Controles , Niño , Preescolar , Femenino , Humanos , Masculino , Estudios Prospectivos
7.
J Crohns Colitis ; 17(12): 1939-1948, 2023 Dec 30.
Artículo en Inglés | MEDLINE | ID: mdl-37392064

RESUMEN

BACKGROUND AND AIMS: Ulcerative proctitis [UP] is an uncommon presentation in paediatric patients with ulcerative colitis. We aimed to characterize the clinical features and natural history of UP in children, and to identify predictors of poor outcomes. METHODS: This was a retrospective study involving 37 sites affiliated with the IBD Porto Group of ESPGHAN. Data were collected from patients aged <18 years diagnosed with UP between January 1, 2016 and December 31, 2020. RESULTS: We identified 196 patients with UP (median age at diagnosis 14.6 years [interquartile range, IQR 12.5-16.0]), with a median follow-up of 2.7 years [IQR 1.7-3.8]. The most common presenting symptoms were bloody stools [95%], abdominal pain [61%] and diarrhoea [47%]. At diagnosis, the median paediatric ulcerative colitis activity index [PUCAI] score was 25 [IQR 20-35], but most patients exhibited moderate-severe endoscopic inflammation. By the end of induction, 5-aminosalicylic acid administration orally, topically or both resulted in clinical remission rates of 48%, 48%, and 73%, respectively. The rates of treatment escalation to biologics at 1, 3, and 5 years were 10%, 22%, and 43%, respectively. In multivariate analysis, the PUCAI score at diagnosis was significantly associated with initiation of systemic steroids, or biologics, and subsequent acute severe colitis events and inflammatory bowel disease-associated admission, with a score ≥35 providing an increased risk for poor outcomes. By the end of follow-up, 3.1% of patients underwent colectomy. Patients with UP that experienced proximal disease progression during follow-up [48%] had significantly higher rates of a caecal patch at diagnosis and higher PUCAI score by the end of induction, compared to those without progression. CONCLUSION: Paediatric patients with UP exhibit high rates of treatment escalation and proximal disease extension.


Asunto(s)
Productos Biológicos , Colitis Ulcerosa , Enfermedades Inflamatorias del Intestino , Proctitis , Humanos , Niño , Adolescente , Estudios Retrospectivos , Colitis Ulcerosa/complicaciones , Colitis Ulcerosa/diagnóstico , Colitis Ulcerosa/tratamiento farmacológico , Enfermedades Inflamatorias del Intestino/tratamiento farmacológico , Proctitis/diagnóstico , Proctitis/etiología , Productos Biológicos/uso terapéutico
8.
J Pediatr Gastroenterol Nutr ; 55(3): 340-61, 2012 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-22773060

RESUMEN

BACKGROUND AND AIMS: Pediatric ulcerative colitis (UC) shares many features with adult-onset disease but there are some unique considerations; therefore, therapeutic approaches have to be adapted to these particular needs. We aimed to formulate guidelines for managing UC in children based on a systematic review (SR) of the literature and a robust consensus process. The present article is a product of a joint effort of the European Crohn's and Colitis Organization (ECCO) and the European Society for Paediatric Gastroenterology, Hepatology, and Nutrition (ESPGHAN). METHODS: A group of 27 experts in pediatric IBD participated in an iterative consensus process including 2 face-to-face meetings, following an open call to ESPGHAN and ECCO members. A list of 23 predefined questions were addressed by working subgroups based on a SR of the literature. RESULTS: A total of 40 formal recommendations and 68 practice points were endorsed with a consensus rate of at least 89% regarding initial evaluation, how to monitor disease activity, the role of endoscopic evaluation, medical and surgical therapy, timing and choice of each medication, the role of combined therapy, and when to stop medications. A management flowchart, based on the Pediatric Ulcerative Colitis Activity Index (PUCAI), is presented. CONCLUSIONS: These guidelines provide clinically useful points to guide the management of UC in children. Taken together, the recommendations offer a standardized protocol that allows effective, timely management and monitoring of the disease course, while acknowledging that each patient is unique.


Asunto(s)
Protocolos Clínicos , Colitis Ulcerosa/terapia , Consenso , Pediatría , Sociedades Médicas , Niño , Europa (Continente) , Humanos
9.
Roum Arch Microbiol Immunol ; 70(3): 134-40, 2011.
Artículo en Inglés | MEDLINE | ID: mdl-22570928

RESUMEN

The normal intestinal microflora (microbiota) represents a complex, dynamic, and diverse collection of microorganisms, which usually inhabit the gastrointestinal tract. Normally, between this flora and the human host a mutually beneficial long-term symbiotic relationship is established, where the host contributes essential nutrients necessary for the survival of the microbiota and the latter fulfils multiple roles in host nutrition and development. Several achievements have recently converged to renew interest in studying the normal gut microbiota: the development of molecular methods of studying the microbial communities, the improved understanding of host-microbe interactions in health and disease, and the potential for therapeutic manipulation of the microbiota. We present recent data concerning the molecular technologies of studying the microbiota and new findings regarding the composition of the normal flora. We underline the beneficial activities of the gut flora on the human host. We emphasize the recent findings in the alterations of the microbiota in various medical conditions (celiac disease, irritable bowel syndrome, obesity, colorectal cancer, allergic disorders, and especially inflammatory bowel diseases). The results of these new studies suggest that changes of the microbiota could be linked to the etiopathogenesis of these diseases. These outstanding findings could be used for further diagnostic tools and/or therapy.


Asunto(s)
Tracto Gastrointestinal/microbiología , Metagenoma/fisiología , Metagenómica , Animales , Enfermedad Celíaca/etiología , Neoplasias Colorrectales/etiología , Humanos , Hiperglucemia/etiología , Enfermedades Inflamatorias del Intestino/etiología , Síndrome del Colon Irritable/etiología , Obesidad/etiología
10.
Med Ultrason ; 23(2): 153-160, 2021 May 20.
Artículo en Inglés | MEDLINE | ID: mdl-33626119

RESUMEN

AIM: To evaluate the value of abdominal ultrasonography (US) in the follow-up of paediatric patients with ulcerative colitis (UC) compared to faecal calprotectin (FC) and colonoscopy. MATERIAL AND METHOD: In this retrospective study we enrolled 30 paediatric patients previously diagnosed with UC, examined by abdominal US and colonoscopy within the same week. FC was also determined during the same week. Disease activity was established using the paediatric ulcerative colitis activity index (PUCAI). The global endoscopic activity was evaluated using the Mayo endoscopic subscore. RESULTS: Endos-copy revealed pathological findings of active disease in 27 out of 30 patients; 3 patients were in endoscopic remission. Only 18 of them had clinical active disease (PUCAI >10), [sensitivity (Se) 66.7% and specificity (Sp) 33% of PUCAI in detecting endoscopic active disease). Twenty-three (76.7%) patients had FC >250 mcg/g, but in 2 of these cases the colonoscopy was normal (Se 77.8% and Sp 33.3% in detecting active disease). At US examination, pathological findings (increased bowel wall thickness, hypervascularity, lymphadenopathies, and/or mesenteric inflammatory fat) were found in 27 patients (90%), all with endoscopic active disease (agreement US - colonoscopy, at patient level, k=1.0, p<0.001, Se 100% and Sp 100%). At seg-ment level (totally 180 bowel segments examined by US), the overall agreement between US and colonoscopy was k=0.767, p<0.001, Se 86.5%, Sp 90.1%. Of the 27 patients with US pathological findings in any of colonic segments, 23 had FC >250 mcg/g (85.1%). The inter-observer agreement for the US measurements had an overall ICC of 0.926 with p<0.001. CONCLUSION: Abdominal US findings demonstrate a good to excellent concordance with endoscopic examination and are correlated with elevated FC levels. Therefore, US appears as an accurate technique in assessing activity in patients with UC and might replace colonoscopic evaluation for the follow-up.


Asunto(s)
Colitis Ulcerosa , Abdomen , Biomarcadores/análisis , Niño , Colitis Ulcerosa/diagnóstico por imagen , Colonoscopía , Heces , Humanos , Complejo de Antígeno L1 de Leucocito , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Ultrasonografía
11.
Inflamm Bowel Dis ; 26(9): 1407-1414, 2020 08 20.
Artículo en Inglés | MEDLINE | ID: mdl-31689349

RESUMEN

BACKGROUND: Vaccine-preventable diseases and opportunistic infections in pediatric inflammatory bowel disease (IBD) are increasingly recognized issues. The aims of this study were to evaluate vaccinations, immunization status, and consequent therapeutic management in children with IBD and to analyze the differences among patients diagnosed before (Group 1) and after June 2012 (Group 2). METHODS: This was a multicenter, retrospective cohort investigation. Between July 2016 and July 2017, 430 children with IBD were enrolled in 13 centers. Diagnosis, therapeutic history, vaccinations, and immunization status screening at diagnosis and at immunosuppressant (IM)/biologic initiation and reasons for incomplete immunization were retrieved. RESULTS: Vaccination rates at diagnosis were unsatisfactory for measles, mumps, and rubella (89.3%), Haemophilus influenzae (81.9%), meningococcus C (23.5%), chickenpox (18.4%), pneumococcus (18.6%), papillomavirus (5.9%), and rotavirus (1.9%). Complete immunization was recorded in 38/430 (8.8%) children, but specific vaccines were recommended in 79/430 patients (18.6%), without differences between the 2 groups. At IM start, 22% of children were tested for Epstein-Barr virus (EBV) status, with 96.2% of EBV-naïve patients starting azathioprine, without differences between Groups 1 and 2. Screening for latent tuberculosis (TB) before start of biologics was performed in 175/190 (92.1%), with up to 9 different screening strategies and numerous inconsistencies. CONCLUSIONS: We demonstrated a poor immunization status at diagnosis in children with IBD, which was not followed by proper vaccination catch-up. EBV status before IM initiation and latent TB before biologics were not adequately assessed. Thus, the overall impact of the current guidelines seems unsatisfactory.


Asunto(s)
Colitis Ulcerosa/inmunología , Enfermedad de Crohn/inmunología , Enfermedades Inflamatorias del Intestino/inmunología , Infecciones Oportunistas/prevención & control , Vacunación/estadística & datos numéricos , Niño , Colitis Ulcerosa/tratamiento farmacológico , Enfermedad de Crohn/tratamiento farmacológico , Infecciones por Virus de Epstein-Barr/prevención & control , Femenino , Adhesión a Directriz , Herpesvirus Humano 4 , Humanos , Esquemas de Inmunización , Inmunosupresores/efectos adversos , Enfermedades Inflamatorias del Intestino/tratamiento farmacológico , Tuberculosis Latente/prevención & control , Masculino , Mycobacterium tuberculosis , Infecciones Oportunistas/inmunología , Estudios Retrospectivos , Vacunación/normas
13.
Nutr Clin Pract ; 30(6): 760-79, 2015 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-26452390

RESUMEN

Inflammatory bowel disease (IBD), including ulcerative colitis, Crohn's disease, and unclassified IBD, continues to cause significant morbidity. While its incidence is increasing, no clear etiology and no cure have yet been discovered. Recent findings suggest that IBD may have a multifactorial etiology, where complex interactions between genetics, epigenetics, environmental factors (including diet but also infections, antibiotics, and sanitation), and host immune system lead to abnormal immune responses and chronic inflammation. Over the past years, the role of altered gut microbiota (in both composition and function) in IBD pathogenesis has emerged as an outstanding area of interest. According to new findings, gut dysbiosis may appear as a key element in initiation of inflammation in IBD and its complications. Moreover, complex metagenomic studies provide possibilities to distinguish between IBD types and appreciate severity and prognosis of the disease, as well as response to therapy. This review provides an updated knowledge of recent findings linking altered bacterial composition and functions, viruses, and fungi to IBD pathogenesis. It also highlights the complex genetic, epigenetic, immune, and microbial interactions in relation to environmental factors (including diet). We overview the actual options to manipulate the altered microbiota, such as modified diet, probiotics, prebiotics, synbiotics, antibiotics, and fecal transplantation. Future possible therapies are also included. Targeting altered microbiota could be the next therapeutic personalized approach, but more research and well-designed comparative prospective studies are required to formulate adequate directions for prevention and therapy.


Asunto(s)
Microbioma Gastrointestinal , Enfermedades Inflamatorias del Intestino/microbiología , Enfermedades Inflamatorias del Intestino/terapia , Prebióticos , Probióticos/uso terapéutico , Humanos
14.
Med Ultrason ; 17(4): 422-30, 2015 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-26649334

RESUMEN

UNLABELLED: The diagnosis and monitoring of Crohn's disease (CD) represents a diagnosis challenge in which imaging plays an important role. AIM: In the present paper we aim to demonstrate the role of sonoelastography (SE), performed in addition to hydrosonography (HS), in the evaluation of CD in children and to propose a scoring system for the appreciation of disease activity. MATERIAL AND METHOD: All the patients included into the study were diagnosed with CD and had underwent HS and SE as part of the imaging evaluation. In selected cases magnetic resonance enterography (MRE) was also performed. SE aspects were classified into three types, each corresponding to a specific bowel wall pattern: normal or remission (type A), inflammation (type B) and fibrosis (type C); this classification represents the basis of the scoring system. For the purpose of statistical analysis each evaluated bowel segment became an individual case. RESULTS: Forty eight bowel segments were evaluated by SE: 21 type A, 20 type B and 7 type C. Statistically significant correlations were found between the intestinal wall HS changes, presence of complications, activity markers and the SE score. The HS assessment of the periintestinal area correlated only partially with SE score, while certain SE scores also proved to be predictors for the presence of complications or for increased values of the disease activity markers. CONCLUSIONS: SE, along with HS, represents a reliable investigation in the correct diagnosis and monitoring of pediatric patients with CD and the SE scoring system may be introduced as a method for the assessment of disease activity.


Asunto(s)
Colon/diagnóstico por imagen , Colon/fisiopatología , Enfermedad de Crohn/diagnóstico por imagen , Enfermedad de Crohn/fisiopatología , Diagnóstico por Imagen de Elasticidad/métodos , Interpretación de Imagen Asistida por Computador/métodos , Adolescente , Algoritmos , Niño , Módulo de Elasticidad , Femenino , Humanos , Masculino , Reproducibilidad de los Resultados , Sensibilidad y Especificidad , Índice de Severidad de la Enfermedad
16.
Cancer Lett ; 345(2): 258-70, 2014 Apr 10.
Artículo en Inglés | MEDLINE | ID: mdl-23981580

RESUMEN

Cancers of the gastrointestinal (GI) tract continue to represent a major health problem, despite progress in therapy. Gut microbiota is a key element related to the genesis of GI cancers, countless papers addressing this burning issue across the world. We provide an updated knowledge of the involvement of gut microbiota in GI tumorigenesis, including its underlying mechanisms. We present also a comprehensive review of the evidence from animal and clinical studies using probiotics and/or prebiotics in the prevention and/or therapy of GI tumours, of GI cancer therapy-related toxicity and of post-operative complications. We summarize the anticarcinogenic mechanisms of these biotherapeutics from in vitro, animal and clinical interventions. More research is required to reveal the interactions of microflora with genetic, epigenetic and immunologic factors, diet and age, before any firm conclusion be drawn. Well-designed, randomized, double blind, placebo-controlled human studies using probiotics and/or prebiotics, with adequate follow-up are necessary in order to formulate directions for prevention and therapy.


Asunto(s)
Disbiosis/terapia , Neoplasias Gastrointestinales/prevención & control , Intestinos/microbiología , Prebióticos , Probióticos/uso terapéutico , Animales , Disbiosis/complicaciones , Disbiosis/microbiología , Neoplasias Gastrointestinales/microbiología , Humanos , Resultado del Tratamiento
17.
Inflamm Bowel Dis ; 20(2): 291-300, 2014 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-24374875

RESUMEN

BACKGROUND: The combination of the severity of pediatric-onset inflammatory bowel disease (IBD) phenotypes and the need for intense medical treatment may increase the risk of malignancy and mortality, but evidence regarding the extent of the problem is scarce. Therefore, the Porto Pediatric IBD working group of ESPGHAN conducted a multinational-based survey of cancer and mortality in pediatric IBD. METHODS: A survey among pediatric gastroenterologists of 20 European countries and Israel on cancer and/or mortality in the pediatric patient population with IBD was undertaken. One representative from each country repeatedly contacted all pediatric gastroenterologists from each country for reporting retrospectively cancer and/or mortality of pediatric patients with IBD after IBD onset, during 2006-2011. RESULTS: We identified 18 cases of cancers and/or 31 deaths in 44 children (26 males) who were diagnosed with IBD (ulcerative colitis, n = 21) at a median age of 10.0 years (inter quartile range, 3.0-14.0). Causes of mortality were infectious (n = 14), cancer (n = 5), uncontrolled disease activity of IBD (n = 4), procedure-related (n = 3), other non-IBD related diseases (n = 3), and unknown (n = 2). The most common malignancies were hematopoietic tumors (n = 11), of which 3 were hepatosplenic T-cell lymphoma and 3 Ebstein-Barr virus-associated lymphomas. CONCLUSIONS: Cancer and mortality in pediatric IBD are rare, but cumulative rates are not insignificant. Mortality is primarily related to infections, particularly in patients with 2 or more immunosuppressive agents, followed by cancer and uncontrolled disease. At least 6 lymphomas were likely treatment-associated by virtue of their phenotype.


Asunto(s)
Enfermedades Inflamatorias del Intestino/complicaciones , Neoplasias/etiología , Neoplasias/mortalidad , Adolescente , Niño , Preescolar , Europa (Continente)/epidemiología , Femenino , Estudios de Seguimiento , Humanos , Incidencia , Enfermedades Inflamatorias del Intestino/epidemiología , Masculino , Estudios Retrospectivos , Factores de Riesgo , Tasa de Supervivencia/tendencias
18.
Rev Med Chir Soc Med Nat Iasi ; 116(4): 983-90, 2012.
Artículo en Inglés | MEDLINE | ID: mdl-23700876

RESUMEN

Countless studies aiming to discover the cause and cure of inflammatory bowel disease (IBD) have been conducted over the years world-wide. Food nutrients were believed to play a certain role in the causation of the disease, in conjunction with genetic, immunologic, environmental and other factors (especially intestinal microbiota). Various nutrients were found to be involved, sometimes with controversial results, possibly pertaining to geographic regions. Nutrition has to be especially considered in children as disease itself and/or the medication can severely impair normal growth and development, sometimes with permanent long-term sequels. We reviewed the data on the possible roles of diet in preventing the disease and relapses. We emphasize the crucial importance of enteral nutrition in inducing and maintaining the remission of Crohn's disease, according to the existing consensuses (benefits, indications, routes of administration, types of formula, duration, results). We also present data on parenteral nutrition in pediatric IBD, with current updates from literature.


Asunto(s)
Nutrición Enteral , Enfermedades Inflamatorias del Intestino/terapia , Nutrición Parenteral , Índice de Masa Corporal , Niño , Colitis Ulcerosa/terapia , Enfermedad de Crohn/terapia , Nutrición Enteral/métodos , Medicina Basada en la Evidencia , Humanos , Enfermedades Inflamatorias del Intestino/etiología , Terapia Nutricional/métodos , Obesidad/complicaciones , Sobrepeso/complicaciones , Nutrición Parenteral/métodos , Factores de Riesgo , Resultado del Tratamiento
19.
J Pediatr Gastroenterol Nutr ; 35(3): 356-9, 2002 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-12352527

RESUMEN

Although its pathogenesis remains still unknown, fibrosing colonopathy (FCP) is considered to be the result of prolonged treatment by high doses of pancreatic enzyme preparations, in a small proportion of patients who present with cystic fibrosis (CF). We present the case of a newborn with meconium ileus (treated by conservative measures), in which, at the age of 3 weeks, the features of intestinal obstruction made necessary the removal of 15 cm of the proximal large intestine. Macroscopical and especially microscopical appearances typical for FCP were found, despite the absence of any enzymatic treatment. These findings raised the suspicion of CF, which was confirmed 4 weeks later at necropsy by the presence of characteristic pancreatic lesions. This case and another similar report in the literature suggest that the mechanism of FCP must be linked with the disease itself, at least in some patients. Thus, for us, FCP is not a "closed subject" and we sustain the importance of continuing studies, which will shed light on its etiopathogenesis.


Asunto(s)
Colon/patología , Enfermedades del Colon/complicaciones , Enfermedades del Colon/patología , Fibrosis Quística/complicaciones , Fibrosis Quística/patología , Suplementos Dietéticos/efectos adversos , Obstrucción Intestinal/patología , Pancreatina/efectos adversos , Colon/cirugía , Enfermedades del Colon/cirugía , Humanos , Recién Nacido , Masculino , Meconio
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