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  • 1
    Abstract: Anorectal malformations (ARM) have a low prevalence, patients need specialized surgical care, and in many cases, patients born with ARM even need life-long aftercare. Due to its low prevalence most patients are still treated in low-volume pediatric surgical centers without any adequate monitoring of the outcome. Data on prevalence, comparison of different surgical techniques, and prospective outcome measurements are still scarce and difficult to interpret. In 2010, a consortium was founded (ARM-Net consortium) including several European pediatric surgical centers to collaborate more in research and share knowledge on ARM. One of the structures started by the consortium was an ARM-Net registry for the inclusion of all future patients treated in these centers. With this review, we report the structure of the ARM-Net registry, some of the results, and discuss the challenges we faced and still face after its introduction in 2010.
    Type of Publication: Journal article published
    PubMed ID: 26642384
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  • 2
    Abstract: Background The short- and long-term surgical results in patients with esophageal atresia (EA) with or without tracheoesophageal fistula (TEF) have been described in depth from a physician's perspective. Contrarily, the perception and coping strategies of affected patients and their parents have rarely been reported. The aim of this study was to generate data on this matter. Patients and Methods A total of 154 patients who had operative reconstruction for EA between 1971 and 2012 were evaluated for demographic data, surgical technique, affection of daily life, and coping strategies. Results Gastroesophageal reflux (GER) symptoms were reported in 59% of cases with 33% requiring fundoplication. Regular bougienages of anastomotic strictures were necessary in 68% with 36% requiring repeated dilatations in the first postoperative year. Enteral nutrition via a nasogastric tube was performed in 66% after surgery. In 40%, the tube was needed until their sixth week of life. In 25%, nutritional support was necessary more than 1 year out of surgery. Quality of life in general was felt to be impaired according to the patients' parents in 50%. Regarding medical advice about long-term morbidities, more than 50% of the parents felt insufficiently advised. There were no statistical differences between the EA/TEF subtypes regarding GER symptoms, frequency of esophageal dilatations, eating behaviors, or support of the parents in feeding management. Conclusion Our observations indicate that a high percentage of EA/TEF patients and families require more intensive aftercare and support during the first year following primary reconstruction than previously thought. We observed a higher need for adequate parental information on long-term complications of their children compared with current practice.
    Type of Publication: Journal article published
    PubMed ID: 28061521
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  • 3
    Abstract: BACKGROUND: Esophageal atresia with or without tracheoesophageal fistula (EA/TEF) represents the most common developmental malformation of the upper digestive tract. It is classified into six subtypes according to the classification of Vogt, depending on anatomical variation of this malformation. Around 50% of the patients with EA/TEF present additional anomalies, which often influence, next to the EA/TEF subtype, the overall prognosis of EA/TEF newborns. Here, we investigated the association of the different EA/TEF subtypes with co-occurring congenital anomalies in EA/TEF patients and demonstrate their implications for postnatal diagnostic workup. MATERIALS AND METHODS: We investigated 333 patients of a large German multicenter study born between 1980 and 2012. After evaluation of all available clinical records, 235 patients were included in our analysis. We compared our results with existing data. RESULTS: The highest risk for co-occurring anomalies was seen in patients with most common Vogt 3b (p = 0.024), especially for additional gastrointestinal anomalies (p = 0.04). Co-occurring anomalies of the skin were significantly more common in patients with subtype Vogt 2 (p = 0.024). A significant correlation was observed for an impaired neurodevelopmental outcome and EA/TEF Vogt 3a (p = 0.041). Patients with EA/TEF showed a higher risk to present with any additional congenital anomaly compared with the general population (p 〈 0.001). CONCLUSION: Our results warrant thorough clinical workup for gastrointestinal anomalies especially in patients with Vogt 3b. Moreover, it might be necessary to focus on a thorough aftercare for neurocognitive development in patients with Vogt 3a. The here presented observations need to be confirmed by future studies.
    Type of Publication: Journal article published
    PubMed ID: 28061520
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  • 4
    Keywords: tumor ; evaluation ; Germany ; PERFUSION ; CT ; DIAGNOSIS ; imaging ; INFORMATION ; SYSTEM ; VISUALIZATION ; VOLUME ; liver ; SITE ; TISSUE ; TUMORS ; SURGERY ; PATIENT ; IMPACT ; primary ; DYNAMICS ; MR ; MRI ; AGE ; magnetic resonance imaging (MRI) ; CHILDREN ; CHILDHOOD ; monitoring ; SOLID TUMORS ; ENHANCEMENT ; methods ; technique ; CHILD ; AGREEMENT ; pediatric ; nephroblastoma ; MEDIA ; three-dimensional ; 3D imaging ; discussion ; pediatrics ; interactive
    Abstract: Introduction: 3D imaging and surgical planning for the treatment of embryonal tumors using different techniques (CT versus MRI) are presently under discussion. Up to now, the main focus has been on visualizing the anatomy. Contrast medium dynamics have not been taken into consideration. The aim of the present study was to establish the technical means of integrating the 3D images from functional MRI data into the anatomical images and to determine clinical applications for this approach. Material and Methods: In 11 patients (mean age: 2.4 years) with solid tumors, 26 diagnostic MRI examinations were performed for primary diagnosis, treatment monitoring, or as part of the surgical planning. Seven children presented with neuroblastomas, three with Wilms' tumor, and one with advanced bilateral nephroblastomatosis. The MRI data were acquired using a 1.5-T system. For post-processing, we used volume rendering software, including an evaluation of perfusion. By using color-coded parametric images and integrating functional information, perfusion could be visualized and used for interactive surgical planning. Macroscopic and microscopic sections served as the gold standard for assessing tissue viability. Results: We were able to integrate the dynamic data into the anatomical images for all patients. A good agreement was found between the results of surgical planning, including perfusion mapping, with the surgical site, subsequently produced macroscopic sections and the results of random microscopic examinations. Conclusions: Perfusion mapping using color-coded parametric images of pediatric abdominal tumors extends the diagnostic techniques currently available. We provide first proof of the possibility of integrating functional information into 3D MR images in children. Monitoring the treatment of nephroblastoma and surgical planning for pediatric embryonal tumors represent potential applications of this technique
    Type of Publication: Journal article published
    PubMed ID: 18302062
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