Publications by authors named "Dirk Schramm"

Paediatric interventional pulmonology has evolved significantly since the introduction of flexible bronchoscopy in the 1970s, transforming the diagnosis and treatment of paediatric respiratory conditions. This review examines the current state and future directions of the field, emphasising the unique challenges in paediatric airways that necessitate specialised knowledge, instruments and expertise. Recent technological advances in bronchoscopy have expanded both diagnostic and therapeutic capabilities, enabling precise, minimally invasive procedures tailored to paediatric needs.

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Introduction: Chronic pulmonary aspiration (CPA), a common complication of pediatric dysphagia, poses significant risks to respiratory health, potentially leading to bronchiectasis and permanent lung damage. Despite its clinical impact, the mechanisms underlying aspiration-related lung injury remain unclear. This study investigates the microbial alterations in the lungs of children with CPA and their association with immune responses.

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Purpose Of Review: Pediatric interventional pulmonology (PIP) is an evolving subspecialty aiming at respiratory diseases in children through procedural interventions. This review discusses recent developments and challenges in global adoption of these advancements.

Recent Findings: Innovations such as ultra-thin cryoprobes and bronchoscopes allow for diagnostic and interventional procedures in pediatric airways.

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Background: Surgical lung biopsy (SLB) is the standard for diagnosing pediatric interstitial lung diseases (ILDs). However, transbronchial lung cryobiopsy (TBLC) is emerging as a less invasive alternative. We aim to systematically review the efficacy and safety of TBLC in pediatric ILDs.

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Background: Persistent tachypnea of infancy (PTI) or neuroendocrine cell hyperplasia of infancy (NEHI) is a form of childhood interstitial lung disease (chILD) that predominantly affects young children. Although it is one of the most common chILDs, no unified diagnostic approach specific to this condition exists.

Research Question: Are the clinical presentation and the diagnostic approach different in patients with PTI/NEHI among European countries?

Study Design And Methods: This was a European multicenter, retrospective, observational study.

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Objective: To review the evolution of pediatric pulmonology interventions and propose strategies for advancing training in the field.

Methods: I examined the historical development of pediatric pulmonology interventions and current training practices, including hands-on courses and fellowship programs. I reviewed a survey of US pediatric pulmonology centers to assess variability in procedural expertise.

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Respiratory health in children is essential for general wellbeing and healthy development in the short and long term. It is well known that many respiratory diseases in adulthood have their origins in early life, and therefore research on prevention of respiratory diseases and management of children with respiratory diseases will benefit patients during the full life course. Scientific and clinical advances in the field of respiratory health are moving at a fast pace.

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Purpose: Preterm infants (PI) have difficulty coordinating sucking, swallowing and breathing, and there is a risk of aspiration. The causes of this are not yet sufficiently understood. The aim of this study was to test a novel measurement device to measure breathing and pharyngeal processes involved in swallowing externally in everyday life to identify possible differences in neonates (NB) and PI.

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This review has been prepared by the Early Career Members and Chairs of the European Respiratory Society (ERS) Assembly 7: Paediatrics. We here summarise the highlights of the advances in paediatric respiratory research presented at the ERS International Congress 2022. The eight scientific groups of this Assembly cover a wide range of research areas, including respiratory physiology and sleep, asthma and allergy, cystic fibrosis (CF), respiratory infection and immunology, neonatology and intensive care, respiratory epidemiology, bronchology, and lung and airway developmental biology.

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Background: Foreign body aspiration in children is a potentially life-threatening event that can be diagnosed and treated by airway endoscopy. We aimed to analyze the influence of the examiner's experience and preference on the choice of the technique and the resulting complication rate.

Methods: In this international study, experts in the field documented their preferred and applied technique as well as the outcome of each case of foreign body removal.

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Background: Clinical Swallowing Examination (CSE) and Fiberoptic Endoscopic Evaluation of Swallowing (FEES) are relevant diagnostic methods in pediatric dysphagia. Satisfactory and comprehensive healthcare is still not part of the standard diagnostic process.

Aims: The purpose of this article is to evaluate the safety, feasibility, and diagnostic value of CSE and FEES in children 0-24 months of age.

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While foreign body aspiration remains a frequent and preventable cause of morbidity and mortality in children, recommendations on the appropriate removal technique do often not match the lived practice and expertise of the performing examiners. As there is a scarcity of data regarding success and complication rates of the procedure, the aim of this study was to set up a classification system for procedure-related complications, prospectively record and analyze them. Specialists in the field of foreign body removal contributed cases anonymously.

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Background And Objective: Cryotherapy in interventional bronchoscopy is a new treatment modality, which has recently been made available for the paediatric airway. Lack of experience and safety concerns have led to hesitant adaptation. The aim of this study was to assess indications, success rates and complications of airway cryotherapy in children.

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In this review, Early Career Members of the European Respiratory Society (ERS) and the Chairs of the ERS Assembly 7: Paediatrics present the highlights in paediatric respiratory medicine from the ERS International Congress 2021. The eight scientific Groups of this Assembly cover respiratory physiology and sleep, asthma and allergy, cystic fibrosis (CF), respiratory infection and immunology, neonatology and intensive care, respiratory epidemiology, bronchology, and lung and airway development. We here describe new developments in lung function testing and sleep-disordered breathing diagnosis, early life exposures affecting pulmonary function in children and effect of COVID-19 on sleep and lung function.

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Introduction: Pulmonary alveolar proteinosis (PAP) is defined by increased accumulation of surfactant in the alveolar space. PAP has been reported to be associated with a large number of clinical conditions and diseases. Whole lung lavages (WLLs) can be helpful to stabilize the clinical course of PAP until the underlying condition is identified, which may enable more specific treatment.

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Background: Aspirations are frequent in children with neurological impairment. They significantly increase the risk for acute and chronic respiratory insufficiencies leading to high morbidity and mortality. Laryngeal sensation deficits have been linked to aspirations in adults and are a suspected cause for dysphagia in children.

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Gain-of-function variants in STAT3 are known to cause severe, multifaceted autoimmunity. Here we report three individuals with de-novo STAT3 GOF alleles and early-onset, severe interstitial lung disease manifesting during the first 3 years of life. Imaging and histology revealed different forms of interstitial pneumonia alongside fibrotic and cystic tissue destruction.

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For many decades, pediatric bronchoscopy has been an integral part of the diagnosis and treatment of acute and chronic pulmonary diseases in children. Rapid technical advances have continuously influenced the performance of the procedure. Over the years, the application of pediatric bronchoscopy has considerably expanded to a broad range of indications.

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In this review, the Paediatric Assembly of the European Respiratory Society (ERS) presents a summary of the highlights and most relevant findings in the field of paediatric respiratory medicine presented at the virtual ERS International Congress 2020. Early Career Members of the ERS and Chairs of the different Groups comprising the Paediatric Assembly discuss a selection of the presented research. These cover a wide range of research areas, including respiratory physiology and sleep, asthma and allergy, cystic fibrosis, respiratory infection and immunology, neonatology and intensive care, epidemiology, bronchology and lung and airway development.

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On March 11, 2020, the World Health Organization (WHO) declared the pandemic because of a novel coronavirus, called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In January 2020, the first transmission to healthcare workers (HCWs) was described. SARS-CoV-2 is transmitted between people because of contact, droplets, and airborne.

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Background: Oral glucose tolerance (OGT) deteriorates progressively in cystic fibrosis (CF). Clinical registries provide a unique basis to study real-world data.

Patients & Methods: OGT tests (OGTTs) documented in the German CF-registry in 2016 were classified according WHO, modified by ADA: normal glucose tolerance (NGT), indeterminate glycaemia (INDET), impaired fasting glucose (IFG), impaired glucose tolerance (IGT), IFG+IGT, diabetes mellitus (DM).

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Bronchiolitis obliterans (BO) is a rare, chronic form of obstructive lung disease, often initiated with injury of the bronchiolar epithelium followed by an inflammatory response and progressive fibrosis of small airways resulting in nonuniform luminal obliteration or narrowing. The term BO comprises a group of diseases with different underlying etiologies, courses, and characteristics. Among the better recognized inciting stimuli leading to BO are airway pathogens such as adenovirus and mycoplasma, which, in a small percentage of infected children, will result in progressive fixed airflow obstruction, an entity referred to as postinfectious bronchiolitis obliterans (PIBO).

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