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OBJECTIVE: To describe the findings of children with Robin Sequence (RS) who received sensory-motor-oral stimulation combined with early sucking during mandibular distraction osteogenesis (MDO), compared with children who did not receive the intervention. DESIGN: A quasi-experimental study. Setting: A tertiary public hospital. Patients: Children with RS referred to MDO. A historical group from the same population but managed according to the institution's standard protocol (no sucking) served as a control group. Interventions: Sensory-motor-oral stimulation, including sucking, starting 24 h after MDO (intervention group). Main Outcome Measure: Our hypothesis is that sensory-motor-oral stimulation, including sucking during the DOM process, do not negatively affect surgical outcomes. RESULTS: Twenty-nine children were included. Eight (72.7%) of the 11 patients in the intervention group and 13 (72.2%) of the 18 controls had MDO complications, with no significant difference between the groups (p = 1.000). The most common surgical outcome was antibiotic therapy for surgical site infection (76.2%). Six months after MDO, 22 (75.9%) children attained full oral feeding or associated with alternative feeding methods. CONCLUSION: The intervention group did not have higher complication rates, from a surgical point of view, than control group. The protocol adopted by some centers that contraindicates sucking during MDO should be revised to consider the benefits of such stimulation. Keywords: Pierre Robin Syndrome, deglutition, therapeutics, child development.

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OBJECTIVE: To evaluate the combined impact of videofluoroscopic swallow study (VFSS) and therapeutic feeding and swallowing interventions on clinical outcomes in children with oropharyngeal dysphagia (OPD). METHODS: This was an uncontrolled longitudinal analytical study in which OPD patients were evaluated before and after VFSS. Children ≤ 24 months of age diagnosed with OPD in a clinical setting and undergoing VFSS for investigation and management of OPD were included in the study. The study participants received therapeutic feeding and swallowing interventions after having undergone VFSS, being followed at an outpatient clinic for pediatric dysphagia in order to monitor feeding and swallowing difficulties. Respiratory and feeding outcomes were compared before and after VFSS. RESULTS: Penetration/aspiration events were observed in 61% of the VFSSs (n = 72), and therapeutic feeding and swallowing interventions were recommended for 97% of the study participants. After the VFSS, there was a reduction in the odds of receiving antibiotic therapy (OR = 0.007) and in the duration of antibiotic therapy (p = 0.014), as well as in the odds of being admitted to hospital (p = 0.024) and in the length of hospital stay (p = 0.025). A combination of oral and enteral feeding became more common than oral or enteral feeding alone (p = 0.002). CONCLUSIONS: A high proportion of participants exhibited penetration/aspiration on VFSS. Therapeutic feeding and swallowing interventions following a VFSS appear to be associated with reduced respiratory morbidity in this population.

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OBJECTIVES: To make recommendations on the diagnosis and treatment of post-extubation laryngitis (PEL) in children with or without other comorbidities. METHODS: A three-iterative modified Delphi method was applied. Specialists were recruited representing pediatric otolaryngologists, pediatric and neonatal intensivists. Questions and statements approached topics encompassing definition, diagnosis, endoscopic airway evaluation, risk factors, comorbidities, management, and follow-up. A consensus was defined as a supermajority >70%. RESULTS: Stridor was considered the most frequent symptom and airway endoscopy was recommended for definitive diagnosis. Gastroesophageal reflux and previous history of intubation were considered risk factors. Specific length of intubation did not achieve a consensus as a risk factor. Systemic corticosteroids should be part of the medical treatment and dexamethasone was the drug of choice. No consensus was achieved regarding dosage of corticosteroids, although endoscopic findings help defining dosage and length of treatment. Non-invasive ventilation, laryngeal rest, and use of comfort sedation scales were recommended. Indications for microlaryngoscopy and bronchoscopy under anesthesia were symptoms progression or failure to improve after the first 72-h of medical treatment post-extubation, after two failed extubations, and/or suspicion of severe lesions on flexible fiberoptic laryngoscopy. CONCLUSIONS: Management of post-extubation laryngitis is challenging and can be facilitated by a multidisciplinary approach. Airway endoscopy is mandatory and impacts decision-making, although there is no consensus regarding dosage and length of treatment.

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ABSTRACT Objective: To evaluate the combined impact of videofluoroscopic swallow study (VFSS) and therapeutic feeding and swallowing interventions on clinical outcomes in children with oropharyngeal dysphagia (OPD). Methods: This was an uncontrolled longitudinal analytical study in which OPD patients were evaluated before and after VFSS. Children ≤ 24 months of age diagnosed with OPD in a clinical setting and undergoing VFSS for investigation and management of OPD were included in the study. The study participants received therapeutic feeding and swallowing interventions after having undergone VFSS, being followed at an outpatient clinic for pediatric dysphagia in order to monitor feeding and swallowing difficulties. Respiratory and feeding outcomes were compared before and after VFSS. Results: Penetration/aspiration events were observed in 61% of the VFSSs (n = 72), and therapeutic feeding and swallowing interventions were recommended for 97% of the study participants. After the VFSS, there was a reduction in the odds of receiving antibiotic therapy (OR = 0.007) and in the duration of antibiotic therapy (p = 0.014), as well as in the odds of being admitted to hospital (p = 0.024) and in the length of hospital stay (p = 0.025). A combination of oral and enteral feeding became more common than oral or enteral feeding alone (p = 0.002). Conclusions: A high proportion of participants exhibited penetration/aspiration on VFSS. Therapeutic feeding and swallowing interventions following a VFSS appear to be associated with reduced respiratory morbidity in this population.

RESUMO Objetivo: Avaliar o impacto conjunto da videofluoroscopia da deglutição (VFD) e intervenções terapêuticas de alimentação e deglutição nos desfechos clínicos em crianças com disfagia orofaríngea (DOF). Métodos: Trata-se de um estudo analítico longitudinal não controlado em que pacientes com DOF foram avaliados antes e depois da VFD. Foram incluídas no estudo crianças com idade ≤ 24 meses e diagnóstico clínico de DOF, submetidas à VFD para a investigação e manejo da DOF. Os participantes do estudo receberam intervenções terapêuticas de alimentação e deglutição após terem sido submetidos à VFD, sendo então acompanhados em um ambulatório de disfagia pediátrica para o monitoramento das dificuldades de alimentação e deglutição. Os desfechos respiratórios e alimentares foram comparados antes e depois da VFD. Resultados: Eventos de penetração/aspiração foram observados em 61% das VFD (n = 72), e intervenções terapêuticas de alimentação e deglutição foram recomendadas a 97% dos participantes do estudo. Após a VFD, houve uma redução das chances de receber antibioticoterapia (OR = 0,007) e da duração da antibioticoterapia (p = 0,014), bem como das chances de internação hospitalar (p = 0,024) e do tempo de internação (p = 0,025). A alimentação por via oral e enteral em conjunto tornou-se mais comum do que a alimentação exclusivamente por via oral ou enteral (p = 0,002). Conclusões: Houve alta proporção de crianças que apresentaram penetração/aspiração na VFD. As intervenções terapêuticas de alimentação e deglutição após a VFD parecem estar associadas à redução da morbidade respiratória nessa população.

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Abstract Objectives To make recommendations on the diagnosis and treatment of post-extubation laryngitis (PEL) in children with or without other comorbidities. Methods A three-iterative modified Delphi method was applied. Specialists were recruited representing pediatric otolaryngologists, pediatric and neonatal intensivists. Questions and statements approached topics encompassing definition, diagnosis, endoscopic airway evaluation, risk factors, comorbidities, management, and follow-up. A consensus was defined as a supermajority >70%. Results Stridor was considered the most frequent symptom and airway endoscopy was recommended for definitive diagnosis. Gastroesophageal reflux and previous history of intubation were considered risk factors. Specific length of intubation did not achieve a consensus as a risk factor. Systemic corticosteroids should be part of the medical treatment and dexamethasone was the drug of choice. No consensus was achieved regarding dosage of corticosteroids, although endoscopic findings help defining dosage and length of treatment. Non-invasive ventilation, laryngeal rest, and use of comfort sedation scales were recommended. Indications for microlaryngoscopy and bronchoscopy under anesthesia were symptoms progression or failure to improve after the first 72-h of medical treatment post-extubation, after two failed extubations, and/or suspicion of severe lesions on flexible fiberoptic laryngoscopy. Conclusions Management of post-extubation laryngitis is challenging and can be facilitated by a multidisciplinary approach. Airway endoscopy is mandatory and impacts decision-making, although there is no consensus regarding dosage and length of treatment.

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INTRODUCTION: The aim of the study is to evaluate major causes of upper airway obstruction in newborns receiving healthcare at our institution, their method of endoscopic assessment and the rate of complications related to these procedures. MATERIALS AND METHODS: This is a case series study of patients from institutional neonatal intensive care unit (NICU) presenting signs of ventilatory dysfunction for whom an endoscopic airway assessment was warranted. Information of interest was collected from medical records according to a Clinical and Endoscopic Assessment Protocol created for the study. The protocol included clinical manifestations needing ENT evaluation, clinical signs of ventilatory dysfunction, comorbidities (pulmonary, cardiac, neurological, and gastrointestinal), examination method (airway endoscopy under general anesthesia or awake), exam complications, and final diagnosis. RESULTS: One hundred sixty-nine newborn patients who underwent airway endoscopy (awake bedside flexible fiberoptic laryngoscopy (FFL) or direct laryngoscopy and bronchoscopy (DLB) in the surgical ward) were included. Thirty-nine patients (23.07%) underwent bedside FFL. For the remaining 130 who underwent DLB under general anesthesia, the median procedure time was 30 min (20-44). Only 9 (5.32%) patients presented complications: desaturation (4), laryngospasm without desaturation with spontaneous resolution (2), apnea with resolution after stimulation (1), seizures (1), nasal bleeding (1). The most frequent diagnoses found were glossoptosis, posterior laryngeal edema, and laryngomalacia. CONCLUSION: This retrospective case series describes the prevalence of different pathologies that cause upper airway obstruction in neonates. Airway endoscopy seems an effective and safe diagnostic tool in neonatal airway obstruction. Glossoptosis was the most prevalent cause of obstruction in our center.

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Abstract Objectives: To evaluate the bacterial microbiome found in tracheostomy cannulas of a group of children diagnosed with glossoptosis secondary to Robin Sequence (RS), and its clinical implications. Methods: Pediatric patients were enrolled in the study at the time of the cannula change in the hospital. During this procedure, the removed cannula was collected and stored for amplicon sequencing of 16s rRNA. DNA extraction was performed using DNeasy PowerBiofilm Kit (QIAGEN® - Cat nº 24000-50) while sequencing was performed with the S5 (Ion S5™ System, Thermo Fisher Scientific), following Brazilian Microbiome Project (BMP) protocol. Results: All 12 patients included in the study were using tracheostomy uncuffed cannulas of the same brand, had tracheostomy performed for over 1-year and had used the removed cannula for approximately 3-months. Most abundant genera found were Aggregatibacter, Pseudomonas, Haemophilus, Neisseria, Staphylococcus, Fusobacterium, Moraxella, Streptococcus, Alloiococcus, and Capnocytophaga. Individual microbiome of each individual was highly variable, not correlating to any particular clinical characteristic. Conclusion: The microbiome of tracheostomy cannulas is highly variable, even among patients with similar clinical characteristics, making it challenging to determine a standard for normality. © 2022 Associa¸c˜ao Brasileira de Otorrinolaringologia e Cirurgia C´ervico-Facial. Published by Elsevier Editora Ltda. This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/).

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Dysphagia in Robin Sequence can be present in varying degrees, requiring multidisciplinary management and specific swallowing assessment by a specialist. Most studies published to date have evaluated only respiratory outcomes, and the available evidence on the improvement of swallowing is questionable. To conduct a systematic review and meta-analysis of studies evaluating swallowing in children with Robin Sequence before and after airway clearance procedures. The research question was developed based on the PICO strategy. The literature search was performed in electronic databases and gray literature. Studies were selected by 3 independent reviewers. The risk of bias and level of evidence of the studies were assessed. A proportion meta-analysis was performed to calculate the prevalence of dysphagia after airway clearance procedures. The search identified 4938 studies, 5 of which were included. All studies had limitations in terms of design and sample size. The prevalence of dysphagia after airway clearance was obtained by analyzing treatment subgroups: mandibular distraction osteogenesis, mandibular distraction osteogenesis + tracheostomy tube, and nasopharyngeal tube. Clinical and/or instrumental assessment was assessed by a swallowing specialist. The meta-analysis was precluded by the limitations of the studies, especially regarding sample size, which affected the accuracy of the findings. Dysphagia remained unresolved in 55% of children (95% CI 1-99%). The methodological quality of the studies indicated a high risk of bias and very low level of evidence. It was not possible to confirm that airway clearance techniques used in Robin Sequence improve dysphagia.

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OBJECTIVES: To evaluate the bacterial microbiome found in tracheostomy cannulas of a group of children diagnosed with glossoptosis secondary to Robin Sequence (RS), and its clinical implications. METHODS: Pediatric patients were enrolled in the study at the time of the cannula change in the hospital. During this procedure, the removed cannula was collected and stored for amplicon sequencing of 16s rRNA. DNA extraction was performed using DNeasy PowerBiofilm Kit (QIAGEN® ‒ Cat nº 24000-50) while sequencing was performed with the S5 (Ion S5™ System, Thermo Fisher Scientific), following Brazilian Microbiome Project (BMP) protocol. RESULTS: All 12 patients included in the study were using tracheostomy uncuffed cannulas of the same brand, had tracheostomy performed for over 1-year and had used the removed cannula for approximately 3-months. Most abundant genera found were Aggregatibacter, Pseudomonas, Haemophilus, Neisseria, Staphylococcus, Fusobacterium, Moraxella, Streptococcus, Alloiococcus, and Capnocytophaga. Individual microbiome of each individual was highly variable, not correlating to any particular clinical characteristic. CONCLUSION: The microbiome of tracheostomy cannulas is highly variable, even among patients with similar clinical characteristics, making it challenging to determine a standard for normality.

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Abstract Introduction Inadequate drooling can cause serious clinical, functional and social problems. Validated questionnaires to evaluate drooling impact on quality of life are lacking in Brazilian Portuguese. Objectives To translate and validate the drooling impact scale to Brazilian Portuguese. Methods The drooling impact scale was translated to Brazilian Portuguese and back- translated to English to assess potential conceptual differences. Brazilian Portuguese version of drooling impact scale was applied to a 40 patients' sample of sialorrhea presenting pediatric patients (up to 20 years of age). Chronbach's alpha, exploratory factorial analysis and confirmatory factorial analysis were then proceeded with data collected. Results The mean drooling impact scale value for the whole population was 51.77 (SD = 16.13). The internal consistency obtained with Cronbach's alpha indicated a value of 0.72 for the entire sample. The Bartlett's test of sphericity was significant (p< 0.0001), confirming correlation among variables tested. Kaiser-Meyer-Olkin measure of sampling adequacy revealed a value of 0.72, indicating that the correlation matrix was reasonably suitable for factor analysis. Regarding exploratory factorial analysis, parallel analysis suggested a two-factor solution that was used for confirmatory factorial analysis. The first factor was responsible for 33.78% of the variance with an Eigenvalue of 3.38. The second factor explained 16.1% of the variance with an Eigenvalue of 1.61. At confirmatory factorial analysis, the two-factor model showed consistently better adjustments parameters than the one-factor model. Conclusion The drooling impact scale has been successfully translated to Brazilian Portuguese language, showing adequate internal validity. Validation of this instrument allows physicians and other personnel involved in the care of these patients to perform a better management of patients experiencing drooling. With this tool, we are now able to guide routines and provide guidelines both before and after the different kinds of treatments in order to improve the general well-being of the patient and his family.

Resumo Introdução A produção inadequada de saliva pode causar sérios problemas clínicos, funcionais e sociais. Questionários validados para avaliar o impacto da salivação na qualidade de vida em português do Brasil são necessários. Objetivos Traduzir e validar a Drooling Impact Scale para o português do Brasil. Método A Drooling Impact Scale foi traduzida para português do Brasil e retrotraduzida para o inglês para avaliar possíveis diferenças conceituais. A versão em português do Brasil da Drooling Impact Scale foi aplicada a uma amostra de 40 pacientes pediátricos que apresentavam sialorreia (até 20 anos). Alfa de Cronbach, análise fatorial exploratória e análise fatorial confirmatória foram então feitos com os dados coletados. Resultados O valor médio da Drooling Impact Scale para toda a população foi de 51,77 (DP = 16,13). A consistência interna obtida com o alfa de Cronbach indicou um valor de 0,72 para toda a amostra. O teste de esfericidade de Bartlett foi significante (p < 0,0001), confirmou a correlação entre as variáveis testadas. A medida de adequação da amostra de Kaiser-Meyer-Olkin revelou um valor de 0,72, indicou que a matriz de correlação era razoavelmente adequada para a análise fatorial. Em relação à análise fatorial exploratória, a análise paralela sugeriu uma solução de dois fatores, que foi usada para a análise fatorial confirmatória. O primeiro fator foi responsável por 33,78% da variância com um autovalor de 3,38. O segundo fator explicou 16,1% da variância com um autovalor de 1,61. Na análise fatorial confirmatória, o modelo de dois fatores mostrou parâmetros de ajustes consistentemente melhores do que o modelo de um fator. Conclusão A Drooling Impact Scale foi traduzida com sucesso para o português do Brasil, apresentou validade interna adequada. A validação desse instrumento permite que médicos e outras pessoas envolvidas no cuidado desses pacientes façam um melhor manejo dos pacientes com sialorreia. Com essa ferramenta, agora somos capazes de orientar rotinas e fornecer orientações antes e depois dos diferentes tipos de tratamentos, a fim de melhorar o bem-estar geral do paciente e de sua família.