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Objective: Fluctuating sensorineural hearing loss (SNHL) has multiple etiologies, most commonly Ménière's disease (MD), recurrent sudden SNHL, and autoimmune inner ear disorders. Fluctuating SNHL has rarely been described as a symptom of spontaneous intracranial hypotension (SIH)., Patient: A 39-year-old previously healthy female presented with "Ménière's like" symptoms responsive to steroid treatment, which worsened during the day and improved in the supine position. Conservative treatment for MD consisting of low salt and caffeine diet and betahistine medication yielded no improvement. Secondary revision of brain imaging scans showed signs indicative of SIH, and a spinal cerebrospinal fluid leak was ultimately found and treated by a novel technique of transvenous fistula embolization by means of Onyx® glue, leading to gradual clinical improvement and near-complete resolution of symptoms., Conclusion: SIH should be considered as part of the differential diagnosis of fluctuating SNHL. Clinical and radiological features should be known and sought. We suspect that early diagnosis and treatment can lead to cure and prevent permanent auditory damage., Competing Interests: Declaration of conflicting interestsThis is the corresponding author's own case report.

Background: High-flow nasal cannula (HFNC) therapy may be better tolerated than traditional noninvasive ventilation (NIV) and is rapidly gaining acceptance in pediatric acute care. In Israel, HFNC is approved for domestic use. We aim to describe its indications, efficacy, parental satisfaction, and safety., Methods: Retrospective study of children treated with home HFNC therapy in three pediatric centers. Data included demographic parameters, indication of use, weight and days of hospitalization before and after initiation. Safety, tolerability, and parental satisfaction were assessed via standardized telephone questionnaire., Results: Median (interquartile range [IQR]) age of initiating home HFNC in 75 children was 8.3 (2.2, 29.6) months. Indications were obstructive sleep apnea (33; 44%), airway malacia (19; 25%), chronic lung disease (15; 20%), neuromuscular disease (4; 5%), and postextubation support (4; 5%). Weight standard deviation score rose from -2.3 pre-HFNC to -1.7 at 6.7 months post-HFNC initiation, p < 0.001. Hospital admission days during the 2 months pre- versus post-HFNC initiation were 22 (5.5, 60) and 5 (0, 14.7) respectively, p < 0.008. Median (IQR) parental satisfaction score was 5/5 (4, 5). Fifty of 60 (83%) respondents would recommend home HFNC to other families in a similar situation. There were no serious adverse events., Conclusion: In our population, domestic HFNC appeared safe and well tolerated for a variety of indications. Its introduction was associated with improved weight gain, fewer hospitalization days and high parental satisfaction. Further work is required to characterize groups of children most likely to benefit from HFNC, as opposed to traditional modes of NIV., (© 2022 The Authors. Pediatric Pulmonology published by Wiley Periodicals LLC.)

Lockdown policies have been implemented worldwide to limit the spread of COVID-19. “Lockdown fatigue” is a state of exhaustion related to the accumulating effects of repeated lockdowns. The aim of the current study was to examine the effects of repeated lockdowns on children with respiratory disorders. Data on children aged 0−18 years old with respiratory disorders were collected by an electronic survey during the third lockdown in Israel. The retrieved information included demographics and baseline medical status, respiratory clinical status during the third lockdown compared to pre-lockdown periods, lockdown adherence, lifestyle modifications and caregiver emotional status. The results were compared to those of a similar questionnaire distributed during the first lockdown. A total of 234 patients (62% males, 37% females, mean age 6.8 years (confidence interval 6.1−7.5)) were enrolled. Respiratory symptoms and exacerbation frequency were reduced in 76 (35.5%) and 58 (27.4%) patients, respectively, compared to the pre-lockdown period and similar to the first lockdown (p = 0.840 and p = 0.063, respectively). However, compared to the first lockdown, the third lockdown was associated with greater use of reliever medications (p = 0.006), less use of inhaled corticosteroids as routine treatment (p = 0.027), and more pediatric emergency room visits and hospitalizations (p = 0.001 and p < 0.001, respectively). The results also showed an increase in sedentary lifestyle (e.g., reduced physical activity (p = 0.025), less healthy eating habits (p = 0.001)) and reduced adherence to lockdown policies (p < 0.001). These data show that the continuing stability of clinical improvement during lockdown was accompanied by deleterious sequelae that potentially indicate “lockdown fatigue” among children with respiratory disorders.

Background: Admission to a pediatric intensive care unit (PICU) has been associated with respiratory consequences in children with asthma and carries major implications for management control. Whereas respiratory syncytial virus (RSV) bronchiolitis has been associated with increasing intensity of wheezing, the relationship between RSV-bronchiolitis PICU admission and future asthma is unclear. This retrospective case-control study evaluated whether hospitalization in the PICU due to RSV bronchiolitis is more likely to be associated with future asthma in early life compared with hospitalization in a general pediatric ward., Methods: Children hospitalized due to RSV bronchiolitis between 2007 and 2019 in the PICU (study group) were compared to those hospitalized in a general pediatric ward (controls). Asthma prevalence was assessed by a follow-up questionnaire based on The International Study of Asthma and Allergies in Childhood questionnaire., Results: Sixty-three PICU patients and 66 controls were included. The PICU patients presented with more severe disease during RSV hospitalization. At follow-up, significantly more PICU patients aged 3-6 years had physician-diagnosed asthma, respiratory symptoms during the previous 12 months, and underwent respiratory treatment since hospital discharge compared to controls (14 [60.9%] vs. 4 [18.2%] patients; 15 [65.2%] vs. 6 [27.3%]; and 16 [69.6%] vs. 8 [36.4%]; respectively). These differences were no longer observed after 6 years of age., Conclusions: Children admitted to the PICU for RSV bronchiolitis are at higher risk for asthma in subsequent pre-school years and will require close respiratory follow-up than those admitted to general pediatric wards. Admission venue should be queried when asthma is suspected., (© 2022 The Authors. Pediatric Pulmonology published by Wiley Periodicals LLC.)

An 8-year-old boy recently sustained a cerebellar arteriovenous malformation rupture, and subsequently suffered from severe neurological injury and became ventilator-dependent through a tracheostomy. During a routine clinic visit, the parents reported that a loose baby tooth had fallen out and disappeared 7 days earlier. The physical examination was unremarkable, but a chest X-ray demonstrated a foreign body in the left lung and secondary atelectasis. A rigid bronchoscopy extracted what turned out to be a tooth from the left lower lobe bronchus, with no associated sequelae. Aspiration of a tooth is rare, and it is mostly seen in children and elderly patients following trauma, endotracheal intubation, and dental procedures. Only a few previous studies emphasized the increased risk of foreign body aspiration among neurological impaired children. This unique report describes a child in his physiological exfoliation period, which is characterized by the spontaneous shedding of 20 teeth over the course of several years. In severely neurologically impaired children, this period carries a risk of aspiration of teeth and secondary pulmonary damage. Therefore, treating physicians and caregivers must be aware of this risk, and routine dental check-ups are advised in a neurological impaired child during this period., (© 2022 Wiley Periodicals LLC.)

Objectives: To investigate whether the three nationwide coronavirus disease 2019 (COVID-19) lockdowns imposed in Israel during the full first pandemic year altered the traditional seasonality of pediatric respiratory healthcare utilization., Methods: Month by month pediatric emergency department (ED) visits and hospitalizations for respiratory diagnoses during the first full COVID-19 year were compared to those recorded for the six consecutive years preceding the pandemic. Data were collected from the patients' electronic files by utilizing a data extraction platform (MDClone © )., Results: A significant decline of 40% in respiratory ED visits and 54%-73% in respiratory hospitalizations during the first COVID-19 year compared with the pre-COVID-19 years were observed (p < 0.001 and p < 0.001, respectively). The rate of respiratory ED visits out of the total monthly visits, mostly for asthma, peaked during June 2020, compared with proceeding years (109 [5.9%] versus 88 [3.9%] visits; p < 0.001). This peak occurred 2 weeks after the lifting of the first lockdown, resembling the "back-to-school asthma" phenomenon of September., Conclusions: This study demonstrates important changes in the seasonality of pediatric respiratory illnesses during the first COVID-19 year, including a new "back-from-lockdown" asthma peak. These dramatic changes along with the recent resurgence of respiratory diseases may indicate the beginnings of altered seasonality in pediatric pulmonary pathologies as collateral damage of the pandemic., (© 2022 The Authors. Pediatric Pulmonology published by Wiley Periodicals LLC.)

Background: Emergence of new treatments for spinal muscular atrophy type 1 (SMA1) has led to dramatic improvements in respiratory failure and survival. However, these "treated" patients sustain major problems in other organ systems, which may directly or indirectly affect their respiratory function. We observed three main nonrespiratory manifestations in these patients comprised of facial deformities, feeding problems, and spinal deformities., Objective: To investigate these three main sequelae in nusinersen-treated SMA1 patients., Methods: Data on nusinersen-treated SMA1 patients were prospectively collected throughout a 3-year period, with special focus upon nonrespiratory features of the disease., Results: Twenty nusinersen-treated SMA1 patients were included (eight males, median age 13.5 months, interquartile range: 4-56.2 months), among whom 17 survived after 3 years of follow-up. At follow-up, 15 (88%) patients were diagnosed with facial weakness, hypoplasia, or deformity. All but one patient (94%) were fed invasively by percutaneous endoscopic gastrostomy or nasogastric tube feeding. Four patients (25%) had maintained oral feeding in parallel to gastrostomy feeding and had clinical and radiologic evidence of aspirations. Fifteen (88%) patients were diagnosed with scoliosis, of whom seven had undergone or were scheduled to undergo corrective surgery., Conclusions: Nusinersen-treated SMA1 patients may sustain facial deformities, feeding problems, and severe scoliosis, all of which affect their respiratory system. Strict surveillance of these complications is essential to avoid further respiratory morbidity., (© 2021 Wiley Periodicals LLC.)

Background: Bronchiolitis is a prominent illness in children with a high burden in the developing world. Our objective was to assess bronchiolitis severity among infants and toddlers of refugees and asylum seekers who fled from developing countries with high disease burden to a developed country., Study Design: A retrospective cohort comparative-group study of children 0-24 months of age who were admitted with a diagnosis of respiratory syncytial virus (RSV) bronchiolitis to a tertiary university-affiliated medical center during 2009-2017. The refugees and asylum seekers (study group) were mostly from war-torn African countries, and the control group was comprised of children from Israel (controls), a developed country. The primary outcome was length of stay (LOS), and the secondary outcomes were nutritional support and disease characteristics., Results: A total of 185 patients were included (92 refugees and 93 controls). The mean LOS was higher for the former compared to the latter (4.7 ± 3.2 vs. 3.5 ± 2 days, respectively, p = .004). More hospitalized refugees required nutritional support compared to controls (48% vs. 24%, respectively, p = .002). No differences were found in vital signs, physical findings and symptoms, laboratory results, or complications., Conclusions: Refugees and asylum seekers from developing countries presented with a longer RSV bronchiolitis disease course and required more nutritional support compared to their Israeli counterparts. This may suggest a more severe disease., (© 2021 Wiley Periodicals LLC.)

Background: Fractional exhaled nitric oxide (FeNO) is a biomarker for eosinophilic inflammation used for diagnosis and monitoring of asthma. High FeNO indicates significant airway eosinophilia and steroid-responsive airway inflammation. Some children with asthma have extremely high FeNO levels, but whether these levels represent a different asthma phenotype compared with those with mildly elevated FeNO is unclear. The objective of this study is to investigate whether the extent of high FeNO levels correlates with clinical phenotype, asthma control, comorbidity, and pulmonary function test (PFT) findings in children with asthma., Methods: Anthropometric data, daytime and nighttime symptoms, controller treatment, comorbidity, and PFT findings were retrieved from the Pediatric Pulmonology Unit database (2014-2020) and correlated with FeNO levels in pediatric asthma patients with high FeNO levels., Results: Two-hundred children and adolescents with high FeNO levels (range 36-227 ppb) were included. Within this range, higher FeNO levels positively correlated with increased daytime and nighttime symptoms (p = .013 and p = .01, respectively) and poorly controlled asthma (p = .034). A FeNO level of ≥80 ppb was the cutoff for significantly more severe daytime and nighttime symptoms and very poorly controlled asthma compared with levels <80 ppb (p = .004, p = .005, and p = .036, respectively). No correlation was found between FeNO and controller treatment, comorbidity, and PFT performance., Conclusion: In pediatric asthma patients, high FeNO levels correlate with increased symptom severity and poor asthma control. A FeNO level of ≥80 ppb may serve as an objective indicator for severe asthma., (© 2021 Wiley Periodicals LLC.)

Objective: A national lockdown was implemented in Israel to slow the viral spread of COVID-19. We assessed the real-time effects of the lockdown on disease expression and lifestyle modifications in pediatric patients with chronic respiratory disorders., Methods: An anonymous electronic questionnaire was distributed during lockdown (March-May 2020) to caregivers of patients with chronic respiratory disorders. The primary outcome was change in disease expression and the secondary outcomes were changes in lifestyle and caregivers' emotional status., Results: The clinical status of one-third of the 445 participating patients (age 0-18 years) reportedly improved, including decreased respiratory symptoms (n = 133, 33%), exacerbation frequency (n = 147, 35%), and use of reliever medications (n = 101, 27.4%). The condition of ~10% of the patients worsened. Clinical improvement was noted mostly in young patients <5 years (p = .001), asthmatic patients (p = .033), and patients with multiple underlying respiratory disorders (p = .015). Patients whose condition significantly worsened were more likely to be >5 years (p < .001), had increased screen time, decreased physical activity, and shorter sleep duration compared to their younger counterparts (p = .008, <.001, and .001, respectively). Caregivers' reports (n = 236 [58%]) of their own anxiety levels and perceptions of the patients' elevated health risk were increased, regardless of the children's actual clinical status., Conclusion: COVID-19 lockdown was associated with clinical improvement/stability for most of the surveyed children; however, their caregivers' anxiety level was heightened. An increased sedentary lifestyle was reported mostly in older children., (© 2021 Wiley Periodicals LLC.)

Background: The emergence of new treatments for spinal muscular atrophy (SMA) is revolutionary, especially for SMA type 1 (SMA1). Data on respiratory outcomes remain sparse and rely mostly on randomized clinical trials. We report our experience of Nusinersen-treated SMA1 patients in real-world settings., Methods: Data from SMA1 patients treated with Nusinersen were prospectively collected between 1/2017 and 1/2020. Respiratory variables included the use of assisted ventilation, the use of mechanical insufflation-exsufflation (MIE), respiratory complications, and death or treatment cessation due to respiratory reasons., Results: Twenty SMA1 patients were assessed before and after 2 years of Nusinersen treatment which was initiated at a median age of 13.5 months (range, 1-184). At baseline, 16 patients were using assisted ventilation, eight noninvasive and eight invasive. Twelve patients were using permanent ventilation and four partial ventilation. After 2 years of treatment, there was no change in respiratory support among ventilated patients. All four patients who were free from respiratory support at baseline required the initiation of assisted ventilation during the study period. All 20 patients used MIE after 2 years of treatment. Two patients died from acute respiratory failure and one sustained severe brain injury. Four patients had chronic and/or recurrent atelectasis., Conclusion: Most of our patients were stable in their need for assisted ventilation and did not worsen as expected in SMA1, nor did they improve as might be hoped. Future studies are needed to determine if earlier treatment with Nusinersen might result in respiratory outcomes superior to those reported in this real-life study., (© 2020 Wiley Periodicals LLC.)