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1.
Children (Basel) ; 10(12)2023 Nov 24.
Artigo em Inglês | MEDLINE | ID: mdl-38136047

RESUMO

The COVID-19 pandemic has had direct and indirect effects on daily life. In hospitals, the impact of the pandemic was observed in the diagnostic and therapeutic workflow. In this work, we explored potential changes in activities related to the treatment of foreign body injuries (FBIs) in children and the behavioral habits of physicians during the first wave of the pandemic. An online survey was conducted among physicians of the Susy Safe network. The survey comprised items related to respondent information, reference center characteristics, the treatment of FBIs during the COVID-19 pandemic, and a modified COVID-19 Anxiety Scale (CAS). The survey was distributed among the Susy Safe project international network surveillance registry for FBIs. A total of 58 physicians responded to the survey, including 18 (32%) from Europe and 16 (28%) from South America. The respondents indicated that the estimated number of aspirated foreign bodies during the pandemic was lower than or the same as that before the pandemic (43, 74%), and the same was observed for ingested foreign bodies (43, 74%). In univariable logistic regression, no single predictor was associated with a delay in routine care for children or an increasing tendency of medical personnel to avoid procedures. The workflow of physicians involved in the management of FBIs in children has not changed drastically during the COVID-19 pandemic, especially in emergency departments.

2.
Front Pediatr ; 11: 1178280, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37780041

RESUMO

Introduction: Pathogenic variants of the junctional adhesion molecule 3 (JAM3/JAM-C; OMIM#606871) is the cause of the rare recessive disorder called hemorrhagic destruction of the brain, subependymal calcification, and cataracts (HDBSCC, OMIM#613730) disease. A similar phenotype is universal, including congenital cataracts and brain hemorrhages with high mortality rate in the first few weeks of life and with a poor neurologic outcome in survivors. We aim to describe and enlighten novel phenotype and genotype of a new patient and review the literature regarding all reported patients worldwide. Case report: We report the case of a prenatal and postnatal phenotype of a new patient with a novel pathogenic loss-of-function variant in JAM3, who presented prenatally with cataracts and brain anomalies and postnatally with brain hemorrhages, failure to thrive (FTT), progressive microcephaly, recurrent posterior capsule opacities, and auditory neuropathy. Discussion: This study enlightens novel possible functions of JAM3 in the normal development of the brain, the ocular lenses, the auditory system, and possibly the gastrointestinal tract. This study is the first to report of cataracts evident in as early as 23 weeks of gestation and a rare phenomenon of recurrent posterior capsule opacities despite performing recurrent posterior capsulectomy and anterior vitrectomy. We suggest that auditory neuropathy, which is reported here for the first time, is part of the phenotype of HDBSCC, probably due to an endothelial microvasculature disruption of the peripheral eighth nerve or possibly due to impaired nerve conduction from the synapse to the brainstem. Conclusions: Prenatal cataracts, brain anomalies, FTT, and auditory neuropathy are part of the phenotype of the HDBSCC disease. We suggest including JAM3 in the gene list known to cause congenital cataracts, brain hemorrhages, and hearing loss. Further studies should address the auditory neuropathy and FTT phenomena in knockout mice models. We further suggest performing comprehensive ophthalmic, audiologic, and gastroenterologic evaluations for living patients worldwide to further confirm these novel phenomena in this rare entity.

3.
Disaster Med Public Health Prep ; 17: e498, 2023 10 02.
Artigo em Inglês | MEDLINE | ID: mdl-37781787

RESUMO

With the collapse of the medical system in Syria, Israel began providing Syrians with humanitarian aid, first to the war-injured and then general medical treatment. We developed a novel specialist ambulatory care concept to provide medical care for Syrian children. Children with their caregivers were transported by bus across the border from Syria to our medical center in Israel for day-stay outpatient-clinic advanced evaluation and treatment due to coordination between Syrian, Red Cross, and Israeli authorities, including Israeli Defense Forces. This retrospective field report includes 371 Syrian children treated as outpatients at Galilee Medical Center between January 2016 and September 2018. In our experience, this novel pediatric ambulatory care concept has been feasible, efficient, and successful in providing specialist care for children in a crisis region devoid of access to health care. We believe it can also serve adult patients and be implemented in other crises and disasters scenarios.


Assuntos
Desastres , Pacientes Ambulatoriais , Adulto , Criança , Humanos , Estudos Retrospectivos , Assistência Ambulatorial , Instituições de Assistência Ambulatorial
5.
Bioeng Transl Med ; 7(2): e10271, 2022 May.
Artigo em Inglês | MEDLINE | ID: mdl-35600654

RESUMO

Mortality rates among patients suffering from acute respiratory failure remain perplexingly high despite the maintenance of blood oxygen homeostasis during ventilatory support. The biotrauma hypothesis advocates that mechanical forces from invasive ventilation trigger immunological mediators that spread systemically. Yet, how these forces elicit an immune response remains unclear. Here, a biomimetic in vitro three-dimensional (3D) upper airways model allows to recapitulate lung injury and immune responses induced during invasive mechanical ventilation in neonates. Under such ventilatory support, flow-induced stresses injure the bronchial epithelium of the intubated airways model and directly modulate epithelial cell inflammatory cytokine secretion associated with pulmonary injury. Fluorescence microscopy and biochemical analyses reveal site-specific susceptibility to epithelial erosion in airways from jet-flow impaction and are linked to increases in cell apoptosis and modulated secretions of cytokines IL-6, -8, and -10. In an effort to mitigate the onset of biotrauma, prophylactic pharmacological treatment with Montelukast, a leukotriene receptor antagonist, reduces apoptosis and pro-inflammatory signaling during invasive ventilation of the in vitro model. This 3D airway platform points to a previously overlooked origin of lung injury and showcases translational opportunities in preclinical pulmonary research toward protective therapies and improved protocols for patient care.

6.
PLoS One ; 17(2): e0263069, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35113901

RESUMO

OBJECTIVE: Studies have demonstrated a potential correlation between low vitamin D status and both an increased risk of infection with SARS-CoV-2 and poorer clinical outcomes. This retrospective study examines if, and to what degree, a relationship exists between pre-infection serum 25-hydroxyvitamin D (25(OH)D) level and disease severity and mortality due to SARS-CoV-2. PARTICIPANTS: The records of individuals admitted between April 7th, 2020 and February 4th, 2021 to the Galilee Medical Center (GMC) in Nahariya, Israel, with positive polymerase chain reaction (PCR) tests for SARS-CoV-2 (COVID-19) were searched for historical 25(OH)D levels measured 14 to 730 days prior to the positive PCR test. DESIGN: Patients admitted to GMC with COVID-19 were categorized according to disease severity and level of 25(OH)D. An association between pre-infection 25(OH)D levels, divided between four categories (deficient, insufficient, adequate, and high-normal), and COVID-19 severity was ascertained utilizing a multivariable regression analysis. To isolate the possible influence of the sinusoidal pattern of seasonal 25(OH)D changes throughout the year, a cosinor model was used. RESULTS: Of 1176 patients admitted, 253 had records of a 25(OH)D level prior to COVID-19 infection. A lower vitamin D status was more common in patients with the severe or critical disease (<20 ng/mL [87.4%]) than in individuals with mild or moderate disease (<20 ng/mL [34.3%] p < 0.001). Patients with vitamin D deficiency (<20 ng/mL) were 14 times more likely to have severe or critical disease than patients with 25(OH)D ≥40 ng/mL (odds ratio [OR], 14; 95% confidence interval [CI], 4 to 51; p < 0.001). CONCLUSIONS: Among hospitalized COVID-19 patients, pre-infection deficiency of vitamin D was associated with increased disease severity and mortality.


Assuntos
COVID-19/sangue , COVID-19/epidemiologia , SARS-CoV-2/genética , Índice de Gravidade de Doença , Deficiência de Vitamina D/sangue , Deficiência de Vitamina D/epidemiologia , Vitamina D/análogos & derivados , Adulto , Idoso , Idoso de 80 Anos ou mais , COVID-19/mortalidade , COVID-19/virologia , Comorbidade , Feminino , Humanos , Israel/epidemiologia , Masculino , Pessoa de Meia-Idade , Admissão do Paciente , Prognóstico , Estudos Retrospectivos , Fatores de Risco , Vitamina D/sangue
7.
Otolaryngol Head Neck Surg ; 167(4): 753-759, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-34874788

RESUMO

OBJECTIVE: Parents of children with any chronic illness may experience increased anxiety and reduced health-related quality of life (QoL). Our objective was to evaluate the change in parental QoL before vs after tonsillectomy. Our hypothesis was that pediatric tonsil surgery with or without adenoidectomy would improve parental QoL. STUDY DESIGN: A prospective cohort study. SETTING: An otolaryngology department in a tertiary academic center. METHODS: We enrolled parents of 79 children <5 years old. Adenotonsillectomy due to an obstructive airway indication was performed in 45 children. A group of 34 parents to healthy children served as a control group. Initially, we validated a modified version of the PAR-ENT-QoL questionnaire; then, we analyzed QoL parameters among parents of children with obstructive sleep-disordered breathing before and after surgical treatment. RESULTS: We found significant differences between the QoL score before and after surgery (P = .003). The QoL score after surgery significantly improved and was even lower than that of the control group (P < .001). CONCLUSIONS: These results highlight the importance of timely diagnosis and treatment of children with obstructive sleep-disordered breathing, as this condition may affect not only the children themselves but also their caregivers.


Assuntos
Apneia Obstrutiva do Sono , Tonsilectomia , Adenoidectomia/métodos , Criança , Pré-Escolar , Humanos , Pais , Estudos Prospectivos , Qualidade de Vida , Apneia Obstrutiva do Sono/cirurgia , Inquéritos e Questionários , Tonsilectomia/métodos
8.
Otolaryngol Head Neck Surg ; 167(3): 576-582, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-34813387

RESUMO

OBJECTIVE: Posttonsillectomy bleeding is a dreadful complication that may be life-threatening. Preoperative coagulation tests have not been shown to be effective in predicting this complication. The Pediatric Bleeding Questionnaire (PBQ) is a validated and sensitive tool in diagnosing children with abnormal hemostatic functions, and the objective of our study was to assess its utility as a preoperative screening tool for predicting posttonsillectomy bleeding. STUDY DESIGN: Prospective single-blinded cohort study. SETTING: Tertiary care hospital system. METHODS: All children scheduled for tonsil surgery between 2017 and 2019 in the Galilee Medical Center were included. The PBQ was completed by the caregivers prior to surgery, and all children underwent coagulation tests. Each PBQ item is scored on a scale of -1 to 4, and the total score per candidate is based on summation of all items. RESULTS: An overall 272 patients were included in the study with a mean age of 5.2 years; 57.7% were boys. The main finding was that in a multivariable model adjusted to age, a PBQ score of 2 is correlated with increased postoperative bleeding risk (odds ratio, 10.018 [95% CI, 1.20-82.74]; P = .046). The results of the PBQ demonstrated better predictive ability when compared with abnormal coagulation test results (odds ratio, 1.76 [95% CI, 0.63-4.80]; P = .279). Sex was not found to be significant (odds ratio, 1.45 [95% CI, 0.70-3.18]; P = .343). CONCLUSIONS: This study demonstrated that a PBQ score ≥2 has a higher yield for detecting children at risk for posttonsil surgery bleeding as compared with coagulation studies.


Assuntos
Hemorragia Pós-Operatória , Tonsilectomia , Perda Sanguínea Cirúrgica , Criança , Pré-Escolar , Estudos de Coortes , Feminino , Humanos , Masculino , Hemorragia Pós-Operatória/diagnóstico , Hemorragia Pós-Operatória/epidemiologia , Hemorragia Pós-Operatória/etiologia , Estudos Prospectivos , Inquéritos e Questionários , Tonsilectomia/efeitos adversos
9.
Otol Neurotol ; 42(5): 666-670, 2021 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-33967243

RESUMO

OBJECTIVE: While COVID-19 symptoms impact rhinology (anosmia) and laryngology (airways), two major disciplines of the otolaryngology armamentarium, the virus has seemed to spare the auditory system. A recent study, however, reported changes in otoacoustic emission (OAE) signals measured in SARS-COV-2 positive patients. We sought to assess the effect of COVID-19 infection on auditory performance in a cohort of recovered SARS-COV-2 patients and controls. To avoid a potential bias of previous audiological dysfunction not related to SARS-COV-2 infection, the study encompasses patients with normal auditory history. We hypothesized that if SARS-COV-2 infection predisposes to hearing loss, we would observe subtle and early audiometric deficits in our cohort in the form of subclinical auditory changes. STUDY DESIGN: Cross-sectional study. SETTING: Tertiary referral center. PATIENTS: The Institutional Review Board approved the study and we recruited participants who had been positive for SARS-COV-2 infection, according to an Reverse Transcription Polymerase Chain Reaction (RT-PCR) test on two nasopharyngeal swabs. The patients included in this study were asymptomatic for the SARS-COV-2 infection and were evaluated following recovery, confirmed by repeated swab testing. The control group comprised healthy individuals matched for age and sex, and with a normal auditory and otologic history. INTERVENTIONS: The eligibility to participate in this study included a normal audiogram, no previous auditory symptoms, normal otoscopy examination with an intact tympanic membrane, and bilateral tympanometry type A. None of our volunteers reported any new auditory symptoms following SARS-COV-2 infection. Ototacoustic emissions (OAE) and auditory brainstem response (ABR) measurements were used to evaluate the auditory function. MAIN OUTCOME MEASURES: OAE and ABR measurements. RESULTS: We have found no significant differences between recovered asymptomatic SARS-COV-2 patients and controls in any of transitory evoked otoacoustic emission (TEOAE), distortion product otoacoustic emissions (DPOAE), or ABR responses. CONCLUSIONS: There is no cochlear dysfunction represented by ABR, TEOAE, and DPOAE responses in recovered COVID-19 asymptomatic patients. Retrocochlear function was also preserved as evident by the ABR responses. A long-term evaluation of a larger cohort of SARS-COV-2 patients will help to identify a possible contribution of SARS-COV-2 infection to recently published anecdotal auditory symptoms associated with COVID-19.


Assuntos
COVID-19 , SARS-CoV-2 , Estudos Transversais , Potenciais Evocados Auditivos do Tronco Encefálico , Humanos , Emissões Otoacústicas Espontâneas
10.
ACS Appl Bio Mater ; 4(5): 4131-4139, 2021 05 17.
Artigo em Inglês | MEDLINE | ID: mdl-35006827

RESUMO

BACKGROUND: upper airway complications are common sequelae of endotracheal tube (ETT) intubation, and systemic corticosteroids are considered a mainstay treatment for this problem. Drug-eluting ETT may present an attractive option for topical steroid delivery while avoiding systemic side effects and improving the therapeutic outcome. The objective of the present study is to evaluate the reduction of tube-related tracheal morbidity via a self-designed steroid-eluting ETT with controlled sustained release properties in an animal model. METHODS: steroid-eluting ETTs were coated by poly(lactic-co-glycolic acid) -electrospun nanofibers loaded with mometasone furoate (MF) as a model drug. Animals were randomly assigned into three equal groups: non-intubated, blank-ETT, and loaded-ETT. The intubation interval was 1 week. Specimens were analyzed by histology, specific fibrosis staining, and scanning electron microscopy (SEM). RESULTS: the blank-ETT group exhibited a significant increase in tracheal mucosal thickness compared to the loaded-ETT and control groups. Average tracheal mucosal thickness was 112 ± 34, 242 ± 49, and 113 ± 43 µm in the control, blank-ETT, and loaded-ETT groups, respectively. The blank-ETT group exhibited a significant increase in tracheal fibrosis compared to the loaded-ETT and control groups. Relative fibrosis values were 0.07 ± 0.05, 0.154 ± 0.1, and 0.0984 ± 0.084% for the control, blank-ETT, and loaded-ETT groups, respectively. While SEM imaging showed normal surface structures in the control group, intubated blank-ETT rats showed severe surface structural damage, whereas only mild damage was observed in the loaded-ETT group. CONCLUSIONS: local sustained release of MF via a self-designed drug-eluting ETT is a potential therapeutic approach which may significantly reduce tube-related upper airway morbidity.


Assuntos
Materiais Biocompatíveis/efeitos adversos , Intubação Intratraqueal/efeitos adversos , Furoato de Mometasona/efeitos adversos , Animais , Masculino , Teste de Materiais , Tamanho da Partícula , Ratos , Ratos Sprague-Dawley , Respiração Artificial
11.
Ear Nose Throat J ; 100(3): 172-176, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-31547708

RESUMO

Endoscopic examination of the nasal cavity is an integral part of the assessment of patients with chronic rhinosinusitis. However, the benefit gained by performing endoscopy with respect to the patient's medical condition has not been completely assessed. We conducted a prospective cohort in an academic medical center. Thirty-nine patients diagnosed with chronic rhinosinusitis, without polyps, whose ailment was managed conservatively with no surgical intervention. All patients underwent nasal endoscopy, a computed tomography (CT) scan rated for Lund-MacKay score, and completed a sino nasal outcome test (SNOT)-20 questionnaire. This same evaluation was repeated 6 weeks following medical treatment. The CT scan and SNOT-20 questionnaire were independent parameters to evaluate the endoscopy score in each nasal passage. Thirty-nine (28 females) patients completed the follow-up period. A total of 156 endoscopic evaluations were performed, in which 74 nasal cavities were found to have significant pathology and 82 were either normal or displayed mild pathology. The correlation with the Lund-MacKay score was poor with a positive predictive value of 68.9% (31.1% false positive and 28% false negative). However, while looking at the SNOT-20 score, corrected for repeated measures, a higher endoscopy score was associated with a higher SNOT-20 score (odds ratio = 3.53, 95% confidence interval = 1.54-8.09, P = .003). Patients with higher endoscopy scores had a greater probability for exhibiting severe symptoms. However, we could not demonstrate a strong correlation between nasal endoscopy findings and CT scan scores. Therefore, with respect to patients with chronic rhinosinusitis without polyps, nasal endoscopy could be utilized as a beneficial objective tool.


Assuntos
Endoscopia/estatística & dados numéricos , Rinite/diagnóstico , Índice de Gravidade de Doença , Sinusite/diagnóstico , Avaliação de Sintomas/estatística & dados numéricos , Doença Crônica , Endoscopia/métodos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Cavidade Nasal/diagnóstico por imagem , Cavidade Nasal/patologia , Razão de Chances , Valor Preditivo dos Testes , Estudos Prospectivos , Rinite/patologia , Teste de Desfecho Sinonasal , Sinusite/patologia , Avaliação de Sintomas/métodos , Tomografia Computadorizada por Raios X
12.
Sleep Breath ; 25(1): 399-410, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-32394315

RESUMO

PURPOSE: Left untreated, obstructive sleep-disordered breathing (OSDB) are associated with adverse effects on growth and development. History and physical examination alone are used for diagnosing children with OSDB, as polysomnography is not always feasible. Our objective was to develop and validate a Hebrew version of the Pediatric Sleep Questionnaire (PSQ) to help to diagnose and follow-up children before and after adenotonsillectomy surgery for OSDB. METHODS: We conducted a prospective, nonrandomized, controlled trial in an academic medical center. We enrolled parents of children younger than 5 years of age planned for tonsillectomy with or without adenoidectomy due to obstructive airway indication. The parents completed the validated Hebrew version of PSQ questionnaire before and after surgery. We translated the questionnaire through forward-backward translation method. Our main outcome measures were reliability, validity, and responsiveness of the Hebrew version of PSQ. RESULTS: Overall, 45 parents of children with OSDB and 34 controls filled out the questionnaires. We found significant differences between the PSQ scores before and after surgery (p < 0.001). The Hebrew version of PSQ results after surgery were similar to those of the control group (p = 0.206), as expected. We found high reliability of the Hebrew version of PSQ before surgery (α = 0.931). The translated PSQ had a high specificity (87.9%) and sensitivity (77.3%) to identify children with OSDB. CONCLUSION: The Hebrew version of the validated PSQ for parents to children with OSDB can be used as a reliable screening and diagnostic tool to identify children suffering from OSDB, when polysomnography is not feasible.


Assuntos
Síndromes da Apneia do Sono/diagnóstico , Adenoidectomia , Pré-Escolar , Cultura , Análise Fatorial , Feminino , Humanos , Israel , Masculino , Estudos Prospectivos , Curva ROC , Reprodutibilidade dos Testes , Sensibilidade e Especificidade , Síndromes da Apneia do Sono/etnologia , Síndromes da Apneia do Sono/cirurgia , Inquéritos e Questionários , Tonsilectomia , Tradução
13.
Int J Pediatr Otorhinolaryngol ; 140: 110534, 2021 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-33290924

RESUMO

BACKGROUND: Acute otitis externa (AOE), is a common infectious disease affecting children and adults. Its peak prevalence is around the summer months, it involves the external auditory canal and in most cases is due to bacterial agents. METHODS: This is a retrospective observational analytical case-based study involving all consecutive patients under the age of 18 years old presenting with AOE to a pediatric emergency department. RESULTS: We collected data from 337 patients under 18 years of age with 344 visits to the Emergency Department, between the years 2011-2018. Nearly half of the visits presented during the summer months. Children were divided into two subgroups: hospitalized and non-hospitalized. Median hospitalization time was 3 days. The hospitalized sub-group had higher rates of failed treatment, as well as higher rates of external ear canal edema, systemic fever, canal discharge and auricular edema. On multivariable analysis the following variables had the strongest correlation for hospital admission: auricular edema (OR 27.98), otorrhea (OR 1.82), narrowing of the ear canal by more than 50% (OR 1.91), fever (OR 2.92), and previous systemic treatment (OR 2.53). Pseudomonas aeruginosa (PA) was isolated in 78% of cultures in the hospitalized sub-group. All PA strains were sensitive to ciprofloxacin. CONCLUSIONS: This study highlights the main clinical variables which may predict hospitalization among children with AOE as well as the dominant role of sensitive strains of PA in the pathogenesis of this condition in children.


Assuntos
Otite Externa , Doença Aguda , Adolescente , Criança , Hospitalização , Hospitais , Humanos , Otite Externa/diagnóstico , Otite Externa/tratamento farmacológico , Otite Externa/epidemiologia , Pseudomonas aeruginosa
14.
Int J Pediatr Otorhinolaryngol ; 138: 110373, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-32927354

RESUMO

OBJECTIVES: Medication errors in hospitalized children represent a serious health problem; these include dosing errors, administration route errors, errors in identifying the patient and more. The rates of medication errors are considered higher in children compared to adults because, among other reasons, the pediatric dose is calculated according to the child's weight or body surface. This study aims to examine the incidence of pediatric medication dosing errors and the impact of an intervention program in reducing these errors and related adverse effects in a cohort of hospitalized children at an otolaryngology department. METHODS: We reviewed 100 computerized medical reports of hospitalized children from 2017 to 2018, including 50 inpatient admissions prior to the implementation of an intervention program and 50 inpatient admissions following its implementation. Data includes demographic variables, number of hospitalization days, rates and types of medication errors and adverse effects. We have analyzed the rates of medication errors before and after implementation of an interventional program. RESULTS: The average patient age was 5.26 and the demographic features of the two groups were similar. We identified 23.2% medication dosing errors in medications prescribed to the patients (n = 33) and 17.6% medication dosing errors in total medications administered to the patients (n = 64) in the pre-intervention group (PREG). In the post-intervention group (POSG) we identified 10.6% medication dosing errors in prescriptions prescribed to the patients (n = 12) and 7% medication dosing errors in the total drugs administered to the patients (n = 21). The intervention program resulted in 46% reduction of prescription errors; No adverse effects were recorded. CONCLUSIONS: Medication dosing errors among hospitalized children are common, although rates of adverse events are low. The suggested intervention program demonstrates a significant reduction in the rates of these errors, thus improving the safety of hospitalized children.


Assuntos
Erros de Medicação/prevenção & controle , Erros de Medicação/estatística & dados numéricos , Estudos de Casos e Controles , Criança , Pré-Escolar , Feminino , Hospitalização , Humanos , Masculino , Otolaringologia , Avaliação de Programas e Projetos de Saúde
15.
ACS Omega ; 5(13): 7432-7439, 2020 Apr 07.
Artigo em Inglês | MEDLINE | ID: mdl-32280885

RESUMO

Intranasal drug administration is considered a routine in the treatment of many nasal conditions including chronic rhinosinusitis (CRS), which is a common disease involving long-term inflammation of the nasal mucosa. Topical nasal steroid treatment is safe and easy to use and plays a basic role in both nonsurgical and surgical treatments for CRS. Intranasal steroid therapy for various time intervals is commonly used before and after endoscopic CRS nasal surgeries to reduce inflammation and edema and to improve mucosal healing. The medication is currently administered via conventional nasal sprays; therefore, there is an incentive to develop more efficient drug delivery systems for the controlled release of topical steroids into the sinonasal cavities over a prolonged period of time. In this study, poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) loaded with mometasone furoate (MF) were generated using the nanoprecipitation method and characterized physicochemically and morphologically. MF NPs exhibited adequate physicochemical properties and high drug encapsulation efficiency and loading content. MF exhibited sustained release from NPs over 7 days in vitro with an initial burst release; various mathematical models were applied to determine the kinetics of drug release. Having demonstrated the ability to load MF in PLGA-NPs using the nanoprecipitation method for the first time, these NPs urge the need for additional investigations to demonstrate their therapeutic potential in nasal delivery applications.

18.
Isr Med Assoc J ; 21(9): 607-611, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31542906

RESUMO

BACKGROUND: Ophthalmic pathologies may further complicate the sensory input of patients with congenital hearing loss; however, data on children with coexisting impairment of vision and hearing is outdated, from before universal implementation of hearing screening programs. OBJECTIVES: To examine the different ophthalmic pathologies among children with congenital sensorineural hearing loss (SNHL) before or after the introduction of a universal newborn hearing screening program (UNHSP). METHODS: Retrospective cohort study was conducted of 91 children diagnosed with congenital SNHL between 2005 and 2016 in a tertiary pediatric hospital. All patients completed an ophthalmologic examination, including assessment of visual acuity, refraction, ocular motility, slit lamp examination, and indirect funduscopy. Radiological assessment and genetic analysis were offered to all caregivers. RESULTS: Average age at diagnosis was 4.1 years. Nineteen children (21%) were diagnosed with an ophthalmic condition, of which the most common were refractive pathologies. Diagnosis of an ophthalmic pathology was twice as likely in the pre-UNHSP era (14 children, 27%) compared to the post-UNHSP era (5 children, 13%). Out of 91 children, 57 (63%) underwent a computed tomography scan and/or magnetic resonance imaging. Imaging was positive for structural abnormalities in 23 children (40%). There was no correlation between imaging and ophthalmic conditions. Genetic analysis was performed in 67 patients (74%). CONCLUSIONS: The ophthalmic assessment of babies and children with congenital SNHL may yield in significant numbers of children with concomitant ophthalmic pathologies. Implementation of a UNHSP allows early diagnosis and treatment of coexisting ophthalmic and hearing conditions.


Assuntos
Oftalmopatias/diagnóstico , Oftalmopatias/epidemiologia , Perda Auditiva/diagnóstico , Perda Auditiva/epidemiologia , Programas de Rastreamento/métodos , Pré-Escolar , Estudos de Coortes , Comorbidade , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Nova Zelândia/epidemiologia , Estudos Retrospectivos
19.
Int J Pediatr Otorhinolaryngol ; 117: 171-174, 2019 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-30579076

RESUMO

OBJECTIVE: To evaluate the incidence of tonsil and adenoid malignancy in pediatric patients in Israel compared to the known literature and to revisit the common practice of routine histopathologic examination of tonsils and adenoids. METHODS: Analysis of the Israel National Cancer Registry data on pediatric tonsil and adenoid malignancies between the years 2005 and 2015, and a systematic literature review of all relevant articles that reported on malignancies amongst pediatric patients who underwent tonsillectomy with or without adenoidectomy. RESULTS: Only seven cases of tonsillar malignancies were documented out of 152,352 (0.0052%) surgeries in the pediatric population. All malignancies were lymphoproliferative and mainly Burkitt's lymphoma. In our medical center no malignancy was found in 2165 patients in the same age groups and time period. We found the incidence of tonsillar malignancy in Israel to be significantly lower (p = 0.013) compared to the previously described literature. CONCLUSION: The incidence of malignancy in routine histopathological examination of tonsils and adenoids is Israel is very low when compared to the known literature. According to these results, we suggest that routine histopathological examination of all such samples is not clinically justified.


Assuntos
Linfoma de Burkitt/epidemiologia , Neoplasias Tonsilares/epidemiologia , Adenoidectomia , Tonsila Faríngea/patologia , Adolescente , Linfoma de Burkitt/patologia , Criança , Pré-Escolar , Humanos , Incidência , Achados Incidentais , Lactente , Recém-Nascido , Israel/epidemiologia , Sistema de Registros , Estudos Retrospectivos , Neoplasias Tonsilares/patologia , Tonsilectomia
20.
J Control Release ; 272: 54-61, 2018 02 28.
Artigo em Inglês | MEDLINE | ID: mdl-29331580

RESUMO

Laryngeal and tracheal morbidity is a common complication of endotracheal tube (ETT)-based airway management, and manifests as local irritation, inflammation, and edema. Systemic corticosteroids are commonly administered to manage these conditions; however, their efficacy is inadequate and limited by potential severe side effects. In the present study, a steroid delivery system for local therapy was developed to generate relatively high local drug concentrations and to improve drug efficacy. ETTs were coated with electrospun poly (lactic-co-glycolic acid) (PLGA) nanofibers loaded with mometasone furoate (MF), creating a microscale thick layer. MF exhibited sustained release from coated ETTs over 14days in vitro. An in vivo efficacy study in rats demonstrated the therapeutic benefit of MF-coated ETTs over bare ETTs, as measured by reduced laryngeal mucosal thickness and submucosal laryngeal edema. The fiber coating remained intact during tube intubation and extubation, demonstrating good adhesion to the tubes even after 24h in aqueous solution at 37°C. These findings demonstrate the potential of drug-loaded ETTs to revolutionize the standard of care for endotracheal intubation.


Assuntos
Anti-Inflamatórios/administração & dosagem , Sistemas de Liberação de Medicamentos , Intubação Intratraqueal , Furoato de Mometasona/administração & dosagem , Nanofibras , Animais , Anti-Inflamatórios/química , Liberação Controlada de Fármacos , Masculino , Furoato de Mometasona/química , Nanofibras/química , Copolímero de Ácido Poliláctico e Ácido Poliglicólico/química , Ratos Sprague-Dawley
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