PubTransformer

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Otorhinolaryngologic Diseases - Top 30 Publications

Importance of adhesins in the recurrence of pharyngeal infections caused by Streptococcus pyogenes.

Pharyngo-amygdalitis is the most common infection caused by Streptococcus pyogenes (S. pyogenes). Reinfection with strains of different M types commonly occurs. However, a second infection with a strain of the same M type can still occur and is referred to as recurrence. We aimed to assess whether recurrence of S. pyogenes could be associated to erythromycin resistance, biofilm formation or surface adhesins like fibronectin-binding proteins and pilus proteins, both located in the fibronectin-binding, collagen-binding, T-antigen (FCT) region.

Population pharmacokinetic modelling of rupatadine solution in 6-11 year olds and optimisation of the experimental design in younger children.

To optimise a pharmacokinetic (PK) study design of rupatadine for 2-5 year olds by using a population PK model developed with data from a study in 6-11 year olds. The design optimisation was driven by the need to avoid children's discomfort in the study.

Voice disorder in systemic lupus erythematosus.

Systemic lupus erythematosus (SLE) is a chronic disease characterized by progressive tissue damage. In recent decades, novel treatments have greatly extended the life span of SLE patients. This creates a high demand for identifying the overarching symptoms associated with SLE and developing therapies that improve their life quality under chronic care. We hypothesized that SLE patients would present dysphonic symptoms. Given that voice disorders can reduce life quality, identifying a potential SLE-related dysphonia could be relevant for the appraisal and management of this disease. We measured objective vocal parameters and perceived vocal quality with the GRBAS (Grade, Roughness, Breathiness, Asthenia, Strain) scale in SLE patients and compared them to matched healthy controls. SLE patients also filled a questionnaire reporting perceived vocal deficits. SLE patients had significantly lower vocal intensity and harmonics to noise ratio, as well as increased jitter and shimmer. All subjective parameters of the GRBAS scale were significantly abnormal in SLE patients. Additionally, the vast majority of SLE patients (29/36) reported at least one perceived vocal deficit, with the most prevalent deficits being vocal fatigue (19/36) and hoarseness (17/36). Self-reported voice deficits were highly correlated with altered GRBAS scores. Additionally, tissue damage scores in different organ systems correlated with dysphonic symptoms, suggesting that some features of SLE-related dysphonia are due to tissue damage. Our results show that a large fraction of SLE patients suffers from perceivable dysphonia and may benefit from voice therapy in order to improve quality of life.

Simultaneous bilateral cochlear implants: Developmental advances do not yet achieve normal cortical processing.

Simultaneous bilateral cochlear implantation promotes symmetric development of bilateral auditory pathways but binaural hearing remains abnormal. To evaluate whether bilateral cortical processing remains impaired in such children, cortical activity to unilateral and bilateral stimuli was assessed in a unique cohort of 16 children who received bilateral cochlear implants (CIs) simultaneously at 1.97 ± 0.86 years of age and had ~4 years of CI experience, providing the first opportunity to assess electrically driven cortical development in the absence of reorganized asymmetries from sequential implantation.

Balloon Eustachian tuboplasty under local anesthesia: Is it feasible?

To study whether balloon Eustachian tuboplasty (BET) is a feasible and safe procedure under local anesthesia.

Development of cognitive screening test for the severely hearing impaired: Hearing-impaired MoCA.

To develop a version of the Montreal Cognitive Assessment (MoCA) to be administered to the severely hearing impaired (HI-MoCA), and to assess its performance in two groups of cognitively intact adults over the age of 60.

Peritonsillar Abscess.

Peritonsillar abscess is the most common deep infection of the head and neck, occurring primarily in young adults. Diagnosis is usually made on the basis of clinical presentation and examination. Symptoms and findings generally include fever, sore throat, dysphagia, trismus, and a "hot potato" voice. Drainage of the abscess, antibiotic therapy, and supportive therapy for maintaining hydration and pain control are the cornerstones of treatment. Most patients can be managed in the outpatient setting. Peritonsillar abscesses are polymicrobial infections, and antibiotics effective against group A streptococcus and oral anaerobes should be first-line therapy. Corticosteroids may be helpful in reducing symptoms and speeding recovery. Promptly recognizing the infection and initiating therapy are important to avoid potentially serious complications, such as airway obstruction, aspiration, or extension of infection into deep neck tissues. Patients with peritonsillar abscess are usually first encountered in the primary care outpatient setting or in the emergency department. Family physicians with appropriate training and experience can diagnose and treat most patients with peritonsillar abscess.

Curcumin Analogue CA15 Exhibits Anticancer Effects on HEp-2 Cells via Targeting NF-κB.

Laryngeal carcinoma remains one of the most common malignancies, and curcumin has been proven to be effective against head and neck cancers in vitro. However, it has not yet been applied in clinical settings due to its low stability. In the current study, we synthesized 34 monocarbonyl analogues of curcumin with stable structures. CA15, which exhibited a stronger inhibited effect on laryngeal cancer cells HEp-2 but a lower toxicity on hepatic cells HL-7702 in MTT assay, was selected for further analysis. The effects of CA15 on cell viability, proliferation, migration, apoptosis, and NF-κB activation were measured using MTT, Transwell migration, flow cytometry, Western blot, and immunofluorescence assays in HEp-2 cells. An NF-κB inhibitor, BMS-345541, as well as curcumin was also tested. Results showed that CA15 induced decreased toxicity towards HL-7702 cells compared to curcumin and BMS-345541. However, similar to BMS-345541 and curcumin, CA15 not only significantly inhibited proliferation and migration and induced caspase-3-dependent apoptosis but also attenuated TNF-α-induced NF-κB activation in HEp-2 cells. These results demonstrated that curcumin analogue CA15 exhibited anticancer effects on laryngeal cancer cells via targeting of NF-κB.

Analyses and treatments of postoperative nasal complications after endonasal transsphenoidal resection of pituitary neoplasms.

In this study, we analyze and discuss the treatments of postoperative nasal complications after endonasal transsphenoidal resection of pituitary neoplasms (PNs). We performed 129 endonasal transsphenoidal resections of PNs and analyzed and treated cases with nasal complications. After endonasal transsphenoidal resection of PNs, there were 26 cases of postoperative nasal complications (20.1%), including nasal hemorrhage (4.8%), cerebrospinal fluid rhinorrhea (6.9%), sphenoid sinusitis (2.3%), atrophic rhinitis (1.6%), olfactory disorder (1.6%), perforation of nasal septum (0.8%), and nasal adhesion (2.3%). All patients clinically recovered after therapy, which included treatment of the cavity through nasal endoscopy, intranasal corticosteroids, and nasal irrigation. We propose that regular nasal endoscopic review, specific nasal medications, and regular nasal irrigation can effectively clear nasal mucosal hyperemia-induced edema and nasal/nasoantral secretions, as well as promote regeneration of nasal mucosa, prevent nasal adhesion, maintain the sinus cavity drainage, and accelerate the recovery of the physiological function of the paranasal sinus. Timely treatment of patients with nasal complications after endonasal transsphenoidal resections of PNs could greatly relieve the clinical symptoms. Nasal cleaning is very beneficial to patients after surgery recovery.

Delayed bilateral vocal cord paresis after a continuous interscalene brachial plexus block and endotracheal intubation: A lesson why we should use low concentrated local anesthetics for continuous blocks.

Recurrent laryngeal nerve block is an uncommon complication that can occur after an interscalene brachial plexus block (ISB), which may lead to vocal cord palsy or paresis. However, if the recurrent laryngeal nerve is blocked in patients with a preexisting contralateral vocal cord palsy following neck surgery, this may lead to devastating acute respiratory failure. Thus, ISB is contraindicated in patients with contralateral vocal cord lesion. To the best of our knowledge, there are no reports of bilateral vocal cord paresis, which occurred after a continuous ISB and endotracheal intubation in a patient with no history of vocal cord injury or surgery of the neck.

Metronomic oral cyclosphosphamide as third-line systemic treatment or beyond in patients with inoperable locoregionally advanced recurrent or metastatic nasopharyngeal carcinoma.

There is no standard third-line or further systemic treatment for patients with inoperable locoregionally advanced recurrent or metastatic nasopharyngeal carcinoma (NPC). Metronomic oral cyclophosphamide provides an acceptable and cheap option for these heavily pretreated patients who had limited choices. We conducted a prospective phase II single-arm open-label study of metronomic oral cyclophosphamide. Patients with locoregionally advanced recurrent inoperable (rT3/T4, rN2-N3b) or metastatic (rM1) NPC who had Eastern Cooperative Oncology Group (ECOG) performance status (PS) (0-2) and had progressed after at least 2 lines of palliative systemic chemotherapy were eligible. They received oral cyclophosphamide between 50 and 150 mg once daily until progressive disease or unacceptable toxicity. Objective response rate (ORR), disease control rate (DCR), biochemical response (two consecutive declines of plasma EBV DNA after treatment), progression-free survival (PFS), overall survival (OS), and safety profiles were evaluated. A total of 56 patients were recruited. Thirty-three, 13, 6, 3, and 1 patients received cyclophosphamide as 3rd, 4th, 5th, 6th, and 7th line of therapy respectively. After a median follow-up of 9.95 months (range 1.76-59.51 months), the ORR was 8.9% and the DCR was 57.1%. The median PFS and OS were 4.47 and 9.20 months, respectively. Those with PS 1 had longer median PFS (5.49 months) compared to those with PS 2 (3.75 months, P = .011). Besides, those who had locoregionally recurrent disease had better PFS (8.97 months, 95% CI, 0.53-17.41 months) compared to those who had distant metastases (4.14 months, 95% CI, 2.53-5.75 months, P = .020). Multivariable analysis revealed that PS 1 (vs 2) (P = .020) and locoregional recurrence (vs metastasis) (P = .029) were the only significant independent prognostic factors of PFS. Around 16 (28.6%) patients developed grade ≥3 adverse events, including malaise (5.4%), hematological (8.9%), gastrointestinal (3.6%), feverish (3.6%), and hemorrhagic (1.8%) events. The median cost of the whole drug treatment was 51.65 US dollars (USD) (range 4.15-142.75 USD) (1 USD = 7.8 HK dollars [HKD]). Metronomic oral cyclophosphamide is an acceptable third-line or beyond systemic therapy for locoregionally advanced recurrent or metastatic NPC with acceptable toxicity and limited financial burden.

Polymorphisms of Mannose-binding Lectin and Toll-like Receptors 2, 3, 4, 7 and 8 and the Risk of Respiratory Infections and Acute Otitis Media in Children.

Mannose-binding lectin (MBL) and toll-like receptors (TLRs) are important components of the innate immune system. We assessed the susceptibility of children with genetic variants in these factors to respiratory infections, rhinovirus infections and acute otitis media.

In Vivo Interplay between p27(Kip1), GATA3, ATOH1, and POU4F3 Converts Non-sensory Cells to Hair Cells in Adult Mice.

Hearing loss is widespread and persistent because mature mammalian auditory hair cells (HCs) are nonregenerative. In mice, the ability to regenerate HCs from surrounding supporting cells (SCs) declines abruptly after postnatal maturation. We find that combining p27(Kip1) deletion with ectopic ATOH1 expression surmounts this age-related decline, leading to conversion of SCs to HCs in mature mouse cochleae and after noise damage. p27(Kip1) deletion, independent of canonical effects on Rb-family proteins, upregulated GATA3, a co-factor for ATOH1 that is lost from SCs with age. Co-activation of GATA3 or POU4F3 and ATOH1 promoted conversion of SCs to HCs in adult mice. Activation of POU4F3 alone also converted mature SCs to HCs in vivo. These data illuminate a genetic pathway that initiates auditory HC regeneration and suggest p27(Kip1), GATA3, and POU4F3 as additional therapeutic targets for ATOH1-mediated HC regeneration.

Framingham Risk Score as a Prognostic Predictor of Sudden Sensorineural Hearing Loss: A Preliminary Study.

Predicting the prognosis of idiopathic sudden sensorineural hearing loss (ISSHL) remains challenging. This investigation aimed to apply Framingham Risk Scores (FRS) to assess the combination of prognostic factors following ISSHL and investigate the predictive role of FRS in patients with multiple comorbidities including hypertension, diabetes, and hyperlipidemia.

A Preliminary Case Report of a High-Quality Cost-effective Rigid Laryngoscopy Setup.

To evaluate a cost-effective modified rigid laryngoscopy setup with a portable light source and high-resolution commercially available digital camera for use in smaller otolaryngology and family practice clinics.

Pathologic Markers in Surgically Treated HPV-Associated Oropharyngeal Cancer: Retrospective Study, Systematic Review, and Meta-analysis.

Human papillomavirus-associated (HPV) oropharyngeal cancer is a unique clinical entity whose incidence is increasing. It is controversial whether traditional pathologic markers of aggressive head and neck cancer also apply in surgically treated HPV-associated disease.

Office-based Electromyography-guided Botulinum Toxin Injection to the Cricopharyngeus Muscle: Optimal Patient Selection and Technique.

This retrospective study was carried out to investigate the effectiveness and safety of office-based electromyography-guided injection of botulinum toxin in the cricopharyngeus muscle of patients who did not show upper esophageal sphincter passage in a swallowing study in spite of maximal swallowing rehabilitation.

A Case Report and Systematic Review of Eosinophilic Angiocentric Fibrosis of the Paranasal Sinuses.

There is a paucity of literature discussing prognostic factors or comparing outcomes in eosinophilic angiocentric fibrosis (EAF). This review aims to analyze tumor and patient characteristics as possible prognostic markers and compare surgical approaches.

Herpes Simplex Virus Laryngitis Presenting as Airway Obstruction: A Case Report and Literature Review.

Herpes simplex virus (HSV) laryngitis is rare in adults. We add a case report to the literature and perform a literature review to further delineate the clinical presentation, course, and treatment of HSV laryngitis in adults.

Factors Associated With Infectious Laryngitis: A Retrospective Review of 15 Cases.

To identify the culturable microbes associated with infectious laryngitis and outline effective treatment strategies.

The effect of caffeic acid phenethyl ester and thymoquinone on otitis media with effusion in rats.

In this study, we aimed to investigate the effect of CAPE and thymoquinone in experimental rat otitis media with effusion (OME) model.

Story retelling skills in Persian speaking hearing-impaired children.

Since the pragmatic skills of hearing-impaired Persian-speaking children have not yet been investigated particularly through story retelling, this study aimed to evaluate some pragmatic abilities of normal-hearing and hearing-impaired children using a story retelling test.

Theory of mind and language development in Japanese children with hearing loss.

This study investigates the development of theory of mind (ToM) in Japanese children with hearing loss (HL) and its relationship with language abilities using the data of a large sample size.

Management of orbital cellulitis and subperiosteal orbital abscess in pediatric patients: A ten-year review.

Pediatric periorbital cellulitis represents a common disease complicating a nasal infection.

Protective effects of 1,2,3-triazole derivative KPR-A020 against cisplatin-induced ototoxicity in murine cochlear cultures.

Cisplatin (cis-diaminedichloridoplatinum(II), cis-[PtCl2(NH3)2]) is an effective chemotherapeutic agent in the treatment of several types of malignant solid tumors but its clinical use is associated with ototoxicity. Several studies have investigated the effect of antioxidants on cisplatin-induced ototoxicity in mice. The triazole KPR-A020 has been shown to play a protective role against mitochondrial dysfunction by reducing the production of mitochondrial reactive oxygen species (ROS). The effect of KPR-A020 on cisplatin-induced ototoxicity was examined using cultures of cochlear explants. Healthy mice were randomly divided into 4 groups: control, treated with cisplatin alone (CP), treated with cisplatin and KPR-A020 (CP + KPR-A020), and treated with KPR-A020 alone (KPR-A020). The cochlear explants were harvested for histological and immunohistochemical examinations. Biochemical analyses of the explants revealed that pre-treatment with KPR-A020 prevented an increase in mitochondrial ROS levels. Moreover, the CP + KPR-A020 group showed better hair cell survival than the CP group. Immunohistochemical examinations of cochlear explants stained with anti-caspase-3 revealed greater immunopositivity in the CP group. The CP + KPR-A020 group showed significantly less immunopositivity than the CP group (P < 0.05). Thus, it appears that KPR-A020 protects hair cells in the organ of Corti from cisplatin-induced toxicity by decreasing the production of mitochondrial ROS. The results of this study suggest that KPR-A020 can be used as an antioxidant and antiapoptotic agent to prevent hearing loss caused by cisplatin induced-oxidative stress.

Self-reported postoperative recovery in children after tonsillectomy compared to tonsillotomy.

Tonsil surgery is associated with significant morbidity during recovery. Patient-reported outcome measures (PROM) are the golden standard for the planning and follow-up of delivered care, which should also be an axiom for children. The current aims were to describe self-reported postoperative recovery in children after tonsil surgery, and to compare tonsillotomy and tonsillectomy in this respect.

The results of newborn hearing screening by means of transient otoacoustic emissions - has anything changed over 10 years?

Universal newborn hearing screening (UNHS) has become the standard of care in many countries. The aim of this study was to evaluate the results of UNHS after ten years of the program in Poland and to compare them with the results of 2003.

The use of practice guidelines in the management of pediatric cases of Acute Otitis Media in Amman, Jordan.

The widespread emergence of antimicrobial resistance has led many healthcare institutions to adopt more conservative antibiotic prescription practice guidelines for the treatment of acute otitis media (AOM). Little is known about the awareness and use of such guidelines by physicians in Jordan. Our aim was to pilot an anonymous survey instrument that would assess AOM treatment trends as well as awareness of and adherence to practice guidelines in Amman. By qualitatively assessing the management of AOM we could illuminate possible disparities in treatment trends, evaluate variability in practice guideline adherence, and help focus efforts of future educational programs that pertain to pediatric AOM management.

MYO15A splicing mutations in hearing loss: A review literature and report of a novel mutation.

Sensorineural hearing loss (SNHL) is the most prevalent genetic sensory defect in humans, affecting about 1 in 1000 newborns around the world. Non-syndromic SNHL accounts for nearly 70% of hereditary hearing loss and 80% of SNHL cases show an autosomal recessive mode of inheritance (ARNSHL). In the present study, we applied targeted-exome sequencing to a family with a single proband affected by congenital sensorineural hearing loss. 127 known genes were sequenced to find the causative mutation. One novel homozygous donor splice site mutation, c.4596 + 1G > A (IVS12 + 1G > A) was found in MYO15A gene. Analysis of this mutation within the family showed that the mutation segregates with hearing loss. New DNA sequencing technologies could lead to identification of the disease causing variants especially in highly heterogeneous disorders such as hearing loss.

Endoscopic middle ear exploration in pediatric patients with conductive hearing loss.

To describe our indications, findings, and outcomes for transcanal endoscopic middle ear exploration in pediatric patients with conductive hearing loss of unknown etiology, without effusions.