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Topic Review
Sobrerol
Respiratory tract infections (RTIs) are usually characterized by mucus hypersecretion. This condition may worsen and prolong symptoms and signs. For this reason, reducing mucus production and improving mucus removal represent relevant aspects of managing patients with RTIs. In this regard, mucoactive drugs may be effective. Mucoactive agents constitute a large class of compounds characterized by different mechanisms of action. Sobrerol is a monoterpene able to fluidify mucus, increase mucociliary clearance, and exert antioxidant activity. Sobrerol is available in various formulations (granules, syrup, nebulized, and suppository). Sobrerol has been on the market for over 50 years.
  • 1.2K
  • 18 Jul 2023
Topic Review
Noise-Induced Hearing Loss
Noise-induced hearing loss (NIHL) is the second most common cause of sensorineural hearing loss, after age-related hearing loss, and affects approximately 5% of the world’s population. NIHL is associated with substantial physical, mental, social, and economic impacts at the patient and societal levels. Stress and social isolation in patients’ workplace and personal lives contribute to quality-of-life decrements which may often go undetected. 
  • 1.1K
  • 11 Apr 2023
Topic Review
EBV-Positive Mucocutaneous Ulcer
EBV-positive mucocutaneous ulcer (EBV-MCU) was classified as a rare new entity of the lymphoproliferative B-cell diseases by the WHO in 2017 and must be distinguished from head and neck squamous cell carcinoma by early biopsy.
  • 1.1K
  • 29 Apr 2022
Topic Review
Otomycosis
Otomycosis (OM) is a superficial fungal infection of the external auditory canal (EAC) with a worldwide prevalence ranging from 9% to 30%. Commonly, otomycoses are caused by Aspergillus (A.) niger complex and Candida spp. Other causative agents are yeasts of the genera Cryptococcus spp., Rhodotorula spp., Geotrichum candidum, dermatophytes (Trichophyton mentagrophytes), and non-dermatophytes molds (Fusarium spp., Penicillium spp., Mucorales fungi). 
  • 1.1K
  • 25 Sep 2023
Topic Review
Autologous Fat Injection Laryngoplasty for Unilateral Vocal Palsy
Unilateral vocal palsy (UVFP) affects the voice and swallowing function and could be treated by various materials to achieve improved mucosal wave and better closure during phonation. Injection laryngoplasty is considered an exemplary method for these patients and could be injected as early as possible. We conducted a systematic review and meta-analysis for the subjective and objective outcomes of autologous fat injection laryngoplasty (AFIL) and assessed the effects for patients with UVFP. 
  • 1.1K
  • 08 Nov 2021
Topic Review
Molecular Therapeutic Targets for Adenoid Cystic Carcinoma
Adenoid Cystic Carcinoma (ACC) is a rare malignant tumor of the salivary glands. The most researched pathway associated with ACC is the MYB–NFIB translocation, found to lead to dysregulation of critical cellular pathways and thought to be a fundamental driver in a subset of ACC disease pathogenesis. Other notable molecular targets that have been studied include the cKIT receptor, the epidermal growth factor receptor (EGFR) pathway, and NOTCH1, all with limited efficacy in clinical trials. The ongoing investigation of molecular abnormalities underpinning ACC that may be responsible for carcinogenesis is critical to identifying and developing novel targeted therapies.
  • 1.0K
  • 22 Apr 2022
Topic Review
Clinical Use of the Suppression Head Impulse Paradigm
he instrumental assessment of the vestibular system has made significant progress. Two protocol tests are available in the clinical practice to evaluate the vestibular ocular reflex (VOR) function through the use of the video head impulse test (vHIT): the head impulse paradigm (HIMP) and the suppression head impulse paradigm (SHIMP). These tests can be used alone (in the case of HIMP) or in combination to test semicircular canal function and to determine the residual VOR gain and the visuo-vestibular interaction. The suppression head impulse paradigm (SHIMP) has a potential clinical application in patients with unilateral and bilateral vestibulopathy. The SHIMP could be a useful tool to diagnose a VOR alteration in patients with unilateral and bilateral vestibulopathy. Further well-designed studies are needed to evaluate if the new paradigm could replace the HIMP in both the acute and chronic phases of vestibulopathy.
  • 1.0K
  • 11 Jul 2022
Topic Review
Voice Tremor and Botulinum Neurotoxin Therapy
Voice tremor is a common, yet debilitating symptom for patients suffering from a number of tremor-associated disorders. The key to targeting effective treatments for voice tremor requires a fundamental understanding of the pathophysiology that underpins the tremor mechanism and accurate identification of the disease in affected patients. An updated review of the literature detailing the current understanding of voice tremor (with or without essential tremor), its accurate diagnosis and targeted treatment options was conducted, with a specific focus on the role of botulinum neurotoxin. Judicious patient selection, following detailed characterisation of voice tremor qualities, is essential to optimising treatment outcomes for botulinum neurotoxin therapy, as well as other targeted therapies. Further focused investigation is required to characterise the response to targeted treatment in voice tremor patients and to guide the development of innovative treatment options.
  • 1.0K
  • 09 Jan 2023
Topic Review
Tissue Engineering for Glottic Insufficiency
Glottic insufficiency is widespread in the elderly population and occurs as a result of secondary damage or systemic disease. Tissue engineering is a viable treatment for glottic insufficiency since it aims to restore damaged nerve tissue and revitalize aging muscle. After injection into the biological system, injectable biomaterial delivers cost- and time-effectiveness while acting as a protective shield for cells and biomolecules.
  • 1.0K
  • 13 Dec 2022
Topic Review
Enduring Controversy of Cervicogenic Vertigo
The idea of cervicogenic vertigo (CV) was proposed nearly a century ago, yet despite considerable scrutiny and research, little progress has been made in clarifying the underlying mechanism of the disease, developing a confirmatory diagnostic test, or devising an appropriately targeted treatment. Given the history of this idea, we offer a review geared towards understanding why so many attempts at clarifying it have failed, with specific comments regarding how CV fits into the broader landscape of positional vertigo syndromes, what a successful diagnostic test might require, and some practical advice on how to approach this in the absence of a diagnostic test.
  • 999
  • 28 Sep 2021
Topic Review
Oxidative Stress in Obstructive Sleep Apnea Syndrome
Obstructive sleep apnea syndrome (OSAS) is a disease that affects 2% of men and 4% of women of middle age. It is a major health public problem because untreated OSAS could lead to cardiovascular, metabolic, and cerebrovascular complications.
  • 942
  • 21 Jul 2023
Topic Review
Perilymph Sampling Advances Inner Ear Diagnostics
In the clinical setting, the pathophysiology of sensorineural hearing loss is poorly defined and there are currently no diagnostic tests available to differentiate between subtypes. This often leaves patients with generalized treatment options such as steroids, hearing aids, or cochlear implantation. The gold standard for localizing disease is direct biopsy or imaging of the affected tissue; however, the inaccessibility and fragility of the cochlea make these techniques difficult. Thus, the establishment of an indirect biopsy, a sampling of inner fluids, is needed to advance inner ear diagnostics and allow for the development of novel therapeutics for inner ear disease. A promising source is perilymph, an inner ear liquid that bathes multiple structures critical to sound transduction. Intraoperative perilymph sampling via the round window membrane of the cochlea has been successfully used to profile the proteome, metabolome, and transcriptome of the inner ear and is a potential source of biomarker discovery. Here, we discuss the various applications of human perilymph sampling and propose a design for a sampling needle.
  • 925
  • 18 Jan 2022
Topic Review
Molecules Used to Prevent Nasal Polyp Recurrences
Chronic rhinosinusitis with nasal polyps (CRSwNP) is the most bothersome phenotype of chronic rhinosinusitis, which is typically characterized by a Type 2 inflammatory reaction, comorbidities and high rates of nasal polyp recurrence, causing severe impact on quality of life. Nasal polyp recurrence rates, defined as the number of patients undergoing revision endoscopic sinus surgery, are 20% within a 5 year period after surgery. The cornerstone of CRSwNP management consists of anti-inflammatory treatment with local corticosteroids. The therapeutic strategies used to prevent nasal polyp recurrence (NPR) after surgical treatment are discussed. 
  • 921
  • 22 May 2023
Topic Review
Drug-Induced Sleep Endoscopy
Drug-induced sleep endoscopy (DISE) is a diagnostic tool to assess the upper airway of snorers and obstructive sleep apnea patients in conditions that mimic natural sleep.
  • 918
  • 14 Apr 2022
Topic Review
Circulating Tumor DNA in Head and Neck Cancer
Head and neck cancer remains a challenging and deadly disease as it is often identified in more advanced stages due to limitations in screening and surveillance. Circulating tumor DNA (ctDNA) has the potential to improve outcomes by enhancing screening, early diagnosis, and surveillance in head and neck cancer patients.
  • 910
  • 14 Jul 2022
Topic Review
Transplantation of Mesenchymal Stem Cells
Otorhinolaryngology enrolls head and neck surgery in various tissues such as ear, nose, and throat (ENT) that govern different activities such as hearing, breathing, smelling, production of vocal sounds, the balance, deglutition, facial animation, air filtration and humidification, and articulation during speech, while absence of these functions can lead to high morbidity and even mortality. Conventional therapies for head and neck damaged tissues include grafts, transplants, and artificial materials, but grafts have limited availability and cause morbidity in the donor site. To improve these limitations, regenerative medicine, as a novel and rapidly growing field, has opened a new therapeutic window in otorhinolaryngology by using cell transplantation to target the healing and replacement of injured tissues. There is a high risk of rejection and tumor formation for transplantation of embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs); mesenchymal stem cells (MSCs) lack these drawbacks. They have easy expansion and antiapoptotic properties with a wide range of healing and aesthetic functions that make them a novel candidate in otorhinolaryngology for craniofacial defects and diseases and hold immense promise for bone tissue healing; even the tissue sources and types of MSCs, the method of cell introduction and their preparation quality can influence the final outcome in the injured tissue.
  • 896
  • 22 Jul 2021
Topic Review
Olfactory-Disorders in Post-Acute COVID-19 Syndrome
Altered smell is one of the most prevalent symptoms in acute COVID-19 infection. Although most patients recover normal neurosensory function in a few weeks, approximately one-tenth of patients report long-term smell dysfunction, including anosmia, hyposmia, parosmia and phantosmia, with a particularly notable impact on quality of life. In this complex scenario, inflammation and cellular damage may play a key role in the pathogenesis of olfactory dysfunctions and may affect olfactory signaling from the peripheral to the central nervous system.
  • 874
  • 29 Sep 2021
Topic Review
Anterior Skull Base Reconstruction Using the Nasoseptal Flap
The nasoseptal flap (NSF) has become a workhorse reconstructive option in the endonasal repair of anterior skull base defects. The flap is pedicled on the posterior septal nasal artery, which branches off the sphenopalatine artery and courses along the posterior nasal cavity and inferior sphenoid face. Due to its versatile nature and customizability, the NSF can be utilized for a range of different defects extending from the frontal recess to the low clivus in the sagittal plane. 
  • 851
  • 11 Jan 2024
Topic Review
Methodologies for ctDNA Detection
Circulating extracellular DNA that is tumor-derived, referred to as ctDNA, often adheres to the surfaces of leukocytes and erythrocytes. Circulating tumor DNA (ctDNA) has the potential to improve outcomes by enhancing screening, early diagnosis, and surveillance in head and neck cancer patients. 
  • 850
  • 07 Jul 2022
Topic Review
Nutritional Intervention on Taste Perception
Taste is primarily a nutrient sensing system. The texture of the food and the rate at which it is eaten, have a profound effect on the time of orosensory exposure to foods and to satiation. It has been established that slower eating leads to a longer exposure to taste.
  • 847
  • 29 Mar 2022
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