Publications by authors named "Kassem Firas"

Purpose: To assess the knowledge and confidence level regarding the basic first-aid for treating epistaxis among medical staff, including nurses and physicians across various medical disciplines. The study focused three aspects of first aid management: location of digital pressure, head position and duration of pressure.

Methods: The study involved 597 participants, categorized into five groups according to their specialties: emergency medicine, internal medicine, surgery, pediatrics, and community-based healthcare.

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Objective: To measure postoperative airway volumes among patients with craniofacial abnormalities and compare them to normative values.

Study Design: Retrospective, comparative study.

Setting: Academic Medical Center.

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Background: Partial Tonsillectomy (PT) is an alternative method to treat sleep disordered breathing (SDB) and/or obstructive sleep apnea (OSA). The current guidelines do not differentiate it from traditional tonsillectomy. Thus, children younger than 3 years old undergoing PT are admitted for surveillance similar to traditional tonsillectomy due to possible postoperative complications.

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Introduction: Skeletal abnormalities and malocclusions have varied features that impact populations globally, impairing aesthetics and lowering life quality. The prevalence of the Skeletal Class III disease is the lowest among all angle malocclusions, with varied prevalence across nations. Environmental, genetic, and societal factors play a role in its numerous etiologies.

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Background: Chronic suppurative otitis media is a long-standing middle ear infection with a perforated tympanic membrane. Tympanoplasty is the mainstay of treatment. Most surgeons prefer to operate on dry ears; however, this may be difficult to achieve.

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Introduction: Retraction pockets and marginal perforations of the pars tensa of the tympanic membrane (TM) are most commonly found at superior posterior quadrant (SPQ). The patulous Eustachian tube tends to manifest in the same quadrant. Variation in the structure of the TM may explain these observations.

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Purpose: The aim of this study was to assess the frequency and types of compensatory articulations (CAs) in nonsyndromic patients with velopharyngeal dysfunction (VPD) and various palatal anomalies and to determine the relationship between the frequency of CAs, type of palatal anomaly, and phonological errors.

Method: A total of 783 nonsyndromic, Hebrew-speaking patients with VPD and various palatal anomalies (cleft lip and palate [CLP], cleft palate [CP], submucous CP [SMCP], occult submucous CP [OSMCP], or non-CP) were studied retrospectively. Perceptual VPD tests, including articulation and phonological assessment, were conducted.

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Background: Dysphagia is a common symptom with diverse etiologies and refers to disorders of the process of swallowing food or fluids. Many studies have reported the anatomical and functional differences between men and women in swallowing in healthy patients; however, sex discrepancies in symptomatic patients have not often been studied.

Objectives: To compare the performance of men and women with dysphagia using videofluoroscopy.

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Introduction: This study aimed to identify the characteristics of cranial-base morphology in platybasic and nonplatybasic patients with palatal anomalies and velopharyngeal dysfunction (VPD) compared with control subjects to investigate structural factors related to craniofacial morphology that affect the nasopharyngeal space and may influence velopharyngeal function, and to develop precise treatments for specific patients with VPD.

Methods: Three hundred eighty-six patients with VPD and various palatal anomalies were studied retrospectively. The control group included 126 healthy patients with normal speech.

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Background: Nivolumab, an immune checkpoint inhibitor is used to treat advanced metastatic malignancies. Data showed that nivolumab can cause exacerbated response of T-Helper 2 cells and lead to airway inflammation.

Objective: To present the upper airway findings of a 69-year-old woman after treatment with nivolumab.

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Purpose: This purpose of this study was to assess the frequency and types of phonological process errors in patients with velopharyngeal dysfunction (VPD) and the different types of palatal anomalies.

Method: A total of 808 nonsyndromic patients with VPD, who underwent follow-up at the Center for Cleft Palate and Craniofacial Anomalies, from 2000 to 2016 were included. Patients were stratified into four age groups and five subphenotypes of palatal anomalies: cleft lip and palate (CLP), cleft palate (CP), submucous cleft palate (SMCP), occult submucous cleft palate (OSMCP), and non-CP.

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The study aimed at assessing the relationship between skull base morphology, represented by skull base and nasopharyngeal angles, and palatal anatomy among patients with 22q11DS and velopharyngeal dysfunction. Retrospective analysis of patients with 22q11DS and velopharyngeal dysfunction. Age, sex, severity of velopharyngeal dysfunction, type of cleft (overt cleft palate, submucous cleft palate, occult submucous cleft palate, or no-CP, and cephalometric skull base angles were reviewed.

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Article Synopsis
  • The study examined how patients recovered their sense of smell and taste after recovering from COVID-19, surveying 97 participants from an initial group of 128 non-hospitalized COVID-19 patients.
  • A significant portion of participants reported issues with taste (65 patients), with 61.5% experiencing full recovery and 38.5% partial recovery; among the 65 patients with smell issues, 52% fully recovered while 48% had partial recovery.
  • The findings indicate that, although many patients regained their senses within an average follow-up of 229 days, a notable percentage still struggled with these dysfunctions, especially those who had smell loss as an early symptom.
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Background: Ectopic teeth in maxillary sinus is rare and are usually removed via sub-labial trans-canine fossa approach (SLCFA). The aim of our study was to present our experience with extraction of ectopic teeth in the maxillary sinus via transnasal endoscopic approach (TEA).

Material And Methods: Rhinologists were asked to share their experience in the management of ectopic teeth in the maxillary sinus.

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Objectives: To determine the difference in bleeding when extracapsular tonsillectomy with electrocautery is performed on the dominant and nondominant side of the surgeon's hands.

Study Design: Retrospective cohort study.

Setting: Academic university hospital.

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Objectives: Topical nasal steroids are a common treatment intervention for olfactory dysfunction. Penetration of topical treatment to the olfactory cleft (OC), such as nasal drops, is greatly dependent on the position of the head when the treatment is administered. We aimed to examine the penetrance of nasal drops to the OC in two different head positions: the Mygind (lying head back) position and the Kaiteki position.

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Objective: To present the outcomes of neonatal nasolacrimal duct cysts treated through endoscopic intranasal marsupialization under topical anaesthesia.

Methods: A retrospective study of 19 infants diagnosed with congenital nasolacrimal duct cyst, with or without dacryocystocele, diagnosed and treated between March 2015 through March 2020. Data were extracted for descriptive purposes and included: birth weight, main presenting symptom, stertor or dyspnoea, unilateral or bilateral occurrence.

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Objective: To compare the size of Ostmann's fat pad (OFP) between healthy ears and ears with chronic otitis media with cholestatoma (COMwC) using magnetic resonance imaging (MRI).

Methods: Twenty-six patients with unilateral COMwC underwent mastoidectomy. Pre-operative MRI records were reviewed retrospectively.

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Objective: The coronavirus disease 2019 (COVID-19) pandemic poses a threat to global health. Early diagnosis is an essential key to limit the outbreak of the virus.

Study Design: Case series, study conducted between March 25, 2020, and April 15, 2020.

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Introduction: The popularity of dental implants is continuously increasing. Displacement of implants into the maxillary sinus is a well-documented complication following this treatment.

Aims: To characterize patients treated in our institution for uncontrolled penetration of dental implants into the maxillary sinus, and highlight the importance of the multidisciplinary approach in treating these cases.

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Purpose: Cephalometric evaluation of craniofacial and craniopharyngeal morphology is important for understanding the factors affecting velopharyngeal dysfunction (VPD) in patients with palatal anomalies.

Materials And Methods: In this study, 366 patients with VPD were retrospectively stratified into cleft lip and palate (CLP), cleft palate (CP), submucous cleft palate (SMCP), occult submucous cleft palate (OSMCP), and non-CP groups. Lateral cephalometrics were used to assess craniofacial, craniopharyngeal, and velopharyngeal anatomy.

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Objective: Orbital involvement is the most common complication of sinus infections. The epidemiology of the disease is continuously changing in the antibiotic era.

Materials And Methods: Data on patients who were hospitalized due to acute sinusitis and orbital complications were retrospectively collected and analyzed from four medical centers in Israel during the years 2002-2012.

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