Publications by authors named "Shaun Kilty"

Objective: To assess the effectiveness of auditory and visual distraction interventions on patient discomfort, pain and anxiety during office-based otolaryngologic upper airway procedures.

Data Sources: Literature searches were done through Cochrane Central Register of Controlled Trials, Lilacs, MEDLINE, Embase, PsycINFO and Cumulative Index to Nursing and Allied Health Literature.

Review Methods: The protocol was registered in PROSPERO on August 17th 2022, under Registration number CRD42020204354.

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Background: Dupilumab, an anti-IL4 receptor-α monoclonal antibody, was the first biologic to be approved in Canada for the treatment of Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). In phase III clinical trials, it has demonstrated to be effective in reducing nasal polyp size and the severity of symptoms, improve disease-specific quality of life, and to have an acceptable safety profile. This study aims to present long-term follow-up data on disease-specific sinonasal outcomes of patients with CRSwNP who have been treated with dupilumab for up to 3 years in a real-world setting.

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Background: Growth hormone (GH)-secreting pituitary adenoma is a severe endocrine disease. Surgery is the currently recommended primary therapy for patients with GH-secreting tumours. However, non-surgical therapy (pharmacological therapy and radiation therapy) may be performed as primary therapy or may improve surgical outcomes.

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Objective: The aim of this study was to determine an optimal follow-up imaging surveillance strategy in terms of cost-effectiveness after resection of nonfunctioning pituitary adenomas with curative intent.

Methods: An individual-level state-transition microsimulation model was used to simulate costs and outcomes associated with three postoperative imaging strategies over a lifetime time horizon: 1) annual MRI surveillance, 2) tapered MRI surveillance (annual surveillance for 5 years followed by surveillance every 2 years), and 3) personalized surveillance (annual surveillance for 5 years followed by surveillance every 2 years when MRI shows remnant disease/postoperative changes, and surveillance at 7, 10, and 15 years for disease-free MRI). Transition probabilities, utilities, and costs were estimated from recent published data and discounted by 3% annually.

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Background: Dupilumab, omalizumab, and mepolizumab are the three biologics currently approved for use in CRSwNP in Canada. Despite evidence of efficacy, their cost-effectiveness, which is a key factor influencing prescribing patterns, has not yet been compared to each other.

Methods: A cost-effectiveness model using quality-adjusted life years (QALYs) was constructed using a Decision Tree Markov analysis.

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Background: Chronic rhinosinusitis with nasal polyposis (CRSwNP) often coexists with lower airway disease. With the overlap between upper and lower airway disease, optimal management of the upper airways is undertaken in conjunction with that of the lower airways. Biologic therapy with targeted activity within the Type 2 inflammatory pathway can improve the clinical signs and symptoms of both upper and lower airway diseases.

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Background: Patients widely use medical identification (ID) to indicate their food and drug allergies, and chronic medical conditions. One chronic condition for which patients are recommended to use a form of medical ID is Aspirin-Exacerbated Respiratory Disease (AERD), a disease characterized by the presence of asthma, chronic rhinosinusitis with nasal polyps and sensitivity to aspirin and other COX-1 inhibitors, including nonsteroidal anti-inflammatory drugs (NSAIDs). The uptake of medical ID use in AERD is unknown and has not been widely studied in this population.

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Context: Pituitary tumors are the third most common brain tumor and yet there is no standardization of the surveillance schedule and assessment modalities after transsphenoidal surgery.

Evidence Acquisition: OVID, EMBASE and the Cochrane Library databases were systematically screened from database inception to March 5, 2020. Inclusion and exclusion criteria were designed to capture studies examining detection of pituitary adenoma recurrence in patients 18 years of age and older following surgical resection with curative intent.

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Purpose: The objective of this study was to compare the cost-effectiveness of preoperative octreotide therapy followed by surgery versus the standard treatment modality for growth-hormone secreting pituitary adenomas, direct surgery (that is, surgery without preoperative treatment) from a public third-party payer perspective.

Methods: We developed an individual-level state-transition microsimulation model to simulate costs and outcomes associated with preoperative octreotide therapy followed by surgery and direct surgery for patients with growth-hormone secreting pituitary adenomas. Transition probabilities, utilities, and costs were estimated from recent published data and discounted by 3% annually over a lifetime time horizon.

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Background: Dupilumab is the first monoclonal antibody therapy to be approved in Canada for the treatment of Chronic Rhinosinusitis with Nasal Polyps (CRSwNP). The goal of the study was to assess its effectiveness and efficacy in a real-world setting. This study aims to assess how clinical outcomes of biologic therapy in real-world application (effectiveness) correspond to outcomes in clinical trials (efficacy) and to look into factors that might explain an efficacy-effectiveness gap.

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Olfactory loss has been identified as one of the common symptoms related to COVID-19 infection. Although olfactory loss is recognized, our understanding of both the extent of loss and time to olfactory recovery following infection is less well known. Similarly, knowledge of potential impactful patient factors and therapies that influence olfactory recovery is desirable but is not overtly clear in the literature.

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Objectives: Many experts feel that in the absence of well-defined goals for success, they have an easier time identifying failure. As success ought to not be defined only by absence of failure, we aimed to define optimal outcomes for endoscopic sinus surgery (ESS) in chronic rhinosinusitis (CRS) by obtaining expert surgeon perspectives.

Methods: A total of 12 surgeons participated in this targeted consultation.

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 Pituitary apoplexy (PA) is a rare complication of pituitary tumors that can present with a myriad of symptoms, including sudden onset cranial nerve deficits. After patient stabilization and hormone replacement, surgical decompression is often recommended. The timing of surgical decompression remains controversial.

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Introduction: Chronic rhinosinusitis (CRS) is common, with a Canadian prevalence of 5%, and associated with significant morbidity. Understandably, CRS impairs workplace productivity but that productivity substantially increases following surgical treatment. CRS with nasal polyps (CRSwNP), the most common type of CRS, is usually treated with a combination of medications and endoscopic sinus surgery (ESS).

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Article Synopsis
  • Meniere's disease (MD) is a complex inner ear condition causing symptoms like vertigo, hearing loss, and tinnitus, yet there's confusion about the best treatments due to variability in their effectiveness.
  • This systematic review aimed to evaluate the effectiveness of various pharmacologic and surgical treatments for MD by analyzing data from randomized clinical trials (RCTs).
  • The review identified 23 relevant studies involving 1,231 patients and found that treatments combining intratympanic steroids with high-dose betahistine showed the most significant improvement in hearing compared to placebo.
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Objective: To compare costs and quality-adjusted life years of patients receiving endoscopic polypectomy in the clinic those receiving endoscopic sinus surgery from the perspective of Canada's health system.

Method: We developed a Markov model to simulate costs and quality-adjusted life years among a cohort of patients with chronic rhinosinusitis with polyps who received endoscopic polypectomy in clinic or endoscopic sinus surgery, over a patient's lifetime. Our study focused on patients with chronic rhinosinusitis with polyps who have the predominant symptom of bilateral nasal obstruction.

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Background: Acute bacterial rhinosinusitis (ABRS) is a highly prevalent disease that is treated by a variety of specialties, including but not limited to, family physicians, emergency physicians, otolaryngology-head and neck surgeons, infectious disease specialists, and allergy and immunologists. Unfortunately, despite high-quality guidelines, variable and substandard care continues to be demonstrated in the treatment of ABRS.

Objective: This study aimed to develop ABRS-specific quality indicators (QIs) to evaluate the diagnosis and management that reduces symptoms, improves quality of life, and prevents complications.

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The Choosing Wisely Canada campaign is an initiative that aims to involve physicians and patients in collaborative decision making to avoid unnecessary tests and treatments. The Rhinology Subspecialty Group of the Canadian Society of Otolaryngology - Head & Neck Surgery developed a list of five evidence-based recommendations for the management of acute rhinosinusitis and nasal fractures: (1) don't prescribe antibiotics to patients with acute sinusitis who do not meet the diagnostic criteria for acute bacterial rhinosinusitis; (2) don't order a CT scan for uncomplicated acute rhinosinusitis; (3) don't order plain film sinus x-rays; (4) don't swab the nasal cavity as part of the work up for rhinosinusitis; and (5) don't order a plain film x-ray in the evaluation of nasal fractures.

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Objective: To estimate the hospital costs of managing anterior epistaxis in the Emergency Department at a Tertiary Care centre in Canada.

Material And Methods: A cost analysis was conducted based on a retrospective review of Emergency Department visits from January 2012 to May 2014. A consecutive sample of adult patients with a diagnosis of anterior epistaxis was included.

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Background: Odontoidectomy for basilar invagination and craniovertebral junction pathology traditionally has been performed using a transoral route. However, the endoscopic endonasal approach to the anterior craniovertebral junction may offer safer and more effective access when compared with transoral approaches. The objective of this study is to review the surgical outcomes and complications associated with endoscopic endonasal odontoidectomy.

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Background: Hearing loss is one of the leading causes of disability in Canada and worldwide, with more than one million Canadians enduring a hearing-related disability. Meniere's disease (MD) is a chronic condition of the inner ear, manifesting as a triad of disabling symptoms, including attacks of vertigo, fluctuating sensorineural hearing loss (SNHL), and tinnitus. Impacts on quality of life are severe, particularly with respect to restrictions in social participation and physical activity, fatigue, and reduced capacity to work.

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Background: Epistaxis is the most common symptom of hereditary hemorrhagic telangiectasia (HHT), affecting more than 98% of adults with HHT, with significant impact on quality of life. Floseal® has been shown to be effective for the management of anterior epistaxis, but has yet to be thoroughly evaluated in this population. Our goal was to evaluate the efficacy of Floseal® for managing acute anterior epistaxis in patients with HHT.

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Article Synopsis
  • Hearing loss is a major global disability, negatively impacting quality of life, emotions, and finances, with idiopathic sudden sensorineural hearing loss (ISSNHL) being a common and challenging condition to treat due to its sudden onset.
  • This study conducted a systematic review and network meta-analysis (NMA) to evaluate the effectiveness and safety of various treatment options for ISSNHL, following a thorough search of relevant medical literature.
  • Out of 1,138 citations reviewed, 23 publications representing 19 studies involving 1,527 participants were included in the analysis, highlighting a range of treatment interventions with varying levels of bias in the studies assessed.
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Clinicians seek to pursue the most clinically effective treatment strategies, but costs have also become a key determinant in contemporary health care. Economic analyses have thus emerged as a valuable resource to both quantify and qualify the value of existing and emerging interventions and programs. Cost-effectiveness analyses estimate the benefits gained per monetary unit, providing insights to guide resource allocation.

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Background: The benefit of prophylactic antibiotic use in endoscopic endonasal transsphenoidal surgery (EETS) for pituitary lesions is controversial. Many surgeons administer antibiotics perioperatively not based on clear guidelines but to be safe. The purpose of this study was to determine if antibiotic prophylaxis use reduces the risk of infection (e.

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