Publications by authors named "Justin Cottrell"

Objectives: To characterize treatment and hearing outcomes for cerebellopontine angle (CPA) meningiomas with inherent risks of hearing loss and identify predictors of hearing loss for surgically treated lesions.

Design: Retrospective chart review.

Setting: Tertiary care medical center.

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Introduction: Cochlear implantation has demonstrated benefit for restoring hearing in patients with Ménière's disease. We sought to examine disease and management factors that may influence postoperative speech performance and vertigo control.

Methods: A single-center retrospective chart review between 2010 and 2023 of patients with Ménière's disease receiving a cochlear implant (CI).

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Objective: Observe if metal artifact reduction (MAR) techniques applied to magnetic resonance imaging (MRI) performed on patients with cochlear implants (CI) or auditory brainstem implants (ABI) improves image quality.

Study Design: Retrospective review.

Setting: Tertiary care center.

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ImportanceQuality indicators are used to evaluate the quality of healthcare delivery and as a speciality, otolaryngology-head and neck surgery (OHNS) is beginning to transition toward this empirical understanding of healthcare quality and delivery.ObjectiveTo describe the number and quality of studies that have developed novel quality indicators for any subdiscipline in OHNS.DesignWe performed a database search of MEDLINE (Ovid), EMBASE (Ovid), Web of Science, and Cochrane Database of Systematic Reviews.

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Objectives: To assess a decade of experience of treating patients with high hearing risk cerebellopontine angle (CPA) epidermoid lesions and examine factors influencing postoperative outcomes, particularly hearing preservation.

Study Design: Retrospective chart review.

Setting: Single tertiary-referral center.

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Objective: To determine the outcomes of patients receiving hyperbaric oxygen therapy for sudden sensorineural hearing loss and the impact of patient comorbidities on outcomes.

Study Design: Retrospective chart review.

Setting: Tertiary referral center.

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Objective: To evaluate cochlear implant speech perception among patients with sporadic inner ear schwannoma who underwent ipsilateral implantation.

Study Design: Retrospective multi-institutional cohort study.

Setting: Eleven tertiary academic medical centers across Germany, Denmark, and the United States.

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Article Synopsis
  • - This study compares cochlear implant (CI) outcomes for speech perception in patients with sporadic vestibular schwannoma (VS) treated through observation, radiosurgery, or microsurgery.
  • - Of the 100 patients analyzed, those who underwent microsurgery had poorer speech perception scores compared to those who were observed or treated with radiosurgery, with only 61% achieving open-set speech perception after microsurgery.
  • - The findings suggest that cochlear implants can be beneficial for sporadic VS patients, particularly those managed by observation or radiosurgery, as these groups showed significantly better outcomes in achieving open-set speech perception.
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Article Synopsis
  • The study aims to describe the cochlear apex's anatomy to assist surgeons during apical electrode placement for cochlear implants, enhancing procedural success.
  • Utilizing a retrospective analysis of 82 CT scans, the researchers measured distances from key middle ear landmarks to the cochlear apex, finding significant variability in anatomy.
  • A new "stapes vector" was identified as a reliable reference point for locating the cochlear apex, which could improve surgical accuracy and minimize damage during procedures.
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  • The study aimed to evaluate cochlear implant performance after patients underwent reimplantation using a different manufacturer's device.
  • A total of 29 patients were analyzed, showing a drop in average CNC speech recognition scores before reimplantation but a recovery to comparable levels following the procedure.
  • The findings indicate that reimplantation with a new device can lead to similar speech recognition performance as the original device, without significant statistical differences in outcomes.
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Objective: To characterize transimpedance matrix (TIM) heatmap patterns in patients at risk of labyrinthine abnormality to better understand accuracy and possible TIM limitations.

Study Design: Retrospective review of TIM patterns, preoperative, and postoperative imaging.

Setting: Tertiary referral center.

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Article Synopsis
  • Pediatric acute otitis media (AOM) is common in children, leading to concerns about overdiagnosis and overtreatment, prompting the need for specific quality indicators (QIs).
  • An expert panel, utilizing the RAND/UCLA methodology, evaluated candidate indicators and ultimately agreed on 8 QIs related to antimicrobial management, referrals, and counseling for tympanostomy tubes.
  • These QIs aim to address the inconsistent care in AOM diagnosis and management, enhancing adherence to guidelines and improving patient outcomes.
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Background: Ultrasound (U/S) is a dynamic imaging modality with many applications in medicine. In Otolaryngology, U/S is used routinely in the clinic with several evolving applications intraoperatively. .

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Objective: To assess the safety of cochlear implants (CIs) in children under 9 months of age to better understand expected postoperative complication rates, and to provide a preliminary look at efficacy.

Study Design: Single-center retrospective review.

Setting: Tertiary referral center.

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Background: The cochlear implant (CI) has proven to be a successful treatment for patients with severe-to-profound sensorineural hearing loss, however outcome variance exists. We sought to evaluate particular mutations discovered in previously established sensory and neural partition genes and compare post-operative CI outcomes.

Materials And Methods: Utilizing a prospective cohort study design, blood samples collected from adult patients with non-syndromic hearing loss undergoing CI were tested for 54 genes of interest with high-throughput sequencing.

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Purpose: Total hip arthroplasty (THA) and total knee arthroplasty (TKA) represent a significant portion of healthcare spending and are high-priority for quality improvement initiatives. This study aims to develop quality indicators (QIs) in the care of primary elective THA and TKA patients. These QIs serve a number of purposes including documentation of the quality of care, objective comparisons of institutions/providers, facilitating pay-for-performance initiatives, and supporting accountability, regulation, and accreditation.

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Objectives: The cost-effectiveness of bilateral cochlear implants in adults remains uncertain despite established clinical benefits. In cost-effectiveness studies, benefit is often measured by change in health state utility value (HSUV), a single number summary of health-related quality of life anchored at 0 (state of being dead) and 1 (perfect health). Small differences in bilateral cochlear implant HSUV change conclusions of published models, and invalid estimates can therefore mislead policy and funding decisions.

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Background: Understanding mistreatment within medicine is an important first step in creating and maintaining a safe and inclusive work environment. The objective of this study was to quantify the prevalence of perceived workplace mistreatment amongst otolaryngology-head and neck surgery (OHNS) faculty and trainees in Canada.

Methods: This national cross-sectional survey was administered to practicing otolaryngologists and residents training in an otolaryngology program in Canada during the 2020-2021 academic year.

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Background: Falls are the leading cause of fatal and nonfatal injuries among adults over 65 years old. The increase in fall mortality rates is likely multifactorial. With a lack of key drivers identified to explain rising rates of death from falls, accurate predictive modelling can be challenging, hindering evidence-based health resource and policy efforts.

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Importance: Primary hyperparathyroidism (pHPT) is a common endocrine disorder with many diagnostic and treatment challenges. Despite high-quality guidelines, care is variable, and there is low adherence to evidence-based treatment pathways.

Objective: To develop quality indicators (QIs) to evaluate the diagnosis and treatment of pHPT that could measure, improve, and optimize quality of care and outcomes for patients with this disease.

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Article Synopsis
  • The study addresses the challenges in diagnosing and managing Menière's disease (MD) due to a lack of high-quality evidence, leading to variations in practice.
  • A panel of experts identified and agreed on five quality indicators (QIs) to standardize and improve healthcare practices for MD patients by evaluating care measures.
  • These QIs focus on critical aspects of MD treatment, including accurate diagnosis and the management of therapies, aiming to enhance patient outcomes and guide quality improvement initiatives in healthcare.
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Objective: Sudden sensorineural hearing loss (SSNHL) is an ideal entity for quality indicator (QI) development, providing treatment challenges resulting in variable or substandard care. The American Academy of Otolaryngology-Head and Neck Surgery recently updated their SSNHL guidelines. With SSNHL demonstrating a large burden of illness, this study sought to leverage the updated guidelines and develop QIs that support quality improvement initiatives at an individual, institutional, and systems level.

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Objective: Adenotonsillectomy (AT) is common in children with trisomy 21 but outcomes are variable. Therefore, practitioners must have accurate information regarding the risks of the procedure specific to trisomy 21 to help patients weigh the risks and benefits of surgery. The objective of this study was to better characterize morbidity and mortality risk factors from AT in children with trisomy 21.

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