Publications by authors named "Vandersteen C"

Background: Clinical trials have demonstrated the effectiveness of biologics in treating chronic rhinosinusitis with nasal polyps (CRSwNP). However, real-world evidence regarding patient outcomes and predictors of clinical response remains limited.

Methodology: In this multicentric 18-month follow-up study, 326 adult patients who initiated biologic therapy for severe uncontrolled CRSwNP were included.

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Objective: To evaluate taste disorders after middle ear surgery, their modifying factors especially chorda tympani nerve injury or underlying otologic disease. We investigated consequences of taste disorders on quality of life.

Study Design: Prospective cohort study.

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Article Synopsis
  • Chronic rhinosinusitis with nasal polyps (CRSwNP) is a common condition affecting 2% of people, typically treated with corticosteroids and saline rinses, with surgery as an option for those who don't respond to medication.
  • In France, two biologic treatments are available for severe cases that don’t improve after existing therapies or surgery, and a new study will evaluate the effectiveness and safety of these biologics in real-life settings.
  • The BIOlogics in severe nasal POlyposis SurvEy (BIOPES) is a national, multicenter study aimed at understanding the impact of biologics on CRSwNP patients and gathering various clinical data to inform future treatments.
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Introduction: Remote digital assessments (RDAs) such as voice recording, video and motor sensors, olfactory, hearing, and vision screenings are now starting to be employed to complement classical biomarker and clinical evidence to identify patients in the early AD stages. Choosing which RDA can be proposed to individual patients is not trivial and often time-consuming. This position paper presents a decision-making algorithm for using RDA during teleconsultations in memory clinic settings.

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Background: Anosmia was one of the main symptoms of coronavirus disease 2019 (COVID-19). A psychiatric history ( depression) may be an independent contributor to the risk of COVID-19 diagnosis, and COVID-19 survivors appear to have an increased risk of neuropsychiatric sequelae (bidirectional association).

Aim: To compare the rate of psychiatric disorder among post-COVID patients without anosmia patients with persistent olfactory complaints.

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Background: Among all studies describing COVID-19 clinical features during the first wave of the pandemic, only a few retrospective studies have assessed the correlation between olfac-tory dysfunction (OD) and the evolution of disease severity. The main aim was to assess whether OD is a predictive factor of COVID-19 severity based on the patient's medical management (outpa-tient care, standard hospital admission, and ICU admission).

Methods: A national, prospective, mul-ticenter cohort study was conducted in 20 public hospitals and a public center for COVID-19 screen-ing.

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Background And Objective: Olfactory disorders in COVID-19 impact quality of life and may lead to psychological impairments. Prevalence ranges from 8 to 85%, persisting in about 30% of cases. This study aimed to evaluate the 6-month post-COVID-19 impact on quality of life, hedonic experiences, anxiety and depression due to olfactory disorders.

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Introduction: Patulous Eustachian tube (PET) is a condition affecting approximately 0.3% to 6.6% of the population, with autophony being the predominant complain.

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Diagnosis in rhinology is currently based on the concept of inflammation (chronic rhinosinusitis [CRS]) or the clinical concept of chronic nasal dysfunction (CND). The complementarity between these two approaches can be discussed by a critical review of the literature structured by the analysis of the fundamental and diagnostic bases and the therapeutic implications linked to each. The concept of CRS is based on the anatomical continuity of the nasal and sinus respiratory mucosa and molecular biology data, seeking to analyze the mechanisms of chronic inflammation and to identify proteins and biomarkers involved in the different supposed endotypes of chronic inflammation of this mucosa.

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Purpose: Olfactory identification disorder is considered a promising early biomarker of Alzheimer's disease (AD). The QUICK TODA2 can be used as a short olfactory screening tool specific for French AD patients. The selection of AD specific odorants and the design of this screening were the main objectives of this twofold study.

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Although it is the gold standard for assessing the malignancy of thyroid nodules (TNs) preoperatively, the cytological analysis of fine-needle aspiration cytology (FNAC) samples results in 20-30% of cases in indeterminate lesions (ITNs). As two-thirds of these lesions will appear benign after diagnostic surgery, improved preoperative diagnostic methods need to be developed. In this pilot study, we evaluate if the metabolomic profiles of liquid-based (CytoRich) FNAC samples of benign and malignant nodules can allow the molecular diagnosis of TNs.

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Introduction: The risk of developing Alzheimer's disease (AD) in older adults increasingly is being discussed in the literature on Post-Acute COVID-19 Syndrome (PACS). Remote digital Assessments for Preclinical AD (RAPAs) are becoming more important in screening for early AD, and should always be available for PACS patients, especially for patients at risk of AD. This systematic review examines the potential for using RAPA to identify impairments in PACS patients, scrutinizes the supporting evidence, and describes the recommendations of experts regarding their use.

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With the constant evolution in the role of endoscopy in middle ear surgery, this article presents a technical note on the transcanal endoscopic approach to resection of a cholesteatoma limited to the posterior mesotympanum. We believe that this technique provides a suitable, minimal-invasive alternative to the classic microscopic transmastoid approach.

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Hearing loss is a major public health problem with significant evidence correlating it with cognitive performance. Verbal fluency tests are commonly used to assess lexical access. They provide a great deal of information about a subject's cognitive function.

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Introduction: Persistent dysosmia more than 3 months after SARS-CoV-2 disease (COVID-19) is considered as long-COVID olfactory disease (LCOD). The primary objective of this study was to evaluate the diagnostic and therapeutic management of LCOD in the daily clinical practice of members of the National Union of Otorhinolaryngology-Head and Neck Surgery Specialists (Syndicat national des médecins spécialisés en ORL et chirurgie cervico-faciale) (SNORL). The secondary objective was to identify factors influencing management within the descriptive survey data.

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Objective: Indeterminate thyroid nodules (ITN) are common and often lead to (sometimes unnecessary) diagnostic surgery. We aimed to evaluate the performance of two machine learning methods (ML), based on routinely available features to predict the risk of malignancy (RM) of ITN.

Design: Multi-centric diagnostic retrospective cohort study conducted between 2010 and 2020.

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The present study investigates how electrically evoked Auditory Brainstem Responses (eABRs) can be used to measure local channel interactions along cochlear implant (CI) electrode arrays. eABRs were recorded from 16 experienced CI patients in response to electrical pulse trains delivered using three stimulation configurations: (1) single electrode stimulations (E11 or E13); (2) simultaneous stimulation from two electrodes separated by one (E and E, E11 and E13); and (3) stimulations from three consecutive electrodes (E11, E12, and E13). Stimulation level was kept constant at 70% electrical dynamic range (EDR) on the two flanking electrodes (E11 and E13) and was varied from 0 to 100% EDR on the middle electrode (E12).

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Understanding cochlear anatomy is crucial for developing less traumatic electrode arrays and insertion guidance for cochlear implantation. The human cochlea shows considerable variability in size and morphology. This study analyses 1000+ clinical temporal bone CT images using a web-based image analysis tool.

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The robust delineation of the cochlea and its inner structures combined with the detection of the electrode of a cochlear implant within these structures is essential for envisaging a safer, more individualized, routine image-guided cochlear implant therapy. We present Nautilus-a web-based research platform for automated pre- and post-implantation cochlear analysis. Nautilus delineates cochlear structures from pre-operative clinical CT images by combining deep learning and Bayesian inference approaches.

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Article Synopsis
  • Oticon Medical cochlear implants utilize a stimulation mode called Distributed All-Polar (DAP) that connects multiple intracochlear electrodes and an extracochlear reference electrode, resulting in a unique current distribution that hasn't been fully described before.
  • A study was conducted using a modified Neuro Zti implanted in a human head to measure the current returning to each electrode during DAP stimulation, revealing that about 20% of the current returns to the extracochlear electrode while 80% is distributed among the intracochlear electrodes.
  • The results indicated that the position of the stimulating electrode and changes in charge level affect the current distribution, suggesting that more research is necessary to determine if DAP is more effective for speech understanding compared to other stimulation
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Introduction: Orthognathic surgery aims to treat facial dysmorphoses related to an anomaly of the maxillomandibular complex. This surgical treatment is most often performed in parallel with orthodontic treatment for functional and aesthetic purposes. In order to provide more efficient management and obtain a better stability of result, simple procedures must be added to orthognathic surgery to treat chronic nasal obstruction (CNO).

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