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This pilot study aimed to evaluate a training programme for primary care physiotherapists focused on the assessment and management of benign paroxysmal positional vertigo.
Methods
A six-month training programme and toolkit utilising the revised Standards for Quality Improvement Reporting Excellence (‘SQUIRE 2.0’) guidelines was developed to facilitate the learning of new knowledge and skills in the assessment and management of benign paroxysmal positional vertigo following Gagne's model of instructional design. A pre- and post-training knowledge and confidence questionnaire evaluated the impact of the training programme.
Results
Eleven participants started the training programme and five completed it. On average, knowledge increased by 54 per cent (range, 41–95 per cent) and confidence increased by 45 per cent (range, 31–76 per cent). A 73 per cent improvement in practical skills acquisition was demonstrated after the initial training session.
Conclusion
A structured approach to learning demonstrates improvements in knowledge, skills and confidence of physiotherapists in the evidence-based management of benign paroxysmal positional vertigo.
To examine the newly established role of a primary contact physiotherapist in an ENT clinic, in an Australian cohort and context, over two phases of development.
Methods
A retrospective cohort study was conducted with data collected from a medical record audit. Over the study duration, the primary contact physiotherapist completed initial appointments with patients; follow-up appointments were subsequently conducted by medical staff.
Results
There was a 46 per cent reduction in patients with suggested vestibulopathy requiring an ENT medical review. This reduction could hypothetically increase to 71 per cent with follow-up primary contact physiotherapist appointments. Improvements in the service delivery model and a primary contact physiotherapist arranging diagnostic assessments could improve waitlist times and facilitate better utilisation of medical staff time.
Conclusion
The primary contact physiotherapist can help in the management of patients with suspected vestibulopathy on an ENT waitlist. This is achieved through: a reduction of patients requiring ENT review, improvements to waitlist time and improved utilisation of medical specialists’ time.
Persistent postural-perceptual dizziness classifies patients with chronic dizziness, often triggered by an acute episode of vestibular dysfunction or threat to balance. Unsteadiness and spatial disorientation vary in intensity but persist for over three months, exacerbated by complex visual environments.
Method
Literature suggests diagnosis relies on a clinical history of persistent subjective dizziness and normal vestibular and neurological examination findings. Behavioural diagnostic biomarkers have been proposed, to facilitate diagnosis.
Results
Research has focused on understanding the neural mechanisms that underpin this perceptual disorder, with imaging data supporting altered connectivity between neural brain networks that process vision, motion and emotion. Behavioural research identified the perceptual and motor responses to a heightened perception of imbalance.
Conclusion
Management utilises head and body motion detection, and downregulation of visual motion excitability, reducing postural hypervigilance and anxiety. Combinations of physical and cognitive therapies, with antidepressant medications, help if the condition is associated with mood disorder.
Driving capacity is affected by vestibular disorders and the medications used to treat them. Driving is not considered during medical consultations, with 92 per cent of patients attending a centre for dizziness not discussing it with the doctor.
Objective
To investigate if medical record prompts facilitate dizziness and driving conversations in ENT balance clinics.
Methods
A questionnaire was designed to reflect the current standards of practice and advice given regarding driving and dizziness during balance clinic consultations.
Results
Medical record prompts facilitated the improved frequency and recording of shared decision-making conversations about driving and dizziness in 98 per cent of consultations.
Conclusion
This study highlights the benefits of medical record prompts for documented and accurate shared decision-making conversations surrounding dizziness, vertigo, vestibular conditions and driving. This potentially improves safety for all road users, and protects the patient and clinician in the event of road traffic accidents and medico-legal investigations.
The study aimed to compare ipsilateral and contralateral electrically evoked stapedial reflex thresholds in children with a unilateral cochlear implant surgically implanted either through Veria or posterior tympanotomy approaches.
Methods
Forty-nine children using cochlear implants were studied, of whom 27 underwent the Veria approach and 22 underwent the posterior tympanotomy approach. The electrically evoked stapedius reflex thresholds were measured ipsilaterally and contralaterally by stimulating four equally spaced electrodes.
Results
The ipsilateral electrically evoked stapedius reflex threshold was absent in all four electrodes in the children implanted using the Veria approach. However, the ipsilateral electrically evoked stapedius reflex threshold was present in 70 per cent of the children implanted using the posterior tympanotomy approach. The contralateral electrically evoked stapedius reflex threshold was present in most of the children for both surgical approaches.
Conclusion
The presence of the ipsilateral electrically evoked stapedius reflex threshold varies depending on the surgical technique used for cochlear implantation. However, contralateral reflexes are present in the majority of children using cochlear implants, irrespective of the surgical approach.
Vestibular migraine is a newly recognised and debilitating condition. This article aims to provide an overview of what is known of vestibular migraine, delineating its diagnostic criteria and presenting some initial management strategies to aid ENT professionals in delivering optimal care when patients first present to the otolaryngology clinic.
Method
Although traditionally underdiagnosed, there are now clearly defined diagnostic criteria to aid accurate diagnosis of vestibular migraine.
Results
A detailed history and clinical examination are the cornerstone of the diagnostic process, but supportive evidence is required from appropriate audio-vestibular tests and imaging.
Conclusion
This is a unique condition that commonly initially presents to ENT. This article provides a summary of diagnostic and management strategies to facilitate early diagnosis and first-line treatment that can be employed in general ENT settings, which may be particularly useful given the limited availability of specialist audio-vestibular medicine and neuro-otology services.
This paper reports our experience in managing dizzy patients remotely during the coronavirus disease 2019 pandemic, and explored its safety as an alternative to face-to-face consultations.
Methods
Dizzy patients referred by their general practitioner were contacted to answer a validated questionnaire. Clinicians recorded the time needed for consultations, and the diagnosis at each of the following assessment stages: after review of the electronic general practitioner letter; following completion of the questionnaire; following the telephone consultation; and/or at follow up. Patients were telephoned no earlier than three months later to determine satisfaction with the service and symptom resolution. Electronic patient records were checked for presentation to hospital because of dizziness.
Results
Seventy patients had telephone consultations. None presented to the emergency department or were admitted. The majority of consultations took 15–30 minutes. The most diagnosed condition was benign positional paroxysmal vertigo. Seventy-nine per cent of patients were satisfied with the service. The questionnaire and telephone consultations demonstrated the greatest diagnosis agreement (κ = 0.40).
Conclusion
Validated questionnaire and telephone consultations are a safe alternative to face-to-face consultations. Our patient referral pathway has now changed to include elements of the questionnaire.
Management of tympanic membrane perforations is varied. This study aimed to better understand current practice patterns in myringoplasty and type 1 tympanoplasty.
Methods
An electronic questionnaire was distributed to American Academy of Otolaryngology – Head and Neck Surgery members. Practice patterns were compared in terms of fellowship training, practice length, practice setting, paediatric case frequency and total cases per year.
Results
Of the 321 respondents, most were comprehensive otolaryngologists (60.4 per cent), in private practice (60.8 per cent), with a primarily adult practice (59.8 per cent). Fellowship training was the factor most associated with significant variations in management, including pre-operative antibiotic usage (p = 0.019), contraindications (p < 0.001), approach to traumatic perforations (p < 0.001), use of local anaesthesia (p < 0.001), graft material (p < 0.001), tympanoplasty technique (p = 0.003), endoscopic assistance (p < 0.001) and timing of post-operative audiology evaluation (p = 0.003).
Conclusion
Subspecialty training appears to be the main variable associated with significant differences in peri-operative decision-making for surgical repair of tympanic membrane perforations.
Sudden hearing loss, or progressive hearing loss occurring over months to years, are well-established presentations. However, little is described in the medical literature on how to approach patients presenting with a rapidly progressive hearing loss occurring over weeks. This study aimed to evaluate the clinical significance of patients presenting with rapidly progressive hearing loss.
Methods
A case of rapidly progressive hearing loss occurring over 12 weeks is presented. A PubMed literature review was performed to determine the evidence-based differential diagnoses for rapidly progressive hearing loss.
Results
Fifteen causes were identified for rapidly progressive hearing loss: intracranial aetiologies (meningioma, lymphoma, metastatic deposit, cavernous angioma, meningitis, superficial siderosis); paraneoplastic syndrome (small cell lung carcinoma, thymoma); inflammatory or autoimmune disorders (autoimmune inner-ear disease, sarcoidosis, vasculitis, Sjögren's syndrome); infective disorders (syphilis, human immunodeficiency virus); and medication-induced causes.
Conclusion
Rapidly progressive hearing loss should be considered a ‘red flag’ symptom that warrants urgent action. Most causes are systemic or sinister in nature, and the patient's hearing loss can potentially be reversed.
Imaging detects acoustic neuroma, a rare pathology associated with asymmetric sensorineural hearing loss and tinnitus, that is mostly managed conservatively. Scanning indication is debatable, without evaluation in primary care, despite the high burden of audiovestibular symptoms and commissioning of general practitioner imaging.
Method
Cohort evaluation of two years' internal auditory meatus magnetic resonance imaging in primary care.
Results
Of 200 scans requested by 77 general practitioners, only 33 per cent conformed to guideline indications. Most were referred to specialists, regardless of result. Only 10.5 per cent were appropriately imaged to rule out neuroma without specialist referral. One neuroma was detected (diagnostic yield 0.5 per cent) in a patient already referred. Incidental findings were shown in 44.5 per cent, triggering low-value cascades in 18 per cent. Whilst fewer than 1 in a 1000 imaged patients may improve through surgery, 1 in 5 can suffer negative imaging cascades.
Conclusion
Considering the bi-directional relationship between distress and audio-vestibular symptoms, anxiety-provoking imaging overuse should be minimised. In low-prevalence primary care, retrocochlear imaging could be limited to those with asymmetric sensorineural hearing loss. Alternatively, assessment and imaging could be shifted to audiologist-led settings, with a wider therapeutic offer, likely more beneficial and cost-effective than conventional surgical pathways.
Spontaneous cerebrospinal fluid leak of the temporal bone is an emerging clinical entity for which prompt and accurate diagnosis is difficult given the subtle signs and symptoms that patients present with. This study sought to describe the key temporal bone abnormalities in patients with spontaneous cerebrospinal fluid leak.
Methods
A retrospective cohort study was conducted of adult patients with biochemically confirmed spontaneous cerebrospinal fluid leak. Demographics and radiological features identified on computed tomography imaging of the temporal bones and/or magnetic resonance imaging were analysed.
Results
Sixty-one patients with spontaneous cerebrospinal fluid leak were identified. Fifty-four patients (88.5 per cent) underwent both temporal bone computed tomography and magnetic resonance imaging. Despite imaging revealing bilateral defects in over 75 per cent of the cohort, only two patients presented with bilateral spontaneous cerebrospinal fluid leaks. Anterior tegmen mastoideum defects were most common, with an average size of 2.5 mm (range, 1–10 mm).
Conclusion
Temporal bone computed tomography is sensitive for the identification of defects when suspicion exists. In the setting of an opacified middle ear and/or mastoid, close examination of the skull base is crucial given that this fluid is potentially cerebrospinal fluid.
Coronavirus disease 2019 and other factors have driven interest in conducting remote consultations, but there has been little research on this topic in neuro-otology. With suitable preparation, neuro-otology patients with dizziness can have remote assessments that include elements of neuro-otological physical examination, with tailored management and onward pathways arranged.
Methods
This paper reports experience with remote consultation in over 700 neuro-otology patient consultations and suggests a systematic approach, illustrated by a clinical case report and data on 100 consultations.
Conclusion
Remote consultations can play a role in neuro-otology clinics. Further research is needed to establish patient acceptability, diagnostic accuracy, safety and efficiency of remote models of care for this patient group.
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