- Voice and Speech Disorders
- Infection Control and Ventilation
- Dysphagia Assessment and Management
- Phonetics and Phonology Research
- Stuttering Research and Treatment
- Noise Effects and Management
- Respiratory and Cough-Related Research
- COVID-19 and healthcare impacts
- Botulinum Toxin and Related Neurological Disorders
- Inhalation and Respiratory Drug Delivery
- Tracheal and airway disorders
- Thermal Regulation in Medicine
- Second Language Learning and Teaching
- Climate Change and Health Impacts
- Nursing Diagnosis and Documentation
- Healthcare Facilities Design and Sustainability
- Language, Metaphor, and Cognition
- Neuroscience and Music Perception
- Infection Control in Healthcare
- Musicology and Musical Analysis
- Chromosomal and Genetic Variations
- Music Technology and Sound Studies
- Indoor Air Quality and Microbial Exposure
- Child and Animal Learning Development
- Genetic Mapping and Diversity in Plants and Animals
University College London Hospitals NHS Foundation Trust
2018-2025
University College London
2007-2025
Eastman Dental Hospital
2021-2025
Royal National Throat Nose and Ear Hospital
2009-2024
Cornell University
2023
City, University of London
2022
University College Hospital
2009
Middlesex Hospital
1982-1997
North Middlesex Hospital
1997
The SARS-CoV-2 global pandemic has highlighted the risk of nosocomial infections airborne viruses to patient populations around world. Increased use mechanical ventilation and portable air cleaners (PACs) have been suggested as methods mitigate this risk, but introduction new flows indoor areas can complex potentially unforeseen consequences. We used particle counters investigate effect using built-in and/or PACs in a typical hospital outpatients' clinic upon spread aerosols produced by an...
This document is a position statement on the formal perceptual evaluation of voice quality in United Kingdom (UK). It addresses number clinical issues pertaining to complexity analysis. There also brief description three protocols most commonly used UK: The Vocal Profile Analysis (VPA), GRBAS and Buffalo III Voice Profile. Potential problems with are highlighted. Problems associated lack defined terminology, limitless variety quality, general reliability data difficulties determining...
The records of 109 patients, presenting with functional voice disorder during the years 1977-1981, have been reviewed. mean age was 45 and F : M ratio is 2 1. Excess use not obviously an aetiological factor. Sixty-one patients (56 per cent) were cured by speech therapy, in that their voices returned to pre-morbid state, a further 28 (26 improved therapy; seven (6 did improve 13 (12 lost follow-up. Of 'cured', 54 cent discharged after three months' treatment 72 six treatment. Eight required...
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has brought renewed attention to aerosol and droplet generation. While many studies have robustly quantified (<10 µm diameter) number mass exhalation rates, fewer explored larger This study quantifies droplets (>20 generated by a cohort of 76 adults children using water-sensitive paper deposition approach. Unvoiced voiced activities spanning different levels loudness, lengths sustained phonation, specific manner...
Abstract SARS-CoV-2 has severely affected capacity in the National Health Service (NHS), and waiting lists are markedly increasing due to downtime of up 50 min between patient consultations/procedures, reduce risk infection. Ventilation accelerates this air cleaning, but retroactively installing built-in mechanical ventilation is often cost-prohibitive. We investigated effect using portable cleaners (PAC), a low-energy low-cost alternative, concentration aerosols typical...
Studies investigating children's metaphoric competence have frequently encouraged very young children to make judgments of similarity that rely almost exclusively on perceptual, visually explicit qualities such as shape and color (Vosniadou & Ortony, 1983). This study used materials allowed (3, 4, 5 years old) based perceptually criteria well were implicit in criterial information could not be scrutinized. These presented pictures words, which made it possible determine whether demonstrate...
In this preliminary prospective study, we compared unilateral and bilateral thyroarytenoid muscle injections of Botulinum toxin (Dysport) in 31 patients with adductor spasmodic dysphonia, who had undergone more than 5 consecutive Dysport (either or bilateral) completed concomitant self-rated efficacy complication scores questionnaires related to the previous injections. We also developed a Neurophysiological Scoring (NPS) system which has utility treatment administration.Data were gathered...
Abstract COVID-19 has restricted singing in communal worship. We sought to understand variations droplet transmission and the impact of wearing face masks. Using rapid laser planar imaging, we measured droplets while participants exhaled, said ‘hello’ or ‘snake’, sang a note ‘Happy Birthday’, with without surgical mean velocity magnitude (MVM), time averaged number (TADN) maximum (MDN). Multilevel regression models were used. In 20 participants, sound intensity was 71 dB for speaking 85 (p...
Voice clinicians long have been aware of the concept professional voice users: individuals who work in professions that a higher incidence and increased risk for disorders. This realization, coupled with documented impact work-related dysphonia on economy, has resulted growing international interest developing occupational health benchmarks use, similar to other standards developed factors such as noise-induced hearing loss. In this article, we review current perspectives examine some issues...
IntroductionVoice assessment and treatment involve the manipulation of all subsystems voice production, may lead to production respirable aerosol particles that pose a greater risk potential viral transmission via inhalation pathogens (eg, SARS-CoV-2) than quiet breathing or conversational speech.ObjectiveTo characterise during selection therapy tasks.MethodsWe recruited 23 healthy adult participants (12 males, 11 females), whom were speech-language pathologists specialising in disorders. We...
We reviewed the results and side-effect profile of Dysport preparation botulinum toxin A (BTA) in management adductor spasmodic dysphonia. performed 272 injection episodes 68 patients, 42 (62%) female, 26 (38%) male. total 116 these injections were unilateral, 156 bilateral; 94% considered to have been successful with a voice score 2 or higher. The mean duration effect (injection intervals) was 128.8 days unilateral cohort 118.7 bilateral (P > 0.05). injected relatively lower dose BTA for...
Two previously unassociated techniques have been combined to provide an objective analysis of the function whole vocal tract. Xeroradiography and electrolaryngography quantifiable visual information on soft tissue changes associated with voice disorders. Aberrent modes vibration in fold area are displayed by electrolaryngograph. The aberrant muscle patterns supraglottic regions seen xeroradiographs as quantitative anatomical parameters. Specific muscles involved excess tension is now...
This study investigates the impact of Botox injections on speech disability in a group patients with adductor spasmodic dysphonia. Patient-perceived was assessed Speech Disability Questionnaire. A factor analysis yielded five factors. Four these, social isolation (p < 0.001), negative communication 0.005), public avoidance 0.05) and limited understanding 0.01), showed significant change from prior to one week post injection. language therapists' assessment also changes voice quality over...