To determine the current practice, safety and efficacy of interventions used in the management of recurrent respiratory papillomatosis (RRP) in the UK NHS.
Prospective registry (recruitment between 1st April 2018 and 31st August 2022, retrospective data from 1st January 2015 permitted with consent). Sub-group data-linked to Hospital Episode Statistics for additional follow-up (until 31st July 2022).
UK NHS hospitals treating RRP patients.
Children and adults diagnosed with RRP and managed in an NHS hospital.
Disease severity (Derkay, voice handicap and GRBAS scores), management (type and frequency of surgical and adjuvant intervention) and complications (cancer, death).
Three hundred and thirty patients were entered into the registry; 304 (including 65 children) were eligible for analysis. Children had more severe disease than adults (median Derkay score 10 vs. 5). Microdebrider was the most common surgical intervention, particularly in children (86% of children, 49% of adults). Additionally, lasers (CO2, KTP and pulsed dye) were used in 34% of adults. Gardasil was the most common adjuvant therapy (21 children, 23 adults). Procedural complications were rare (10.8% children, 5.9% adults). Five patients developed laryngeal malignancy; there were six deaths during follow-up period.
This is the largest UK RRP study to date. RRP is more aggressive in children than adults, and treatment choice differs between age groups. Overall, management was safe with minimal complications reported, and generally effective in maintaining a safe airway. Standardised reporting is required to objectively monitor disease progression and safety over time.
Trial Registration: NCT03465280, ISRCTN36100560
The role of microbial profiles in Chronic Rhinosinusitis with Nasal Polyps (CRSwNP) pathogenesis is increasingly recognised, with microbial imbalances perpetuating inflammation. We performed this study to associate the different nasal microbiological profile changes with the response to surgical or monoclonal treatment.
This prospective observational study evaluated changes in the nasal microbial profiles of 44 patients (22 dupilumab, 22 surgery) over 6 months. Clinical assessments were performed at baseline and follow-ups, including Sino-Nasal Outcome Test-22 (SNOT-22) scores and Sniffin Sticks-Identification (SS-I) olfactory testing. Microbial profiling of nasal swabs was carried out by microbial culture and subsequent molecular identification by Polymerase chain reaction (PCR) and sequencing.
Baseline characteristics of 44 patients (22 dupilumab, 22 surgery) enrolled in this study were similar between groups. In the dupilumab group, Staphylococcus epidermidis prevalence rose from 37.03% to 59.25%, while Pseudomonas aeruginosa was eradicated. Moreover, dupilumab stabilised Staphylococcus aureus at 63.64%, while its prevalence increased in the surgery group (from 22.72% to 50%). When bacterial groups were associated with clinical scores, P. aeruginosa carriers had worse SNOT-22 (21.00 ± 1.41) and SS-I (5.50 ± 0.71) scores. Instead, S. epidermidis-colonised patients exhibited significantly lower mean SNOT-22 (15.39 ± 8.54) and greater SS-I scores (8.39 ± 3.77). The best outcomes were found in the subgroup of S. epidermidis carriers undergoing the dupilumab treatment.
The two treatments modulated the microbial profiles differently, and, most importantly, clinical responses might depend on the association between treatment and the dominant bacterial species colonising the nasal cavity. Further investigation into microbial-restorative strategies could enhance outcomes for better treatment of CRS.
This study aims to explore the role of serum aquaporin 8 (AQP8) expression in evaluating the degree of hydrolabyrinth and predicting prognosis in patients with Meniere's disease.
One hundred and five patients diagnosed with Meniere's disease in our hospital were enrolled in the Meniere's disease group. Another 102 healthy subjects were enrolled as the control group. The expression of serum AQP8 mRNA was determined by the quantitative real-time PCR (qRT-PCR) method. Receiver operating characteristic (ROC) curve analysis was carried out to analyse the predictive value of serum AQP8 mRNA expression for poor prognosis in Meniere's disease patients. Multivariate logistic regression was used to analyse the influencing factors of poor prognosis in patients with Meniere's disease.
The expression level of serum AQP8 mRNA in the Meniere's disease group was significantly higher than that in the control group (p < 0.05). In the severe hydrops group, serum AQP8 mRNA expression levels were higher than in the mild hydrops group and the no endolymphatic hydrops group. Additionally, the mild hydrops group had higher serum AQP8 mRNA levels than the no endolymphatic hydrops group (p < 0.05). The disease course, proportion of severe hydrops and serum AQP8 mRNA expression were all higher in the poor prognosis group compared to the good prognosis group (p < 0.05). The area under the curve (AUC) for serum AQP8 mRNA in predicting poor prognosis in Meniere's disease patients was 0.812 (95%CI: 0.702–0.922).
AQP8 mRNA is associated with the degree of hydrolabyrinth in patients with Meniere's disease and plays an important role in predicting prognosis.
The aim of this investigation was to explore the potential correlation between the signal intensity ratio (SIR) at the internal auditory canal (IAC) fundus and hearing impairment in Meniere's disease (MD), thereby providing a foundation to further understand the mechanisms underlying hearing loss.
Fifty patients diagnosed with unilateral definite MD were enrolled in the study. 3D-FLAIR MRI was conducted 4 h after intravenous administration of gadobutrol to determine the SIR of the bilateral IAC fundus. The difference in the SIR of the IAC fundus between the affected and unaffected sides was assessed, followed by an analysis of its correlation with low-, middle-, and high-tone hearing thresholds. Correlation analysis was also conducted between the degree of endolymphatic hydrops (EH) in the vestibule and cochlea and the SIR on the affected side.
The degree of EH in MD can be clearly visualised using 3D-FLAIR MRI. The SIR on the affected side was significantly higher than that on the unaffected side (p = 0.000). Furthermore, a positive correlation was observed between the SIR at the affected and low (r = 0.692, p = 0.000), middle (r = 0.615, p = 0.000) and high-tone (r = 0.440, p = 0.001) hearing thresholds, while the SIR showed no significant correlation with cochlear (r = 0.315, p = 0.088) or vestibular hydrops (r = 0.215, p = 0.244).
The IAC fundus barrier may be damaged in patients with MD, representing one of the factors affecting the level of hearing.
Pharyngocutaneous fistula (PCF) is one of the most challenging complications observed after a total laryngectomy. Since the biochemical components of platelet-rich fibrin (PRF) have well-known synergistic effects on the healing processes, this study aimed to demonstrate the contribution of PRF application to pharyngeal healing in patients undergoing a total laryngectomy for laryngeal cancer.
The study compared patients who underwent a total laryngectomy due to laryngeal squamous cell carcinoma and had a PRF membrane placed during the pharyngoesophageal closure with those who did not. There were two groups: PRF-positive and PRF-negative. In the PRF-positive group, after the completion of the total laryngectomy and moving on to the pharyngoesophageal closure stage, along the suture line, PRF material is laid in two pieces in a T-shape and secured with several sutures. No PRF application was done in the PRF-negative group. Pharyngeal healing steps (nasogastric feeding, oral feeding, development of a fistula), haemoglobin and albumin values, tumour involvement areas, time to oral intake and length of hospital stay were recorded for all patients.
This study reviewed the records of 33 patients who underwent pharyngoesophageal closure with PRF application after a total laryngectomy (PRF-positive group) and 35 patients without PRF application (PRF-negative group). When comparing patients in terms of developing a PCF, 6% (n = 2) of patients in the PRF-positive group and 25.7% (n = 9) in the PRF-negative group developed a fistula. This ratio was significantly higher in the PRF-negative group (p = 0.027).
The application of PRF in pharyngoesophageal reconstruction after a total laryngectomy may strengthen wound healing and reduce the risk of PCF development.
This study is a retrospective designed study; therefore, there is no clinical trial registration
The increase of bilateral cochlear implantation (CI) in recent years has made it essential to comprehend the effects of CI on otolith function. This study aimed to investigate the development of gross motor and otolith function in patients with inner ear malformations (IEMs) using vestibular-evoked myogenic potentials (VEMPs).
Overall, 78 patients with sensorineural hearing loss (SNHL) (age 5.7 ± 4.1 years) were divided into two groups based on the presence (IEM group, n = 39) or absence (control group, n = 39) of IEMs. VEMP testing was performed both before and 1–3 months after CI, and the evaluation of gross motor development was carried out.
The mean ages for achieving head control and independent walking were delayed in the IEM group compared with the control group (p = 0.02). The preoperative cervical VEMP (cVEMP) and ocular VEMP (oVEMP) response rates were higher in the control group (60% and 86.95%) than in the IEM group (57.69% and 74.35%) (p < 0.05). Additionally, abnormal cVEMP was associated with delayed acquisition of independent walking (p = 0.017). Saccular and utricular functions after CI were lost by 40% and 31.75%, respectively, in patients who elicited preoperative VEMPs waveform (n = 25).
Among SNHL patients, balance development is more delayed in patients of IEMs than in patients without IEMs. The cVEMP and oVEMP waveforms differed greatly between the two groups. The otolith-vestibular nerve conduction pathway can be affected by CI, potentially leading to otolith function impairment. Therefore, it is essential to assess otolith and balance functions before CI, and this evaluation should be considered an integral part of clinical practice.
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