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Transoral laser microsurgery for glottic squamous cell carcinoma is the standard of care at many institutions. Repeat transoral laser microsurgery for recurrence may avoid the need for radiotherapy and total laryngectomy. This study aimed to identify oncological and functional outcomes in a cohort of patients who had undergone repeat transoral laser microsurgery procedures.
A retrospective review of prospectively collected data of patients treated with transoral laser microsurgery for carcinoma in situ or tumour stages T1 or T2 glottic cancer, from 2003 to 2018.
Twenty patients were identified. Additional treatment was not needed in 45 per cent of patients. The five-year overall survival rate was 90 per cent. The disease-specific survival rate was 100 per cent. The laryngeal preservation rate was 85 per cent. There was improvement in mean Voice Handicap Index-10 scores following repeat transoral laser microsurgery treatment, when comparing the pre- and post-operative periods (mean scores = 15.5 vs 11.5, p = 0.373).
Repeat transoral laser microsurgery can be an oncologically safe alternative to other salvage therapies for glottic squamous cell carcinoma recurrence, without sacrificing functional outcomes.
Medical equipment can transmit pathogenic bacteria to patients. This single-institution point prevalence study aimed to characterise the types and relative amount of bacteria found on surgical loupes, headlights and their battery packs.
Surgical loupes, headlights and battery packs of 16 otolaryngology staff and residents were sampled, cultured and quantified. Plate scores were summed for each equipment type, and the total was divided by the number of users to generate mean bacterial burden scores. Residents completed a questionnaire regarding their equipment cleaning practices.
The contamination rates of loupes, headlights and battery packs were 68.75 per cent, 100 per cent and 75 per cent, respectively. Battery packs cultured more bacteria (1.58 per swab ± 1.00) than loupes (0.75 per swab ± 0.66; p = 0.024). Headlights had non-significantly greater growth (1.50 per swab ± 0.71) than loupes (p = 0.052). Bacterial growth was significantly higher from inner surfaces of loupes (p = 0.035) and headlights (p = 0.037). Potentially pathogenic bacteria were cultured from the equipment of five participants, including: Pantoea agglomerans, Acinetobacter radioresistens, Staphylococcus aureus, Acinetobacter calcoaceticus baumannii complex and Moraxella osloensis.
This study demonstrates that surgical loupes and headlights used in otolaryngology harbour non-pathogenic skin flora and potentially pathogenic bacteria.
Transoral laser microsurgery is an increasingly common treatment modality for glottic carcinoma. This study aimed to determine the effect of age, gender, stage and time on voice-related quality of life using the Voice Handicap Index-10.
Primary early glottic carcinoma patients treated with transoral laser microsurgery were included in the study. Self-reported Voice Handicap Index testing was completed pre-operatively, three months post-operatively, and yearly at follow-up appointments.
Voice Handicap Index improvement was found to be dependent on age and tumour stage, while no significant differences were found in Voice Handicap Index for gender. Voice Handicap Index score was significantly improved at 12 months and 24 months. Time versus Voice Handicap Index modelling revealed a preference for non-linear over linear regression.
Age and stage are important factors, as younger patients with more advanced tumours show greater voice improvement post-operatively. Patient's Voice Handicap Index is predicted to have 95 per cent of maximal improvement by 5.5 months post-operatively.
This study aimed to evaluate the oncological and voice outcomes of transoral laser microsurgery for tumour stage T1b stage glottic cancer patients.
A prospective cohort study in a tertiary care head and neck cancer centre included tumour–node–metastasis stage T1bN0M0 glottic cancer patients scheduled to undergo transoral laser microsurgery from January 2002 until June 2014. Kaplan–Meier five-year analyses of local control, overall survival, disease-specific survival and laryngeal preservation were performed. Voice Handicap Index-10 scores and maximum phonation times were also recorded.
Twenty-one participants with a mean age of 66.8 years were enrolled. The mean follow up was 56.5 months. Kaplan–Meier 5-year survival analysis illustrated a local control rate of 82 per cent, overall survival of 88 per cent, disease-specific survival of 100 per cent, and laryngeal preservation of 100 per cent. The pre-operative Voice Handicap Index-10 score was 19.1 ± 9.47 (mean ± standard deviation (SD)) and the post-operative scores were 13.5 ± 9.29 at three months, 10.44 ± 9.70 at one year and 5.83 ± 4.91 at two years. The pre-operative maximum phonation time was 16.23 ± 5.46 seconds (mean ± SD) and the post-operative values were 14.44 ± 6.73 seconds at three months, 15.27 ± 5.71 seconds at one year and 14.33 ± 6.44 seconds at two years.
Transoral laser microsurgery yields relatively high rates of oncological control and acceptable voice outcomes, and thus shows utility as a primary treatment modality for T1b glottic cancer.
To report our outcomes with salvage CO2 laser surgery following recurrence of laryngeal and oropharyngeal cancer after radiotherapy.
This study entailed a prospective review of patients treated with transoral laser microsurgery for recurrent laryngeal and oropharyngeal cancer between 2002 and 2010 at the Queen Elizabeth II Health Science Centre in Canada.
Sixteen patients were identified, with a mean follow up of 30.6 months. Five patients died of recurrence. Complications were common in patients with oropharyngeal cancer. The overall survival and disease-free survival rates at an average of 29.8 months follow up were 50 per cent and 68.8 per cent respectively.
Salvage surgery using transoral laser microsurgery should be considered in the management of patients with recurrent laryngeal and oropharyngeal cancer. This technique offers acceptable salvage rates with less comorbidity than other treatments.
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