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Acta Otorrinolaringológica Española From the operating theatre to the office: Functional outcomes, tolerability, and...
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Original article
Available online 14 November 2025
From the operating theatre to the office: Functional outcomes, tolerability, and cost-effectiveness of the blue laser in benign laryngeal surgery
Del quirófano a la consulta: resultados funcionales, tolerabilidad y coste-efectividad del láser azul en la cirugía de la patología benigna de la laringe
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Eduardo Lehrera,b,c,
Corresponding author
elehrer@clinic.cat

Corresponding author.
, Tomeu Albertoa, Ada Caberod, Mónica Egead, Marina Paredesb, Sara Jubésb, Isabel Vilasecaa,b,c,e,f
a Facultad de Medicina, Universitat de Barcelona, Barcelona, Spain
b Servicio de Otorrinolaringología, Clínic Barcelona, Barcelona, Spain
c Unidad Funcional de Tumores de Cabeza y Cuello, Clínic Barcelona, Barcelona, Spain
d Servicio de Rehabilitación, Clínic Barcelona, Barcelona, Spain
e Genómica Traslacional y Terapias Dirigidas En Tumores Sólidos, Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), Barcelona, Spain
f Head Neck Clínic, Agència de Gestió d’Ajuts Universitaris i de Recerca, Barcelona, Spain
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Tables (4)
Table 1. Sample characteristics.
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Table 2. Patients perceived tolerability after transnasal flexible laser surgery.
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Table 3. Comparison of effectiveness according to surgical technique.
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Table 4. Cost-effectiveness analysis.
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Abstract
Background and objectives

The 445 nm blue laser has expanded therapeutic possibilities in the office. However, comparative studies with laser surgery in the operating theatre are scarce. The present study aims to analyse both techniques applied to the treatment of benign laryngeal lesions in terms of efficacy, tolerability, and efficiency.

Materials and methods

Prospective, non-randomised observational study of 93 consecutive patients with benign laryngeal lesions treated in the office (TNFLS) or in the operating theatre using transoral blue laser microsurgery (TOBLM), (48 TNFLS, 38 TOBLM, 7 combined cases). Vocal outcomes were assessed using the abbreviated vocal handicap index (VHI-10), a visual analogue scale (VAS) and the acoustic voice quality index (AVQI) obtained from acoustic analysis, as well as the tolerability and efficiency of the procedures. The variables were evaluated before and 3 months after surgery.

Results

Both groups showed improvements at 3 months postoperatively in VHI-10, VAS, and AVQI, with no differences between techniques. TNFLS had a high tolerability rate (95.4%) and was significantly more cost-effective, with a cost-per-point of improvement in the VHI-10 of €86.30 vs. €200.42.

Conclusions

TNFLS with blue laser is an effective, well-tolerated, and cost-effective alternative to conventional surgery for benign laryngeal lesions. These results support its implementation in dynamic healthcare settings that prioritize efficiency.

Keywords:
Polyp
Oedema
Papilloma
Phonosurgery
Photocoagulation laser
Local anaesthesia
Cost-effectiveness
Resumen
Antecedentes y objetivos

El láser azul de 445 nm ha ampliado las posibilidades terapéuticas otorrinolaringológicas en consulta ambulatoria, pero poco se conoce respecto a sus resultados bajo anestesia general. El presente trabajo pretende analizar la utilidad del láser azul en la consulta y en el quirófano para el tratamiento de lesiones benignas de la laringe en términos de eficacia, tolerabilidad y eficiencia.

Materiales y métodos

Estudio prospectivo, observacional no aleatorizado de 93 pacientes consecutivos con lesiones benignas de la laringe tratados con láser azul en la consulta (TNFLS) o en el quirófano mediante microcirugía transoral con láser azul (MTLA),(48 TNFLS, 38 MTLA, 7 casos combinados). Se evaluaron los resultados vocales mediante el índice de incapacidad vocal abreviado (VHI-10), una escala visual analógica (EVA) y el “acousticvoicequalityIndex” (AVQI) obtenido del análisis acústico, así como la tolerabilidad y la eficiencia de los procedimientos antes y a los 3 meses de la intervención.

Resultados

Ambos grupos mostraron mejorías a los 3 meses postoperatorios en el VHI-10, la EVA y el AVQI, sin diferencias entre las técnicas. La TNFLS presentó una alta tasa de tolerabilidad (95,4%) y fue notablemente más coste-efectiva, con un coste por punto de mejora en el VHI-10 de 86,30€ vs. 200,42€.

Conclusiones

La TNFLS con láser azul es una alternativa eficaz, bien tolerada y coste-efectiva frente a la cirugía convencional en lesiones benignas de la laringe. Estos resultados respaldan su implementación en entornos asistenciales dinámicos que prioricen la eficiencia.

Palabras clave:
Pólipo
Edema
Papiloma
Fonocirugía
Láser fotoangiolítico
Anestesia local
Coste-efectividad

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