Captación patológica con 18-Fluorocolina frente a 99mTc-MIBI en la localización de las glándulas paratiroides en el hiperparatiroidismo. Revisión sistemática y metanálisis / Pathological uptake with 18-Fluorocholine versus 99mTc-MIBI in the location of the parathyroid glands in hyperparathyroidism. Systematic review and meta-analysis

Introduction: The location of the pathological parathyroid glands in hyperparathyroidism is usually carried out by means of 99mTc-sestamibi scintigraphy, which increases its precision by adding the ultrasound examination. The non-localization of the parathyroid glands increases the difficulties for surgical removal. To increase the detection of pathological glands, other radioactive tracers are used, such as methionine, fluorocholine or 18F-flurpiridaz. Objective: To establish if PET / CT with 18-Fluorocholine in patients with hyperparathyroidism increases the number of uptakes compared to the 99mTc-sestamibi scan. Method: Systematic review and meta-analysis. Two subgroups were analyzed. Subgroup 1: trials comparing both techniques as an initial exploration. Thirteen studies including 1131 examinations were selected (596 PET / CT with 18-Fluorocholine vs. 535 scintigraphy with 99mTc-sestamibi). Meta-analysis was performed following the random effects model and the odds ratio was calculated. Subgroup 2: studies that include 18-Fluorocholine as a rescue examination in patients with a previous negative study with a 99mTc-sestamibi scan. 17 articles including 412 examinations with 359 patients in which there was at least one uptake were selected. Meta-analysis of the prevalence of the number of patients in whom there was at least one uptake was performed using the random effects model. Results: Subgroup 1: The number of patients in which at least one uptake occurs is significantly higher with the 18-Fluorocholine examinations (OR 4.264, 95% CI 2.400-7.577). The prevalence of uptake with 18-Fluorocholine is 0.91 [0.86, 0.95] and with sestamibi 0.68 [0.56, 0.80]. Subgroup 2: the prevalence of uptake among patients with previous negative MIBI studies was 0.90 [0.87, 0.94]. The probability of detection of both techniques in this group reaches 0.98. Publication bias in the meta-analyzes is low. ... (AU)

Introducción: La localización de las glándulas paratiroides patológicas en el hiperparatiroidismo usualmente se realiza mediante gammagrafía con 99mTc-sestamibi que incrementa su precisión al añadir la exploración ecográfica. La no localización de las glándulas paratiroides incrementa las dificultades para la extirpación quirúrgica. Para incrementar la detección de glándulas patológicas se utilizan otros trazadores radiactivos como la metionina, la fluorocolina o el 18F-flurpiridaz.Objetivo: Establecer si el PET/TC con 18-Fluorocolina en pacientes con hiperparatiroidismo incrementa el número captaciones comparada con la gammagrafía con 99mTc-sestamibi.Método: Revisión sistemática y metanálisis. Se analizaron dos subgrupos. Subgrupo 1: ensayos que comparan ambas técnicas como exploración inicial. Se seleccionaron 13 estudios que incluyen 1131 exploraciones (596 PET/TC con 18-Fluorocolina vs. 535 gammagrafía con 99mTc-sestamibi). Se realizó metanálisis siguiendo el modelo de efectos aleatorios y se calculó la odds ratio. Subgrupo 2: estudios que incluyen la 18-Fluorocolina como exploración de rescate en pacientes con estudio previo negativo con gammagrafía con 99mTc-sestamibi. Se seleccionaron 17 artículos que incluyen 412 exploraciones con 359 pacientes en los que al menos hubo una captación. Se realizó metanálisis de la prevalencia del número de pacientes en los que hubo al menos una captación aplicando el modelo de efectos aleatorios.Resultados: Subgrupo 1: El número de pacientes en los que se presenta al menos una captación es significativamente superior con las exploraciones con 18-Fluorocolina (OR 4.264, IC 95% 2.400-7.577). La prevalencia de captaciones con 18-Fluorocolina es de 0.91 [0.86, 0.95] y con sestamibi de 0.68 [0.56, 0.80]. Subgrupo 2: la prevalencia de captaciones entre pacientes con estudios MIBI negativos previos fue de 0.90 [0.87, 0.94]. ... (AU)

Factors Impacting the Use or Rejection of Hearing Aids-A Systematic Review and Meta-Analysis.

PURPOSE: To examine the prevalence of adherence to hearing aids and determine their rejection causes. METHODS: This study was conducted according to the Preferred Reporting terms for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We performed an electronic search using PubMed, BVS, and Embase. RESULTS: 21 studies that met the inclusion criteria were selected. They analyzed a total of 12,696 individuals. We observed that the most common causes for positive adherence to hearing aid use included having a higher degree of hearing loss, patients being aware of their condition, and requiring the device in their daily life. The most common causes for rejection were the lack of perceived benefits or discomfort with the use of the device. The results from the meta-analysis show a prevalence of patients who used their hearing aid of 0.623 (95% CI 0.531, 0.714). Both groups are highly heterogeneous (I2 = 99.31% in each group, p < 0.05). CONCLUSIONS: A significant proportion of patients (38%) do not use their hearing aid devices. Homogeneous multicenter studies using the same methodology are needed to analyze the causes of rejection of hearing aids.

Prevalencia de la disfagia orofaríngea en pacientes adultos. Revisión sistemática y metanálisis / Prevalence of oropharyngeal dysphagia in adult patients. Systematic review and meta-analysis

Introducción y objetivo: La disfagia orofaríngea es un síntoma clínico de alta prevalencia, caracterizado por la dificultad en la deglución, que presenta diversos factores etiológicos. Su tratamiento se realiza de manera multidisciplinar, incluyendo diversos profesionales de ciencias de la salud. El objetivo es conocer la prevalencia de la disfagia orofaríngea en pacientes adultos. Método: Se realizó una búsqueda bibliográfica de estudios relativos a la prevalencia de disfagia orofaríngea en pacientes adultos. El cribado y la selección de estudios se realizó a través del método Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Se realizó un análisis estadístico de las variables consideradas relevantes para el estudio. Resultados: Un total de 29 estudios fueron seleccionados. La prevalencia total de la disfagia se presentó con una probabilidad de p = 0.39, en un intervalo de confianza de (IC 95% 0.303 – 0.476). Discusión: Existe asociación o correlación entre la disfagia y diversos estados clínicos o patologías del paciente. Se ha encontrado una relación directa entre la prevalencia de la disfagia y una edad avanzada. Conclusiones: La disfagia orofaríngea se presentó con una alta prevalencia según los estudios seleccionados. Las enfermedades neurológicas, la malnutrición y la neumonía fueron los principales estados comórbidos en los pacientes con disfagia. La función de enfermería permanece prácticamente ausente en los estudios seleccionados. (AU)

Introduction and objective: Oropharyngeal dysphagia is a highly prevalent clinical sumptom, characterized by difficulty in swallowing, presenting various etiological factors.Its treatment is carried out in a multidisciplinary manner, including various health sciences professionals. The aim of this study is to know the prevalence of oropharyngeal dysphagia in adult patients. Method: A bibliographic search of studies related to the prevalence of oropharyngeal dysphagia in adult patients was carried out. The screening and selection of studies was conducted, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) declaration guideline A statistical analysis of the variables considered relevant for the study was performed. Results: A total of 29 studies were selected. The total prevalence of dysphagia was presented with a probability of p = 0.39, within a confidence interval of (95% CI 0.303 – 0.476). Discussion: There is an association or correlation between dysphagia and various clinical states or pathologies of the patient. A direct relationship has been found between the prevalence of dysphagia and advanced age. Conclusions: Oropharyngeal dysphagia presented with a high prevalence according to the selected studies. Neurological diseases, malnutrition and pneumonia were the main comorbid conditions in patients with dysphagia. The nursing function was absent in most of the studies. (AU)

Incidentalomas en glándulas parótidas detectados mediante PET/TC con 18F-FDG. Revisión bibliográfica y metanálisis / Parotid incidentalomas detected by18F-FDG PET/TC. Review and Meta-analysis

Introducción y objetivo: Los incidentalomas parotídeos detectados mediante PET/TC con 18F-FDG de cuerpo entero se definen como focos hipermetabólicos incidentales e imprevistos presentes en las glándulas parótidas, en ausencia de lesión parotídea conocida, descubiertos al realizar una PET/TC por cualquier otra causa. EL objetivo principal de este estudio es eterminar la prevalencia de incidentalomas parotídeos en pacientes a los que se realizó una PET/TC con 18F-FDG corporal por cualquier otra causa. Método: Se realizó una búsqueda sistemática en las bases de datos PubMed, WoS y EMBASE, así como otras fuentes de datos, de artículos que incluían series retrospectivas de pacientes sometidos a PET/TC18F-FDG de cuerpo entero por otra causa y que presentaban captaciones incidentales en parótida. Se realizó estudio descriptivo de las variables recogidas de la muestra. Se realizó metanálisis para evaluar la prevalencia de captaciones parotídeas incidentales en toda la muestra. Resultados: Se seleccionaron 20 artículos que cumplían criterios de inclusión para estudio cualitativo; de los cuales se realizó estudio cuantitativo de 19. Los estudios suman un total de 151603 pacientes en los que se realizaron 154441 PET/TC 18F-FDG. En 859 pacientes (0,57% de los pacientes, IC 95% 0.53, 0.61%) hubo al menos una captación incidental en las glándulas parótidas. De los 859 pacientes iniciales, se estudiaron 537 pacientes, en los que se registró un total de 560 captaciones de 18F-FDG en las glándulas parótidas (0,36% de las exploraciones, IC 95% 0.34, 0.39%); el resto de los pacientes no pudieron ser estudiados por diferentes causas. Respecto a la distribución de las captaciones, fueron más frecuentes las captaciones únicas focales (82,7%, IC 95% 79.3, 85.6%) y las captaciones unilaterales (93,6%, IC 95% 91.2, 95.3%). La mayoría de los estudios histológicos resultaron benignos (50,4%, IC 95% 46.2, 54.5%). ... (AU)

Introduction and objective: Parotid incidentalomas detected by whole body 18F-FDG PET/CT are defined as an incidental and unforeseen hypermetabolic focus present in the parotid gland, performed for any other reason, in the absence of known parotid lesion. The main objective was to determine the prevalence of parotid incidentalomas in whole body 18F-FDG PET/CT scans performed for any other reason, excluding primary parotid tumors. Method: A systematic review in the databases Pubmed, WOS, EMBASE, as well as other data sources, of retrospective studies that included series of patients in whom 18F-FDG PET/CT had been performed by any other reason and presented incidental parotid uptake. A descriptive study of the variables collected from the sample was carried out. Meta-analysis was performed to assess the prevalence of parotid uptake in the entire sample. Results: 20 articles met inclusion criteria and were selected for qualitative study; of which 19 were quantitatively studied. Studies add up to a total of 151603 patients, who underwent 154441 18F-FDG PET/CT scans. 859 patients (0,57% of the patients, CI 95% 0.53, 0.61%) showed at least one incidental parotid uptake. Among these 859 initial patients, 537 were studied, in who 560 18F-FDG parotid uptakes were detected (0,36% of the imaging techniques, CI 95% 0.34, 0.39%); the remaining patients were not studied due to different reasons. Regarding the distribution of the uptakes, unique focal uptakes (82,.7%, CI 95% 79.3, 85.6%) and unilateral uptakes (93,6%, CI 95% 91.2, 95.3%) were more frequent. Most of pathological studies turned out to be benign (50,4%, CI 95% 46.2, 54.5%). According to this study, mean SUVmax value is useless to distinguish between malignant and benign or non-tumor uptakes. According to the meta-analysis, prevalence of patients with at least one incidental uptake with respect to the total of 18F-FDG PET/CT scans performed is 0,96% (CI 95%, 0.005, 0.014%). Conclusions: ... (AU)

Neuromonitorización intraoperatoria y parálisis laríngea bilateral posoperatoria en tiroidectomía total. Revisión sistemática y metanálisis / Intraoperative neuromonitoring and postoperative bilateral laryngeal paralysis in total thyroidectomy. Systematic review and meta-analysis

Introducción y objetivo: La parálisis bilateral del nervio laríngeo recurrente (PBNLR) es una complicación con gran morbimortalidad en la cirugía de tiroides, aunque infrecuente. La identificación visual del nervio laríngeo recurrente (NLR) continúa siendo el patrón oro en el manejo. El objetivo es evaluar si la neuromonitorización intraoperatoria (NMIO) reduce el riesgo de PBNLR durante TT (tiroidectomía total), mediante revisión sistemática y metanálisis. Método: Revisión sistemática de artículos que incluían series de TT con y sin NMIO para la identificación del NLR, sin restricción de fecha o idioma en PubMed, BVS, Cochrane, Clinicaltrials y WoS. Se evaluó la prevalencia de PBNLR. Se realizó estudio descriptivo de las variables incluidas y metanálisis según modelo de efectos aleatorios. Resultados: Se seleccionaron 45 estudios, y se analizaron dos subgrupos: series retrospectivas (31 estudios) y series prospectivas (14 estudios); con un total de 197161 pacientes. Las series prospectivas resultaron homogéneas y con bajo sesgo de publicación, con un total de 11149 pacientes. En los estudios prospectivos, la diferencia observada del riesgo de PBNLR con y sin NMIO equivale a una reducción absoluta del riesgo (RAR) del 2.1‰ y un número necesario de técnica para realizar (NNT) de 487.15. Conclusiones: La NMIO aporta una reducción del riesgo de PBNLR. (AU)

La revista biomédica tiene una función importante como herramienta docente / The Biomedical Journal has an important function as a teaching tool

La transmisión del conocimiento científico ha evolucionado desde la forma oral y los manuscritos en distintos soportes a la difusión mediante el libro facilitado por la imprenta a partir del siglo XV. (AU)

Atlas de otoscopia para estudiantes / Atlas of Otoscopy for Students

La otoscopia es un procedimiento exploratorio fundamental en la práctica médica. No sólo es importante para los otorrinolaringólogos, también lo es para los médicos de atención primaria y para los pediatras. Por ello es necesario adquirir las competencias necesarias para su correcta realización e interpretación. En este atlas de otoscopia se han recogido los conceptos más importantes para tener en cuenta en la realización de una otoscopia, las características de una otoscopia normal y las patologías más frecuentes e importantes. Los resultados esperables con la consulta de este atlas son el mejor aprovechamiento de las prácticas de simulación, así como disponer de una herramienta de consulta en la preparación de la prueba del ECOE (Examen Clínico Objetivo Estructurado).En este atlas de otoscopia se han recogido los conceptos más importantes a tener en cuenta en la realización de una otoscopia, las características de una otoscopia normal y las patologías más frecuentes e importantes.Los resultados esperables con la consulta de este atlas son el mejor aprovechamiento de la prácticas de simulación así como disponer de una herramienta de consulta en la preparación de la prueba del ECOE (Examen Clínico Objetivo Estructurado). (AU)

Otoscopy is an essential exploratory procedure in medical practice. It is not only important for otolaryngolo-gists, but also for primary care physicians and for pediatricians. Therefore, it is necessary to acquire the necessary skills for the correct performance and correct interpretation. In this otoscopy atlas the most important concepts to consider when performing an otoscopy have been collected, the characteristics of a normal otoscopy, and the most frequent and important pathologies. The expected results with the consultation of this atlas are the best use of simulation practices as well as having a consultation tool in the preparation of the ITER test (In-Training Evaluation Reports). (AU)

Implant loss and crestal bone loss in early loading versus delayed and immediate loading in edentulous mandibles. A systematic review and meta-analysis.

BACKGROUND: Information about the risk of early loss and crestal bone loss of dental implants which have been loaded early is scant if compared with data available for those conventionally or immediately loaded. A meta-analysis of early loss and crestal bone loss in immediate or delayed loaded full mandibular denture retaining dental implants has been recently published. It is interesting to evaluate also the risks of early versus immediate and delayed loading in complete mandibular restorations. The purpose of this systematic review and meta-analysis was to study early (EL) versus immediate (IL) and delayed loading (DL) protocols in edentulous mandibles to determine whether differences exist in implant success and crestal bone loss. MATERIAL AND METHODS: The literature review was conducted in PubMed, Web of Science, and the Cochrane Library. Seven randomized clinical trials were included. RESULTS: The result of a meta-analysis of implant loss before 1 year in EL versus IL was 0.34 (95% CI: 0.08, 1.52), favoring the EL control group, while the outcome for crestal bone loss at the three-year observation was -0.10 (95% CI: -0.28, 0.09), with a tendency toward reduced bone loss for EL. In the EL versus DL group, the result of the meta-analysis of implant loss before one year was inconclusive, while in the comparison regarding crestal bone loss in the first year of observation, the result was -0.03 (95% CI: -0.08,-0.02) with a tendency to less bone loss in EL. CONCLUSIONS: The risk of early implant loss in the IL group was higher than in the EL group. The results in terms of early implant loss in EL versus DL are inconclusive. Besides, crestal bone loss is greater in immediately and delayed loaded implants, at 1 and 3 years of observation, compared to those loaded early. Key words:Dental implants, early dental implant loading, dental prostheses, implant- supported, alveolar bone loss, meta-analysis.

Implant loss and crestal bone loss in immediate versus delayed load in edentulous mandibles: A systematic review and meta-analysis.

STATEMENT OF PROBLEM: The current trend is to shorten the loading times of dental implants. However, information about the risk of early loss of implants that have been loaded immediately is scant if compared with data available for those conventionally loaded. PURPOSE: The purpose of this systematic review and meta-analysis was to study immediate (IL) and delayed loading (DL) protocols in edentulous mandibles to determine whether differences exist in implant success and crestal bone loss and to evaluate these possible differences in relation to the type of prosthesis and the splinting of the implants. MATERIAL AND METHODS: The literature review was conducted in PubMed, Scopus, and the Cochrane Library. Nine randomized clinical trials were included. RESULTS: The result of a meta-analysis of implant loss before 1 year was 2.63 (95% CI: 1.22, 5.68), favoring the DL control group, while the outcome for crestal bone loss at the observation year was 0.42 (95% CI: -0.35, 1.20), with a tendency toward reduced bone loss for DL. CONCLUSIONS: The risk of early loss in the IL group was higher than that in the DL group. For removable prostheses and nonsplinted implants, DL was preferred. The quality of scientific evidence significantly favors DL.

Tiroidología y paratiroidología en cirugía de tiroides y paratiroides / Thyroidology and parathyroidology in thyroid and parathyroid surgery

La atención al paciente con patología de las glándulas tiroides y paratiroides es multidisciplinar. La formación y actualización de los conocimientos sobre el diagnóstico y tratamiento de las patologías de tiroides y paratiroides es una necesidad en todas las especialidades implicadas. Página web del curso 'Bases de Tiroidología y Paratiroidología en cirugía de tiroides y paratiroides': http://tiroides.org.es/

Attention to patients with pathology of thyroid and parathyroid glands is multidisciplinary. The training and updating of knowledge on the diagnosis and treatment of thyroid and parathyroid pathologies is a necessity in all the specialties involved. Web page of the course 'Bases of Thyroidology and Parathyroidology in thyroid and parathyroid surgery': http://tiroides.org.es/

Parálisis laríngea detectada en la laringoscopia preoperatoria en enfermedad de tiroides maligna y benigna. Revisión sistemática y metaanálisis / Laryngeal paralysis detected in preoperative laryngoscopy in malignant and benign thyroid disease. Systematic review and meta-analysis

Hay controversia sobre la realización de laringoscopia preoperatoria (LP) en cirugía de tiroides. Las recomendaciones, basadas en estudios observacionales, varían entre unas publicaciones y otras. El objetivo del estudio es conocer la prevalencia de parálisis laríngea hallada en LP de pacientes a los que se realizó tiroidectomía en enfermedad benigna y maligna. Se realizó la revisión sistemática con 29 artículos incluidos para el estudio cualitativo y metaanálisis de 13 artículos en los que pudieron obtenerse los datos para evaluar el mismo efecto (LP realizada en todos los pacientes incluidos; se recoge a los pacientes con parálisis laríngea preoperatoria, figura el número total de pacientes y pueden asignarse las parálisis preoperatorias a los grupos de histología posoperatoria maligna o benigna). La prevalencia agrupada de parálisis preoperatoria en enfermedad benigna fue del 1,1% (IC del 95%, 0,7 a 1,7%; I2 71%) y en enfermedad maligna 6,3% (IC del 95%, 3,8 a 9,4%; I2 85%). La prevalencia es significativamente superior entre pacientes con enfermedad maligna con un efecto estimado RR 5,66, IC del 95%, 2,48, 12,88. Los estudios analizados presentan sesgos que será necesario corregir en investigaciones futuras, eliminando los sesgos de cegamiento en la selección y asignación de pacientes o en la técnica de laringoscopia empleada. La LP en cirugía de tiroides evalúa posibles trastornos de motilidad laríngea. La prevalencia de la parálisis laríngea en enfermedad de tiroides hallada en la LP en pacientes con diagnóstico posoperatorio de enfermedad maligna es más elevada que en el grupo de enfermedad benigna. Esta información es necesaria para interpretar la señal de neuromonitorización intraoperatoria y tomar decisiones

There is controversy regarding the performance of preoperative laryngoscopy (LP) in thyroid surgery, with different recommendations being made, based on observational studies, in various publications. The aim of the study was to know the prevalence of laryngeal paralysis found in the LPs of patients who underwent thyroidectomy in benign and malignant pathology. A systematic review was carried out with 29 articles included for the qualitative study and a meta-analysis of 13 articles in which the data could be obtained to evaluate the same effect (in all patients in which an LP was carried out, those with preoperative laryngeal paralysis were included, and assigned to malignant or benign postoperative histology groups). The pooled prevalence of preoperative paralysis in benign pathology was 1.1% (95% CI 0.7 to 1.7%, 71% I2) and in 6.3% malignant pathology (95% CI 3.8 to 9.4%; I2 85%). The prevalence was significantly higher among patients with malignant pathology with an estimated effect RR 5.66, 95% CI, 2.48, 12.88. The studies analyzed present biases that will need to be corrected in future research, eliminating blinding biases in the selection and allocation of patients or in the laryngoscopy technique used. The LP in thyroid surgery evaluates possible disorders of laryngeal motility. The prevalence of laryngeal paralysis in thyroid pathology found in LPs in patients with a postoperative diagnosis of malignant pathology was higher than in the benign pathology group. This information is necessary for interpreting the intraoperative neuromonitoring signal and for making informed decisions

Laryngeal paralysis detected in preoperative laryngoscopy in malignant and benign thyroid disease. Systematic review and meta-analysis. / Parálisis laríngea detectada en la laringoscopia preoperatoria en enfermedad de tiroides maligna y benigna. Revisión sistemática y metaanálisis.

There is controversy regarding the performance of preoperative laryngoscopy (LP) in thyroid surgery, with different recommendations being made, based on observational studies, in various publications. The aim of the study was to know the prevalence of laryngeal paralysis found in the LPs of patients who underwent thyroidectomy in benign and malignant pathology. A systematic review was carried out with 29 articles included for the qualitative study and a meta-analysis of 13 articles in which the data could be obtained to evaluate the same effect (in all patients in which an LP was carried out, those with preoperative laryngeal paralysis were included, and assigned to malignant or benign postoperative histology groups). The pooled prevalence of preoperative paralysis in benign pathology was 1.1% (95% CI 0.7 to 1.7%, 71% I2) and in 6.3% malignant pathology (95% CI 3.8 to 9.4%; I2 85%). The prevalence was significantly higher among patients with malignant pathology with an estimated effect RR 5.66, 95% CI, 2.48, 12.88. The studies analyzed present biases that will need to be corrected in future research, eliminating blinding biases in the selection and allocation of patients or in the laryngoscopy technique used. The LP in thyroid surgery evaluates possible disorders of laryngeal motility. The prevalence of laryngeal paralysis in thyroid pathology found in LPs in patients with a postoperative diagnosis of malignant pathology was higher than in the benign pathology group. This information is necessary for interpreting the intraoperative neuromonitoring signal and for making informed decisions.

Anotaciones para estructurar una revisión sistemática / Annotations to structure a systematic review

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Guía de rehabilitación vestibular / Vestibular Rehabilitation Guide

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Recomendaciones sobre el uso de la neuromonitorización en cirugía de tiroides y paratiroides / Recommendations on the use of neuromonitoring in thyroid and parathyroid surgery

INTRODUCCIÓN: La cirugía de tiroides y paratiroides (CTPT) se asocia a riesgo de lesión del nervio laríngeo recurrente, nervio laríngeo superior y cambios en la voz. La neuromonitorización intraoperatoria (NMIO), intermitente o continua, en CTPT evalúa el estado funcional de los nervios laríngeos y se utiliza progresivamente con más frecuencia. Esto obliga a adoptar puntos de acuerdo en los aspectos más controvertidos. OBJETIVO: Elaborar un documento de ayuda para orientar en la utilización de la NMIO en CTPT. MÉTODO: Consenso en grupo de trabajo mediante revisión sistemática y método Delphi. RESULTADOS: Se identificaron 7 secciones sobre las que se establecieron puntos de acuerdo: indicaciones, equipo, técnica (parámetros de programación y registro), conducta en pérdida de señal, laringoscopia, voz e implicaciones legales. CONCLUSIONES: La NMIO ayuda en la localización e identificación del nervio laríngeo recurrente, ayuda durante su disección, informa sobre su estado funcional al finalizar la cirugía y permite tomar decisiones en caso de pérdida de señal en el primer lado operado en una tiroidectomía bilateral programada o si había parálisis contralateral previa. La precisión de la NMIO depende de variables como la técnica realizada, la tecnología utilizada y la formación para la correcta ejecución de la técnica e interpretación de la señal. El documento presentado es un punto de inicio para futuros acuerdos en CTPT en cada una de las secciones de consenso

INTRODUCTION: Thyroid and parathyroid surgery (TPTS) is associated with risk of injury to the recurrent laryngeal nerve, superior laryngeal nerve and voice changes. Intraoperative neuromonitoring (IONM), intermittent or continuous, evaluates the functional state of the laryngeal nerves and is being increasingly used. This means that points of consensus on the most controversial aspects are necessary. OBJECTIVE: To develop a support document for guidance on the use of IONM in TPTS. METHOD: Work group consensus through systematic review and the Delphi method. RESULTS: Seven sections were identified on which points of consensus were identified: indications, equipment, technique (programming and registration parameters), behaviour on loss of signal, laryngoscopy, voice and legal implications. CONCLUSIONS: IONM helps in the location and identification of the recurrent laryngeal nerve, helps during its dissection, reports on its functional status at the end of surgery and enables decision-making in the event of loss of signal in the first operated side in a scheduled bilateral thyroidectomy or previous contralateral paralysis. The accuracy of IONM depends on variables such as accomplished technique, technology and training in the correct execution of the technique and interpretation of the signal. This document is a starting point for future agreements on TPTS in each of the sections of consensus

Recommendations on the use of neuromonitoring in thyroid and parathyroid surgery. / Recomendaciones sobre el uso de la neuromonitorización en cirugía de tiroides y paratiroides.

INTRODUCTION: Thyroid and parathyroid surgery (TPTS) is associated with risk of injury to the recurrent laryngeal nerve, superior laryngeal nerve and voice changes. Intraoperative neuromonitoring (IONM), intermittent or continuous, evaluates the functional state of the laryngeal nerves and is being increasingly used. This means that points of consensus on the most controversial aspects are necessary. OBJECTIVE: To develop a support document for guidance on the use of IONM in TPTS. METHOD: Work group consensus through systematic review and the Delphi method. RESULTS: Seven sections were identified on which points of consensus were identified: indications, equipment, technique (programming and registration parameters), behaviour on loss of signal, laryngoscopy, voice and legal implications. CONCLUSIONS: IONM helps in the location and identification of the recurrent laryngeal nerve, helps during its dissection, reports on its functional status at the end of surgery and enables decision-making in the event of loss of signal in the first operated side in a scheduled bilateral thyroidectomy or previous contralateral paralysis. The accuracy of IONM depends on variables such as accomplished technique, technology and training in the correct execution of the technique and interpretation of the signal. This document is a starting point for future agreements on TPTS in each of the sections of consensus.

Comentarios sobre el hallazgo de nervio laríngeo derecho no recurrente durante la tiroidectomía / Comments on the finding of right non recurrent laryngeal nerve during thyroidectomy

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