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Revista Colombiana de Cirugía
versão impressa ISSN 2011-7582versão On-line ISSN 2619-6107
Resumo
CHALA-GALINDO, Andrés Ignacio; GONZALEZ-SERNA, Andrés Felipe; ABADIA-BETANCUR, Cristian e HERRERA-DIAZ, Mariana. Evaluation of the diagnostic acuity of the Transcutaneous Translaryngeal Ultrasound (TCTLUS) in the assessment of the vocal cords mobility in thyroid and parathyroid surgery. rev. colomb. cir. [online]. 2024, vol.39, n.1, pp.70-84. Epub 01-Dez-2023. ISSN 2011-7582. https://doi.org/10.30944/20117582.2388.
Introduction.
The evaluation of the mobility of the vocal cords in thyroid and parathyroid surgery is part of the adequate comprehensive assessment. Altough, direct laryngoscopy is the gold standard, its real use is not routine, so translaryngeal ultrasound approach is proposed as an alternative.
Methods.
A prospective diagnostic test study was carried out to evaluate the translaryngeal ultrasound compared with video laryngoscopy in visualizing vocal mobility in patients with thyroid and parathyroid surgery from February 1 to November 30, 2022. Patients were described using absolute and relative frequencies. Univariate statistical analysis with Chi-square and Student's t tests. T. Bivariate analysis using binary logistic regression. Diagnostic acuity was calculated with sensitivity, specificity, PPV, NPV. Statistical significance with p< 0.05, 95% confidence interval.
Results.
267 patients undergoing thyroid or parathyroid surgery were included, 219 women and 48 men. Malignant: thyroid neoplasm 196 patients (73.4%). The findings were for the preoperative period, 100% sensitivity, 99.6% specificity, PPV 83.33%, NPV 100%, 83% positive probability odds, and 0.004% negative probability odds. For the postoperative period, 82.8% sensitivity, 99.2% specificity, 92.3% PPV, 97.9% NPV, 92% positive probability odds, and 0.2% negative probability odds were found.
Conclusions.
Translaryngeal ultrasound in our series has high diagnostic acuity. It could be used as the initial approach to evaluate vocal mobility and might replace direct laryngoscopy, leaving it when its visualization is not adequate or in cases of involvement or suspected invasion for confirmation.
Palavras-chave : thyroid gland; thyroid diseases; larynx; vocal cords; ultrasonography; diagnostic imaging.