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Prospective Voice Assessment After Thyroidectomy Without Recurrent Laryngeal Nerve Injury.
Ivana Šimić Prgomet1, Stjepan Frkanec2, Ika Gugić Radojković2
1Phoniatric Center, Department of ENT and Head and Neck Surgery, University Hospital Center Zagreb, 10000 Zagreb, Croatia.
Diagnostics (Basel, Switzerland)
|January 11, 2025
Summary
Thyroidectomy can cause voice disorders even without nerve injury. Total thyroidectomy, longer surgery, larger thyroid size, and higher BMI predict these voice changes, impacting patient outcomes.
Area of Science:
- Otolaryngology
- Endocrine Surgery
- Speech-Language Pathology
Background:
- Thyroidectomy is a common surgery for thyroid disorders.
- Postoperative voice changes can occur even without recurrent laryngeal nerve (RLN) injury.
- Understanding predictors of these voice disorders is crucial for patient management.
Purpose of the Study:
- To evaluate the prevalence of voice disorders after thyroidectomy in patients without RLN injury.
- To identify surgical, sociodemographic, and lifestyle predictors of these postoperative voice disorders.
Main Methods:
- A prospective, single-center study involving 243 thyroidectomy patients.
- Pre- and postoperative voice assessments using acoustic analysis and videostroboscopy.
- Statistical analyses including logistic regression, chi-square, MANOVA, and non-parametric tests.
Main Results:
- 200 out of 243 patients (82.3%) experienced postoperative voice disorders.
- Total thyroidectomy, longer surgery duration (>90 min), larger thyroid volume, and higher BMI were significantly associated with voice disorders.
- Acoustic parameters like intensity, jitter, and shimmer were poorer in patients with total thyroidectomy and higher BMI.
Conclusions:
- Surgery type, thyroid volume, BMI, and surgery duration are significant predictors of postoperative voice disorders after thyroidectomy, even without RLN injury.
- These findings can inform surgical planning and patient counseling to mitigate voice-related complications.
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