Incidence of Hoarseness After General Spine Surgery: Prospective Observational Study

Study Overview
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Brief Summary
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Early diagnosis and appropriate treatment of hoarseness is known to improve quality of life and treatment outcomes. Therefore, appropriate research on the incidence of hoarseness after surgery is necessary. In this study, investigator aim to investigate incidence of hoarseness after spine surgery and the correlation between the Voice Handicap Index (VHI)-10, used as a criterion, and acoustic parameters, while also validating the efficacy of our research methods.

Detailed Description
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The primary outcome of this study is the incidence of hoarseness on the day of surgery. The secondary outcomes include the incidence of hoarseness at one month after surgery, as well as examining the correlation between acoustic parameters, risk factors, and the occurrence of hoarseness. Investigator conducted a comparative analysis of risk factor for hoarseness in patients with different VHI-10 scores on the day of surgery and 30 days after surgery.

Official Title
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Incidence of Hoarseness After General Spine Surgery: Prospective Observational Study

Conditions
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Hoarseness

Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Age range is 20 to 80 years old degenerative spine conditions visit at Seoul National University Hospital only Patients who voluntarily consent to participate in the study Exclusion Criteria: History of surgery around the airway or mediastinum patients with vocal cord-related disorders Patients with fractures, bleeding, or other trauma Patients with neuromuscular diseases, Parkinson's disease, or psychiatric disorders Patients who cannot be extubated or who are transferred to the ICU after surgery Pregnant women Patients who do not wish to participate in the study

Ages Eligible for Study
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Minimum Age: 20 Years
Maximum Age: 80 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| hoarseness group<br>This study recruited all patients admitted at Seoul National University Hospital. Age range is 20 to 80 years old. Patients who require surgical treatment for degenerative spine conditions. Patients who voluntarily consent to participate in the study. | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| the primary outcome was to measure the incidence of hoarseness | the primary outcome was to measure the incidence of voice disorders by conducting Voice Handicap Index-10 (minimum score 0 to maximum score 46, lower score is better) scoring and voice recordings six hours after the end of anesthesia | voice recordings six hours after the end of anesthesia | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The secondary outcome involved measuring the incidence of hoarseness one month after the surgery | analyzed the correlation between Voice Handicap Index-10 (minimum score 0 to maximum score 46, lower score is better) scores and voice acoustic parameter analysis | one month after the surgery | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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hoarseness, spine surgery