Table 3 Methods and results of voice function assessment in endoscopic thyroid surgery
Researcher | Surgery approach | No. of cases | Study design | Follow-up time | Assessment method | Result |
|---|---|---|---|---|---|---|
Liu et al. [57] | Robotic/endoscopic | 67/58 | Retrospective study | Post-op 1 week, 1 and 3 months | VHI-10, voice acoustic analysis | No significant difference in the VHI-10 scores; F0 and MPT were higher in robotic group post-op 1 week |
Kim et al. [63] | Transoral/OT | 44/38 | Retrospective study | Pre-op, post-op 1 month | TVQ, GRBAS score, laryngoscopy, acoustic analysis | No significant difference in TVQ score, the GRBAS score, or acoustic analysis between two groups |
Han et al. [54] | TOETVA/OT | 52/50 | Retrospective study | Post-op 3, 6 months | VHI-10, GRBAS score, acoustic and aerodynamic analysis | No significant differences in VHI-10, GRBAS scores, acoustic and aerodynamic analysis between two groups |
Liu et al. [55] | Subplatysmal/subfascial | 129/320/56 | Prospective study | Pre-op, post-op 2 weeks, 3 and 6 months | VHI-10 | No significant difference in VHI-10 scores between two groups |
Lee et al. [61] | Robotic IONM/robotic non-IONMa | 25/25 | Prospective study | Pre-op, post-op 2 weeks, 3 and 6 months | VHI, voice range profile (VRP), laryngoscopy | No significant difference in VHI-10 scores between two groups; earlier recovery in VRP minimum intensity in non-IONM group |
Bae et al. [62] | Robotic thyroid surgerya | 30 | Prospective study | Pre-op, post-op 1 and 3 months | VHI-10 | The mean VHI-10 score was higher postoperatively and the scores were lower at post-op 3 months than 1 month |