Complications of ultrasound-guided thermal ablation of thyroid nodules and associated risk factors: an experience from 9667 cases.

We analysed the complications and risk factors associated with UGTA in 9667 cases. The complication rate was 4.43%; 1.94% were major complications. Risk factors of haemorrhage and hoarseness should be considered. UGTA was a safe method for the treatment of TNs.