Ultrasound‐guided thread lifting for the prevention of parotid gland and diagnosing parotid duct complications

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Authors: Ji Soo Kim ; Eun-Jung Yang ; Woo-Ram Kim ; Won Lee ; Hee-Jin Kim ; Kyu-Ho Yi

MeSH: Humans ; Pain ; Parotid Gland* / diagnostic imaging ; Parotid Gland* / surgery ; Salivary Ducts* / diagnostic imaging ; Salivary Ducts* / surgery ; Ultrasonography ; Ultrasonography, Interventional

Keywords: parotid duct ; parotid gland ; parotitis ; polydioxanone threads ; thread lifting ; ultrasound

Abstract: Abstract

Background: Thread lifting is a common minimally invasive plastic surgery procedure. Parotid gland injury caused by thread lifting is a known complication; however, visual evidence of this complication is lacking.

Objectives: This study aimed to present cases of parotid gland injury by thread lifting shown using ultrasound and to discuss the importance of ultrasound detection of the location of the parotid gland before thread insertion.

Methods: This study included eight patients diagnosed with parotid gland perforation and one with parotid duct injury due to threads fromNovember 2020 to October 2022.

Results: Six patients showed tenderness and swelling, three were asymptomatic, and one with duct injury showed severe swelling and pain. Although the severity and duration of symptoms have differed, we confirmed the progress of improvement with conservative treatment and confirmed ultrasound findings progressed.

Conclusions: Using ultrasound to detect the parotid gland’s location before thread lifting might reduce the chance of parotid duct injury. Identifying immediate parotid duct or gland injury with ultrasound can help to act quickly for delayed pain or swelling and reduce the likelihood of additional

complications.