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Background: The use of ultrasound-guided ablation procedures to treat both benign and malignant thyroid conditions is gaining increasing interest. This document has been developed as an international interdisciplinary evidence-based statement with a primary focus on radiofrequency ablation and is intended to serve as a manual for best practice application of ablation technologies., Methods: A comprehensive literature review was conducted to guide statement development and generation of best practice recommendations. Modified Delphi method was applied to assess whether statements met consensus among the entire author panel., Results: A review of the current state of ultrasound-guided ablation procedures for the treatment of benign and malignant thyroid conditions is presented. Eighteen best practice recommendations in topic areas of preprocedural evaluation, technique, postprocedural management, efficacy, potential complications, and implementation are provided., Conclusions: As ultrasound-guided ablation procedures are increasingly utilized in benign and malignant thyroid disease, evidence-based and thoughtful application of best practices is warranted., (© 2021 Wiley Periodicals LLC.)

Background: North American adoption of the transoral endoscopic thyroidectomy vestibular approach (TOETVA) has been limited due to concerns regarding the generalizability of published outcomes, as data are predominantly from Asian cohorts with a different body habitus. We describe our experience with TOETVA in a North American population in the context of the conventional transcervical approach thyroidectomy (TCA)., Study Design: Cases of TOETVA and TCA were reviewed from August 2017 to March 2020 at a tertiary care center. Outcomes included operative time, major (permanent recurrent laryngeal nerve (RLN) injury, permanent hypoparathyroidism, hematoma, conversion to open surgery), and minor complications. The TOETVA cohort was stratified into body mass index (BMI) classes of underweight/normal < 25 kg/m 2 , overweight 25-29.9 kg/m 2 , and obese ≥ 30 kg/m 2 for comparative analysis. Multivariable logistic regression analyses were performed for odds of cumulative complication., Results: Two hundred TOETVA and 333 TCA cases were included. There was no difference in incidence of major complications between the TOETVA and TCA cohorts (1.5% vs. 2.1%, p = 0.75). No difference was found in the rate of temporary RLN injury (4.5% vs. 2.1%, p = 0.124) or temporary hypoparathyroidism (18.2% vs. 12.5%, p = 0.163) for TOETVA and TCA, respectively. Surgical technique (TOETVA vs TCA) did not alter the odds of cumulative complication (OR 0.69 95% CI [0.26-1.85]) on logistic regression analysis. In the TOETVA cohort, higher BMI did not lead to a significantly greater odds of cumulative complication, 0.52 (95% CI [0.17-1.58]) and 1.69 (95% CI [0.74-3.88]) for the overweight and obese groups, respectively., Conclusion: TOETVA can be performed in a North American patient population without a difference in odds of complication compared to TCA. Higher BMI is not associated with greater likelihood of complication with TOETVA.

Objective: To analyze the effect of drain placement on postoperative hematoma formation and other associated outcomes post-thyroid surgery in a large national cohort., Methods: This was a retrospective study that analyzed data from the 2016-2017 National Surgical Quality Improvement Program (NSQIP) public use files. Baseline characteristics and perioperative outcomes were compared between drain and no drain cohorts., Results: A total of 11,626 patients were included; 3281 had a drain placed intraoperatively and 8345 did not. Otolaryngologists were 6.98 times more likely to place a drain after thyroidectomy than general surgeons (P < .001), and patients undergoing subtotal or total thyroidectomy were 2.17 times more likely to have a drain placed than if undergoing partial thyroidectomy (P < .001). Drain placement did not reduce hematoma formation on both univariate and multivariate analyses (adjusted OR = 0.93, P = .696). A slightly larger proportion of patients underwent unplanned intubation postoperatively among those who had a drain placed (0.76% vs. 0.29%, P < .001). Patients who received a drain were on average 4.63 times as likely to remain in the hospital for 2 or more days compared to those who did not receive a drain., Conclusion: Drain placement did not significantly affect postoperative hematoma formation following thyroidectomy. Drain placement should not be routinely employed in these patients. However, surgeon judgement and intraoperative considerations should be taken into account, as to when to place a drain., Level of Evidence: N/A Laryngoscope, 130:1349-1356, 2020., (© 2019 The American Laryngological, Rhinological and Otological Society, Inc.)

Importance: Transoral endocrine surgery (TES) allows thyroid and parathyroid operations to be performed without leaving any visible scar on the body. Controversy regarding the value of TES remains, in part owing to the common belief that TES is only applicable to a small, select group of patients. Knowledge of the overall applicability of these procedures is essential to understand the operation, as well as to decide the amount of effort and resources that should be allocated to further study the safety, efficacy, and value of these operations., Objective: To determine what percentage of US patients undergoing thyroid and parathyroid surgery are eligible for TES using currently accepted exclusion criteria., Design, Setting, and Participants: Cross-sectional study of 1000 consecutive thyroid and parathyroid operations (with or without neck dissection) performed between July 1, 2015, and July 1, 2018, at 3 high-volume academic US thyroid- and parathyroid-focused surgical practices (2 general surgery, 1 otolaryngology-head and neck endocrine surgery). Eligibility for TES was determined by retrospectively applying previously published exclusion criteria to the cases., Main Outcomes and Measures: The primary outcome was the percentage of thyroid and parathyroid cases eligible for TES. Secondary outcomes were a subgroup analysis of the percentage of specific types of cases eligible and the reasons for ineligibility., Results: The mean (SD) age of the 1000 surgical patients was 53 (15) years, mean (SD) body mass index (calculated as weight in kilograms divided by height in meters squared) was 29 (7), and 747 (75.0%) of the patients were women. Five hundred fifty-eight (55.8%) of the patients were eligible for TES. Most patients with thyroid nodules with cytologically indeterminate behavior (165 of 217 [76.0%]), benign thyroid conditions (166 of 240 [69.2%]), and primary hyperparathyroidism (158 of 273 [57.9%]) were eligible for TES, but only 67 of 231 (29.0%) of patients with thyroid cancer were eligible. Among all 1000 cases reviewed, previous neck operation (97 of 441 [22.0%]), nonlocalized primary hyperparathyroidism (78 of 441 [17.7%]), and need for neck dissection (66 of 441 [15.0%]) were the most common reasons for ineligibility., Conclusions and Relevance: More than half of all patients undergoing thyroid and parathyroid surgery in this study were eligible for TES. This broad applicability suggests that a prospective multicenter trial is reasonable to definitively study the safety, outcomes, and cost of TES.