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Lee JH, Kwon H. An institutional experience of intraoperative neurophysiological monitoring application in robotic thyroidectomy: a retrospective case-control study. Ann Surg Treat Res 2024; 106:243-247. [PMID: 38725805 PMCID: PMC11076952 DOI: 10.4174/astr.2024.106.5.243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/31/2024] [Accepted: 02/14/2024] [Indexed: 05/12/2024] Open
Abstract
Purpose Intraoperative neurophysiological monitoring (IONM) has been introduced in thyroid surgery to prevent injury of the recurrent laryngeal nerve (RLN). However, its effectiveness remains controversial in robotic thyroidectomy (RT). This study aimed to compare the surgical outcome of RT in patients with and without the application of IONM. Methods This retrospective case-control study included 100 patients who underwent total thyroidectomy via robotic bilateral axillo-breast approach in a tertiary center. A study group of 50 patients who had IONM during RT was compared to a control group of 50 patients who underwent RT with nerve visualization alone. Results The sex ratio (4:45 vs. 7:43, P = 0.538), mean age (39.3 ± 7.1 years vs. 37.5 ± 10.4 years, P = 0.304), and body mass index (23.1 ± 2.6 kg/m2 vs. 22.2 ± 3.9 kg/m2, P = 0.215) were comparable between the IONM and control groups. Pathologic features including tumor size (0.8 cm vs. 0.9 cm, P = 0.283), extrathyroidal extension (58.0% vs. 24.0%, P = 0.316), lymph node metastasis (30% vs. 34%, P = 0.668), and number of lymph nodes (5.3 vs. 5.3, P = 0.668) showed no differences. There was no permanent RLN palsy, postoperative bleeding, and wound complications. Transient hypoparathyroidism was observed in 12 (24.0%) and 14 (28.0%), permanent hypoparathyroidism in 0 (0%) and 1 (2.0%), and transient RLN palsy was observed in 3 (6.0%) and 3 (6.0%), respectively. Conclusion We did not demonstrate a clear advantage of IONM in RT. Controversies regarding the effectiveness of IONM is not closed.
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Affiliation(s)
- Joon-Hyop Lee
- Department of Surgery, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
- Division of Breast and Endocrine Surgery, Department of Surgery, Samsung Medical Center, Seoul, Korea
| | - Hyungju Kwon
- Department of Surgery, Ewha Womans University Medical Center, Seoul, Korea
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2
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Adverse event reporting in head and neck transoral robotic surgery: a MAUDE database study. J Robot Surg 2021; 15:899-904. [PMID: 33484416 DOI: 10.1007/s11701-020-01185-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 12/20/2020] [Indexed: 10/22/2022]
Abstract
Transoral robotic surgery (TORS) using the da Vinci Surgical system was approved by the US Food and Drug Administration in 2009. Currently, most available safety information on TORS procedures describes adverse events occurring in the context of clinical trials or series at high-volume academic centers. The goal of this study was to catalog reported adverse events associated with the da Vinci device in head and neck procedures by querying an FDA database. A search was performed on the MAUDE database inspecting for TORS safety incident reports generated from January 2009 through May 2020 using key words "da Vinci" and "Intuitive Surgical". A total of 3312 medical device records were produced. Of these 36 head and neck adverse events, reports were identified through manual screening of the data by the authors. Death was found to be the most common adverse event reported overall, manifesting in 44% of all reported incidents. The most frequent source of mortality was found to be hemorrhaging in the perioperative period rather than incidents of device malfunction or structural damage from surgery. This was found to be similar to the results of other published series for transoral ablative surgery. This study suggests that the small number of reported adverse events related to TORS with the da Vinci system seems to mirror what would be expected from the same procedures using other methods for transoral surgery.
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Huang TY, Lin YC, Tseng HY, Kim HY, Dionigi G, Lu IC, Chang PY, Chiang FY, Wu CW. Full percutaneous intraoperative neuromonitoring technique in remote thyroid surgery: Porcine model feasibility study. Head Neck 2020; 43:505-513. [PMID: 33026701 DOI: 10.1002/hed.26500] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 09/10/2020] [Accepted: 09/24/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND In remote thyroid surgery, a reliable intraoperative neuromonitoring (IONM) procedure is an important tool for reducing injury to recurrent laryngeal nerve (RLN). This study proposes an alternative or adjunct technique for performing full percutaneous (PC) IONM and confirms its feasibility in animal experiments. METHODS This prospective porcine model study enrolled four piglets with eight nerve sides. Evoked electromyography (EMG) was stimulated from PC ball-tip probe, and recorded from EMG endotracheal tube (ETT) and from PC paired long-needle electrodes on the perichondrium of the lateral aspect of thyroid cartilage. RESULTS In all RLNs and vagus nerves, typical laryngeal EMG waveforms were successfully evoked by PC probe stimulation and recorded by both ETT and PC needle electrodes. CONCLUSIONS This study confirms the feasibility of the full PC IONM techniques in porcine model. However, further clinical studies are needed to compare the practicality of different remote-access approaches for thyroid surgery.
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Affiliation(s)
- Tzu-Yen Huang
- Department of Otorhinolaryngology-Head and Neck Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Biological Science and Technology, National Chiao Tung University, Hsinchu, Taiwan
| | - Yi-Chu Lin
- Department of Otorhinolaryngology-Head and Neck Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hsin-Yi Tseng
- Department of Otorhinolaryngology-Head and Neck Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hoon Yub Kim
- Department of Surgery, KUMC Thyroid Center, Korea University Hospital, Korea University College of Medicine, Seoul, South Korea
| | - Gianlorenzo Dionigi
- Division for Endocrine and Minimally Invasive Surgery, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University Hospital G. Martino, University of Messina, Messina, Italy
| | - I-Cheng Lu
- Department of Anesthesiology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Pi-Ying Chang
- Department of Anesthesiology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Feng-Yu Chiang
- School of Medicine, College of Medicine, I-Shou University, Kaohsiung, Taiwan.,Department of Otolaryngology, E-Da Hospital, Kaohsiung, Taiwan
| | - Che-Wei Wu
- Department of Otorhinolaryngology-Head and Neck Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Otorhinolaryngology-Head and Neck Surgery, Kaohsiung Municipal Siaogang Hospital, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Ji YB, Ko SH, Song CM, Sung ES, Lee BJ, Wu CW, Chiang FY, Tae K. Feasibility and efficacy of intraoperative neural monitoring in remote access robotic and endoscopic thyroidectomy. Oral Oncol 2020; 103:104617. [DOI: 10.1016/j.oraloncology.2020.104617] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/24/2020] [Accepted: 02/22/2020] [Indexed: 10/24/2022]
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Schneider R, Machens A, Randolph G, Kamani D, Lorenz K, Dralle H. Impact of continuous intraoperative vagus stimulation on intraoperative decision making in favor of or against bilateral surgery in benign goiter. Best Pract Res Clin Endocrinol Metab 2019; 33:101285. [PMID: 31221571 DOI: 10.1016/j.beem.2019.06.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The advent of continuous vagus stimulation (CVS), eliminating lag time between nerve preparation with potential trauma and stimulation, has transformed the intraoperative surgical strategy in thyroid surgery. Continuous intraoperative nerve monitoring empowers the surgeon to be optimally aware of traction-related injury to the recurrent laryngeal nerve (RLN). Electromyographic precursor lesions, called combined events, prompt surgeons to cease harmful surgical maneuvers and release the nerve before damage to the nerve is established. Complete RLN recovery, defined as restitution of the nerve amplitude to ≥50% of baseline, assures the surgeon that it is safe to pursue completion surgery of the contralateral side in one procedure. If this restitution is incomplete or absent (<50% of amplitude baseline) immediate vocal cord paralysis is likely and it is advisable to delay completion surgery until the nerve has fully recovered. This review summarizes the tremendous progress made in this dynamic field, delineating the extent to which CVS has changed the landscape: tailoring intraoperative decision making to determine the safest course of action for patients with benign goiter.
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Affiliation(s)
- Rick Schneider
- Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.
| | - Andreas Machens
- Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Gregory Randolph
- Division of Thyroid and Parathyroid Endocrine Surgery, Department of Otolaryngology, Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA; Division of Surgical Oncology, Endocrine Surgery Service, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Dipti Kamani
- Division of Thyroid and Parathyroid Endocrine Surgery, Department of Otolaryngology, Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
| | - Kerstin Lorenz
- Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Henning Dralle
- Department of General, Visceral and Transplantation Surgery, Section of Endocrine Surgery, University of Duisburg-Essen, Essen, Germany
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Schneider R, Machens A, Randolph GW, Kamani D, Lorenz K, Dralle H. Opportunities and challenges of intermittent and continuous intraoperative neural monitoring in thyroid surgery. Gland Surg 2017; 6:537-545. [PMID: 29142846 DOI: 10.21037/gs.2017.06.08] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The number of thyroid operations and there radically continues to rise in the western hemisphere, bringing prevention of recurrent laryngeal nerve (RLN) palsy to the fore. Overall, the incidence of RLN palsy is fairly low but continues to prompt litigation for malpractice. In an effort to diminish transient, and more importantly permanent, RLN palsy rates, intraoperative neuromonitoring (IONM) has been advocated as a risk minimization tool. Recent meta-analyses of studies, many of which were limited by poor study design and the sole use of intermittent nerve stimulation, were unable to demonstrate superiority of IONM over mere anatomic RLN dissection. This is where continuous IONM (CIONM) comes into play: this technology enables the surgeon to (I) identify impending nerve injury as it unfolds; (II) release distressed nerves by reversing causative surgical maneuvers; and (III) verify functional nerve recovery after intraoperative loss of the electromyographic signal. Despite this superiority, CIONM is not devoid of methodological limitations, which need to be accounted for. This review summarizes the current key achievements of IONM; outlines opportunities for improvement regarding clinical implementation; and suggests areas of future research in this rapidly evolving field.
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Affiliation(s)
- Rick Schneider
- Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Andreas Machens
- Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Gregory W Randolph
- Division of Thyroid and Parathyroid Surgery, Harvard Medical School, Boston, Massachusetts, USA
| | - Dipti Kamani
- Division of Thyroid and Parathyroid Surgery, Harvard Medical School, Boston, Massachusetts, USA
| | - Kerstin Lorenz
- Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Henning Dralle
- Department of General, Visceral and Transplantation Surgery, Section of Endocrine Surgery, University of Duisburg-Essen, Essen, Germany
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Application of transoral continuous intraoperative neuromonitoring in natural orifice transluminal endoscopic surgery for thyroid disease: a preliminary study. Surg Endosc 2017. [PMID: 28643050 DOI: 10.1007/s00464-017-5656-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND The novel concept of continuous intraoperative neuromonitoring (Cont-IONM) through stimulation of the vagal nerve has been used in thyroidectomies to prevent imminent injury of the recurrent laryngeal nerve (RLN). This article reports on this technology and the results of using transoral Cont-IONM in natural orifice transluminal endoscopic surgery for thyroid disease. METHODS Cont-IONM of the RLN was achieved through automatic cyclical stimulation of the vagal nerve using a C2 monitor and delta stimulating electrode. During the operation, three vestibular incisions were made, and the stimulating electrode was transorally inserted, with its cable line lying outside the trocar. The vagal nerve was gently dissected, looped, and then enveloped by the electrode cuff. Electromyography (EMG) of the vocalis muscle was performed, and the alarm was set to activate when the EMG amplitude reduced by 50% and latency was prolonged by 10%. Demographic data and outcome variables, including incremental time required to achieve Cont-IONM, were obtained. RESULTS A total of 20 patients (28 nerves at risk) undergoing a transoral endoscopic thyroidectomy vestibular approach were enrolled in this study. All Cont-IONM procedures were successfully completed. In all patients, the stimulation was set at 0.7 milliamps every 1 s, and Cont-IONM use was unassociated with any untoward neural, cardiovascular, or gastrointestinal sequelae. On average, the ipsilateral Cont-IONM procedure required 10.33 ± 2.57 min to complete. Except for one instance, no significant problems occurred with electrode displacement. In one patient, a combined EMG event occurred, which improved after releasing the thyroid retractor, and the patient had no vocal cord paralysis postoperatively. CONCLUSION Cont-IONM is feasible and safe to use during transoral endoscopic thyroidectomies and may assist in the early detection of adverse EMG changes, thereby preventing paralysis of the RLNs.
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Dionigi G, Kim HY, Wu CW, Lavazza M, Materazzi G, Lombardi CP, Anuwong A, Tufano RP. Neuromonitoring in endoscopic and robotic thyroidectomy. Updates Surg 2017; 69:171-179. [DOI: 10.1007/s13304-017-0442-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 04/01/2017] [Indexed: 12/01/2022]
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Schneider R, Randolph GW, Barczynski M, Dionigi G, Wu CW, Chiang FY, Machens A, Kamani D, Dralle H. Continuous intraoperative neural monitoring of the recurrent nerves in thyroid surgery: a quantum leap in technology. Gland Surg 2016; 5:607-616. [PMID: 28149807 PMCID: PMC5233836 DOI: 10.21037/gs.2016.11.10] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 10/18/2016] [Indexed: 12/28/2022]
Abstract
The continuous intraoperative neural monitoring (CIONM) technique is increasingly acknowledged as a useful tool to recognize impending nerve injury and to abort the related manoeuvre to prevent nerve injury during thyroid surgery. CIONM provides valuable real-time information constantly, which is really useful during complex thyroid surgeries especially in the settings of unusual anatomy. Thus, CIONM overcomes the key methodological limitation inherent in intermittent nerve monitoring (IINOM); which is allowing the nerve to be at risk in between the stimulations. The clinically important combined electromyographic (EMG) event, indicative of impending recurrent laryngeal nerve (RLN) injury, prevents the majority of traction related injuries to the anatomically intact RLN enabling modification of the causative surgical manoeuvre in 80% of cases. These EMG changes can progress to loss of EMG signal with postoperative vocal cord palsy (VCP) if corrective action is not taken. As a further extension, CIONM also helps to identify intraoperative functional nerve recovery with restitution of amplitude to ≥50% of initial baseline; this allows continuing of resection of contralateral side. CIONM facilitates for early corrective action before permanent damage to the nerve has been done. CIONM is a recent but rapidly evolving technique, constantly being refined by various studies focusing on improvement in its implementation and interpretation, as well as on the elimination of the technical snags.
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Affiliation(s)
- Rick Schneider
- Medical Faculty, Department of General, Visceral, and Vascular Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Gregory W. Randolph
- Division of Thyroid and Parathyroid Surgery Harvard Medical School, Boston, Massachusetts, USA
| | - Marcin Barczynski
- Department of Endocrine Surgery, 3 Chair of General Surgery, Jagiellonian University, Krakow, Poland
| | | | - Che-Wei Wu
- Department of Otolaryngology-Head and Neck Surgery, Kaohsiung Medical University, Kaohsiung City, Taiwan
| | - Feng-Yu Chiang
- Department of Otolaryngology-Head and Neck Surgery, Kaohsiung Medical University, Kaohsiung City, Taiwan
| | - Andreas Machens
- Medical Faculty, Department of General, Visceral, and Vascular Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Dipti Kamani
- Division of Thyroid and Parathyroid Surgery Harvard Medical School, Boston, Massachusetts, USA
| | - Henning Dralle
- Medical Faculty, Department of General, Visceral, and Vascular Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
- Department of General, Visceral and Transplantation Surgery, Section of Endocrine Surgery, University of Duisburg-Essen, Essen, Germany
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Aïdan P, Chung WY, Lörincz BB. Bilateral vagal automatic periodic stimulation in single-incision transaxillary robotic total thyroidectomy. Clin Otolaryngol 2016; 43:401-403. [PMID: 27385650 DOI: 10.1111/coa.12698] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2016] [Indexed: 11/28/2022]
Affiliation(s)
- P Aïdan
- Chirurgie Robotique, Hôpital Américain de Paris, Neuilly sur Seine, France
| | - W Y Chung
- Department of Endocrine Surgery, Yonsei University, Seoul, South Korea
| | - B B Lörincz
- Department of Otorhinolaryngology, Head and Neck Surgery and Oncology, Head and Neck Cancer Center of the Hubertus Wald University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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