[pubmed] Perioperative Outcomes of Thymectomy in Myasthenia Gravis: A Thoracic Surgery Database Analysis

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[pubmed] Perioperative Outcomes of Thymectomy in Myasthenia Gravis: A Thoracic Surgery Database Analysis

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Ann Thorac Surg. 2021 Jul 30:S0003-4975(21)01302-3. doi: 10.1016/j.athoracsur.2021.06.071. Online ahead of print.

ABSTRACT

BACKGROUND: There is clinical equipoise regarding the perioperative and long-term outcomes of autoimmune myasthenia gravis (MG) patients undergoing open vs minimally invasive thymectomy, particularly for non-thymomatous MG. This analysis utilizes multicenter, real-world clinical evidence to assess perioperative complications of open and minimally invasive thymectomy techniques in MG patients.

METHODS: Thymectomy cases 2009-2019 in MG patients were identified in the Society of Thoracic Surgeons General Thoracic Surgery Database. Thymectomies were grouped by surgical technique: transthoracic (TT), transcervical (TC), video-assisted thoracoscopic surgery (VATS), or Robotic VATS (RVATS). Multivariable logistic regression models assessed the association between surgical technique and perioperative complications.

RESULTS: Analysis of non-thymomatous cases (n=1,725) revealed VATS (OR 0.44, CI 0.23-0.83), RVATS (0.73, 0.48-1.26) and TC (0.19, 0.06-0.62) had lower odds of perioperative complications than TT thymectomies. VATS (2.29, 0.63-8.30) and RVATS (4.08, 1.21-3.78) thymectomies had higher odds of perioperative complications than TC. Analysis of thymomatous cases (n=311) found no significant difference in the odds of perioperative complications in TT vs minimally invasive (VATS/RVATS) procedures. The proportion of RVATS procedures increased from 6.43% to 44.27% while TT (56.43% to 34.35%) and TC (19.29% to 6.87%) thymectomies decreased.

CONCLUSIONS: Minimally invasive and TC thymectomies have fewer perioperative complications than TT when performed for non-thymomatous MG. Minimally invasive procedures are increasingly performed for both non-thymomatous and thymomatous disease. There is a nationwide shift towards minimally invasive procedures, even for thymoma resections. Long-term neurological outcome data are needed to determine whether a reduced perioperative risk for minimally invasive thymectomies translates to improved MG outcomes.

PMID:34339670 | DOI:10.1016/j.athoracsur.2021.06.071


Source: https://pubmed.ncbi.nlm.nih.gov/3433967 ... 1&v=2.14.5
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