Thymectomy For Nonthymomatous Myasthenia Gravis: Comparison Of Video-assisted Thoracoscopic And Transsternal Thymectomy
reza bagheri, Sr.1, Reza Boonstani2, Ali Sadrizadeh3.
1lung disease research Center, Faculty of medicine, mashhad, Iran, Islamic Republic of, 2Department of Neurological Diseases, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran., mashhad, Iran, Islamic Republic of, 3Cardio- Thoracic Surgery & Transplant Research Center, Emam Reza hospital, Faculty of medicine, Ma, mashhad, Iran, Islamic Republic of.
Objective
Thymectomy considered as a standard procedure in treatment of all the steps of myasthenia gravis. Video-assisted thoracoscopic surgery (VATS) thymectomy is one of the minimally invasive procedures that because of the short duration of hospitalization, less postoperative pain, and scar after surgery, nowadays it is replaced the traditional methods of surgery for patients with myasthenia gravis, but there are still differences and concerns. The aim of this study was to compare outcomes of two different techniques of surgery, VATS versus transsternal (TS) in the treatment of myasthenia gravis.
Methods
In this pilot study, 42 patients with myasthenia gravis and without a thymus tumor were evaluated based on Myasthenia Gravis Foundation of America classification and drug consumption. Then, they randomly underwent two different techniques of surgery: VATS versus TS. Patients were evaluated based on preoperative and postoperative variables.
Results
Duration of intensive care unit stay and hospitalization has been reduced in patients who underwent VATS thymectomy operation technique. In addition, duration of surgical procedure has been reduced significantly in these patients. These patients have less blood loss during surgery compared with TS group. The Myasthenia Gravis Foundation of America postoperative status in VATS thymectomy revealed that the number of patients with complete stable remission was higher and number of persons remained unchanged was lower in this group.
Conclusions
VATS thymectomy is a safe and appropriate approach comparing with traditional methods such as TS thymectomy for patients with myasthenia gravis. This method has better results after surgery and can be used as a minimally invasive alternative method instead of TS thymectomy.
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