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https://www.readbyqxmd.com/read/29312764/ectopic-thymoma-managed-by-neck-dissection-video-assisted-thoracoscopic-thymectomy
#1
John K Peel, Eitan Prisman, Tony L Ng, Anna L McGuire
Ectopic thymoma in the neck is a rare phenomenon, with fewer than 20 cases reported worldwide. Evidence for management of ectopic thymoma comes from literature for mediastinal thymoma despite clinical features that distinguish the two. Here we present a case of a 31-year-old female with an asymptomatic neck mass who was found to have an ectopic cervical thymoma with concomitant mediastinal thymic hyperplasia. The decision was made to perform a left-sided neck dissection and a video-assisted thoracoscopic surgery (VATS) thymectomy...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29312727/clinical-features-diagnosis-and-thoracoscopic-surgical-treatment-of-thymic-cysts
#2
Xun Wang, Kezhong Chen, Xiao Li, Yun Li, Fan Yang, Jianfeng Li, Guanchao Jiang, Jun Liu, Jun Wang
Background: Thymic cysts are rare benign developmental anomalies and there is no consensus management for thymic cysts. The aim of this study was to disclose the efficacy of perioperative diagnosis for thymic cysts by chest computerized tomography (CT) and to elucidate the surgical procedure by video-assisted thoracic surgery (VATS) in the management of thymic cysts. Methods: We retrospectively reviewed 108 consecutive thymic cyst patients who underwent VATS at our institution between April 2001 and August 2015...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29311500/thoracoscopic-thymectomy-using-a-subxiphoid-approach-for-anterior-mediastinal-tumors
#3
Hiroki Numanami, Motoki Yano, Masayuki Yamaji, Rumiko Taguchi, Chihiro Furuta, Ryoichi Nakanishi, Masayuki Haniuda
PURPOSE: Video-assisted thoracic surgery (VATS) techniques have been widely used for resection of mediastinal tumors. This study investigated the usefulness of the subxiphoid approach in thoracoscopic thymectomy. METHODS: In all, 36 patients with anterior mediastinal tumor underwent thymectomy using the subxiphoid approach in two Japanese institutions. These patients were retrospectively reviewed and analyzed. RESULTS: There were 16 females and 20 males with a mean age of 57 years...
January 9, 2018: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29249499/spontaneous-ventilation-thoracoscopic-thymectomy-without-muscle-relaxant-for-myasthenia-gravis-comparison-with-standard-thoracoscopic-thymectomy
#4
Long Jiang, Lieven Depypere, Gaetano Rocco, Jin-Shing Chen, Jun Liu, Wenlong Shao, Hanyu Yang, Jianxing He
OBJECTIVES: Myasthenia gravis (MG) benefits from thymectomy. However, its unpredictable response to muscle relaxants and volatile anesthetic agents may result in muscle weakness and subsequently in postoperative myasthenic crisis. The aim of this study was to determine the surgical outcomes after spontaneous ventilation compared with conventional intubated video-assisted thoracoscopic thymectomy (spontaneous-ventilation video-assisted thoracic thymectomy [SV-VATT] vs intubated video-assisted thoracic thymectomy) in patients with MG...
November 21, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29246632/different-neurologic-outcomes-of-myasthenia-gravis-with-thymic-hyperplasia-and-thymoma-after-extended-thymectomy-a-single-center-experience
#5
Yu Zheng, Yi-Zhou Cai, Zi-Yan Shi, Yan Qiu, Han-Lu Zhang, Zi-Hao Wang, Wen-Bin Li, Yun Wang
This study aimed to reveal the clinical course and outcomes of myasthenia gravis (MG) in patients with thymic lymphoid hyperplasia and thymoma undergoing extended thymectomy and to identify the clinical prognostic factors of remission for MG. In total, 73 patients undergoing extended thymectomy were divided into two groups: group A with lymphoid hyperplasia (n=39) and group B with thymoma (n=34). According to the MG Foundation of America (MGFA) post-intervention status, the primary endpoint was a composite measure defined as achievement of complete stable remission (CSR), pharmacologic remission (PR), minimal manifestations (MM) or improvement (IM)...
December 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29233593/anterior-mediastinal-tissue-volume-is-correlated-with-antiacetylcholine-receptor-antibody-level-in-myasthenia-gravis
#6
Akihiro Takahagi, Mitsugu Omasa, Toyofumi F Chen-Yoshikawa, Masatsugu Hamaji, Akihiko Yoshizawa, Takashi Sozu, Makoto Sonobe, Hiroshi Date
OBJECTIVES: Extended thymectomy is a treatment option for myasthenia gravis (MG), but the surgical indications are controversial. Pathologic features of the thymus can be used to predict surgical outcomes, but there is no reliable method for evaluating these characteristics preoperatively. The purpose of this study was to determine whether anterior mediastinal tissue volume, as measured via 3-dimensional computed tomography (3DCT) volumetry, correlates with serum anti-acetylcholine receptor antibody (AChRAb) levels in patients undergoing thymectomy for myasthenia gravis...
November 8, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29221974/criteria-for-postoperative-mechanical-ventilation-after-thymectomy-in-patients-with-myasthenia-gravis-a-retrospective-analysis
#7
Keerthi Chigurupati, Shrinivas Gadhinglajkar, Rupa Sreedhar, Muraleedharan Nair, Madathipat Unnikrishnan, Manjusha Pillai
OBJECTIVE: To determine the criteria for postoperative mechanical ventilation after thymectomy in patients with Myasthenia Gravis. DESIGN: Retrospective study. SETTING: Teritiary care centre. PARTICIPANTS: 77 Myasthenia gravis patients operated for thymectomy were studied. INTERVENTIONS: After obtaining clearance from Institutional ethics committee, medical records of 77 patients with MG, who were operated for thymectomy between January 2005 and December 2015 were reviewed in a retrospective manner...
June 27, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29212280/influence-of-body-mass-index-on-postoperative-complications-after-thymectomy-in-myasthenia-gravis-patients
#8
Xu-Dong Liu, Ming-Rui Shao, Lei Sun, Lin Zhang, Xin-Shan Jia, Wen-Ya Li
Objectives: It is not clear whether being overweight or obese influences postoperative complications in myasthenia gravis (MG) patients. We retrospectively investigated an association between body mass index (BMI) and postoperative complications in MG. Materials and Methods: Fifty-nine MG patients who had undergone transsternal thymectomy were classified as low or high BMI based on the criteria for Asian-Pacific populations. An association between BMI and complications was analyzed...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29204316/acute-dystonic-reaction-following-general-anesthetic-agent-use
#9
Jiraporn Jitprapaikulsan, Prachaya Srivanitchapoom
Background: A 36-year-old Thai female who underwent a thymectomy under general anesthesia developed acute abnormal movements in the craniofacial region immediately after awakening with preserved consciousness. Phenomenology: Intermittent abnormal movements included oculogyric crisis; tongue protrusion; blepharospasm; and oro-mandibular dystonia consisting of risus sardonicus, jaw opening, and right torticollis. Educational value: An acute dystonic reaction can be a complication of either single or combined general anesthetic agents...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/29195019/is-immunosuppression-induced-by-neonatal-thymectomy-compatible-with-poor-reproductive-performance-in-adult-male-rats
#10
M M Ommati, N Tanideh, B Rezakhaniha, J Wang, S Sabouri, M Vahedi, B Dormanesh, O Koohi Hosseinabadi, F Rahmanifar, S Moosapour, A Akhlaghi, R Heidari, M J Zamiri
With increasing knowledge that the immune system has a major impact on reproductive ‎health, the potential for cells arising in organs such as the thymus to alleviate oxidative stress ‎has been revealed. This study addresses the impact of neonatal thymectomy on male ‎reproductive function in pubertal and adult animals. Neonatal Sprague Dawley rats were allotted to four treatments consisting of fully thymectomized, partially thymectomized, intact, and sham-operated rats. Half of the rats in each treatment were sacrificed at 40 and the other half at 80 days of age...
January 2018: Andrology
https://www.readbyqxmd.com/read/29191778/paraneoplastic-syndromes-and-thymic-malignancies-an-examination-of-the-international-thymic-malignancy-interest-group-retrospective-database
#11
Sukhmani K Padda, Xiaopan Yao, Alberto Antonicelli, Jonathan W Riess, Yue Shang, Joseph B Shrager, Robert Korst, Frank Detterbeck, James Huang, Bryan M Burt, Heather A Wakelee, Sunil S Badve
INTRODUCTION: Thymic epithelial tumors (TETs) are associated with paraneoplastic autoimmune (PN/AI) syndromes. Myasthenia gravis is the most common PN/AI syndrome associated with TETs. METHODS: The International Thymic Malignancy Interest Group (ITMIG) retrospective database was examined to determine (i) baseline and treatment characteristics associated with PN/AI syndromes and (ii) the prognostic role of PN/AI syndromes for patients with TETs. The competing risks model was used to estimate cumulative incidence of recurrence (CIR) and the Kaplan-Meier method was used to calculate overall survival (OS)...
November 27, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29160947/thymic-function-is-a-major-determinant-of-antibody-mediated-rejection-onset-in-heart-transplantation
#12
A Sannier, N Stroumza, G Caligiuri, M Le Borgne-Moynier, F Andreata, J Senemaud, L Louedec, G Even, A T Gaston, C Deschildre, A Couvelard, P Ou, R Cheynier, P Nataf, R Dorent, A Nicoletti
Thymic function progressively decreases with age but may be boosted in certain circumstances. We questioned whether heart transplantation was such a situation and whether the thymic function was related to the onset of rejection. Twenty-eight antithymocyte globulin-treated heart transplant recipients were included. Patients diagnosed for an antibody-mediated rejection on endomyocardial biopsy had higher proportion of circulating recent thymic emigrant CD4+ T cells and T cell receptor excision circle levels than other transplanted subjects...
November 21, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29156018/risk-factors-of-myasthenic-crisis-after-thymectomy-for-thymoma-patients-with-myasthenia-gravis
#13
Liang Xue, Lin Wang, Jihong Dong, Yunfeng Yuan, Hong Fan, Yi Zhang, Qun Wang, Jianyong Ding
OBJECTIVES: Total thymectomy should be performed on thymoma patients with myasthenia gravis. The aim of the present study was to investigate the risk factors of postoperative myasthenic crisis (POMC) occurrence in these patients. METHODS: The clinical records of 127 thymoma patients with myasthenia gravis (68 men, 59 women; median age, 50 years) who underwent total thymectomy at our institution from 2005 to 2014 were retrospectively reviewed. The following factors were analysed in relation to POMC: gender, age, duration of symptoms, bulbar symptoms, smoking history, history of myasthenic crisis, comorbidities, perioperative pyridostigmine and prednisolone therapy, spirometric and blood gas parameters, Osserman stage, operation approach, major complications, World Health Organization (WHO) histologic classification, Masaoka stage and use of immunoglobulins or plasmapheresis...
October 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29125182/circulating-micrornas-as-potential-biomarkers-in-myasthenia-gravis-patients
#14
REVIEW
Anna Rostedt Punga, Tanel Punga
MicroRNAs (miRNAs) are small noncoding RNA molecules that bind to specific mRNA targets and regulate a wide range of important biological processes within cells. Circulating miRNAs are released into the extracellular space and can be measured in most biofluids, including blood serum and plasma. Recently, circulating miRNAs have emerged as easily accessible markers in various body fluids with different profiles and quantities specific for different human disorders, including autoimmune diseases. In myasthenia gravis (MG), diagnostic tests such as titers of serum autoantibodies specific for either the acetylcholine receptor (AChR(+) ) or muscle-specific tyrosine kinase (MuSK(+) ) do not necessarily reflect disease progression, and there is a great need for reliable objective biomarkers to monitor the disease course and therapeutic response...
November 10, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29124031/successful-lung-transplantation-in-a-patient-with-myasthenia-gravis
#15
Kangmin Kim, Hyun Joo Lee, Samina Park, Yoohwa Hwang, Young Whan Kim, Young Tae Kim
A 47-year-old man with myasthenia gravis (MG) was admitted for a lung transplant. He had bronchiolitis obliterans after allogeneic hematopoietic stem cell transplantation due to acute myeloid leukemia. MG developed after stem cell transplantation. Bilateral sequential lung transplantations and a total thymectomy were performed. The patient underwent right diaphragmatic plication simultaneously due to preoperatively diagnosed right diaphragmatic paralysis. A tracheostomy was performed and bilevel positive airway pressure (BiPAP) was applied on postoperative days 8 and 9, respectively...
October 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29109003/prediction-of-postoperative-mechanical-ventilation-after-thymectomy-in-patients-with-myasthenia-gravis-a-myth-or-reality
#16
EDITORIAL
Javier H Campos
No abstract text is available yet for this article.
August 10, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29083502/a-clinical-predictive-score-for-postoperative-myasthenic-crisis
#17
MULTICENTER STUDY
Tetsuya Kanai, Akiyuki Uzawa, Yasunori Sato, Shigeaki Suzuki, Naoki Kawaguchi, Keiichi Himuro, Fumiko Oda, Yukiko Ozawa, Jin Nakahara, Norihiro Suzuki, Yuko K Takahashi, Satoru Ishibashi, Takanori Yokota, Takashi Ogawa, Kazumasa Yokoyama, Nobutaka Hattori, Shoko Izaki, Satoru Oji, Kyoichi Nomura, Juntaro Kaneko, Kazutoshi Nishiyama, Ichiro Yoshino, Satoshi Kuwabara
OBJECTIVE: Myasthenia gravis (MG) is an autoimmune disease mostly caused by autoantibodies against acetylcholine receptor associated with thymus abnormalities. Thymectomy has been proven to be an efficacious treatment for patients with MG, but postoperative myasthenic crisis often occurs and is a major complication. We aimed to develop and validate a simple scoring system based on clinical characteristics in the preoperative status to predict the risk of postoperative myasthenic crisis...
November 2017: Annals of Neurology
https://www.readbyqxmd.com/read/29078684/thymic-minimally-invasive-surgery-state-of-the-art-across-the-world-central-south-america
#18
REVIEW
Ricardo Mingarini Terra
Literature suggests that, for thymectomy in myasthenia or resection of thymic tumors, minimally invasive surgery is equivalent to open surgery with regard to long-term outcomes. However, it could bring some benefits in the immediate results as complication rate or length-of-stay. There are doubts about the worldwide adoption of the method, though. In Latin America, the implementation of video-assisted thoracic surgery (VATS) started in the 1990s, but it progressed slowly. The main barriers were associated costs and training...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29078679/thymic-mis-state-of-the-art-across-the-world-russian-federation
#19
REVIEW
Piotr Yablonskii, Grigorii Kudriashov, Vadim Pischik, Evgenii Sigal, Sabriddin Nuraliev
First VATS thymectomy was performed 25 years ago (Landreneau et al., 1992). After that, minimally invasive approaches for surgical procedures have rapidly increased in the world. The aim of this paper was study of current problems and the status of surgery for thymus diseases in Russia. This is first global survey of all thoracic centers, which had experience in thymic surgery.
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29078673/the-results-of-video-assisted-thoracoscopic-thymectomies-in-saint-petersburg-russia-20-year-of-experience
#20
Piotr Yablonsky, Vadim Pischik, Marina G Tovbina, Mikhail Atiukov
BACKGROUND: During the period from 1996 to 2016, we have performed 281 thymectomies in patients with various diseases of the thymus. In 179 patients, thymic pathology was associated with autoimmune myasthenia gravis (MG), and, in 108 patients, thymoma was diagnosed. METHODS: The majority of surgeries [254] were performed using video thoracoscopy, 79 of them with an additional cervical approach. The long-term results of video thoracoscopic thymectomies in myasthenic patients were followed up for 1 to 15...
2017: Journal of Visualized Surgery
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