http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
박샘이나,정용우,이현주,박인규,강창현,김영태 대한흉부외과학회 2020 Journal of Chest Surgery (J Chest Surg) Vol.53 No.3
Background: Evidence is lacking on whether the resection of lung parenchymal cancer improves the survival of patients with unexpected pleural metastasis encountered during surgery. We conducted a single-center retrospective study to determine the role of lung resection in the long-term survival of these patients. Methods: Among 4683 patients who underwent lung surgery between 1995 and 2014, 132 (2.8%) had pleural metastasis. After excluding 2 patients who had incomplete medical records, 130 patients’ data were collected. Only a diagnostic pleural and/or lung biopsy was performed in 90 patients, while the lung parenchymal mass was resected in 40 patients. Results: The mean follow-up duration was 29.8 months. The 5-year survival rate of the resection group (34.7%±9.4%) was superior to that of the biopsy group (15.9%±4.3%, p=0.016). Multivariate Cox regression analysis demonstrated that primary tumor resection (p=0.041), systemic treatment (p<0.001), lower clinical N stage (p=0.018), and adenocarcinoma histology (p=0.009) were significant predictors of a favorable outcome. Interestingly, primary tumor resection only played a significant prognostic role in patients who received systemic treatment. Conclusion: When pleural metastasis is unexpectedly encountered during surgical exploration, resection in conjunction with systemic treatment may improve long-term survival, especially in adenocarcinoma patients without lymph node metastasis.
Robot-Assisted Thoracic Surgery Thymectomy
박샘이나 대한흉부외과학회 2021 Journal of Chest Surgery (J Chest Surg) Vol.54 No.4
Robotic thymectomy has been adopted recently and has been shown to be safe and feasible in treating thymic tumors and myasthenia gravis. The surgical indications of robotic technology are expanding, with advantages including an excellent surgical view and sophisticated manipulation. Herein, we describe technical aspects, considerations, and outcomes of robotic thymectomy.
Midterm Follow-up after Cryopreserved Homograft Replacement in the Aortic Position
박샘이나,안혁,황호영,김경환,김기봉 대한흉부외과학회 2012 Journal of Chest Surgery (J Chest Surg) Vol.45 No.1
Background: The long-term results of homografts used in systemic circulation are controversial. We assessed the long-term results of using a cryopreserved homograft for an aortic root or aorta and its branch replacement. Materials and Methods: From June 1995 to January 2010, 23 patients (male:female=15:8, 45.4±15.6 years) underwent a homograft replacement in the aortic position. The surgical techniques used were aortic root replacement in 15 patients and aortic graft interposition in 8 patients. Indications for the use of a homograft were systemic vasculitis (n=15) and complicated infection (n=8). The duration of clinical follow-up was 65±58 months. Results: Early mortality occurred in 2 patients (8.7%). Perioperative complications included atrial arrhythmia (n=3), acute renal failure (n=3), and low cardiac output syndrome (n=2). Late mortality occurred in 6 patients (26.1%). The overall survival rates at 5 and 10 years were 66.3% and 59.6%, respectively. Six patients (28.6%) suffered from homograft-related complications. Conclusion: Early results of homograft replacement in aortic position were favorable. However, close long-term follow-up is required due to the high rate of homograft-related events.
박샘이나,김수환,임홍국,임청,김용진 대한흉부외과학회 2013 Journal of Chest Surgery (J Chest Surg) Vol.46 No.1
Background: Glutaraldehyde (GA) is a widely used cross-linking agent for improving mechanical properties and resistance to enzymatic degradation of collagenous tissue, but it has several drawbacks such as calcification and cytotoxicity. The aim of this study was to find the alternative effective cross-linking methods to GA. Materials and Methods: Bovine pericardium was processed with GA with ethanol+octanol and glycine detoxification, and polyethylene glycol (PG) space filler, dimethyl 3,3’-dithiobispropionimidate (DTBP), 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) treatment, and the physical fixation of ultraviolet irradiation were done. The biologic material properties of variously treated pericardial tissues were assessed by biochemical, mechanical and histological tests. Treated pericardial tissues were also implanted subcutaneously or intramuscularly into the rabbit for 10 weeks to assess the xenoreactive antibody response of immunoglobulin G and M, their anti-calcification effect. Results: The biochemical and mechanical properties of EDC fixed pericardial tissues were comparable to the GA fixed tissue. The cytotoxicity was lowest in space filler treated GA fixed group. In rabbit subcutaneous or intramuscular implantation models, decellularization, space filler, EDC treatment group showed significantly lower calcium content than GA only and DTBP treatment group (p<0.05, analysis of variance). The titer of anti Galα1-3Galβ1-4GlcNAc-R antibodies did not change in the postimplantation serial enzyme-linked immunosorbent assay. Hematoxylin and eosin and von Kossa staining showed that decellularization, space filler, EDC, and ultraviolet treatment had less inflammatory cell infiltration and calcium deposits. Conclusion: The decellularization process, PG filler, and EDC treatments are good alternative cross-linking methods compared to GA only fixation and primary amine of DTBP treatment for cardiovascular xenograft preservation in terms of the collagen cross-linking stability and in vivo anti-calcification effects.
박샘이나,박인규,김응래,황유화,이현주,강창현,김영태 대한암학회 2017 Cancer Research and Treatment Vol.49 No.2
Purpose We investigated current trends in lung cancer surgery and identified demographic and social factors related to changes in these trends. Materials and Methods We estimated the incidence of lung cancer surgery using a procedure code-based approach provided by the Health Insurance Review and Assessment Service (http://opendata.hira. or.kr). The population data were obtained every year from 2010 to 2014 from the Korean Statistical Information Service (http://kosis.kr/). The annual percent change (APC) and statistical significance were calculated using the Joinpoint software. Results From January 2010 to December 2014, 25,687 patients underwent 25,921 lung cancer surgeries, which increased by 45.1% from 2010 to 2014. The crude incidence rate of lung cancer surgery in each year increased significantly (APC, 9.5; p < 0.05). The male-to-female ratio decreased from 2.1 to 1.6 (APC, 6.3; p < 0.05). The incidence increased in the age group of 70 years for both sexes (male: APC, 3.7; p < 0.05; female: APC, 5.96; p < 0.05). Furthermore, the proportion of female patients aged 65 years increased (APC, 7.2; p < 0.05), while that of male patients aged < 65 years decreased (APC, 3.9; p < 0.05). The proportions of segmentectomies (APC, 17.8; p < 0.05) and lobectomies (APC, 7.5; p < 0.05) increased, while the proportion of pneumonectomies decreased (APC, 6.3; p < 0.05). Finally, the proportion of patients undergoing surgery in Seoul increased (APC, 1.1; p < 0.05), while the proportion in other areas decreased (APC, 1.5; p < 0.05). Conclusion An increase in the use of lung cancer surgery in elderly patients and female patients, and a decrease in the proportion of patients requiring extensive pulmonary resection were identified. Furthermore, centralization of lung cancer surgery was noted.
Technical Aspects of Lung Transplantation: General Considerations
박샘이나,김영태 대한흉부외과학회 2022 Journal of Chest Surgery (J Chest Surg) Vol.55 No.4
Surgical approaches to lung transplantation in adults vary substantially among surgeons and institutions, but the underlying principles are consistent. This article provides a surgical overview of bilateral sequential lung transplantation.