Korean Journal of Thoracic and Cardiovascular Surgery最新文献

{"title":"Clinical Value of Intraoperative Flow Measurements of Brachiocephalic Arteriovenous Fistulas for Hemodialysis.","authors":"Jonggeun Lee,&nbsp;Seogjae Lee,&nbsp;Jee Won Chang,&nbsp;Su Wan Kim,&nbsp;Jung-Kook Song","doi":"10.5090/kjtcs.2020.53.3.121","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.3.121","url":null,"abstract":"<p><strong>Background: </strong>The aim of this study was to analyze the clinical outcomes of autogenous brachiocephalic arteriovenous fistulas and to investigate the factors associated with 1-year patency after initiation of hemodialysis.</p><p><strong>Methods: </strong>We retrospectively reviewed the medical records of 41 patients who underwent surgery to create an autogenous brachiocephalic arteriovenous fistula between January 2015 and December 2017, received hemodialysis at the same hospital for longer than 1 year, and were monitored for their vascular access status. Intraoperative flow was measured using transit-time ultrasonography.</p><p><strong>Results: </strong>The 1-year primary and secondary patency rates were 61% (n=25) and 87.8% (n=36), respectively. The functional group (subjects who required no intervention to maintain patency within the first year after hemodialysis initiation) displayed a significantly higher median intraoperative flow rate (450 mL/min) than the non-functional group (subjects who required intervention at least once regardless of 1-year patency) (275 mL/min) (p=0.038). Based on a receiver operating characteristic curve analysis, all patients were additionally subdivided into a high-flow group (>240 mL/min) and a low-flow group (≤240 mL/min). The high-flow group included a significantly greater number of functional brachiocephalic arteriovenous fistulas than the low-flow group (74.2% vs. 20%, respectively; p=0.007).</p><p><strong>Conclusion: </strong>Transit-time flow, as measured with intraoperative transit-time ultrasonography, was associated with patency without the need for intervention at 1 year after initiation of hemodialysis.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 3","pages":"121-126"},"PeriodicalIF":0.0,"publicationDate":"2020-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/0a/c5/KJTCV-53-121.PMC7287223.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38055639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of Sarcopenia on Early Postoperative Complications in Early-Stage Non-Small-Cell Lung Cancer.","authors":"Jiyun Lee,&nbsp;Seok Whan Moon,&nbsp;Jung Suk Choi,&nbsp;Kwanyong Hyun,&nbsp;Young Kyu Moon,&nbsp;Mi Hyoung Moon","doi":"10.5090/kjtcs.2020.53.3.93","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.3.93","url":null,"abstract":"<p><strong>Background: </strong>Risk assessment for pulmonary resection in patients with early-stage non-small-cell lung cancer (NSCLC) is important for minimizing postoperative morbidity. Depletion of skeletal muscle mass is closely associated with impaired nutritional status and limited physical ability. We evaluated the relationship between skeletal muscle depletion and early postoperative complications in patients with early-stage NSCLC.</p><p><strong>Methods: </strong>Patients who underwent curative lung resection between 2016 and 2018 and who were diagnosed with pathological stage I/II NSCLC were included, and their records were retrospectively analyzed. The psoas volume index (PVI, cm³/m³) was calculated based on computed tomography images from routine preoperative positron emission tomography-computed tomography. Early postoperative complications, defined as those occurring within 90 days of surgery, were compared between the lowest sex-specific quartile for PVI and the remaining quartiles.</p><p><strong>Results: </strong>A strong correlation was found between the volume and the cross-sectional area of the psoas muscle (R²=0.816). The overall rate of complications was 57.6% among patients with a low PVI and 32.8% among those with a normal-to-high PVI. The most common complication was prolonged air leak (low PVI, 16.9%; normal-to-high PVI, 9.6%), followed by pneumonia (low PVI, 13.6%; normal-to-high PVI, 7.9%) and recurrent pleural effusion (low PVI, 11.9%; normal-to-high PVI, 6.8%). The predictors of overall complications were low PVI (odds ratio [OR], 2.18; 95% confidence interval [CI], 1.07-4.09; p=0.03), low hemoglobin level (OR, 0.686; 95% CI, 0.54-0.87; p=0.002), and smoking history (OR, 3.93; 95% CI, 2.03-7.58; p<0.001).</p><p><strong>Conclusion: </strong>Low PVI was associated with a higher rate of early postoperative complications in patients with early-stage NSCLC.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 3","pages":"93-103"},"PeriodicalIF":0.0,"publicationDate":"2020-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/53/ea/KJTCV-53-093.PMC7287218.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38057374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nodal Outcomes of Uniportal versus Multiportal Video-Assisted Thoracoscopic Surgery for Clinical Stage I Lung Cancer.","authors":"Jung Suk Choi,&nbsp;Jiyun Lee,&nbsp;Young Kyu Moon,&nbsp;Seok Whan Moon,&nbsp;Jae Kil Park,&nbsp;Mi Hyoung Moon","doi":"10.5090/kjtcs.2020.53.3.104","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.3.104","url":null,"abstract":"<p><strong>Background: </strong>Accurate intraoperative assessment of mediastinal lymph nodes is a critical aspect of lung cancer surgery. The efficacy and potential for upstaging implicit in these dissections must therefore be revisited in the current era of uniportal video-assisted thoracoscopic surgery (VATS).</p><p><strong>Methods: </strong>A retrospective study was conducted in which 544 patients with stage I (T1abc-T2a, N0, M0) primary lung cancer were analyzed. To assess risk factors for nodal upstaging and to limit any imbalance imposed by surgical choices, we constructed an inverse probability of treatment-weighted (IPTW) logistic regression model (in addition to non-weighted logistic models). We also evaluated risk factors for early locoregional recurrence using IPTW logistic regression analysis.</p><p><strong>Results: </strong>In the comparison of uniportal and multiportal VATS, the resected lymph node count (14.03±8.02 vs. 14.41±7.41, respectively; p=0.48) and rate of nodal upstaging (6.5% vs. 8.7%, respectively; p=0.51) appeared similar. Predictors of nodal upstaging included tumor size (odds ratio [OR], 1.74; 95% confidence interval [CI], 1.12-2.70), carcinoembryonic antigen level (OR, 1.11; 95% CI, 1.04-1.18), and histologically confirmed pleural invasion (OR, 3.97; 95% CI, 1.89-8.34). The risk factors for locoregional recurrence within 1 year were found to be number of resected N2 nodes, age, and nodal upstaging.</p><p><strong>Conclusion: </strong>Uniportal and multiportal VATS appear similar with regard to accuracy and thoroughness, showing no significant difference in the extent of nodal dissection.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 3","pages":"104-113"},"PeriodicalIF":0.0,"publicationDate":"2020-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/ee/79/KJTCV-53-104.PMC7287225.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38057375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Role of Primary Tumor Resection in Patients with Pleural Metastasis Encountered at the Time of Surgery.","authors":"Samina Park,&nbsp;Yongwoo Chung,&nbsp;Hyun Joo Lee,&nbsp;In Kyu Park,&nbsp;Chang Hyun Kang,&nbsp;Young Tae Kim","doi":"10.5090/kjtcs.2020.53.3.114","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.3.114","url":null,"abstract":"<p><strong>Background: </strong>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.</p><p><strong>Methods: </strong>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.</p><p><strong>Results: </strong>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.</p><p><strong>Conclusion: </strong>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.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 3","pages":"114-120"},"PeriodicalIF":0.0,"publicationDate":"2020-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/b9/b9/KJTCV-53-114.PMC7287219.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38057376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Chylothorax after Surgery for Congenital Cardiac Disease: A Prevention and Management Protocol.","authors":"Yu Rim Shin,&nbsp;Ha Lee,&nbsp;Young-Hwan Park,&nbsp;Han Ki Park","doi":"10.5090/kjtcs.2020.53.2.41","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.2.41","url":null,"abstract":"<p><strong>Background: </strong>Chylothorax after congenital heart surgery is not an uncommon complication, and it is associated with significant morbidity. However, consensus treatment guidelines are lacking. To improve the treatment outcomes of patients with postoperative chylothorax, we implemented a standardized management protocol at Severance Hospital in September 2014.</p><p><strong>Methods: </strong>A retrospective review of patients treated at a single center was done. All corrective and palliative operations for congenital heart disease performed at our institution between January 2008 and April 2018 were reviewed. The incidence and treatment outcomes of postoperative chylothorax were analyzed.</p><p><strong>Results: </strong>The incidence of chylothorax was 1.9%. Sixty-one percent of the patients could be managed with a low-fat diet, while 28% of the patients required complete restriction of enteral feeding. Thoracic duct embolization was performed in 2 patients and chest tube drainage decreased immediately after the procedure. No patient required thoracic duct ligation or pleurodesis. After implementation of the institutional management protocol, the number of chest tube drainage days decreased (median, 24 vs. 14 days; p=0.45).</p><p><strong>Conclusion: </strong>Implementing a strategy to reduce postoperative chylothorax resulted in an acceptable incidence of postoperative chylothorax. Instituting a clinical practice protocol helped to curtail the treatment duration and to decrease the requirement for surgical treatment. Image-guided embolization of the thoracic duct is an effective treatment for postoperative chylothorax.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 2","pages":"41-48"},"PeriodicalIF":0.0,"publicationDate":"2020-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/79/80/kjtcv-53-041.PMC7155178.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37851761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Factors Affecting the Number of Stapler Cartridges in Complete Video-Assisted Thoracoscopic Surgery Lobectomy for Non-small Cell Lung Cancer.","authors":"Young Ho Yang,&nbsp;Seokkee Lee,&nbsp;Chang Young Lee,&nbsp;Dae Joon Kim,&nbsp;Jin Gu Lee,&nbsp;Kyung-Young Chung","doi":"10.5090/kjtcs.2020.53.2.53","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.2.53","url":null,"abstract":"<p><strong>Background: </strong>Video-assisted thoracoscopic surgery (VATS) lobectomy has become the major surgical option for the treatment of non-small cell lung cancer (NSCLC). Endoscopic instruments such as stapler cartridges are essential for VATS procedures. In this study, we investigated the factors that affect the number of stapler cartridges used in VATS lobectomy.</p><p><strong>Methods: </strong>A retrospective analysis was conducted of patients who underwent complete VATS lobectomy for NSCLC from January 2013 to December 2015.</p><p><strong>Results: </strong>In total, 596 patients underwent complete VATS lobectomy. The average number of stapler cartridges used for VATS lobectomy was 5.3±1.9. The number of stapler cartridges used for VATS lobectomy was higher in men (5.5±1.9 vs. 5.0±18, p=0.006), those aged older than 70 years (5.5±2.1 vs. 5.1±1.7, p=0.038), those who underwent upper or middle lobectomy procedures (5.7±1.9 vs. 4.1±1.2, p<0.001), those with a higher fissure sum average (p<0.001), and those in whom surgery was performed by a surgeon with a preference for staplers (5.6±2.0 vs. 4.9±1.6, p<0.001).</p><p><strong>Conclusion: </strong>The number of stapler cartridges required to perform VATS lobectomy in NSCLC patients appears to be influenced by sex, age, the location of the tumor, the degree of fissure development, and the surgeon's preference.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 2","pages":"53-57"},"PeriodicalIF":0.0,"publicationDate":"2020-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/95/0e/kjtcv-53-053.PMC7155176.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37851763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Surgical Outcomes of Type A Aortic Dissection at a Small-Volume Medical Center: Analysis according to the Extent of Surgery.","authors":"Chul Ho Lee,&nbsp;Jun Woo Cho,&nbsp;Jae Seok Jang,&nbsp;Tae Hong Yoon","doi":"10.5090/kjtcs.2020.53.2.58","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.2.58","url":null,"abstract":"<p><strong>Background: </strong>Despite progress in treatment, Stanford type A aortic dissection is still a life-threatening disease. In this study, we analyzed surgical outcomes in patients with Stanford type A aortic dissection according to the extent of surgery at Daegu Catholic University Medical Center.</p><p><strong>Methods: </strong>We retrospectively analyzed 98 patients with Stanford type A aortic dissection who underwent surgery at our institution between January 2008 and June 2018. Of these patients, 82 underwent limited replacement (hemi-arch or ascending aortic replacement), while 16 patients underwent total arch replacement (TAR). We analyzed in-hospital mortality, postoperative complications, the overall 5-year survival rate, and the 5-year aortic event-free survival rate.</p><p><strong>Results: </strong>The median follow-up time was 48 months (range, 1-128 months), with a completion rate of 85.7% (n=84). The overall in-hospital mortality rate was 8.2%: 6.1% in the limited replacement group and 18.8% in the TAR group (p=0.120). The overall 5-year survival rate was 78.8% in the limited replacement group and 81.3% in the TAR group (p=0.78). The overall 5-year aortic event-free survival rate was 85.3% in the limited replacement group and 88.9% in the TAR group (p=0.46).</p><p><strong>Conclusion: </strong>The extent of surgery was not related to the rates of in-hospital mortality, complications, aortic events, or survival. Although this study was conducted at a small-volume center, the in-hospital mortality and 5-year survival rates were satisfactory.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 2","pages":"58-63"},"PeriodicalIF":0.0,"publicationDate":"2020-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/9e/04/kjtcv-53-058.PMC7155175.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37851764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The First Pediatric Heart Transplantation Bridged by a Durable Left Ventricular Assist Device in Korea.","authors":"Jung Hoon Shin,&nbsp;Han Ki Park,&nbsp;Se Yong Jung,&nbsp;Ah Young Kim,&nbsp;Jo Won Jung,&nbsp;Yu Rim Shin","doi":"10.5090/kjtcs.2020.53.2.79","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.2.79","url":null,"abstract":"<p><p>Treatment options for children with end-stage heart failure are limited. We report the first case of a successful pediatric heart transplantation bridged with a durable left ventricular assist device in Korea. A 10-month-old female infant with dilated cardiomyopathy and left ventricular non-compaction was listed for heart transplantation. During the waiting period, the patient's status deteriorated. Therefore, we decided to provide support with a durable left ventricular assist device as a bridge to transplantation. The patient was successfully bridged to heart transplantation with effective support and without any major adverse events.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 2","pages":"79-81"},"PeriodicalIF":0.0,"publicationDate":"2020-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/b4/5a/kjtcv-53-079.PMC7155184.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37851767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Superior Mediastinal Mass Revealed as Bronchopulmonary Sequestration Supplied by a Branch of the Left Pulmonary Artery.","authors":"Na Hyeon Lee,&nbsp;Hyo Yeong Ahn,&nbsp;Jeong Su Cho","doi":"10.5090/kjtcs.2020.53.2.89","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.2.89","url":null,"abstract":"<p><p>Bronchopulmonary sequestration (BPS) is a rare congenital abnormality of the lower airway, generally characterized by blood supply received from the systemic circulation. We present a rare case of a 19-year-old man with incidentally detected BPS supplied by a branch of a pulmonary artery, rather than a systemic artery. Computed tomography showed a sequestered segment supplied by a branch of the left pulmonary artery and containing an ectopic bronchus. As chest computed tomography revealed necrosis in the sequestered tissue, infection was presumed, and the tissue was surgically removed. This may represent a very unusual occurrence, as such cases have yet to be reported in the literature.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 2","pages":"89-91"},"PeriodicalIF":0.0,"publicationDate":"2020-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/0b/33/kjtcv-53-089.PMC7155181.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37850205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficacy and Cost-Effectiveness of Portable Small-Bore Chest Tube (Thoracic Egg Catheter) in Spontaneous Pneumothorax.","authors":"Hyon Keun Joh,&nbsp;Duk Hwan Moon,&nbsp;Sungsoo Lee","doi":"10.5090/kjtcs.2020.53.2.49","DOIUrl":"https://doi.org/10.5090/kjtcs.2020.53.2.49","url":null,"abstract":"<p><strong>Background: </strong>Primary spontaneous pneumothorax is commonly treated with chest tube insertion, which requires hospitalization. In this study, we evaluated the efficacy, costs, and benefits of a portable small-bore chest tube (Thoracic Egg; Sumitomo Bakelite Co. Ltd., Tokyo, Japan) compared with a conventional chest tube.</p><p><strong>Methods: </strong>We retrospectively analyzed all primary spontaneous pneumothorax patients who underwent treatment at Gangnam Severance Hospital between August 2014 and May 2018.</p><p><strong>Results: </strong>A total of 279 patients were divided into 2 groups: the conventional group (n=236) and the Thoracic Egg group (n=43). Of the 236 patients in the conventional group, 100 were excluded because they underwent surgery during the study period. The efficacy and cost were compared between the 2 groups. There was no statistically significant difference between the groups regarding recurrence (conventional group, 36 patients [26.5%]; Thoracic Egg group, 15 patients [29.4%]; p=0.287). However, the Egg group had statistically significantly lower mean medical expenses than the conventional group (433,413 Korean won and 522,146 Korean won, respectively; p<0.001).</p><p><strong>Conclusion: </strong>Although portable small-bore chest tubes may not be significantly more efficacious than conventional chest tubes, their use is significantly less expensive. We believe that the Thoracic Egg catheter could be a less costly alternative to conventional chest tube insertion.</p>","PeriodicalId":38678,"journal":{"name":"Korean Journal of Thoracic and Cardiovascular Surgery","volume":"53 2","pages":"49-52"},"PeriodicalIF":0.0,"publicationDate":"2020-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/2f/eb/kjtcv-53-049.PMC7155180.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37851762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}