Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia最新文献

{"title":"Temporary Stenting for Anastomotic Stenosis after Tracheal Resection of Adenoid Cystic Carcinoma: A Case Report.","authors":"Ryosuke Amemiya,&nbsp;Ikki Takada,&nbsp;Taisuke Matsubara,&nbsp;Shotaro Ono,&nbsp;Yukio Morishita,&nbsp;Norihiko Ikeda,&nbsp;Kinya Furukawa","doi":"10.5761/atcs.cr.22-00009","DOIUrl":"10.5761/atcs.cr.22-00009","url":null,"abstract":"<p><p>A 51-year-old man who noticed discomfort in the pharynx was found to have a tracheal tumor on physical examination. He was diagnosed as having adenoid cystic carcinoma by a transbronchial biopsy and underwent tracheal segmental resection via a collar incision. He was additionally treated with radiation therapy owing to a positive surgical margin, and he subsequently developed anastomotic tracheal stenosis. Silicon stent placement to open the airway was performed for the tracheal stenosis. One year after stent placement, the trachea was dilated, so the stent was removed, and he is still under follow-up without recurrence free 1.5 years after stent replacement.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"256-260"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/84/20/atcs-29-256.PMC10587473.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49686208","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":"Two Cases of Surgical Correction of Recurrent Mitral Regurgitation due to Failed Catheter- Delivered Mitral Clip (MitraClip).","authors":"Masahide Komagamine,&nbsp;Kan Nawata,&nbsp;Shota Kita,&nbsp;Kiyoshi Chiba,&nbsp;Shingo Kuwata,&nbsp;Yoshihiro Akashi,&nbsp;Takeshi Miyairi","doi":"10.5761/atcs.cr.22-00002","DOIUrl":"10.5761/atcs.cr.22-00002","url":null,"abstract":"<p><p>From April 2018 to February 2021, 150 patients underwent MitraClip implantation for severe functional mitral regurgitation (MR) at our hospital. Two of our patients, an 85-year-old man and an 84-year-old woman, developed a single leaflet device attachment in the acute phase after the implantation and had severe residual MR requiring surgical correction. The recurrent MR was first pointed out on day 5 and day 4, and the duration between MitraClip implantation and surgery was 13 and 55 days, respectively. Due to strong adhesions with the clips and severe valve damage after MitraClip implantation, both cases underwent mitral valve replacement with a good postoperative course. In patients with a high-risk baseline profile, surgical mitral valve replacement after failed MitraClip implantation should be considered at an optimal timing, and a detailed echocardiographic follow-up is required.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"266-269"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/19/2b/atcs-29-266.PMC10587475.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49686209","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":"Necessity of Multi-Step Surgical Treatment for Patients with Interstitial Lung Disease and a Pneumothorax.","authors":"Akira Iyoda,&nbsp;Yoko Azuma,&nbsp;Takashi Sakai,&nbsp;Satoshi Koezuka,&nbsp;Hajime Otsuka,&nbsp;Atsushi Sano","doi":"10.5761/atcs.oa.22-00087","DOIUrl":"https://doi.org/10.5761/atcs.oa.22-00087","url":null,"abstract":"<p><strong>Purpose: </strong>A pneumothorax occurs in 3%-8% of patients with idiopathic pulmonary fibrosis. A pneumothorax may predict a poor outcome in patients with interstitial lung disease (ILD), and it is difficult to treat patients with ILD and a pneumothorax.</p><p><strong>Patients and methods: </strong>We retrospectively studied data from all 12 patients with ILD and a pneumothorax who underwent surgical treatment at Toho University Omori Medical Center Hospital between 2009 and 2021.</p><p><strong>Results: </strong>Of the 12 patients, 2 had home oxygen therapy preoperatively and were classified with grade IV interstitial pneumonia (IP). Six patients had preoperative pleurodesis and two had postoperative one using auto-blood. Three patients (25%) had multi-step surgery ≥2, and 5 patients had surgical resection of bullae. No patients had postoperative acute exacerbations and all were discharged from the hospital in a stable condition. The 5-year overall survival rate for all patients was 70.0%. The median survival time was not reached. One patient with unclassified IP was doing well 116 months after surgery.</p><p><strong>Conclusion: </strong>Patients with ILD and a pneumothorax were shown to require multi-step surgical treatment and can anticipate long-term survival.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"329-333"},"PeriodicalIF":1.3,"publicationDate":"2022-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/7b/af/atcs-28-329.PMC9585332.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40579106","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":"Prognosis for Mitral Valve Repair Surgery in Functional Mitral Regurgitation.","authors":"Rafael Campos-Arjona,&nbsp;Jorge Rodríguez-Capitán,&nbsp;José D Martínez-Carmona,&nbsp;Alexey Lavreshin,&nbsp;Loudes Fernández-Romero,&nbsp;José M Melero-Tejedor,&nbsp;Manuel Jiménez-Navarro","doi":"10.5761/atcs.oa.22-00051","DOIUrl":"https://doi.org/10.5761/atcs.oa.22-00051","url":null,"abstract":"<p><strong>Purpose: </strong>Our aim was to evaluate the development of new significant mitral regurgitation and long-term survival after mitral repair surgery in functional mitral regurgitation.</p><p><strong>Methods: </strong>A retrospective observational analysis of the recurrence of functional mitral regurgitation (ischemic and nonischemic) and global mortality during follow-up of 176 patients who underwent mitral repair surgery between 1999 and 2018 in our center was conducted.</p><p><strong>Results: </strong>The etiology of functional mitral regurgitation was ischemic in 55.7% of cases. After surgery, mitral regurgitation was 0-I in 92.3% of cases. We conducted a long-term clinical follow-up of a mean 42.2 months and an echocardiographic follow-up of a mean 41.8 months. We observed mitral regurgitation of at least grade II in 52 patients (36.9%). Survival at 1, 3, and 5 years was 78.8%, 66.7%, and 52.3%, respectively. Predictive factors for global mortality were age (hazard ratio = 1.038, p = 0.01) and a depressed preoperative ejection fraction. After a competing risk analysis, we found the only predictive factor for the recurrence of mitral regurgitation in our series to be age (sub-hazard ratio = 1.03, 95% confidence interval = 1.01-1.06, p = 0.016).</p><p><strong>Conclusion: </strong>Repair surgery for functional mitral regurgitation shows age as the only independent predictor of recurrence. Age and depressed ejection fraction were predictors of mortality.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"342-348"},"PeriodicalIF":1.3,"publicationDate":"2022-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/83/bb/atcs-28-342.PMC9585337.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40605864","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":"Hsa_circ_0079530/AQP4 Axis Is Related to Non-Small Cell Lung Cancer Development and Radiosensitivity.","authors":"Xianghui Yang,&nbsp;Min Li,&nbsp;Yang Zhao,&nbsp;Xiaolang Tan,&nbsp;Jiqing Su,&nbsp;Xi Zhong","doi":"10.5761/atcs.oa.21-00237","DOIUrl":"https://doi.org/10.5761/atcs.oa.21-00237","url":null,"abstract":"<p><strong>Background: </strong>Circular RNAs are associated with non-small cell lung cancer (NSCLC) development and radiosensitivity. Nevertheless, the function and regulation mechanism of hsa_circ_0079530 (circ_0079530) in NSCLC development and radiosensitivity are largely unknown.</p><p><strong>Methods: </strong>The abundances of circ_0079530, microRNA (miR-409-3p), aquaporin 4 (AQP4), E-cadherin, intercellular adhesion molecule-1, vitronectin, proliferating cell nuclear antigen, and matrix metalloproteinase 9 were determined via quantitative reverse transcription polymerase chain reaction or western blotting. Cell proliferation, survival fraction, cycle process, migration, invasion, and in vivo growth were examined by cell counting kit-8, colony formation, flow cytometry, transwell, and xenograft analyses. The binding relationship was assessed via dual-luciferase reporter assay and RNA immunoprecipitation assay.</p><p><strong>Results: </strong>Circ_0079530 expression was increased in NSCLC tissues and radioresistant samples. Circ_0079530 knockdown restrained cell proliferation, migration, and invasion, and facilitated radiosensitivity. Circ_0079530 silence decreased tumor growth with or without radiation treatment. Circ_0079530 was verified as a miR-409-3p sponge, and miR-409-3p downregulation mitigated the effects of circ_0079530 interference on NSCLC cell malignancy and radiosensitivity. AQP4 was directly targeted by miR-409-3p. MiR-409-3p restrained cell proliferation, migration, and invasion, and enhanced radiosensitivity by decreasing AQP4 expression. Notably, circ_0079530 silence decreased AQP4 expression by regulating miR-409-3p expression.</p><p><strong>Conclusion: </strong>Circ_0079530 silence repressed cell proliferation, migration, and invasion, and facilitated radiosensitivity in NSCLC cells by mediating miR-409-3p/AQP4 axis.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"307-319"},"PeriodicalIF":1.3,"publicationDate":"2022-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/5f/fc/atcs-28-307.PMC9585336.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40637964","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":"Radiofrequency Ablation in Patients Undergoing Mitral Valve Surgery with or without Giant Left Atria.","authors":"Qing Ye,&nbsp;Yichen Zhao,&nbsp;Kemin Liu,&nbsp;Cheng Zhao,&nbsp;Yang Liu,&nbsp;Yuqi Li,&nbsp;Jiangang Wang","doi":"10.5761/atcs.oa.22-00033","DOIUrl":"https://doi.org/10.5761/atcs.oa.22-00033","url":null,"abstract":"<p><strong>Purpose: </strong>We aimed to compare the efficacy of radiofrequency ablation (RFA) in patients undergoing mitral valve (MV) surgery with or without giant left atria.</p><p><strong>Methods: </strong>This retrospective, single-center, cohort study investigated patients who underwent MV surgery and concomitant RFA from 2009 to 2019. Patients were divided into non-giant left atria (diameter ≤65 mm, n = 1543) and giant left atria (diameter >65 mm, n = 241) groups. Five-year freedom from atrial tachyarrhythmia recurrence and thromboembolic event (TE) rates were assessed with death as the competing risk factor with and without propensity-score matching.</p><p><strong>Results: </strong>Patients with giant left atria had higher mortality (10.8% versus 6.2%, P = 0.008) and readmission rates for heart failure than those without (12.0% versus 6.8%, P = 0.004). Atrial tachyarrhythmia recurrence rates were higher in patients with giant left atria than in those without (49% versus 24% at 5 years, P <0.001), but the cumulative incidence of TEs before (P = 0.944) and after (P = 0.695) propensity-score matching was comparable.</p><p><strong>Conclusions: </strong>RFA effectively prevented TEs in patients with giant left atria, despite significant atrial tachyarrhythmia recurrence. Atrial tachyarrhythmia recurrence did not increase the risk of TEs. A lower success rate should be considered when deciding whether to perform surgical ablation in patients with giant left atria.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"349-358"},"PeriodicalIF":1.3,"publicationDate":"2022-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/90/80/atcs-28-349.PMC9585334.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40565098","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":"Randomized Controlled Trial of Oral Tranexamic Acid Intervention for the Prevention of Type II Endoleak after Endovascular Abdominal Aneurysm Repair.","authors":"Yusuke Imaeda,&nbsp;Hiroyuki Ishibashi,&nbsp;Yuki Orimoto,&nbsp;Yuki Maruyama,&nbsp;Hiroki Mitsuoka,&nbsp;Takahiro Arima","doi":"10.5761/atcs.oa.22-00100","DOIUrl":"https://doi.org/10.5761/atcs.oa.22-00100","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to evaluate tranexamic acid (TA) for the prevention of type II endoleak (EL2) at a high level of evidence by a randomized controlled trial.</p><p><strong>Methods: </strong>Patients who underwent endovascular aneurysm repair (EVAR) between May 2017 and January 2020 were included. Patients in the TA group were given 750 mg of TA daily for a month after EVAR. The incidence of EL2, blood coagulation/fibrinolytic ability, and changes in aneurysm diameter were compared between two groups.</p><p><strong>Result: </strong>On the 7th day after EVAR, EL2 was found in 14 patients (34.1%) in the TA group and in 7 patients (15.9%) in the non-TA group. It was also found in 12 patients (29.3%) in the TA group and 6 patients (13.6%) in the non-TA group at 1 month after EVAR. There was no significant difference in the incidence of EL2 between the two groups (p = 0.051, 0.08). Blood tests revealed that fibrin degradation product and D-dimer were significantly suppressed in the TA group, there was no significant difference in the change of diameter regardless of the TA intake.</p><p><strong>Conclusion: </strong>This study proved anti-fibrinolytic effect of the TA, but it alone had not enough power to decrease EL2 after EVAR.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"286-292"},"PeriodicalIF":1.3,"publicationDate":"2022-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/7e/58/atcs-28-286.PMC9433891.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40588375","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 Management for Systolic Anterior Motion (SAM) of the Mitral Valve in Obstructive Hypertrophic Myopathy.","authors":"Akihiko Usui,&nbsp;Masato Mutsuga","doi":"10.5761/atcs.ra.22-00103","DOIUrl":"https://doi.org/10.5761/atcs.ra.22-00103","url":null,"abstract":"<p><p>In patients with obstructive hypertrophic cardiomyopathy, left ventricular outflow tract (LVOT) obstruction can be created by the hypertrophic interventricular septum (IVS) as well as systolic anterior motion (SAM) of the anterior mitral leaflet (AML). Sufficient septal myectomy is a fundamental surgical technique to treat LVOT obstruction, however, direct surgical management for SAM is another key aspect. Besides the hypertrophic IVS, mitral valve, subvalvular apparatus, and papillary muscle may play important role for SAM and several surgical techniques have been proposed to treat SAM in literature. In this review, each surgical technique is classified by the anatomical structure on which the surgical procedure is applied. The AML is the main surgical site and is applied with plication (vertical plication, resection-plication-release strategy), extension (the AML extension, transverse incision of the AML), sutured (edge-to-edge repair, anterior leaflet retention plasty), or traction (floating stitch, papillary muscle-to-anterior annulus stitches, paradoxical stitches, transposition of a directed chorda tendinea to the AML). Height reduction of the posterior mitral valve leaflet and papillary muscle reorientation are other techniques. We should understand theoretical aspects of each technique on correction of anatomical and functional abnormalities of the structure and should apply them under proper indication.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"239-248"},"PeriodicalIF":1.3,"publicationDate":"2022-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/91/fa/atcs-28-239.PMC9433892.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40605865","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 of the Segment-Counting Method in Predicting Lung Function and Volume Following Stapler-Based Thoracoscopic Segmentectomy.","authors":"Nobuyuki Yoshiyasu,&nbsp;Fumitsugu Kojima,&nbsp;Hirotomo Takahara,&nbsp;Toru Bando","doi":"10.5761/atcs.oa.21-00111","DOIUrl":"https://doi.org/10.5761/atcs.oa.21-00111","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the accuracy of a segment-counting method in predicting lung function and volume after stapler-based thoracoscopic segmentectomy in comparison with lobectomy.</p><p><strong>Methods: </strong>Between 2014 and 2018, patients who underwent these procedures were retrospectively reviewed. Thoracic computed tomography and spirometry data before and 1 year after the surgery were assessed. We evaluated the differences between the predicted values using a segment-counting method and the actual postoperative values for lung function and volume in each group. Sub-analyses were also performed to assess the impact of the number of staples and resected segments in predicting patient outcomes.</p><p><strong>Results: </strong>We included 116 patients (segmentectomy, 69; lobectomy, 47). Actual postoperative lung function and volume values matched the predicted values in the stapler-based segmentectomy group, and significantly exceeded the predictions in the lobectomy group (P <0.01). Sub-analyses revealed lower postoperative lung function values than predicted existed after single segmentectomy, with an odds ratio of 3.29 (95% confidence interval: 1.02-10.70, P = 0.04) in a multivariable analysis. The degree of predicted error regarding lung function was negligible.</p><p><strong>Conclusions: </strong>The segment-counting method was useful in predicting lung function after stapler-based thoracoscopic segmentectomy. Segmentectomy rarely yielded lower-than-predicted lung function and volume values.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"121-128"},"PeriodicalIF":1.3,"publicationDate":"2022-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/d9/f0/atcs-28-121.PMC9081460.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39444883","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":"Tracheoplasty for Congenital Tracheal Stenosis with Bilateral Tracheal Bronchus.","authors":"Masaya Yamoto,&nbsp;Koji Fukumoto,&nbsp;Naoto Urushihara","doi":"10.5761/atcs.cr.19-00198","DOIUrl":"https://doi.org/10.5761/atcs.cr.19-00198","url":null,"abstract":"<p><strong>Introduction: </strong>Congenital tracheal stenosis (CTS) with a bilateral tracheal bronchus (TB) has not been reported as a subtype of CTS. A novel technique to manage CTS in patients with a bilateral TB is described.</p><p><strong>Case report: </strong>An infant with tetralogy of Fallot underwent repair of cardiac anomaly at age 1 month. He experienced numerous cyanosis and episodes of transient respiratory arrest. Chest computed tomography (CT) demonstrated an aberrant bilateral upper lobe bronchus arising directly from the trachea and a stenotic trachea connecting the pseudo- carina to the true carina between the common right lower and left lower bronchus. On bronchoscopy, the diameter of the lumen of the narrowed segment was estimated to be less than 2 mm. Tracheal reconstruction was undertaken when he was 2 years of age. The surgical technique using a modified slide tracheoplasty for the correction of this anomaly are described. After surgery, the patient was extubated and has had no respiratory symptoms.</p><p><strong>Discussion and conclusion: </strong>The patient had unique anatomic considerations that made reconstruction challenging. Our technique of covering a stenotic section by normal trachea is a modification of the slide tracheoplasty technique and is useful for CTS with a unilateral and a bilateral TB.</p>","PeriodicalId":93877,"journal":{"name":"Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia","volume":" ","pages":"159-162"},"PeriodicalIF":1.3,"publicationDate":"2022-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.5761/atcs.cr.19-00198","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"37591271","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}