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Interactive Cardiovascular and Thoracic Surgery

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https://www.readbyqxmd.com/read/28535202/clinical-implications-of-hypothermic-ventricular-fibrillation-versus-beating-heart-technique-during-cardiopulmonary-bypass-for-pulmonary-valve-replacement-in-patients-with-repaired-tetralogy-of-fallot
#1
Ji-Hyun Lee, Ji-Eun Lee, Jungho Shin, In-Kyung Song, Hee-Soo Kim, Chong-Sung Kim, Woong-Han Kim, Jin-Tae Kim
OBJECTIVES: This study aimed to compare the effects of hypothermic ventricular fibrillation and beating-heart techniques during cardiopulmonary bypass (CPB) on postoperative outcomes after simple pulmonary valve replacement in patients with repaired tetralogy of Fallot (TOF). METHODS: We retrospectively reviewed the data of 47 patients with repaired tetralogy of Fallot at a single institution, who received pulmonary valve replacement under the ventricular fibrillation or beating-heart technique without cardioplegic cardiac arrest during CPB between January 2005 and April 2015...
May 23, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28535198/transcatheter-aortic-valve-implantation-for-recurrent-valsalva-sinus-re-dissection-and-severe-aortic-regurgitation-shortly-after-surgery-for-type-a-aortic-dissection
#2
Elena Caporali, Giovanni Pedrazzini, Stefanos Demertzis, Enrico Ferrari
Delayed aortic regurgitation following Valsalva sinus re-dissection is a well-known complication that can occur at any time after surgery for type-A aortic dissection without root replacement. We describe a case of acute type-A dissection in an 81-year-old lady successfully treated with aortic valve resuspension and ascending aorta replacement with a 28-mm vascular graft. A month later, the patient was readmitted for worsening heart failure and a transthoracic echocardiogram showed severe aortic regurgitation secondary to non-coronary Valsalva sinus re-dissection and non-coronary aortic valve leaflet prolapse also confirmed at computed tomography scan...
May 23, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28525631/primary-leiomyosarcoma-of-inferior-vena-cava-adjacent-to-hepatic-veins-complete-off-pump-resection-and-inferior-vena-cava-graft-reconstruction-with-application-of-external-skin-surface-cooling
#3
Michael Malyshev, Sergey Zotov, Anton Malyshev, Andrey Rostovykh
OBJECTIVES: Resection of a leiomyosarcoma of the inferior vena cava (IVC) requires venovenous bypass, especially if IVC clamping above the hepatic veins is planned. This report describes the application of external skin surface cooling for off-pump resection of a primary IVC leiomyosarcoma adjacent to the hepatic veins with graft IVC reconstruction in conditions of suprahepatic caval clamping and uninterrupted Pringle's manoeuvre. METHODS: A 62-year-old woman presented with IVC leiomyosarcoma adjacent to the hepatic veins...
May 19, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28525608/surgical-resection-for-advanced-lung-cancer-using-the-hemi-clamshell-approach
#4
Yasushi Shintani, Ryu Kanzaki, Tomohiro Kawamura, Soichiro Funaki, Masato Minami, Meinoshin Okumura, Eiji Okura, Yoshihisa Kadota, Mitsunori Ohta
OBJECTIVES: The hemi-clamshell (HCS) approach consists of partial sternotomy with antero-lateral thoracotomy. This study evaluated the utilities and outcomes of the HCS approach in advanced lung cancer patients. METHODS: We retrospectively investigated 45 patients who underwent surgery for advanced lung cancer via the HCS procedure between 2000 and 2014, the indications for surgery being tumour invasion extending to the aorta arch in 5, descending aorta in 9, main pulmonary artery in 5, superior vena cava in 6, right or left atrium in 4, apical thoracic dome in 7 patients and mediastinal lymphadenopathy for left-sided lung cancer in 12...
May 19, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28525548/computational-fluid-dynamics-characterization-of-pulsatile-flow-in-central-and-sano-shunts-connected-to-the-pulmonary-arteries-importance-of-graft-angulation-on-shear-stress-induced-platelet-mediated-thrombosis
#5
Robert Ascuitto, Nancy Ross-Ascuitto, Martin Guillot, Carey Celestin
OBJECTIVES: Central (aorta) and Sano (right ventricle)-to-pulmonary artery (PA) shunts, palliative operations for infants with complex heart defects, can develop life-threatening thrombosis. We employed computational fluid dynamics (CFD) to study pulsatile flow in these shunts, with the goal to identify haemodynamic characteristics conducive to thrombus formation. METHODS: CFD, using the finite volume method with cardiac catheterization data, and computer simulations, based on angiography, were employed to determine flow-velocity field, wall shear stress (WSS) profile and oscillatory shear index (OSI)...
May 19, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28521033/lymph-node-metastases-in-thymic-malignancies-a-chinese-alliance-for-research-in-thymomas-retrospective-database-analysis%C3%A2
#6
Zhitao Gu, Yucheng Wei, Jianhua Fu, Lijie Tan, Peng Zhang, Yongtao Han, Chun Chen, Renquan Zhang, Yin Li, Keneng Chen, Hezhong Chen, Yongyu Liu, Youbing Cui, Yun Wang, Liewen Pang, Zhentao Yu, Xinming Zhou, Yangchun Liu, Yi Shen, Wentao Fang
OBJECTIVES: Lymphatic involvement is believed to be relatively rare in thymic epithelial tumours. The incidence and prognostic significance of nodal metastases are still unclear. The goal of this study was to define the incidence and prognostic relevance of nodal metastasis in patients with thymic epithelial tumours, using a nationwide retrospective database of the Chinese Alliance for Research in Thymomas. METHODS: Patients who underwent upfront surgical resection without preoperative therapy were enrolled for the study...
May 18, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28520962/systematic-short-term-pulmonary-rehabilitation-before-lung-cancer-lobectomy-a-randomized-trial
#7
Yutian Lai, Jianhua Su, Peiyuan Qiu, Mingming Wang, Kun Zhou, Yuxin Tang, Guowei Che
OBJECTIVES: The goal of this study was to assess the impact of a preoperative 1-week, systematic, high-intensity inpatient exercise regimen on patients with lung cancer who had risk factors for postoperative pulmonary complications (PPCs). METHODS: We conducted a randomized controlled trial with 101 subjects of a preoperative, 7-day systematic, integrated, high-intensity pulmonary exercise regimen. The control group received standard preoperative care. We analysed the occurrence of PPCs in both groups as the primary outcome; other outcomes included changes in blood gas, quality of life, peak expiratory flow rate, the 6-min walk distance and others...
May 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28520941/risk-factors-for-in-hospital-shunt-thrombosis-and-mortality-in-patients-weighing-less-than-3%C3%A2-kg-with-functionally-univentricular-heart-undergoing-a-modified-blalock-taussig-shunt%C3%A2
#8
Voravit Chittithavorn, Pongsanae Duangpakdee, Chareonkiat Rergkliang, Napat Pruekprasert
OBJECTIVES: To determine the association between several perioperative variables and in-hospital shunt thrombosis and mortality in patients weighing less than 3 kg with functional univentricular heart (UVH) who underwent modified Blalock-Taussig shunt. METHODS: Between January 2006 and February 2016, 85 patients who weighed less than 3 kg with functional UVH and underwent modified Blalock-Taussig shunt were reviewed. In-hospital shunt thrombosis and mortality were the primary outcomes...
May 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28520945/systolic-anterior-motion-of-the-tricuspid-valve-in-a-patient-with-hypertrophic-obstructive-cardiomyopathy
#9
Emile S Farag, R Nils Planken, S Matthijs Boekholdt, Jolanda Kluin
Hypertrophic cardiomyopathy is a heterogeneous myocardial disease and is characterized by increased left ventricular wall thickness. Left ventricular outflow tract obstruction occurs in up to 70% of patients and is often caused by systolic anterior motion of the mitral valve, a paradoxical phenomenon in which the anterior mitral valve leaflet is pulled into the left ventricular outflow tract during systole. We present the first case of hypertrophic cardiomyopathy with systolic anterior motion of both the mitral and the tricuspid valves and severe hypertrophy of both ventricles...
May 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28520889/subxiphoid-approach-for-extracting-a-giant-solitary-fibrous-tumour-of-the-pleura
#10
Shunzo Hatooka, Yoshiki Shigematsu, Masanori Nakanishi, Kenichi Yamaki
We describe a case of resection of a solitary fibrous tumour of the pleura using video-assisted thoracic surgery and removal of the giant tumour using a subxiphoid incision without the need for minithoracotomy. Use of the subxiphoid approach as a retrieval port is simple and feasible.
May 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28520878/can-oesophagectomy-be-performed-for-patients-with-oesophageal-carcinoma-and-concomitant-liver-cirrhosis-a-retrospective-study-based-on-a-propensity-matched-cohort
#11
Zhi-Qiang Wang, Han-Yu Deng, Yu-Shang Yang, Yun Wang, Yang Hu, Yong Yuan, Wen-Ping Wang, Long-Qi Chen
OBJECTIVES: For patients with oesophageal carcinoma and concomitant liver cirrhosis, the safety profile and postoperative prognosis of oesophagectomy are not clearly established due to the lack of relevant studies with large sample sizes. Our objective was to explore the surgical indications and postoperative prognosis in patients with oesophageal carcinoma and liver cirrhosis. METHODS: A total of 2226 patients with oesophageal carcinoma underwent curative oesophagectomy (37 with liver cirrhosis and 2189 without) in our department from April 2008 to September 2013...
May 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28510720/effects-of-a-3d-segmental-prosthetic-system-for-tricuspid-valve-annulus-remodelling-on-the-right-coronary-artery-a-human-cadaveric-coronary-angiography-study
#12
Mohsen Riki-Marishani, Arash Gholoobi, Ghasem Sazegar, Mathias H Aazami, Aria Hedjazi, Maryam Sajjadian, Mahmoud Ebrahimi, Ahmad Aghaii-Zade Torabi
OBJECTIVES: A prosthetic system to repair secondary tricuspid valve regurgitation was developed. The conceptual engineering of the current device is based on 3D segmental remodelling of the tricuspid valve annulus in lieu of reductive annuloplasty. This study was designed to investigate the operational safety of the current prosthetic system with regard to the anatomical integrity of the right coronary artery (RCA) in fresh cadaveric human hearts. METHODS: During the study period, from January to April 2016, the current prosthetic system was implanted on the tricuspid valve annulus in fresh cadaveric human hearts that met the study's inclusion criteria...
May 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28510647/epicardial-cardioverter-defibrillator-implantation-in-a-4-month-old-infant-bridged-to-heart-transplantation
#13
Cristina Carro, Alberto Francesco Cereda, Giuseppe Annoni, Stefano Maria Marianeschi
Implantable cardioverter-defibrillator (ICD) is the gold standard therapy for the prevention of sudden cardiac death. Nevertheless, ICD placement in the paediatric population is still limited because of several technical difficulties. Several implantation techniques have been proposed but experience in infants with very low weight and less than 6 months is very limited. We herein describe a case of a minimally invasive ICD epicardial implantation in a 4-month-old infant weighing 5 kg. A diagnosis of arrhythmic cardiomyopathy with left ventricular non-compaction disease with ventricular tachycardia storms, QT prolongation and Wolff-Parkinson-White pattern was made...
May 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28505359/thoracoscopic-anatomical-lung-segmentectomy-using-3d-computed-tomography-simulation-without-tumour-markings-for-non-palpable-and-non-visualized-small-lung-nodules%C3%A2
#14
Hirohisa Kato, Hiroyuki Oizumi, Jun Suzuki, Akira Hamada, Hikaru Watarai, Mitsuaki Sadahiro
OBJECTIVES: Although wedge resection can be curative for small lung tumours, tumour marking is sometimes required for resection of non-palpable or visually undetectable lung nodules as a method for identification of tumours. Tumour marking sometimes fails and occasionally causes serious complications. We have performed many thoracoscopic segmentectomies using 3D computed tomography simulation for undetectable small lung tumours without any tumour markings. The aim of this study was to investigate whether thoracoscopic segmentectomy planned with 3D computed tomography simulation could precisely remove non-palpable and visually undetectable tumours...
May 12, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28505319/spinal-cord-ischaemia-after-endovascular-aneurysm-repair
#15
Kayoko Natsume, Norihiko Shiiya, Katsushi Yamashita, Naoki Washiyama
We report the case of a patient who developed paraparesis 2 days after endovascular aneurysm repair for a right common iliac aneurysm. The patient had undergone thoracic endovascular aortic repair. The left subclavian artery was occluded, but the left internal iliac artery was preserved. The patient fully recovered from the paralysis within 3 months. This case illustrates the importance of collateral blood supply to the spinal cord from the lumbosacral region, especially when other sources are occluded.
May 12, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28505294/anticalcification-effect-of-a-combination-of-decellularization-organic-solvents-and-amino-acid-detoxification-on-glutaraldehyde-fixed-xenopericardial-heart-valves-in-a-large-animal-long-term-circulatory-model
#16
Chun Soo Park, Yong Jin Kim, Jeong Ryul Lee, Hong-Gook Lim, Ji-Eun Chang, Saeromi Jeong, Nayun Kwon
OBJECTIVES: : We aimed to investigate the effect of a combination of anticalcification treatments, which were effective for preventing calcification in a small animal experiment, on glutaraldehyde-fixed xenopericardial valves using a large-animal long-term circulatory model. METHODS: : Valved conduits were made of porcine pericardium as a leaflet and bovine pericardium as a conduit and were implanted into the right ventricular outflow tract of goats under cardiopulmonary bypass...
May 12, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28505253/pulmonary-venoplasty-with-a-pericardial-conduit-in-living-donor-lobar-lung-retransplantation
#17
Hidenao Kayawake, Toyofumi F Chen-Yoshikawa, Hideki Motoyama, Hiroshi Date
In living-donor lobar lung transplantation, donor lobectomies must be performed carefully for both donors and recipients. Furthermore, the recipients undergo pneumonectomies rather than lobectomies. Occasionally, anastomosis of the pulmonary vessels is difficult in living-donor lobar lung transplantation because of the limited length of the pulmonary vessels in the graft. This report describes a successful case of pulmonary venoplasty using an autologous pericardial conduit, which was interposed between the superior pulmonary vein of the recipient and the inferior pulmonary vein of the donor in living-donor lobar lung retransplantation...
May 12, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28498970/results-of-a-multimodal-approach-for-the-management-of-aortic-coarctation-and-its-complications-in-adults
#18
Pierre-Emmanuel Noly, Valéry Legris-Falardeau, Reda Ibrahim, Ismaïl El-Hamamsy, Raymond Cartier, Yoan Lamarche, Denis Bouchard, Jean-François Dorval, Nancy Poirier, Philippe Demers
OBJECTIVES: We aimed to assess the results of various tailored management strategies for adults with coarctation in our centre. METHODS: : We reviewed all adults patients treated for aortic caorctation between January 2000 and December 2015 in our institution. The primary end point was a composite of death, perioperative stroke, paraplegia, need for unplanned reoperation or occurrence of pseudoaneurysm during the follow-up. The mean follow-up was 82 ± 5 months...
May 11, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28498910/extra-anatomical-bypass-in-complex-and-recurrent-aortic-coarctation-and-hypoplastic-arch%C3%A2
#19
Eva Maria Delmo Walter, Mariano Francisco Del Maria Javier, Roland Hetzer
OBJECTIVES: Our goal was to report the selection schemes, technical variations and long-term outcome of extra-anatomical bypass to correct complex, recurrent aortic coarctation and hypoplastic aortic arch. METHODS: Between 1989 and 2012, 53 patients (mean age 13.2 ± 4.3, median 11.6, range 9-23 years) with complex aortic coarctation ( n  = 33; long-segment hypoplastic aortic arch in 15), recurrent coarctation ( n  = 20; anastomosic pseudoaneurysm in 10), underwent correction using extra-anatomical bypass, either with ( n  = 18: femoral bypass = 13, left heart bypass = 5) or without ( n  = 35) extracorporeal circulation via a left lateral thoracotomy ( n = 48) and combined median sternotomy and median laparotomy ( n  = 5)...
May 11, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28498907/complicated-infective-aortic-endocarditis-comparison-of-different-surgical-strategies%C3%A2
#20
Miriam Silaschi, Niki Nicou, Ranjit Deshpande, Sanjay Chaubey, Max Baghai, Rafal Dworakowski, Olaf Wendler
OBJECTIVES: The choice of substitute during aortic valve replacement for infective endocarditis (IE) is still widely debated. We retrospectively reviewed all patients operated for aortic IE and compared groups according to the complexity of IE and substitutes implanted. METHODS: From 2000 to 2015, 187 patients were treated using stentless bioprostheses (SBP) as root replacement ( n  = 30), mechanical prostheses (MP, n  = 45) or stented bioprostheses (SP, n  = 112) (mean follow-up 4...
May 11, 2017: Interactive Cardiovascular and Thoracic Surgery
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