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Thoracic and Cardiovascular Surgeon

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https://www.readbyqxmd.com/read/29351697/roles-of-transit-time-flow-measurement-for-coronary-artery-bypass-surgery
#1
Yoshiyuki Takami, Yasushi Takagi
Transit-time flow measurement (TTFM) has been increasingly applied to detect graft failure during coronary artery bypass grafting (CABG), because TTFM is less invasive, more reproducible, and less time consuming. Many authors have attempted to validate TTFM and to gain the clear cutoff values and algorithm in TTFM to predict graft failure. The TTFM technology has also been shown to be a useful tool to investigate CABG graft flow characteristics and coronary circulation physiology. It is important to recognize the practical roles of TTFM in the cardiac operating room by review and summarize the literatures...
January 19, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29351696/risk-of-primary-spontaneous-pneumothorax-according-to-chest-configuration
#2
Chul Hwan Park, MinDong Sung, Geun Dong Lee, Young Woo Do, Hee Min Park, Junu Kim, Jin Hur, Kyunghwa Han, Tae Hoon Kim, Jason Jungsik Song, Sungsoo Lee
BACKGROUND:  We compared the chest configurations of patients with primary spontaneous pneumothorax (PSP) and age-sex-matched controls to determine the presence of chest wall deformities in patients with PSP. METHODS:  We retrospectively enrolled 166 male patients with PSP (age, 18-19 years) and 85 age-sex-matched controls without PSP, who simultaneously underwent chest computed tomography (CT) and radiography at one of two institutes. After correcting for height, the following thoracic parameters were comparatively evaluated between the two groups: maximal internal transverse (T) and anteroposterior (W) diameters of the chest, maximal internal lung height (H), Haller index (T/W), and T/Height, T/H, W/Height, W/H, and H/Height ratios...
January 19, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29351695/reasons-for-failure-of-systemic-to-pulmonary-artery-shunts-in-neonates
#3
Keti Vitanova, Cornelius Leopold, Jelena Pabst von Ohain, Cordula Wolf, Elisabeth Beran, Rüdiger Lange, Julie Cleuziou
BACKGROUND:  Systemic-to-pulmonary artery shunt placement is an established palliative procedure for congenital heart disease. Although it is thought to be a simple operation, it is associated with significant morbidity and mortality. METHODS:  Data for all neonates who underwent surgery for a systemic-to-pulmonary artery shunt between 2000 and 2016 were reviewed. The study endpoints were shunt failure and shunt-related mortality. Shunt failure was defined as a shunt dysfunction because of thrombosis or stenosis requiring intervention or reoperation; shunt mortality was defined as death because of a shunt dysfunction...
January 19, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29351694/treatment-outcomes-for-right-sided-endocarditis-in-intravenous-drug-users-a-systematic-review-and-analysis-of-outcomes-in-a-tertiary-centre
#4
Karen Magsino, Rohan Sanjanwala, Brett Hiebert, Janet Rothney, Rizwan Manji, Rakesh Arora, Pallav Shah
BACKGROUND:  The increasing prevalence of intravenous drug users (IVDU) has resulted in higher incidence of right-sided infective endocarditis (RSIE). However, treatment guidelines for RSIE in IVDU are not well defined. The aim is to evaluate efficacy of different treatment strategies in reducing mortality and to describe treatment outcomes. METHODS:  We systematically reviewed the literature using PubMed, Cochrane, CENTRAL, OvidEMBASE, Web of Science, and Medline databases to include prospective studies that compare mortality rates among IVDU with RSIE receiving isolated medical treatment versus those receiving medical-surgical treatment...
January 19, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29351693/editor-s-commentary
#5
Markus K Heinemann
No abstract text is available yet for this article.
January 19, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29316571/validation-of-three-postoperative-risk-prediction-models-for-intensive-care-unit-mortality-after-cardiac-surgery
#6
Samuel Henry Howitt, Camila Caiado, Charles McCollum, Michael Goldstein, Ignacio Malagon, Rajamiyer Venkateswaran, Stuart William Grant
BACKGROUND:  Several cardiac surgery risk prediction models based on postoperative data have been developed. However, unlike preoperative cardiac surgery risk prediction models, postoperative models are rarely externally validated or utilized by clinicians. The objective of this study was to externally validate three postoperative risk prediction models for intensive care unit (ICU) mortality after cardiac surgery. METHODS:  The logistic Cardiac Surgery Scores (logCASUS), Rapid Clinical Evaluation (RACE), and Sequential Organ Failure Assessment (SOFA) scores were calculated over the first 7 postoperative days for consecutive adult cardiac surgery patients between January 2013 and May 2015...
January 9, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29290082/an-overview-and-update-of-femorofemoral-crossover-bypass-surgery-as-an-extra-anatomic-bypass-procedure
#7
Ahmet Yuksel, Mustafa Cagdas Cayir, Gencehan Kumtepe, Yusuf Velioglu, Fahri Hayri Atli, Ayhan Muduroglu, Orcun Gurbuz
Femorofemoral crossover bypass is a surgical arterial revascularization modality which is commonly performed for unilateral aortoiliac occlusive disease. It is primarily applied to patients with intermittent claudication or critical limb ischemia in whom underlying anatomic constraints rule out endovascular means of restoring in-line flow and those who do not qualify for anatomic reconstruction due to the comorbid conditions that preclude a more invasive open surgical approach. This surgical procedure may be also used as a complementary component of endovascular repair of abdominal aortic aneurysms when one aortoiliac arterial system is occluded to ensure exclusion of the aortic aneurysm...
December 31, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29290081/b-type-natriuretic-peptide-and-other-risk-factors-for-predicting-postoperative-atrial-fibrillation-after-thoracic-surgery
#8
Zhenye Pu, Xiaotong Qi, Tao Xue, Zhiyong Liu, Yanhu Wu
BACKGROUND:  Postoperative atrial fibrillation (POAF) is associated with increased morality rate, prolonged hospitalization, and reduced long-term survival after surgery. Thus, prediction of POAF is important to assess surgical risk and provide prophylaxis. METHODS:  It was a prospective study of 207 consecutive patients who underwent a routine preoperative laboratory testing before thoracic surgery from October 2016 to May 2017. Comprehensive data were collected...
December 31, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29290080/burden-between-undersupply-and-overtreatment-in-the-care-of-primary-spontaneous-pneumothorax
#9
Hans-Stefan Hofmann, Tobias Suttner, Reiner Neu, Tobias Potzger, Tamas Szöke, Christian Grosser, Michael Ried
BACKGROUND:  The optimal treatment of primary spontaneous pneumothorax (PSP) is still controversial. The purpose of this study was to analyze the incidence of recurrence, the recurrence-free time, and to identify risk factors for recurrence after PSP. METHODS:  We performed a retrospective analysis of 135 patients with PSP who were treated either conservatively with a chest tube (n = 87) or surgically with video-assisted thoracoscopic surgery (VATS; n = 48) from January 2008 through December 2012...
December 31, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29290079/buckberg-versus-calafiore-cardioplegia-in-patients-with-acute-coronary-syndromes
#10
Elmar W Kuhn, Oliver Liakopoulos, Ingo Slottosch, Antje Christin Deppe, Yeong-Hoon Choi, Navid Madershahian, Thorsten C W Wahlers
BACKGROUND:  Choice of cardioplegic solution plays a pivotal role in special subgroups of patients referred for on-pump cardiac surgery. This retrospective analysis aimed to assess the impact of intermittent warm (Calafiore, Cala) versus intermittent cold blood cardioplegia (Buckberg, Buck) in patients referred to coronary artery bypass graft (CABG) surgery due to acute coronary syndromes (ACS). METHODS:  From 2008 to 2015, all consecutive patients undergoing urgent on-pump CABG surgery due to ACS (n = 950) were retrospectively analyzed...
December 31, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29290078/is-300-seconds-act-safe-and-efficient-during-miecc-procedures
#11
Adrian Bauer, Harald Hausmann, Jan Schaarschmidt, Michal Szlapka, Martin Scharpenberg, Thomas Eberle, J Michael Hasenkam
INTRODUCTION:  The recommended minimum activated clotting time (ACT) level for cardiopulmonary bypass (CPB) of 480 seconds originated from investigations with bubble oxygenators and uncoated extracorporeal circulation (ECC) systems. Modern minimal invasive ECC (MiECC) systems are completely closed circuits containing a membrane oxygenator and a tip-to-tip surface coating. We hypothesized that surface coating and the "closed-loop" design allow the MiECC to safely run with lower ACT levels and that an ACT level of 300 seconds can be safely applied without thromboembolic complications...
December 31, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29284167/regenerative-medicine-cardiac-cell-therapy-adult-somatic-progenitor-cells
#12
Timo Z Nazari-Shafti, Jörg Kempfert, Volkmar Falk, Wilhelm Röll, Christof Stamm
Preclinical data suggested that somatic stem or progenitor cells derived induce and/or support endogenous repair mechanisms of the myocardium. Such cell populations were clearly shown to promote neovascularization in postischemic tissue, and some evidence also indicated transdifferentiation into cardiomyocytes. In the clinical setting, however, many attempts to regenerate damaged myocardium with a variety of autologous and allogeneic somatic progenitors have failed to generate the expected therapeutic efficacy...
December 28, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29258126/heart-and-mitochondria-pathophysiology-and-implications-for-cardiac-surgeons
#13
Bernd Niemann, Michael Schwarzer, Susanne Rohrbach
Excluding the heart from systemic circulation during cardiac surgery renders the myocardium ischemic, resulting in cardiac damage. In addition, another hit to the myocardium will occur upon restoration of blood flow, in the reperfusion phase. Experimental data from animal models have revealed that loss of cardiac metabolic flexibility and mitochondrial dysfunctions contributes to contractile impairment in hypertrophied, failing, obese, and diabetic hearts. Such diseased hearts are prone to myocardial ischemia-reperfusion (I/R) injury...
December 19, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29258125/new-targets-for-the-prevention-of-chronic-rejection-after-thoracic-organ-transplantation
#14
Christian Heim, Annika Gocht, Michael Weyand, Stephan Ensminger
The gold standard for the treatment of terminal heart failure and irreversible lung diseases includes thoracic organ transplantation. The major obstacle for long-term survival after successful transplantation is chronic rejection, an ongoing immunomodulatory disease so far without effective therapy. Therefore, the aim of this review is to elucidate scientific efforts targeting different new mechanisms of cardiac allograft vasculopathy (CAV) and chronic lung allograft dysfunction (CLAD). For this purpose, we performed a systematic review of the literature to assess recent strategies in transplant immunology research...
December 19, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29232735/clinical-outcome-of-urgent-thoracotomy-in-patients-with-penetrating-and-blunt-chest-trauma-a-retrospective-survey
#15
Yael Refaely, Leonid Koyfman, Michael Friger, Leonid Ruderman, Mahmud Abu Saleh, Gidon Sahar, Gad Shaked, Moti Klein, Evgeni Brotfain
No abstract text is available yet for this article.
December 12, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29232734/impact-of-surgery-on-growth-pulmonary-functions-and-acute-pulmonary-exacerbations-in-children-with-non-cystic-fibrosis-bronchiectasis
#16
Nagehan Emiralioglu, Deniz Dogru, Songul Yalcin, Gokcen Dılsa Tugcu, Ebru Yalcin, Ugur Ozcelik, Saniye Ekinci, Nural Kiper
No abstract text is available yet for this article.
December 12, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29232733/extracorporeal-membrane-oxygenation-in-postcardiotomy-pediatric-patients-15-years-of-experience-outside-europe-and-north-america
#17
Ahmed F ElMahrouk, Mohamed Fouad Ismail, Tamer Hamouda, Rafik Shaikh, Alaa Mahmoud, Mohammad Sabry Shihata, Osman Alradi, Ahmed Jamjoom
No abstract text is available yet for this article.
December 12, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29216651/regenerative-medicine-cardiac-cell-therapy-pluripotent-stem-cells
#18
Ana G Duran, Olivia Reidell, Harald Stachelscheid, Kristin Klose, Manfred Gossen, Volkmar Falk, Wilhelm Röll, Christof Stamm
No abstract text is available yet for this article.
December 7, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29207434/role-of-endovascular-aortic-repair-in-the-treatment-of-infected-aortic-aneurysms-complicated-by-aortoenteric-or-aortobronchial-fistulae
#19
Chung-Dann Kan, Hsin-Ling Lee, Yu-Jen Yang
No abstract text is available yet for this article.
December 5, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29172212/effect-of-sustained-use-of-aspirin-until-the-time-of-surgery-on-outcomes-following-coronary-artery-bypass-grafting-a-randomized-clinical-trial
#20
Mehrzad Sharifi, Alireza Kamali, Yazdan Ghandi
No abstract text is available yet for this article.
November 24, 2017: Thoracic and Cardiovascular Surgeon
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