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Cardiac minimally invasive surgery

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https://www.readbyqxmd.com/read/28895403/injectable-carbon-nanotube-functionalized-reverse-thermal-gel-promotes-cardiomyocytes-survival-and-maturation
#1
Brisa Peña, Susanna Bosi, Brian A Aguado, Daniele Borin, Nikki L Farnsworth, Evgenia Dobrinskikh, Teisha J Rowland, Valentina Martinelli, Mark Jeong, Matthew R G Taylor, Carlin S Long, Robin Shandas, Orfeo Sbaizero, Maurizio Prato, Kristi S Anseth, Daewon Park, Luisa Mestroni
The ability of the adult heart to regenerate cardiomyocytes (CMs) lost after injury is limited, generating interest in developing efficient cell-based transplantation therapies. Rigid carbon nanotubes (CNTs) scaffolds have been used to improve CMs viability, proliferation, and maturation, but they require undesirable invasive surgeries for implantation. To overcome this limitation, we developed an injectable reverse thermal gel (RTG) functionalized with CNTs (RTG-CNT) that transitions from a solution at room temperature to a three-dimensional (3D) gel-based matrix shortly after reaching body temperature...
September 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28889811/cardiovascular-ct-for-evaluation-of-single-ventricle-heart-disease-risks-and-accuracy-compared-with-interventional-findings
#2
B Kelly Han, Marnie Huntley, David Overman, Dawn Witt, David Dassenko, Ross F Garberich, John R Lesser
OBJECTIVE: We sought to evaluate the risk and image quality from cardiovascular CT in patients across all stages of single-ventricle palliation, and to define accuracy by comparing findings with intervention and surgery. METHODS: Consecutive CT scans performed in patients with single-ventricle heart disease were retrospectively reviewed at a single institution. Diagnosis, sedation needs, estimated radiation dose, and adverse events were recorded. Anatomical findings, image quality (1-4, 1=optimal), and discrepancy compared with interventional findings were determined...
September 11, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28822540/life-threatening-complications-and-mortality-of-minimally-invasive-pectus-surgery
#3
André Hebra, Robert E Kelly, Marcelo M Ferro, Mustafa Yüksel, Jose Ribas M Campos, Donald Nuss
The prevalence and type of life-threatening complications related to the minimally invasive repair of pectus excavatum (MIRPE) and bar removal are unknown and underreported. The purpose of this communication is to make surgeons aware of the risk of these life threatening complications as well as the modifications which have been developed to prevent them. METHODS: Data related to life-threatening complications of Pectus Excavatum (PE) patients was obtained from four sources: 1. A survey of Chest Wall International Group (CWIG) surgeons who specialize in repairing congenital chest wall malformations, 2...
July 31, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28805824/flexible-shape-memory-scaffold-for-minimally-invasive-delivery-of-functional-tissues
#4
Miles Montgomery, Samad Ahadian, Locke Davenport Huyer, Mauro Lo Rito, Robert A Civitarese, Rachel D Vanderlaan, Jun Wu, Lewis A Reis, Abdul Momen, Saeed Akbari, Aric Pahnke, Ren-Ke Li, Christopher A Caldarone, Milica Radisic
Despite great progress in engineering functional tissues for organ repair, including the heart, an invasive surgical approach is still required for their implantation. Here, we designed an elastic and microfabricated scaffold using a biodegradable polymer (poly(octamethylene maleate (anhydride) citrate)) for functional tissue delivery via injection. The scaffold's shape memory was due to the microfabricated lattice design. Scaffolds and cardiac patches (1 cm × 1 cm) were delivered through an orifice as small as 1 mm, recovering their initial shape following injection without affecting cardiomyocyte viability and function...
August 14, 2017: Nature Materials
https://www.readbyqxmd.com/read/28796646/defining-benchmarks-for-transthoracic-esophagectomy-a-multicenter-analysis-of-total-minimally-invasive-esophagectomy-in-low-risk-patients
#5
Henner M Schmidt, Susanne S Gisbertz, Johnny Moons, Ioannis Rouvelas, Juha Kauppi, Andrew Brown, Emanuele Asti, Misha Luyer, Sjoerd M Lagarde, Felix Berlth, Annouck Philippron, Christiane Bruns, Arnulf Hölscher, Paul M Schneider, Dimitri A Raptis, Mark I van Berge Henegouwen, Philippe Nafteux, Magnus Nilsson, Jari Räsanen, Francesco Palazzo, Ernest Rosato, Stuart Mercer, Luigi Bonavina, Grard Nieuwenhuijzen, Bas P L Wijnhoven, Wolfgang Schröder, Piet Pattyn, Peter P Grimminger, Christian A Gutschow
OBJECTIVE: To define "best possible" outcomes in total minimally invasive transthoracic esophagectomy (ttMIE). BACKGROUND: TtMIE, performed by experts in patients with low comorbidity, may serve as a benchmark procedure for esophagectomy. PATIENTS AND METHODS: From a cohort of 1057 ttMIE, performed over a 5-year period in 13 high-volume centers for esophageal surgery, we selected a study group of 334 patients (31.6%) that fulfilled criteria of low comorbidity (American Society of Anesthesiologists score ≤2, WHO/ECOG score ≤1, age ≤65 years, body mass index 19-29 kg/m)...
August 7, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28771400/single-incision-laparoscopic-intragastric-surgery-for-gastric-submucosal-tumor-located-adjacent-to-esophagogastric-junction-report-of-four-cases
#6
Shinsuke Katsuyama, Kiyokazu Nakajima, Yukinori Kurokawa, Tsuyoshi Takahashi, Yasuhiro Miyazaki, Tomoki Makino, Makoto Yamasaki, Shuji Takiguchi, Masaki Mori, Yuichiro Doki
BACKGROUND: Laparoscopic local gastric resection has become the standard form of surgery for gastric submucosal tumors (SMTs) and is currently being actively selected for these cases. However, total gastrectomy or proximal gastrectomy is performed when tumors are adjacent to the cardia of stomach. Unfortunately, these procedures are highly invasive and can cause marked decreases in activities of daily living. We perform a single-incision laparoscopic intragastric surgery (sLIGS), which are both minimally invasive and offers improved cosmetic outcomes, to treat SMT located adjacent to the esophagogastric junction (EGJ)...
August 3, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28760476/continuous-procedural-full-lung-ventilation-during-minimally-invasive-coronary-bypass-grafting
#7
Stephan Sixt, Hug Aubin, Robert Kalb, Philipp Rellecke, Artur Lichtenberg, Alexander Albert
BACKGROUND: In the past, minimally invasive cardiac surgery (MICS)- coronary artery bypass graft surgery (CABG) alternatives have been introduced that dramatically reduce the invasiveness of standard operative procedures while still showing excellent clinical outcomes. However, in patients with high morbidity, reduced lung function impeding single-lung ventilation is one of the major concerns for MICS-CABG procedures, although those patients might reap the largest benefit from a procedure of reduced invasiveness...
July 28, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28759544/minimally-invasive-access-aortic-arch-surgery
#8
Nora Goebel, Daniel Bonte, Schahriar Salehi-Gilani, Ragi Nagib, Adrian Ursulescu, Ulrich F W Franke
OBJECTIVE: Median sternotomy is still the standard approach for aortic arch surgery. Minimally invasive techniques promise faster recovery with shorter hospital stay due to thoracic stability, reduced pain, and superior cosmetic results. However, safety is a concern in complex aortic surgery. The aim of our study was to demonstrate that aortic arch surgery via partial upper sternotomy is viable, safe, and equivalent to standard procedure both in terms of its safety and the risk of major adverse cardiac and cerebrovascular events...
July 28, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28740715/minimally-invasive-valve-surgery-in-high-risk-patients
#9
REVIEW
Orlando Santana, Steve Xydas, Roy F Williams, S Howard Wittels, Evin Yucel, Christos G Mihos
The use of minimally, or less invasive, approaches to cardiac valve surgery has increased over the past decade. Because of its less traumatic nature, early studies in lower risk patients demonstrated the approach to be associated with an enhanced recovery, increased patient satisfaction, and good operative outcomes. With time, despite a steep learning curve, surgeons expanded this approach to perform more complex procedures, and include patients with more co-morbidity. The aim of this publication is to review the current literature involving the use of minimally invasive valve surgery (MIVS) in higher-risk patients...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740710/percutaneous-coronary-intervention-followed-by-minimally-invasive-valve-surgery-compared-with-median-sternotomy-coronary-artery-bypass-graft-and-valve-surgery-in-patients-with-prior-cardiac-surgery
#10
Orlando Santana, Steve Xydas, Roy F Williams, Angelo LaPietra, Maurice Mawad, Jason C Wigley, Nirat Beohar, Christos G Mihos
BACKGROUND: In patients with prior cardiac surgery requiring re-operative coronary and valve surgery, a hybrid approach of percutaneous coronary intervention followed by minimally invasive valve surgery (PCI + MIVS) may be an alternative to the standard median sternotomy coronary artery bypass and valve surgery (CABG + valve). METHODS: The outcomes of patients with prior cardiac surgery, presenting with coronary artery and valvular disease, who underwent PCI + MIVS (N=39) were retrospectively compared with those who underwent CABG + valve (N=28) via a repeat median sternotomy, between February 2009 and April 2014...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28728721/updates-in-minimally-invasive-cardiac-surgery-for-general-surgeons
#11
REVIEW
Muhammad Habib Zubair, John Michael Smith
Significant improvement and development have occurred in minimally invasive cardiac surgery over the past 20 years. Although most studies have consistently demonstrated equivalent or improved outcomes compared with conventional cardiac surgery, with significantly shorter recovery times, adoption continues to be limited. In addition, cost data have been inconsistent. Further ongoing trials are needed to help determine the exact roles for these innovative procedures.
August 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28714634/-pectus-excavatumn-and-carinatum-in-children-and-adolescents-what-to-say-what-to-do
#12
Pierre Lascombes, Isabelle Ruchonnet-Métrailler, Maurice Beghetti, Armand Bottani, James Wilde
In children presenting with a pectus excavatum (PE) or pectus carinatum (PC) an underlying syndrome including Marfan's syndrome needs to be excluded. In adolescents, severe chest wall deformities may cause cardiac or respiratory problems but most commonly they have a psychological impact. The conservative treatment is a Vacuum Bell for PE, and a Dynamic Compression System for PC ; they play an increasing role in young patients. These devices need to be worn multiple hours per day for several months for an optimal result...
February 15, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28714618/-robotic-cardiac-surgery
#13
Jorge Sierra, Nadia Lahlaidi Sierra, Michel Montessuit, Marek Bednarkiewicz
Cardiac surgery has evolved towards less traumatic procedures. Minimal invasive cardiac surgery is a well-established technic offering patients the same level of excellence accomplished with open surgery. Technological evolution has lead to robotic assistance for minimal invasive cardiac surgery, helping surgeons to perform even better in cardiac repairs or reconstructions.
March 1, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28712580/single-dose-del-nido-cardioplegia-in-minimally-invasive-aortic-valve-surgery
#14
Daniel Ziazadeh, Regina Mater, Ben Himelhoch, Andrew Borgman, Jessica L Parker, Charles L Willekes, Tomasz A Timek
BACKGROUND: The del Nido cardioplegia (DC) procedure offers prolonged cardiac protection with single-dose administration and has proven safe in adult coronary artery bypass grafting (CABG) surgery. We set out to evaluate the efficacy of cardiac protection and clinical outcomes of DC versus standard blood cardioplegia (BC) in minimally invasive aortic valve surgery. METHODS: Between August 2011 and May 2016, 178 patients underwent minimally invasive aortic valve replacement (AVR) with BC (n = 101) or DC (n = 77)...
June 12, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28711647/surgical-training-improves-performance-in-minimally-invasive-left-ventricular-assist-device-implantation-without-cardiopulmonary-bypass
#15
Lu-Feng Zhang, Hai-Bo Feng, Zhi-Guo Yu, Shi Jing, Feng Wan
OBJECTIVE: We introduced a live animal model for training of minimally invasive implantation of a continuous-flow left ventricular assist device (CF-LVAD) without cardiopulmonary bypass for operator's performance improvement. DESIGN: After watching a videotape of LVAD implantation on the beating heart through the cardiac apex, the surgical team performed implantation of LVADs into 5 pigs during 3 training sessions in a time series. The procedure success rate, operating time, and technical and global performances by self-evaluation and senior evaluation were compared among the sessions...
July 12, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28711332/predictors-of-operating-room-extubation-in-adult-cardiac-surgery
#16
Kathirvel Subramaniam, Diana S DeAndrade, Daniel R Mandell, Andrew D Althouse, Rajan Manmohan, Stephen A Esper, Jeffrey M Varga, Vinay Badhwar
OBJECTIVE: The primary objective of the study was to identify perioperative factors associated with successful immediate extubation in the operating room after adult cardiac surgery. The secondary objective was to derive a simplified predictive scoring system to guide clinicians in operating room extubation. METHODS: All 1518 patients in this retrospective cohort study underwent standardized fast-track cardiac anesthetic protocol during adult cardiac surgery. Perioperative variables between patients who had successful extubation in the operating room versus in the intensive care unit were retrospectively analyzed using both univariate and multivariable logistic regression analyses...
June 13, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28698412/-cardiac-rehabilitation-in-minimally-invasive-cardiac-surgery-coronary-artery-bypass-grafting
#17
Yo Takahashi, Akihiko Yamauchi, Masaki Tabuchi, Daisuke Toritsuka, Osamu Arasaki, Masahiro Tamashiro, Masanori Kakazu, Katsuaki Iju, Mitsuru Kume, Shogo Sakihama, Yuta Matayoshi
OBJECTIVES: A purpose is to compare the in-hospital rehabilitation progress after minimally invasive cardiac surgery coronary artery bypass grafting (MICS CABG) with that after off pump coronary artery bypass grafting( OPCAB). METHODS: We analyzed 60 patients who underwent coronary artery bypass grafting surgery from January 2015 to December 2016. Fourteen patients underwent MICS CABG (MICS CABG group) and 46 patients underwent OPCAB (OPCAB group). The post-operative days to start standing position and independent walking, and hospitalization duration were analyzed between the 2 groups...
July 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28692337/a-multidisciplinary-perioperative-strategy-for-attaining-more-physiologic-cardiac-surgery
#18
Kyriakos Anastasiadis, Polychronis Antonitsis, Apostolos Deliopoulos, Helena Argiriadou
BACKGROUND: Cardiac surgery is, by definition, a "non-physiologic" intervention associated with systemic adverse effects. Despite advances in surgical technique, cardiopulmonary bypass (CPB) technology as well as anaesthesia management and patient care, there is still significant morbidity and subsequent mortality. AIM: We consider that the contemporary demand for further improving patient outcome mandates the upgrade from optimal perfusion during the procedure as the gold standard to the concept of a "more physiologic" cardiac surgery...
March 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28681054/establishment-of-a-minimally-invasive-cardiac-surgery-programme-in-singapore
#19
Theo Kofidis, Guohao Chang, Chuen Neng Lee
In Singapore, although minimally invasive cardiac surgery is available, it is not widely practised. Local surgeons have pioneered technologies in Singapore following their launch in the West and introduced them, addressing various heart pathologies. However, the unique position and function of Singapore in the region, the structure and dynamics of cardiothoracic surgery practice in government centres and private practice, and the overall small volume of patients in the country may pose limitations, in spite of all possibilities, in thriving and sharing of such new technologies...
July 6, 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/28673140/minimally-invasive-coronary-artery-bypass-grafting-a-systematic-review
#20
Keita Kikuchi, Makoto Mori
To minimize surgical morbidity in coronary artery bypass grafting, minimally invasive cardiac surgery has gained popularity. Minimally invasive coronary artery bypass grafting offers unique advantages compared to conventional off-pump coronary artery bypass or minimally invasive direct coronary artery bypass in that it enables the surgeon to harvest and graft bilateral internal thoracic arteries via a small thoracotomy while being conducted completely off-pump. This review focuses on current evidence behind off-pump coronary artery bypass, multi-arterial revascularization, patient populations that would most benefit from bilateral internal thoracic artery minimally invasive coronary artery bypass grafting, the surgical technique, and early outcomes...
June 2017: Asian Cardiovascular & Thoracic Annals
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