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https://www.readbyqxmd.com/read/28076623/low-cost-simulator-for-heart-surgery-training
#1
Roberto Rocha E Silva, Artur Lourenção, Maxim Goncharov, Fabio B Jatene
Objective: Introduce the low-cost and easy to purchase simulator without biological material so that any institution may promote extensive cardiovascular surgery training both in a hospital setting and at home without large budgets. Methods: A transparent plastic box is placed in a wooden frame, which is held by the edges using elastic bands, with the bottom turned upwards, where an oval opening is made, "simulating" a thoracotomy. For basic exercises in the aorta, the model presented by our service in the 2015 Brazilian Congress of Cardiovascular Surgery: a silicone ice tray, where one can train to make aortic purse-string suture, aortotomy, aortorrhaphy and proximal and distal anastomoses...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28076621/experimental-model-for-sutureless-proximal-anastomosis-by-the-viabahn-open-revascularization-technique-vortec
#2
Lucas Marcelo Dias Freire, Giuliana Biasi Gobbi, Inácio Maria Dal Fabbro, Fábio Hüsemann Menezes
Introduction: In the treatment of complex aneurysms, debranching is an extra-anatomical revascularization of visceral arteries followed by endograft coverage of the thoracoabdominal aorta. It eliminates the need for a thoracotomy and aortic clamping, but requires the performance of several technically demanding visceral anastomosis. In 2008, Lachat described visceral revascularization with the use of a sutureless distal anastomosis, performed by the telescoping of an endograft in the visceral branch, named VORTEC (Viabahn Open Revascularization TEChnique)...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28072899/endoluminal-vacuum-therapy-as-treatment-for-anastomotic-colorectal-leakage
#3
Giovanni Milito, Giorgio Lisi, Dario Venditti, Michela Campanelli, Elena Aronadio, Simona Grande, Francesca Cabry, Michele Grande
BACKGROUND: The clinical leakage rate after anterior resection varies from 2.8-20%, with a 6-22% mortality rate and a 10-80% risk of permanent stoma. Endo-SPONGE® (B. Braun Melsungen AG, Melsungen, Germany) may treat extraperitoneal anastomotic leakage in the lesser pelvis. It consists of an open-pored sponge inserted into the cavity. A drainage tube fixed to a low vacuum drainage system is then connected to the sponge through the anus. MATERIAL AND METHODS: Between January 2007 and December 2014, 14 patients with anastomotic leakage following low anterior resection were treated with Endo-SPONGE® and were prospectively evaluated...
January 10, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28070902/a-modified-lvad-technique-to-augment-caval-and-pulmonary-arterial-blood-flow-in-the-failing-fontan-circulation
#4
Michael F Swartz, Louis DiVincenti, Karen Smith, Robin Westcott, Kevin Belmont, William Harris, Francisco Gensini, George M Alfieris
BACKGROUND: There are minimal circulatory support options for patients with a failing Fontan. The Heartmate II (HMII) left ventricular assist device (Thoratec, Bedford, MA) in its packaged state cannot augment caval/pulmonary arterial blood flow. AIM: We hypothesized that a modified HMII pump could augment caval and pulmonary arterial blood flow. METHODS: A bifurcated ringed Gore-Tex graft (W. L. Gore & Associates, Flagstaff, AZ) was sewn to the HMII inflow, and the outflow graft transected and tapered from 16 mm to 8 mm in diameter...
January 9, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28066610/the-application-of-autologous-pulmonary-artery-in-surgical-correction-of-complicated-aortic-arch-anomaly
#5
Shusheng Wen, Jianzheng Cen, Jimei Chen, Gang Xu, Biaochuan He, Yun Teng, Jian Zhuang
BACKGROUND: In the patients with longer-segment aortic arch hypoplasia or interruption with ventricular septal defect, surgery with homograft vessel or autologous pericardial patch to augment descending aortic arch will not result in adverse reactions caused by end-to-end anastomosis. In this study, we retrospectively analyzed primary experience of surgical correction of complicated aortic arch anomaly with autologous main pulmonary artery. METHODS: From July 2010 to March 2016, the twenty-one cases of aortic arch complex anomalies were reconstructed with autologous main pulmonary artery...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28065442/tacrolimus-eluting-suture-inhibits-neointimal-hyperplasia-an-experimental-in-vivo-study-in-rats
#6
K Ak, E Ak, O Dericioglu, T Canak, J Akbuga, N Ozkan, S Cetinel, S Isbir, S Arsan, A Cobanoglu
OBJECTIVE/BACKGROUND: Neointimal hyperplasia (NIH) remains one of the leading causes of graft failure after vascular anastomoses. Cytotoxic drugs, such as rapamycin and tacrolimus, have been shown to inhibit the development of NIH. In this study, the aim was to test the impact of a sustained releasing tacrolimus-chitosan-eluting suture on the development of NIH in a rat model. METHODS: After tacrolimus-chitosan coating of a 7/0 polyvinylidene difluoride (PVDF) Trofilen(®) suture, the tacrolimus concentration on the coated suture and in vitro release trials were performed spectrophotometrically...
January 4, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28063681/is-fundoplication-required-after-the-foker-procedure-for-long-gap-esophageal-atresia
#7
Dylan Wanaguru, Catherine Langusch, Usha Krishnan, Vincent Varjavandi, Ashish Jiwane, Susan Adams, Guy Henry
BACKGROUND: Fundoplication has been performed almost universally in children treated with the Foker procedure (FP) for long gap esophageal atresia (LGEA). We report our experience with pharmacological management and endoscopic surveillance rather than early routine fundoplication in infants treated with the FP. METHODS: A retrospective chart review was performed of all children treated with the Foker procedure at our institution. RESULTS: Nine children have undergone the FP since 2007...
December 28, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28059918/quality-improvement-initiatives-in-colorectal-surgery-value-of-physician-feedback
#8
Joshua A Waters, Todd Francone, Peter W Marcello, Patricia L Roberts, David J Schoetz, Thomas E Read, Caitlin Stafford, Rocco Ricciardi
BACKGROUND: The impact of process improvement through surgeon feedback on outcomes is unclear. OBJECTIVE: We sought to evaluate the effect of biannual surgeon-specific feedback on outcomes and adherence to departmental and Surgical Care Improvement Project process measures on colorectal surgery outcomes. DESIGN: This was a retrospective analysis of prospectively collected 100% capture surgical quality improvement data. SETTING: This study was conducted at the department of colorectal surgery at a tertiary care teaching hospital from January 2008 through December 2013...
February 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28056483/complex-orofacial-reconstruction-with-the-intrinsic-chimeric-flap
#9
Andrés A Maldonado, Amanda K Silva, Laura S Humphries, Lawrence J Gottlieb
Background Ablation of locally advanced or recurrent head and neck cancer often results in large composite orofacial defects with limited recipient vessels. These complex defects lend well to intrinsic chimeric flap reconstruction, which allows greater ability to inset various flap component tissue types than composite flaps and requires only one set of microvascular anastomoses. Methods A retrospective chart review was performed on all patients who underwent orofacial reconstruction with an intrinsic chimeric free flap from 2002 to 2015...
January 5, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28055329/percutaneous-transhepatic-fontan-kreutzer-completion-of-hepatic-vein-inclusion
#10
Ignacio Juaneda, Alejandro Peirone, Adolfo Ferrero Guadagnoli, Alejandro Contreras, Santiago Orozco, Juan Diaz, Christian Kreutzer
We report the case of an 11-year-old girl with heterotaxy syndrome, dextrocardia, and azygos continuation of an interrupted inferior vena cava who had developed pulmonary arteriovenous fistulas after a Kawashima procedure consisting of bilateral superior cavopulmonary anastomoses. She presented with profound cyanosis, fatigue, and failure to thrive. An operative procedure to direct hepatic vein effluent to the pulmonary circulation was performed with placement of an extracardiac conduit between the hepatic veins and the left pulmonary artery...
January 1, 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28054751/the-prevention-of-pancreatic-fistula-using-polyethylene-glycolic-acid-mesh-reinforcement-around-pancreatojejunostomy-the-propensity-score-matched-analysis
#11
Jae Seung Kang, Youngmin Han, Hongbeom Kim, Wooil Kwon, Sun-Whe Kim, Jin-Young Jang
BACKGROUND/PURPOSE: Several small-scale studies have shown that wrapping polyethylene glycolic acid (PGA) mesh around the anastomotic site reinforced pancreaticojejunostomy following pancreatoduodenectomy (PD) with favorable outcomes. This study investigated the efficacy of PGA mesh for reducing postoperative pancreatic fistula (POPF) and evaluated other risk factors for POPF. METHODS: This study enrolled 464 consecutive patients who underwent PD performed by one surgeon between 2006 and 2015, including a PGA group of 281 patients (60...
January 5, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/28054107/-evidence-based-supportive-measures-to-secure-pancreatic-anastomoses
#12
O Belyaev, W Uhl
BACKGROUND: Pancreatic anastomosis is the Achilles heel of pancreatic surgery. Despite substantial progress in surgical techniques the rate of postoperative pancreatic fistulas remains very high. For this reason various supportive measures to secure pancreatic anastomoses are of continuing interest. OBJECTIVE: This review presents the newest evidence-based data on supportive measures designed to secure a pancreatic anastomosis. MATERIAL AND METHODS: The most recent meta-analyses, randomized controlled trials and the largest retrospective studies on the role of pancreatic duct stenting, double loop reconstruction, autologous patches and drainage in pancreaticoduodenectomy were taken into account...
January 4, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28052379/supermicrosurgical-lymphaticovenous-anastomosis-for-a-patient-with-breast-lymphedema-secondary-to-breast-cancer-treatment
#13
Guido Giacalone, Takumi Yamamoto
Breast lymphedema (BLE) has been reported as a complication following breast cancer treatment. As for extremity lymphedema treatment, supermicrosurgical lymphaticovenous anastomosis (LVA) is considered an option for the treatment of progressive BLE refractory to conservative treatments, but no case has been reported so far. We report the first case of BLE successfully treated with supermicrosurgical LVA. A 55-year-old female presented with left BLE after breast conserving surgery and axillary lymph node dissection and adjuvant radiotherapy...
January 3, 2017: Microsurgery
https://www.readbyqxmd.com/read/28050796/anastomosing-hemangioma-of-the-ovary-a-clinicopathological-study-of-six-cases-with-stromal-luteinization
#14
Pavel Dundr, Kristýna Němejcová, Jan Laco, Helena Skálová, Lenka Bauerová, Radoslav Matěj, Daniela Fischerová
We report six cases of anastomosing hemangioma of the ovary. All lesions were unilateral and arose in 43 to 81 year old females. In all but one patient, the tumor was asymptomatic and represented incidental finding. The exception was a tumor associated with massive ascites and elevated CA 125. The tumors were, on cut section, spongy and dark violet in color. The size of tumors ranged from 0.5 to 3.5 cm. All lesions showed the same histological features and consisted of capillary sized anastomosing vessels with sinusoid-like pattern intermingled with sporadic medium sized vessels...
January 3, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28041783/thermal-resistance-anastomosis-device-for-the-percutaneous-creation-of-arteriovenous-fistulae-for-hemodialysis
#15
Jeffrey E Hull, Guillermo Elizondo-Riojas, Wendy Bishop, Yesenia L Voneida-Reyna
PURPOSE: To evaluate the safety and efficacy of arteriovenous fistula (AVF) creation with a thermal resistance anastomosis device (TRAD). MATERIALS AND METHODS: From January 2014 to March 2015, 26 patients underwent ultrasound (US)-guided percutaneous creation of proximal radial artery-to-perforating vein AVFs with a TRAD that uses heat and pressure to create a fused anastomosis. Primary endpoints were fistula creation, patent fistula by Doppler US, two-needle dialysis at the prescribed rate, and device-related complications...
December 29, 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28039051/pediatric-robot-assisted-redo-pyeloplasty-with-buccal-mucosa-graft-a-novel-technique
#16
Jennifer J Ahn, Michael E Shapiro, Jonathan S Ellison, Thomas S Lendvay
OBJECTIVE: To report a novel approach of pediatric robot-assisted redo pyeloplasty with buccal mucosa graft (BMG). METHODS: An IRB-approved retrospective review of all patients undergoing robot-assisted redo pyeloplasty with BMG at our institution was performed. OPERATIVE DETAILS: For all patients, the following ports were used: one 8.5mm camera, two 8mm robotic, and one 5mm assistant. Initial dissection was performed laparoscopically and robotically, and the ureter was incised longitudinally along the anterior surface...
December 27, 2016: Urology
https://www.readbyqxmd.com/read/28038480/intracranial-ameloblastoma-arising-from-the-maxilla-an-interdisciplinary-surgical-approach
#17
Johanna Quick-Weller, Felix Koch, Nazife Dinc, Stephanie Lescher, Peter Baumgarten, Patrick Harter, Friedrich Scheerer, Robert Sader, Volker Seifert, Gerhard Marquardt, Thomas Freiman
Background Ameloblastomas are a rare tumor entity accounting for only 10% of all odontogenic tumors. They mostly originate from the mandible. Only a few cases are known to grow aggressively and to invade the orbit, nasal cavity, or even the brain. Patient and Methods/Case Report We present the case of a 57-year-old patient who was admitted with a huge tumor involving the nasal cavity, the left maxilla, and the anterior fossa. Histologic diagnosis was made by biopsy. A combined two-stage neurosurgical maxillofacial approach was planned...
December 30, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28033740/intestinal-malrotation-and-replaced-common-hepatic-artery-during-duodenopancreatectomy-a-case-report
#18
Alexander Schank, Philippe Colonval, Mikhaël Salame
BACKGROUND: Intestinal malrotation is a well-known anomaly in the normal rotation process of the midgut during embryogenesis. Multiple forms are described, resulting in various positional configurations of the small bowel and colon. Replaced common hepatic artery is a rare but not anecdotic variant of the standard hepatic vascularization, associated with surgical implications. Our aim is to explain the impact of their simultaneous presence during this procedure and the difficulty in identifying them preoperatively, despite imaging...
December 29, 2016: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28033200/lvad-outflow-graft-angle-and-thrombosis-risk
#19
Alberto Aliseda, Venkat Keshav Chivukula, Patrick Mcgah, Anthony R Prisco, Jennifer A Beckman, Guilherme J M Garcia, Nahush A Mokadam, Claudius Mahr
This study quantifies thrombogenic potential (TP) of a wide range of left ventricular assist device (LVAD) outflow graft anastomosis angles through state-of-the-art techniques: 3D imaged-based patient-specific models created via virtual surgery and unsteady computational fluid dynamics with Lagrangian particle tracking. This study aims at clarifying the influence of a single parameter (outflow graft angle) on the thrombogenesis associated with flow patterns in the aortic root after LVAD implantation. This is an important and poorly-understood aspect of LVAD therapy, because several studies have shown strong inter and intrapatient thrombogenic variability and current LVAD implantation strategies do not incorporate outflow graft angle optimization...
January 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28033076/a-simplified-technique-for-interventional-extracardiac-fontan
#20
Sudesh Prabhu, Ben Anderson, Cameron Ward, Tom Karl, Nelson Alphonso
PURPOSE: We report a simple technique for an interventional extracardiac Fontan (ECF) procedure. DESCRIPTION: At the preparatory stage along with a bidirectional cavopulmonary connection (BCPC; cardiopulmonary bypass), a short piece of polytetrafluoroethylene (PTFE) tube graft is anastomosed to the inferior surface of the right pulmonary artery. Another longer PTFE graft is anastomosed to the transected inferior vena cava (IVC). A large medial opening in the lower PTFE graft is anastomosed to an atriotomy...
January 2017: World Journal for Pediatric & Congenital Heart Surgery
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