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https://www.readbyqxmd.com/read/29237361/hybrid-endovascular-aortic-arch-reconstruction-for-acute-aortic-dissection-an-endovascular-bridge-technique-for-complex-anatomy
#1
Michael P Rogers, Sophie M Reskin, Adam Ubert, Matthew C Black, Kendra J Grubb
Acute type A aortic dissections starting at the arch pose a challenge for cardiac surgeons. Open surgical repair requires deep hypothermic circulatory arrest for arch reconstruction and is associated with significant morbidity and mortality. Hybrid aortic repair techniques, with open arch debranching and thoracic endovascular aortic repair, have been employed in high-risk cases and challenging aortic pathology. Herein, we present a case of a 33-year-old African American male with a history of open thoracoabdominal aortic reconstruction and femoral-femoral artery bypass for a type B dissection who subsequently presented with new-onset chest pain and was found to have a retrograde type A dissection of a bovine arch with multiple dissection flaps and possible contrast extravasation on chest computed tomography...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29232293/pressure-and-flow-characteristics-of-a-novel-bidirectional-cannula-for-cardiopulmonary-bypass
#2
Yi Chen, Elli Tutungi, James McMillan, Sara M Tayeh, Jess K Underwood, Adam C Wells, Julian A Smith, Randall A Moshinsky
OBJECTIVE: Femoral arterial cannulation is associated with a significant risk of lower limb ischemia. The aim of the study was to assess the pressure and flow in the femoral artery using a novel bidirectional femoral cannula in a sheep model of peripheral cardiopulmonary bypass. METHODS: Peripheral cardiopulmonary bypass was established using a multistage venous cannula inserted into the internal jugular vein and the bidirectional or a conventional arterial cannula into the femoral artery in seven adult ewes...
December 7, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29229263/the-hemodynamic-effects-of-different-pacing-modalities-after-cardiopulmonary-bypass-in-patients-with-reduced-left-ventricular-function
#3
R C W Gielgens, I H F Herold, A H M van Straten, B M van Gelder, F A Bracke, H H M Korsten, M A Soliman Hamad, R A Bouwman
OBJECTIVES: Patients with decreased left ventricular function undergoing cardiac surgery have a greater chance of difficult weaning from cardiopulmonary bypass and a poorer clinical outcome. Directly after weaning, interventricular dyssynchrony, paradoxical septal motion, and even temporary bundle-branch block might be observed. In this study, the authors measured arterial dP/dtmax, mean arterial pressure (MAP), and cardiac index using transpulmonary thermodilution, pulse contour analysis, and femoral artery catheter and compared the effects between right ventricular (A-RV) and biventricular (A-BiV) pacing on these parameters...
July 8, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29217446/the-use-of-the-profunda-femoral-artery-as-the-sole-target-vessel-to-bypass-aorto-iliac-disease-in-patients-with-critical-limb-ischemia-and-concomitant-unreconstructable-infra-inguinal-disease
#4
Nikolaos Kontopodis, Stella Lioudaki, Christos Chronis, Paris Kalogerakos, George Lazopoulos, Alexandra Papaioannou, Christos V Ioannou
BACKGROUND: Critical limb ischemia (CLI) often results from multilevel occlusive disease. There are occasions where a patent profunda femoral artery (PFA) is the only target artery that can be used as outflow during reconstruction to bypass aorto-iliac disease (AOID), with no further option for infra-inguinal revascularization. We aim to report results of the use of PFA as the sole target vessel for the treatment of these patients. METHODS: This is a retrospective, single-center study including CLI patients treated during 36-months...
December 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29217231/risk-factors-for-radial-to-femoral-artery-pressure-gradient-in-patients-undergoing-cardiac-surgery-with-cardiopulmonary-bypass
#5
Vincent Bouchard-Dechêne, Pierre Couture, Antonio Su, Alain Deschamps, Yoan Lamarche, Georges Desjardins, Sylvie Levesque, André Y Denault
OBJECTIVE: To identify risk factors associated with radial-to-femoral pressure gradient during cardiac surgery with cardiopulmonary bypass (CPB). DESIGN: This is a retrospective, observational study. SETTING: Single specialized cardiothoracic hospital in Montreal, Canada. PARTICIPANTS: Consecutive patients that underwent heart surgery with CPB between 2005 and 2015 (n = 435). INTERVENTIONS: None...
September 15, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29214670/recanalization-of-native-superficial-femoral-artery-chronic-total-occlusion-after-failed-femoropopliteal-bypass-in-patients-with-critical-limb-ischemia
#6
Zhenjiang Li, Rui Feng, Feng Qin, Zhiqing Zhao, Liangxi Yuan, Yiming Li, Junjun Liu, Jiaxuan Feng, Jian Zhou, Junmin Bao, Zaiping Jing
OBJECTIVES: This study aimed to examine the outcomes of endovascular recanalization for native superficial femoral artery (SFA) chronic total occlusion (CTO) in patients with critical limb ischemia (CLI) after femoropopliteal bypass failure with limited surgical revascularization options. BACKGROUND: Endovascular recanalization of native artery occlusions has been recently used as a new alternative for threatened limbs after bypass graft occlusion. The feasibility and efficacy has not been widely reported...
December 6, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29207490/is-trabecular-bone-score-valuable-in-bone-microstructure-assessment-after-gastric-bypass-in-women-with-morbid-obesity
#7
Agustina Pia Marengo, Fernando Guerrero Pérez, Luis San Martín, Rosa Monseny, Anna Casajoana, Rocio Valera, Nuria Virgili, Andreu Simó Servat, Albert Prats, Carmen Gómez-Vaquero, Nuria Vilarrasa
INTRODUCTION: The effects of bariatric surgery on skeletal health raise many concerns. Trabecular bone score (TBS) is obtained through the analysis of lumbar spine dual X-ray absorptiometry (DXA) images and allows an indirect assessment of skeletal microarchitecture (MA). The aim of our study was to evaluate the changes in bone mineral density (BMD) and alterations in bone microarchitecture assessed by TBS in morbidly obese women undergoing Roux-en-Y gastric bypass (RYGB), over a three-year follow-up...
December 2, 2017: Nutrients
https://www.readbyqxmd.com/read/29203042/-treatment-of-radiation-induced-iliofemoral-arterial-complications-with-groin-radionecrosis
#8
J-M Fichelle
Long-term iliofemoral complications induced by radiation include vascular (arterial and venous) lesions, nervous lesions and soft tissue loss that can be cutaneous and subcutaneous and potentially lead to radionecrosis with vessel exposure. We present five cases of groin radionecrosis. There were three men and two women (age 30-73 years). Radiotherapy had been delivered 15 years earlier in three cases, and 2 years earlier in two cases. Symptoms were intermittent claudication (n=1), critical ischemia (n=1), and septic hemorrhage (n=1)...
December 2017: Journal de Médecine Vasculaire
https://www.readbyqxmd.com/read/29197605/sustained-thromboresistant-bioactivity-with-reduced-intimal-hyperplasia-of-heparin-bonded-ptfe-propaten-graft-in-a-chronic-canine-femoral-artery-bypass-model
#9
John Freeman, Aaron Chen, Roy J Weinberg, Tamuru Okada, Changyi Chen, Peter H Lin
INTRODUCTION: Bypass graft thrombosis remains a significant mode of failure in prosthetic graft revascularization. The purpose of this investigation was to evaluate the long term thromboresistant effect of heparin-bonded expanded polytetrafluoroethylene (ePTFE) graft using Carmeda Bioactive Surface Technology (CBAS) in a canine model. METHODS: Bilateral femorofemoral artery bypass grafts with ePTFE grafts were performed in 25 adult greyhound dogs. In each animal, a heparin-bonded ePTFE graft (Propaten, WL Gore) was placed on one side while a control non-heparin graft was placed on the contralateral side...
November 29, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29189832/-peripheral-embolization-and-rapid-growth-of-papillary-fibroelastoma-in-a-young-woman
#10
Alessandro Minati, Danilo Ruggiero, Florida Gripshi, Antonella Cherubini, Lorenzo Zandonà, Andrea Di Lenarda, Aniello Pappalardo
Papillary fibroelastoma, a benign cardiac tumor, is a rare clinical condition. Before the echocardiography era, the diagnosis was often occasional, especially during other cardiac procedures; but nowadays it has improved with the advent of higher-resolution imaging technology. The clinical presentation can vary from asymptomatic to severe complications such as cerebrovascular or ischemic events due to tumor embolization.We present the case of a 33-year-old female with a papillary fibroelastoma on the anterior leaflet of the mitral valve undergoing clinical examination for claudicatio intermittens...
December 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/29175037/results-from-a-multicenter-registry-of-heparin-bonded-expanded-polytetrafluoroethylene-graft-for-above-the-knee-femoropopliteal-bypass
#11
Gabriele Piffaretti, Walter Dorigo, Patrizio Castelli, Carlo Pratesi, Raffaele Pulli
OBJECTIVE: The aim of the study was to retrospectively analyze early and follow-up results of above-the-knee femoropopliteal bypasses (AKb) performed with a bioactive heparin-bonded expanded polytetrafluoroethylene (HB-ePTFE) graft in patients with peripheral arterial obstructive disease in a multicentric retrospective registry involving seven Italian vascular centers. METHODS: During a 14-year period ending in March 2016, an HB-ePTFE graft was used in 1401 interventions performed for peripheral arterial obstructive disease...
November 23, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29174662/keep-ventilating-the-lungs-while-the-heart-is-still-ejecting-on-femoro-femoral-cardiopulmonary-bypass
#12
Sisse Anette Thomassen, Dovile Leonaviciute, Poul Erik Haar, Jens Brøndum Frøkjær, Bodil Steen Rasmussen
Femoro-femoral cardiopulmonary bypass (CPB) followed by deep hypothermic circulatory arrest is one of the modalities used for ascending aortic pseudoaneurysm repair to achieve cardiac unloading and to avoid severe hemorrhage due to the risk of rupture during the sternal entry. However, due to the limited size of the cannulas, it can be challenging to achieve total cardiopulmonary support. Therefore, despite the achievement of total cardiopulmonary support, the heart may still be able to eject antegrade blood flow that meets the retrograde blood flow from the arterial side of the CPB...
October 20, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29169500/1-year-results-of-a-multicenter-randomized-controlled-trial-comparing-heparin-bonded-endoluminal%C3%A2-to-femoropopliteal-bypass
#13
Michel M P J Reijnen, Laurens A van Walraven, Wilbert M Fritschy, Mare M A Lensvelt, Clark J Zeebregts, M Suzanna Lemson, Otmar R M Wikkeling, Luuk Smeets, Suzanne Holewijn
OBJECTIVES: This study sought to compare heparin-bonded endografts with femoropopliteal bypass, including quality of life, using general health and disease-specific questionnaires as well as patency rates. BACKGROUND: Endovascular treatment continues to advance and is gaining acceptance as primary treatment for long occlusive or stenotic lesions in the superficial femoral artery. Heparin-bonded expanded polytetrafluoroethylene endografts have been related to outcomes comparable to bypass surgery, but this has not been tested in a randomized fashion...
November 27, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29153819/direct-true-lumen-cannulation-samurai-cannulation-for-acute-stanford-type-a-aortic-dissection
#14
Tadashi Kitamura, Masaki Nie, Tetsuya Horai, Kagami Miyaji
In operations for acute Stanford type A aortic dissection, several cannulation options are available for cardiopulmonary bypass arterial perfusion. These are femoral, axillary, Seldinger ascending aortic, transapical, and transatrial, each of which has advantages and drawbacks. We describe our surgical technique of direct true lumen cannulation ("Samurai" cannulation), which represents an easy, safe, and practical option in operations for acute type A aortic dissection.
December 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29151798/how-to-deal-with-penile-carcinoma-inguinal-metastases-invading-femoral-vessels
#15
Marius Fodor, Bogdan Petrut, Lucian Fodor
Penile cancer accounts for 1-10% of men neoplastic diseases and 30-60% of patients have inguinal metastases at the time of diagnosis. Inguinal metastases of penile cancer with femoral vessel involvement could lead to vascular fistula and hemorrhagic shock. We present 3 consecutive patients with inguinal metastases of penile cancer complicated by infection and hemorrhage from femoral vessels invaded by the tumor. Simultaneous extra-anatomical axillo-femoral bypass graft, wide excision of tumor and groin defect reconstruction was used to achieve "tumor-free" oncologic aim and to save the lower limb...
2017: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29147171/recent-progress-of-bypass-surgery-to-the-dialysis-dependent-patients-with-critical-limb-ischemia
#16
Nobuyoshi Azuma, Shinsuke Kikuchi, Hiroko Okuda, Keisuke Miyake, Atsuhiro Koya
According to expansion of dialysis-dependent population, more than half of patients with critical ischemic limbs are dialysis-dependent in Japan. Although patients with end-staged renal disease are well-known as poor life prognosis, well-managed dialysis patients in Japan can survive much longer compared to dialysis patients in the United States and Europe. Therefore, some dialysis patients can enjoy the long-term benefits of bypass surgery. To decide the indication of bypass surgery, patient's general condition, nutrition status, and vein availability are more important rather than arterial disease anatomy...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29145331/severe-hemodynamic-instability-after-indocyanine-green-injection-during-off-pump-coronary-artery-bypass-grafting-a-case-report
#17
Qing Zhai, Yun Wang, Ayong Tian
RATIONALE: The increasingly intraoperative use of indocyanine green (ICG) means that it is necessary to be aware of both its advantages and potential adverse effects. PATIENT CONCERNS: A 76-year-old woman developed symptoms of sudden severe hemodynamic instability while undergoing coronary artery bypass grafting with ICG injection to detect the patency of the graft. The main clinical manifestations were a sudden drop in blood pressure and increased heart rate. DIAGNOSES: Severe side effects or allergic reaction of ICG...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29142494/endovascular-treatment-of-abdominal-aortic-aneurysm-with-complete-iliac-occlusion-case-series-and-literature-review
#18
Randall W Franz, M Taha Ibrahim, Christopher F Tanga, David A Epstein
In patients with abdominal aortic aneurysms (AAA) and complete iliac occlusion, endovascular aortic aneurysm repair (EVAR) using a bifurcated stent graft has clear advantages over aortouniiliac stent grafts. Bifurcated stent grafts had improved hemodynamic flow and increased primary and secondary patency rates compared with aortouniiliac stent grafts. The use of aortouniiliac stent grafts with femorofemoral crossover bypass is associated with complications including infection of the prosthesis, steal phenomenon, and the associated difficulties for further endovascular access at the site of the femoral anastomosis...
December 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/29137901/impact-of-femoral-stem-design-on-failure-after-anterior-approach-total-hip-arthroplasty
#19
Krishna R Cidambi, Steven L Barnett, Paige R Mallette, Jay J Patel, Nader A Nassif, Robert S Gorab
BACKGROUND: An increased rate of complications related to femoral component failure has been described with less invasive total hip arthroplasty (THA). This study evaluated the incidence of femoral complications associated with the direct anterior approach for THA. METHODS: Retrospective review was performed of the initial 1120 consecutive patients who underwent direct anterior THA by 2 surgeons. RESULTS: A total of 899 patients (80.3%) had a 2-year follow-up (range, 2-8 years)...
November 11, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29136730/-application-of-the-descending-branch-of-the-lateral-circumflex-femoral-artery-in-the-coronary-artery-bypass-grafting-operation
#20
X J Luo, W Wang, Y T Wang, Y Yang, H Li, X Wang, S S Hu
Objective: To investigate the technical method for harvesting and application of the descending branch of the lateral circumflex femoral artery (DBLCFA) in the coronary artery bypass grafting (CABG) operation. Methods: Between December 2016 and April 2017, 19 patients were arranged to use DBLCFA and got CT angiography (CTA) of pelvic and femoral arteries pre-operative at Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College. Finally, DBLCFA was harvested in 16 patients (including 2 female patients, with a mean age of (47...
November 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
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