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Journal articles on the topic 'Implantation of a vascular prosthesis/methods'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Schneider, A., M. Chandra, G. Lazarovici, et al. "Naturally Produced Extracellular Matrix Is an Excellent Substrate for Canine Endothelial Cell Proliferation and Resistance to Shear Stress on PTFE Vascular Grafts." Thrombosis and Haemostasis 78, no. 05 (1997): 1392–98. http://dx.doi.org/10.1055/s-0038-1665417.

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SummaryPurpose: Successful development of a vascular prosthesis lined with endothelial cells (EC) may depend on the ability of the attached cells to resist shear forces after implantation. The present study was designed to investigate EC detachment from extracellular matrix (ECM) precoated vascular prostheses, caused by shear stress in vitro and to test the performance of these grafts in vivo. Methods: Bovine aortic endothelial cells were seeded inside untreated polytetrafluoro-ethylene (PTFE) vascular graft (10 X 0.6 cm), PTFE graft precoated with fibronectin (FN), or PTFE precoated with FN a

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Basir, Amir, Philip de Groot, Paul F. Gründeman, et al. "In Vitro Hemocompatibility Testing of Dyneema Purity Fibers in Blood Contact." Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery 10, no. 3 (2015): 195–201. http://dx.doi.org/10.1097/imi.0000000000000163.

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Objective Heart valve and vascular prosthesis implantation is a common procedure for patients with heart valve stenosis or regurgitation and dilated or obstructive vascular disease. Drawbacks of conventional valve prostheses are the requirement for anticoagulant drugs, moderate durability, and suboptimal resistance to fatigue and tear. Dyneema Purity fibers are made from ultra-high-molecular-weight polyethylene filaments and are very thin, flexible, and fatigue and abrasion resistant and have high strength. Therefore, prostheses made from Dyneema Purity fibers might be attractive for use in th

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Töpel, Betz, Uhl, Wiesner, Bröckner, and Steinbauer. "Use of biosynthetic prosthesis (Omniflow II®) to replace infected infrainguinal prosthetic grafts - first results." Vasa 41, no. 3 (2012): 215–20. http://dx.doi.org/10.1024/0301-1526/a000188.

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Background: The current treatment standard of infected infrainguinal prosthetic vascular grafts includes total graft explantation and autologous vascular reconstruction. In the absence of appropriate autologous venous graft material prosthetic grafts with increased bacterial resistance can be used, whereas reinfection rates are still higher than after autologous reconstruction. Biosynthetic grafts have shown low postoperative infection rates when used as elective bypass material. Their higher resistance to bacterial infection could make them an alternative to replace infected prosthetic grafts

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Tupikin, R. S., S. K. Chibirov, A. A. Zebelyan, A. N. Fedorchenko, and V. A. Porhanov. "Endovascular treatment of spurious aneurysm of the aorto-femoral shunt with the use of a stent graft." Innovative medicine of Kuban, no. 3 (September 21, 2019): 49–52. http://dx.doi.org/10.35401/2500-0268-2019-15-3-49-52.

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This report presents a clinical case of endovascular treatment of a rare complication - a spurious aneurysm from a linear aorto-femoral shunt. We performed implantation of a self-expandable stent graft directly into the vascular prosthesis in the projection of the defect of its wall. We tried to foresee possible procedural complications, and in this regard to justify the choice of tactics of treatment and selection of the applied tools. Given the lack of available literature data on the methods and techniques of interventions in this pathology, we believe that our experience will be interestin

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Wang, Jian, Peng Wu, Qiang Liu, et al. "Effect of a three-piece inflatable penile prosthesis combined with a phosphodiesterase-5 inhibitor on erectile dysfunction." Journal of International Medical Research 49, no. 4 (2021): 030006052098536. http://dx.doi.org/10.1177/0300060520985365.

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Objective To investigate the therapeutic effect of implanting a three-piece inflatable penile prosthesis (IPP) combined with the phosphodiesterase-5 inhibitor sildenafil in severe erectile dysfunction (ED) patients. Methods This randomized controlled study included 123 ED patients. Sixty-two patients received the IPP implantation and 61 patients received the IPP implantation and the phosphodiesterase-5 inhibitor sildenafil. Erectile function and sexual life quality were evaluated using the five-item International Index of Erectile Function (IIEF) and modified Sexual Life Quality Questionnaire–

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Stanevičiūtė, Elvyra, Inga Urtė Builytė, Martynas Ridziauskas, et al. "Efficacy of Antiseptic Solutions in Treatment of Staphylococcus Aureus Infected Surgical Wounds with Patches of Vascular Graft: An Experimental Study in Rats." Medicina 55, no. 4 (2019): 106. http://dx.doi.org/10.3390/medicina55040106.

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Background and objectives: Treatment of a prosthetic vascular graft infection (PVGI) remains a challenging problem in vascular surgery. The aim of this study was to design a novel rat model for treatment of peripheral vascular prosthesis infection caused by Staphylococcus aureus (S. aureus) and to determine the efficacy of different antiseptic solutions in suppressing or eradicating infection from the wound and the graft material itself. Materials and methods: A piece of Dacron vascular prosthesis was surgically implanted at the dorsum of 48 Wistar rats and the wounds were infected with 5 McFa

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Bruns, Christiane, Bernd Wolfgarten, Michael Walter, Heinz Pichlmaier, and Jürgen Koebke. "Gasless Videoendoscopic Implantation of an Aortobifemoral Vascular Prosthesis via a Transperitoneal versus Extraperitoneal Approach: An Experimental Study." Journal of Endovascular Therapy 3, no. 3 (1996): 290–96. http://dx.doi.org/10.1177/152660289600300308.

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Purpose: To report progress in the development of a new minimally invasive surgical technique for aortobifemoral grafting utilizing gasless videoendoscopy. Methods: In an experimental study, aortobifemoral Dacron vascular prostheses were implanted in 20 human cadavers using videoendoscopic techniques in both transperitoneal and extraperitoneal approaches. Rather than inducing pneumoperitoneum, the abdominal wall was elevated with an electrically powered lifting system. Results: Each approach was utilized in 10 cadavers for implantation of 20 aortobifemoral grafts under endoscopic guidance in a

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Gentile, Giorgio, Alessandro Franceschelli, Paolo Massenio, et al. "Patient’s satisfaction after 2-piece inflatable penile prosthesis implantation: An Italian multicentric study." Archivio Italiano di Urologia e Andrologia 88, no. 1 (2016): 1. http://dx.doi.org/10.4081/aiua.2016.1.1.

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Introduction: Penile prosthesis implant represents a valuable solution for pts with severe erectile dysfunction (ED), non-responders to medical management. The aim of our study was to evaluate the satisfaction of patients (pts) after 2-pieces inflatable penile prosthesis (IPP). Aim of the study: to evaluate safety, reliability and post-operative patient’s satisfaction after implantation of two-pieces IPP. Materials and Methods: This retrospective multicentric analysis concerns a group of 42 patients undergone 2-pieces IPP implantation from November 2005 to November 2013, in four Centers of pro

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White, Rodney A., Carlos E. Donayre, Christian deVirgilio, Eric Weinstein, Fermin Tio, and George Kopchok. "Deployment Technique and Histopathological Evaluation of an Endoluminal Vascular Prosthesis Used to Repair an Iliac Artery Aneurysm." Journal of Endovascular Therapy 3, no. 3 (1996): 262–69. http://dx.doi.org/10.1177/152660289600300302.

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Purpose: To describe the deployment technique, function, and gross healing of an endoluminal vascular prosthesis deployed in a high-risk patient for treatment of a common iliac artery (CIA) aneurysm. Methods: An 82-year-old, high-risk male with a 4-cm-diameter CIA aneurysm approximately 4.5 to 5 cm long was treated with endoluminal exclusion of the lesion using a 6-cm-long, 14-mm-internal diameter Dacron vascular prosthesis with Palmaz 308 stents sutured to either end of the graft. Intravascular ultrasound (IVUS) imaging facilitated sizing of the endograft and its accurate positioning so as to

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Furukoshi, Maya, Eisuke Tatsumi, and Yasuhide Nakayama. "Application of in-body tissue architecture–induced Biotube vascular grafts for vascular access: Proof of concept in a beagle dog model." Journal of Vascular Access 21, no. 3 (2019): 314–21. http://dx.doi.org/10.1177/1129729819874318.

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Introduction: The first choice of vascular access for hemodialysis is an autogenous arteriovenous fistula, because prosthetic arteriovenous grafts have a high probability of failure. In this study, Biotubes, in-body tissue architecture–induced autologous collagenous tubes, were evaluated for their potential use as vascular access grafts. Three animal implantation models were developed using beagle dogs, and the in vivo performance of Biotubes was observed after implantation in the acute phase as a pilot study. Methods: Biotubes (internal diameter ca. 4.0 mm, length ca. 5.0 cm, and wall thickne

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Sznapka, Mariola, Anna Brzęk, Damian Ziaja, et al. "Analysis of Sexual Disorders in Men with Infrarenal Abdominal Aortic Aneurysm Treated by Stent-Graft or Prosthesis Implantation—A Pilot Study." Medicina 56, no. 4 (2020): 191. http://dx.doi.org/10.3390/medicina56040191.

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Background and objectives: Patients with obstruction or stenosis of the aorta and iliac arteries or with aortic aneurysm, often co-existing with iliac artery aneurysms, suffer from sexual disorders because of insufficient perfusion to the pelvic organs and penis. This is often the cause of visits to a medical doctor’s office with reports of a difficult life situation and a problem with the satisfactory completion of sexual intercourse. A low percentage of vascular surgeons or angiologists are prepared to talk about issues related to the hereditary sphere with a patient who qualifies for the tr

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Milnerowicz, Artur I., Aleksandra A. Milnerowicz, Marcin Protasiewicz, and Wiktor Kuliczkowski. "Use of vascular closure devices for endovascular interventions requiring a direct puncture of PETE grafts." Vasa 47, no. 2 (2018): 119–24. http://dx.doi.org/10.1024/0301-1526/a000677.

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Abstract. Background: Effectiveness of vascular closure devices during endovascular procedures requiring a direct puncture of a vascular prosthesis placed in the inguinal region is unknown. Patients and methods: The retrospective analysis included 134 patients with a history of polyethylene terephthalate (PETE) graft implantation in the inguinal region. In 20 (15 %) patients, haemostasis was achieved with manual compression, in 21 (16 %) with the StarClose™, and in 93 (69 %) with the AngioSeal™ device. Results: The incidence of vascular complications in the manual compression group was higher

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Hytönen, Jarkko P., Olli Leppänen, Jouni Taavitsainen, et al. "Improved endothelialization of small-diameter ePTFE vascular grafts through growth factor therapy." Vascular Biology 1, no. 1 (2019): 1–9. http://dx.doi.org/10.1530/vb-18-0001.

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Background Prosthetic vascular grafts in humans characteristically lack confluent endothelialization regardless of the duration of implantation. Use of high-porosity grafts has been proposed as a way to induce endothelialization through transgraft capillarization, although early experiments failed to show increased healing in man. Objectives We hypothesized that transduction of tissues around the prosthetic conduit with vectors encoding VEGF receptor-2 (VEGFR2) ligands would augment transinterstitial capillarization and induce luminal endothelialization of high-porosity ePTFE grafts. Methods F

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Krivkina, E. O., V. N. Silnikov, A. V. Mironov, et al. "BIODEGRADABLE VASCULAR GRAFT MODIFIED BY RGD-PEPTIDES: EXPERIMENTAL RESEARCH." Siberian Medical Journal 34, no. 2 (2019): 129–37. http://dx.doi.org/10.29001/2073-8552-2019-34-2-129-137.

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Research goals. To study the effectiveness of RGD-peptide modification of the small-diameter biodegradable vascular grafts depending on the type of a linker and RGD configuration.Material and Methods. Tubular scaffolds with a diameter of 1.5 and 4.0 mm were produced by electrospinning from polyhydroxybutyrate/valerate (PHBV) and polycaprolactone (PCL). The PHBV/PCL grafts were modified with RGD peptides. In vitro experiments showed the degree of erythrocyte hemolysis and adhesion of the platelets and endothelial cells when in contact with a modified surface. The physico-mechanical properties a

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Sevostyanova, V. V., E. O. Krivkina, and L. V. Antonova. "Approaches to antithrombotic modification of vascular implants." Kazan medical journal 101, no. 2 (2020): 232–42. http://dx.doi.org/10.17816/kmj2020-232.

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Vascular implants in contact with blood must have high thrombotic resistance. However, in some cases, their implantation is associated with thrombosis and subsequent impaired patency of the blood vessel. Most often, this problem affects implants intended for reconstruction of small diameter vessels, which is associated with hemodynamic features in this part of the bloodstream. These include blood vessel prostheses, tissue-engineered vascular grafts, and endovascular stents. The features of the implant material are of great importance when choosing a method for its modification in order to impr

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Fontaine, Arthur B., Susan Dos Passos, Dimitrios Spigos, Jody Cearlock, and Alberto Urbaneja. "Use of Polyetherurethane to Improve the Biocompatibility of Vascular Stents." Journal of Endovascular Therapy 2, no. 3 (1995): 255–65. http://dx.doi.org/10.1177/152660289500200304.

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Purpose: To investigate potential differential growth of neointima following overdilating arterial trauma with polyetherurethane-coated versus bare metalìc stents in swine. Methods: Twelve specially constructed tantalum stents, 6 coated with polyetherurethane block copolymer and 6 uncoated, were overdilated by 25% in 12 normal renal arteries of six swine. The stents were harvested 8 weeks after implantation and prepared for histologic examination. Neointimal thickness was quantified and analyzed for significant differences between coated and uncoated prostheses. Results: All specimens demonstr

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Dal Ponte, Donny B., Scott S. Berman, Vangie Patula, Leigh Kleinert, and Stuart K. Williams. "Abdominal Aortic Healing Associated with a Thin-Walled Dacron—Covered Endovascular Graft in a Canine Model." Journal of Endovascular Therapy 9, no. 3 (2002): 333–43. http://dx.doi.org/10.1177/152660280200900312.

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Purpose: To characterize the healing response associated with an experimental endovascular graft (EVG) by examining the lumen of the prosthesis and the native vessel wall responses after implantation in a canine model. Methods: An endovascular graft (EVG) constructed of hookless self-expanding nitinol springs covered by an ultrathin Dacron fabric was placed in the abdominal aorta of 8 dogs following femoral artery catheterization. After 12 weeks, specimens were subjected to histological and immunocytochemical testing to quantitatively and qualitatively analyze the cellular makeup of the lumina

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Matic, Predrag, Slobodan Tanaskovic, Rastko Zivic, et al. "Negative-pressure wound therapy for deep groin vascular infections." Srpski arhiv za celokupno lekarstvo 144, no. 11-12 (2016): 621–25. http://dx.doi.org/10.2298/sarh1612621m.

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Introduction. Infection of synthetic graft in the groin is a rare but devastating complication. When it occurs, several possibilities of treatment are available. Extra-anatomic reconstruction and in-situ implantation of new, infection resistant grafts are associated with high mortality and morbidity. Therefore, more conservative approach is needed in some cases. Negative-pressure wound therapy is one of the options in treating such patients. Objective. The aim of this study was to assess the outcome for deep groin vascular graft infection treated with negative-pressure wound therapy. Methods.

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Piasecka-Zelga, Joanna, Piotr Zelga, Karolina Gronkowska, et al. "Toxicological and Sensitization Studies of Novel Vascular Prostheses Made of Bacterial Nanocellulose Modified with Chitosan (MBC) for Application as the Tissue-Engineered Blood Vessels." Regenerative Engineering and Translational Medicine 7, no. 2 (2021): 218–33. http://dx.doi.org/10.1007/s40883-021-00209-y.

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Abstract Background Tissue-engineered blood vessels (TEBV) represent an attractive approach for overcoming reconstructive problems associated with vascular diseases in humankind by providing small caliber vascular grafts. The study evaluates biocompatibility and bioaffinity of vascular prostheses made from chitosan-modified bacterial cellulose (MBC) as potential scaffolds for TEBV. Methods During the study, acute oral toxicity, up-and-down procedure (UDP), OECD test No. 425 on 10 Imp:WIST rats, intradermal reactivity on three Imp:BN albino rabbits, and sensitization on 15 Imp:DH guinea pigs we

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Schmidt, Steven P., Michelle Evancho-Chapman, Amy Deeken, Hans Van Giezen, and Stefan C. Carlsson. "Efficacy of the Direct Thrombin Inhibitor Ximelagatran in Maintaining Small-Diameter Vascular Graft Patency." Blood 106, no. 11 (2005): 1871. http://dx.doi.org/10.1182/blood.v106.11.1871.1871.

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Abstract Objective: A clinically successful small-diameter prosthetic vascular graft has yet to be developed. Improved performance outcomes are also needed with larger-diameter prosthetic vascular grafts for arterial bypass. Ximelagatran (ExantaTM), a fixed-dose, oral direct thrombin inhibitor, is under investigation for thromboprophylaxis in various clinical settings. We hypothesized that ximelagatran could be successful in promoting patencies of small-diameter prosthetic vascular bypass grafts. We hypothesized that ximelagatran could be successful in promoting patencies of small-diameter pro

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Chirichilli, Ilaria, Francesco Giosuè Irace, Salvatore D’Aleo, et al. "Long-term follow-up of Bentall procedure using the Perimount bioprosthesis and the Valsalva graft." Interactive CardioVascular and Thoracic Surgery 30, no. 5 (2020): 679–84. http://dx.doi.org/10.1093/icvts/ivaa007.

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Abstract OBJECTIVES Bentall procedure is the gold standard for aortic root pathologies when valve repair is not feasible. The development of durable bioprosthetic valves and improved vascular conduits allowed the implementation of bioprosthetic composite grafts; hereby, we performed a retrospective analysis of long-term follow-up of Bentall procedure using the Valsalva graft and the Perimount Magna Ease prosthesis. METHODS From June 2000 to March 2019, 309 patients received an aortic root and valve replacement with a bioprosthetic composite graft. The mean age was 69 ± 6.9 years, and the major

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Rucińska, Zuzanna, Jan Juzwiszyn, Zofia Bolanowska, et al. "The evaluation of the postoperative course in patients operated due to abdominal aortic aneurysm as urgent or elective procedure." Polish Journal of Surgery 90, no. 5 (2018): 1–5. http://dx.doi.org/10.5604/01.3001.0012.4713.

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Introduction. The patients with the aortic abdominal aneurysm of 55mm in diameter are qualified for surgery. There is open repair (OR) by means of the vascular prosthesis implantation or the less invasive endovascular method by means of the stent graft implantation through femoral arteries incision (EndovascularAorticRepair - EVAR). The aim of the study was the evaluation of the postoperative course in patients operated due to the aortic abdominal aneurysm and the evaluation of the impact of the surgical method on the short-time results. Material and methods. 124 patients operated due to the a

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Alassar, Aiman, David Roy, Oswaldo Valencia, Stephen Brecker, and Marjan Jahangiri. "Survival, Predictive Factors, and Causes of Mortality following Transcatheter Aortic Valve Implantation." Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery 8, no. 5 (2013): 359–63. http://dx.doi.org/10.1097/imi.0000000000000024.

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Objective Transcatheter aortic valve implantation (TAVI) is considered the standard of care for patients with severe symptomatic aortic stenosis unsuitable for surgery. However, short- and long-term mortality after TAVI are still relatively high. The aim of this study was to establish survival, predictive factors, and causes of mortality after TAVI at early and midterm follow-up. Methods Between December 2007 and May 2012, a total of 119 patients with symptomatic severe aortic stenosis underwent 121 TAVI procedures. The mean ± SD age was 81 ± 9 years, and 59% were men. The mean ± SD logistic E

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Beshev, Lyubomir Ts, Valentina E. Edreva-Besheva, Mariya P. Sredkova, and Dobromir D. Nguen. "Late Prosthetic Vascular Graft Infections after Reconstructions on Aortoiliac Segment: An Eleven Years Experience." Journal of Biomedical and Clinical Research 6, no. 1 (2013): 43–50. http://dx.doi.org/10.1515/jbcr-2015-0102.

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Summary The purpose of the study was to evaluate the frequency and etiology of late prosthetic vascular graft infections after reconstructions on aortoiliac segment. From 2001 to 2011,545 primary reconstructions were performed on 545 consecutive patients. We had 18 cases of late intracavitary graft infections in 14 of them. A total of 58 clinical specimens collected from patients before, during and after reoperation were analyzed. Pathogens were isolated using conventional methods for aerobic and anaerobic bacteria. The isolates were identified down to species level by conventional biochemical

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Abdelgawad, Ahmed Moustafa Ewiss, Mohamed A. Hussein, Hesham Naeim, Reda Abuelatta, and Saleh Alghamdy. "A Comparative Study of TAVR versus SAVR in Moderate and High-Risk Surgical Patients: Hospital Outcome and Midterm Results." Heart Surgery Forum 22, no. 5 (2019): E331—E339. http://dx.doi.org/10.1532/hsf.2243.

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Background: Although the use of transcatheter aortic valve replacement (TAVR) has recently become an attractive strategy in prohibitive surgical high-risk patients undergoing aortic valve replacement (AVR), the most appropriate treatment option in patients with an intermediate- to high-risk profile— whether conventional surgery (SAVR) or TAVR—has been widely debated. Methods: One hundred and forty-three consecutive patients with intermediate to high risk were prospectively enrolled and selected to undergo SAVR (Group 1 [G1], n = 63) or TAVR (Group 2 [G2], n = 80) following a multidiscipl

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Bisdas, Mattner, Ott, et al. "Significance of infection markers and microbiological findings during tissue processing of cryopreserved arterial homografts for the early postoperative course." Vasa 38, no. 4 (2009): 365–73. http://dx.doi.org/10.1024/0301-1526.38.4.365.

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Background: To evaluate homograft implantation for the urgent treatment of vascular infections on the basis of the course of infection using microbiological findings in perioperatively obtained specimens and during homograft processing. Patients and methods: 85 patients were treated with cryopreserved homografts from 2004-2007. The microbiological findings of the decontamination process of homografts in the tissue bank were evaluated. The perioperative infection profile (microorganisms, CRP, leukocytes, body temperature) of the patients was analysed. Results: Complete microbiological and clini

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Filgueiras, Dante Togeiro Bastos, Fábio de Castro Sampaio, Seleno Glauber de Jesus-Silva, Melissa Andreia de Moraes Silva, and Rodolfo Souza Cardoso. "Tratamento da Isquemia Mesentérica Crônica através da Angioplastia do Tronco Celíaco: Série de Casos / Treatment of Chronic Mesenteric Ischemia through Celiac Trunk Angioplasty: Case Series." REVISTA CIÊNCIAS EM SAÚDE 6, no. 3 (2016): 142–51. http://dx.doi.org/10.21876/rcsfmit.v6i3.579.

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Introdução: A estenose aterosclerótica das artérias viscerais pode ser responsável pela manifestação da Isquemia Mesentérica Crônica (IMC). Apesar de o Tronco Celíaco (TC) ser o vaso mais frequentemente acometido, o tratamento cirúrgico é cada vez menos utilizado. O tratamento endovascular, apesar de possuir perviedade inferior a longo prazo, tornou-se o método de escolha devido à fácil execução e baixo índice de complicações. Relato de Casos: Descreve-se quatro casos de revascularização endovascular do TC com implante de stent em pacientes com sintomas de IMC. A avaliação diagnóstica foi real

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Soborov, M. A., O. V. Kanadashvili, E. N. Belykh, and K. S. Baranov. "Immediate outcomes of simultaneous and step-by-step reconstruction of aortic dissection: a single-center study." Sechenov Medical Journal 12, no. 1 (2021): 18–29. http://dx.doi.org/10.47093/2218-7332.2021.12.1.18-29.

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The aim. To evaluate the immediate outcomes after complete single-stage or step-by-step reconstruction of the primary and secondary distal aortic dissection using implantation of bare metal stents in the thoracoabdominal aorta.Materials and methods. A prospective study was performed involving 21 patients (19 male) with aortic dissection: 8 had secondary distal dissection (group 1) and 13 had primary distal dissection (group 2). In all patients, indications for intervention were signs of malperfusion in one or more vascular regions. The following factors were evaluated: 30-day survival after su

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Karrer, L., J. Duwe, A. H. Zisch, et al. "PPS-PEG Surface Coating to Reduce Thrombogenicity of Small Diameter ePTFE Vascular Grafts." International Journal of Artificial Organs 28, no. 10 (2005): 993–1002. http://dx.doi.org/10.1177/039139880502801006.

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Aims Patency failure of small vascular synthetic grafts is still a major problem for coronary and peripheral revascularization. Thus, three new surface coatings of small synthetic grafts were tested in an acute pig model to evaluate their thrombogenicity (extracorporeal arterio-venous shunt) and in a chronic rat model to evaluate the tissue reaction they induced (subcutaneous implantation). Methods In five domestic pigs (25–30 kg) an extracorporeal femoro-femoral arterio-venous shunt model was used. The study protocol included first a non-heparinized perfusion sequence followed by graft perfus

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Loth, Francis, Steven A. Jones, Christopher K. Zarins, et al. "Relative Contribution of Wall Shear Stress and Injury in Experimental Intimal Thickening at PTFE End-to-Side Arterial Anastomoses." Journal of Biomechanical Engineering 124, no. 1 (2001): 44–51. http://dx.doi.org/10.1115/1.1428554.

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Background : Intimal hyperplastic thickening (IHT) is a frequent cause of prosthetic bypass graft failure. Induction and progression of IHT is thought to involve a number of mechanisms related to variation in the flow field, injury and the prosthetic nature of the conduit. This study was designed to examine the relative contribution of wall shear stress and injury to the induction of IHT at defined regions of experimental end-to-side prosthetic anastomoses. Methods and Results: The distribution of IHT was determined at the distal end-to-side anastomosis of seven canine Iliofemoral PTFE grafts

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Klamroth, Robert, Frank Seibt, Hartmut Rimpler, and Helmut Landgraf. "Recurrent Vascular Access Site Thrombosis in Patients on Hemodialysis - a Problem of Thrombophilia?." Blood 104, no. 11 (2004): 4018. http://dx.doi.org/10.1182/blood.v104.11.4018.4018.

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Abstract Introduction: Vascular access site thrombosis in patients receiving hemodialysis is a major cause of hospital admission and recurrent surgery. The underlying pathologic cause is often stenosis of the venous vessel due to fibromuscular hyperplasia. But in the case of early failure occasional studies have investigated that hypercoagulability could play an important role in this context. Aim of the study: Is there a higher prevalence of hereditary and acquired thrombophilic risk factors in patients with vascular access thrombosis in comparison to patients without? Patients: In 2002 and 2

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Hawthorne, Wayne J., Peng Y. Ao, and John P. Fletcher. "Vascular closure staples reduce intimal hyperplasia in prosthesis implantation." ANZ Journal of Surgery 72, no. 12 (2002): 862–66. http://dx.doi.org/10.1046/j.1445-2197.2002.t01-1-02588.x.

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Heidenreich, Axel, Daniel Porres, Charlotte Piper, Andrea K. Thissen, and David J. K. P. Pfister. "Surgical management of testicular cancer patients with complex postchemotherapy residual masses: Aachen University experience." Journal of Clinical Oncology 32, no. 4_suppl (2014): 387. http://dx.doi.org/10.1200/jco.2014.32.4_suppl.387.

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387 Background: Post-chemotherapy retroperitoneal lymphadenectomy (PC-RPLND) represents the treatment of choice in patients with residual masses following chemotherapy for advanced non-seminomatous testicular germ cell tumors (NSGCT). Involvement of the abdominal aorta, the inferior vena cava or the thoracic/lumbar spine are rare but need complete resection for curative intent. We report on our single center experience in the management of such complex cases. Methods: Between January 2009 and September 2014 post-chemotherapeutic retroperitoneal lymph node dissection (PCRPLND) was performed in

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Deho', Federico, Gerard D. Henry, Enrico M. Marone, et al. "Severe Vascular Complication after Implantation of a Three‐Piece Inflatable Penile Prosthesis." Journal of Sexual Medicine 5, no. 12 (2008): 2956–59. http://dx.doi.org/10.1111/j.1743-6109.2008.01012.x.

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Lio, Antonio, Matteo Ferrarini, Antonio Miceli, and Mattia Glauber. "Sutureless Prosthesis Implantation and Ascending Aorta Replacement through a Ministernotomy Approach." Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery 13, no. 3 (2018): 239–41. http://dx.doi.org/10.1097/imi.0000000000000479.

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A significant proportion of patients undergoing aortic valve replacement have a dilated ascending aorta; presence of an ascending aorta aneurysm is viewed as a contraindication for sutureless valve implantation for the potential risk of prosthesis dislodgment. We describe our technique of sutureless prosthesis implantation and concomitant ascending aorta replacement through an upper ministernotomy. Seven patients underwent aortic valve replacement with a sutureless prosthesis and concomitant ascending aorta replacement between November 2014 and October 2016. A J-shaped upper ministernotomy was

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Tu, R., E. Wang, C. Hata, S. H. Shen, D. Lin, and R. C. Quijano. "A Compliant Biological Vascular Prosthesis." International Journal of Artificial Organs 16, no. 3 (1993): 141–45. http://dx.doi.org/10.1177/039139889301600307.

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One requirement of the mechanical parameters for an acceptable vascular prosthesis is compliance. The compliance of a vascular prosthesis is defined as the fractional change in luminal volume per unit change in applied pressure. A compliant prosthesis has been correlated to prosthesis patency and long-term efficacy in an animal study. However, there have been very few reports on how to manufacture a compliant prosthesis. It is the objective of this study to research the processing methods to manufacture a reasonably compliant vascular prosthesis. A new fixative, polyepoxy compound, was used to

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Woźniak, Witold, Robert Bajno, Michał Świder, and Piotr Ciostek. "The Usefulness of Biosynthetic Vascular Graft Omniflow II and Autologous Veins for the Treatment of Massive Infection of Dacron Vascular Graft with Enterococcus faecalis HLAR." Polish Journal of Microbiology 65, no. 4 (2016): 471–74. http://dx.doi.org/10.5604/17331331.1227674.

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Infections of vascular grafts are the most severe complications in vascular surgery. We present the case of a 73-year-old male with infection of a dacron prosthesis with a strain of Enterococcus faecalis. The patient was treated with replacement of a full prosthesis with a combined graft constructed from Biosynthetic Vascular graft Omniflow and autologous veins. This graft is recommended for implantation in patients with a higher risk of infection. Our case is one of the first reported usage of this kind of graft in the aortic region and in a 2 years observation period no recurrence of infecti

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Salgado-Fernandez, Jorge, Nicolas Vazquez-Gonzalez, Oscar Prada-Delgado, et al. "VASCULAR COMPLICATIONS OF TRANSFEMORAL AORTIC VALVE IMPLANTATION WITH THE EDWARDS-SAPIEN™ PROSTHESIS." Journal of the American College of Cardiology 57, no. 14 (2011): E1612. http://dx.doi.org/10.1016/s0735-1097(11)61612-4.

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Dieval, Florence, Foued Khoffi, Riaz Mir, et al. "Long-Term Biostability of Pet Vascular Prostheses." International Journal of Polymer Science 2012 (2012): 1–14. http://dx.doi.org/10.1155/2012/646578.

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PET Vascular prostheses are susceptible to physical modification and chemical degradation leading sometimes to global deterioration and rupture of the product. To understand the mechanisms of degradation, we studied 6 vascular prostheses that were explanted due to medical complications. We characterized their level of degradation by comparing them with a virgin prosthesis and carried out physicochemical and mechanical analyses. Results showed an important reduction of the fabric’s mechanical properties in specific areas. Moreover, PET taken from these areas exhibited structural anomalies and w

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Szymonowicz, Maria, Maciej Dobrzynski, Sara Targonska, et al. "The Influence of a Knitted Hydrophilic Prosthesis of Blood Vessels on the Activation of Coagulation System—In Vitro Study." Nanomaterials 11, no. 6 (2021): 1600. http://dx.doi.org/10.3390/nano11061600.

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The replacement of affected blood vessels of the polymer material can cause imbalances in the blood haemostatic system. Changes in blood after the implantation of vascular grafts depend not only on the chemical composition but also on the degree of surface wettability. The Dallon® H unsealed hydrophilic knitted vascular prosthesis double velour was assessed at work and compare with hydrophobic vascular prosthesis Dallon®. Spectrophotometric studies were performed in the infrared and differential scanning calorimetry, which confirmed the effectiveness of the process of modifying vascular prosth

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Stanisławska, A. "Biomaterials and Implants in Cardiac and Vascular Surgery - Review." Advances in Materials Science 14, no. 3 (2014): 5–17. http://dx.doi.org/10.2478/adms-2014-0010.

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Abstract Currently, on prosthesis in cardiac blood vessels and heart valves are used materials of animal or synthetic origin. For animal materials include, among others pericardial sac in which is the heart. Materials such as this (natural) are characterized by a remarkable biocompatibility within the human body, but their main disadvantage is the relatively low durability. In turn, synthetic materials, which include the austenitic chromium-nickel-molybdenum steels, alloys with a shape memory (nickel-titanium), or polymeric materials, such as lactic acid, are characterized by high stability in

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Podlaha, Jiří, Martin Dvořák, Věra Žižková, et al. "Experimental Assessment of a New Type of Carbon-Coated ARTECOR® Vascular Prosthesis in Sheep." Acta Veterinaria Brno 78, no. 1 (2009): 115–20. http://dx.doi.org/10.2754/avb200978010115.

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The aim of the study was to test and verify the characteristics of a new type of carbon-coated ARTECOR® vascular prosthesis developed at the Knitting Research Institute, a.s. Brno. Eight healthy Merino sheep, aged between 2 and 3 years, were implanted four types (A, B, C with diamond-like carbon (DLC) coating and D as a control without DLC) of vascular prostheses. The site of implantation was the common carotid artery; the length of the implant was 7 cm. All sheep received antibiotics prophylactically in accordance with the theory of the so-called “protected coagulum”. Doppler ultrasound exami

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Pfister, David J. K. P., Daniel Porres, Andrea K. Thissen, Charlotte Piper, and Axel Heidenreich. "Management of growing teratoma syndrome: Aachen University experience." Journal of Clinical Oncology 32, no. 4_suppl (2014): 385. http://dx.doi.org/10.1200/jco.2014.32.4_suppl.385.

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385 Background: Growing teratoma syndrome (GTS) is an infrequent clinical phenomenon. GTS is defined as an enlarging metastatic mass during systemic chemotherapy for advanced nonseminomatous germ cell tumors (NSGCT) despite decreasing serum tumor markers. Complete surgical resection of the mass is mandatory to achieve a favourable outcome. We report on our single center experience in the management of GTS. Methods: Between January 2000 and August 2009 postchemotherapeutic retroperitoneal lymph node dissection (PCRPLND) was performed in 162 patients (pts) with advanced NSGCT. Fourteen pts (4.9%

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Skóra, Jan, Artur Pupka, Andrzej Dorobisz, Piotr Barć, Krzysztof Korta, and Tomasz Dawiskiba. "Evaluation of the humoral and cellular immune responses after implantation of a PTFE vascular prosthesis." Postępy Higieny i Medycyny Doświadczalnej 66 (July 2, 2012): 469–74. http://dx.doi.org/10.5604/17322693.1002205.

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Utoh, Junichi, Yoshimasa Miyauchi, Hiraaki Goto, Hiroyuki Obayashi, and Tomomi Hirata. "Inflammatory reactions after vascular prosthesis implantation: A comparison of gelatin-sealed and unsealed dacron prostheses." Surgery Today 26, no. 4 (1996): 258–61. http://dx.doi.org/10.1007/bf00311584.

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Bao, Luhan, Feng F. Hong, Geli Li, Gaoquan Hu, and Lin Chen. "Implantation of air-dried bacterial nanocellulose conduits in a small-caliber vascular prosthesis rabbit model." Materials Science and Engineering: C 122 (March 2021): 111922. http://dx.doi.org/10.1016/j.msec.2021.111922.

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John, Alexander, Basel Al-Hariri, Juergen Ackemann, Mohamed El-Mehsen, Stefan Roethemeyer, and Henning Warnecke. "Subcoronary Implantation of a Stentless Valve in Patients with Aortic Aneurysms." Asian Cardiovascular and Thoracic Annals 16, no. 5 (2008): 355–60. http://dx.doi.org/10.1177/021849230801600503.

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Experience with a new operation for patients with aortic valve disease and aneurysm or dissection of the ascending aorta is described. Twenty-four patients aged 66 87 years were operated on using a subcoronary implantation technique with a stentless aortic valve bioprosthesis and an extension using a vascular tube prosthesis. No major adverse cardiac events were observed in the postoperative period. This operation offers a safe alternative to the technically more demanding procedures of composite bioprosthetic ascending aortic replacement or full root replacement.

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Пряхин, A. Pryakhin, Калинина, E. Kalinina, Кулаев, and I. Kulaev. "Comparative Experimental Evaluation of the Effectiveness of Composition and PTFE Prostheses in Plastic Hiatal Hernia." Journal of New Medical Technologies 22, no. 1 (2015): 101–6. http://dx.doi.org/10.12737/9088.

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The purpose of this study was to determine the optimal synthetic material for prosthetic hiatal hernia. Materials and methods. Experimental study was carried out in 24 adult rabbits of different sexes. In the ex-periment prosthetic hernioplasty hiatal hernia was simulated. The animals were divided into two groups: 12 hernioplasty with implantation of a monofilament macroporous lightweight composite prosthesis (50% polypropylene, 50% monocryl) and 12 hernioplasty with implantation of a microporous prosthesis from polytetrafluoroethylene PTFE. Comparative analysis of reparative processes i

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Zhigalov, Konstantin, Ahmed Mashhour, Sabreen Mkalaluh, et al. "Outcome of a Modified Perceval Implantation Technique." Thoracic and Cardiovascular Surgeon 68, no. 07 (2019): 602–7. http://dx.doi.org/10.1055/s-0039-1685512.

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Abstract Background In our institution, we developed a modification of the standard implantation technique of the Perceval sutureless aortic prosthesis (LivaNova, London, United Kingdom) that involves the usage of snuggers for the guiding sutures during valve deployment. The technique has been described elsewhere. In this article, we present the results of our initial case series comprising 128 consecutive patients. Methods From September 2016 to June 2018, 128 patients received a sutureless Perceval prosthesis (mean age 72.2 ± 8.5 years, 66 males). The data of the patients were prospectively

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Bogachev-Prokofiev, A. V., R. M. Sharifulin, D. D. Zubarev, and A. M. Karaskov. "The first experience of implantation of the transcatheter aortal valve prosthesis “MedLab-KT”." Russian Journal of Cardiology, no. 11 (December 6, 2018): 50–56. http://dx.doi.org/10.15829/1560-4071-2018-11-50-56.

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Aim. Transcatheter aortic valve replacement in patients with high and extremely high risk has become a routine procedure in many cardiac surgery clinics. Until recently, there were no transcatheter prostheses produced within Russia. This article analyzes the results of applying the first domestic transcatheter aortic valve prosthesis MedLabKT. Material and methods. In the period from June 2018 to October 2018, 7 operations of transcatheter aortic valve replacement were made using the MedLabKT prosthesis. In all cases, implantation was performed by transapical access.Results. We noted one deat

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