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Artykuły w czasopismach na temat „Bypass graft”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 1 lutego 2022

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1

Davidovic, Lazar, Ilija Kuzmanovic, Dusan Kostic, Ilijas Cinara, Slobodan Cvetkovic, Miljko Ristic, Dusan Velimirovic, and Dragica Jadranin. "Obturator or "lateral" bypass in the management of infected vascular prostheses at the groin." Srpski arhiv za celokupno lekarstvo 130, no. 1-2 (2002): 27–32. http://dx.doi.org/10.2298/sarh0202027d.

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The infection of the previously implanted vascular graft at the groin, is associated with great mortality and morbidity rate [1]. The authors present a retrospective study in which they analyzed management of infected vascular prostheses at the groin, using obturator bypass in 26 cases, and "lateral" bypass in 15 cases. The indications for obturator bypass reconstructions included: 20 infections of aorto-femoral grafts, two infected pse udoaneurysms in the groin after RTA of the superficial femoral artery, and 4 infections of iliac-femoral grafts. The indications for lateral bypass reconstruct

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2

Januszewski, Jacob, Jeffrey S. Beecher, David J. Chalif, and Amir R. Dehdashti. "Flow-based evaluation of cerebral revascularization using near-infrared indocyanine green videoangiography." Neurosurgical Focus 36, no. 2 (February 2014): E14. http://dx.doi.org/10.3171/2013.12.focus13473.

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Object Indocyanine green (ICG) videoangiography has been established as a noninvasive technique to gauge the patency of a bypass graft; however, intraoperative graft patency may not always correlate with graft flow. Altered flow through the bypass graft may directly cause delayed graft occlusion. Here, the authors report on 3 types of flow that were observed through cerebral revascularization procedures. Methods Between February 2009 and September 2013, 48 bypass procedures were performed. Excluded from analysis were those cases in which ICG videoangiography was not performed during surgery (w

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3

Solaković, Emir, Dragan Totić, and Sid Solaković. "Femoro-Popliteal Bypass Above Knee with Saphenous Vein vs Synthetic Graft." Bosnian Journal of Basic Medical Sciences 8, no. 4 (November 20, 2008): 367–72. http://dx.doi.org/10.17305/bjbms.2008.2899.

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There is still debate whether sintethic graft (polytetrafluoroethylene or Dacron) is equivalent to vein as bypass graft material for the above-knee femoropopliteal bypass. Therefore, we performed prospective randomized trial to compare vein with polytetrafluoroethylene/dacron for femoropopliteal bypasses with the distal anastomosis above the knee. Between January 2000 and June 2003, 121 femoropopliteal bypasses were performed. The indications for operation were severe claudication in 96 cases, rest pain in 16 cases, and ulceration in 9 cases. After randomization, 60 reversed saphenous venous b

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4

Ramanathan, Dinesh, Nancy Temkin, Louis J. Kim, Basavaraj Ghodke, and Laligam N. Sekhar. "Cerebral Bypasses for Complex Aneurysms and Tumors." Neurosurgery 70, no. 6 (March 6, 2012): 1442–57. http://dx.doi.org/10.1227/neu.0b013e31824c046f.

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Abstract BACKGROUND: Various techniques of cerebral bypasses are used to treat aneurysms and tumors. OBJECTIVE: To study long-term clinical and radiological outcome of various bypass types and to analyze techniques used in the management of long-term graft problems. METHODS: A consecutive series of patients who underwent revascularization during a 5-year period were analyzed for indications, graft patency, and neurological outcomes. Potential risk factors for bypass problems and the management of bypass stenosis were studied. RESULTS: A total of 80 patients (69 with aneurysms and 11 with tumor

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5

Khandanpour, Nader, Felicity J. Meyer, Lily Choy, Jane Skinner, and Matthew P. Armon. "Are femorodistal bypass grafts for acute limb ischemia worthwhile?" Jornal Vascular Brasileiro 8, no. 4 (December 2009): 294–300. http://dx.doi.org/10.1590/s1677-54492009000400003.

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Background: It has been shown that autogenous veins are associated with the best limb salvage rates for femorodistal bypass surgery. However, in emergency settings, when an autogenous vein is unavailable, use of synthetic graft material or amputation is a critical decision to make. Objective: To assess the appropriateness of femorodistal bypass grafts for acute limb ischemia in emergency settings. Methods: Patients who underwent emergent bypass and elective femorodistal bypass surgery between 1996 and 2006 were reviewed retrospectively in a single center. Results: There were 147 patients of wh

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6

Mohit, Alex A., Laligam N. Sekhar, Sabareesh K. Natarajan, Gavin W. Britz, and Basavaraj Ghodke. "High-flow Bypass Grafts in the Management of Complex Intracranial Aneurysms." Operative Neurosurgery 60, suppl_2 (February 1, 2007): ONS—105—ONS—123. http://dx.doi.org/10.1227/01.neu.0000249243.25429.ee.

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Abstract THE MAJORITY OF intracranial aneurysms can be treated by either endovascular coiling or microsurgical clipping. A small group of aneurysms may require vascular bypass or reconstruction for their management. A variety of vascular reconstruction techniques are available, including direct suture, patch grafting, local reimplantations, side to side anastomosis, and bypass grafts. Bypass grafts may include low-flow (superficial temporal to middle cerebral) and high-flow bypass grafts using either the radial artery or saphenous vein. In this article, the indications and techniques of high-f

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7

Alcocer, Francisco, William D. Jordan, Douglas J. Wirthlin, and David Whitley. "Early Results of Lower Extremity Infrageniculate Revascularization with a New Polytetrafluoroethylene Graft." Vascular 12, no. 5 (September 2004): 318–24. http://dx.doi.org/10.1258/rsmvasc.12.5.318.

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When an autologous vein is not available for lower extremity revascularization, prosthetic grafts are often required. However, prosthetic bypass grafts have limited patency for infrageniculate reconstruction. To potentially improve patency, a new geometric modification of the polytetrafluoroethylene (PTFE) graft, Distaflo (Impra, Tempe, AZ), has been developed for lower extremity bypass. We reviewed our early experience with the Distaflo graft in patients who required infrageniculate bypass for lower extremity ischemia when no suitable autologous saphenous vein was available. All patients were

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8

Neufang, Achim, Carolina Vargas-Gomez, Patrick Ewald, Nicolaos Vitolianos, Tolga Coskun, Nael Abu-Salim, Rainer Schmiedel, Peter von Flotow, and Savvas Savvidis. "Very distal vein bypass in patients with thromboangiitis obliterans." Vasa 46, no. 4 (June 1, 2017): 304–9. http://dx.doi.org/10.1024/0301-1526/a000624.

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Abstract. Background: Surgical revascularization for chronic critical limb ischaemia in patients with thromboangiitis obliterans (TAO) still remains controversial. Generally, besides cessation of smoking, conservative treatment supported by intravenous administration of vasoactive agents is regarded as the treatment of choice, in combination with local wound therapy or minor amputation. Patients and methods: In four male patients (42-47 years) surgical revascularization was chosen as therapy for established gangrene or non-healing ulceration after unsuccessful conservative treatment and cessat

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9

Kawashima, Masatou, Albert L. Rhoton, Necmettin Tanriover, Arthur J. Ulm, Alexandre Yasuda, and Kiyotaka Fujii. "Microsurgical anatomy of cerebral revascularization. Part I: Anterior circulation." Journal of Neurosurgery 102, no. 1 (January 2005): 116–31. http://dx.doi.org/10.3171/jns.2005.102.1.0116.

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Object. Revascularization is an important component of treatment for complex aneurysms that require parent vessel occlusion, skull base tumors that involve major vessels, and certain ischemic diseases. In this study, the authors examined the microsurgical anatomy of cerebral revascularization in the anterior circulation by demonstrating various procedures for bypass surgery. Methods. Twenty-five adult cadaveric specimens were studied, using 3 to 40 magnification, after the arteries and veins had been perfused with colored silicone. The microsurgical anatomy of cerebral revascularization in the

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10

Chantelau. "Does oral anticoagulation improve femoropedal graft patency in diabetic patients? Lessons from the Dutch BOA Study." Vasa 30, Supplement 58 (November 1, 2001): 47–49. http://dx.doi.org/10.1024/0301-1526.30.s58.47.

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Graft patency rates after arterial reconstruction benefit from aspirin treatment. The Dutch Bypass Oral anticoagulant or Aspirin (BOA) Study, a randomized controlled trial, compared the use of oral anticoagulants (e.g. phenprocoumon) versus aspirin in a large sample of patients after infrainguinal arterial bypass surgery. Graft occlusion was the primary endpoint. A total of 2650 bypasses were performed, 531 of which were femorocrural or femoropedal grafts. Of the latter, 194 (37%) were carried out in the subgroup of 700 diabetic patients (i.e. 26% of the total study population). There was no s

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11

Krasznai, AG, MGJ Snoeijs, MP Siroen, T. Sigterman, A. Korsten, FL Moll, and LH Bouwman. "Treatment of aortic graft infection by in situ reconstruction with Omniflow II biosynthetic prosthesis." Vascular 24, no. 6 (July 9, 2016): 561–66. http://dx.doi.org/10.1177/1708538115621195.

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Currently available conduits for in situ reconstruction after excision of infected aortic grafts have significant limitations. The Omniflow II vascular prosthesis is a biosynthetic graft associated with a low incidence of infection that has succesfully been used in the treatment of infected infrainguinal bypass. We report on the first use of the Omniflow II prosthesis for in situ reconstruction after aortic graft infection. A bifurcated biosynthetic bypass was created by spatulating and anastomosing two 8-mm tubular Omniflow II grafts. This bypass was used for in situ reconstruction after exci

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12

Watanabe, Go, Tamotsu Yasuda, and Shigeyuki Tomita. "A Multipurpose Arterial Graft Holder for Coronary Artery Bypass Grafting." Heart Surgery Forum 8, no. 2 (March 9, 2005): 98. http://dx.doi.org/10.1532/hsf98.2005-1001.

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A multipurpose arterial graft holder designed for use during coronary artery bypass grafting is described. This new holder is atraumatic and holds the arterial grafts and saphenous vein graft securely during anastomosis. The use of this instrument facilitates the use of multiple arterial grafts for coronary artery bypass grafting.

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13

Kaisar, Jeremy, Aaron Chen, Mathew Cheung, Elias Kfoury, Carlos F. Bechara, and Peter H. Lin. "Comparison of propaten heparin-bonded vascular graft with distal anastomotic patch versus autogenous saphenous vein graft in tibial artery bypass." Vascular 26, no. 2 (August 23, 2017): 117–25. http://dx.doi.org/10.1177/1708538117717141.

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Introduction Heparin-bonded expanded polytetrafluoroethylene grafts (Propaten, WL Gore, Flagstaff, AZ, USA) have been shown to have superior patency compared to standard prosthetic grafts in leg bypass. This study analyzed the outcomes of Propaten grafts with distal anastomotic patch versus autogenous saphenous vein grafts in tibial artery bypass. Methods A retrospective analysis of prospective collected data was performed during a recent 15-year period. Sixty-two Propaten bypass grafts with distal anastomotic patch (Propaten group) were compared with 46 saphenous vein graft (vein group). Pert

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14

Silva, Michael A., Rodolfo E. Alcedo Guardia, Mohammad Ali Aziz-Sultan, and Nirav J. Patel. "Republished: Thrombectomy for late occlusion of high flow extracranial–intracranial saphenous vein bypass graft after 27 years of patency." Journal of NeuroInterventional Surgery 10, no. 11 (April 7, 2018): e27-e27. http://dx.doi.org/10.1136/neurintsurg-2017-013670.rep.

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High flow extracranial–intracranial (EC-IC) bypass with a saphenous vein graft (SVG) has been used for more than 40 years in patients with giant aneurysms of the posterior circulation refractory to medical management, and has demonstrated high long term patency rates. We report the case of a patient treated with external carotid artery (ECA)–posterior cerebral artery SVG bypass in 1989 who presented 27 years later with paresthesias and confusion, and was found to have partial occlusion of her SVG bypass graft and a basilar occlusion. She was treated with mechanical thrombectomy of the basilar

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15

Doi, Hirosato, Ryuji Koshima, Masato Suzuki, Ken Takahashi, Hiroichi Yokoyama, and Naoya Yoshida. "Can 64-Row Computed Tomography Replace Angiography after Coronary Bypass?" Asian Cardiovascular and Thoracic Annals 16, no. 6 (December 2008): 444–49. http://dx.doi.org/10.1177/021849230801600603.

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Multi-detector (64-row) computed tomography has become an alternative to coronary angiography to diagnose graft occlusion and stenosis after coronary artery bypass. We compared the power of evaluation of multi-detector computed tomography with that of conventional coronary angiography in 60 patients who underwent coronary artery bypass with 135 grafts and 210 graft anastomoses. The diagnostic power of multi-detector computed tomography for graft occlusion was: 100% (2/2) sensitivity, 98.5% (131/133) specificity, 50% (2/4) positive predictive value, and 100% (133/133) negative predictive value;

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16

Dardik, Herbert. "Bypass graft aneurysm." Vascular 21, no. 3 (May 30, 2013): 195. http://dx.doi.org/10.1177/1708538113476025.

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Blank, Jacqueline J., Abby E. Rothstein, Cheong Jun Lee, Michael J. Malinowski, Brian D. Lewis, Timothy J. Ridolfi, and Mary F. Otterson. "Aortic Graft Infection Secondary to Iatrogenic Transcolonic Graft Malposition." Vascular and Endovascular Surgery 52, no. 5 (March 19, 2018): 386–90. http://dx.doi.org/10.1177/1538574418764037.

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Aortic graft infections are a rare but devastating complication of aortic revascularization. Often infections occur due to contamination at the time of surgery. Iatrogenic misplacement of the limbs of an aortobifemoral graft is exceedingly rare, and principles of evaluation and treatment are not well defined. We report 2 cases of aortobifemoral bypass graft malposition through the colon. Case Report: Case 1 is a 54-year-old male who underwent aortobifemoral bypass grafting for acute limb ischemia. He had previously undergone a partial sigmoid colectomy for diverticulitis. Approximately 6 month

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18

David, Carlos A., Joseph M. Zabramski, and Robert F. Spetzler. "Reversed-flow saphenous vein grafts for cerebral revascularization." Journal of Neurosurgery 87, no. 5 (November 1997): 795–97. http://dx.doi.org/10.3171/jns.1997.87.5.0795.

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✓ The authors sought to create a saphenous vein interposition graft to be used in cerebral bypass procedures that would be more physiologically appropriate than standard vein grafts and would provide a better match between the graft and recipient vessels at the anastomotic sites. The saphenous vein graft was prepared by lysing the valves with a valvulotome. The blood flow could then be reversed in the vein, allowing it to be used in either direction as a bypass graft. An illustrative case including angiograms that confirm good patency and blood flow through the reversed-flow bypass graft is pr

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19

Pooria, Ali, Afsoun Pourya, and Alireza Gheini. "Application of tissue-engineered interventions for coronary artery bypass grafts." Future Cardiology 16, no. 6 (November 2020): 675–85. http://dx.doi.org/10.2217/fca-2019-0050.

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Coronary artery bypass graft is one of the extensively conducted procedures to release occlusion in the coronary vessel. Various biological grafts are used for this purpose, superiorly, saphenous vein graft, if unavailable, other vessels in the body, with likewise characteristics are exploited for the purpose. The choice of graft is yet under discovery that could impeccably meet all the requirements. Variation in perioperative and postoperative results have given uneven clinical inferences of these conduits. Alternatively, tissue-engineering is also being applied in this area for clinical impr

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Nossek, Erez, Peter D. Costantino, David J. Chalif, Rafael A. Ortiz, Amir R. Dehdashti, and David J. Langer. "Forearm Cephalic Vein Graft for Short, “Middle”-Flow, Internal Maxillary Artery to Middle Cerebral Artery Bypass." Operative Neurosurgery 12, no. 2 (September 23, 2015): 99–105. http://dx.doi.org/10.1227/neu.0000000000001027.

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Abstract BACKGROUND The cervical carotid system has been used as a source of donor vessels for radial artery or saphenous vein grafts in cerebral bypass. Recently, internal maxillary artery to middle cerebral artery bypass has been described as an alternative, with reduction of graft length potentially correlating with improved patency. OBJECTIVE To describe our experience using the forearm cephalic vein grafts for short segment internal maxillary artery to middle cerebral artery bypasses. METHODS All vein grafts were harvested from the volar forearm between the proximal cubital fossa where th

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Jaff, Michael R., Gerald Dorros, Krishna Kumar, Gerardo Caballero, and Alfred Tector. "Endovascular Repair of an Ascending Aorta-to-Left Common Femoral Artery Graft with Aneurysmal Degeneration." Journal of Endovascular Therapy 2, no. 2 (May 1995): 189–95. http://dx.doi.org/10.1177/152660289500200213.

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Purpose: To report the use of endovascular grafting to repair degenerative aneurysmal changes in an extra-anatomic bypass graft. Methods: A 14-year-old extra-anatomic ascending aorta-to-left common femoral bypass graft (“ventral aorta”) had undergone aneurysmal degeneration, producing symptoms of progressive claudication and local abdominal swelling. The aneurysmal graft dilatation began within the thoracic cavity and extended through the entire extraperitoneal abdominal segment. The option for minimally invasive repair using a customized stent-graft device was offered to the patient as an alt

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Strickland, Ben A., Robert C. Rennert, Joshua Bakhsheshian, Sebina Bulic, Adrian J. Correa, Arun Amar, Joseph Carey, and Jonathan J. Russin. "Botulinum toxin to improve vessel graft patency in cerebral revascularization surgery: report of 3 cases." Journal of Neurosurgery 130, no. 2 (February 2019): 566–72. http://dx.doi.org/10.3171/2017.9.jns171292.

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Surgical revascularization continues to play an important role in the management of complex intracranial aneurysms and ischemic cerebrovascular disease. Graft spasm is a common complication of bypass procedures and can result in ischemia or graft thrombosis. The authors here report on the first clinical use of botulinum toxin to prevent graft spasm following extracranial-intracranial (EC-IC) bypass. This technique was used in 3 EC-IC bypass surgeries, 2 for symptomatic carotid artery occlusions and 1 for a ruptured basilar tip aneurysm. In all 3 cases, the harvested graft was treated ex vivo w

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Brennan, Jeffrey W., Michael K. Morgan, William Sorby, and Verity Grinnell. "Recurrent stenosis of common carotid—intracranial internal carotid interposition saphenous vein bypass graft caused by intimal hyperplasia and treated with endovascular stent placement." Journal of Neurosurgery 90, no. 3 (March 1999): 571–74. http://dx.doi.org/10.3171/jns.1999.90.3.0571.

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✓ Intimal hyperplasia is a well-known cause of delayed stenosis in vein bypass grafts in all types of vascular surgery. Options for treatment of stenosis in peripheral and coronary artery bypass grafts include revision surgery and the application of endovascular techniques such as balloon angioplasty and stent placement. The authors present a case of stenosis caused by intimal hyperplasia in a high-flow common carotid artery—intracranial internal carotid artery (IICA) saphenous vein interposition bypass graft that had been constructed to treat a traumatic pseudoaneurysm of the intracavernous I

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Amin-Hanjani, Sepideh, John H. Shin, Meide Zhao, Xinjian Du, and Fady T. Charbel. "Evaluation of extracranial–intracranial bypass using quantitative magnetic resonance angiography." Journal of Neurosurgery 106, no. 2 (February 2007): 291–98. http://dx.doi.org/10.3171/jns.2007.106.2.291.

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Object To date, angiography has been the primary modality for assessing graft patency following extracranial–intracranial bypass. The utility of a noninvasive and quantitative method of assessing bypass function postoperatively was evaluated using quantitative magnetic resonance (MR) angiography. Methods One hundred one cases of bypass surgery performed over a 5.5-year period at a single institution were reviewed. In 62 cases, both angiographic and quantitative MR angiographic data were available. Intraoperative flow measurements were available in 13 cases in which quantitative MR angiography

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Inoue, Takehiro, and Toshihiko Saga. "Concomitant Aortoaxillary Bypass and Coronary Artery Bypass Grafting." Asian Cardiovascular and Thoracic Annals 13, no. 3 (September 2005): 229–32. http://dx.doi.org/10.1177/021849230501300308.

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The optimal revascularization strategy for patients with subclavian and coronary artery disease has not been established. This study assessed the mid-term clinical outcome of concomitant aortoaxillary bypass and coronary artery bypass grafting in 5 patients. A ring-reinforced polytetrafluoroethylene graft was attached to the ascending aorta and led to the proximal segment of the axillary artery via the pleural cavity. Patients were followed up for 2–10 years (mean, 5.4 ± 3.4 years). Postoperative aortography and angiography demonstrated patent aortoaxillary and coronary bypass grafts in the sh

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Gwon, Jun G., Youngjin Han, Yong-Pil Cho, and Tae-Won Kwon. "Obturator bypass using a ringed polytetrafluoroethylene graft for inguinal graft infection." Vascular 28, no. 5 (May 4, 2020): 530–35. http://dx.doi.org/10.1177/1708538120922112.

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Objective Inguinal vascular graft infections are high-risk events that cannot be controlled medically but require surgical intervention. This study reviewed the long-term clinical outcomes of obturator bypass using a ringed polytetrafluoroethylene graft for inguinal graft infection. Methods A total of eight consecutive patients who underwent obturator bypass using a ringed polytetrafluoroethylene graft for inguinal prosthetic graft infection at a single medical center between January 2006 and October 2017 were retrospectively analyzed. The demographics, clinical characteristics, surgical proce

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Uçak, Hacı Ali. "The relationship between epicardial fat tissue thickness and transit time flow measurement values of coronary artery bypass grafts." Journal of Cardiovascular and Thoracic Research 12, no. 4 (November 24, 2020): 307–12. http://dx.doi.org/10.34172/jcvtr.2020.50.

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Introduction: Epicardial fat tissue, the true visceral adipose depot of the heart, has been associated with changes in both cardiac function and morphology. This study aimed to show the relationship between epicardial fat tissue (EFT) thickness and graft flow dynamics in arterial and venous grafts in coronary artery bypass graft surgery (CABG). Methods: Patients underwent transthoracic echocardiography before surgery and epicardial fat thickness were evaluated. The patients were divided into two groups as EFT value <5.5 (group 1) mm and ≥5.5 (group 2) mm. One hundred eighty-one patients wit

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Sundt, Thoralf M., and Thoralf M. Sundt. "Principles of preparation of vein bypass grafts to maximize patency." Journal of Neurosurgery 66, no. 2 (February 1987): 172–80. http://dx.doi.org/10.3171/jns.1987.66.2.0172.

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✓ Experience in cardiovascular and peripheral vascular surgery with saphenous vein bypass conduits is reviewed. It is clear that meticulous technique and graft preparation are crucial to short-term and long-term patency. The risk of early thrombosis is related to damage to the graft 's native intima, graft flow, and coagulability of the patient 's blood. Attention to atraumatic harvesting techniques and perfection of anastomoses are crucial to minimizing intimal damage. Graft inflow and outflow are fundamental principles. The use of vitamin K antagonists and platelet inhibitors may improve gra

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Üstün, Mehmet Erkan, Mustafa Büyükmumcu, Cagatay Han Ulku, Aynur Emine Cicekcibasi, and Hamdi Arbag. "Radial Artery Graft for Bypass of the Maxillary to Proximal Middle Cerebral Artery: An Anatomic and Technical Study." Neurosurgery 54, no. 3 (March 1, 2004): 667–71. http://dx.doi.org/10.1227/01.neu.0000109533.72250.e0.

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Abstract OBJECTIVE In this study, we aimed to investigate the use of a radial artery graft for bypass of the maxillary artery (MA) to the proximal middle cerebral artery (MCA) as an alternative to superficial temporal artery-to-MCA anastomosis or extracranial carotid-to-MCA bypass using long grafts. METHODS Five adult cadavers were used bilaterally. After a frontotemporal craniotomy and a zygomatic arch osteotomy, the MA was found easily 1 to 2 cm inferior to the infratemporal crest. A hole was created with a 4-mm-tip drill in the sphenoid bone 2 to 3 mm lateral to the foramen rotundum extradu

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Kim, Louis J., Farzana Tariq, and Laligam N. Sekhar. "Pediatric bypasses for aneurysms and skull base tumors: short- and long-term outcomes." Journal of Neurosurgery: Pediatrics 11, no. 5 (May 2013): 533–42. http://dx.doi.org/10.3171/2013.1.peds12444.

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Object Cerebral bypass is a useful microsurgical technique for the treatment of unclippable aneurysms and invasive skull base tumors. The authors present the largest reported series of cerebrovascular bypasses in the pediatric population. They describe the short- and long-term clinical and radiographic outcomes of extracranial-intracranial and local bypasses performed for complex cerebral aneurysms and recurrent, invasive, and malignant skull base tumors in pediatric patients. Methods A consecutive series of 17 pediatric patients who underwent revascularization were analyzed retrospectively fo

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Sechtem, U., Sabine Langkamp, M. Jungehülsing, H. H. Hilger, H. Schicha, and P. Theissen. "Nichtinvasive Beurteilung aortokoronarer Venenbrücken mit Kernspintomographie." Nuklearmedizin 28, no. 06 (1989): 234–42. http://dx.doi.org/10.1055/s-0038-1629496.

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Fortyfour patients with recent cardiac catheterization because of recurrent chest pain after coronary artery bypass surgery were studied by magnetic resonance imaging to evaluate graft patency. To assess the efficacy of this non-invasive method 92 coronary artery bypass grafts were examined by the spin-echo technique. ECG-gated transversal sections were acquired between the diaphragm and the aortic arch. The specificity of magnetic resonance imaging was 83% (48/58) for patent grafts. However, the sensitivity in the detection of occluded bypasses was only 56% (19/34). Despite the good specifici

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Chandra, Ankur, and Niren Angle. "Occluded Infrainguinal Bypass Graft: Potential Source of Limb-Threatening Emboli." Vascular 14, no. 3 (May 1, 2006): 156–60. http://dx.doi.org/10.2310/6670.2006.00029.

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Surgical bypass represents one of the chief treatment modalities for peripheral arterial occlusive disease. Despite improving techniques, graft occlusion accounts for the majority of these bypass failures. Once occluded, however, these grafts are thought to rarely pose a threat for future ischemic events. This report describes two patients with previously thrombosed grafts who subsequently presented with limb-threatening ischemia owing to peripheral embolization from the graft. Two patients with occluded grafts presented with ipsilateral limb-threatening acute ischemia. Both of these patients

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Zhang, Y. Jonathan, Daniel L. Barrow, and Arthur L. Day. "Extracranial-Intracranial Vein Graft Bypass for Giant Intracranial Aneurysm Surgery for Pediatric Patients: Two Technical Case Reports." Neurosurgery 50, no. 3 (March 1, 2002): 663–68. http://dx.doi.org/10.1097/00006123-200203000-00048.

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Abstract OBJECTIVE AND IMPORTANCE: Herein we describe two cases of extracranial-intracranial vein graft bypasses for the treatment of giant intracranial aneurysms in prepubertal pediatric patients. One patient is, we think, the youngest patient reported in the literature to have been successfully treated in such a manner, with a good long-term outcome. Such grafts seem to enlarge longitudinally during the growth spurt, making such techniques reasonable long-term therapeutic options for the management of complex intracranial aneurysms in pediatric patients. CLINICAL PRESENTATION: Patient 1, a 1

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Gunawardena, Manuri, Jeffrey M. Rogers, Marcus A. Stoodley, and Michael K. Morgan. "Revascularization surgery for symptomatic non-moyamoya intracranial arterial stenosis or occlusion." Journal of Neurosurgery 132, no. 2 (February 2020): 415–20. http://dx.doi.org/10.3171/2018.9.jns181075.

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OBJECTIVEPrevious trials rejected a role of extracranial-to-intracranial bypass surgery for managing symptomatic atheromatous disease. However, hemodynamic insufficiency may still be a rationale for surgery, provided the bypass can be performed with low morbidity and patency is robust.METHODSConsecutive patients undergoing bypass surgery for symptomatic non-moyamoya intracranial arterial stenosis or occlusion were retrospectively identified. The clinical course and surgical outcomes of the cohort were evaluated at 6 weeks, 6 months, and annually thereafter.RESULTSFrom 1992 to 2017, 112 patient

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Lucia, Cojocaru, Avram Anamaria, Chioncel Valentin, Rusali Andrei, and Parepa Irinel. "Atherosclerotic Plaque Regression: Cause of Bypass Graft Oclussion." ARS Medica Tomitana 24, no. 1 (February 1, 2018): 20–25. http://dx.doi.org/10.2478/arsm-2018-0005.

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Abstract We present a case of a patient who had coronary artery bypass grafting during surgery for severe aortic stenosis. Seven months after surgery the arterial graft was occluded following native coronary artery disease regression. The heart team must consider this possibility when assessing the requirement for bypass grafts in a borderline lesion.

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JI, Q., Y. Q. MEI, X. S. WANG, and D. W. WUSHA. "WALL SHEAR AND CIRCUMFERENTIAL STRESS CHANGES IN A PORCINE DOUBLE-LAYER VEIN GRAFT." Journal of Mechanics in Medicine and Biology 11, no. 05 (December 2011): 1059–70. http://dx.doi.org/10.1142/s0219519411004320.

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This study aimed to evaluate short-term changes of wall shear stress and circumferential stress in a self-designed double-layer vein graft in a porcine vein graft model. In this study, left and right hind femoral arteries of 40 white pigs were randomly divided into an experimental group (double-layer vein graft) and a control group (single-layer vein graft). At one hour and then at one, two and four weeks after venous bypass grafting, sets of ten animals underwent Doppler-ultrasonic and electromagnetic flowmeter examinations to calculate wall shear stress in middle sections of the vein grafts.

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NAKATANI, SUSUMU, Hajime HIROSE, Kohji OZAKI, Yoshikazu IWATA, and Heitaro MOGAMI. "Surgical Technique of Long Saphenous Vein Bypass Graft for Cerebral Revascularization." Surgery for Cerebral Stroke 16, no. 1 (1988): 1–7. http://dx.doi.org/10.2335/scs1987.16.1_1.

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Kocaeli, Hasan, Norberto Andaluz, Ondrej Choutka, and Mario Zuccarello. "Use of radial artery grafts in extracranial–intracranial revascularization procedures." Neurosurgical Focus 24, no. 2 (February 2008): E5. http://dx.doi.org/10.3171/foc/2008/24/2/e5.

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✓Cerebral revascularization procedures have been used in the clinical management of actual or threatened cerebral ischemic states and unclippable cerebral aneurysms. An alternative to a low-flow bypass graft (for example, with the superficial temporal artery) is the use of high-flow grafts created using the saphenous vein (SV) or radial artery (RA). These high-flow grafts are particularly useful when otherwise adequate collateral flow is insufficient to enable sacrifice of the parent vessel without the risk of cerebral ischemia. In their clinical series of 13 patients who underwent high-flow b

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Magnetti, Thalhammer, Hechelhammer, Husmann, Pfammatter, and Amann-Vesti. "Spontaneous pseudoaneurysm of a femoro-popliteal Omniflow® II graft treated with a stentgraft." Vasa 39, no. 2 (May 1, 2010): 196–98. http://dx.doi.org/10.1024/0301-1526/a000028.

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We report the case of a symptomatic spontaneous leak of a biosynthetic graft (Omniflow® II) treated endovascularly with a stentgraft. Potential degeneration of biosynthetic grafts with aneurysm formation is a well known problem with a reported incidence of up to 7 %. Implantation of a stentgraft for treatment of a pseudoaneurysm is a valuable treatment option in native arteries; however its use in Omniflow® II bypass grafts has not been reported so far. Surveillance of peripheral bypass grafts with duplex ultrasound may be helpful to detect morphological alterations of the graft.

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Corso, Paul G. "Cardiopulmonary Bypass and Coronary Artery Bypass Graft." Chest 100, no. 2 (August 1991): 298–99. http://dx.doi.org/10.1378/chest.100.2.298.

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Belkin, Michael. "Secondary Bypass after Infrainguinal Bypass Graft Failure." Seminars in Vascular Surgery 22, no. 4 (December 2009): 234–39. http://dx.doi.org/10.1053/j.semvascsurg.2009.10.005.

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Gokalp, Orhan, Ismail Yurekli, Levent Yilik, Serdar Bayrak, Haydar Yasa, Aykut Sahin, Mert Kestelli, Ufuk Yetkin, and Ali Gurbuz. "Crossover Femoropopliteal Bypass: Single Graft or Double Grafts." Annals of Vascular Surgery 26, no. 5 (July 2012): 707–14. http://dx.doi.org/10.1016/j.avsg.2011.11.011.

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Pfeiffer, Thomas, Kever, Grabitz, Reiher, Müller, Hildebrand, and Sandmann. "Das Einheilungsverhalten schmalkalibriger Gefäßprothesen aus Polyester mit plasminbehandelter Fibrinbeschichtung – eine experimentelle Untersuchung." Vasa 29, no. 2 (May 1, 2000): 117–24. http://dx.doi.org/10.1024/0301-1526.29.2.117.

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Background: The autogenous vein represents the graft material of choice in crural and pedal bypass surgery. Because of the numerous problems concerning the graft harvesting and the quality of autogenous vein material an equally good allogenous graft is urgently needed. Up to the present times no such graft material has been able to achieve the success of vein grafts. Methods: We investigated the knitted polyester prosthesis Terumo PF-V (Terumo Comp., Japan), diameter 5 mm with outer reinforce, which is characterized by a new coating of plasmin-treated fibrin. Grafts were implanted as bypass in

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Stoodley, Marcus, Jeffrey Rogers, Manuri Gunawardena, and Michael Morgan. "008 Revascularisation surgery for non-moyamoya symptomatic intracranial stenosis and occlusion." Journal of Neurology, Neurosurgery & Psychiatry 89, no. 6 (May 24, 2018): A4.3—A5. http://dx.doi.org/10.1136/jnnp-2018-anzan.8.

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IntroductionPrevious trials rejected a role of extracranial-to-intracranial bypass surgery for managing symptomatic atheromatous disease. However, haemodynamic insufficiency may still be a rationale for surgery, provided it can be performed with low morbidity and that patency is robust.MethodsConsecutive patients undergoing bypass surgery for non-moyamoya symptomatic intracranial arterial stenosis and occlusion were retrospectively identified. The clinical course and surgical outcomes of the cohort were evaluated at six-weeks, six-months, and annually thereafter.ResultsBetween 1992 and 2017, 1

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FitzGibbon, Gerald M., Alan J. Leach, Wilbert J. Keon, Jeffrey R. Burton, and Henryk P. Kafka. "Coronary bypass graft fate." Journal of Thoracic and Cardiovascular Surgery 91, no. 5 (May 1986): 773–78. http://dx.doi.org/10.1016/s0022-5223(19)36000-3.

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Carpenter, Jeffrey P., Micheal D. Lieberman, Richard Shlansky-Goldberg, Stuart E. Braverman, Micheal Soulen, George A. Holland, Richard A. Baum, et al. "Infrageniculate bypass graft entrapment." Journal of Vascular Surgery 18, no. 1 (July 1993): 81–89. http://dx.doi.org/10.1067/mva.1993.41754.

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Mendes, Aysha. "Coronary artery bypass graft." British Journal of Cardiac Nursing 10, no. 4 (April 2, 2015): 205. http://dx.doi.org/10.12968/bjca.2015.10.4.205.

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Usami, Satoshi, Kentaro Tanaka, Alisa Ohkubo, and Mutsumi Okazaki. "Vascularized Nerve Bypass Graft." Plastic and Reconstructive Surgery - Global Open 4, no. 4 (April 2016): e686. http://dx.doi.org/10.1097/gox.0000000000000673.

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Jie, Zhang Ming, Liu Dan Dan, Wan Song, Chen Ming Chit, Lee Chuen Neng, Jean Marie De Smet, and Carlos-A. Mestres. "Coronary Artery Bypass Graft." Asian Cardiovascular and Thoracic Annals 4, no. 1 (March 1996): 63. http://dx.doi.org/10.1177/021849239600400119.

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Hu, Shengshou, Zhe Zheng, Xin Yuan, Yun Wang, Sharon-Lise T. Normand, Joseph S. Ross, and Harlan M. Krumholz. "Coronary Artery Bypass Graft." Circulation: Cardiovascular Quality and Outcomes 5, no. 2 (March 2012): 214–21. http://dx.doi.org/10.1161/circoutcomes.111.962365.

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