• vessel
  • Both occlusion balloons and filters have the potential to inflict damage to the vessel wall during deployment, use, or retrieval. (ahajournals.org)
  • Proliferation of smooth muscle cells (SMCs) in the vessel wall is an important event in the formation of vascular lesions in atherosclerosis, after vascular reconstruction or in response to other vascular injury. (google.com)
  • After puncturing the vessel with a needle and confirmation of arterial access a wire is advanced, the needle removed and a vascular sheath is introduced. (wikipedia.org)
  • REBOA, also called Aortic Balloon Occlusion (ABO), is a powerful endovascular tool that inflates an intra-aortic balloon occluding the lumen of the vessel and decreased or completely prevents blood flow to the more distal parts. (wikipedia.org)
  • Vein grafting is a surgical technique in which a vein(s) is removed and grafted to another blood vessel to bypass a blockage, repair a blood vessel or connect blood vessels of a tissue or digit graft to recipient blood vessels. (wikipedia.org)
  • Free vein grafts are also used frequently during reconstructive surgery in situations where recipient vessels are damaged or are otherwise inadequate and require bridging vein grafts to connect graft and recipient blood vessels or to restore vessel length in situations where recipient vessels have been surgically debrided. (wikipedia.org)
  • However, over time, the body's inflammatory immune response (described below in the "Causes" section) reacts to the stent-graft via smooth muscle proliferation, etc., which literally pushes the stent-graft back, narrowing the vessel and losing at least a percentage of what was previously gained, or late loss. (wikipedia.org)
  • Vessel occlusion increases vascular resistance and therefore leads to hypertension. (wikipedia.org)
  • A small vessel diameter, the presence of posterior calcification, occlusion, hematoma, or a bypass origin[clarification needed] may all make access to the vascular system too difficult. (wikipedia.org)
  • At the conclusion of the procedure, the balloons, wires and catheters are removed and the vessel puncture site is treated either with direct pressure or a vascular closure device. (wikipedia.org)
  • This vessel becomes a graft, with one end attaching to a blood source above and the other end below the blocked area, creating a "conduit" channel or new blood flow connection across the heart. (wikipedia.org)
  • stent
  • A standardized multi-branched thoracoabdominal stent-graft for endovascular aneurysm repair. (biomedsearch.com)
  • Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA) for hemorrhage control, angioembolization and stent grafts are highly established tools used for both arterial and venous hemorrhage in both traumatic and non-traumatic patients. (wikipedia.org)
  • It measures either the percent (relative) or absolute change in minimum luminal diameter (MLD) over the months following a vascular procedure, such as the implantation of a stent-graft. (wikipedia.org)
  • For instance, the implantation of a stent-graft will first provide an acute gain in lumen diameter. (wikipedia.org)
  • The net gain of lumen diameter is the difference between acute gain and late loss, and is a measure of stent-graft effectiveness. (wikipedia.org)
  • Aorta
  • The following conditions will always exclude patients for treatment: Severe aortic valve insufficiency Aortic dissection Severe aortoiliac occlusive disease and bilateral carotid stenosis The following conditions make IABP therapy inadvisable except under pressing circumstances: Prosthetic vascular grafts in the aorta Aortic aneurysm Aortofemoral grafts Sepsis Since the device is placed in the femoral artery and aorta it could provoke ischemia, and compartment syndrome. (wikipedia.org)
  • distal
  • Dogma in vascular bypass technique says to obtain proximal and distal control. (wikipedia.org)
  • 4-7 Distal protection devices 8-17 have been developed, intended to trap plaque-derived emboli during interventions and prevent embolization into the distal vascular bed. (ahajournals.org)
  • aortic
  • Used when patient cannot tolerate a more invasive and higher risk aorto-bifem, or when removing an infected aortic graft such as an EVAR device. (wikipedia.org)
  • proximal
  • In a hemodynamically unstable bleeding patient, traditional treatment is laparotomy with abdominal packing, but an EVTM team might simultaneously gain vascular access and perform REBOA for proximal control or embolization as a part in definitive treatment. (wikipedia.org)
  • ischemia
  • 19 However, rigorous particulate analysis was not performed in that trial, and it is not known whether there may be benefits of an occlusion balloon system (eg, more complete particulate retrieval and prevention of soluble mediators released during intervention) that are being offset by requisite procedural ischemia provoked by occlusion. (ahajournals.org)
  • Insufficiency
  • Presyncope (sensation that one is about to faint) Syncope (fainting) Neurologic deficits Blood pressure differential between the arms severe memory problems hands showing circulation problems (hands can have blotchy patches of red and white) (associated with other stigmata of vascular disease (e.g. vascular insufficiency ulcers of the Fingers). (wikipedia.org)
  • hemodialysis
  • A vascular bypass is often created to serve as an access point to the circulatory system for hemodialysis. (wikipedia.org)
  • In hemodialysis, vascular access is used to remove the patient's blood so that it can be filtered through the dialyzer. (wikipedia.org)
  • The type of vascular access created for patients on hemodialysis is influenced by factors such as the expected time course of a patient's renal failure and the condition of his or her vasculature. (wikipedia.org)
  • acute
  • This supports the notion that unless soluble mediators play an important role in adverse acute clinical events after stenting, the clinical efficacy of filtering devices may be equal to that of occlusion devices. (ahajournals.org)
  • patients
  • METHODS: This investigation was a retrospective study using a national database on vascular surgical patients at a single medical institution. (forskningsdatabasen.dk)
  • The drug was discovered by S. Al-Mahmood, in Paris, France and then developed to Phase III in progressive corneal neovascularisation in patients suffering from infectious keratitis and on the waiting list for Corneal Graft replacement (an EU Orphan Drug designation). (wikipedia.org)
  • Patients may have multiple accesses, usually because an AV fistula or graft is maturing and a catheter is still being used. (wikipedia.org)
  • Late loss is one metric that is useful in determining the effectiveness of vascular interventions in clinical trials for either an individual patient or a group of patients. (wikipedia.org)
  • failure
  • The effect of graft configuration on 30-day failure of infrapopliteal " by Bao-Ngoc Nguyen, Richard F. Neville et al. (gwu.edu)
  • veins
  • Vascular surgeons treat and manage disorders in your veins, arteries and your lymphatic system to ensure blood circulation in your heart and in brain is the best it can be. (vitals.com)
  • embolization
  • 18 By virtue of complete occlusion and poststenting complete graft evacuation, the PercuSurge device theoretically prevents embolization of all particles, no matter how small, as well as of soluble mediators released during stenting. (ahajournals.org)
  • It has not been established that the efficacy of occlusion systems can be matched by newer approaches to embolic protection such as filtering devices, which do not occlude anterograde flow but rather strain the effluent so as to prevent particulate embolization. (ahajournals.org)
  • prevention
  • In April 2007, the EMA's Committee for Orphan Medicinal Products (COMP) granted Gene Signal orphan designation for aganirsen for the prevention of corneal graft rejection associated with excessive neovascularisation of the host cornea (EMEA/COMP/108186/2007). (wikipedia.org)