Access patency. Medical search. Frequent questions

At 6 months in AVeVA target lesion primary patency (TLPP) was 70.3% (proportional analysis). (bd.com)
In June, Gore released results from a clinical study of its Viabahn endoprosthesis in AV access graft outflow interventions, touting a 50% increase over percutaneous transluminal angioplasty alone in target lesion primary patency at 6 months. (massdevice.com)
Data from the study also indicated a 47% improvement in target lesion primary patency and a 48% improvement in circuit primary patency when compared against PTA alone at 6 months. (massdevice.com)
In elbow placements, data indicated a 72% target lesion primary patency at 6 months and 83% access secondary patency at 24 months. (massdevice.com)

The HeRO Graft is a hemodialysis access graft for patients who are failing fistulas or grafts or are catheter-dependent due to the blockage of veins leading to the heart. (merit.com)
HeRO Graft (Hemodialysis Reliable Outflow) is the ONLY fully subcutaneous AV access solution clinically proven to maintain long-term access for hemodialysis patients with central venous stenosis . (merit.com)
In patients who have arteriovenous grafts (AVGs), complications such as thrombosis, hemorrhaging, and infection are common, resulting in lower graft patency. (biomedcentral.com)
Therefore, in our hospital, to improve graft patency, cases requiring HD immediately after AVG surgery (vascular access occlusion) undergo placement of a tunneled (cuffed) permanent catheter in the internal jugular vein at the time of AVG creation to eliminate preemptive interventions in grafts at risk for thrombosis, hematoma, and infection. (biomedcentral.com)
In conclusion, while the duration between AVG creation and its first use on HD has been prolonged, graft patency has been good. (biomedcentral.com)
The AVflo is the first vascular access graft to apply the many beneficial properties of electrospun nanofabric. (medgadget.com)
Whether facilitating lower extremity revascularization or providing vascular access, the versatile GORE® PROPATEN® Vascular Graft is purposefully designed to improve outcomes and reduce reinterventions. (goremedical.com)
Can ultrasound surveillance of a dialysis patient's arteriovenous graft (AVG) provide better long-term access patency over simple clinical monitoring? (medscape.com)
Prospective, Multicenter Clinical Study of the Covera Vascular Covered Stent in the Treatment of Stenosis at the Graft-Vein Anastomosis of Dysfunctional Hemodialysis Access Grafts. (bd.com)
W.L. Gore & Associates yesterday released 1-year data from a Japanese study of its Viabahn stent graft, touting a nearly 90% primary patency rate at 12 months. (massdevice.com)
Median time to target lesion reintervention or graft abandonment with the Viabahn was reportedly 2 times that of PTA alone, and placement of the Viabahn led to 27% fewer interventions at the target lesion and in the dialysis access circuit over 2-years, when compared to PTA. (massdevice.com)
The year-long study by the Dutch medtech showed 0% infections with the aXess biodegradable haemodialysis access graft. (medicaldevice-network.com)
Xeltis' aXess vascular graft is made of biodegradable polymer, which dissolves over time creating a new, long-term living vessel for haemodialysis vascular access. (medicaldevice-network.com)
The Netherlands-based medtech Xeltis has presented trial results for its aXess haemodialysis access graft showing 0% infection rates at 12 months. (medicaldevice-network.com)
The vascular access graft subsection of the market is forecasted to be worth $633.6m in the same period. (medicaldevice-network.com)
The graft patency was defined as any flow through both the graft and the native vessel. (medicaldevice-network.com)
Xeltis is also conducting a larger single-arm, non-randomised pivotal trial (NCT03022708) evaluating the aXess haemodialysis vascular access graft. (medicaldevice-network.com)
Factors determining late patency of aortobifemoral bypass graft]. (qxmd.com)

The Covera™ Vascular Covered Stent builds upon proven technologies from the category leader in AV access. (bd.com)
An intraluminal stent for maintaining patency in body passages subject to invasive tissue growth includes a cylindrical wall having radial passages therethrough. (justia.com)
The present invention relates generally to apparatus and methods for maintaining patency in body passages and, more particularly, to the construction and use of an intraluminal stent having the ability to periodically disrupt invasive tissue growth. (justia.com)

The effect of supine and lateral sleeping positions on nasal patency was investigated using acoustic rhinometry in 11 healthy newborns. (bmj.com)
However, the subjects experienced an increase in self-rated mild irritation symptoms, and a mild decrease in nasal patency after both the particle-laden and the particle-free HVO exposure. (lu.se)

Adding access blood flow surveillance to clinical monitoring reduces thrombosis rates and costs, and improves fistula patency in the short term: a controlled cohort study. (univr.it)
The primary outcome measure will be primary fistula patency at week 10. (uea.ac.uk)
secondary fistula patency rate and patient acceptability. (uea.ac.uk)

Access-specific (eg, stenosis/thrombosis), patient-specific (including health-related quality of life) and safety secondary outcomes will be evaluated. (dundee.ac.uk)
METHODS: We conducted a 5-year controlled cohort study to evaluate whether adding Qa surveillance to unsystematic clinical monitoring (combined with elective stenosis repair) reduces thrombosis and access loss rates, and costs in mature AVFs. (univr.it)
CONCLUSIONS: Our controlled cohort study shows that adding Qa surveillance to monitoring in mature AVFs is associated with a better detection and elective treatment of stenosis, and lower thrombosis rates and access-related costs, although the cumulative access patency was only extended in the first 3 years after fistula maturation. (univr.it)
Purpose: Studies on ultrasound-accelerated, catheter-directed thrombolysis of acute deep vein thrombosis emphasize good patency rates and low complication rates. (maastrichtuniversity.nl)
Conclusion: Although ultrasound-accelerated, catheter-directed thrombolysis is feasible with good patency rates, further prospective randomized trials are necessary to evaluate the value of thrombus removal in iliofemoral deep vein thrombosis in comparison to conservative treatment. (maastrichtuniversity.nl)
Catheter-associated thrombosis is the most common noninfectious complication of implantable venous access devices and can cause superior vena cava syndrome. (cmaj.ca)

Smoking and the patency of lower extremity bypass grafts: A meta-analysis. (canada.ca)

She needed to maintain vein patency with repeated percutaneous venous angioplasty (PTA). (biomedcentral.com)
Presented yesterday as a late-breaking clinical trial at EuroPCR 2022 and published simultaneously in JACC: Cardiovascular Interventions , the DISCO RADIAL study randomized 1,307 patients with clinical indications for a percutaneous coronary procedure using a 6-Fr Slender sheath (Terumo Europe) to conventional radial or distal radial access. (tctmd.com)

In the Kaplan-Meier analysis, adding Qa surveillance only extended short-term cumulative patency (P = 0.037 in the Breslow test). (univr.it)

Arteriovenous fistulae (AVF) are the 'gold standard' vascular access for haemodialysis. (dundee.ac.uk)

2021. Effects of pair housing on patency of jugular catheters in rats (Rattus norvegicus). (awionline.org)
Vascular Access Supplies are medical devices and equipment, such as IV catheters, syringes, and saline flush. (alimed.com)
The Instech PinPort provides fast, aseptic access to externalized rodent catheters or tubing for dosing or blood sampling. (harvardapparatus.com)

Initial Experience and Outcome of a New Hemodialysis Access Device for Catheter-Dependent Patients.Howard E. Katzman, Robert B. McLafferty, John R. Ross, Marc H. Glickman, Eric K. Peden and Jeffrey H. Lawson. (merit.com)
The primary outcomes were primary assisted and secondary patency, and the secondary outcome was dialysis access abandonment. (bvsalud.org)
The Anaesthesia Choice for Creation of Arteriovenous Fistula (ACCess) study is a multicentre, observer-blinded RCT comparing primary radiocephalic/brachiocephalic AVF created under regional versus LA. The primary outcome is primary unassisted AVF patency at 1 year. (dundee.ac.uk)
Immediate access to suitable equipment, drugs and staff for emergency treatment must be ensured because, rare cases of serious reactions, at times with a lethal outcome, have been reported after the use of local anaesthetics, even without a case history of individual hypersensitivity. (janusinfo.se)

Generally, the preferred route of vascular access in chronic kidney disease patients is an arteriovenous fistula (AVF) rather than grafts. (biomedcentral.com)
Serial platelet deposition, surface topography, and patency were evaluated in control (N = 28) and endothelial cell - seeded (N = 28) small-diameter (4 mm inner diameter) USCI Dacron grafts implanted in the carotid and femoral arteries of dogs. (wustl.edu)

Long-term patency of these stents is unknown. (mssm.edu)
The use of intraluminal stents to maintain patency in body passages subject to occlusion by invasive tumor growth has been proposed. (justia.com)
The construction and use of stents which may be used to maintain patency in body passages subject to invasive tumor growth are described in U.S. Pat. (justia.com)

Higher primary and secondary patency, and higher limb salvage for below-knee bypass compared to standard ePTFE from 1-3 years. (goremedical.com)

Respondents also told us they are more likely to dilute a medication that will be administered through a peripheral venous access site rather than a central venous access device. (ismp.org)
He had an implantable venous access device in the right side of his chest that had been implanted for chemotherapy administration, frequent blood work and weekly hydration. (cmaj.ca)
Venous access can be done with a peripheral intravenous device and a central venous access device. (registerednursing.org)

From 2016 to 2021, 6951 patients had undergone 16,190 dialysis access procedures . (bvsalud.org)

We use a customized, thin-walled, stainless steel needle (14-gauge, 16 cm) with an echogenic tip (Popper and Sons, Inc. New Hyde Park, NY) to access the vein. (vin.com)
For traumatologists, intensivists, vascular surgeons, interventional radiologists, and cardiologists, the AIS and the pubic tubercle provide a relatively constant set of landmarks by which to gauge the course of the femoral artery or vein when central vascular access is required. (medscape.com)

The patients underwent placement of a tunneled permanent catheter for temporary vascular access in AVG creation. (biomedcentral.com)
Once edema in the access arm had completely improved, the first cannulation and then catheter removal were performed. (biomedcentral.com)
We performed a retrospective analysis of the placement of a tunneled permanent catheter as temporary vascular access in AVG creation for long-term patency. (biomedcentral.com)
Therefore, we analyzed quality of life besides technical success and patency in our patients after ultrasound-accelerated, catheter-directed thrombolysis. (maastrichtuniversity.nl)
After catheter placement is complete and patency is well established, the animal is rolled back into sternal recumbancy. (vin.com)
Only 20% of UK centres achieve the recommended 80% target for achieving dialysis of the prevalent dialysis population via permanent access (as opposed to a central venous catheter). (uea.ac.uk)

AVF aneurysmorrhaphy was associated with improved primary assisted and secondary patency and decreased abandonment of dialysis access. (bvsalud.org)
Overall weighted average primary patency is based on data from 14 peer-reviewed publications meeting pre-determined inclusion criteria. (goremedical.com)
0022). Freedom from primary safety events was defined as freedom from an adverse event involving the access circuit resulting in additional intervention, surgery, hospitalization, or death. (bd.com)
Eighty-eight percent is an extremely high primary patency for these long complex lesions with an average length of 22 cm, especially given the scrutiny of the study design: a prospective, multicenter IDE clinical study that was core lab adjudicated and reviewed by the Japanese regulatory authority. (massdevice.com)
Primary patency in all lesions was reported to be 88% at 12 months, with lesions less than or equal to 20cm reporting a 93% primary patency. (massdevice.com)
The company reported that treatment with the Viabahn resulted in significantly better outcomes when compared against PTA alone for treating challenging AV access cases, both in terms of primary patency and number of interventions during the study period. (massdevice.com)
The 20 patients demonstrated 100% secondary patency and 78% primary assisted patency at 12 months. (medicaldevice-network.com)
This data was similar to the six-month results showing 80% primary patency, 95% primary assisted patency, and 100% secondary patency. (medicaldevice-network.com)

Accessed May 2, 2022. (canada.ca)

TLPP defined as the interval following the index intervention until the next clinically-driven reintervention at or adjacent to the original treatment site or until the extremity was abandoned for permanent access. (bd.com)
Thus, it would be desirable to provide apparatus and methods which do not require major surgical intervention and which are able to maintain patency in the body passage for a longer period of time, preferably indefinitely. (justia.com)

The Gore Japan IDE clinical study has once again proven that the Viabahn device effectively covers and seals off diseased tissue, enabling high patencies regardless of lesion length. (massdevice.com)
Immediate sheath removal, use of thin needle, checking the patency of the artery and short time compression post the procedure have proven to reduce the occurrence of RAO. (hpathy.com)

Once the airway is stabilized, obtain intravenous access for initiation of antibiotics. (medscape.com)
These tools help maintain airway patency, provide ventilation support, and facilitate effective chest compressions. (alimed.com)

Coronary catheterization can be done by gaining access to the coronary artery either through the radial artery or femoral artery. (hpathy.com)

While the radial artery is the first choice for vascular access owing to its safety-and is endorsed by both the US and European clinical guidelines-it's not without some risks, he said. (tctmd.com)

Despite the continuation of regular PTAs (every 3 months), her inadequate HD blood flow due to severe stenosis did not improve, so an alternative route of vascular access was considered. (biomedcentral.com)
BACKGROUND: Access blood flow (Qa) measurement is the recommended method for fistula (AVF) surveillance for stenosis, but whether it may be beneficial and cost-effective is controversial. (univr.it)
The basic premise is that when a stenosis is present, you will notice an increase in intragraft pressure and a decrease in access blood flow . (medscape.com)

However, individual factors such as patient comorbidities, AVF anatomy , remaining dialysis access options, and patient preference should be considered when planning the surgical approach. (bvsalud.org)
The side of a client's mastectomy, paralysis and a dialysis access device are not used. (registerednursing.org)

While we are currently investigating arterial sites that can be consistently, percutaneously accessed for blood gas sampling, we have run some descriptive statistics on the samples we've collected centrally and from peripheral sites. (vin.com)
Given the low risk of RAO with distal radial access, though, this technique could be a "valid alternative," although physicians must balance its benefits against its more demanding arterial puncture, they say. (tctmd.com)

That's one reason 2019 Kidney Disease Outcomes Quality Initiative (KDOQI) guidelines 5 emphasize the need for more individualized approach to access modality selection. (goremedical.com)

Offer an individualized approach to access creation for patients at risk of fistula maturation challenges. (goremedical.com)
Usefulness of assisted procedures for arteriovenous fistula maturation without compromising access patency. (bvsalud.org)

He/she cleans up after work is completed in common areas, monitors halls and common areas to assure equipment is in its proper place and cleans III's Only may, under the direct supervision of a Registered Professional Nurse monitor (not initiate) Blood product administration, via peripheral routes only, initiate Peripheral Intravenous Therapy, administer pre-medicated IV fluids, and flush intermittent peripheral venous access devices with normal saline solutions to maintain patency. (collegerecruiter.com)
In brief, after applying the air-filled compression device and removing the sheath, hemostatic pressure was set to a level just enough to maintain hemostasis without harming radial artery patency as assessed by the reverse Barbeau test. (tctmd.com)

In some of these incidents, the implicated facility did not have written infection control policies and procedures for patient protection or regular access to infection prevention expertise. (cdc.gov)
This plan does not replace the need for an outpatient oncology facility to have regular access to an individual with training in infection prevention and for that individual to perform on-site evaluation and to directly observe and interact regularly with staff. (cdc.gov)

Here, we present four conventional HD patients who had vascular access occlusion and required HD immediately after AVG surgery. (biomedcentral.com)
Although additional cases are required to confirm the efficacy of this approach, this finding enables the dialysis community to consider the initiation of AVG use immediately in cases of vascular access occlusion. (biomedcentral.com)
PARIS, France-When it comes to reducing the risk of radial artery occlusion (RAO), there is no significant advantage to using the relatively novel distal radial approach over conventional radial access, according to results of a new randomized trial. (tctmd.com)
Distal radial access-where the radial artery is punctured distal to the superficial palmar arch-has emerged as an alternative to reduce the risk of occlusion. (tctmd.com)

Links to the full text for publications that appear in open access journals or are published on the AWI website are provided under the abstract. (awionline.org)

In the RATATOUILLE study, also published yesterday in JACC: Cardiovascular Interventions , investigators showed that use of distal radial access was safe, reporting that it wasn't associated in any functional hand impairment in 313 patients who underwent detailed testing after undergoing distal radial access PCI/angiography. (tctmd.com)

Although it wasn't superior to conventional radial access, distal radial was safe and might be a useful option in select cases. (tctmd.com)
With distal radial access, hemostasis was achieved according to hospital practice. (tctmd.com)
At discharge, the rate of RAO was 0.91% for those randomized to conventional radial access and 0.31% among those treated with distal radial access ( P = 0.29). (tctmd.com)
Crossover was higher in the distal radial access arm-7.4% of operators switched to the conventional radial approach-and this highlights the technical demands of the procedure, even amongst this group of experienced radial operators, said Aminian. (tctmd.com)

Likewise, patients with cancer often require the placement of indwelling intravascular access devices or undergo surgical procedures that increase their risk for infectious complications. (cdc.gov)

In this study, we aim to compare long-term patency of CCD versus HG. (mssm.edu)
Conclusion: CCD is associated with superior long-term patency than HG but with a trend toward higher adverse events. (mssm.edu)
It dissolves over time and creates a new, long-term living vessel for haemodialysis vascular access. (medicaldevice-network.com)
Factors Affecting the Long-Term Patency of Arteriovenous Access for Hemodialysis: A Single Center Experience. (yashodahospitals.com)

Cardiovascular Imaging, Naval Medical Center Portsmouth, Board of Di- go to the ACR website at www.acr.org/ac to confirm that you are accessing rectors, Society of Cardiovascular Computed Tomography. (bvsalud.org)

Perform vascular access cannulation. (gettinghired.com)

They are used to establish access to a patient's blood vessels for the purpose of delivering fluids, administering medication, or performing diagnostic procedures. (alimed.com)

A butterfly can be used for short term peripheral intravenous access of less than 24 hours and an Angiocatheter is used for peripheral intravenous therapy of more than 24 hours. (registerednursing.org)

With patency you can count on, you can give your patients reliable vascular access for the road ahead. (goremedical.com)
For the patients treated with conventional radial access, hospital staff followed the PROPHET protocol to achieve patent hemostasis. (tctmd.com)
[ 5 ] When femoral central vascular access is desired, the inguinal ligament may serve as an important landmark in adequately perfused nonobese patients. (medscape.com)

They were also more likely to dilute a medication administered via a saline lock or intermittent access site rather than an access port with a continuous infusion. (ismp.org)

Several small, single-centre studies have demonstrated better early patency rates for AVF created under regional anaesthesia (RA) compared with local anaesthesia (LA). The mechanistic hypothesis is that the sympathetic blockade associated with RA causes vasodilatation and increased blood flow through the new AVF. (dundee.ac.uk)
Both techniques resulted in very low rates of RAO-less than 1.0%-and affirm the role of conventional radial vascular access for coronary angiography and PCI, say investigators. (tctmd.com)
In fact, the DISCO RADIAL researchers say this trial establishes a new benchmark for RAO rates after conventional transradial access. (tctmd.com)

Single-center studies have suggested it's superior to the conventional approach, said Aminian, but these studies were hampered by the high rate of RAO with transradial access, which made comparisons between two techniques difficult. (tctmd.com)

Anatomy25

Diseases18

Chemicals and Drugs9

Analytical, Diagnostic and Therapeutic Techniques and Equipment53

Phenomena and Processes3

Anthropology, Education, Sociology and Social Phenomena1

Technology, Industry, Agriculture5

Information Science3

Health Care13

Geographicals1

Target lesion primary patency4

Graft18

Stent3

Nasal patency2

Fistula patency3

Thrombosis6

Lower extremity bypass1

Percutaneous2

Cumulative1

Arteriovenous fistulae1

Catheters3

Outcome4

Grafts2

Stents3

Limb salvage1

Venous access device3

20211

Vein2

Catheter6

Primary8

20221

INTERVENTION2

Proven2

Airway2

Femoral artery1

Clinical1

Stenosis3

Dialysis access2

Arterial2

Emphasize1

Maturation2

Maintain2

Infection2

Occlusion4

Abstract1

Interventions1

Distal4

Placement1

Long-term4

Cardiovascular1

Cannulation1

Patient's1

Intravenous access1

Patients3

Intermittent1

Rates3

Rate1