DIALYSIS VASCULAR ACCESS

Procedures in Office Settings

Dialysis Vascular Access for End-Stage Renal Disease Patients

Life-sustaining procedures that connect ESRD patients to dialysis machines — performed safely in office-based centers with significantly better outcomes and far lower costs than hospital settings.

4x

more expensive in a hospital outpatient department vs. office-based setting

Fewer

infections and hospitalizations for patients treated in office-based centers

Understanding ESRD and Vascular Access

Patients with End-Stage Renal Disease (ESRD) rely on dialysis machines to filter toxins and remove excess water from their blood — a process their kidneys can no longer perform. To connect a patient to a dialysis machine, a vascular access point must be surgically created and maintained on the patient's body.

Dialysis vascular access procedures can be performed in ambulatory settings, including office-based centers. However, Medicare reimbursement for these procedures in a hospital outpatient department can be more than four times more expensive than in an office-based setting — without any corresponding improvement in patient outcomes.

Office-based care delivers measurably better outcomes: Research confirms that patients who receive dialysis vascular access care in a freestanding office-based center have lower all-cause mortality, fewer infections, and fewer hospitalizations than those treated in a hospital outpatient department

Accessing the Patient's Bloodstream

There are three primary options for establishing dialysis vascular access, each suited to different patient needs and circumstances:

Fistula

A surgically created connection between an artery and a vein. The preferred long-term access option — durable, lower infection risk, and longer-lasting than other methods.

Graft

An implanted synthetic tube that connects an artery to a vein, used when a patient's own vessels are not suitable for a fistula.

Central Vein Catheter

An external tube placed through the skin and advanced to veins in the chest. Typically used as a temporary measure while a fistula or graft matures.

Over time, fistulas and grafts can develop stenosis — a narrowing of the vessel — that requires a maintenance procedure to restore blood flow and keep the access point functional. These repair and maintenance procedures are a core component of ongoing ESRD care.

Research & Clinical Outcomes

Two landmark studies — conducted in 2013 and updated in 2017 — provide compelling evidence that office-based dialysis vascular access care produces significantly better patient outcomes than hospital outpatient department care, at a fraction of the cost.

Quality & Outcome

What is the best setting for receiving dialysis vascular access repair and maintenance services? (El-Gamil, Dobson et al., 2017)

This research confirmed that patients who received dialysis vascular access care in a freestanding office-based center had measurably better outcomes than those treated in hospital outpatient departments, including lower all-cause mortality, fewer infections, fewer septicemia-related hospitalizations, and fewer unrelated hospitalizations.

Quality & Cost

Clinical and Economic Value of Performing Dialysis Vascular Access Procedures in a Freestanding Office-Based Center (Dobson et al., 2013)

The original 2013 study established both the clinical superiority and economic value of office-based dialysis vascular access care compared to the hospital outpatient setting. Results showed significantly better patient outcomes and substantially lower costs to Medicare — findings that were confirmed and reinforced by the 2017 follow-up study.

Office-Based vs. Hospital Outpatient Department

Patients treated in freestanding vascular access centers consistently outperformed those treated in hospital outpatient departments across every measured outcome:

Lower all-cause mortality • Fewer vascular access infections
Fewer septicemia-related hospitalizations
Fewer unrelated hospitalizations • 4× lower cost to Medicare

Disparities in Dialysis Vascular Access Care

ESRD disproportionately affects communities of color — and disparities in care quality and access compound this burden. Research shows that Black and Hispanic hemodialysis patients face higher rates of life-threatening infections, while underserved regions lack adequate access to the specialists who perform vascular access procedures.

Key findings: Health Disparities in Hemodialysis-Associated Bloodstream Infections (Rha et al., CDC MMWR 2023)

A CDC study covering 2017–2020 found that:

Bloodstream infection rates during dialysis were 100 times higher among hemodialysis patients than among adults not on hemodialysis.
Infection rates were highest among non-Hispanic Black and Hispanic or Latino patients — compounding an already disproportionate disease burden.
Vascular access via central venous catheter was strongly associated with bloodstream infections, underscoring the importance of timely fistula creation and maintenance.
Health care providers should identify and address barriers to lower-risk vascular access placement and implement established best practices to prevent infections.

Patients taking blood dialysis in the hospital.jpg

Key findings: Supply and Distribution of Vascular Access Physicians in the U.S. (Lee et al., Kidney360, 2020)

A cross-sectional study of vascular access physician distribution found that:

Regions in the South (particularly Georgia, Alabama, Mississippi, and Louisiana), Appalachia, and Midwest/Plains are significantly underserved by physicians who perform vascular access procedures.
These are the same regions with the highest concentrations of Black and low-income ESRD patients — creating a compounding access crisis.
Changes in reimbursement policy may be needed to increase the supply of vascular access physicians in underserved areas and for disadvantaged patient populations.

Why Office-Based Care is Essential to Closing the Gap

Office-based vascular access centers extend the reach of specialist care beyond major hospital systems — making life-sustaining procedures available in communities that would otherwise go underserved. Protecting fair reimbursement for office-based dialysis vascular access procedures is not just a payment policy issue: it is a health equity imperative for ESRD patients across the country.

"Patients who received dialysis vascular access care in a freestanding office-based center had significantly better outcomes than people treated in a hospital outpatient department." — El-Gamil & Dobson et al., 2017