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Peritoneal Dialysis in the United States Amidst COVID-19

Opinion article

Clinical Practice Learnings with Potential Post-Pandemic Application

The world is amidst a public health crisis related to the COVID-19 pandemic. COVID-19 will remain a primary healthcare concern until a vaccine and effective medications are discovered, which may take many more months.1 End Stage Renal Disease (ESRD) patients are at particularly high risk of this coronavirus infection because of chronic immunocompromised state, a high burden of co-morbid conditions, and high healthcare utilization.2,3 In the US, the first two COVID-19 related deaths occurred in in-center hemodialysis (ICHD) patients, who are at a higher risk of viral transmission because of limited ability to socially distance, interactions with other patients and healthcare staff, and frequent need for transportation to and from dialysis treatments.4 Home dialysis patients are at an obvious advantage by dialyzing at home, where they can better adhere to social distancing recommendations. They also require fewer visits to dialysis facilities and interactions with healthcare workers, which potentially lowers their risk of COVID-19 infection.

Peritoneal Dialysis before COVID-19

ESRD beneficiaries represent approximately 2% of the Medicare population but account for over 7% of overall Medicare spending.5,6 Over the last decade, Centers for Medicare and Medicaid (CMS) has taken several measures to transition from fee-for-service to a value-based payment model, to reduce overall healthcare costs while improving care and clinical outcomes for ESRD patients. In 2011, the Prospective Payment System, also called the “bundle,” was implemented to reign in costs for the ESRD patients. As an incentive, CMS made the bundled payments for peritoneal dialysis (PD) equivalent to ICHD treatments and started payments for PD from the first day of dialysis initiation.7 In 2016, the Centers for Medicare and Medicaid Innovation (CMMI) developed the ESRD Seamless Care Organizations (ESCOs), which was initially a demonstration project and expanded a few years ago to 33 participants.8

PD is a very effective dialysis modality and maintains better 3-year survival, while being approximately $14,000 per patient per year cheaper than ICHD.9,10 Consequently, under these value-based pay for performance models, PD in the US increased significantly since 2011.11

Figure 1: Growth of Home Dialysis amongst 10 largest US dialysis providers

 

Value-based health care is here to stay and will impact future delivery of care to the ESRD population. On July 10, 2019, President Donald Trump issued an Executive Order, referred to as the Advancing American Kidney Health Initiative, which among many things, outlined the goal to have 80% of new ESRD patients either receive home dialysis or a kidney transplant by 2025.12

 

To coincide with the Executive Order, CMS proposed five value-based models with the objective to increase home dialysis and transplant in the next 5 years. The mandatory ESRD Treatment Choices model proposing two payment adjusters, the Payment Performance Adjustment (PPA) and the Home Dialysis Payment Adjustment (HDPA), both designed to increase home dialysis and transplant. The proposed PPA is scheduled to begin July 2021. The HDPA was to begin in January 2020, and will likely to go into effect once the final rule is issued.13

Peritoneal Dialysis during the COVID-19 Pandemic

In the US, both PD and home hemodialysis (HHD) have been significantly impacted by the Pandemic. While we have seen continued increase in number of patients starting HHD treatments, there has been a significant decline in PD starts in the last three months.

The decline in chronic PD during the Pandemic may be due to several reasons:

  1. Reduced numbers of late CKD patients starting dialysis – which could be due to disruptions to nephrologists’ care of CKD patients in their offices – and in some cases, delaying dialysis starts until initiation is medically essential.
  2. Nephrologists may be experiencing a significantly increased workload, and may be under tremendous stress during the Pandemic. This could result in some passivity towards home dialysis growth.
  3. Some hospitals initially deemed PD catheter placement as elective surgeries and stopped procedures to preserve PPE, free up hospital beds and to reduce community spread of COVID-19. CMS released a statement that dialysis access procedures, including PD catheter placement are not considered elective and should be considered a lifeline for dialysis patients. These guidelines have since been added to the American College of Surgeon Guidance for Surgical Care during COVID-19.14
  4. There was a significant reduction in the number of PD catheters placed, especially in patients who had a preexisting access for dialysis. While hospitals are resuming elective procedures, many have limited operating room availability for PD catheter placement.
  5. PD education was significantly impacted because many dialysis patient educators were learning how to provide modality education for CKD and ICHD patients remotely. Additionally, several Transitional Care Units (TCU) were hindered because of staffing issues or because the TCU had been converted to an isolation unit.

Post-Pandemic Peritoneal Dialysis

In contrast, we have seen a reemergence of PD for Acute Kidney Injury (AKI) in patients admitted to hospital systems in Metro New York and New Orleans where access to CRRT machines were limited. In these hospitals, PD catheters were percutaneously placed at the bedside by surgeons and interventional radiologists. Although still early, the outcomes of the placed PD catheters were very good with very little mechanical complications or peri-catheter leaks.15

In March 2020, CMS granted dialysis facilities several telehealth waivers under the Section 1135 of the Coronavirus Preparedness and Response Supplemental Appropriations (CARES) Act. CMS allowed increased access to telehealth to ensure that patients on home dialysis had ongoing, unhindered quality care from their nephrologists and care teams, without increasing their risk of contracting coronavirus infection.16

The COVID-19 Pandemic has accentuated the potential advantages of home dialysis for patients, nephrologists, and clinicians. This could lead to significant positive changes within a rapidly transforming dialysis industry, and further augment the efforts to increase the utilization of home dialysis in the US, especially among ICHD patients.

The familiarity of providers, clinicians, and patients with utilizing telehealth during the pandemic could be a catalyst for increased use of telehealth, virtual care, connected health technologies and remote daily patient monitoring in the management of home dialysis patients.

The experience with Acute PD during the pandemic should improve nephrologists’ comfort with prescribing PD for AKI patients post-COVID-19. The outcomes with acute PD make it a viable alternative to hemodialysis for ICU patients needing renal replacement therapy for AKI. The experience with immediately starting PD after placement of a PD catheter in the hospital will hopefully lead to more urgent start PD for ESRD patients.

Furthermore, PD could become a preferred modality for incident ESRD patients receiving their first dialysis in the hospital.

Potential Risks

Not everyone will experience the reported benefits of home and more frequent dialysis. All forms of dialysis involve some risks. Peritoneal dialysis does involve some risks that may be related to the patient, center, or equipment. These include, but are not limited to, infectious complications.

Certain risks associated with home dialysis treatment are increased when performing independent dialysis because no one is present to help the patient respond to health emergencies.

Certain risks associated with home dialysis treatment are increased when performing nocturnal therapy due to the length of treatment time and because the patient and care partner are sleeping.

References

  1. Omer SB, Malani P, del Rio C. The COVID-19 Pandemic in the US: A Clinical Update. JAMA. 2020;323(18):1767-1768.
  2. Betjes MG (2013) Immune cell dysfunction and inflammation in end-stage renal disease. Nat Rev Nephrol 9(5):255–265.
  3. 2019 USRDS Annual Data Report. Reference Tables C.4 and G.1.
  4. Durvasula R et al. COVID-19 and Kidney Failure in the Acute Care Setting: Our Experience From Seattle. Am J Kid Dis. Published online:April 07, 2020.
  5. United States Renal Data System. 2019 USRDS annual data report: Epidemiology of kidney disease in the United States. National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD, 2019.
  6. Centers for Medicare & Medicaid Services, Office of Enterprise Data and Analytics, CMS Chronic Conditions Data Warehouse. MDCR ENROLL AB 1:Total Medicare Enrollment: Total, Original Medicare, and Medicare Advantage and Other Health Plan Enrollment, Calendar Years 2012-2017.
  7. Golper, Thomas A. “The Possible Impact of the Us Prospective Payment System (‘Bundle’) on the Growth of Peritoneal Dialysis.” Peritoneal Dialysis International, vol. 33, no. 6, Nov. 2013, pp. 596–599.
  8. https://innovation.cms.gov/innovation-models/comprehensive-esrd-care/. Accessed online 6/2/2020.
  9. 2019 USRDS Annual Data Report. Reference Tables I.16 & I.22: 3-year survival probabilities: incident hemodialysis patients & incident peritoneal dialysis patients (respectively), adjusted for age, sex, race, ethnicity, and primary cause of ESRD.
  10. 2019 USRDS Annual Data Report. Figure 28: Total Medicare ESRD expenditures per person per year, by modality, 2008-2017.
  11. Newman M. Nephrol News Issues. 2019; 38(8):29-30.
  12. U.S. Department of Health and Human Services (HHS). Specialty Care Models To Improve Quality of Care and Reduce Expenditures; A Proposed Rule by the Centers for Medicare & Medicaid Services published 7/18/2019.
  13. Centers for Medicare & Medicaid Services Innovation Center, ESRD Treatment Choices Model, updated 1/23/2020. https://innovation.cms.gov/initiatives/esrd-treatment-choices-model/ Accessed 2/19/2020.
  14. American College of Surgeons. COVID 19: Elective Case Triage Guidelines for Surgical Care. Accessed online 6/2/2020: https://www.facs.org/covid-19/clinical-guidance/elective-case/vascular-surgery/
  15. El Shamy O, Sharma S, Winston J, Uribarri J. Peritoneal Dialysis During the Coronavirus 2019 (COVID-19) Pandemic: Acute Inpatient and Maintenance Outpatient Experiences. Kidney Med. 2020 Apr 23. Epub ahead of print.
  16. Centers for Medicare & Medicaid Services. Telehealth Benefits in Medicare are a Lifeline for Patients During Coronavirus Outbreak. Press release issued Mar 09, 2020. https://www.cms.gov/newsroom/press-releases/telehealth-benefits-medicare-are-lifeline-patients-during-coronavirus-outbreak/
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Dinesh Chatoth, MD

Associate Chief Medical Officer
Fresenius Medical Care

Dinesh Chatoth completed his fellowship in nephrology at the University of Texas Southwestern Medical Center in Dallas. He was an assistant professor of medicine and director of the dialysis program at the University of Arkansas for Medical Sciences. He has worked with the KDOQI workgroup for peritoneal dialysis and promotes home dialysis as a modality of choice for patients requiring renal replacement therapy.

Articles by Dinesh Chatoth, MD
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