Method for trending automated peritoneal dialysis treatments

Patent metadata

Field	Value
Publication number	US-11951242-B2
Application number	US-202217700084-A
Country	US
Kind code	B2
Filing date	Mar 21, 2022
Priority date	Jan 29, 2009
Publication date	Apr 9, 2024
Grant date	Apr 9, 2024

Abstract

A method for performing a peritoneal dialysis therapy includes performing a plurality of peritoneal dialysis cycles for a patient and tracking an amount of dialysis fluid provided by at least one dialysis fluid pump during the plurality of peritoneal dialysis cycles. The method also includes determining an amount of ultrafiltrate (“UF”) removed from the patient based on the amount of dialysis fluid provided by the at least one dialysis fluid pump. The method further includes updating a UF trend using previous amounts of UF removed from the patient and the amount of UF removed from the patient during the most recent dialysis treatment and generating an alert if the UF trend changes by more than a preset percentage.

First claim

The invention is claimed as follows:

1. A method for performing dialysis treatments comprising:
performing, using a logic implementer of a dialysis machine operable with at least one dialysis fluid pump, a present dialysis treatment related to a peritoneal dialysis therapy prescription for a patient, the present dialysis treatment having a plurality of peritoneal dialysis cycles, the cycles including a fill phase, a dwell phase, and a drain phase, wherein the peritoneal dialysis therapy prescription specifies parameters for the present dialysis treatment including at least
(a) a total prescribed fresh dialysis fluid fill volume to be delivered over the plurality of peritoneal dialysis cycles,
(b) an expected amount of ultrafiltrate (“UF”) to be removed per peritoneal dialysis cycle or per the present dialysis treatment,
(c) a maximum allowable peritoneal volume value, and
(d) a dextrose level of a dialysis fluid;

transmitting, from the logic implementer to a network, an amount of dialysis fluid provided by the at least one dialysis fluid pump to a peritoneal cavity of the patient during the present dialysis treatment;
receiving, in a server from the network, the amount of dialysis fluid provided during the present dialysis treatment;
determining, via the server, an amount of UF removed from the patient based on the amount of dialysis fluid provided by the at least one dialysis fluid pump;
determining, via the server as an initial drain volume, how much dialysis fluid resides in the patient's peritoneal cavity at a start of a next dialysis treatment based on at least one of (a) to (d), the amount of dialysis fluid provided during the plurality of peritoneal dialysis cycles, and the amount of UF removed;
updating, via the server, a UF trend using previous amounts of UF removed from the patient during previous dialysis treatments and the amount of UF removed from the patient during the present dialysis treatment;
updating, via the server, an initial drain volume trend using previous initial drain volumes during the previous dialysis treatments and the initial drain volume for the start of the next dialysis treatment;
causing, via the server, the UF trend and the initial drain volume trend to be displayed for clinician review;
receiving, in the server, data indicative of an initial drain flow for the next dialysis treatment;
generating, via the server, an alert when it is determined from the received data that a low drain flow or a drain flow stoppage could occur before the initial drain volume is recovered for the start of the next dialysis treatment;
causing, via the server, the alert to be displayed;
receiving, in the server, a new peritoneal dialysis therapy prescription with at least one of (a) to (d) changed;
transmitting, from the server to the logic implementer, a message indicative of the new peritoneal dialysis therapy prescription; and
performing, using the logic implementer and the at least one dialysis fluid pump of the dialysis machine, the next dialysis treatment according to the new peritoneal dialysis therapy prescription by controlling at least a plurality of peritoneal dialysis cycles specified by the new peritoneal dialysis therapy prescription, a total treatment duration specified by the new peritoneal dialysis therapy prescription, and a total prescribed fresh dialysis fluid fill volume specified by the new peritoneal dialysis therapy prescription.

2. The method of claim 1 , wherein the present dialysis treatment is a continuous cycling peritoneal dialysis (“CCPD”) treatment or a tidal peritoneal dialysis treatment.

3. The method of claim 1 , further comprising determining, via the server, the amount of UF removed from the patient based on the amount of dialysis fluid provided by the at least one dialysis fluid pump in addition to at least one of (c) or (d).

4. The method of claim 1 , further comprising transmitting, from the server to the logic implementer, a message regarding any day exchanges that the patient made a previous day.

5. The method of claim 4 , further comprising:
receiving, in the server from the logic implementer, a response regarding whether the patient had at least one day exchange; and
silencing, via the server, the alert based on the response.

6. The method of claim 1 , wherein the present dialysis treatment is performed using at least one source of the dialysis fluid and a fluid circuit in fluid communication with the at least one source of the dialysis fluid, and
wherein the at least one dialysis fluid pump is operable with the fluid circuit to pump the dialysis fluid from the at least one source to the peritoneal cavity of the patient.

7. The method of claim 1 , wherein the UF trend and the initial drain volume trend each includes at least one of a trended seven day rolling average, a trended one-month rolling average, or a trended multiple month rolling average.

8. The method of claim 1 , wherein the alert is displayed for clinician review.

9. The method of claim 1 , wherein the UF trend and the initial drain volume trend are displayed via a monitor.

10. A method for performing dialysis treatments comprising:
performing, using a logic implementer of a dialysis machine operable with at least one dialysis fluid pump, a present dialysis treatment related to a peritoneal dialysis therapy prescription for a patient, the present dialysis treatment having a plurality of peritoneal dialysis cycles, the cycles including a fill phase, a dwell phase, and a drain phase, wherein the peritoneal dialysis therapy prescription specifies parameters for the present dialysis treatment including at least a dextrose level of a dialysis fluid;
transmitting, from the logic implementer to a network, an amount of dialysis fluid provided by the at least one dialysis fluid pump to a peritoneal cavity of the patient during the present dialysis treatment;
receiving, in a server from the network, the amount of dialysis fluid provided during the present dialysis treatment;
determining, via the server, an amount of ultrafiltrate (“UF”) removed from the patient based on the amount of dialysis fluid provided by the at least one dialysis fluid pump and the dextrose level of the dialysis fluid;
determining, via the server as an initial drain volume, how much dialysis fluid resides in the patient's peritoneal cavity at a start of a next dialysis treatment based on the amount of dialysis fluid provided during the plurality of peritoneal dialysis cycles, the amount of UF removed, and an amount of used dialysis fluid pumped during the plurality of peritoneal dialysis cycles;
receiving, in the server, data indicative of an initial drain flow for the next dialysis treatment;
generating, via the server, an alert when it is determined from the received data that a low drain flow or a drain flow stoppage could occur before the initial drain volume is recovered for the start of the next dialysis treatment;
causing, via the server, the alert to be displayed;
receiving, in the server, a new peritoneal dialysis therapy prescription;
transmitting, from the server to the logic implementer, a message indicative of the new peritoneal dialysis therapy prescription; and
performing, using the logic implementer and the at least one dialysis fluid pump of the dialysis machine, the next dialysis treatment according to the new peritoneal dialysis therapy prescription by controlling at least a plurality of peritoneal dialysis cycles specified by the new peritoneal dialysis therapy prescription, a total treatment duration specified by the new peritoneal dialysis therapy prescription, and a total prescribed fresh dialysis fluid fill volume specified by the new peritoneal dialysis therapy prescription.

Assignees

• Baxter Int
• Baxter Healthcare Sa

Inventors

• Childers Robert W
• Lo Ying-Cheng
• Hopping Peter A

Classifications

• B01D61/244

  comprising multiple dialysis steps · CPC title

• A61M1/284 Primary

  Continuous flow peritoneal dialysis [CFPD] · CPC title

• A61M1/1522

  the interface being evacuated interfaces to enhance contact · CPC title

• A61M1/1524

  the interface providing means for actuating on functional elements of the cassette, e.g. plungers · CPC title

• A61M1/155

  with treatment-fluid pumping means or components thereof · CPC title