Vascular access devices, systems, and methods for monitoring patient health
The present technology relates to vascular access devices, systems, and methods configured to monitor a patient's health. In some embodiments, the vascular access device may include a sensing element, and the system of the present technology may be configured to obtain physiological measurements of the patient via the sensing element, determine at least one physiological parameter based on the physiological measurement, compare the at least one physiological parameter to a predetermined threshold, and, based on the comparison, provide an indication of the patient's health.
1. A method for remotely monitoring the health of a patient undergoing cancer therapy, the method comprising:
obtaining physiological measurements via a plurality of sensing elements of a vascular access device while the vascular access device is implanted within the patient, the vascular access device comprising a housing containing a reservoir, a septum adjacent the reservoir and configured to receive a needle therethrough for delivery of a fluid agent to the reservoir, the plurality of sensing elements comprising a movement detection element and an acoustic sensing element configured to obtain sound of at least one of heart beat pattern and pulse pattern, wherein at least one of the plurality of sensing elements is carried by the housing;
based on the physiological measurements, determining one or more physiological parameters of the patient, the physiological parameters comprising at least one of a heart rate parameter, a temperature parameter, a respiratory rate parameter, and a blood oxygen saturation parameter;
based on the physiological measurements, determining one or more movement parameters characterizing patient movement, the movement parameters comprising at least one of (a) a distance moved by the patient, (b) a speed of movement of the patient, (c) a step count of the patient, and (d) a gait of the patient; and
based on the one or more physiological parameters and the one or more movement parameters, determining a performance status of the patient.
2. The method of claim 1 , further comprising providing an indication of the determined performance status to a remote computing device.
3. The method of claim 1 , wherein the performance status is determined on an Eastern Cooperative Oncology Group (ECOG) Performance Status scale.
4. The method of claim 1 , wherein the performance status is determined on a Karnofksy Performance Status scale.
5. The method of claim 1 , further comprising obtaining measurements from one or more additional movement detection elements positioned or worn at locations on the patient's body separate from the vascular access device.
6. The method of claim 1 , wherein the movement detection element is an accelerometer.
7. The method of claim 1 , wherein determining the performance status of the patient comprises comparing each of the one or more movement parameters to a corresponding predetermined movement threshold.
8. The method of claim 7 , wherein one or more of the predetermined movement thresholds are based at least in part on a baseline activity level of the patient.
9. The method of claim 7 , wherein one or more of the predetermined movement thresholds are based at least in part on an activity level of the patient prior to the cancer therapy.
10. The method of claim 1 , wherein the one or more movement parameters include an amount of movement of the patient over a predetermined amount of time.
11. The method of claim 1 , wherein the one or more movement parameters further include one or more of: (a) distance moved by the patient over a predetermined amount of time, (b) acceleration of movement of the patient, and (c) distance, speed, and/or acceleration of movement of the patient during certain times of the day.
12. The method of claim 1 , wherein the one or more movement parameters include at least one of distance moved, speed of movement, acceleration, and/or direction of movement by one or more extremities of the patient's body.
13. The method of claim 1 , further comprising identifying patient motions indicative of a disease state based on the movement parameters and/or the physiological parameters, wherein the disease state is commonly associated with cancer therapy.
14. The method of claim 1 , wherein the plurality of sensing elements further comprises at least one of a temperature sensing element, a heart rate sensing element, a respiratory rate sensing element, a pressure sensing element, a pulse oximeter, and an electrical signal sensing element.
15. The method of claim 1 , wherein the temperature parameter is a body temperature of the patient, and wherein the method further includes determining the body temperature is outside of 96-100° F.
16. The method of claim 1 , wherein the temperature parameter is a body temperature of the patient, and wherein the method further includes determining the body temperature is greater than 100° F. or determining the body temperature is less than 96° F.
17. The method of claim 1 , wherein the acoustic sensing element is configured to obtain at least one of (a) sound frequency within human auditory range, (b) sound frequency below human auditory range, (c) sound frequency above human auditory range, (d) sound of heart beat pattern, and (e) sound of pulse pattern.
18. The method of claim 1 , wherein the heart rate parameter is a heart rate of the patient, and wherein the method further includes determining the heart rate of the patient is greater than 90 beats per minute.
19. The method of claim 1 , wherein the heart rate parameter is a change in a heart rate of the patient, and wherein the method further includes determining the heart rate of the patient increases at least 10% from a reference heart rate of the patient.
20. The method of claim 1 , wherein the respiratory rate parameter is a respiratory rate of the patient, and wherein the method further includes determining the respiratory rate of the patient is greater than 15 breaths per minute.
21. The method of claim 1 , wherein at least one of the plurality of sensing elements is built into the housing with a portion of the sensing element exposed to a local physiological environment when the device is implanted.
22. The method of claim 1 , wherein the at least two of the plurality of sensing elements are built into the housing with a portion of each of the at least two sensing elements exposed to a local physiological environment when the device is implanted.
23. The method of claim 1 , wherein the vascular access device further includes a controller, and wherein the movement detection and acoustic sensing elements are wired to the controller.
24. The method of claim 1 , wherein at least one of the one or more movement parameters indicates the patient's daily activity level.
25. The method of claim 1 , wherein at least one of the one or more movement parameters is indicative of the patient's ability to perform all of the patient's pre-disease activities without restrictions.
26. The method of claim 1 , wherein at least one of the one or more movement parameters is indicative of the patient being ambulatory and able to carry out work of a light or sedentary nature while restricted in performing physically strenuous activities.
27. The method of claim 1 , wherein at least one of the one or more movement parameters is indicative of the patient being inactive more than 50% of waking hours.
28. The method of claim 1 , wherein at least one of the one or more movement parameters is indicative of the patient being completely disabled.
29. A method for remotely monitoring the health of a patient undergoing cancer therapy, the method comprising:
providing an implantable vascular access device, the vascular access device comprising:
a housing,
a reservoir within the housing,
a septum adjacent the reservoir and configured to receive a needle therethrough for delivery of a fluid agent to the reservoir,
a controller;
an acoustic sensing element carried by the housing and wired to the controller;
a temperature sensor carried by the housing and wired to the controller;
an accelerometer carried by the housing and wired to the controller;
obtaining physiological measurements via the acoustic sensing element, the temperature sensor, and the accelerometer while the vascular access device is implanted within the patient;
based on the physiological measurements, determining (a) one or more movement parameters characterizing patient movement, the one or more movement parameters comprising at least one of a distance moved by the patient, a speed of movement of the patient, a step count of the patient, and a gait of the patient, (b) a heart rate parameter, and (c) a temperature parameter;
based on the determined movement parameter, determined heart rate parameter, and determined temperature parameter, determining a performance status of the patient and providing an indication of the performance status to a remote computing device.