Method and system to protect kidneys during surgery
AssigneePLC Medical Systems, Inc.
InventorsAndrew Halpert, Per Ulrich
Life of this patent
Estimating the term…
Abstract
A method to protect kidneys of a patient undergoing cardiac surgery patient including: administrating a diuretic to the patient to increase urine output of the patient during cardiac surgery, wherein the diuretic is administered during the cardiac surgery; anesthetizing the patient with a general anesthetic during the cardiac surgery; infusing an intravenous liquid into the patient during the cardiac surgery; monitoring a rate or amount of urine output of the patient during the cardiac surgery, and automatically adjusting a rate or amount of the intravenous liquid infused into the patient to achieve or exceed a target urine output during the cardiac surgery.
Claims39
A method of preventing acute renal injury in a patient undergoing cardiac surgery comprising:
- anesthetizing the patient;
- pre-operatively connecting the patient to an automatic fluid balancing system configured to intravenously infuse an infusion fluid into the patient and measure patient urine output;
- administrating a diuretic dose to the patient;
- performing a cardiac surgical procedure on the patient, which reduces blood flow to the patient's kidneys;
- reducing oxygen demand of the patient's kidneys at least during one or both of before or after the cardiac surgical procedure by operating the automatic fluid balancing system to infuse the patient with the infusion fluid at a rate or to achieve an amount based on the measured urine output;
- monitoring the patient's urine output rate, and
- administering an additional diuretic dose to the patient if the urine output rate is less than the target urine rate.
A method of preventing acute renal injury in a patient undergoing cardiac surgery comprising:
- anesthetizing the patient;
- pre-operatively connecting the patient to an automatic fluid balancing system configured to intravenously infuse an infusion fluid into the patient and measure patient urine output;
- administrating a diuretic dose to the patient;
- performing a cardiac surgical procedure on the patient, which reduces blood flow to the patient's kidneys;
- reducing oxygen demand of the patient's kidneys at least during one or both of before or after the cardiac surgical procedure by operating the automatic fluid balancing system to infuse the patient with the infusion fluid at a rate or to achieve an amount based on the measured urine output, and
- administering one or more additional medicines to the patient during cardiac surgery to increase urine output.
A method of preventing acute renal injury in a patient undergoing cardiac surgery comprising:
- anesthetizing the patient;
- pre-operatively connecting the patient to an automatic fluid balancing system configured to intravenously infuse an infusion fluid into the patient and measure patient urine output;
- administrating a diuretic dose to the patient;
- performing a cardiac surgical procedure on the patient, which reduces blood flow to the patient's kidneys;
- and
- reducing oxygen demand of the patient's kidneys at least during one or both of before or after the cardiac surgical procedure by operating the automatic fluid balancing system to infuse the patient with the infusion fluid at a rate or to achieve an amount based on the measured urine output, wherein the operation of the automatic fluid balancing system includes infusing the patient with the infusion fluid to increase the measured urine output to at least 280 ml/hr.
A method to protect kidneys of a patient undergoing cardiac surgery patient including:
- anesthetizing the patient with a general anesthetic;
- administrating a diuretic to the patient to increase urine output of the patient during cardiac surgery, wherein the diuretic is administered after the patient is anesthetized;
- intravenously infusing a liquid into the anesthetized patient;
- monitoring a rate or amount of urine output of the anesthetized patient;
- automatically adjusting a rate or amount of the intravenous liquid infused into the anesthetized patient to achieve a minimum target urine output rate during the cardiac surgery, and
- adjusting the rate or the amount of the intravenous liquid infused into the patient to achieve at least a urine output of a second minimum urine output rate which is below the urine output rate used during the cardiac surgery.
Dependencies are inferred from the claim text.