Smart oximetry method, system thereof and method for assessing cardiovascular function based on blood oxygen state

A smart oximetry system, for detecting a hemoglobin parameter of a tissue in a subject, so as to obtain a blood oxygen state of the subject, comprising:

• a smart oximetry device, comprising:
• an optical transmitter, for emitting a first light wave having a wavelength between 600 nm and 800 nm and a second light wave having a wavelength between 800 nm and 950 nm to the tissue of the subject;
• an optical receiver, for receiving a first reflected light wave and a second reflected light wave of the first light wave and the second light wave;
• a microprocessor unit, electrically connected to the optical transmitter and the optical receiver, the microprocessor unit controlling the optical transmitter to emit the first light wave and the second light wave, and to receive the first reflected light wave and the second reflected light wave, so as to obtain the hemoglobin parameter, the hemoglobin parameter including an oxy-hemoglobin concentration and a deoxy-hemoglobin concentration;
• and
• a processor, signally connected to the smart oximetry device, the processor receiving the hemoglobin parameter, and calculating any one or a combination of the following monitoring parameters according to the hemoglobin parameter:
• a monitoring parameter I:
• a time period for the hemoglobin parameter to reach a peak value from beginning of an incremental exercise;
• a monitoring parameter II:
• an amount of change of the hemoglobin parameter between an initial value and the peak value;
• a monitoring parameter III:
• an average rate of change of the hemoglobin parameter from the beginning of the incremental exercise to the peak value;
• and
• a monitoring parameter IV:
• an average rate of change of the hemoglobin parameter from a 60%-point of the entire incremental exercise to the peak value;
• wherein the monitoring parameters are entered into a linear prediction system or a non-linear prediction system for assessing a blood oxygen state of the subject according to a preset threshold.

A method for assessing a cardiovascular function based on a blood oxygen state, comprising:

• acquiring a hemoglobin parameter related to a tissue of a subject, the hemoglobin parameter comprising a hemoglobin concentration and a tissue oxygen content;
• calculating any one or a combination of the following monitoring parameters according to the hemoglobin parameter:
• a monitoring parameter I:
• a time period for the hemoglobin parameter to reach a peak value from beginning of an incremental exercise;
• a monitoring parameter II:
• an amount of change of the hemoglobin parameter between an initial value and the peak value;
• a monitoring parameter III:
• an average rate of change of the hemoglobin parameter from the beginning of the incremental exercise to the peak value;
• and
• a monitoring parameter IV:
• an average rate of change of the hemoglobin parameter from a 60%-point of the entire incremental exercise to the peak value;
• and
• entering the monitoring parameters into a linear prediction system or a non-linear prediction system, and assessing a blood oxygen state of the subject according to a preset threshold, so that when any of the monitoring parameters exceeds the preset threshold, it is determined that the cardiovascular function of the subject is good, and otherwise, it is determined that the cardiovascular function of the subject is not good.