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37 results about "HF - Heart failure" patented technology

Detecting worsening heart failure

A method comprises monitoring a heart rate, a respiration rate and an activity level of a patient, comparing the monitored heart rate, respiration rate and activity level to a predetermined threshold zone which is a function of heart rate, respiration rate and activity level, determining the patient is experiencing worsening heart failure when the monitored heart rate, respiration rate and activity level are outside the predetermined threshold zone; and after determining the patient is experiencing worsening heart failure when the monitored heart rate, respiration rate and activity level are outside the predetermined threshold zone, issuing an alert to indicate that the patient is experiencing worsening heart failure.
Owner:MEDTRONIC INC

Multimarker panel for monitoring patients with and without overt heart failure

InactiveUS20110107821A1Disease diagnosisTesting metalsNt proanpCardiac troponins
The present invention relates to a method for monitoring a subject suffering from heart failure, the method involving repeatedly determining, within given time intervals, the amounts of each of the following peptide markers: NT-proANP or a variant thereof; NT-proBNP or a variant thereof; a cardiac troponin or a variant thereof; and GDF-15 or a variant thereof; in a sample from the subject; and comparing the amounts measured in each determination with reference amounts of each marker; and assessing, based on differences in determined amounts in one or more of the markers, whether the subject is stable or has undergone a change in pathophysiological state.
Owner:ROCHE DIAGNOSTICS OPERATIONS INC

Heart failure detection and risk stratification system

Devices and methods for detecting heart failure (HF) events or identifying patient at elevated risk of developing future HF events are described. A medical device can detect contextual condition associated with a patient, such as an environmental context or a physiologic context, sense a heart sound signal, and perform multiple measurements of heart sound features in response to the detected patient contextual condition meeting specified criterion. The contextual condition includes information correlating to or indicative of a change in metabolic demand of a patient. The medical device can use the physiologic signals to calculate one or more signal metrics indicative of diastolic function of the heart such as a trend of the heart sound features. The medical device can use the signal metrics to detect an HF event or to predict the likelihood of the patient later developing an HF event.
Owner:CARDIAC PACEMAKERS INC

Congestive heart failure risk status determination methods and related devices

Embodiments relate to devices and methods for monitoring, identifying, and determining risk of congestive heart failure (CHF) hospitalization. Methods include determining physiological values of a patient by electrocardiogram (ECG), bioimpedance, and 3-axis accelerometer, filtering the physiological values, comparing physiological values to baseline parameters and determining CHF risk. Devices include a 3-axis accelerometers, bioimpedance sensors, and an electrocardiogram, each capable of measuring patient physiological values, and one or more processors to receive the measured physiological values.
Owner:MEDTRONIC MONITORING

Automatic differential diagnosis of worsening heart failure

Devices and methods for differentially diagnosing between worsening heart failure (HF) and other diseases or medical conditions are described. A medical system can receive patient information including one or more physiologic signals, and detect a respective physiologic feature from each of the one or more received physiologic signals. The medical system can include a differential diagnosis circuit that generates one or more signal metrics, receive two or more candidate conditions associated with the change in patient physical or physiological status, and determine a respective diagnostic score for each of the candidate conditions. The diagnostic score can indicate likelihood the change in the patient physical or physiologic status being caused by the corresponding candidate condition. A user interface can be provided to generate a presentation of the detected physiologic features and the diagnostic scores associated with the candidate conditions.
Owner:CARDIAC PACEMAKERS INC

Prognostic Methods for Congestive Heart Failure

InactiveUS20070212729A1Improve survival predictionSurvival prognosis can be improvedDisease diagnosisBiological testingCongestive heart failure chfIncreased risk
Provided are methods for predicting survival outcome of an individual suffering from congestive heart failure. In accordance with the method, a patient's survival outcome is determined by taking into consideration the levels of two markers in combination, the combination being more predictive of survival than either marker alone. The markers include endothelin, atrial natriuretic peptide and brain natriuretic peptide, their precursors and fragments thereof. Individuals with congestive heart failure identified as having increased risk of mortality using the methods of the invention are appropriately targeted for more aggressive therapy.
Owner:BIOMEDICA MEDIZINPROD

Methods for detection of heart failure

Described herein are methods for diagnosing and / or treating an individual for heart failure based on the individual's level of Lp-PLA2, or the individual's level of Lp-PLA2 and GDF-15, or the individual's level of Lp-PLA2 and sST2.
Owner:DIAZYME LAB INC

Means And Methods For Counteracting, Preventing And/Or Determining Heart Failure, Or A Risk Of Heart Failure

InactiveUS20120115929A1Organic active ingredientsSugar derivativesLeft heart failureCvd risk
The present invention relates to a method for diagnosing and / or prognosing heart failure in a subject the method comprising the step of determining the level of at least one genetic marker in a body fluid sample obtained from said subject, wherein said at least one genetic marker is an mi RNA. The invention further relates to a method for treating or preventing heart failure in a subject the method comprising the step of decreasing within said subject the expression, amount, and / or activity of at least one mi RNA, or decreasing within said subject the interaction of at least one mi RNA with its m RNA target or increasing within said subject the expression, amount, and / or activity of the m RNA target of at least one mi RNA.
Owner:ACADEMISCH MEDISCH CENT BIJ DE UNIV VAN

Method and device for monitoring acute decompensated heart failure

An implantable medical device has an impedance determiner for determining a cardiogenic impedance signal based on electric signals sensed by connected electrodes. A parameter calculator processes the impedance signal to calculate an impedance parameter representative of the cardiogenic impedance in connection with the diastolic phase of a heart cycle. This parameter is then employed by the device for monitoring acute decompensated heart failure status of a subject.
Owner:ST JUDE MEDICAL

Method for predicting death rate of ICU heart failure patients based on IABC-RF

The invention provides a method for predicting the death rate of ICU heart failure patients based on IABC-RF, and the method comprises the following steps: collecting a data set, wherein the data setis the doctor-seeing information of the ICU patients; preprocessing the data set, wherein the preprocessing process comprises data screening, data marking and feature extraction; dividing the preprocessed data set into a training set and a test set; inputting the training set into an unoptimized random forest model for training to obtain an optimized random forest model; and inputting the test setinto the optimized random forest model to obtain a prediction result of death or survival of the heart failure patient in the test set. According to the method, the improved iterative deepening search artificial bee colony algorithm and the random forest model are combined in ICU patient heart failure death rate prediction research for the first time, so the performance of the model is greatly improved while the optimization performance is improved, and the heart failure death rate can be predicted more accurately and faster.
Owner:NANJING UNIV OF TECH

Use of slim-1 in the assessment of heart failure

The invention relates to a method for assessing heart failure in vitro comprising the steps of measuring in a sample the concentration of the marker SLIM-1, of optionally measuring in the sample the concentration of one or more other marker(s) of heart failure, and of assessing heart failure by comparing the concentration determined in for SLIM-1 and the concentration(s) determined for the optionally one or more other marker to the concentration of this marker or these markers as established in a reference population. Also disclosed are the use of SLIM-1 as a marker protein in the assessment of heart failure, a marker combination comprising SLIM-1 and a kit for measuring SLIM-1.
Owner:THE GOVERNING COUNCIL OF THE UNIV OF TORONTO

Method for diagnosing heart failure

InactiveUS20150090010A1Broadened metabolic “windowOmicsMaterial analysis by electric/magnetic meansButyrylcarnitineBiomarker (petroleum)
A method for diagnosing heart failure in a subject is provided. The method includes steps of measuring a biological sample of the subject to obtain an amount of at least one biomarker selected from the group consisting of xanthine, spermidine, propionylcarnitine, butyrylcarnitine and P-cresyl sulfate; and comparing the amount of the at least one biomarker to a reference. Moreover, the present invention relates to a method for staging heart failure or evaluating a prognosis of heart failure in a subject.
Owner:CHANG GUNG MEDICAL FOUND CHANG GUNG MEMORIAL HOSPITAL AT KEELUNG

Apparatus for predicting heart failure

Devices and methods for detecting heart failure (HF) events or identifying a patient at an elevated risk of developing future HF events, such as events indicative of HF decompensation status, are described. The devices and methods can detect an HF event or predict an HF risk using signal transformations on different portions of a physiologic signal. A system can comprise a physiologic signal analyzer circuit that can generate a signal trend of a signal feature calculated using one or more physiologic signals obtained from a patient. A signal transformation circuit can dynamically generate first and second transformations, apply the transformations to respective first and second portions of the signal trend, and generate respectively first and second transformed signal trends. A target physiologic event detector circuit can detect a target physiologic event such as an event of worsening HF using a comparison of the first and second transformed signal trends.
Owner:CARDIAC PACEMAKERS INC

Prediction of worsening of heart failure

ActiveCN108366729APrevents HF exacerbationLow costStethoscopeCatheterHeart failure cellShort terms
Systems and methods for detecting cardiac conditions such as events indicative of worsening of heart failure (HF) are described. A system can receive a physiological signal from a patient, transform one or more first portions of the physiological signal into respective one or more baseline statistical values, transform one or more second portions of the physiological signal into one or more historical extreme values, and generate one or more reference values of a physiologic parameter using the baseline statistical values and the historical extreme values. The system can transform one or morethird signal portions of the physiological signal into respective one or more short-term values, and produce a cardiac condition indicator using a combination of relative differences between the short-term values and the corresponding reference values. The system can output the cardiac condition indicator, or deliver therapy according to the cardiac condition indicator.
Owner:CARDIAC PACEMAKERS INC

Methods for assessing differential risk for developing heart failure

The present invention provides a method for predicting whether a human patient 65 years of age or older is at increased risk for developing heart failure, comprising obtaining the results of an assay that measures levels of NT-proBNP and / or cardiac troponin T in a specimen from the patient wherein an increased NT-proBNP and / or cardiac troponin T level compared to levels in a control indicate an increased risk for developing heart failure.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST +1

System and method for monitoring a ventricular pressure index to predict worsening heart failure

InactiveUS8594790B2Evaluation of blood vesselsCatheterHeart failure cellCell heart failure
A medical device monitors a patient to predict worsening heart failure. An input circuit of the medical device receives a pressure signal representative of a pressure sensed within a ventricle of the patient's heart as a function of time. A processor derives from the pressure signal a ventricular pressure index for a ventricular contraction based upon pressures in the ventricle. The processor then provides an output based upon the ventricular pressure index.
Owner:MEDTRONIC INC

Methods and compositions for diagnosis and risk prediction in heart failure

The present invention relates in part to diagnosing the occurrence of heart failure, particularly in subjects who exhibit a normal body fluid level of a natriuretic peptide. The present invention further relates in part to assigning an outcome risk (e.g., worsening cardiac function or a mortality risk, a risk of rehospitalization) to a subject. The methods comprise performing one or more assays that detect one or more biomarkers selected from the group consisting of WAP4C, ESAM, LTBR, Mesothelin, and Syndecan-1 performed on a body fluid sample obtained from a subject, and assigning diagnosis or risk based, at least in part, on the result(s) obtained thereby.
Owner:ALERE SAN DIEGO INC

Use of biglycan in the assessment of heart failure

The invention relates to a method for assessing heart failure in vitro and involves the steps of measuring in a sample the concentration of the marker biglycan, of optionally measuring in the sample the concentration of one or more other marker(s) of heart failure, and of assessing heart failure by comparing the concentration determined in for biglycan and the concentration(s) determined for the optionally one or more other marker to the concentration of this marker or these markers as established in a reference population. Also disclosed are the use of biglycan as a marker protein in the assessment of heart failure, a marker combination comprising biglycan and a kit for measuring biglycan.
Owner:THE GOVERNINIG COUNCIL OF THE UNIV OF TORANTO

Use of slim-1 in the assessment of heart failure

The invention relates to a method for assessing heart failure in vitro comprising the steps of measuring in a sample the concentration of the marker SLIM-1, of optionally measuring in the sample the concentration of one or more other marker(s) of heart failure, and of assessing heart failure by comparing the concentration determined in for SLIM-1 and the concentration(s) determined for the optionally one or more other marker to the concentration of this marker or these markers as established in a reference population. Also disclosed are the use of SLIM-1 as a marker protein in the assessment of heart failure, a marker combination comprising SLIM-1 and a kit for measuring SLIM-1.
Owner:THE GOVERNINIG COUNCIL OF THE UNIV OF TORANTO

Endostatin as a marker of heart failure

Disclosed is a method for assessing heart failure in an individual including the steps of a) measuring in a sample obtained from the individual the concentration of the marker endostatin, of b) optionally measuring in the sample the concentration of one or more other marker(s) of heart failure, and of assessing heart failure by comparing the concentration determined in step (a) and optionally the concentration(s) determined in step (b) to the concentration of this marker or these markers as established in a control sample. Also disclosed are the use of endostatin as a marker protein in the assessment of heart failure, a marker combination comprising endostatin, and a kit for measuring endostatin.
Owner:ROCHE DIAGNOSTICS OPERATIONS INC
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