Data analysis system

Title: Data analysis system

Related Patent Categories: Surgery, Diagnostic Testing

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20060206012, Data analysis system.

1-20. (canceled)

21. A method of analysis of data measured in a time-varying environment, the method comprising the steps of: (a) recording data items generated during a selected time period from monitoring equipment and recording intervention data entered by personnel; (b) comparing each data item recorded at step (a) with preset threshold values; (c) selecting a group of functions, each function having a status which is contributory to an overall status of the environment and the number of functions in the group being less than the number of data items, scoring each function on the basis of the comparisons made at step (b) for all data items indicative of the status of that function; (d) displaying a series of bar charts on a display screen, wherein each bar chart corresponds to one of the group of functions and comprises a linear series of time-divided segments; (e) repeating steps (a) to (e) for an adjacent time period, while preserving bar chart segment coloration for at least one previous time period; (f) recording intervention data entered by personnel relating to interventions conducted at known times; and (g) displaying data indicative of said intervention data alongside the bar charts in temporal correspondence with the time-divided segments, wherein the data items relate to the physical condition of a patient.

22. A method according to claim 21, wherein the scoring step is carried out in accordance with a Sequential Organ Failure Assessment (SOFA) scoring system, or a modified version thereof.

23. A method according to claim 21, wherein bar chart segment coloration is preserved for at least 8 previous time periods.

24. A method according to claim 23, wherein each time period is one hour long.

25. A method according to claim 23, wherein each bar chart extends horizontally across the display with each successive time period.

26. A computer system programmed to provide a graphical display of derived information, the display comprising a series of bar charts representative of a corresponding series of functions, each bar chart comprising a linear series of time-divided segments wherein each segment of each bar chart is one of a set of permitted colors; to assign the colors to the segments in accordance with the status of the corresponding function at the time period represented by that segment; and to derive the status of each function from a number of data indicators extracted from a database wherein each data indicator comprises an experimental observation made on a system at a time corresponding to the time period represented in the bar chart by the relevant segment, and the status of each function is derived by scoring contributory data indicators in accordance with preset threshold values to produce a status score for each function, wherein the data indicators comprise data relating to data items read from a database, the data items comprising data generated during a selected time period from both monitoring equipment and intervention data entered by personnel, and wherein data indicative of said intervention data is displayed alongside the bar charts in temporal correspondence with the time-divided segments.

27. A computer system according to claim 26, wherein the data indicators comprise observations made on a hospital patient.

28. A computer system according to claim 27, wherein the data indicators comprise information indicative of one or more of: patient blood pressure, heart rate, temperature, central venous pressure, pulmonary artery catheter data, cardiac output, vascular resistance, urine output, respiratory rate, blood chemistry, hemoglobin, white cells, coagulation profile and arterial blood gases.

29. A computer system according to claim 27, wherein the functions comprise the functioning of at least two of the following organ systems: respiratory, cardiovascular, coagulation, renal, hepatic, neurological and gastrointestinal.

30. A computer system according to claim 29, wherein the status of each function is derived from the data indicators in accordance with one of a Sequential Organ Failure Assessment (SOFA) scoring system, or a modified SOFA scoring system.

31. A subject monitoring system which graphically displays derived information, the system comprising: monitoring equipment arranged to make periodic observations on a subject system, a database arranged to store as data items results of periodic observations made by the monitoring equipment; manual data input equipment arranged to enable entering and recording of intervention data in the database; a processor arranged to analyze periodically the stored data items to provide an indication as to status of a selected group of functions, the status of each function being deducible as a score from a subset of the data items compared with preset threshold values; and a display arranged to display a series of bar charts representative of the group of functions, each bar chart comprising a linear series of time-divided segments wherein each segment of each bar chart is one of a set of permitted colors, the colors being assigned to the segments in accordance with the score obtained for the corresponding function at the time period represented by that segment and to display data representative of the recorded intervention data, wherein data indicative of said intervention data is displayed alongside the bar charts in temporal correspondence with the time-divided segments.

32. A monitoring system in accordance with claim 31, wherein the monitoring equipment comprises medical monitoring equipment and the subject system is a patient.

33. A monitoring system according to claim 32, wherein the data indicators comprise information indicative of at least one of patient blood pressure, heart rate, temperature, central venous pressure, pulmonary artery catheter data, cardiac output, vascular resistance, urine output, respiratory rate, blood chemistry, hemoglobin, white cells, coagulation profile and arterial blood gases.

34. A monitoring system according to claim 32, wherein the functions comprise the functioning of at least two of respiratory, cardiovascular, coagulation, renal, hepatic, neurological and gastrointestinal organ systems.

35. A monitoring system according to claim 34, wherein the status of each function is derived from the data indicators in accordance with a Sequential Organ Failure Assessment (SOFA) scoring system, or a modified SOFA scoring system.

36. A programmable digital computer programmed for: (a) reading data items from a database, the data items comprising data generated during a selected time period from monitoring equipment and intervention data entered by personnel; comparing each data item with preset threshold values; scoring each of a selected group of functions, each function having a status which is contributory to an overall status of the environment and the number of functions in the group being less than the number of data items, scoring being done on the basis of the comparisons made for all data items indicative of the status of that function; (d) converting function scores to a color representation and assigning these colors to corresponding scoring functions in the time period, and (e) displaying a series of bar charts on a display screen, wherein each bar chart corresponds to one of the group of functions and comprises a linear series of time-divided segments, and wherein each segment corresponding to the time period on each bar chart is colored with the color assigned to the corresponding function, wherein data indicative of said intervention data is displayed alongside the bar charts in temporal correspondence with the time-divided segments.

37. A method of analysis of data measured in an environment that varies with time, the method comprising the steps of: (a) recording data; generated during selected time interval(s) from monitoring equipment and intervention data entered by personnel; (b) comparing each data item gathered at step (a) with preset threshold values; (c) for each of a selected group of functions, each function having a status which is contributory to an overall status of the environment and the number of functions in the group being less than the number of data items, scoring each function on the basis of the comparisons made at step (b) for all data items indicative of the status of that function; (d) converting scores obtained at step (c) to one of a number of selected visual representations and assigning those representations to correspondingly scoring functions for a specific time period; (e) recording one or more interventions conducted upon, and capable of affecting, the environment; (f) displaying a series of graphical representations on a display screen, wherein each graphical representation corresponds to one of the group of functions and comprises a series of time-divided segments arranged sequentially, and wherein each segment corresponding to the time period on each graphical representation is visually represented according to the visual representation assigned to the corresponding function at step (d); (g) displaying on the display screen the one or more interventions adjacent to one or more of the segments corresponding to the time of the intervention and adjacent to a timeline corresponding to the time-divided segments, so as to facilitate a comparison of the effect of the intervention on the environment; and (h) repeating steps (a) to (e) for an adjacent time period, whilst preserving the segment's visual representation for at least one previous time period, wherein data indicative of said intervention data is displayed alongside the bar charts in temporal correspondence with the time-divided segments.

38. A program stored on a computer on a machine-readable medium, said program comprising code portions for: (a) reading data items from a database, the data items comprising data generated during a selected time period from monitoring equipment and intervention data entered by personnel; (b) comparing each data item with preset threshold values; (c) scoring each of a selected group of functions, each function having a status which is contributory to an overall status of the environment and the number of functions in the group being less than the number of data items, scoring being done on the basis of the comparisons made for all data items indicative of the status of that function; (d) converting function scores to a color representation and assigning these colors to corresponding scoring functions in the time period; and (e) displaying a series of bar charts on a display screen, wherein each bar chart corresponds to one of the group of functions and comprises a linear series of time-divided segments, and wherein each segment corresponding to the time period on each bar chart is colored with the color assigned to the corresponding function, wherein data indicative of said intervention data is displayed alongside the bar charts in temporal correspondence with the time-divided segments.

Brief Patent Description - Full Patent Description - Patent Claims

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