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Hospital Systems Impacts on Cost and Quality Walton Hancock.

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Presentation on theme: "Hospital Systems Impacts on Cost and Quality Walton Hancock."— Presentation transcript:

1 Hospital Systems Impacts on Cost and Quality Walton Hancock

2 What Systems? Inpatient Admissions Operating Room Nurse Staffing Nurse Daily Assignments Ancillary Staffing Outpatient Scheduling Transporters

3 Selection Rationale There are approximately 5000 hospitals in the US. Of these, 121 are teaching hospitals. All of these hospitals need systems to do most of the work. Little attention has been focused on the best methods to do the work.

4 Selection Rationale Continued Many of the present systems result in poor quality, excess costs and chaotic environments for the patients and employees. On an annual basis, hospitals are 98% fixed costs, so, after we change the systems, we must change the staff and staffing patterns to fit the demand.


6 Selection Rationale Continued A typical bed cost per day is at least $1500. This is the most expensive component of stay costs. Thus, we must organize so that the LOS is not extended by poor systems. We must obtain maximum occupancy subject to our quality requirements.

7 Inpatient Admissions Systems This system determines how well we use the hospital resources. Emergencies are 32% of admissions. The rest are elective and can be scheduled to accomplish the objectives. A patient admission loads the nursing and ancillary services. Thus, optimum staffing is dependent on admissions procedures.

8 Inpatient Admissions Systems Usually, the ORs schedule patients with no communication with Admissions. ORs schedule 5 days per week. Thus occupancy falls on weekends. Most medical admissions occur on weekends, Monday and Tuesday. Physicians have to declare an emergency to get a medical patient admitted on Wednesday or Thursday.

9 Inpatient Admissions Systems In many cases, there are no beds available for emergencies on Wednesdays and Thursdays. Surgical cancellations are frequent due to lack of beds. Patients are placed on the wrong units. A surgical patient placed on a medical floor increases the LOS by 1.0 days.

10 Inpatient Admissions Systems Ironically, the patients who receive the best care are those who are placed in the hall! These problems cause the Admissions department to reduce average occupancy to cut down the tension.

11 Inpatient Admissions Systems Proposed goals: Maximum occupancy subject to: All emergencies will be promptly admitted. All elective surgery will have a bed available All call-ins will be admitted within three days.

12 Inpatient Admissions Systems Analyze the patient admissions data for the past two years Produce a vector diagram of the patient flows.

13 Inpatient Admissions Systems Load the admissions rates and their LOS into a digital simulator. Determining the admissions decision rules for 9:00 a.m., 11:00 a.m. and 2:00 p.m. for each day of the week.

14 Patient Flow Diagram

15 Inpatient Admissions Systems Most hospitals have an 11:00 a.m. discharge time. None enforce it. Because discharges occur throughout the day and admissions are typically at 2:00 p.m., admissions decisions have to be made at 9:00 a.m.,11:00 a.m. and 2:00 p.m.

16 Discharge Distribution

17 Inpatient Admissions Systems In order to obtain maximum average occupancy, a medical call-in queue is established. These are patients who are not emergency, but need to be admitted within three days.

18 Decision Points

19 Admissions Worksheet Specific numbers are obtained from the simulator for each day. A worksheet is prepared for the admissions clerk. Sometimes the worksheet is put on a computer, but not immediately.

20 Decision Worksheet

21 Occupancy Curves Maximum average occupancy is a function of several factors. Curves are develop to show the relationships and to help understanding. More specific maximum average occupancy numbers are obtained using a 23 term regression equation.

22 Max Avg. Curves

23 Results The average increase in occupancy using 14 hospitals is 5.5% To prevent problems, the resultant chaos, and quality problems, we cannot exceed a maximum average occupancy. The OR schedule must be stabilized. Specific numbers of surgeries should be done each day.

24 Implementation Implementation was greatly aided because all of the powerful actors benefited: Surgeons could do more procedures per week Admissions personnel had a much easier time. Administrators had increased revenue and/or lower costs.

25 Increased Revenues The typical hospital has 250 beds with a room rate of at least $1500 per day. 250*.055*1500*365= $7,528,125 increase in revenue assuming sufficient patient demand. Countrywide, the increased in revenue is $37,640,625,000

26 Cost Savings Assuming costs that could not be changed are 40%, the savings by reducing the number of beds that we need not staff, would be: $7,528,125*.60 = $4,516,875 per hospital. $22,584,375,000 countrywide. Implementation costs are $100,000.

27 Hospital Planning This admission simulator was used to plan the new (1980) Michigan hospital. The size of each medical service was determined. Changes in medical practice were forecasted and incorporated in the final numbers. The issue of tertiary vs. secondary patients was painfully discussed and resolved.

28 Hospital Planning The patient flow diagrams show the number of patients placed on the wrong units because of lack of beds on the primary unit. Units can be resized so that wrong patient placement is minimized.

29 Operation Room Systems Scheduling ORs

30 Operating Room Operations Average use of ORs is 52% with a six figure overtime bill. ORs are scheduled with no regard for available beds. Surgical cancellations due to lack of beds are frequent. ORs cost $30.00 to $45.00 per minute.

31 Operating Room Operations Many ORs lack operational discipline: Procedures do not start on time. Clean up takes from 15 to 60 minutes. Block schedules are not kept up to date. Schedules use average times. Case carts are not kept up to date. Little or no attempt is made to standardize the case cart contents.

32 Mondays Surgery Distribution

33 Surgery Scheduling Set a maximum limit on the number of surgeries each day. This number can only be exceeded with permission of the Admissions Department. Example: Sun. Mon. Tues. Wed. Thur. Fri. Sat

34 OR Scheduling We need means and variances for the following sub procedures by procedure and by surgeon: Induction Setup Procedure Recovery Room cleanup

35 OR Scheduling 27% average on time starts minutes average turnaround

36 OR Scheduling Unfortunately, the existing history files are full of poor information, so we need to build a new file where: The beginning and end points are defined. Any standardization attempts are done first. Examples: Room clean up should be 20 minutes or less. Case cart loading is done the night before.

37 Surgery Scheduling Objectives: Start procedures on time 95% of the time. Finish in 8 hours 95% of the time. Blocks finish on time 95% of the time. Schedule with a phone call.

38 Savings Summary

39 On Time OR Schedule

40 Nursing Operations Staffing

41 Nurse Staffing 4.2 hours per day per patient is the most commonly used number for acute beds. This assumes that the nurse cares for all of the patients needs. For a 250 bed hospital, we need nurses spread over 3 shifts. Usually, it is 2.0 hours for shift 1, 1.2 for shift 2 and 1.0 for shift 3.

42 Nurse Staffing Approximately 35% of a nurses time is used to care for the patients medical needs. 65% is for physical needs. On the first shift, the nurse can care for 8/2 or 4 patients. If the nurse has an aid on the first shift, then there are 16 hours available. 16/2=8, the number of patients the team can care for.

43 Savings Summary

44 Nursing Procedures Lack of Standarized Work

45 Nurse Staffing Recent studies have indicated that 33% of a nurses time each day is spent trying to find things. The inference is that their workplaces are not standardized. My estimate is that 25% of this could be eliminated. 4.2 could be reduced to 3.15 NH/PD. $3,832,500 saved in a 250 bed hospital or $19,162,500,000 countrywide.

46 Nursing Operations Nurse Assingments

47 Nurse Assignments Each patient needs certain care. How do we assign the nurses so there is a high probability needs will be met? We need to classify each patient at the end of the previous shift so that assignment takes place within the first five minutes of the next shift. We need to provide the admissions dept. with knowledge of where there is an excess of nursing staff.

48 Patient Classification

49 Patient Classification Times

50 Nurse Data Collection Sheet

51 Staffing Report

52 Learning Curve Adjustments

53 Ancillary Staffing Determination of Staffing Levels

54 First Day Load Ratios

55 Ancillary Staffing Ancillary professional groups have labor standards for procedures. These standards are generally loose. Part of the reason for the loose standards is because data were obtained on partially trained employees. Partially trained is the typical state of most hospital personnel because of the lack of practice opportunity.

56 Ancillary Staffing By extending the procedures to their labor hours, we can obtain an estimate of the hours needed on each shift. We know that people work at their maximum rate when highly motivated. Motivation is highest when there is a lot of work to do. A sustainable rate is 1/4 less than the maximum rate.

57 Ancillary Staffing Unfortunately, the number of procedure orders on the first shift are not uniformly received during the shift. Orders for blood work are received after the physician makes rounds. Thus, idleness may occur during the early part of the shift. The working hours of ancillary services need to be changed to reflect when orders are received.

58 Ancillary Staffing When work is standardized, output increases by 1/3. Except for certain laboratory procedures, very little of the work has been standardized.

59 Number of Procedures - Biochemistry

60 Laboratory staffing Weekend staffing is generally not sufficient. Results are thus delayed which may increase LOS.

61 Weekend Staffing

62 Ancillary Staffing Analysis

63 Ancillary Savings

64 Outpatient Scheduling Patient Waiting

65 Outpatient Scheduling Objective: To reduce patient waiting while not incurring much physician idle time.

66 Background for Outpatients Hospitals are shifting towards outpatient treatment. None of the clinics surveyed have collected data on physician treatment times. The answer so far--build bigger waiting rooms. Problem is aggravated when physicians are paid per treatment (not salary).

67 Patient Delays

68 Outpatient Scheduling Results Orthopedic Surgery – 52.9% reduction in patient waiting from an average of 27.8 minutes to 13.1minutes Plastic Surgery – 50% reduction in patient waiting, from 15.0 minutes to 7.5 minutes. Vascular Surgery – Experiment not complete, but a 64% reduction from 27.8 average minutes.

69 Outpatient Operations 15 clinics surveyed : 90% use 15 minutes for most treatment times. None have any data on actual times. Standard solution to patient waiting is to increase the size of the waiting rooms. Little rational to schedule slots. Many use purposeful overbooking to compensate for no shows.

70 Transporters Limiting Factor to Service Flows

71 Transporters The lack of transporters affects ancillary loads and possibly length of stay. Needs vary through the day, so we need transporters who can restock and do other things. Sum of time transporters are active X two = the number needed by hour of the day.

72 Savings Summary

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