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KSR Publishing, Inc.
Copyright © 2008

People, Places, Processes & Products that Influence the Supply Chain

INSIDE THE CURRENT ISSUE

November 2007

Endoscope Maintenance Guide

Wet or dry after HLD:
Are endoscopes ready for use?

by Terry Mistalski

High-level disinfection (HLD), the standard of care for reprocessing of flexible endoscopes, is achieved by exposure of the endoscope to a Food and Drug Administration-cleared high-level disinfectant. HLD will only be achieved after meticulous pre-cleaning of the endoscope, per the device manufacturer’s "Directions For Use" and professional society guidelines.

The majority of HLD procedures are performed in an automated endoscope reprocessor (AER), which typically consists of a water flush, disinfection, water rinses, alcohol flush and air purge. Some AERs have a built-in alcohol flush and air purge, which helps remove water from the interior of the endoscopes, facilitating drying and reducing the risk of bacterial growth in the endoscope. The exterior of the scope typically will still have some water on it, but this is generally not of concern if the scope is going to be used for another procedure shortly after.

It is important, however, for the inside and outside of the endoscope to be as dry as possible when the endoscope will be stored overnight or over the weekend. Some facilities perform manual alcohol flush and air purge, but should ensure that the air is bacteria-free. AERs that have an automated alcohol flush and air purge typically will use air that has been filtered through a bacteria retentive 0.2 micron pore size filter, reducing the risk of introducing airborne contaminants.

Terry Mistalski is vice president of marketing for Minntech Corp.’s Medivators Reprocessing Systems division. For more information, please contact Medivators Reprocessing Systems at
(800) 444-4729, or visit www.medivators.com.

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Uncovering repair reduction strategies that work

A well-equipped data toolbox, usage log helps pinpoint hot spots

by Nancy Schlossberg, R.N., CGRN

Avoiding unnecessary repairs is a core element of a successful repair
reduction program. Trimming your repair costs without compromising the safety and satisfaction of your patients and clinicians can save your facility thousands of dollars in repair expenditures and equipment downtime, increasing the overall efficiency of your GI suite.

Design your preventive measures around training, accountability and maintenance protocols that include a formalized system for tracking and trending of repairs. These fundamentals will arm you with the knowledge necessary to make effective strategic financial, operational and clinical decisions for your department.

Training

The Multi-society guideline for reprocessing flexible gastrointestinal endoscopes recommends device-specific reprocessing instructions and regular competency testing for all personnel involved in endoscope reprocessing.1 Adhering to these evidence-based guidelines will help your facility prevent infection and maintain an inventory of properly working equipment and scopes available to start procedures on time, every time. Procedure start-related delays escalate into scheduling set backs as well as staff overtime and physician dissatisfaction.

Reprocessing: Your facility should have a formalized, competency-based reprocessing training plan in place, which includes regularly scheduled in-services. Make sure education conforms to the instructions of the original equipment manufacturer (OEM). Also work with your infection control and risk management departments to ensure consistency between your facility’s reprocessing policies, procedures and protocols, OEM instructions, applicable state and federal regulations, and accreditation requirements outlined by organizations such as The Joint Commission and the Accreditation Association for Ambulatory Health Care (AAAHC).

Handling: Training should also include safe handling protocols in order to avoid inadvertent and unnecessary damage to the scope’s interior and/or exterior. Inspect the reprocessing area to ensure it remains free of sharp edges or objects; do not transport, reprocess or store supplies and/or accessories with flexible endoscopes at any time; and avoid stacking scopes in transport containers, on countertops, and in sinks.

Resources: Look to your OEM for instructional materials, such as reprocessing manuals, guidelines, checklists, wall charts and training videos. Some OEMs also offer assistance from on-site endoscopy support specialists or consultants and provide hands-on and online scope care and maintenance education as well. For quick links to reprocessing and cleaning, disinfection and sterilization (CDS) information, including the Multi-society guideline for reprocessing flexible gastrointestinal endoscopes, visit www.olympusamerica.com/cds.

Accountability

Encourage staff accountability for the quality of your reprocessing by helping them understand the direct correlation between proper endoscope care and handling and the safety of your operation. They must comprehend that skipping or ineffectively performing reprocessing steps or failing to follow OEM instructions can adversely affect patient safety and increase the incidence of repair.

For example, staff can avoid undue chemical damage to the scope as well as cross-contamination risks by adhering to the detergent and/or disinfectant/sterilant OEM’s instructions for reprocessing times, temperatures, dilution, shelf life and expiration.

Ownership: Your entire staff should actively participate in repair reduction efforts and take responsibility for their part in the process. To increase your unit’s efficiency, however, consider delegating the responsibility for your overall repair reduction program to a single staff member. This individual can monitor the big picture, track and trend repairs and look for opportunities to reduce their occurrence.

Resources: For more information on safe handling,
reprocessing and disinfectant/sterilant guidelines, visit www.sgna.org/Resources/standards.cfm, www.olympusamerica.com/cds 
and www.olympusamerica.com/endoscopecare.

Maintenance

Since repair frequency and expense can quickly erode overall procedural efficiency and projected budget, daily and periodic maintenance go a long way in your repair prevention efforts. In addition, schedule regular equipment evaluations to help detect potential problems before they escalate into major repairs.

Endoscope evaluation: Prior to each procedure, proac-tively inspect and test endoscope functions such as air/water, suction channel and image. This helps ensure a patient-ready endoscope and may significantly reduce repairs by catching damage early on. Examine the insertion tube and bending section for cuts, holes and dents. To avoid fluid-invasion damage, regularly check watertight caps for wear and tear. If in doubt, remove the scope from service and leak test it prior to continued use.

Resources: Consider using a monthly equipment check sheet (See Example G). The inspection takes only a few minutes but could significantly reduce and/or prevent the frequency, extent and cost of repairs.

Track and trend

Consistent tracking of the type, cost and frequency of repair expenditures proactively facilitates training focused on issues specific to each institution or center. It also provides benchmarks for measuring overall repair reduction efforts.

Develop a cache of tracking tools to help you monitor your endoscope repairs by procedure type, scope model, individual scope and scope handler. Your tool chest should include inventory lists, repair and usage logs, repair cost-per-procedure information, and monthly equipment and post-repair checks.

Inventory lists: (See Example A) Monitor the size and age of your resource pool and appropriately balance your scope inventory against your procedural requirements. You can expand your list to include video processors, monitors and/or other equipment. Knowing the date of purchase and the age of the instrument will assist you when comparing annual repair costs.

EXAMPLE A: ENDOSCOPE INVENTORY (Colonoscopes)

Model

Serial Number

Purchase Date

Age

Description/Comments

A-Colonoscope

26722

01/01/2007

1 year

Slimline, adjustable

A-Colonoscope

22001

01/01/2003

4 years

Slimline, adjustable

B-Colonoscope

21001

01/01/2002

5 years

Standard

C-Colonoscope

20001

01/01/2001

6 years

Double channel,
not workhorse

Utilization worksheets: (See Example B) Track the use of each individual endoscope to determine its utilization rate. Comparing usage log information with repair log data often tells the story of a workhorse scope inventory that no longer reflects physician preference or procedure mix.

EXAMPLE B: UTILIZATION WORKSHEET

Procedure

Number Primary Scopes1

% Of Total Scopes

Avg Number Procedures Per Year2

Avg Number Procedures Per Day3

% Of Total Procedures Per Day

Avg Scope Usage Per Day4

EGD

8

50%

1,677

7

21%

Less than once per day

Colonoscopy

6

37.5%

6,000

25

76%

4-5 times per day

Sigmoidoscopy

2

12.5%

210

<1

3%

Less than once per day

TOTAL

16

100%

7887

32-33

100%

1. Primary scopes: Workhorse or most commonly utilized endoscopes.

Electronic or manual procedureand/or automated endoscope reprocessor (AER) records can supply this data.

2. Number of procedures per year: Annual procedure volumes.

3. Average number of procedures per day: Number of procedures per year, divided by 240 days.

4. Average scope usage per day: Average number of procedures per day divided by the number of primary scopes.

Repair logs: (See Example C) Repair details enable you to analyze repair frequency by individual scope, repair cause, findings and cost. Using one worksheet per individual endoscope allows you to trend care, handling and repair costs, frequency and repair duplications. Paying close attention to these details can help you identify troublesome scopes or problem staff. You can then direct your repair reduction efforts, staff and in-service trainings to areas where they will have the greatest financial impact.

EXAMPLE C: REPAIR LOG SHEET

Scope Model: A-colonoscope • Serial # 12345 • Mfg: OEM Purchase • Date: 01/01/200x

Date Sent For Repair

Sent To (Repair Company)

Description Of Problem

Repair Findings

Return Date

Cost

P.O. Number

Jan. 15

Original Manufacturer

Blurry picture. Positive leak test.

Fluid invasion

Jan. 19

$7,000

123456

Mar. 27

Original Manufacturer

Stiff controls.Positive leak test.

Fluid invasion

Mar. 30

$7,000

124790

Apr. 23

Original Manufacturer

Hole in tip.

Replace bending section cover and button #1

Apr. 26

$450

124800

June 16

Original Manufacturer

Positive leak test after injecting polyp.

Replace biopsy channel

June 21

$1500

125090

Sept. 2

Original Manufacturer

Hazy picture.Positive leak test.

Fluid invasion

Sept. 5

$7,000

125888

Dec. 11

Original Manufacturer

Positive leak test.

Replace bending section cover and button #

Dec. 14

$450

126091

TOTAL ANNUAL REPAIR COST

$23,400

Repair trends: (See Example D) Repair frequency worksheets provide invaluable assistance in identifying repair trends over time. Determining the occurrence of specific types of repairs allows you to identify problem areas and design process improvements to reduce the incidence of those repairs. For instance, in Example D, repairs were tracked over a year. By comparing the first half of the year with the second half, we can see there was a reduction trend in the repair numbers by repair type during the second half (July-December) of the year.

EXAMPLE D: REPAIR FREQUENCY WORKSHEET (partial listing)

JAN. – JUNE

JUL. – DEC.

TOTAL FOR YEAR

Description

#

Cost

#

Cost

#

Cost

Angulation

7

$1505

2

$430

9

$1935

Air/water nozzle replacement

4

$600

1

$150

5

$750

Bending section

6

$1290

2

$430

9

$1720

Cost calculations: (See Examples E and F) A yearly repair expenditure chart breaks down and compares overall repair costs by type of scope and procedural volumes. It paints a more concise picture of repair hot spots that require further investigation. In Example F, EGDs accounted for 21 percent of the facility’s total procedural volume, with repairs on gastroscopes requiring 9.64 percent of the total repair expenditures. Conversely, sigmoidoscopy totaled just 3 percent of the total volume, yet repair expenditures on these scopes accounted for 7.54 percent of the total repair dollars. Colonoscope repairs accounted for 82.82 percent of total repairs.

EXAMPLE E: ANNUAL REPAIR EXPENDITURES

TOTAL

PROCEDURES

REPAIR
COST-PER-CASE

$

%

#

%

$

Gastroscope

$10,555

9.64%

1,677

21%

$6.29

Colonoscope

$90,641

82.82%

6,000

76%

$ 15.11

Sigmoidoscope

$8,242

7.54%

210

3%

$39.25

Total

$109,438

100%

7,887

100%

$ 13.88

 

EXAMPLE F: ANNUAL REPAIR EXPENDITURES VS. 2007 BENCHMARK

 

Total $

# Procedures

Repair Cost-per-case

Gastroscope

$10,555

1,677

$6.29

Colonoscope

$90,641

6,000

$15.11

Sigmoidoscope

$8,242

210

$39.25

Facility total

$109,438

7,887

$13.88

EASC benchmark repair cost-per-case*

$10.49

Savings Potential

Savings per case, if facility met benchmark

$3.39

Annual savings, if facility met benchmark (7,887 x $3.39)

$26,737

*2007 Olympus Quarter 3 Benchmark Data.

At first glance, this expense may seem consistent with the high colonoscopy volume. However, upon further examination, the repair cost may also reflect poor handling resulting from rushed reprocessing to ensure available workhorse endoscopes. Referencing this facility’s utilization log (See Example B), we can see that only 6 colonoscopes (37.5 percent of their total scope inventory) were used to perform the majority (82.2 percent) of the facility’s total procedure volume.

This type of cross-referencing between tracking logs helps to more precisely investigate problem endoscopes. For instance, in Example C repair expenditures on A-Colonoscope, serial no. 12345 totaled $23,400 or 25.8 percent of this facility’s annual colonoscope repair expenditures ($90,641) and 21.4 percent of their annual total repair dollars ($109,438). You can further quantify this assumption by documenting the number of procedure-start delays related to lack of an available endoscope, held up in reprocessing or out for repairs.

Set a goal to reduce endoscope repair cost-per-procedure expenditures to achieve a desired internal or external benchmark. For instance, our sample facility (an endoscopic ambulatory surgery center/EASC) might set a goal to meet the 2007 repair cost-per-case benchmark data collected by Olympus for peer EASC facilities. To do so, they would need to reduce their overall repair cost-per-case by $3.39. Dropping repair costs from $13.88 to $10.49 per case would save this facility $26,737 annually ($3.39 x 7887 cases).

Equipment check sheets: (See Examples G and H) Repair costs can quickly degrade overall procedural efficiency. Use monthly equipment check sheets and endoscope post-repair checklists to record periodic checks of your equipment.

Beyond repair reduction

Develop long-term cost containment plans to augment short-term repair reduction efforts.

Strategic business plans: Start with a strategic business plan that addresses inventory needs for today, and three to five years down the road. The plan should include:

• Forecasted procedure volume and mix. This will help project an adequate scope inventory.

• The size and age of your equipment resource pool. This is critical to effectively plan for replacing obsolete and worn equipment.

• Endoscope repair histories by model and serial number. Some OEMs can provide medical device histories for endoscopes repaired through their facilities.

• The number and frequency of procedure-start delays and cancellations resulting from unavailable equipment. This will provide a good indicator whether your inventory sufficiently meets your typical procedural load.

• The cost of procedure-start delays and cancellations (i.e., idle staff time x salary dollars per procedure). Weigh this number against the expenditures for additional equipment to evaluate your best options.

Your plan must also anticipate the number of automated endoscope reprocessors (AERs) and associated chemicals you use to reprocess greater volumes of endoscopes. It does not matter how many scopes you have if you cannot get them in and out of the AERs in a timely manner. Rushing to load and unload an AER can lead to unnecessary repairs as well as staff overtime required to reprocess scopes at the end of the day.

Long-Term Rewards: The benefits associated with a successful repair reduction program extend well beyond cost containment, also facilitating patient and clinician safety, functioning inventory and enhanced endoscopy lab efficiency. When effectively applied, monitored and reinforced, a repair reduction plan will reap rewards well beyond the expense of its implementation.  

Sources:
Am J Infect Control 2003; 31:309-15.

Nancy Schlossberg, BA, BSN, R.N., CGRN, is a business development specialist for Olympus’ Medical Systems Group, responsible for developing consulting tools for hospital and ambulatory settings. A GI nurse for 29 years, she has a broad clinical and business background, including serving as past president for the Society of Gastroenterology Nurses and Associates Inc.

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