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Healthcare-associated Infections


IHC, in cooperation with infectious disease specialists from across the state, has developed the following Healthcare-associated Infection Toolkit. The toolkit consists of outcomes measures, standardized reporting format, and tools to improve performance related to healthcare-associated infections.

We would like to thank those individuals and organizations who have shared their materials and who have agreed to serve as mentors. Please contact IHC if your organization would like to contribute materials to this toolkit.


Case for Change

Healthcare-associated infections (HAIs) are a major public health problem in the United States. According to the 2005 Healthcare Infection Control Practices Advisory Committee (HICPAC) Report, hospitals account for an estimated 2 million infections, 90,000 deaths, and $4.5 billion in excess healthcare costs annually.(1)

Public Reporting – Since 2002, several states have enacted legislation that requires healthcare organizations to publicly disclose HAI rates. Advocates for mandatory reporting of HAIs believe that making more information publicly available will enable consumers to make more informed choices about their healthcare and improve overall quality. However, others have expressed concern that the reliability of public reporting systems may be compromised by institutional variability in the definitions used for HAIs, and/or in the methods and resources used to identify HAIs. In either case, there is insufficient evidence on the merits and limitations of an HAI public reporting system.(2)

Changing measures – Industry measurement of HAIs is undergoing widespread reevaluation. Several factors, including advances in medicine, have rendered previous methods of measurement obsolete. Several national organizations are working to identify new measures, standardize definitions, and focus improvement efforts where they will be most effective. The 2005 HICPAC Report recommended tracking and reporting the following rates: IHC Efforts – Following HICPAC recommendations, the Iowa Healthcare Collaborative (IHC) has developed a strategy to reduce HAIs in Iowa. IHC will develop and deploy a set of consistent, evidence-based measures across the state. Implementation of these uniform metrics will decrease institutional variability in interpretation and use. IHC also hopes the formation of these metrics will improve public access to HAI information. We believe that a provider-led exercise in self-reporting will accelerate clinical improvement and the spread of best practice in HAI.

IHC has produced this toolkit for healthcare providers in the state. It provides detailed information about IHC’s 2007 HAI reporting initiative and practical applications to improve performance.

References:
(1) Guidance on Public Reporting of Healthcare-Associated Infections, Recommendations of the Healthcare Infection Control Practices Advisory Committee (Feb. 28, 2005)
(2) Am J Infection Control 2005; 33:217-26.

Project Description

Objectives

In September of 2005, IHC began this effort to reduce Healthcare-Associated Infections. The objectives:
  1. Increase awareness about HAIs among providers and the public.
  2. Convene a discussion in the Iowa healthcare community to standardize definitions and metrics around infection reporting.
  3. Promote public reporting of HAI information in Iowa.

Project Team

IHC convened a Work Group that includes:

Metrics

The 2006 measures set represents existing measures taken from the CMS data set: New measures will be added to the 2007 Iowa Report. These are described in greater detail in the Tools section of this toolkit. New measures IHC plans to include:

Selection Process

Through a series of meetings, surveys, and work days, the Project Team has:

Timeline

This project is designed to promote voluntary hospital reporting of a set of evidence-based measures on an annual basis beginning in 2007. It is expected that this reporting will continue into the foreseeable future.

Project Status

The HAI Work Group has designed metrics, engaged the ICP community, built this toolkit, and endorsed public reporting. They will continue to meet to direct and advance this project. Currently, attention is focused on execution of this strategy. The work of this group will be presented at the IHC Annual Meeting in November. Data will be reviewed to prepare reporting formats that bring the most benefit to the state. Finally, it is expected that IHC will introduce new metrics and expanded reporting as the project advances.

References:
(2) Am J Infection Control 2005; 33:217-26.

Tool Kit

The Toolkits section provides applications designed to help providers better execute this project. In each area, there is a formal definition of what is being measured. Where available, sample policies, signage, monitoring techniques, and implementation tools are included. The toolkit is designed to change and expand as new information becomes available. This section presents toolkits in four areas of focus:

Influenza Vaccination Among Health Care Workers

Introduction

Influenza vaccination of Health Care Workers (HCWs) is an important staff and patient safety issue. The national rate of influenza vaccination of HCWs is approximately 40 percent and widely acknowledged to be unacceptably low. HCWs are at great risk to acquire and transmit influenza to patients, their families, and the community in general. Vaccination decreases the disease burden on HCWs, reduces absenteeism, and helps maintain the health care workforce during influenza epidemics. The Centers for Disease Control and Prevention advocates an aggressive approach to HCW vaccinations.

Influenza vaccination is an annual campaign at most Iowa hospitals. Our evaluation shows that hospitals are very aggressive at administration of the vaccinations through out the facility and the community. At-risk populations are identified and targeted by administration. Accurate tracking mechanisms for estimates of true effectiveness do not exist. This problem has been complicated in recent years by the variable availability of influenza vaccine, forcing rationing.

The Iowa Healthcare Collaborative is encouraging Iowa's hospitals to improve rates of HCW influenza vaccination by participating in a multi-year statewide project. We recognize vaccine availability will have dramatic effects on these numbers, but feel accurate tracking will improve both our effectiveness and the vaccine supply. The employee vaccination target with this measurement technique is 95%.

2007 Reporting Metric



Definitions

Numerator


Denominator


Reporting Period

The reporting period is from October 1st through March 31st of each successive year. The final numerator and denominator values are due to IHC by May 15th following the closing of the reporting period, to be included in the Iowa Report.


Sample Signage Implementation

Immunization of Health Care Workers Toolkit
IHC has created a toolkit that provides guidance, resources, and success stories in the immunization of health care workers.

Surgical Site Infections

Introduction

Surgical Site Infections (SSIs) are the second most common type of adverse event occurring in hospitalized patients.(3) While nationally the rate of SSIs average between 2 and 3 percent for clean cases, an estimated 40-60% of these infections are preventable.(4) A medical record review of 34,133 charts performed under the auspices of the Centers for Medicare & Medicaid Services (CMS) demonstrated a significant opportunity for improvement in SSI prevention.(5) Considerable national attention has been focused on this area through CMS, Joint Commission for Accreditation of Healthcare Organizations, National Quality Forum, and Institute for Healthcare Improvement through the 100,000 Lives Campaign.

IHC is encouraging Iowa's hospitals to decrease SSI rates by participating in a multi-year statewide reporting project. This project aligns with other national initiatives. Participation includes sharing of best practices for effective SSI prevention and the reporting of select SSI rates.

Infection Control Practitioners agreed that the National Nosocomial Infections Surveillance System (NHSN) should be the reporting set to allow national benchmarking. In the beginning of this SSI rate reporting project, hospitals will share SSI rates for a few select procedures. Procedures selected to be reported in the 2007 Iowa Report include: Currently, some Iowa hospitals are monitoring SSI rates under CMS criteria, while others are using NHSN criteria. To include as many Iowa hospitals as possible, this 2007 Iowa Report will allow hospitals to report using either NHSN ICD 9 codes or the CMS ICD 9 codes. These will be presented as separate sections in the Iowa Report.

References:
(3) Brennan, N Engl J Med. 1991; 324:370-376
(4) 2006 IHI Getting Started Kit for Surgical Site Infection
(5) Bratzler, Arch Surg. 2005; 140:174-182

2007 Reporting Metric



Definition

Numerator:


Denominator:


Reporting Period

The reporting period is from October 1st through March 31st of each successive year. The final numerator and denominator values are due to IHC by May 15th following the closing of the reporting period, to be included in the Iowa Report.

Measurement will continue on a monthly basis. Beginning with the 2008 Iowa Report, information will be presented for 12 month reporting periods.


Tricks for Implementation

Central Line Infections

Outcomes measures should be chosen for reporting based on the frequency, severity, and preventability of the outcomes and the likelihood that they can be detected and reported accurately.(2) An outcome measure meeting these criteria mentioned in the HICPAC Report is Central Line Infections (CLI).(2) The specific criteria will be central line-associated, laboratory-confirmed primary bloodstream infections (CLA-LCBI) in intensive care units (ICU).

2007 Reporting Metric



Definitions
Definitions from the National Health Safety Network (NHSN) (previously National Nosocomial Infections Surveillance System or NHSN) will be used.

Numerator:


Denominator:


Central line:


Intensive Care Unit (ICU)


Frequently Asked Questions

GNYHA/UHF Quality Improvement Collaborative
Central Line Associated Bloodstream (CLAB) Infections

These Frequently Asked Questions were developed by the Missouri Department of Health and Human Services in conjunction with CDC.
  1. If a patient in an ICU has a temporary (Quinton) or tunneled (ASHE) hemodialysis catheter, is that device counted as a central line in the central line days? 5/20/2005
    If a line meets the definition, then it is a central line and should be counted. The only exception to this would be an implanted device that is not used. In this situation, the line would only be counted beginning on the first day it is accessed (e.g., physician orders that the port-a-cath be flushed). Then it would be counted every day thereafter.

  2. Do central lines include the following: implantable-ports, non-tunneled TLC, Swan Ganz catheter, tunneled-Broviac, Groshong, Quinton, Hickman, ASHE catheter, PICC, and umbilical lines? If yes, would they be counted in central line days for that unit? 5/20/2005
    Yes to all of the above if they meet the definition. Central lines are not defined by type of device.

  3. Is a dialysis catheter considered a central line since it isn't used for infusion? 5/20/2005
    A dialysis catheter is considered a central line if it meets the definition of a central line. It is used for infusion of the patient's own blood.

  4. Are permanent shunts and balloon pumps considered central lines? 5/20/2005
    Yes, if they meet the definition of a central line. Central lines are not defined by type of device.

  5. If a patient is admitted to the ICU with a central line in place, is it counted in the central line days? 5/20/2005
    It must first be determined if it meets the definition of a central line. If it meets the definition and it is accessed, then it is counted (e.g., a patient is admitted with a central line that is not being used; the physician comes in on day three and flushes the line; the day of the flush is considered the first central line day).

  6. Please clarify the last sentence of the definition for CLAB infection that reads, "If the time interval was longer than 48 hours, there must be compelling evidence that the infection was related to the vascular access device." 5/20/2005
    This means only that if the time interval between the removal of the line and the onset of bloodstream infection (BSI) is greater than 48 hours, the BSI should not be considered central line-associated unless there is evidence that it was related to the device.

  7. What if: a patient had a central line inserted in the ICU; 6 days later the patient has a positive blood culture; and the patient meets the definition for laboratory confirmed bloodstream infection (LCBI). Would this patient be counted as a CLAB infection? 5/20/2005
    If the line was not discontinued, it would be counted as a CLAB. If the line were to be discontinued on day 4 or earlier, it would not be counted as a CLAB.

  8. How do you determine which unit to "credit" with a bloodstream infection (BSI)? E.g., on May 2 patient is in the medical ICU; on May 3 patient is transferred to the coronary ICU; symptoms develop on May 4. Which unit is "credited"? 5/20/2005
    The patient is followed for 48 hours after transfer to another unit. If a BSI develops within that 48 hour period, the original unit is "credited" with the infection.

  9. In the laboratory confirmed bloodstream infection (LCBI) definition, it refers to "appropriate antimicrobial therapy" under Criterions 2 and 3. What is appropriate? 5/20/2005
    This is not defined. If an antibiotic is appropriate for the microorganism identified (e.g., not resistant or used for that microorganism) then it is appropriate.

  10. What should be done if a device-day is not counted? 5/20/2005
    Days should not be skipped. If days are not recorded (say on the weekend), then the staff should be interviewed and charts reviewed to determine what the counts were at the appropriate time.

  11. The following two questions/situations relate to an ICU patient undergoing dialysis: 6/8/2005

    a. A patient with a dialysis catheter is in one of the ICUs under surveillance for CLABs. If this patient's dialysis catheter is only accessed in the dialysis center, are the central line days for this patient counted in the ICU's central line day count?
    No, in this instance, the central line days would not be counted in the ICU central line day count.

    b. A patient with a dialysis catheter is in one of the ICUs under surveillance for CLABs. Someone from the dialysis center comes to the ICU to perform the dialysis. Will the central line days for this patient be counted in the ICU's central line day count?
    Yes, in this instance, the central line days would be counted in the ICU central line day count.


Reporting Period Sample Policies Tricks for Implementation References:
(6) Am J Infect Control 2004; 32:470-85
(7) Horan TC, Gaynes RP. Surveillance of nosocomial infections. In: Hotpital Epidemiology and Infection Control 3rd ed., Mayhall CG, editor. Philadelphia:Lippincott Williams & Wilkins, 2004:1659-1702.

Hand Hygiene

For centuries, hand washing with soap and water has been considered a measure of personal hygiene, but the link between hand washing and the spread of disease has only been established in the last 200 years. Currently, hand hygiene is considered the most important measure for preventing the spread of pathogens in the healthcare setting.

Guidelines Sample Signage Alcohol-Based Hand Rubs Monitoring Techniques Resources



Success Stories



Resources


Articles



Websites





Mentor Hospitals

Mercy Medical Center: Jan Tippett, RN

Iowa Health-Des Moines: Sandy Peno, RN

University of Iowa

Iowa Department of Public Health Iowa Infection Control and Epidemiology Education and Consultation Program District Consultants for 2006



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