cusp for vap: evap nhsn vae surveillance definition review
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CUSP for VAP: EVAP NHSN VAE Surveillance Definition Review. Presented by: Kathleen Speck, MPH August 23, 2012 Armstrong Institute for Patient Safety and Quality. CUSP for VAP: EVAP Project Overview. - PowerPoint PPT PresentationTRANSCRIPT
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© The Johns Hopkins University and The Johns Hopkins Health System Corporation, 2011
CUSP for VAP: EVAPNHSN VAE Surveillance Definition ReviewPresented by:Kathleen Speck, MPHAugust 23, 2012 Armstrong Institute for Patient Safety and Quality
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CUSP for VAP: EVAP Project Overview
• NIH/NHLBI and AHRQ funded project– Individual hospitals participate for 3 years,
including 2 year intervention period and 1 year evaluation of sustainability
• Leveraging leaders in field – Armstrong Institute for Patient Safety and
Quality, NIH/NHLBI, CDC, AHRQ, University of Pennsylvania, MHA and HAP
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NIH/NHLBI - National Institutes of Health, National Heart, Lung, and Blood Institute; AHRQ -Agency for Healthcare Research and Quality
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Our Collaborators
– Karol G. Wicker, MHSSenior Director, Quality Policy & AdvocacyMaryland Hospital [email protected]
– Mary Catanzaro RN BSMT CIC Project Manager HAIs Hospital and Healthsystem Association of [email protected]
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Who can join CUSP for VAP: EVAP?
• Participation in the program is available to any facility with mechanically ventilated patients in Maryland and Pennsylvania.
• Hospital participation will be coordinated with state hospital association or hospital engagement network (HEN).
Armstrong Institute for Patient Safety and Quality4
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Learning Objectives
• To become more comfortable with the new VAE surveillance definitions
• To become familiar with a linelist generation tool and workbook developed by Michael Klompas, MD, MPH, FRCPC
Armstrong Institute for Patient Safety and Quality5
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History of NHSN VAE Surveillance Definition
• Current NHSN VAP surveillance definition– Subjective
• Not sensitive or specific1-3
• Requires radiographic findings – often unclear• Requires clinical signs and symptoms• Doesn’t allow accurate validation of success of prevention
strategies4-7
• Doesn’t allow establishment of valid benchmarks
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1. Klompas M, JAMA 20022. Klompas M, Am J Infect Control 20103. Klompas M, et al, Clin Infect Dis 20084. Zilberberg MD, et al, Clin Infect Dis 2010
5. Girard T, et al, Lancet 20086. Strom T, et al, Lancet 20107. The Acute Respiratory Distress Syndrome
Network , N Engl J Med 2000
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Development of new VAE Surveillance Definition
• Working group – 2011– Critical Care Societies Collaborative– American Association for Respiratory Care– Association of Professionals in Infection Control
and Epidemiology– Council of State and Territorial Epidemiologists– Healthcare Infection Control Practices Advisory
Committee’s Surveillance Working Group– Infectious Diseases Society of America– Society for Healthcare Epidemiology of America
Armstrong Institute for Patient Safety and Quality7
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NHSN VAE Definition
• Objective • Streamlined• Potentially automatable• Will define a broad range of conditions and
complications occurring in mechanically ventilated patients
Armstrong Institute for Patient Safety and Quality8
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Which locations should use VAE surveillance?8
• Inpatient – Acute care hospitals– Long term care hospitals– Rehabilitation facilities
• Unit type (examples)– Critical/intensive care units– Specialty care units– Step-down units– Long term care units
Armstrong Institute for Patient Safety and Quality9
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Inclusions and Exclusions for VAE Surveillance in 2012 -20138
• Excluded patients:– < 18 years of age– on high frequency ventilation or extracorporeal
life support• Included patients:
– ≥ 18 years of age– Receiving conventional mode of mechanical
ventilation while prone or while receiving nitric oxide or epoprontenal therapy
– On APRV or related therapy• Use changes in PEEP only
Armstrong Institute for Patient Safety and Quality10
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OTHER VAE ASSOCIATED DEFINITIONS8
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VAE Definition Tiers8
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NHSN Surveillance 2012-2013
• Assessment must take place for all VAE tiers– VAC - Ventilator-associated Condition– IVAC - Infectious Ventilator-associated
Condition– Possible VAP – Possible Ventilator-
associated Pneumonia– Probable VAP – Probable Ventilator-
associated Pneumonia
Armstrong Institute for Patient Safety and Quality13
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VAC Definition Criteria8
• Patient intubated for > 2 calendar days• Baseline stability
– Baseline time period:• The 2 calendar days immediately preceding the
first day of increased daily minimum PEEP or FiO2
– Stability:• The same 2 calendar days with stable or
decreasing daily minimum PEEP or FiO2
Armstrong Institute for Patient Safety and Quality14
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Example - VAC
Armstrong Institute for Patient Safety and Quality15
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Example – no VAC
Armstrong Institute for Patient Safety and Quality16
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Subsequent VAEs
• The time period for a VAE is 14 days– Starts on day 1 of worsening oxygenation– New VAE cannot be reported until 14 day
period has elapsed
Armstrong Institute for Patient Safety and Quality17
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Episode of Mechanical Ventilation
• A period of days during which the patient is mechanically ventilated for at least a portion of each day.
Armstrong Institute for Patient Safety and Quality18
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New Antimicrobial Agent
• Any agent listed in the Appendix of the Device Associated Events: VAE (pages 10-19 through 10-21) that:– Is initiated on or after the third day of mechanical
ventilation AND – is given in the 5 day period defined by
• 2 days before • the day of• the 2 days after
AND– Was not given to the patient on either of the two days
preceding the current start date
Armstrong Institute for Patient Safety and Quality19
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Date of Event
• The date of onset of worsening oxygenation– First calendar day in which minimum PEEP
and FiO2 increases above thresholds in the VAE algorithm
Armstrong Institute for Patient Safety and Quality20
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DETERMINATION OF A VAE
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VAE Outcomes
• VAE = VAC, IVAC, Possible VAP and Probable VAP
• VAC = Significant respiratory deterioration after 2 or more days of stability
• IVAC = VAC + abnormal temp or WBC + ≥ 4 days of new antibiotics
• Possible VAP = IVAC + purulent sputum or positive sputum/BAL culture
• Probable VAP = IVAC + purulent sputum AND positive sputum/BAL culture
Armstrong Institute for Patient Safety and Quality22
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Setting Up a Linelist
Armstrong Institute for Patient Safety and Quality23
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Linelist Generator, developed by Michael Klompas, MD, MPH, FRCPC
• Will help you apply the new CDC VAE criteria• Will automatically flag VAC, IVAC, possible
VAP and probable VAP
Armstrong Institute for Patient Safety and Quality24
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Linelist Definitions
Armstrong Institute for Patient Safety and Quality25
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Steps to generate linelist for VAE
• Begin with “Daily Linelist”• Enter patient identifier, date, daily minimum
PEEP and FiO2 for every ventilated patient for every calendar day the patient spends any time on a ventilator
• Worksheet will automatically flag events that fulfill criteria for VAC
• If a patient is not identified as having VAC, don’t collect any further information for that patient.
Armstrong Institute for Patient Safety and Quality26
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Determination of VAC
• After period of stability or improvement on the ventilator the patient has at least one of these indicators of worsening oxygenation– Daily min FiO2 values increase ≥ 0.20 over
daily min for preceding 2 calendar days– Daily min PEEP values increase ≥ 3 cm H2O
over daily min for the preceding 2 calendar days
Armstrong Institute for Patient Safety and Quality27
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Step 1 – VAC
Armstrong Institute for Patient Safety and Quality28
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Determination of IVAC
• Only look at patients where VAC has been determined
• Enter:– Tmin and Tmax– WBCmin and WBCmax – QAD – Qualifying antibiotic day
• IVAC requires 4 contiguous days of a new antibiotic starting within the 5 days starting 2 days before the onset
Armstrong Institute for Patient Safety and Quality29
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Step 2 - IVAC
Armstrong Institute for Patient Safety and Quality30
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Determination of Possible VAP or Probable VAP
• Only look at patients where IVAC has been determined
• From Sputum of BAL gram stain– Enter
• Polys – polys, neutrophils or WBC (semiquantitative scale)
• Epis – epithelial cells or squamous cells (semiquantitative scale)
• Culture – result• Quantity - threshold (10^5 for endotracheal aspirate,
10^4 for BAL, 10^3 for protected specimen brush). Semi-quantitative equivalent also acceptable. Answer Yes or No.
Armstrong Institute for Patient Safety and Quality31
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Semiquantitative Scale for Polys and Epis
Armstrong Institute for Patient Safety and Quality32
None Enter 0Few, rare, ≤10 cells/lpf Enter 1Moderate, ≥25 cells/lpf Enter 2Many Enter 3Abundant Enter 4
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Step 3 – Possible VAP or Probable VAP
Armstrong Institute for Patient Safety and Quality33
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NHSN Event Report 1st Page (Top) - Patient Information
Armstrong Institute for Patient Safety and Quality34
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NHSN Event Report 1st (Bottom)Page – Event Details
Armstrong Institute for Patient Safety and Quality35
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Next Steps
• If your hospital is participating in this project, you will be receiving– Draft CDC Device-associated Events – VAE
manual– Draft revised VAE reporting form– Dr. Klompas’ worksheet for VAE Linelist
generation• Next week – Q & A on CDC reporting manual
and reporting form
Armstrong Institute for Patient Safety and Quality
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Enrollment
• If your hospital is not participating in the project and you are interested, please contact your hospital association representative
– Karol G. Wicker, MHSSenior Director, Quality Policy & AdvocacyMaryland Hospital [email protected]
– Mary Catanzaro RN BSMT CIC Project Manager HAIs Hospital and Healthsystem Association of [email protected]
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• Questions?
Armstrong Institute for Patient Safety and Quality38
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References
1. Klompas M. Does this patient have ventilator-associated pneumonia? Jama 2007 Apr 11;297(14):1583-93.
2. Klompas M. Interobserver variability in ventilator-associated pneumonia surveillance. Am J Infect Control. 2010 Apr;38(3):239-9. Epub 2010 Feb 19.
3. Klompas M, Kulldorf M, Platt R. Risk of misleading ventilator-associated pneumonia rates with use of standard clinical and microbiological criteria. Clin Infect Dis. 2008 May 1;46(9):1443-6.
4. Zilberberg MD, Shorr AF. Ventilator-associated pneumonia: the clinical pulmonary infection score as a surrogate for diagnostics and outcome. Clin Infect Dis. 2010 Aug 1;51 Suppl 1:S131-5.
5. Girard TC, Kress JP, Fuchs BD, Thomason JW, Schweikert WD, Pun BT, Taichman DB, Dunn JG, Pohlman AS, Kinniry PA, Jackson JC, Canonico AE, Light RW, Shintani AK, Thompson JL, Gordon SM, Hall JB, Dittus RS, Bernard DR, Ely EW. Efficacy and safety of a paired sedation and ventilator weaning protocol for mechanically ventilated patients in intensive care (Awakening and Breathing Controlled trial): a randomized controlled trial. Lancet. 2008 Jan 12;371(9607):126-34.
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References
6. Strom T, Martinussen T, Toft P. A protocol of no sedation for critically ill patients receiving mechanical ventilation: a randomized controlled trial. Lancet. 2010 Feb 6;375(9713):475-80. Epub 2010 Jan 29.
7. The Acute Respiratory Distress Syndrome Network. Ventilation with lower tidal volumes as compared with traditional volumes for acute lung injury and the acute respiratory distress syndrome. N Engl J Med. 2000 May 4;342(18):1301-8.
8. Draft – CDC Device-associated Events VAE, Ventilator-Associated Event.
9. Klompas M. Linelist Generator Workbook. Not published.