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Pennsylvania Department of Pennsylvania Department of Health - - PDF document

Pennsylvania Department of Pennsylvania Department of Health (PADOH) CLABSI, CLABSI, Health (PADOH) CAUTI, and SSI Audit CAUTI, and SSI Audit Mary Andrus, BA, RN, CIC Mary Andrus, BA, RN, CIC Infection Preventionist Consultant


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SLIDE 1

Mary Andrus, BA, RN, CIC Mary Andrus, BA, RN, CIC Infection Preventionist Consultant Infection Preventionist Consultant APIC CONSULTING SERVICES, INC. APIC CONSULTING SERVICES, INC.

Pennsylvania Department of Pennsylvania Department of Health (PADOH) Health (PADOH) – – CLABSI, CLABSI, CAUTI, and SSI Audit CAUTI, and SSI Audit

Provisional CLABSI Results Provisional CLABSI Results Provisional CLABSI Results Provisional CLABSI Results

A total of 120 records were reviewed

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SLIDE 2

Provisional CLABSI Results Provisional CLABSI Results

Auditors reviewed 23 patients that had been reported to NHSN

Provisional CLABSI Results Provisional CLABSI Results

Bloodstream infections that were reported by hospitals and confirmed by auditors

Provisional CLABSI Results Provisional CLABSI Results

Bloodstream infections that were reported by hospitals and not confirmed by auditors

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SLIDE 3

Provisional CLABSI Results Provisional CLABSI Results

Total number of positive blood cultures reviewed by audit.

Provisional CLABSI Results Provisional CLABSI Results

Bloodstream infections that were identified as CLABSI by audit but were not reported to NHSN

Provisional CLABSI Results Provisional CLABSI Results

Positive blood cultures that were not identified as CLABSI by audit and were not reported by the hospital to NHSN

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SLIDE 4

CLABSI Misreported Cases CLABSI Misreported Cases

  • Under-reported (5)

– 3 cases were not reported because the hospital identified the BSI as secondary to another infection. In each case, the criteria for the primary infection were not met – 2 cases were missed by the hospital

  • Over-reported (4)

– 2 cases were reported as a primary BSI (CLABSI) when criteria for an infection at another site with the same organism was identified by the auditor – 1 case was reported by the hospital, but it appears to be associated with a CLABSI on an earlier date – 1 case was reported as CLABSI, but no corresponding blood culture was identified by the auditor

Laboratory Laboratory-

  • confirmed Bloodstream Infection (LCBI)

confirmed Bloodstream Infection (LCBI)

  • Notes about Criterion 1

Notes about Criterion 1

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SLIDE 5

Common commensal

Diphtheroids (Corynebacterium spp.) Bacillus spp. (not B.anthracis) Proprionibacterium spp. Coagulase-negative staphylococci (including

  • S. epidermidis)

Viridans group streptococci Aerococcus spp. Micrococcus spp.

Laboratory Laboratory-

  • confirmed bloodstream infection

confirmed bloodstream infection (LCBI) (LCBI)

  • commensal

Two or more blood cultures on separate occasions Two or more blood cultures on separate occasions

“Two or more blood cultures drawn on separate occasions” means 1.Blood from at least 2 blood draws were collected within two days of each other and 2.At least one bottle from each draw is reported as having grown the same common commensal

“ “Sameness Sameness” ” of organism

  • f organism
  • !"
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SLIDE 6

“ “Sameness Sameness” ” of organism

  • f organism
  • #

##

  • Blood Culture Specimen Collection

Blood Culture Specimen Collection

## ##

  • $##
  • #

% &#

  • ##
  • Common

commensals

Diphtheroids (Corynebacterium spp.) Bacillus spp. (not B.anthracis) Proprionibacterium spp. Coagulase-negative staphylococci (including

  • S. epidermidis)

Viridans group streptococci Aerococcus spp. Micrococcus spp.

Laboratory Laboratory-

  • confirmed bloodstream infection

confirmed bloodstream infection (LCBI) (LCBI)

  • commensal
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SLIDE 7

CDC/NHSN Surveillance Definition of Healthcare CDC/NHSN Surveillance Definition of Healthcare-

  • Associated Infection and Criteria for Specific Types of

Associated Infection and Criteria for Specific Types of Infections in the Acute Care Setting Infections in the Acute Care Setting

This chapter contains the CDC/NHSN surveillance definition of healthcare- associated infection (HAI) and criteria for all specific types of HAI. These criteria include those for the “Big Four” infection types (surgical site infection [SSI], pneumonia [PNEU], bloodstream infection [BSI] and urinary tract infection [UTI]),

  • utlined in earlier chapters of this manual, as well as criteria for other types of
  • HAI. Of particular importance, this chapter provides further required criteria for the

specific event types that constitute organ/space SSIs (e.g., mediastinitis [MED] that may follow a coronary artery bypass graft, intra-abdominal abscess [IAB] after colon surgery). Additionally, it is necessary to refer to the criteria in this chapter when determining whether a positive blood culture represents a primary BSI or is secondary to a different type of HAI. A BSI that is identified as secondary to another site of infection must meet one of the criteria of HAI detailed in this chapter. Secondary BSIs are not reported as separate events in NHSN, nor can nor should they be associated with a central line.

Secondary BSI Secondary BSI

  • A culture-confirmed BSI associated with a documented

HAI at another site

  • If a primary infection is cultured, the Secondary BSI must

yield culture of same organism as the primary HAI site

Example: Mrs. Jones has a fever and grows E. coli in her urine (>100,000 col/cc) and in her blood. She has both a femoral central line and an indwelling urinary catheter. A CAUTI (SUTI) is reported with a secondary BSI. Example: Mr. Smith grows A. baumanii in his surgical wound which is resistant to amikacin and levofloxin but sensitive to other tested

  • antimicrobials. He is also growing A. baumanii in his blood, but it is

susceptible to amikacin. The SSI is reported with a secondary BSI. W h e n d e t e r m i n i n g i f a b l

  • d

s t r e a m i n f e c t i

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l y m a t c h a t t h e g e n u s / s p e c i e s l e v e l f

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s i t e .

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SLIDE 8

Secondary BSI (cont.) Secondary BSI (cont.)

  • If an infection is identified and no culture is used to meet

the infection criteria and a blood culture is positive, then the first infection is considered primary and the bloodstream infection is reported as secondary. The

  • rganism cultured from the blood is reported as the
  • rganism for the primary site.

Example: 6 days postoperatively, Miss Green has an abdominal abscess, confirmed by CT scan. On the same day, her blood is drawn and grows Bacteroides fragilis. The infection is reported as an SSI-GIT (organ space SSI) with a secondary BSI. The organism is reported as B. fragilis

Positive blood culture Does patient meet the criteria for HAI at another site? (If infection is CA, or if NHSN criteria for the specific site HAI has not been met, answer “No”.)

No Yes

CA or HA Is blood isolate a common pathogen for this site?

HA CA

This CA infection with secondary BSI is not reported through NHSN nor is the BSI. Primary BSI

No Yes

Site infection with secondary BSI Primary BSI

QUESTIONS? QUESTIONS?

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SLIDE 9

CAUTI CAUTI

Provisional CAUTI Results Provisional CAUTI Results Provisional CAUTI Results Provisional CAUTI Results

Total number of records reviewed

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SLIDE 10

Provisional CAUTI Results Provisional CAUTI Results

Auditors reviewed a total of 38 patients that were reported to NHSN by the hospitals as CAUTI

Provisional CAUTI Results Provisional CAUTI Results

CAUTIs that were reported by hospitals and confirmed by auditors

Provisional CAUTI Results Provisional CAUTI Results

CAUTIs that were reported by hospitals and not confirmed by

  • auditors. These are
  • ver-reported cases
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SLIDE 11

Provisional CAUTI Results Provisional CAUTI Results

Total number of unreported positive urine cultures reviewed by audit

Provisional CAUTI Results Provisional CAUTI Results

Urine cultures that were identified as CAUTI by auditors. This is an under- reported case.

Provisional CAUTI Results Provisional CAUTI Results

Positive urine cultures that were not identified as CAUTI by audit and were not reported by the hospital

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SLIDE 12

CAUTI Misreported Cases CAUTI Misreported Cases

  • One case was under-reported. The hospital

indicated that the UTI was pre-existing, but the evidence does not support this

  • 12 cases were over-reported

– 4 patients were reported as CAUTI when no indwelling catheter was in place – 4 patients were reported as CAUTI, but patients were asymptomatic – 1 patient was asymptomatic and there was no culture on the date CAUTI reported – 2 patients had no urine culture on the target date – UTI on this date is not a new UTI, but an extension of a previous CAUTI

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SLIDE 13
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SLIDE 14

Patient with or without an indwelling urinary catheter

Patient of any age None of the following:

  • Fever (>38°C)
  • Urgency
  • Frequency
  • Dysuria
  • Suprapubic pain
  • Costovertebral angle pain or

tenderness Patient ≤ 1 year of age None of the following:

  • Fever (>38°C Core)
  • Hypothermia (<36°C)
  • apnea
  • bradycardia
  • lethargy
  • Vomiting

A positive urine culture of ≥105 CFU/ml with no more than 2 species of microorganism A positive blood culture with at least 1 matching uropathogen microorganism to the urine culture

Asymptomatic Bacteremic Urinary Tract Infection (ABUTI)

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SLIDE 15

CAUTI CAUTI Criteria

Criteria Provisional SSI Results Provisional SSI Results

* Differences in Specific Event not considered

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SLIDE 16

Provisional SSI Results Provisional SSI Results

*

* Differences in Specific Event not considered

A total of 240 records were reviewed

Provisional SSI Results Provisional SSI Results

* Differences in Specific Event not considered

70 patients were reported as having SSI by the hospital

Provisional SSI Results Provisional SSI Results

* 60 of the SSI cases reported by hospitals were also identified as SSI by the audit

* Differences in Specific Event SSI not considered

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SLIDE 17

Provisional SSI Results Provisional SSI Results

10 of the SSI cases reported by hospitals did not meet SSI criteria during the audit

* Differences in Specific Event SSI not considered

Provisional SSI Results Provisional SSI Results

* Differences in Specific Event are identified as “No SSI”

When the Specific SSI Event was evaluated, only 42/70 matched

Provisional SSI Results Provisional SSI Results

*

* Differences in Specific Event are identified as “No SSI”

28/70 records reviewed were either over-reported

  • r reported an

incorrect Specific SSI Event

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SLIDE 18

Provisional SSI Results Provisional SSI Results

* Differences in Specific Event are identified as “No SSI”

170 operative procedures were reviewed in cases where an SSI was not reported

Provisional SSI Results Provisional SSI Results

* Differences in Specific Event are identified as “No SSI”

4/170 were identified as SSI by the auditor (under-reported)

Provisional SSI Results Provisional SSI Results

* Differences in Specific Event are identified as “No SSI”

166/170 were not identified as SSI and were correctly not reported to NHSN

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SLIDE 19

SSI Misreported Cases SSI Misreported Cases

  • Under-reported (4)

– 1 not reported because case was infected at the time of surgery – 3 cases were missed (undetermined)

  • Over-reported (10)

– 1 reported case should have been associated with a different surgery date – 8 cases were reported to NHSN where event criteria for SSI were not met – 1 case reported as DIP was actually SIP, but it was >30 days so should not have been counted

Discrepancies to SSI Specific Events Discrepancies to SSI Specific Events

Hospital Determination Auditor Determination Number of Cases SIP DIP 4 SIP Organ/Space 1 SIP DIS 1 SIS DIS 1 DIP Organ/Space 5 DIP DIS 1 Organ/Space SIP 1 Organ/Space DIP 1 Organ/Space Organ/Space (different O/S) 2

SSI Definitions SSI Definitions

Horan TC, Gaynes RP, Martone WJ, Jarvis WR, Emori TG. CDC definitions of nosocomial surgical site infections, 1992: a modification of CDC definitions of surgical wound infections. Infect Control Hosp Epidemiol 1992;13(10):606-8.

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SLIDE 20

Superficial Incisional SSI Superficial Incisional SSI Deep Incisional SSI Deep Incisional SSI DIP and DIS DIP and DIS

Deep incisional primary (DIP) A deep incisional SSI that is identified in the primary incision in a patient that has had an operation with

  • ne or more incisions

(e.g., C-section incision or chest incision for coronary artery bypass graft with a donor site [CBGB]) Deep incisional primary (DIP) A deep incisional SSI that is identified in the primary incision in a patient that has had an operation with

  • ne or more incisions

(e.g., C-section incision or chest incision for coronary artery bypass graft with a donor site [CBGB]) Deep incisional secondary (DIS) A deep incisional SSI that is identified in the secondary incision in a patient that has had an

  • peration with more than
  • ne incision (e.g., donor

site [leg] incision for coronary artery bypass graft with a donor site [CBGB]) Deep incisional secondary (DIS) A deep incisional SSI that is identified in the secondary incision in a patient that has had an

  • peration with more than
  • ne incision (e.g., donor

site [leg] incision for coronary artery bypass graft with a donor site [CBGB])

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SLIDE 21

Organ/Space SSI Organ/Space SSI

Specific event types that must be used to differentiate

  • rgan/space SSI

BONE Osteomyelitis JNT Joint or bursa BRST Breast abscess/mastitis LUNG Other infections of respiratory tract CARD Myocarditis/ pericarditis MED Mediastinitis DISC Disc space ORAL Oral cavity EAR Ear, mastoid OREP Other respiratory EMET Endometritis OUTI Other urinary ENDO Endocarditis SA Spinal abscess EYE Eye, other than conjunctivitis SINU Sinusitis GIT GI tract UR Upper respiratory IAB Intraabdominal, NOS VASC Arterial or venous IC Intracranial VCUF Vaginal cuff

Organ/Space SSI Organ/Space SSI

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SLIDE 22

Denominator for Procedure Denominator for Procedure – – Wound Class Wound Class

C = Clean CC = Clean Contaminated CO = Contaminated D = Dirty U = Unknown Wound class is an assessment of the likelihood and degree of contamination

  • f a surgical wound at the

time of the operation

Wound Class Wound Class

Clean

Uninfected wound with no inflammation Respiratory, alimentary, genital or uninfected urinary tract are not entered Primarily closed Closed drainage, if needed

Clean-Contaminated

Respiratory, alimentary, genital, or urinary tracts entered under controlled conditions and without unusual contamination Include operations on biliary tract, appendix, vagina, oropharynx if no evidence of infection or major break in technique

Wound Class Wound Class

Contaminated

Open, fresh, accidental wounds Major breaks in sterile technique or gross spillage from the GI tract Includes incisions into acute, nonpurulent inflamed tissues

Dirty

Old traumatic wounds with retained devitalized tissue Wounds involving existing clinical infection or perforated viscera

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SLIDE 23

Procedure Details Procedure Details – –Duration Duration

Duration: Record the hours and minutes between the skin incision and skin closure. Do not record anesthesia time! Duration: Record the hours and minutes between the skin incision and skin closure. Do not record anesthesia time!

Additional Rules about Duration Additional Rules about Duration

  • If more than one NHSN operative procedure is done

through the same incision during the same trip to the OR, create a record for each procedure and use the total time for the duration of both

Example: Mr. Jones goes to the OR and has a coronary artery bypass graft with a [leg] donor site (CBGB) and also a mitral valve replacement (CARD). The time from the first incision until skin closure is 5 hours. A Denominator for Procedure record is completed for the CBGB and another for the CARD. The duration for each is recorded as 5 hours and 0 minutes. Example: Mr. Jones goes to the OR and has a coronary artery bypass graft with a [leg] donor site (CBGB) and also a mitral valve replacement (CARD). The time from the first incision until skin closure is 5 hours. A Denominator for Procedure record is completed for the CBGB and another for the CARD. The duration for each is recorded as 5 hours and 0 minutes. March 11-12, 2009

  • If the patient goes to the OR more than once during the

same admission and another procedure is performed through the same incision within 24 hours of the original incision, report the combined duration of operation for both procedures

Example: Fred Smith had a small bowel resection (SB) done on Tuesday morning which had a duration of 3 hours and 10 minutes. On Tuesday evening, he was returned to the OR where an exploratory laparotomy was done through the same incision to repair a leaking anastamosis. The cut time for this surgery was 1 hour and 10 minutes. Report only one procedure – SB combining the two durations. The duration reported is 4 hours and 20 minutes Example: Fred Smith had a small bowel resection (SB) done on Tuesday morning which had a duration of 3 hours and 10 minutes. On Tuesday evening, he was returned to the OR where an exploratory laparotomy was done through the same incision to repair a leaking anastamosis. The cut time for this surgery was 1 hour and 10 minutes. Report only one procedure – SB combining the two durations. The duration reported is 4 hours and 20 minutes

Additional Rules about Duration Additional Rules about Duration

March 11-12, 2009

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SLIDE 24

Denominator for Procedure Denominator for Procedure – – ASA Class ASA Class

ASA Class: An assessment score by the anesthesiologist of the patient’s preoperative physical condition using the American Society of Anesthesiologists Classification

  • f Physical Status schema

ASA Class: An assessment score by the anesthesiologist of the patient’s preoperative physical condition using the American Society of Anesthesiologists Classification

  • f Physical Status schema

ASA Class ASA Class

  • 1. Normally healthy patient
  • 2. Patient with mild systemic disease
  • 3. Patient with severe systemic disease

that is not incapacitating

  • 4. Patient with an incapacitating systemic

disease that is a constant threat to life

  • 5. Moribund patient who is not expected

to survive for 24 hours with or without

  • peration
  • 1. Normally healthy patient
  • 2. Patient with mild systemic disease
  • 3. Patient with severe systemic disease

that is not incapacitating

  • 4. Patient with an incapacitating systemic

disease that is a constant threat to life

  • 5. Moribund patient who is not expected

to survive for 24 hours with or without

  • peration

March 11-12, 2009

NHSN Basic Risk Index NHSN Basic Risk Index

The patient’s SSI risk category is simply the number of these factors present at the time of the operation

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SLIDE 25

SSI Rate SSI Rate

* Stratify by:

  • Type of

NHSN

  • perative

procedure

  • Basic NHSN

Risk Index

SSI Rates have been moved to the “advanced” section of the

  • utput options. Note that while these options are available, you

will only be able to obtain your facility’s SSI rates Comparison to the previously-published NHSN pooled means will no longer be available

2008 NHSH Report 2008 NHSH Report – – SSI Rates SSI Rates

Standardized Infection Ratio (SIR) Standardized Infection Ratio (SIR)

  • The new SSI SIRs use risk adjustment

calculated through logistic regression modeling

  • Allows for all available risk factors to be

considered

  • Each risk factor’s “weight” will vary according to

its significant contribution to the risk for that SSI

  • For all NHSN procedures, the models predicted

SSI risk better than the basic risk index

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SLIDE 26

Predictive Risk Factors Predictive Risk Factors

NHSN Operative Procedure Risk Factor(s) – All SSIs

AAA Duration CBGB/C Age, ASA, duration, gender, number of beds* COLO Age, anesthesia, ASA, duration, endoscope, medical school affiliation*, number of beds*, wound class FUSN Approach, ASA, diabetes, duration, medical school affiliation*, spinal level, trauma, wound class HPRO Age, anesthesia, ASA, duration, HPRO type, number of beds* trauma HYST Age, anesthesia, ASA, duration, endoscope, number of beds* KPRO Age, anesthesia, ASA, duration, gender, KPRO type, number of beds*, trauma

LAM Anesthesia, ASA, duration, endoscope PVBY Age, ASA, duration, gender, medical school affiliation* RFUSN Approach, diabetes, duration VSHN Age, medical school affiliation*,number of beds*, wound class

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SLIDE 27

Overall SSI SIR Overall SSI SIR

  • During 2009, there were 524 procedures performed and

13 SSIs identified.

  • Based on the NHSN 2006-2008 baseline data, 6.687 SSIs

were expected.

  • This results in an SIR of 1.94 (13/6.687), signifying that

during this time period our facility identified 94% more SSIs than expected.

  • The p-value and 95% Confidence Interval indicate that the

number of observed SSIs is significantly higher than the number of expected SSIs.

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SLIDE 28