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Today’s Webinar will begin at noon. 3/27/12. Welcome from Barb DeBaun, RN, MSN, CIC. Introduction. Introduction. Please do not put your phone on hold; use the mute function or *6 Please type questions or comments into text box
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Introduction • Please do not put your phone on hold; use the mute function or *6 • Please type questions or comments into text box • If time permits, we will open up the phone lines at the conclusion of the presentation
Surgical Site Infection after Hysterectomy in Colorado • Heather Young MD • March 27, 2012 WHY WHY WHAT HOW
Objectives • WHY • Public reporting in CA, CO and nationwide • Our SSI problem • WHAT • Pilot and statewide study • HOW • Transfusion and outcomes • Transfusion and immunity • Transfusion at our hospital
Why we started this project WHY WHY WHAT HOW
Public Reporting of HAI Committee to Reduce Infection Deaths 2010
Public Reporting Agencies State CMS NHSN > = < Pay for performance Online hospital comparisons
All orthopedic, cardiac, and GI surgeries including: Colon surgery Rectal surgery Small bowel surgery Gallbladder surgery Appendectomy Gastric surgery Biliary, liver, pancreatic surgeries Hip prosthesis Knee prosthesis Open fracture fixation Laminectomy Spinal fusion Spinal refusion Coronary bypass grafting Cardiac surgery Pacemaker surgery Backer 2011
AUGUST 2007 Coronary artery bypass grafting Partial & total knee replacement Partial & total hip replacement AUGUST 2008 Herniorrhaphy AUGUST 2009 Vaginal hysterectomy Abdominal hysterectomy JANUARY 2012 Colon surgery Breast surgery Reese 2011
Why we started this project WHY What we did and What we found WHAT HOW
Preparation for Reporting Jul-Dec 2006 Jan-Jun 2007 Jul-Dec 2007 Jan-Jun 2008 Jul-Dec 2008 Jan-Jun 2009 NationalRate
Why we started this project WHY What we did and What we found WHAT HOW
Pilot Data, Study Design Single center, retrospective chart review Inclusion: • All patients who had total abdominal hysterectomy (TAH) • Dec 30, 2005, to Mar 9, 2010 • Age ≥ 18 y.o. Exclusion: • Emergent surgery • Surgery for known infection (tubo-ovarian abscess) • No follow-up documented in 30 days after TAH Young 2011
Hypotheses • Do our surgeons adhere to evidence-based guidelines? • Are there other published variables that we should consider for intervention?
Inclusion/Exclusion Young 2011
Patient & Hospital Variables PMHx, PSHx Indication for TAH Length of time in OR Estimated blood loss (EBL) Blood transfusion Concomitant OR procedures Type of skin incision Surgeon ASA score Wound class SCIP measures compliance Olsen 2009; Ahmed 2001; Taylor 1998; Shapiro 1982; Meltomaa 2000; Molina-Cabrillana 2008; Ghezi 2009; Leung 2007; Persson 1996
Appropriate antibiotics PACU arrival temperature ≥36 degrees Antibiotics within 60 minutes of incision Adherence to SSI Bundle Green = SSI Blue = No SSI Composite Young 2011
Selected Variables and SSI Young 2011
Selected Variables and SSI Young 2011
Laboratory Variables Pre-operative creatinine Pre-operative complete blood count Post-operative hemoglobin / hematocrit Microbiology, if applicable Meltomaa 2000
Lab Values and SSI Young 2011
Multivariate Analysis Young 2011
Reasons for Blood Transfusion Young 2011
Discussion • Obesity trends toward significance • Blood transfusion associated with SSI after TAH, especially if EBL <500 mL • Most indications for blood transfusion are subjective and potentially modifiable Young 2011
Strengths & Weaknesses Excellent post-discharge follow-up (99%) Use of standard definitions Single center Relatively small number of infections and transfusions Young 2011
Next Steps • Expand to multicenter • State of Colorado • Survey of infection control nurses • IRB approved at 35 / 51 hospitals that perform TAH 8 still pending at publication 8 declined participation • Colorado Hospitals Association (CHA)
Methods • Survey designed • Website developed, supported by CHA • Emails sent to all infection control nurses at participating facilities • Stipend offered for participation Young 2012
Participants • 6 facilities • 567 subjects entered into database • 20 excluded • 547 subjects analyzed • 10 (1.8%) developed SSI • 35 (6.5%) had blood transfusion Young 2012
Associations with SSI Young 2012
Associations with SSI Young 2012
Stratification Analyses Young 2012
Discussion • Blood transfusion and EBL ≥500 mL continue to be risk factors for SSI across several diverse institutions • Biggest contribution of blood transfusion to SSI was in cases of EBL <500 mL Young 2012
Who is more likely to have SSI? EBL 1200 mL EBL 300 mL pRBC pRBC
How blood transfusions relate to patient outcomes How blood transfusions relate to immune functionHow we changed transfusions in hospital practice (sort of!) WHY WHAT HOW
Beneficial effects Detrimental effects Transfusion-Related Immunomodulation (TRIM) ↑ renal transplant survival ↓ Crohn’s disease flares ↓ miscarriage rate ↑ cancer recurrence ↑ post-operative bacterial infection ↑ mortality Vamvakas 2007
TRIM and Hospital Outcomes Blood transfusions are associated with worse hospital outcomes Especially in patients who are not severely ill or profoundly anemic
Hebert et al 1999 ICU Mortality • 838 patients, multicenter, Canada • Randomized controlled trial • Blood transfusion threshold of Hg 7-9 vs 10-12 in community ICU patients • Outcome: 30-day death
Hebert et al 1999 Received less blood Received more blood
Hebert et al 1999 Received less blood Received more blood
Hebert et al 1999 Received less blood Received more blood
Rao et al 2004 Acute Coronary Syndrome • 24,112 patients, multicenter, international • Observational study • Impact of blood transfusion in patients with ACS • Outcome: 30-day death
Rao et al 2004 OR for 30-day death (by Hct)in patients w/ vs w/o blood transfusion • 24,112 patients, international • Impact of blood transfusion on 30-day death in patients with ACS
Rao et al 2004 OR for 30-day death (by Hct)in patients w/ vs w/o blood transfusion • 24,112 patients, international • Impact of blood transfusion on 30-day death in patients with ACS
Koch et al 2008 Cardiac surgery • Newer vs older blood (<14 vs ≥14 days) • Outcomes: “serious adverse events” and long term survival • Older blood associated with more serious complications and deaths
Koch et al 2008 Death Ventilation Renal failure Sepsis Multiorgan failure Limb ischemia Composite