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The SCOTVAN conference the national perspective. Evonne Curran Nurse Consultant Health Protection Scotland. In this presentation. What is (not) available nationally Guidance / Surveillance Organisms, Outbreaks, Environments, Equipment high-infection risks What next!.

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The scotvan conference the national perspective l.jpg

The SCOTVAN conferencethe national perspective

Evonne Curran

Nurse Consultant

Health Protection Scotland


In this presentation l.jpg
In this presentation

  • What is (not) available nationally

    • Guidance / Surveillance

  • Organisms, Outbreaks, Environments, Equipment

    • high-infection risks

  • What next!


National perspective cdi l.jpg
National perspective CDI

  • Clinical definitions

  • Surveillance data

    • National – published rates set targets

    • Local

  • Guidance (national evidence based):

    • To prevent infection

    • To prevent outbreaks

    • To identify outbreaks

    • To stop outbreaks

    • To identify system weaknesses and to optimise systems

  • Science

    • What is happening, strain type, epidemiology



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The secret to this success

  • Single organism causing single infection category (severity may vary)

  • Place of acquisition – usually hospitals (up to 12 weeks)

  • Way in – faecal oral (airborne dissemination)

  • What to do changes little: (antibiotics)

  • Minimal setting specific effect (apart from paeds)

  • Equipment changes little: designing out bugs

  • Environmental standards and environmental monitoring

  • Easy to relate cause to effect

    • Infection - Antibiotics – Diarrhoea – CDI

  • Agreed definitions – easy to use

  • At a time of increasing patient risk


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The risk became clear to the public who were not prepared to accept it (Beck)

  • The public, press and politicians set the agenda for reduction and patient safety


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Infections associated with vascular access accept it

  • Multiple different organisms – difficult to count (locally and nationally)

  • Different types of infections (insertion site, infusate, catheter)

  • Setting specific risks

  • Secondary infections (endocarditis, discitis, septic arthritis)

  • Delayed on-set

  • Not easy to relate cause to effect – lots going on…

  • ‘Lost in the maelstrom of healthcare activity’

  • Whose job is it anyway: practice / infection control / pharmacy / patient safety

  • Pulling forces: safety, function, infection control, time-saving

  • Other competing complications – functioning of device, X-reaction

  • Other similar smaller related issues – invasive devices

  • Complexity ++++++++++


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From a national perspective accept it

  • Surveillance

    • improving local/national data in some settings (renal / ITU) related to some devices

    • Marker organism Staphylococcus aureus

  • Guidance – no comprehensive guidance of what device, when, how, drug administration gaps, no minimum environmental standards


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IV medicines guidance accept it

www.nmc-uk.org/.../nmcStandardsForMedicinesManagementBooklet.pdf


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RCN 2010 accept it



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regular accept it competency checking for staff, regular reviews of training and regular quality control for those aseptic pharmacies that are not licensed

No definition of regular

Healthcare commission 2007



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Data – marker organism accept it

  • Commonest cause of HA-SAB venflons

  • Activities to reduce Vascular Access infections caused by SAB will reduce those caused by CNS and many other organisms


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The bundles (HPS / QIS) accept it

  • PVC

  • CVC

  • CNO supported initiative – reduce SABs


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Sum up national situation accept it

  • Data and guidance need improved

  • No ideal model out there for this complex procedure which is performed by extremely busy people in difficult sub-optimal conditions without environmental standards and quality control

    Quiet areas free from distraction for the preparation of intravenous drugs do not exist in the NHS (Curran 2010)


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United Sates Pharmacopeia (USP) National Formulary, chapter 797

  • Immediate use (1 hour) no more than 2 stabs and simple low risk products

Administration of Immediate-Use CSPs must begin within 1 hour from the start of their preparation; there is no requirement for the duration of administration. http://www.usp.org/audiences/pharmacist/797FAQs.html



The organisms gram positives coagulase negative staphylococci staphylococcus l.jpg
The organisms 797 Gram positives - Coagulase negative staphylococciStaphylococcus

Stick


Gram negatives l.jpg
Gram negatives 797

Grow well in

nutritionally poor solutions

Picture courtesy of CDC


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Yeast: Grow, stick, biofilm, resistance, vulnerable patients 797

Fungal Biofilms and Drug Resistance

Mary Ann Jabra-Rizk,* William A. Falkler,* and Timothy F. Meiller*

EID 2004



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CID 2008 47 Dec 797

The importance of aseptic technique in preventing even low level contamination

33/80 diagnosed 84-421 days post

last exposure


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Pt to Pt transmission of HBV 797

  • 30 papers – 33 outbreaks

  • 471 patients 16 fatalities

  • Transmission pathways

    • 30% MDVs

    • 27% Capillary sampling

      Lanini et al 2009


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3 797

4

10

12/0

4

14/2

10/6

18/6

  • Variables

  • How big a drug

  • Over what time period

13/5

Narayan et al


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The importance of aseptic technique in drug preparation 797

  • The ward ran out of pre made up infusions of hepsal.

  • 2 nurses made up infusions in batches

  • 12 – patients received the infusions

  • 5/12 got a blood stream infection A xylosoidans and or S. marscens

  • 0/6 patients whose infusate was made up by nurse 1 got infection

  • 5/6 patients whose infusate was made up by nurse 2 got infection

  • Of the 5 who were infected

    • 4 who had the infusion in the pm got infected immediately

    • 1 who had infusion in the morning became symptomatic days later

Gordin et al ICHE 2007


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The nurse…… 797

  • The outbreak organism was cultured from a nurse’s artificial fingernail, which the nurse used to open a vial of heparin that was mixed to make the flush solution

Gordin et al ICHE 2007


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Endemic dangers 797

  • 1093 ward prepared infusates found a contamination rate of 0.9%; and two cases of infusate–related bacteraemia (Macias et al., 2008).


Strict asepsis could never be assured in a ward setting zavery et al 2005 3 l.jpg
‘strict asepsis could never be assured in a ward setting’ Zavery et al. (2005: 3).


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Modes of transmission setting’

  • Healthcare worker (HCW) to patient

  • Patient-to-patient via HCW

  • Environment-to-patient due to HCW actions or inactions


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Reported modes of infusate contamination setting’

  • HCW with BBV cuts finger and bleeds into ampoule

  • Contamination and reuse of MDVs BBVs, bacteria and parasites

  • Re-using an administration set on wrong person

  • Splash contamination during prep

  • Non-hub cleaning

  • Contamination of outside of ampoule getting on the inside

  • Illegal tampering of hanging infusates

  • Opening ampoules with a false microbe laden nail

Parker 1995, Al-Saiguel et al 2000, MMWR 2003 Macedo de Oliveria et al 2005

Jain et al 2005, Gillespie et al 2007 Hseush et al 1998 MMWR 2005, 2006, Jain et al 2005, Sacher et al 1991, Ostrowshy 2002

Halkes & Snow 2007 Sitges-serra 1985, 1985 1984 Doit et al 2004 Nasser et al 2004


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Drugs and Duration setting’

  • Propofol

  • Heparin

  • Anything over 12hours

  • (Veber et al. 1994, Bennett et al. 1995, Halkes et al. 2003, Trepanier et al. 2003)

  • (Al-Saigul et al. 2000, Centers for Disease Control 2005, Siegman-Igra et al. 2005, Gershman et al. 2008, Yang et al. 2008, Blossom et al. 2009)


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Ability to grow in nutritionally poor solutions setting’

  • Pseudomonas putida in heparinised saline could survive refrigeration for up to 35 days (Perz et al. 2005)

  • Burkholderia cepacia has the ability to grow in distilled water (Spencer 1995).



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Study of 2,934 PVCs setting’

  • Factors associated with phlebitis

Curran et al 2000


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‘Immediate use’ infusions can be high risk setting’

  • Can be contaminated during preparation

  • Low level contamination can start biofilm formation

  • Higher level contamination will cause IR-BSI

    • as soon as the infusion starts,

    • during the life-time of the infusion

    • or after it has completed

  • Risk increases depending on the drug used, its sterility and the duration of the infusate


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Equipment setting’

  • We need national experts in infection control / pharmacy / clinical practice / MHRA / IRIC to take this agenda forward



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What is the most important bit usage begins

  • Its rarely the ‘gadget’


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Needlefree devices usage begins

  • Prevent needlestick injury

  • Caused increase in CR-BSI (positive and negative valved) Split septum better.

  • Specific clamping – unclamping sequence if not right inadequate surface decontamination MHRA alert 2008


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W.M Jarvis Recommendations usage begins

  • A smooth external septum surface with few if any gaps

  • A tight seal between the septum and the housing to reduce or eliminate space for contamination to occur and biofilm to develop

  • Straight fluid pathway that facilitates flushing and reduces internal surface for biofilm development

  • Little or no dead space in the fluid pathway

  • No moving parts (mechanical valves)

  • Does not require a clamping sequence – (clear message if does)

  • Transparent rather than opaque

  • Leur access with little or no blood reflux

  • Saline flush (not heparin)


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What can we do now usage begins

  • Common purpose – what is most important

    • Avoidance of usage

    • Aseptic technique (needs better defined)

    • Removal ASAP

  • What comes first?

  • What is aseptic technique – should we be using gloves?

  • Work with others to set the national agenda


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Environments usage begins

  • Pose a risk

    • No sink

    • No concurrent procedures

  • Must have minimum environmental standards


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There are fantastic examples out there of clinical experts who are setting and performing the highest clinical standards and achieving optimal safe practice.How do we make this the norm?


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INVASIVE DEVICES who are setting and performing the highest clinical standards and achieving optimal safe practice.

INSERTION

Clinical need

Catheter type

Connections and sundries

Dressing

Care plan

Aseptic techniques

(including antiseptics)

MAINTENANCE

Continuing need assessment

Continuing care assessment

(Insertion site sepsis / infection)

Replacement: dressings,

connections,

administration sets

Flushing +/-

Aseptic techniques

USAGE

Sampling

Administration of drugs

/ fluids / bloods

Drainage

Just in case

Aseptic techniques

Mandatory safety

redundancy checks and

safety steps

Quality assurance and quality control

PVC bundle + invasive device audit


Its still not joined up yet l.jpg

New Equipment who are setting and performing the highest clinical standards and achieving optimal safe practice.

Its still not joined up - yet

Infection

Control

Clinicians

Practice

Development

Clinicians

Patient

Receiving optimal

IV care

Expert

practitioner

Guidance

Procurement

Quality

Improvement

- SPSP

Clinicians

Pharmacy

Clinicians

New Evidence


Slide53 l.jpg

New Equipment who are setting and performing the highest clinical standards and achieving optimal safe practice.

Clinicians

Clinicians

Clinicians

Clinicians

Expert

practitioner

Practice

Development

Infection

Control

Patient

Receiving optimal

IV care

Procurement

Quality

Improvement

- SPSP

Guidance

Pharmacy

New Evidence


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