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Pandemic flu: the final frontier
Dr Ratna MakkerConsultant Anaesthetist and Clinical Tutor_
Hemel Hempstead General Hospital
10th May 2007
St Albans Sports Club
GP Connect meeting
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First Anaesthetist : sometimes first and last stop!
• "And the Lord God caused a deep sleep to fall upon Adam, and he slept"Genesis 2.21
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Ghoul
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UK Influenza contingency Plan
• Menon et al (2005) Flusurge.
• 8 week epidemic and 25% attack rate.
• Impact of neuraminidase inhibitors.
• Upgraded all level 2 beds to level 3
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Findings
• >35000 weekly admissions to hosp >5000 daily admissions
• Total mortality >36000• >200% critical care bed
capacity
• Despite antiviral therapy and bed upgrades impact would result in unsustainable occupancy/ resources overwhelmed.
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History of flu
• Hippocrates: 412 BC • At Perinthus (North
Greece)• Italian for influence• Also called grippe
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Copenhagen 1952 Polio epidemic
• Copenhagen: left many patients paralyzed and medical students were allocated to ventilate these patients continuously by hand (due to shortages of tank ventilators).
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Pessimist
• Globalisation• Catastrophic terrorism• Trained staff: absent 25%• Absences 8 days• ICU beds postcode lottery:
asynchronous with need.• Problems: staff and equipment• Space and cost• Number of victims, duration,• O2• Rent additional ventilators• Stockpile (USA Strategic
National Stockpile)• Children
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Great Thinkers
• Trigger factor recognition
• Cancel elective list (dismayed Divisional Director and managers)
• Library of equipment and early mobilisation
• Log non critical care resources
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Lateral Thinker
• Cancel elective lists• Use recovery and
operating theatres to ventilate
• Use Recovery nurses and ODPs
• Log negative impact• Post pandemic period
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Even more laterally
• Can’t apply figures to all situations
• Pop of 100,000 and 150,000 in St Albans.
• Week 5 >900% rise in bed occupancy!
• 54 pts, 23 ventilated• 35% attack rate 84
pts, 36 ventilated
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MMC and MTAS urgent meeting….s
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Solutions
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I C U admission
• Old, confused, hypotensive, tachypnoec, with uraemia.
• CURB 3-5: • pO2 <8 Kpa (fIo2>0.6)• Rising Pco2• Severe acidosis pH<7.26• Septic shock
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So what will we do?
• Close schools• Wear masks• Quarantine• No large gatherings• Make tough decisions• World may change
forever!
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Issues
• A] Micro: Equipment• Personnel• Space• B] Meso: co-
ordination• C] Macro: DOH
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Micro:Equipment HHGH SACH
• 3 theatres +3 Anaesthetic rooms= 6 ventilators• A&E resus= 1 oxylog /4 bays• ITU= PB, 5+2, 1 oxylog= 8 ventilators• Recovery: 4 bays and 1 ventilator• SACH: 5 theatres and 5 anaesthetic rooms: 10
ventilators• ??BUPA Harpenden: 3 theatres and 3
anaesthetic rooms = 5 ventilators• Potentially 30 ventilators/ 36 patient bays
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Micro: Personnel
• ITU nurses• Recovery nurses• Theatre scrub nurses• SCPs• ODPs• Anaesthetists : 13
trainees/ NCCG and 9 FT consultants
• Medical students, Unemployed doctors or official bag squEezers (OBE)
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Micro: Space
• ITU• Theatres• Recovery• A&E• Acute medical ward
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Meso Issues
• Liase with Watford General Hospital
• L&D Hospital• East and North Herts• Cambridge• EBS • etc
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Macro:
• No idea but contingent upon effective coordination
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Questions
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Acknowledgements/ Bibliography
• Diane, Library, HHGH• Dr James Ferguson• Google• Thorax Jan 2007• Anaesthesia 2005• BMC Health• Nurses Sci Q• Biosecurity, Bioterrorism 2006• Journal of Critical Care Sep 2003• Journal of Intensive care 2003• Critical Care Nursing clinics of North America 2007