mvrbc technical advisory committee: jan. 17, 2012 louis m. katz md mississippi valley regional blood...
TRANSCRIPT
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MVRBC
Technical Advisory
Committee: Jan. 17, 2012
Louis M. Katz MD
Mississippi Valley Regional Blood Center
Davenport, IA
Louis M. Katz MDEVP, Medical Affairs
Mississippi Valley Regional Blood CenterAdj. clinical professor, IM/ID, UIHC Carver
College of Medicine
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Premise(s) of blood management
“Blood still kills” Blood still costs money, and transfusion costs much more
Growing evidence supports much more restrictive transfusion strategies than used in most venues
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Why are restrictive triggers appropriate?
primum non nocere SHOTs woefully under-reported Description of putative “new” serious hazards
Pro-inflammatory Immunosuppressive
Large prospective trials (TRICC, TRIPICU, PINT, FOCUS, TRACS) demonstrate outcomes at least as good using restrictive triggers
Positive impact of liberal triggers on functional outcomes not demonstrated in (FOCUS)
Activity costs of transfusion
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Residual risk from RBC transfusion
Carson et al. Submitted. 2012
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Global Red Cell Utilization Rates: 2008-09
Venez
uela
Brazil
Sout
h Afri
ca
Sing
apor
e
Saud
i-Ara
bia
Pola
nd
Hong
Kong
New Z
eala
nd
Canad
a CBS
Canad
a Hem
a-Que
bec
Irela
nd
Spai
n
Nethe
rland
s ²⁾
Croat
ia
Fran
ce
UK NHSB
T ¹⁾
Portu
gal
Austra
lia
Hunga
ryIta
ly
Norway
Japa
n
Finla
nd USA
Swed
en
Austri
a
Belgi
um Fl
ande
rs
Germ
any
0
10
20
30
40
50
60
RBCs
per
1,0
00 P
opul
ation
Source: D Devine et al.: International Forum/Inventory ManagementVox Sanguinis 2009
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TRICC: Primum non nocere?Restrictive (7 gm) Liberal (10 gm)
n=418 % n=420 % p
Mortality
30 day 78 18.7 98 23.3 .11
60 day 95 22.7 111 26.5 .23
Hospital 93 22.2 118 28.1 .05
Length of stay
ICU 11.010.7 11.5 11.3 .53
Hospital 34.8 19.5 35.5 19.4 .58
“A restrictive strategy of red-cell transfusion is at least as effective as and possibly superior to a liberal strategy in critically ill patients.” NEJM. 1999.
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FOCUS results Liberal trigger(n=1007)
Restrictive trigger(n=1009)
Units transfused 1866(97% transfused)
652(41.5%
transfused)
Median units 2 (IQ 1-2) 0 (IQ 0-1)
1 outcome 35.2% 34.7%
60 day mortality 7.6% 6.6%
In-hosp ACS, death 4.3% 5.2%
Readmit, fall, fatigue, function No differences
Carson et a.l. NEJM. 2011
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Costs of surgical RBC transfusion
New Jersey
Rhode Island
Switzerland
Austria
$0 $200 $400 $600 $800 $1,000 $1,200
$248
$203
$194
$154
$1,183
$726
$611
$522Activity-based cost
RBC acquisition cost
Shander et al. Transfusion. 2010.
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Getting the ground ready
Admin and doc buy-in (oh, and trust)
Center Hospital
Clinical people who know their way around medical documentation at the facilities
Access and IT resources Simple (reproducible) data
requirements
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What we have done
Initial pitch(es) to admin and medical in support of conservative transfusion
Confidentiality in writing IT preparation to find the records we
need Record review Data analysis and reporting Multiple presentations of the data Process development to the level
they allow Reaudit (just starting)
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MVRBC RBC trigger audits
• Descriptive manual chart audit of RBC units given. Generally during a single quarter
• Record ordering physician and specialty• Hemoglobin on admission, at time of 1st order
(i.e. “transfusion trigger”) and after transfusion• Documentation of bleeding in medical record• DRG, ICD-9• Hypothesis generating
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108643210
3000
2500
2000
1500
1000
500
0
Units
Number of units ordered for 1st transfusion
16 audits at 14 hospitals(or systems)
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DCPost-1st1st transfusionAdmission
16
14
12
10
8
6
4
Grams
TRICC
9.18.3
10.5 10.6
Hgb in nonbleeding patients during episode of care
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DCAfter 1st1st transfusionAdmission
20
18
16
14
12
10
8
6
4
Grams
FOCUS
12.1
8.4
10.4 10.6
Hemoglobins associated with perioperative transfusions
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9A1413121110A10987654321
14
12
10
8
6
4
2
Grams
TRICC
7.98.4
7.6
8.88.6
7.98.5
8.18.48.5
8.17.77.7
8.18.38.2
Hbg trigger with no bleeding: by hospital
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9A14121110A1098765321
14
12
10
8
6
4
2
Grams FOCUS8.08.0
8.78.5
8.18.4
8.18.68.7
9.1
7.6
8.38.48.8
Hbg trigger for perioperative transfusion: by hospital
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Caveat emptor
Reliable as our ability to find info in the record Confounders (e.g. cardio-respiratory
compromise, severity of illness) not sought (TRICC says don’t matter)
Acuity of intra-operative bleeding hard to assess DRG/ICD-9 numbers too small for real analysis Denominators can be hard to get, especially for
inter-hospital comparisons Retrospective, manual audits
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AIM-II software: “concurrent”, automated audits
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AIM-II software
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Conclusions
Transfusion in acute hemorrhage best left to judgment at the bedside consensus guidelines
91% of non-bleeders transfused above TRICC
76% with operative bleeding transfused above FOCUS
Attention to non-bleeding & periop patients with an emphasis on EBM will reduce RBC use
Discharge hemoglobin levels suggest that an emphasis on single unit transfusions will be useful
Reduction = direct $$ and clinical savings
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Barriers
Lack of basic training in transfusion medicine at all levels
“This is how Dr. Osler taught me to do it…”
“My patients are sicker…” “I’ve never seen TRALI…”
Resources for real-time decision support and intervention
Process IT support (including AIM-II?) Clinical (“real docs”) champions
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Barriers
Hospital-acquired infections Falls Med errors Readmissions etc., etc.… ad
nauseum. This is about getting on the
priority menu for resources (people and time)
(TJC was supposed to fix this)