Risk assessment in UGIB: recent PCI & ACS...Algorithmic approach? PCI/ACS & significant UGIB bleed...
Transcript of Risk assessment in UGIB: recent PCI & ACS...Algorithmic approach? PCI/ACS & significant UGIB bleed...
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Risk assessment in UGIB:
recent PCI & ACS
Dr Martin James PhD FRCP
October 20th 2016
Nottingham Endoscopy Masterclass
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Clinical scenario
65 yr male
Previous smoker, hyperlipidaemia, DM
PCI < 48 hours
Dual antiplatelet therapy & LMWH
Active bleeding – melaena, hypotension,
tachycardia
GBS 12; pre-endo Rockall score 5
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ECG
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Glasgow-Blatchford Bleeding Score
Requires FBC, U&E and basic
clinical assessment
Simple
Ready within 1 hour
Assessed against composite
end-point of:
Clinical intervention
(transfusion, endoscopic
treatment or surgery)
Death 30d
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Rockall et al 1996
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Glasgow-Blatchford Bleeding Score
Stanley Lancet 2009
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Stanley Lancet 2009
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Rockall Score
Risk Score Rebleed % Mortality %
0 5 0
1 3 0
2 5 0.2
3 11 3
4 14 5
5 24 11
6 33 17
7 44 27
8+ 42 41
Rockall et al 1996
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Key questions
How common & what causes GI bleeding after
ACS/PCI?
Efficacy & risks of conservative measures?
Likelihood of therapeutic intervention?
What is the clinical outcome?
Risks associated with endoscopy post ACS?
Should antiplatelets/anticoagulation be stopped?
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Key questions
How common & what causes GI bleeding after
ACS/PCI?
Efficacy & risks of conservative measures
Likelihood of therapeutic intervention?
What is the clinical outcome?
Risks associated with endoscopy post ACS?
Should antiplatelets/anticoagulation be stopped?
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Secondary prevention - evidence
Study Year n Follow up Drugs CVS event Bleeding
COGENT
(dual therapy)
2010 NEJM 3800 6m ASA/Clopi
+Omeprazole
4.9% 1.1%
ASA/Clopi
+placebo
5.7% 2.9%
CHARISMA
(ACS pts)
2010 NEJM 15,600 28m Aspirin 75 7.3% 1.7%
Aspirin 75/
Clopi 75
6.8% 1.3%
OASIS-7
(PCI)
2010 NEJM 25,000 30d Clopi HD/
Aspirin 75
4.2% 2.5%
Clopi LD
/aspirin
4.4% 2.0%
PROFESS
(CVA)
2008 NEJM 20,000 2.5y Aspirin/
dipyridamole
9.0% 4.1%
Clopidogrel 8.8% 3.6%
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Bleeding events post PCI
Koscinas ; Circ Cardiovent Intervent 2015
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Causes of UGIB after ACS/PCI
COMMON (90%):
Peptic ulceration
Gastritis, duodenitis
Oesophagitis
UNCOMMON (10%):
Variceal haemorrhage
UGI malignancy
Dieulafoy Lesion
Mallory Weiss tear
Shalev Int J Cardiol 2012
Ng Am J Gastro 2008
Yachimski Dig Dis Sci 2011
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Key questions
How common & what causes GI bleeding after
ACS/PCI?
Efficacy & risks of conservative measures
Likelihood of therapeutic intervention?
What is the clinical outcome?
Risks associated with endoscopy post ACS?
Should antiplatelets/anticoagulation be stopped?
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Rebleed rates
Rebleed <5 days; PPI alone
11-34%
Rebleed <5 days; following endoscopic therapy
9% in high risk lesion
3% in low risk lesion
Khurooo NEJM 1997
Jung AM J Gastro 2002
Bleau GIE 2002
Bini GIE 2003
Yachimski Dig Dis Sci 2011
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0
20
40
60
80
100
Active
bleeder
NBVV Clot Dot Clean
base
bleeder
7%NBVV
8%
clot
13%dot
23%
Clean base
49%
Stigmata of Bleeding Risks of Re-bleeding and Prevalence
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Key questions
How common & what causes GI bleeding after
ACS/PCI?
Efficacy & risks of conservative measures
Likelihood of therapeutic intervention?
What is the clinical outcome?
Risks associated with endoscopy post ACS?
Should antiplatelets/anticoagulation be stopped?
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Clinical outcomes – UGIB in ACS
Findings in acute severe overt GI bleeding:
Identify bleeding source 90%
Need for endoscopic intervention:
39%
Procedure related mortality 1%
30d mortality in ACS and UGIB 10-33%
Cappell Am J Med 1999
Cappell Dig Dis Sci 2005
Lin Dig Dis Sci 2005
Yachimski Dig Dis Sci 2011
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Haemoglobin targets?
Villaneuva NEJM 2013
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NEJM; VILLANAEUVA NEJM 2013
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TRIGGER STUDY;
Jairath LANCET 2015
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TRIGGER Subgroup analyses – Hb <12 g/dL
Outcome Liberal
(n=383)
Restrictive
(n=257)
Difference and
95% CI
P-value
Ischaemic heart disease
Further bleeding (Day 28) – no. (%)
6/66 (9) 3/46 (7) -2.7 (-20.8 to 15.4) 0.85
Mortality – no. (%) 2/67 (3) 6/49 (12) -10.7 (-9.8 to 31.2) 0.11
Variceal bleeding
Further bleeding (Day 28) – no. (%)
7/51 (14) 4/22 (18) -0.7 (-40.2 to 41.6) 0.73
Mortality – no. (%) 6/55 (11) 1/23 (4) -7.1 (-20.3 to 6.0 0.18
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Anaesthetic Support in Major Upper
Gastrointestinal Bleeding?
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NICE 2012
• Cardio-respiratory support
not specifically addressed
SIGN 2008
• Highlights risk of airway
compromise and need for
appropriately trained staff
but no specific guidelines
regarding use of
anaesthetic support
BSG 2006
• Anaesthetic support
recommended for large
UGIB where there is
depressed LOC or reduced
patient co-operation. Also
considers those who may
be at risk of oversedation
and aspiration pneumonia
Current NUH Algorithm
Initial patient assessment indicates urgent
endoscopy is required
• Exsanguinating (ongoing
haemodynamic compromise after
initial resuscitation)
• Active fresh haematemesis
with haemodynamic compromise
• Risk of airway compromise
(reduced consciousness,
vomiting, agitation,
uncooperative)
• Urgent endoscopy needed out
of office hours
Yes to any
No
Perform endoscopy in
emergency theatre
Stabilise and endoscopy
<12 hours
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Principal recommendations:
• Hospitals must provide 24/7 access to on-site
endoscopy, IR, GI surgery and critical care
anaesthesia
• Patients with major GIB should be discussed
with duty on-call endoscopist within 1 hour
• GIB + haemodynamic instability require OGD
within 2 hours of optimal resuscitation
• Ongoing management of major bleeds rests with
named consultant Gastroenterologist
• Clearly documented re-bleed plans
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Patient Characteristics –
NUH UGIB GA cases 2015
Gender
Male:Female ratio 60:35
Age (years) mean ± SD
Males 59.2 ± 19.1
Females 55.2 ± 28.4
ASA (%)
Grade 1 7.4
Grade 2 10.5
Grade 3 44.2
Grade 4 34.7
Grade 5 3.2
Urgency Code (%)
1 64.2
3 25.3
6 4.2
12 4.2
24 2.1
GBS Score
Yes (%) 17 (18%)
Median (range) 12 (1 – 19)
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Post-OGD complications
• MI: n=5 (5.3%)
• ARF: n=24 (25%)
• Respiratory failure: n=15 (15.8%)
• Heart failure: n= 11 (11.6%)
• Sepsis: n=22 (23.2%)
• Mortality: n=20 (21 %)
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Key questions
How common & what causes GI bleeding after
ACS/PCI?
Efficacy & risks of conservative measures
Likelihood of therapeutic intervention?
What is the clinical outcome?
Risks associated with endoscopy post ACS?
Should antiplatelets/anticoagulation be stopped?
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Risks of endoscopy post ACS/MI
Overall 30%
Mostly self-limiting
Hypotension
arrhythmia
16% evidence of myocardial ischaemia
Procedure related mortality 1%
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Key questions
How common & what causes GI bleeding after
ACS/PCI?
Efficacy & risks of conservative measures
Likelihood of therapeutic intervention?
What is the clinical outcome?
Risks associated with endoscopy post ACS?
Should antiplatelets/anticoagulation be stopped?
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Methods
Patients on aspirin for secondary prophylaxis
Bleeding controlled endoscopically
All had 72h PPI then po pantoprazole 40mg
Randomised to aspirin 80mg or placebo for 8 weeks
RCDBT 2003-2006
Single institution
Follow-up at 30 and 56 days
No Hp eradication
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Primary outcome
Aspirin re-bleeding (n=8):
1 GU/ 7DU
Same site as index bleed
6 within 10 days
Placebo (n=4)
4 DU re-bleeds
(2 others likely re-bleed but
too unwell for OGD)
3 within 10 days
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Secondary Outcomes
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NICE UGIB 2012
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Conclusions
2% ACS/PCI patients have acute UGIB & are high risk
90% will have OGD findings
Mostly UGI ulceration or inflammatory changes
40% require endo therapy
Monitoring & anaesthetic support
Blood transfusion targets?
Post-procedure monitoring & re-bleed plans
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Algorithmic approach? PCI/ACS & significant UGIB bleed
Resuscitate & stabilise
– Hb 10g/L
Risk assess GBS/
Pre-endo Rockall
Upper GI endoscopy
-identify source
-dual endo therapy
Anaesthetic support
and monitoring
Post endoscopy PPI, anti-platelets, monitoring
Close liaison with cardiologists & patient