gi emergencies and the “on call” call · gi emergencies and the “on-call” call julie yang,...
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GI Emergencies and the “On-Call” Call
Julie Yang, MD, FASGEDirector of Therapeutic Endoscopy
Assistant Professor of Medicine
Montefiore Medical Center
Albert Einstein College of Medicine
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Objectives
• Scenarios of non-emergent, but common calls
• Define the few true emergencies in GI
• How to obtain relevant clinical history for quick decision-making
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QUIZ 1
Are you a “black cloud”?
A) Not been on call yet… yes!B) Was on call, best sleep everC) Was on call, got some calls but didn’t have
to go in… phew!D) Was on call, still have PTSD… my mom
was right, I should have went into derm
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CASE 1
• It’s your first night on-call as a first year GI
fellow (black cloud)
• 5:05pm: your pager starts beeping…
• Is it a GI bleeder?
• A food impaction?
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CASE 1
• Nope, it’s a patient with a prep question:
“Doc, my colonoscopy is tomorrow AM and
I lost my prep instructions. What do I do?”
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Colonoscopy Preps
• Know which preps and dosing your home
institution uses
– 4L PEG: Golytely, Nulytely, Trilyte
– 2L PEG: Halflytely, Moviprep
– Low volume: Suprep, Prepopik
– Off label: Miralax + Gatorade
ASGE guidelines 2015
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Colonoscopy Preps
Split prep vs. AM of dosing?
Diet instructions?◦ Clears
◦ NPO at least 2 hours before
colonoscopy
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CASE 1
• “It’s me again Doc! I just puked up some of
this nasty stuff!”
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Patient Vomiting Prep
• Stop for 30-45 mins, then resume at slower pace
• Keep prep chilled
• Straw to bypass tongue
• Improve palatability
– Adding flavoring (non-red Crystal Light)
– Hard candy (sugar-free menthol candy drops)1
• Consider antiemetic
1Sharara et al. GIE 2013
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CASE 2
• 8pm: you get a page from the ICU
resident…
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“Is this the GI fellow? THANK GOD!!
I have a patient with a GI bleed and my senior
wants you to scope him NOW!!”
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Emergent vs Urgent Endoscopy
• Emergent: “going in tonight!”
– Scope as soon as the pt is stabilized
• Urgent: “see you first thing in AM”
– Usually within 24-48 hours
– Hemodynamically stable
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QUIZ 2Which does not require emergent
endoscopy?
A) 35 yo M with chest pain and spitting up
saliva after eating steak
B) 63 yo F with ascites and vomiting blood
C) 70 yo M on Eliquis with red blood clots per
rectum with stable vitals
D) 85 yo F with abdominal distention and
“coffee bean” shaped loop of colon on KUB
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QUIZ 2Which does not require emergent
endoscopy?
A) 35 yo M with chest pressure and spitting up
saliva after eating steak
B) 63 yo F with ascites and vomiting blood
C) 70 yo M on Eliquis with red blood clots
per rectum with stable vitals
D) 85 yo F with distention and “coffee bean”
shaped loop of colon on KUB
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Indications for Emergent Scope
• Major GI bleeding
• Food impaction
• Acute colonic obstruction
• Unstable cholangitis
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Initial Assessment
• Vitals
• How does the patient look?
• Age, comorbidities
• Multiorgan failure?
• Medications – anticoagulants, immunosupressants
• Risk factors- ETOH, NSAIDs
• Do I need more diagnostic tests?
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On-Call Assessment
• Give specific directions
– What to do in what order…
– Call me back with…
– Call me back if…
• Assess the patient yourself!
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On-Call Assessment- ABCs
Respiratory Status?◦ Can patient tolerate endoscopy?◦ Does the patient need to be intubated? Respiratory distress Massive hematemesis Any altered mental status
Cardiac Disease?◦ Troponins and EKG?
Massive blood transfusion protocol?
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Triage
Where is the patient?◦ Should they be in the ICU?◦ Are they appropriately monitored?◦ Safe for endoscopy and recovery?
Do I need back up?◦ Perforation, ischemia Surgery!◦ Uncontrollable bleed IR!
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CASE 2
• “This is an ETOHic patient who started
vomiting red blood and is hypotensive.
What should we do?”
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Major GI Bleeding
• Varices
• Dieulafoy’s lesion
• Visible vessel
• Bleeding post intervention
(EMR/ESD or sphincterotomy)
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CASE 2• You ask the ICU to:
– Intubate
– Start 2 large bore IVs
– Transfuse blood products
– Start IV PPI, octreotide, antibiotics
– Follow up labs
• EGD is performed at the bedside and bleeding esophageal varices are banded (by your attending)!
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QUIZ 3
Meanwhile, you receive 4 more calls. Which
is an urgent indication for ERCP?
A) cholangitis without sepsis
B) bile leak after liver transplant
C) malignant biliary obstruction
D) gallstone pancreatitis with normalizing LFTs
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QUIZ 3
Meanwhile, you receive 4 more calls. Which
is an urgent indication for ERCP?
A) cholangitis without sepsis
B) bile leak after liver transplant
C) malignant biliary obstruction
D) gallstone pancreatitis with normalizing LFTs
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Emergent ERCP
• When do I contact the ERCP team?
– Unstable ascending cholangitis
• Charcot’s triad = RUQ pain, fever, jaundice
• Reynold’s Pentad
– Hemodynamically unstable
– Mental status changes
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Urgent ERCP (within 48hrs)
• Bile leak post surgery (without a drain)
• Incidence: 2- 25% of liver transplant
• Risk factor for developing biliary stricture1
• Gallstone pancreatitis + Cholangitis
• Reduces mortality [RR 0.2 (95% CI 0.06-0.68), I2=0], systemic [RR 0.37 (95% CI 0.18-0.78), I2=0], andand local complications [RR 0.45 (95% CI 0.20-0.99)] 2
• Gallstone pancreatitis + CBD stone
Maheshwari et al 20071, Tse et al 20122, ASGE guideline 2018
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Biliary Emergency
• Pneumobilia = Air in the biliary tree
– Intact GB?
– Prior ERCP/PTC/surgery?
– Spontaneous biliary-enteric fistula?
Emphysematous
cholecystitis/cholangitis!
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Emphysematous Cholecystitis• Gas forming organism
• Elderly diabetic
• Heralds development of gangrene
and perforation
• Mortality up to 25%
• Under-diagnosed
• Differential ddx
– Portal venous gas = necrotic bowel
– Air more peripheral in liver
• Call surgery!
Lorenz et al 1990
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CASE 3• 11:15pm: you’re about to head home but
you get another page
• “I have a patient here in the ER who has a
giant belly and has not passed stool or flatus
in a week! What should I do?”
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Acute Colonic Obstruction
• Peritoneal signs or symptoms?
– Fever, rigors
– Elevated WBC
– Acute abdomen
• When was the last time stool and/or gas passed?
• What is the diameter of the cecum?
• Surrounding colonic wall edema or abscess?
Low threshold for antibiotics!
> 10cm
Call surgery!
> 6 days?
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Causes of Acute Colonic Obstruction
• Volvulus = “kidney bean sign”
• Torsion obstruction ischemia
– Sigmoid colon You!
– Cecum IR/surgery: cecostomy
• Elderly, institutionalized
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Pseudo-obstruction, Ogilvie Syndrome
• Absence of a mechanical obstruction
• Spontaneous perforation 3-15%
• Conservative management for first 24hrs
– Meds, electrolytes (K, Ca, Mg), mobilization, rectal tube
• Neostigmine (anticholinesterase)
– Bradycardia, asystole, hypotension
• Endoscopic decompression
• Followed by daily PEG
– Decreases relapse (0% vs. 33%, p= 0.04)1
Loftus et al 20021
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Malignant Colonic Obstruction• Primary colon cancer
– Bridge to surgery
• Allows pre-op complete colon evaluation
• Allows time for appropriate staging
• Allows for 1-stage operation
– Palliation
• Secondary from metastases
– Palliation
• Surgery: >10% mortality and >40% morbidity
Colonic
Stent
ASGE guideline 2018
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Colon Stents
• Self-expanding metal stent (SEMS)
• Uncovered
• Fluoroscopy
• Enemas!
• >90% clinical successWatt et al 2007
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QUIZ 4
In which colonic obstruction scenario
would you NOT stent?
A) Metastatic descending colon cancer
B) “Apple-core” sigmoid lesion on CT
C) Metastatic ovarian to the sigmoid
D) Palpable rectal mass on DRE
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QUIZ 4
In which colonic obstruction scenario
would you NOT stent?
A) Metastatic descending colon cancer
B) “Apple-core” sigmoid lesion on CT
C) Metastatic ovarian to the sigmoid
D) Palpable rectal mass on DRE
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Malignant Colonic Obstruction
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CASE 3• You call in your GI team and successfully
place a colonic stent.
• There is immediate gas and stool expulsion
through the stent… you’ve never seen a
more beautiful thing!
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Take-Home Points
Only few true emergencies in GI
Best evaluation is done by YOU!
Who, what, when, where
Communication is key
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Questions?
3am: zzz….