59 yo Male with Abdominal Pain and SOB - anwresidency.com pancreatitis.pdf · – 59 yo woman,...
Transcript of 59 yo Male with Abdominal Pain and SOB - anwresidency.com pancreatitis.pdf · – 59 yo woman,...
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59 yo Male with
Abdominal Pain and
SOB
Case Conference 3/18/08
Roman Melamed, MD
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History
59 y.o. male with acute onset of severe
constant abdominal pain after eating a
turkey sandwich and some popcorn 1.5 h
prior to presentation to ED
Nausea, vomiting
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PMH
HTN
COPD
Hyperlipidemia
Chronic knee pain
Alcoholism, quit in 1999
Stopped smoking several weeks ago
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Meds
Albuterol
Viagra
Buspar
Zocor
Glucosamine
Naproxen
Ibuprofen
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Exam and Initial Labs
BP 145/86 HR 96 T 99.5
Abdomen distended, diffusely tender to
palpation, negative peritoneal signs
WBC 16 Hgb 13 Hct 41.2 BUN 27Cr 1.1
CO2 27 Ca 7.8 AST, ALT, bili wnl
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Diagnostic Studies
Lipase 13273
Abd. CT: inflammatory changes anterior to
the pancreas
RUQ US: no gallstones. CBD wnl.
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Day 2
Called by RN at 11 pm to evaluate for
respiratory distress
RR 44
SpO2 93% on 95% FiO2 via FM
CXR: LLL infiltrate or atelectasis,
unchanged from the previous study
ABG: 7.28/46/98/21
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Day 3
Persistent respiratory distress despite
Zosyn, nebs, steroids and BiPAP
No response to diuretics
Repeat abd. CT: worsening pancreatitis;
no abscess or necrosis; some ascitis
Paracentesis attempted: minimal return
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Day 3
Creatinine 4.4 K 5.5
Hypotension despite total fluid balance 10
liters positive
WBC 21 Lipase 794 INR 1.4 Ca 5.1 CO2
20
Intubated
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Day 4
Hypotensive
Elevated bladder pressures
OR: severe necrotizing pancreatitis, ischemic colon with areas of full thickness necrosis involving cecum, descending colon, and sigmoid colon.
Procedure: Expl lap, total abdominal colectomy, pancreatic débridement and
end ileostomy
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Day 9
Remains vasopressor dependent
Elevated bladder pressures
Intubated
OR: ongoing fat necrosis and peritonitis from pancreatic fluid with marked necrosis of tissue in the pelvis, pancreas has adjacent black necrotic tissue, central 12 cm of fascia left open to reduce intra abdominal pressure
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Day 18
OR: closure of midline incision and
tracheostomy
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Subsequent Course
Fevers
CRRT
Gradually improved
D/c’d to Bethesda on Day # 54 with
abdominal drains
Several readmissions
2 years later: at home; regular diet; still
with some functional impairment
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Case Presentation #1
Robert Haung, MD
3/18/2008
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59 yo woman with abd pain
• CC- mid epigastric pain.
• MMP
1. Hematemesis- one episode in 2003, EGD
and colonoscopy negative
2. H.O. cholecystectomy
3. Meniere’s disease
4. Hypothyroidism- levothyroxine
5. Hyperlipidemia- niacin
6. Osteoporosis- Fosamax, calcium
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• HPI –– 59 yo woman, presented to OSH with mid epigastric pain
radiating to back. Started 5pm day prior to admission.
– Initially came in waves, now sharp and constant, 6/10 without nausea/vomiting, chest pain or shortness of breath. Feels like previous gallbladder attack
– Not changed by acetaminophen, Tums, or bowel movement.
– No diarrhea/constipation, bloody/black stools/light colored stools.
– No EtoH, herbals, street drugs, sick contacts or travel.
– Went to OSH ER 0200 day of admission
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• Home MedsLevothyroxine, niacin, aspirin, Fosamax, calcium
• EXAM131/69 81 99.7F 20 93% RA
HEENT - normal, no icterusCor - normalChest - mild tenderness inferior right ribsResp - normalAbd - soft, lap chole healed incisions, nontender, no massesBack - no CVA tendernessDerm - normal, no jaundiceNeuro - normal and nonfocal
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• OSH Test Results
Na 141, K 3.6, BUN 16, Cr 1.1
WBC 4.6, Hgb 14.7
Total Bili 1.4, Direct Bili 0.8, Alk phos 121
ALT 694, AST 1267, Amylase 38
UA unremarkable
CT abd/pelvis- very small non-obstructive stone in right kidney, o/w normal
EKG- NSR, no Q waves, ST changes. Possible LAD and LAE o/w normal
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• Assessment/Plan
ABD PAIN - hepatocellular injury
– DDX infection, toxins, obstructive, hepatic
congestion, ischemia, pancreatitis
– NPO, lipase, LFTs, hold niacin, hepatitis
serologies
– Acetaminophen level, INR
• Results
– Lipase 6, acetaminophen 1.5
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Day 2 Day 3 Day 4
• BILIRUBIN,T 3.2 1.3 1.6
• BILIRUBIN,D 2.0 0.6 0.9
• BILIRUBIN,I 1.2 0.7 0.7
• ALK PHOS 85 91 121
• ALT (SGPT) 687 478 414
• AST (SGOT) 473 244 229
• Recurrent midepigastric abd pain day 4
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• GI consult given worsening Tbili, and recurrent pain
• “Episodic abd pain associated with LFT abnormality (improving) in a pt with h/o gallstones suggests choledocholithiasis. If confirmatory evidence on US would proceed to ERCP but EUS if US not helpful before ERCP.”
• US– Cholecystectomy with mild to borderline moderate
dilatation of the common bile duct ranging up to 9 mm in diameter. No intrahepatic bile duct dilatation. If desired, MRCP would be the best test to further evaluate for obstructive process of the common bile duct.
– Moderate diffuse fatty infiltration of the liver.
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• ERCP Day 6– Single small CBD stone
– Successful sphincterotomy and removal of stone
Day 6 Day 7
• BILIRUBIN,T 2.6 1.5
• BILIRUBIN,D 1.5 0.5
• BILIRUBIN,I 1.1 1.0
• ALK PHOS 177 144
• ALT (SGPT) 422 298
• AST (SGOT) 249 123
• Hepatitis serologies negative
• Discharged home Day 7
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Biliary Physiology
• Bile secretion by liver 0.5-1 L per day
• Gallbladder holds 50 mL
– Has capacity to concentrate bile via
electrolyte and water absorption
• CBD diameter 2-4 mm
– 18+ yo patients, fasting, measured by US
– Radiology. 2001;221:411-414
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CBD obstruction
• Intrinsic obstruction
– Gallstones
– Malignancy
– Infection
– Biliary cirrhosis
• Extrinsic obstruction
– Extrinsic compression
• Mass
• Inflammation
• pancreatitis
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Cholangitis
• Charcot’s Triad 50-75%
– Fever
– RUQ pain
– Jaundice
• Reynold’s Pentad
– Confusion
– Hypotension
• Diagnosis
– Abd US
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Cholangitis
• Diagnosis (cont.)
– ERCP
– MRCP
– Blood cultures
• Treatment
– Relieve obstruction
– Antibiotics• Unasyn, Zosyn, Timentin
• Flagyl + ceftriaxone, Flayl + Cipro/Levaquin
• Imipenem, Meropenem, or Ertapenem
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Niacin Toxicity
• Crystalline vs. sustained release
formulations
• Sustained release higher incidence of
hepatotoxicity
• Cases are rare but usually associated with
higher dose >1.5g/day
• Unpredictable onset
– Need to monitor LFTs
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75 yo Female with
Abdominal Pain and
Vomiting
Case conference 3/18/08
Amber Paddock, MD
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HPI
75 yo F admitted to OSH with c/o sudden
onset of severe bilateral upper quadrant
abd pain, radiating to back
nonbloody emesis and 1-2 loose stools.
No clear fever
No hx of similar symptoms
No trauma.
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PMHx
MR s/p Carbomedics ring repair 2000
Chronic afib
HTN
COPD
Hx of intestinal fistula/diverticulitis with
partial bowel resection and ileostomy with
takedown. 2005
Rectocele repair 1999
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MEDS
Warfarin
Digoxin
Diltiazem
Diovan
Toprol XL
Triamterene/HCTZ
Zoloft
Calcium plus D
Evista
Glucosamine
Vit C
Magnesium oxide
Potassium
Protonix daily
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Social and Family Hx
Married, retired
Quit tobacco 1980
Reported 2 drinks per
day, family reports at
least 6 shots per day
Mother and brother
with CVAs
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Exam
148/64, 68, 97.6, 12, 94% RA
Moderate distress
HEAD and NECK: normal
CV: irreg, irreg. systolic murmer, no edema
CHEST: normal
ABD: soft, +BS, diffuse upper abd tenderness without rebound/guarding
BACK: nontender
NEURO: normal
SKIN: normal
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DATA
Lipase 5673, alb 4.4, tbili 1.0, ALT 27, AST 50, alkphos 53
INR 2.5
Sodium 134, K 3.7, bicarb 30,BUN 13, cr 0.7, gluc 148
WBC 12.1, Hemoglobin 14.6, platelet 227
CXR: no free air or infiltrate
EKG: afib, trop negative
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DATA
RUQ US: sludge and innumerable small stones in GB, markedly thickened GB wall at 1.6 cm, mild CBD dilation at 9 mm, no definite obstructing stone, no intrahepatic biliary dilation, pancreas somewhat swollen
CT abd/pelvis with IV con: extensive peripancreatic fluid, no pseudocyst or abscess. Distended GB without biliary dilation. Fluidextending into GB fossa and right pericolic gutter. No bowel distention with prior colon resection.
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Assessment
Acute pancreatitis – likely gallstone,
consider ETOH
Acute cholecystitis – doubt
choledolcholithiasis given LFTs
Elevated AST likely due to ETOH
Coagulopathy on warfarin
Chronic afib
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PLAN
NPO, IVF, pain control, antiemetics
Flagyl and avelox
5 units FFP for anticipated procedures
OSH Surgery consult rec: GI consult, lap
chole when pancreatitis resolved
OSH GI consult rec: consider MRCP
Transfer to Abbott
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Hospital Day 2
Pain improved some
Afebrile, VSS
Lipase 764, tbili 1.4, alkphos 41, ALT 20, AST 41
WBC 6.8, hemoglobin stable, creatinine 0.9, INR
1.9
ANW surgical consult: antibiotics, repeat RUQ US
in am, favor perc cholecystostomy tube rather
than almost certainly open chole
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Hospital Day 3
Dyspneic, abd more distended
Oliguric
ARF - Cr up 2.1, felt contrast nephropathy and ATN
lipase 443, AST 87, ALT 23, tbili 1.8, alkphos 35, INR 1.7
RUQ US: multiple gallstones, GB wall borderline at 2.9 mm with pericholecystic fluid, borderline CBD at 8.9 mm, right pleural effusion, ascites
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Day 3 continued
Transferred to ICU, consult intensivists
Exam: distended with periumbilical and flank ecchymosis. Normal bladder pressure
Stat CT chest/abd/pelvis: bilateral effusions, increased free fluid, marked peripancreatic fat stranding, anasarca, mod dilation small bowel loops, no definite pseudocyst
Assess: hemorrhagic pancreatitis without abdominal compartment syndrome
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Day 4
Right thoracentesis with 450 cc bloody, foamy fluid – 6700 RBC, 2.6 g protein, 1219 amylase, LDH 1644
Cr up to 3.3 -> Renal consulted
Intubated
Distal duodenal tube feeds started at 5 cc/h
Hemoglobin dropped to 9.4
Surgery: nonoperative management
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Day 5
Lipase 84, WBC 6.5, platelets 88, INR 1.3,
bicarb 17, Cr 4.2
Dialysis initiated
Surgery rec perc cholecystostomy tube. IR
unable to place after multiple attempts.
Aspirated 1 cc nonpurulent bile and 10 cc
ascitic fluid
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Day 6-10
All cultures negative
Developed DIC
Repeat CT abd/pelvis with moderate bilateral pleural effusions, anasarca, marked inflammation about pancreas, new large amount hyperdensity in dependent portion on ascites with a hematocrit level, moderately dilated SB loops
Steadily increasing leukocytosis and new fever, increasing FIO2 requirement
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Day 6-10 continued
Dyssynchronous on vent -> atracurium
Pressors started, changed to CRRT
ID consulted -> imipenem
Repeat CT without abscess, likely multiple
pseudocysts, necrotic change of pancreas
Became hypothermic unresponsive to
warming efforts
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Day 6-10 continued
Electrically cardioverted to try to increase
BP without real improvement
Requiring 100% FIO2
Weight up 20 kg since admission
Family conference -> comfort cares.
Extubated and died 7 minutes later
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Acute pancreatitis
Case Conference 3/18/08
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Two Broad Categories
Edematous or mild acute pancreatitis:
self limited disease with minimal organ
dysfunction; mortality < 1%
Necrotizing or severe acute pancreatitis:
mortality 30%
Overall mortality for hospitalized patients
with acute panc is 10% (2-22%)
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Etiology
Alcohol
Gallstones
Trauma
Triglycerides >1000 mg/dL
High Ca++
Congenital ductal abnormalities
Infection
Meds
Malignancy
Vasculitis
idiopathic
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Pathogenesis
Blockade of secertion of pancreatic enzymes while synthesis continues
Generation and release of large amounts of active trypsin within the pancreas
Subsequent activation of more trypsin and other pancreatic enzymes
Pancreatic autodigestion and spread of destruction into the peripancreatic tissue
Failure of pancreatic microcirculation leads to edema and tissue ischemia
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Pathogenesis
SIRS mediated by activated pancreatic enzymes and inflammatory mediators
ARDS
Myocardial depression
Acute renal failure
Metabolic complications (low Ca, high or low BG)
Bacterial translocation from the gut resulting in infection of pancreatic tissue
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Diagnosis
Upper abdominal pain and tenderness; radiates
to the back; relief on bending forward
Nausea, vomiting
Restlessness, agitation
Fever, tachycardia
Dyspnea due to diaphragmatic irritation; pleural
effusions
Shock, coma
Cullen and Grey-Turner signs in 1%
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Labs
Amylase: rises within 6 – 12h, ½ life of 10 h,
relatively nonspecific, returns to normal 3-5 d
Lipase: more specific, rises in 4- 8 h, returns to
normal after 8 – 14 days
Combination doesn’t improve diagnostic
accuracy
Levels of enzymes do not correlate with severity
of disease
ALT > 150 suggests gallstones
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Imaging
US: GB/biliary tree, fluid. poor for pancreas
EUS: CBD stones, head of pancreas
Contrast-enhanced CT: gold standard for dx
pancreatic necrosis, peripancreatic fluid
collections, and for grading
Necrosis may not be fully established for 3 – 4
days – no CT in the first 72 h unless diagnostic
uncertainty
MRI/MRCP-as sensitive as CT, delineates ducts
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Predicting the Severity
Several systems to predict severity to allow
targeted interventions
None ideal or proven consistently accurate
Main predictor: extended pancreatic
necrosis
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Predictors of Severity
Age > 55 – 60
Obesity
Comorbidities
Presence of organ failure
Pleural effusion or pulmonary infiltrates
Scoring systems: low sensitivity and specificity. Limited use.
Ranson, Glasgow: take 48h to complete
APACHE II > or = 8: better predictive values but it is complex and cumbersome to use
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Ranson Criteria
0 hours 48 hours
Age >55
WBC >16
BG >200
LDH >350
AST >250
Hct Fall > 10%
BUN Incr > 5
Ca < 8
pO2 < 60
Based def. > 4
Fluid seq. > 6 L
Ranson, JHC,
Rifkind, KM,
Roses, DF, et al,
Surg Gynecol
Obstet 1974;
139:69.
Ranson factors % Mortality
0 - 2 0.9%
3 - 4 16%
5 - 6 40%
7 - 8 100%
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Glasgow System: 3 or > criteria
within the 1st 48h predict SP
WBC > 15
BG > 180 (no h/o DM)
BUN > 45 with no resp. to IVF
pO2 < 60
Ca < 8
Albumin < 3.2
LDH > 600
AST > 2000
Corfield, AP, Williamson, RCN, McMahon, MJ, et al, Lancet 1985;
24:403
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Grade CT without contrast Score
A Normal pancreas 0
B Focal or diffuse enlarg., contour
irregularity, inhomog. attenuation
1
C Peripancreatic inflammation 2
D Intra- or extrapancreatic fluid collections 3
E 2 or > large collections of gas in
pancreas or retoperitoneum
4
Contrast enhanced CT0 Necrosis, percent 0
<33 2
33-50 4
>50 6
CT severity index: unenhanced CT score plus necrosis score: max
10, 6 = severe disease
Adapted from
Balthazar, EJ,
Robinson, DL,
Megibow, AJ, Ranson,
JH, Radiology 1990;
174:331.
Patients with a CT severity index >5: 8 times more likely to die, 17 times more likely to have a
prolonged hospital course, and 10 times more likely to undergo necrosectomy than pt’s with scores
<5 in a study of 268 pts.(Simchuk EJ; Traverso LW; Nukui Y; Kozarek RA SOAm J Surg 2000 May;179(5):352-5).
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APACHE II
• Can be performed daily
• Decreasing values over 48 hours suggest
mild
• Uses proprietary computer technology
• Large amount of physiologic variables,
age, chronic health
• AGA rec APACHE II, cut off > or = 8
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Treatment
Correction of predisposing factors (early ERCP for gallstones, treat hyperCa++, stop offending drugs)
Supportive care: pain control, IVFs, NPO, oxygen
Mild pancreatitis: recovery within 3 – 7 days
Necrotizing pancreatitis: treatment in ICU or dedicated unit
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Fluid Resuscitation in Severe
Pancreatitis
Patients may accumulate large amounts of
fluid in the injured pancreatic bed
250 – 300 cc/h in the 1st 48h
Fluid depletion may result in more
pancreatic necrosis
Monitor cardiac filling pressures,
hematocrit and UO
Risk of pulmonary edema if ATN present
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Infection
1/3 of patients with pancreatic necrosis develop local infection
Infected necrosis is more common late in clinical course (after 10 days)
Abx prophylaxis should be restricted to patients with 30% or more pancreatic necrosis by CT scan
CT-guided aspiration if infection suspected, deterioration, no improvement in 1 week for culture
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Surgical Treatment
Late (>14 days) surgical debridement associated with lower mortality and morbidity
Viable and non-viable tissues are better defined with delayed approach
Minimally invasive necrosectomy is preferred, especially if pt has hemodynamic or respiratory instability
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Nutrition
Continuous feeding into distal jejunum doesn’t
stimulate exocrine pancreatic secretion
Enteral nutrition helps maintain intestinal barrier
and prevents bacterial translocation
Improved outcomes with enteral when compared
to parenteral nutrition
Parenteral nutrition: for pts who do not tolerate
enteral feeding or nutritional goals can not be
reached
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ERCP
Urgent ERCP (within 24h): pts with GS
pancreatitis and cholangitis
Early ERCP (within 72h): pts with high
suspicion of persistent bile duct stones
Cholecystectomy in all pts. with GS panc
prior to discharge