Upper GI Bleeding, C40 P254-270 Flashcards
What is it?
P254
Bleeding into the lumen of the proximal
GI tract, proximal to the ligament of
Treitz
What are the signs/symptoms?
P254
Hematemesis, melena, syncope, shock, fatigue, coffee-ground emesis, hematochezia, epigastric discomfort, epigastric tenderness, signs of hypovolemia, guaiac-positive stools
Why is it possible to have
hematochezia?
P254
Blood is a cathartic and hematochezia
usually indicates a vigorous rate of
bleeding from the UGI source
Are stools melenic or melanotic?
P254
Melenic (melanotic is incorrect)
How much blood do you
need to have melena?
P254
>50 cc of blood
What are the risk factors?
P254
Alcohol, cigarettes, liver disease, burn/ trauma, aspirin/NSAIDs, vomiting, sepsis, steroids, previous UGI bleeding, history of peptic ulcer disease (PUD), esophageal varices, portal hypertension, splenic vein thrombosis, abdominal aortic aneurysm repair (aortoenteric fistula), burn injury, trauma
What is the most common
cause of significant UGI
bleeding?
P255
PUD—duodenal and gastric ulcers (50%)
What is the common
differential diagnosis of
UGI bleeding?
P255
- Acute gastritis
- Duodenal ulcer
- Esophageal varices
- Gastric ulcer
- Esophageal
- Mallory-Weiss tear
What is the uncommon
differential diagnosis of
UGI bleeding?
P255
Gastric cancer, hemobilia, duodenal diverticula, gastric volvulus, Boerhaave’s syndrome, aortoenteric fistula, paraesophageal hiatal hernia, epistaxis, NGT irritation, Dieulafoy’s ulcer, angiodysplasia
Which diagnostic tests are useful?
P255
History, NGT aspirate, abdominal x-ray,
endoscopy (EGD)
What is the diagnostic test of
choice with UGI bleeding?
P255
EGD ( >95% diagnosis rate)
What are the treatment
options with the endoscope
during an EGD?
P255
Coagulation, injection of epinephrine
(for vasoconstriction), injection of
sclerosing agents (varices), variceal ligation
(banding)
Which lab tests should be performed?
P255
Chem-7, bilirubin, LFTs, CBC,
type & cross, PT/PTT, amylase
Why is BUN elevated?
P255
Because of absorption of blood by the GI
tract
What is the initial treatment?
P255
1. IVFs (16 G or larger peripheral IVS x 2), Foley catheter (monitor fluid status) 2. NGT suction (determine rate and amount of blood) 3. Water lavage (use warm H(2)O—will remove clots) 4. EGD: endoscopy (determine etiology/ location of bleeding and possible treatment—coagulate bleeders)
Why irrigate in an upper GI bleed?
P256
To remove the blood clot so you can see
the mucosa
What test may help identify the site of MASSIVE UGI bleeding when EGD fails to diagnose cause and blood continues per NGT? P256
Selective mesenteric angiography
What are the indications for
surgical intervention in UGI
bleeding?
P256
Refractory or recurrent bleeding and site
known, >3 u PRBCS to stabilize or
>6 u PRBCs overall
What percentage of patients
require surgery?
P256
≈10%
What percentage of patients
spontaneously stop bleeding?
P256
≈80% to 85%
What is the mortality of acute
UGI bleeding?
P256
Overall 10%, 60–80 years of age 15%,
older than 80 years of age 25%
What are the risk factors for
death following UGI bleed?
P256
Age older than 60 years
Shock
>5 units of PRBC transfusion
Concomitant health problems
PEPTIC ULCER DISEASE (PUD)
What is it?
P256
Gastric and duodenal ulcers
PEPTIC ULCER DISEASE (PUD)
What is the incidence in the
United States?
P256
≈10% of the population will suffer from
PUD during their lifetime!
PEPTIC ULCER DISEASE (PUD)
What are the possible
consequences of PUD?
P256
Pain, hemorrhage, perforation, obstruction
PEPTIC ULCER DISEASE (PUD) What percentage of patients with PUD develops bleeding from the ulcer? P256
≈20%
PEPTIC ULCER DISEASE (PUD)
Which bacteria are associated with PUD?
P256
Helicobacter pylori
PEPTIC ULCER DISEASE (PUD)
What is the treatment?
P257
Treat H. pylori with MOC or ACO 2-week antibiotic regimens: MOC: Metronidazole, Omeprazole, Clarithromycin (Think: MOCk) or ACO: Ampicillin, Clarithromycin, Omeprazole
PEPTIC ULCER DISEASE (PUD) What is the name of the sign with RLQ pain/peritonitis as a result of succus collecting from a perforated peptic ulcer? P257
Valentino’s sign
DUODENAL ULCERS
In which age group are
these ulcers most common?
P257
40–65 years of age (younger than
patients with gastric ulcer)
DUODENAL ULCERS
What is the ratio of male to
female patients?
P257
Men > women (3:1)
DUODENAL ULCERS
What is the most common location?
P257
Most are within 2 cm of the pylorus in
the duodenal bulb
DUODENAL ULCERS
What is the classic pain
response to food intake?
P257
Food classically relieves duodenal ulcer pain (Think: Duodenum = Decreased with food)
DUODENAL ULCERS
What is the cause?
P257
Increased production of gastric acid
DUODENAL ULCERS What syndrome must you always think of with a duodenal ulcer? P257
Zollinger-Ellison syndrome
DUODENAL ULCERS
What are the associated risk factors?
P257
Male gender, smoking, aspirin and other
NSAIDs, uremia, Z-E syndrome,
H. pylori, trauma, burn injury
DUODENAL ULCERS
What are the symptoms?
P257
Epigastric pain—burning or aching, usually
several hours after a meal (food, milk,
or antacids initially relieve pain)
Bleeding
Back pain
Nausea, vomiting, and anorexia
↓ appetite
DUODENAL ULCERS
What are the signs?
P258
Tenderness in epigastric area (possibly),
guaiac-positive stool, melena,
hematochezia, hematemesis
DUODENAL ULCERS
What is the differential diagnosis?
P258
Acute abdomen, pancreatitis, cholecystitis,
all causes of UGI bleeding, Z-E
syndrome, gastritis, MI, gastric ulcer,
reflux
DUODENAL ULCERS
How is the diagnosis made?
P258
History, PE, EGD, UGI series
if patient is not actively bleeding
DUODENAL ULCERS
When is surgery indicated
with a bleeding duodenal ulcer?
P258
Most surgeons use: >6 u PRBC
transfusions, >3 u PRBCs needed to
stabilize, or significant rebleed
DUODENAL ULCERS
What EGD finding is
associated with rebleeding?
P258
Visible vessel in the ulcer crater, recent
clot, active oozing
DUODENAL ULCERS
What is the medical treatment?
P258
PPIs (proton pump inhibitors) or H(2)
receptor antagonists—heal ulcers in
4 to 6 weeks in most cases
Treatment for H. pylori
DUODENAL ULCERS
When is surgery indicated?
P258
The acronym “I HOP”: Intractability Hemorrhage (massive or relentless) Obstruction (gastric outlet obstruction) Perforation
DUODENAL ULCERS
How is a bleeding duodenal
ulcer surgically corrected?
P258
Opening of the duodenum through the
pylorus
Oversewing of the bleeding vessel
DUODENAL ULCERS
What artery is involved with
bleeding duodenal ulcers?
P258
Gastroduodenal artery
DUODENAL ULCERS What are the common surgical options for the following conditions: Truncal vagotomy? P258
Pyloroplasty
DUODENAL ULCERS What are the common surgical options for the following conditions: Duodenal perforation? P259
Graham patch (poor candidates, shock, prolonged perforation) Truncal vagotomy and pyloroplasty incorporating ulcer Graham patch and highly selective vagotomy Truncal vagotomy and antrectomy (higher mortality rate, but lowest recurrence rate)
DUODENAL ULCERS
What are the common surgical options for the
following conditions:
Duodenal obstruction resulting from duodenal
ulcer scarring (gastric outlet obstruction)?
P259
Truncal vagotomy, antrectomy, and
gastroduodenostomy (BI or BII)
Truncal vagotomy and drainage procedure
(gastrojejunostomy)
DUODENAL ULCERS What are the common surgical options for the following conditions: Duodenal ulcer intractability? P259
PGV (highly selective vagotomy) Vagotomy and pyloroplasty Vagotomy and antrectomy BI or BII (especially if there is a coexistent pyloric/prepyloric ulcer) but associated with a higher mortality
DUODENAL ULCERS Which ulcer operation has the highest ulcer recurrence rate and the lowest dumping syndrome rate? P259
PGV (proximal gastric vagotomy)
DUODENAL ULCERS Which ulcer operation has the lowest ulcer recurrence rate and the highest dumping syndrome rate? P259
Vagotomy and antrectomy
DUODENAL ULCERS Why must you perform a drainage procedure (pyloroplasty, antrectomy) after a truncal vagotomy? P259
Pylorus will not open after a truncal
vagotomy
DUODENAL ULCERS Which duodenal ulcer operation has the lowest mortality rate? P259
PGV (1/200 mortality), truncal vagotomy and pyloroplasty (1–2/200), vagotomy and antrectomy (1%–2% mortality) Thus, PGV is the operation of choice for intractable duodenal ulcers with the cost of increased risk of ulcer recurrence
DUODENAL ULCERS
What is a “kissing” ulcer?
P260
Two ulcers, each on opposite sides of the
lumen so that they can “kiss”
DUODENAL ULCERS
Why may a duodenal rupture
be initially painless?
P260
Fluid can be sterile, with a nonirritating
pH of 7.0 initially
DUODENAL ULCERS
Why may a perforated duodenal ulcer present as lower quadrant abdominal pain?
P260
Fluid from stomach/bile drains down
paracolic gutters to lower quadrants and
causes localized irritation
GASTRIC ULCERS
In which age group are these
ulcers most common?
P260
40–70 years old (older than the duodenal
ulcer population)
Rare in patients younger than 40 years
GASTRIC ULCERS
How does the incidence in
men compare with that of women?
P260
Men > women
GASTRIC ULCERS
Which is more common
overall: gastric or duodenal ulcers?
P260
Duodenal ulcers are more than twice as
common as gastric ulcers
(Think: Duodenal = Double rate)
GASTRIC ULCERS
What is the classic pain
response to food?
P260
Food classically increases gastric ulcer
pain
GASTRIC ULCERS
What is the cause?
P260
Decreased cytoprotection or gastric
protection (i.e., decreased bicarbonate/
mucous production)
GASTRIC ULCERS
Is gastric acid production
high or low?
P260
Gastric acid production is normal or low!
GASTRIC ULCERS Which gastric ulcers are associated with increased gastric acid? P260
Prepyloric
Pyloric
Coexist with duodenal ulcers
GASTRIC ULCERS
What are the associated risk factors?
P260
Smoking, alcohol, burns, trauma, CNS
tumor/trauma, NSAIDs, steroids, shock,
severe illness, male gender, advanced age
GASTRIC ULCERS
What are the symptoms?
P260
Epigastric pain
+/- Vomiting, anorexia, and nausea
GASTRIC ULCERS
How is the diagnosis made?
P261
History, PE, EGD with multiple biopsy
looking for gastric cancer
GASTRIC ULCERS
What is the most common location?
P261
≈70% are on the lesser curvature; 5% are
on the greater curvature
GASTRIC ULCERS
When and why should biopsy
be performed?
P261
With all gastric ulcers, to rule out gastric
cancer
If the ulcer does not heal in 6 weeks after
medical treatment, rebiopsy (always
biopsy in O.R. also) must be performed
GASTRIC ULCERS
What is the medical treatment?
P261
Similar to that of duodenal ulcer—PPIs or
H(2) blockers, Helicobacter pylori treatment
GASTRIC ULCERS When do patients with gastric ulcers need to have an EGD? P261
- For diagnosis with biopsies
- 6 weeks postdiagnosis to confirm
healing and rule out gastric cancer!
GASTRIC ULCERS
What are the indications for surgery?
P261
The acronym “I CHOP”:
Intractability
Cancer (rule out) Hemorrhage (massive or relentless) Obstruction (gastric outlet obstruction) Perforation (Note: Surgery is indicated if gastric cancer cannot be ruled out)
GASTRIC ULCERS What is the common operation for hemorrhage, obstruction, and perforation? P261
Distal gastrectomy with excision of the ulcer without vagotomy unless there is duodenal disease (i.e., BI or BII)
GASTRIC ULCERS What are the options for concomitant duodenal and gastric ulcers? P261
Resect (BI, BII) and truncal vagotomy
GASTRIC ULCERS What is a common option for surgical treatment of a pyloric gastric ulcer? P261
Truncal vagotomy and antrectomy
i.e., BI or BII
c What is a common option for a poor operative candidate with a perforated gastric ulcer? P261
Graham patch
GASTRIC ULCERS
What must be performed in
every operation for gastric ulcers?
P262
Biopsy looking for gastric cancer
GASTRIC ULCERS
Define the following terms:
Cushing’s ulcer
P262
PUD/gastritis associated with neurologic
trauma or tumor
(Think: Dr. Cushing = NeuroSurgeon = CNS)
GASTRIC ULCERS
Define the following terms:
Curling’s ulcer
P262
PUD/gastritis associated with major burn
injury (Think: curling iron burn)
GASTRIC ULCERS
Define the following terms:
Marginal ulcer
P262
Ulcer at the margin of a GI anastomosis
GASTRIC ULCERS
Define the following terms:
P262
Dieulafoy’s ulcer
PERFORATED PEPTIC ULCER
What are the symptoms?
P262
Acute onset of upper abdominal pain
PERFORATED PEPTIC ULCER
What causes pain in the
lower quadrants?
P262
Passage of perforated fluid along colic
gutters
PERFORATED PEPTIC ULCER
What are the signs?
P262
Decreased bowel sounds, tympanic
sound over the liver (air), peritoneal
signs, tender abdomen
PERFORATED PEPTIC ULCER
What are the signs of posterior duodenal erosion/perforation?
P262
Bleeding from gastroduodenal artery
and possibly acute pancreatitis
PERFORATED PEPTIC ULCER
What sign indicates anterior
duodenal perforation?
P262
Free air (anterior perforation is more common than posterior)
PERFORATED PEPTIC ULCER
What is the differential diagnosis?
P262
Acute pancreatitis, acute cholecystitis,
perforated acute appendicitis, colonic
diverticulitis, MI, any perforated viscus
PERFORATED PEPTIC ULCER
Which diagnostic tests are indicated?
P262
X-ray: free air under diaphragm or in lesser sac in an upright CXR (if upright CXR is not possible, then left lateral decubitus can be performed because air can be seen over the liver and not confused with the gastric bubble)
PERFORATED PEPTIC ULCER
What are the associated lab findings?
P263
Leukocytosis, high amylase serum
(secondary to absorption into the blood
stream from the peritoneum)
PERFORATED PEPTIC ULCER
What is the initial treatment?
P263
NPO: NGT (↓ contamination of the peritoneal cavity) IVF/Foley catheter Antibiotics/PPIs Surgery
PERFORATED PEPTIC ULCER
What is a Graham patch?
P263
Piece of omentum incorporated into the
suture closure of perforation
PERFORATED PEPTIC ULCER What are the surgical options for treatment of a duodenal perforation? P263
Graham patch (open or laparoscopic) Truncal vagotomy and pyloroplasty incorporating ulcer Graham patch and highly selective vagotomy
PERFORATED PEPTIC ULCER
What are the surgical options
for perforated gastric ulcer?
P263
Antrectomy incorporating perforated
ulcer, Graham patch or wedge resection
in unstable/poor operative candidates
PERFORATED PEPTIC ULCER What is the significance of hemorrhage and perforation with duodenal ulcer? P263
May indicate two ulcers (kissing);
posterior is bleeding and anterior is
perforated with free air
PERFORATED PEPTIC ULCER What type of perforated ulcer may present just like acute pancreatitis? P263
Posterior perforated duodenal ulcer
into the pancreas (i.e., epigastric pain
radiating to the back; high serum
amylase)
PERFORATED PEPTIC ULCER What is the classic difference between duodenal and gastric ulcer symptoms as related to food ingestion? P263
Duodenal = decreased pain
Gastric = increased pain
(Think: Duodenal = Decreased pain)
TYPES OF SURGERIES
Define the following terms:
Graham patch
P264
For treatment of duodenal perforation in poor operative candidates/unstable patients Place viable omentum over perforation and tack into place with sutures
TYPES OF SURGERIES
Define the following terms:
Truncal vagotomy
P264
Resection of a 1- to 2-cm segment of
each vagal trunk as it enters the
abdomen on the distal esophagus,
decreasing gastric acid secretion
TYPES OF SURGERIES What other procedure must be performed along with a truncal vagotomy? P264
“Drainage procedure” (pyloroplasty, antrectomy, or gastrojejunostomy), because vagal fibers provide relaxation of the pylorus, and, if you cut them, the pylorus will not open
TYPES OF SURGERIES
Define the following terms:
Vagotomy and pyloroplasty
P264 (picture)
Pyloroplasty performed with vagotomy to
compensate for decreased gastric emptying
TYPES OF SURGERIES
Define the following terms:
Vagotomy and antrectomy
P265
Remove antrum and pylorus in addition
to vagotomy; reconstruct as a Billroth
I or II
TYPES OF SURGERIES
What is the goal of duodenal
ulcer surgery?
P265
Decrease gastric acid secretion (and fix
IHOP)
TYPES OF SURGERIES What is the advantage of proximal gastric vagotomy (highly selective vagotomy)? P265 (picture)
No drainage procedure is needed; vagal
fibers to the pylorus are preserved; rate
of dumping syndrome is low
TYPES OF SURGERIES
What is a Billroth I (BI)?
P265 (picture)
Truncal vagotomy, antrectomy, and
gastroduodenostomy (Think: BI = ONE
limb off of the stomach remnant)
TYPES OF SURGERIES
What are the contraindica-tions for a Billroth I?
P265
Gastric cancer or suspicion of gastric
cancer
TYPES OF SURGERIES
What is a Billroth II (BII)?
P266 (picture)
Truncal vagotomy, antrectomy, and
gastrojejunostomy (Think: BII = TWO
limbs off of the stomach remnant)
TYPES OF SURGERIES
What is the Kocher maneuver?
P266
Dissect the left lateral peritoneal
attachments to the duodenum to allow
visualization of posterior duodenum
STRESS GASTRITIS
What is it?
P266
Superficial mucosal erosions in the
stressed patient
STRESS GASTRITIS
What are the risk factors?
P266
Sepsis, intubation, trauma, shock, burn,
brain injury
STRESS GASTRITIS
What is the prophylactic treatment?
P266
H(2) blockers, PPIs, antacids, sucralfate
STRESS GASTRITIS
What are the signs/symptoms?
P266
NGT blood (usually), painless (usually)
STRESS GASTRITIS
How is it diagnosed?
P266
EGD, if bleeding is significant
STRESS GASTRITIS
What is the treatment for gastritis?
P266
LAVAGE out blood clots, give a maximum
dose of PPI in a 24-hour IV drip
MALLORY-WEISS SYNDROME
What is it?
P266
Post-retching, postemesis longitudinal
tear (submucosa and mucosa) of the
stomach near the GE junction; approximately
three fourths are in the stomach
MALLORY-WEISS SYNDROME For what percentage of all upper GI bleeds does this syndrome account? P267
≈10%
MALLORY-WEISS SYNDROME
What are the causes of a tear?
P267
Increased gastric pressure, often
aggravated by hiatal hernia
MALLORY-WEISS SYNDROME
What are the risk factors?
P267
Retching, alcoholism (50%), >50% of
patients have hiatal hernia
MALLORY-WEISS SYNDROME
What are the symptoms?
P267
Epigastric pain, thoracic substernal pain,
emesis, hematemesis
MALLORY-WEISS SYNDROME
What percentage of patients
will have hematemesis?
P267
85%
MALLORY-WEISS SYNDROME
How is the diagnosis made?
P267
EGD
MALLORY-WEISS SYNDROME
What is the “classic” history?
P267
Alcoholic patient after binge drinking—
first, vomit food and gastric contents,
followed by forceful retching and bloody
vomitus
MALLORY-WEISS SYNDROME
What is the treatment?
P267
Room temperature water lavage (90% of
patients stop bleeding), electrocautery,
arterial embolization, or surgery for
refractory bleeding
MALLORY-WEISS SYNDROME
When is surgery indicated?
P267
When medical/endoscopic treatment fails
>6 u PRBCs infused
MALLORY-WEISS SYNDROME Can the Sengstaken- Blakemore tamponade balloon be used for treatment of Mallory-Weiss tear bleeding? P267
No, it makes bleeding worse
Use the balloon only for bleeding
from esophageal varices
ESOPHAGEAL VARICEAL BLEEDING
What is it?
P267
Bleeding from formation of esophageal varices from back up of portal pressure via the coronary vein to the submucosal esophageal venous plexuses secondary to portal hypertension from liver cirrhosis
ESOPHAGEAL VARICEAL BLEEDING What is the “rule of two thirds” of esophageal variceal hemorrhage? P268
Two thirds of patients with portal hypertension develop esophageal varices Two thirds of patients with esophageal varices bleed
ESOPHAGEAL VARICEAL BLEEDING
What are the signs/symptoms?
P268
Liver disease, portal hypertension,
hematemesis, caput medusa, ascites
ESOPHAGEAL VARICEAL BLEEDING
How is the diagnosis made?
P268
EGD (very important because only 50% of UGI bleeding in patients with known esophageal varices are bleeding from the varices; the other 50% have bleeding from ulcers, etc.)
ESOPHAGEAL VARICEAL BLEEDING
What is the acute medical treatment?
P268
Lower portal pressure with somatostatin
and vasopressin
ESOPHAGEAL VARICEAL BLEEDING In the patient with CAD, what must you give in addition to the vasopressin? P268
Nitroglycerin—to prevent coronary
artery vasoconstriction that may result
in an MI
ESOPHAGEAL VARICEAL BLEEDING
What are the treatment options?
P268
Sclerotherapy or band ligation via
endoscope, TIPS, liver transplant
ESOPHAGEAL VARICEAL BLEEDING
What is the Sengstaken-
Blakemore balloon?
P268
Tamponades with an esophageal balloon
and a gastric balloon
ESOPHAGEAL VARICEAL BLEEDING
What is the problem with shunts?
P269
Decreased portal pressure, but increased
encephalopathy
BOERHAAVE’S SYNDROME
What is it?
P269
Postemetic esophageal rupture
BOERHAAVE’S SYNDROME
Who was Dr. Boerhaave?
P269
Dutch physician who first described the
syndrome in the Dutch Grand Admiral
Van Wassenaer in 1724
BOERHAAVE’S SYNDROME Why is the esophagus susceptible to perforation and more likely to break down an anastomosis? P269
No serosa
BOERHAAVE’S SYNDROME
What is the most common location?
P269
Posterolateral aspect of the esophagus (on
the left), 3 to 5 cm above the GE junction
BOERHAAVE’S SYNDROME
What is the cause of rupture?
P269
Increased intraluminal pressure, usually
caused by violent retching and vomiting
BOERHAAVE’S SYNDROME
What is the associated risk factor?
P269
Esophageal reflux disease (50%)
BOERHAAVE’S SYNDROME
What are the symptoms?
P269
Pain postemesis (may radiate to the back, dysphagia)
BOERHAAVE’S SYNDROME
What are the signs?
P269
Left pneumothorax, Hamman’s sign, left
pleural effusion, subcutaneous/mediastinal
emphysema, fever, tachypnea, tachycardia,
signs of infection by 24 hours, neck crepitus,
widened mediastinum on CXR
BOERHAAVE’S SYNDROME
What is Mackler’s triad?
P269
- Emesis
- Lower chest pain
- Cervical emphysema (subQ air)
BOERHAAVE’S SYNDROME
What is Hamman’s sign?
P269
“Mediastinal crunch or clicking”
produced by the heart beating against
air-filled tissues
BOERHAAVE’S SYNDROME
How is the diagnosis made?
P269
History, physical examination, CXR,
esophagram with water-soluble contrast
BOERHAAVE’S SYNDROME
What is the treatment?
P270
Surgery within 24 hours to drain the
mediastinum and surgically close the
perforation and placement of pleural
patch; broad-spectrum antibiotics
BOERHAAVE’S SYNDROME What is the mortality rate if less than 24 hours until surgery for perforated esophagus? P270
≈15%
BOERHAAVE’S SYNDROME What is the mortality rate if more than 24 hours until surgery for perforated esophagus? P270
≈33%
BOERHAAVE’S SYNDROME Overall, what is the most common cause of esophageal perforation? P270
Iatrogenic (most commonly cervical
esophagus)