acute abdominal infections presentation 1209102520194201 9
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8/3/2019 Acute Abdominal Infections Presentation 1209102520194201 9
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Acute Abdominal
Infections
Ana Corona, FNP-StudentUniversity of Phoenix
2002
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Acute Abdominal Infections
Abdominal infections can be minor or lifethreatening.
70% of diagnoses can be made based on
history alone.
90% of diagnoses can be made based on
history and physical exam. Expensive tests often confirm what is
found during the history and physical.
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The Abdominopelvic Cavity: 2
Portions
The Upper Abdominal
Portion:
The LowerPelvic Portion
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The Upper Abdominal Portion
Stomach
Liver
Spleen Pancreas
Gallbladder
Small intestine
Large intestine
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The Lower Pelvic Portion:
Rest of largeintestine
Rectum Urinary bladder
Internal
reproductiveorgans
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Clinical Subdivisions of the Abdomen
The abdominal cavity is
divided into 4 sectionsFour quadrants:
Right UpperQuadrant
Right LowerQuadrant
Left Upper Quadrant
Left Lower Quadrant
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Abdominal Regions
The abdomen can be further
subdivided into thefollowing regions:
Right hypochondriac region
Left hypochondriac region
Epigastric region
Right lumbar region
Left lumbar region
Umbilical region Right iliac (inguinal) region
Left iliac (inguinal) region
Hypogastric region
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Acute Abdominal Infections
Acute Abdominal pain is the main,
presenting symptom of patients with Acute Abdominal Infections
Abdominal pain can represent processes as varied as benign, self-limited viral gastroenteritisto a perforated hollow viscus that can be fatal without intervention
Epigastric pain and indigestion is consideredheart ischemia until proven otherwise in malesover 35 years, females over 45 years, and forpatients with a cardiac history.
Large majorities of females with lower
abdominal pain have gynecological problems.
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Referred Pain
Perforated Ulcer
Biliary Colic
Renal Colic
Dysmenorrhea/Labor
Renal Colic (Groin)
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Referred Back Pain
Pain Location Visceral disease
T10-12 Peptic ulcers and tumors of thestomach, duodenum or pancreas
Low back pain Ulcerative colitis, diverticulitis, PID,
cancer of the ovary, uterus, or prostateCVA Renal disease
Thoracic-lumbar Aortic dissecting aneurysm
Note Back pain referred from visceral diseasereveals no stiffness and movement of the back does not increase the pain.
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Abdominal Pain Locations Related to Possible Diagnoses
RUQ LUQ
Appendicitis
Biliary Colic Gallbladder disease Gallstones
Liver disease Kidney stones
MI/Ischemia Pancreatitis Peptic Ulcer Pneumonia Pulmonary Infarct
Subphrenic Abscess
Diverticulitis
Empyema
Gastric ulcers/Gastritis
Kidney stones
MI/Ischemia
Pulmonary embolus
Pericarditis Splenic rupture
Pancreatitis
Pneumonia
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Abdominal Pain Locations Related to Possible Diagnoses
RLQ LLQ
Appendicitis
Crohn’s disease Cholecystitis Diverticulosis Ectopic Pregnancy Endometriosis Fecal perforation Gastroenteritis Hernia Intestinal obstruction
Ovarian cyst PID Ruptured Peptic Ulcer Ulcerative Colitis
Ureteral Stone
A ppendicitis (early)
Colon cancer/perforation Diverticulitis
Ectopic pregnancy
Endometriosis
Hernia
Intestinal Obstruction
Ovarian cyst
PID Sigmoid perforation
Ulcerative colitis
Ureteral stone
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Abdominal Pain Locations Related to Possible Diagnoses
Epigastrium Diffuse
Cholecystitis Myocardial
Ischemia
MyocardialInfarction
Pancreatitis
Peptic Ulcer
Reflux Esophagitis
Appendicitis
Abdominal Aorta Aneurysm
Bacterial Peritonitis Colitis Gastroenteritis IBD Intestinal Ischemia
Intestinal Obstruction Pancreatitis Sickle Cell Crisis
Toxic Metabolic Etiology
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Pain Associated with Acute Abdominal Infections
Dull Pain Dull pain is commonly associated with
inflammation and low-grade infection.
Intermittent Pain Intermittent pain is commonly associated with gastroenteritis and
small bowel obstruction.
Severe Pain Severe pain controlled by medication iscommonly associated with pancreatitis,
peritonitis, small bowel obstruction,renal colic, and biliary colic. Severepain not controlled by medications iscommonly associated with infarction
or rupture.
E i l Hi
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Essential History
A carefully taken history describing the pain
is the most powerful diagnostic tool. The following features must be determined:
Onset: How did pain start? -
Acuteness: Sudden (minutes) - ruptured viscous,
aneurysm or ectopic pregnancy
over 1-2 hours - pancreatitis, bowelobstruction, renal colic
over several hours - cholecystitis,
appendicitis, PID
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Essential History Continued: Nature of pain
When did it start? Duration:
>6 hours severe pain suspect significant illnessWhere did it start? Initial site:
Has it shifted? (e.g... Appendicitis)
Colic:Features
Severe pain, poorly localized, restlessness sweating,
reflex vomiting Caused by obstructed "tube" with a typical time
course
Bowel, Gall bladder, Ureter
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Nature of Acute Abdominal Pain
Inflammatory
Features:
Pain is Constant
Aggravated by movement or coughing Localized
Caused by inflamed organ:
Appendix Gallbladder
Colon
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Further History: Associated Signs &
Symptoms Nausea/Vomiting
Follows onset of pain in surgical causesMay be: reflex (in colic), or from
obstructed bowel
Is often absent in gynecological causes Constipation
Diarrhea
1 or 2 loose stools common at onset of peritonitis
Profuse in gastroenteritis and
inflammatory bowel disease (IBD)
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Further HistoryBlood in stool IBD, Intussusception, Ischemic bowelFever Mild in early appendicitis
If high consider abscess, pneumonia, systemic
illnessUrinary Symptoms Dysuria
Urethral "burning" during micturationUTI, Bladder Stone
Abdominal pain during micturationPelvic peritoneal irritation
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Further History
Frequency
UTI, Stone in lower ureter
Hematuria
UTI, Stone, Tumor
Menstrual Symptoms alert you to GYN causes
LMP date
Menstrual irregularity Vaginal discharge- alert to GYN causes
C id R l E M l & V i l/R l
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Consider Rectal Exam on Males & Vaginal/Rectal on
FemalesRectal Examination
Rectal mass - may cause large bowel obstruction Abdominal pain on palpating pelvic peritoneum- pelvic
peritonitis
Blood - IBD, ischemic bowel, hemorrhoids
Impacted stool- constipation
Vaginal Examination
Cervical pain - Pelvic inflammatory disease (PID), ectopic
pregnancy Purulent discharge - PID
Bulky uterus - pregnancy
Adnexal mass - ectopic pregnancy, ovarian cyst, tumor.
Cli i l D i i M ki A i i d M di l C
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Clinical Decision Making: Anticipated Medical Care
of Acute Abdominal Infection
Lab Tests CBC with differential, electrolytes, BUN,
creatinine, glucose, LFTs, amylase,lipase, PT, PTT (WBC >20,000 suggestssepsis and may require surgery)
Radiology Tests Abdominal ultrasound, spiral CT (nooral contrast needed), abdominal CT(oral contrast needed), x-rays of thechest and abdomen, intravenous
pyelogramOther tests Pelvic/Rectal exam, orthostatic vital
signs, Stool Guiac/culture, Urinalysis
Diet NPO
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Clinical Decision Making: Anticipated Medical Care
of Acute Abdominal Infection
Medications Anti-inflammatory, antipyretic, antiemetic,
Analgesic, Antibiotics
Implicationsfor Practice:
Disposition
The FNP must determine what is the mostappropriate setting for care. Whether to
initiate treatment as an outpatient setting, referpatient to the hospital or to call 911,depending on patient’s health status
Worse case
scenario
An unsuspected abdominal aortic aneurysm
rupture resulting in sudden circulatory collapse from loss of volume. An older adultmale with a history of DM, HTN, andsmoking is the most common patient type foran aneurysm.
Ri h U A Abd i l P i
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Right Upper Acute Abdominal Pain:
Diagnostic Tools and Initial Management
Diagnostic Tools: Erect Chest X-ray
Ultrasound
Amylase, Creatinine, Urea, Electrolytes Full Blood Count
Urinalysis
ECG Liver Function Tests
Initial management will depend on specific
diagnosis
Epigastric and Left Upper Ac te Abdominal Pain
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Epigastric and Left Upper Acute Abdominal Pain:Diagnostic Tools & Initial Management
Diagnostic Tools
Erect Chest X-ray
Erect and Supine Abdominal X-ray
Amylase, Creatinine, Urea, Electrolytes
Full Blood Count
Urinalysis ECG
Initial management will depend on specific
diagnosis
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Right Lower Acute Abdominal Pain: Diagnostic
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Right Lower Acute Abdominal Pain: Diagnostic Tools & Initial Management
Diagnostic Tools:
Most of these diagnoses can be differentiatedclinically.
U/A - to exclude an unsuspected urinary cause.
Pregnancy test - in women of childbearing potential
Ultrasound - if gynecological cause is suspected
Full blood count - of limited diagnostic value
Initial management will depend on specific
diagnosis
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Lower and Left Lower Acute Abdominal Pain: Diagnostic
Tools & Initial ManagementDiagnostic Tools:
Most of these diagnoses can be differentiatedclinically.
U/A to exclude an unsuspected urinary cause.
Pregnancy test if appropriate Ultrasound if gynecological cause is suspected
Full blood count
Erect and supine abdominal X-rays CT scan if complication of diverticular disease is
suspected
Initial management will depend on specific DX
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Acute Appendicitis Appendicitis is an
inflammation of the vermiform appendix.
All people aresusceptible, the most
common occurrencesis between ages 20 and30 years, although itmay develop at any age.
It is very rare beforethe second year and
after the fiftieth year
Acute Appendicitis: Etiology &
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Acute Appendicitis: Etiology &
Pathophysiology Obstruction of the lumen with stool, tumors or
foreign bodies with consequent bacterialinfection is the most common theory.
The obstructed lumen does not allow drainage of
the appendix and as mucosal secretion continues,intraluminal pressure increases.
The resultant increased pressure decreases
mucosal blood flow and the appendix becomeshypoxic.
The mucosa ulcerates promoting bacterialinvasion with further inflammation and edema
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Acute Appendicitis: Presenting Signs & Symptoms Diffuse periumbilical
pain and anorexia early
Nausea and Vomiting
Low grade fever
Associated S/S
Diarrhea, Constipation
Tachycardia
Pain may be worse onmoving or coughing
Pain localizes to theRLQ as peritonitis
develops
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Acute Appendicitis: Physical Findings
A dull right lower quadrant pain with rebound at
McBurney’s Point (just inside the iliac crest) Rovsing’s Sign: is an increase in right lower
quadrant pain initiated by palpation of the left lower
quadrant. It is suggestive of acute appendicitis. Obturator Sign: flexion and lateral rotation of the
thigh causes hypogastric pain, a sign of pelvic
abscess and appendicitis. Psoas Sign (iliopsoas test): extension and elevation
of the right leg cause pain, a sign of appendicitis.
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Acute Appendicitis: Clinical
Decision Making
Essentially clinical
Rule Out urinary cause by urinalysis
Moderate elevated WBC (rarely >20,000cells/mm3)
Ultrasound in selected cases
X-rays and other tests are often negative
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Acute Appendicitis: Differential Diagnosis
Abdominal Aorta
Aneurysm Colitis
Crohn’s disease
Diverticulosis Ectopic pregnancy
Fecal perforation
Gastroenteritis Hernia
Inflammatory Bowel
Disease
Intestinal Obstruction
Ovarian Cyst
PID
Pancreatitis
Sickle Cell Crisis
Spontaneous BacterialPeritonitis
Toxic MetabolicEtiology
Ureteral Stone
A A di i i T
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Acute Appendicitis Treatment The main goal is diagnosis and immediate
hospital referral for surgical removal beforerupture.
NPO Intravenous fluids
Pain relief If hx < 48 hours early appendectomy with
antibiotics is recommended If history > 48 hours and mass palpable
NPO, IV fluids and antibiotics If abscess on Ultrasound - drainage Interval appendectomy after 6 weeks
A t Ch l titi
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Acute Cholecystitis Is an acute inflammation
of a distendedgallbladder usually caused by an impactedstone in the cystic duct.
Stones may consist of cholesterol or pigmentssuch as Ca+ birubinate.
In the USA, over 80% of the stones arecholesterol.
Middle aged overweight
women
Ch l titi Eti l d
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Cholecystitis: Etiology and
Pathophysiology
Obstruction causes thegallbladder to becomedistended and inflamed.
Pressure against thedistended wall of thegallbladder decreases
blood flow Ischemia, necrosis, and
perforation of thegallbladder are possible
Acute Cholecystitis: Presenting Signs &
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Acute Cholecystitis: Presenting Signs &
Symptoms
Localized ordiffuse RUQ pain
Radiation to rightscapula
Vomiting and
constipation Low grade fever
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Acute Cholecystitis: Associated Signs &
Symptoms
RUQ pain may radiate to right scapula
Gastric pain
Pain may occur 30 to 90 minutes after afatty meal and lasts for several hours.
Jaundice is a sign of common bile duct
obstruction.
Acute Cholecystitis: Clinical Decision
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Acute Cholecystitis: Clinical Decision
Making
Test findings: Elevated WBC, Serum bilirubin, Alkaline
phosphatase, and SGOT
Ultrasound
Diagnosis
Ultrasound shows gallstones and edematous wall
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Acute Cholecystitis: Physical Findings Moderate fever
Patient lies still Tenderness and rebound RUQ ± tender mass
(+) Murphy's Sign (arrest of inspiration while
palpating over gall bladder) Kehr’s sign is pain referred from the epigastrium to
the right shoulder, a phenomenon associated with
biliary colic or acute cholecystitis. Kehr’s sign can also be from a diaphragm that is
irritated by blood in the peritoneum and often seen
with a ruptured spleen.
A Ch l i i Diff i l
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Acute Cholecystitis: Differential
Diagnosis
Appendicitis Biliary Colic
Gallbladder disease Gallstones
Liver disease Kidney stones MI Diarrhea
Sensation of constipation
Tachycardia
Pain may be worseon moving orcoughing
Pain localizes tothe RLQ asperitonitis develops
A t Ch l titi T t t & M t
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Acute Cholecystitis: Treatment & Management
Hospital Referral
NPO Bowel Rest
Nasogastric Suction Intravenous fluids Pain relief Antibiotics Surgery Referral on the first available elective list
Occasionally necrosis or perforation of gallbladder - urgent surgery
Surgery is indicated if the patient has symptoms. Symptoms resolve in 75% of patients
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Acute Diverticulitis
Is an inflammation or
infection of herniations or saclikeprotrusions of the
mucosal wall at pointsof nutrient artery penetration
Incidence of diverticular diseaseincreases with age,>50% if age > 80 yrs
Acute Diverticulitis: Etiology &
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Acute Diverticulitis: Etiology &
Pathophysiology
It commonly occurs in the sigmoid colon. Cause of diverticulitis has been attributed
to a low-fiber diet and intraluminal
pressure. The resulting increased intraluminal
pressure causes the diverticulum to
perforate.
Bacterial spillage may occur with abscess
formation or frank fecal peritonitis.
Acute Diverticulitis: Signs & Symptoms
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Acute Diverticulitis: Signs & Symptoms
LLQ pain relieved by defecation
Constant, severe left iliac fossa pain, Fever ± chills Colon tenderness, Bloody stools, intermittent
attacks
Associate Signs & Symptoms Diarrhea or Constipation & Flatulence
Acute attack closely resembles the symptom of
appendicitis except that the pain is in the left sideof the abdomen
Systemic evidence of sepsis with Hemodynamic
compromise and Mental status deterioration
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Acute Diverticulitis: Physical Findings
Localized left iliac fossa guarding +rebound tenderness (generalized if freeperforation)
Palpable mass due to abscess Rectal Tenderness
Abdominal Distention
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Acute Diverticulitis: Differential
Diagnosis
A ppendicitis (early)
Colon
cancer/perforation Diverticulitis
Ectopic pregnancy
Endometriosis
Hernia
IntestinalObstruction
Ovarian cyst PID
Sigmoid
perforation
Ulcerative colitis
Ureteral stone
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Acute Diverticulitis: Clinical Decision
Making
Diagnosis
Clinically suspected
CT scan of the abdomen with oral contrastto identify complications
Leukocytosis
Acute Diverticulitis: Treatment &
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Acute Diverticulitis: Treatment &
Management
Management:
NPO status
IV Normal Saline for fluid resuscitation Antibiotics
Hospital Referral/admission for surgical
resection
Acute Hepatitis
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Acute Hepatitis
Acute hepatitis is an
infection of the livercaused by a Hepato-tropic virus (A, B, C, D,
E) and other viruses >250,000 new
infections occurannually in the USA.
Acute Hepatitis isencountered often inthe office and clinic.
Acute Hepatitis: Etiology & Pathophysiology
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Acute Hepatitis: Etiology & Pathophysiology
Hepatitis A – Fecal to oral transmission
Hepatitis B – Percutaneous (needle stick), sexual,perinatal transmission
Hepatitis C – Percutaneous transmission (IV drug
use accounts for over 50% of the reported cases.) Hepatitis D – IV transmission (IV drug users and
transfusions) Endemic among HBV (hepatitis B
virus) carriers in the Mediterranean bases and areasof South America
Hepatitis E – Waterborne transmission (epidemic inIndia, Africa, and Mexico)
Acute Hepatitis: Signs & Symptoms
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Acute Hepatitis: Signs & Symptoms
RUQ Pain, Nausea & Vomiting, Diarrhea
Malaise, Low-grade Fever, Dark Urine Jaundice
Associated Signs & Symptoms
Clay-colored stools Influenza like symptoms
Joint pain
Urticaria Maculopapular rashes
Hematuria
Edema
Hepatitis B
Acute Hepatitis: Physical Findings
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Acute Hepatitis: Physical Findings
Tender liver
Mild Hepatic enlargement Spleen may be enlarged
Jaundice may be present (maximal during 2nd week
of onset, then disappears during the next 2 - 8 wks)
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Acute Hepatitis: Differential Diagnosis
Appendicitis Biliary Colic
Gallbladder disease Gallstones Liver disease Kidney stones MI Myocardial
Ischemia
Pancreatitis
Peptic Ulcer
Pneumonia Pulmonary Infarct
Subphrenic
Abscess
Acute Hepatitis: Clinical Decision Making
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Acute Hepatitis: Clinical Decision Making During Prodrome Phase:
Leukocyte counts may be normal or low normal
Atypical lymphocytes may be seen Elevated Serum Aminotransferase
ALT levels higher than AST
Serum Bilirubin peak (2nd week of acute illness) Vary between 5-20 mg/dl
Serum alkaline phosphatase levels normal or mildly
increased Serum albumin usually normal or slightly decreased
Serum globulins may mildly elevated
Prothrombin time is normal or minimally prolonged
Serology Diagnostics of Viral Hepatitis
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Agent: Acute Phase: Convalescence:
HAV Presence of IgM anti-HAV Development of IgG anti-HAV
HEV Presence of IgM anti-HEV Loss of HEV RNA; develop-
and/or HEV RNA ment of IgG anti-HEV
HBV Presence of HBsAg and/or IgM Loss of HBsAg: developmentof
anti-HBc anti-HBs and IgG anti-HBc
HDV Presence of HDV RNA or Loss of HDV RNA or antigen;
HDV antigen or IgM anti- development of IgG anti-
HDV in HBsAg-positive HDV or loss of anti-HDV patient
HCV Presence of development of Loss of HCV RNA
anti-HCV, presence of HCV
RNA
Acute Hepatitis: Treatment/Management & Outcome
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Management:: Symptomatic treatment, fluidresuscitation with normal saline, and referral for
hospital admission or outpatient follow-up care. OUTCOME:
Hepatitis A – Recovery within 6 to 12 months with
occasional relapses Hepatitis B – Recovery in > 90% of the cases
Hepatitis C – Incubation period 7 to 8 weeks,
course clinically mild, > 50% likelihood of chronicity, leading to cirrhosis in 20% of the cases
Hepatitis D – Progresses to chronic hepatitis
Hepatitis E – May need a liver transplant
Acute Pancreatitis
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Acute Pancreatitis
Is an inflamed condition of
the pancreas that can beacute or chronic.
The most common cause of pancreatitis is alcohol intake.
The 2nd most commoncause is cholelithiasis.
A perforated duodenal ulcer
that erodes through thepancreatic wall and into thepancreas can progress topancreatitis.
Ac te Pancreatitis: Signs & S mptoms
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Acute Pancreatitis: Signs & Symptoms
May include sudden, intense, steady, boring pain in the epigastrium radiating to the
back, often increasing in the supine
position.
Associated Symptoms:
May include nausea, vomiting, low-grade
fever, tachycardia, hypotension, basilarcrackles, abdominal tenderness, rigidity,and diminished bowel sounds.
Acute Pancreatitis: Physical Findings
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Acute Pancreatitis: Physical Findings A palpable upper abdominal mass is often present.
Tenderness with guarding and rebound upperabdomen
Cullen’s Sign (blue discoloration about the umbilicus
is a sign of intraperitoneal bleeding) Turner’s Sign (discoloration of the flanks due to
tissue catabolism of hemoglobin) are often present inacute hemorrhagic pancreatitis, a form of pancreatitisthat causes hemorrhage into the pancreatic tissue
Cardiovascular collapse or respiratory distress insevere cases
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Acute Pancreatitis: Differential Diagnosis
Cholecystitis
Myocardial
Ischemia Myocardial
Infarction
Pancreatitis Peptic Ulcer
Reflux Esophagitis
Acute Pancreatitis: Clinical Decision Making
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Acute Pancreatitis: Clinical Decision Making
The amylase and lipase are elevated.
In acute pancreatitis, amylase is often elevatedmore than three times normal within a few hours of onset and remains elevated for threedays.
Amylase > 1,000 IU in absence of GIperforation makes diagnosis very likely
After twenty-four hours, serum lipase levels rise
and remain elevated for ten days. Ultrasound often does not visualize the pancreas
because of overlying gas but may detect
gallstones.
Acute Pancreatitis: Clinical Decision Making
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cu e c e s: c ec s o g
Assessment of Severity
3 or more of the following abnormalitiesoccurring in the first 48 hours of onset indicatessevere pancreatitis
Calcium <2.0mmol/l
Urea >16mmol/l LDH >600u/l Glucose >10mmol/l PaO2 < 60mmHg WBC >15x109/l
Albumin <32g/l Age >55years
Acute Pancreatitis: Treatment & Management
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Hospital Referral
Management may include analgesics and IV fluids, Antibiotics if infection established, NPO.
Surgery indicated for pancreatic abscess orpseudocyst.
Acute Respiratory Distress Syndrome may resultfrom acute pancreatitis or by associated sepsis andhypovolemia.
Pancreatic exudates are thought to destroy thesurfactant.
Hypokalemia and Hyperglycemia are common
complications of pancreatitis.
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Pancreatitis Education
Home instructions include a low-fat, no-alcohol, and no-caffeine diet.
Limiting fat intake and avoiding alcoholhelps prevent stimulation of the pancreas.
No caffeine prevents stimulation of gastric
acid that activates the pancreas. 90% of the cases subside after three to
seven days.
Peptic Ulcer Disease: (PUD)
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10% of U.S. population suffers from peptic ulcerdisease. $6 billion in the USA each year in direct
costs of treatment of peptic ulcer disease Peptic ulcers can develop in the lower esophagus,
stomach, pylorus, duodenum or jejunum
80% of peptic ulcers are duodenal ulcers Most common in men between ages 20 to 50.
Gastric Ulcers affect the stomach mucosa are most
common in people ages 55 to 70 (chronic users of NSAIDs or ETOH)
5% to 10% of patients develop complications thatnecessitate surgery.
PUD: Etiology & Pathophysiology
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PUD: Etiology & Pathophysiology There are 3 recognized major causes of PUD
Infection with Helicobacter Pylori (gram-negative spiral microaerophilic bacterium)
NSAIDs
Pathologic hypersecretory states such asZollinger-Ellison Syndrome
An imbalance exists between aggressive factors
such as gastric acid and defensive factors thatenhance mucosal integrity such as mucus,prostaglandins, growth factors, blood flow,
bicarbonate, and cell turnover
PUD: Predisposing Factors
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PUD: Predisposing Factors
Include blood type:
Gastric Ulcers tend to strike people with type A Blood
Duodenal ulcers tend to afflict people with
type O Blood Exposure to irritants such as alcohol and
tobacco
Physical trauma Emotional stress
Normal aging
PUD: Signs & Symptoms
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Clinical Features vary with the area of the GI tractthat is affected:
GASTRIC ULCERS:
Heartburn, Indigestion
Eating food may relieve pain (food stretches thegastric wall)
Feeling of fullness and distention
Associated Signs & Symptoms:
Weight Loss
Repeated episodes of massive GI Bleeding
Nausea & Vomiting
PUD: Signs & Symptoms
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DUODENAL ULCERS:
Heartburn: Mid-epigastric pain
Usually occurs 2 hours after meals or afterconsumption of orange juice, coffee, aspirin orETOH
Pain is relieved by food, antacids or antisecretory agents
Associated Signs & Symptoms:
Weight gain (patient eats to relieve pain)
Sensation of hot water bubbling in back of throat
Nausea & Vomiting
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PUD: Physical Findings
Uncomplicated PUD:
Little more than epigastric tenderness
Complicated PUD:
Rigid Abdomen (perforation)
Hematemesis and melena Patient lies still
Liver dullness may be lost
PUD: Differential Diagnosis
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PUD: Differential Diagnosis
Gastroesophageal Reflux Disease (GERD)
Gastric cancer Gastroduodenitis
Cholecystitis
Biliary tract disease Pancreatic cancer
Pancreatitis
Intestinal ischemia Myocardial Ischemia
Non-Nuclear Dyspepsia
PUD: Clinical Decision Making
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Biopsy to rule out H-pylori infection or cancer
Serologic H-pylori or carbon isotope urea breath
tests Serial fecal occult blood tests
Hemoglobin and Hematocrit (values decrease in
GI bleeding) Elevated fasting serum Gastrin and secretin
stimulation test indicates Zollinger-Ellison
Syndrome. Esophagogastroduodenoscopy (EGD) or
Upper gastrointestinal (UGI) series (mucosalabnormalities)
PUD: Treatment & Management
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Non-Pharmacological Therapy:
Bed rest, cessation of smoking and ETOH
Discontinuation of NSAID use
Pharmacological Treatment options:
Acid suppression and a combination of antibiotics:(3 drugs twice per day for 7 to 10 days)
Drug combinations include:
Metronidazole, omeprazole, and clarithromycin Lansoprazole, amoxicillin and clarithromycin
Ranitidine, bismuth citrate, amoxicillin and
clarithromycin
PUD: Treatment & Management
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PUD: Treatment & Management
A prostaglandin analogue (misoprostol) forpatients taking NSAIDs
A histamine-2 (H2) receptor antagonist(cimetidine or nizatidine) or omeprazole may
reduce acid secretion.
Anti-ulcer drugs: H2-receptor antagonists(ranitidine, nizatidine), antacids (aluminum
hydroxide) or sucralfate for 2 weeks.
Patient responsive: treat for 8 weeks
Non-responsive: diagnostic studies are indicated
PUD: Patient/Family Education/Referral
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Advice patient who uses antacids, HX of cardiac
disease or follows a Na restricted diet, to takeantacids that contain low amounts of sodium
Tell patient to avoid hot spicy and high fat foods
Warn patient to avoid steroids, aspirin, NSAIDs,coffee, smoking, ETOH, and stressful situations
Inform patient about potential adverse effects of
antibiotic therapy (superinfection, diarrhea). GI referral for patients with nonresponsive or
recurrent symptoms or for evidence of bleeding
Follow-up patient in 2 weeks for evaluation
Gastroenteritis
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Gastroenteritis is an inflammation of the
stomach caused by a virus, bacteria, parasite,or chemical agent.
Signs & Symptoms: N/V/D, abdominal
cramps, hyperactive bowel sounds Associated Signs & Symptoms:
Occasionally fever
Management: symptomatic relief withantiemetics, analgesia, fluid replacement, andtreatment of the underlying cause.
Predisposing Factors Symptoms & Therapy of GI Infections
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Pathogen: Predisposing Factors: S/S: DX: TX:
Salmonella Contaminated N/V/D Fecal Ampicillin,
poultry, raw milk, cramps, leukocytes, TMP-SMX,
custards & creams fever, stool chloramphenicol,
foreign travel tenesmus culture ciprofloxacin
Incub:12-36 hrs
Shigella Contaminated food Fever, Fecal TMP-SMX,
foreign travel cramps, leukocytes ciprofloxacin,
tenesmus, tetracycline,
dysentery chloramphenicol,
Incub: norfloxacin
12-24 hrs
Predisposing Factors Symptoms & Therapy of GI Infections
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Pathogen: Predisposing Factors: S/S: DX: TX:
Clostridium Antibiotics mild/severe C. difficile Metronidazole,
Difficile antineoplastics diarrhea, toxin & vancomycin,
cramps culture bacitracin, binding
resins
Staph food Contaminated N/V/D Stool Supportive only
poisoning meat, milk, foods onset <4 hr culture
resolves:
24-48 hr
Incub:2-4 hr
Predisposing Factors Symptoms & Therapy of GI Infections
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Pathogen: Predisposing Factors: S/S: DX: TX:
Travelers’ Contaminated food N/V/D, Stool TMP-SMX,
Diarrhea vegs, cheese, water cramps, Culture bismuth sub-(E-coli) Incub: salicylate,
16-48 hr doxycycline pro-
phylaxis,
ciprofloxacin,
norfloxacin,
Ofloxacin
E-coli Beef, raw milk, Diarrhea Stool Ciprofloxacin, water H/A, Culture doxycycline,
bloody BM on Mac- TMP-SMX
Incub: Conkey’s
48-96 hrs sorbitol
Predisposing Factors Symptoms & Therapy of GI Infections
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Pathogen: Predisposing Factors: S/S: DX: TX:
Viral Community wide N/D, Special Supportive Only
Gastro- outbreaks, cramps viral
Enteritis contaminated food self-limited studies
Campylo- Daycare centers, Diarrhea, Fecal Erythromycin,
bacter contaminated eggs, fever, leukocytes tetracycline,raw milk, foreign malaise Stool ciprofloxacin,
travel Incub: 72 hr Culture chloramphenicol
Cryptos- Immuno- Diarrhea Stool Paromomycin,
Poridosis suppression large fluid Culture, spiramycinDaycare Centers, loss Small
contaminated water Bowel
animal handlers Biopsy
Research & Related Literature
I R h St d i ti t f d th t h
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In a Research Study, scientists found that humanintestinal cells with excess iron were more susceptible
to attack by bacteria that cause infection of the smallintestine.
Researchers exposed cells to a common form of iron
that is present in iron supplements. Iron-laden cells were then exposed to Salmonella
enteritidis.
Findings were that cells containing high levels of iron were more easily invaded by the bacteria
Greater numbers of bacteria survived inside cells with
high iron than cells with normal amounts of iron.
Research Study: Iron
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y Cells with elevated levels of iron also synthesized
higher amounts of cytokines and chemokines -classes of defense proteins -- in response tobacterial infection.
The secretion of many of these proteins is
associated with the development of inflammation.
The finding suggests that excess iron in theabsorptive cells in the gut may increase both therisk of infection and damage other tissues in theintestine in response to the greater degree of inflammation.
Research Study: Iron
T t i l d th h t
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To prevent iron overload, the researchers suggesta revision of the standard policy of iron
fortification of the general population. They recommend periodic evaluation of the iron
status of individuals, particularly women in thereproductive period of their life cycle.
Researchers are planning further experiments toexplain why intestinal cells with high iron levelsare more readily infected.
The study suggests that enriching breakfastcereals and other foods with high doses of iron -a nutritional strategy, could be causing otherhealth problems.
Research: Sulphasalazine & Mesalazine
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A Research Study was conducted to determine whether serious adverse effect profiles differ forsulphasalazine and mesalazine.
Sulphasalazine and mesalazine are 5- Aminosalicylates that are extensively prescribed
for the treatment of ulcerative colitis but have a wide range of described adverse effects
Adverse effect profiles were categorized for
interstitial nephritis, pancreatitis, serious skinreactions, hepatitis and hepatic failure, andblood dyscrasias.
Research: Sulphasalazine & Mesalazine
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Research: Sulphasalazine & Mesalazine
Report rates were calculated using prescribing
data from the Department of Health andcompared for mesalazine and sulphasalazine.
Further analysis was undertaken for
sulphasalazine according to disease indication of inflammatory bowel disease or rheumatoidarthritis.
Methods: Analysis of suspected serious adversereactions reported to the Committee on Safety of Medicines of the UK in 1991 – 1998.
Research Results: Sulphasalazine & Mesalazine
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A total of 4.7 million prescriptions were dispensedfor sulphasalazine compared with 2.8 million formesalazine.
Interstitial nephritis was only described formesalazine, with 11.1 reports per million
prescriptions.
Pancreatitis was reported 7 times as frequently formesalazine (7.5 per million prescriptions) compared
with sulphasalazine (1.1 per million prescriptions)
There were no reports of serious skin disorders inpatients prescribed sulphasalazine for IBD.
Research: Sulphasalazine & Mesalazine
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Blood dyscrasias were reported significantly moreoften in patients receiving sulphasalazine for
rheumatoid arthritis than for IBD and there was asimilar trend for hepatic disorders.
Conclusions: Spontaneous reports suggest that
within the five sets of disorders considered, there isno evidence to indicate a safety advantage of mesalazine over sulphasalazine in the treatment of inflammatory bowel disease.
Pancreatitis and interstitial nephritis appearsignificantly more common with mesalazine, andadvice on renal monitoring in patients who receive
mesalazine may need reinforcing.
A Q ti ?
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Any Questions?