1 RUQ Abdominal Pain Steven B. Goldin, MD, PhD University of South Florida Dimitrios Stefanidis, MD, PhD
2 Mrs. Stone 41 year-old woman in the ER presenting with 12 hours duration of progressively worsening right upper quadrant discomfort associated with nausea and vomiting. She reports chills.
3 History What other points of the history do you want tto know?
4 History, Mrs. Stone Consider the following: Characterization of Symptoms Temporal sequence Alleviating / Exacerbating factors Associated signs/symptoms Pertinent PMH ROS MEDS Relevant Family Hx Rl Relevant tsocial ilhx
5 History Mrs. Stone Characterization of Symptoms Epigastric and RUQ pain radiating to the back Nausea and bilious vomiting followed the onset of pain Pain constant in nature Temporal sequence Symptoms started 40 minutes after a meal
6 History Mrs. Stone Alleviating / Exacerbating factors: Nothing makes this pain better Breathing and movement makes pain worse Associated signs/symptoms: Similar il symptoms in the past never lasted dlong Denies history of jaundice
7 History Mrs. Stone Pertinent PMH: Obesity, G4P4 PSH: Hysterectomy ROS: no change in bowel habits, no weight loss, no BRBPR, no melena, no diarrhea, not sexually active MEDS : None, NKDA Relevant Family Hx: Mother had cholecystectomy Relevant Social Hx: non-smoker, no ETOH, divorced
8 What is your Differential Diagnosis? i
9 Differential Diagnosis Based on History and Presentation Acute Cholecystitis Chronic Cholecystitis Choledocholithiasis o s Pulmonary Embolism Pyelonephritis Peptic Ulcer Disease Myocardial Infarction Pancreatitis Bowel Obstruction Rectus Sheath Hematoma Hepatitis Liver Tumor Cholangitis Colon Tumor Colitis/ Typhlitis Gastritis Appendicitis Pneumonia PID, Ectopic
10 Physical Examination What specifically would you look for?
11 Physical Examination Mrs. Stone Vital Signs: T: 100.5, HR: 115, BP: 132/84, RR: 22 Appearance: obese woman in mild distress Rl Relevant texam findings fidi for a problem focused assessment HEENT: no scleral icterus, dry mucous membranes Chest: CTA Bilaterally, shallow breathing CV: tachy, no murmurs, gallops, rubs Abd: soft, non distended, RUQ tenderness with positive Murphy s sign, bowel sounds normal, no palpable masses Neuromuscular: non focal exam, good strength Skin/Soft Tissue: no rashes, no jaundice Genital-rectal: heme negative, no masses, no cervical motion tenderness Remaining Examination findings non-contributory
14 Labs Mrs. Stone CBC: Hb, Hematocrit 13.2 mg/dl, 39% WBC 13,000 Electrolytes : LFT s: Amylase, Lipase: PT/PTT: U/A and b-hcg: ABG: Cardiac Enzymes, EKG: normal Bili: 1.8, AST:110, ALT:140, AlkPhos: 170 normal normal negative normal normal
15 Lab Results Discussion Labs point out that a cardiac, pulmonary or urinary source of symptoms is highly unlikely Patient has no pancreatitis Elevated WBC raises the suspicion for an infection Mild elevation in liver function tests may point towards the diagnosis i
16 Differential Diagnosis Would you like to update your differential?
17 Differential Diagnosis Would you like to update your differential? Acute Cholecystitis Chronic Cholecystitis Choledocholithiasis Peptic Ulcer Disease Bowel Obstruction Appendicitis Pneumonia Liver Tumor Cholangitis Colon Tumor Gastritis
18 Interventions at this point?
19 Interventions at this point? Start IV with Lactated Ringers or similar isotonic crystalloid solution for rehydration Pain medication administration i ti Proceed with confirmatory studies of suspected differential diagnoses
20 Studies (X-rays, Diagnostics) What would you obtain?
21 Studies ordered Mrs. Stone Acute Abdominal Series Ultrasound Right Upper Quadrant
22 Acute Abdominal Series
23 Imaging Results Abdominal Series is Negative What information will the US report provide that may help confirm your diagnosis?
24 RUQ US Information Presence of gallstones or sludge Presence of pericholecystic fluid Gallbladder wall thickening Presence of sonographic Murphy s sign Intra- or extrahepatic ductal dilation Liver, pancreas, right kidney abnormalities
25 US Mrs. Stone Ultrasound demonstrating air in the wall of the gallbladder and sludge in the lumen.
26 What is your Diagnosis?
27 Diagnosisi Acute Emphysematous Cholecystitis
28 What additional treatment would you now institute?
29 Interventions at this point? Administer i IV antibiotics What type? Admit the patient to the hospital Bring the patient to the OR When? What operation would you do?
30 OR Findings Acute gangrenous cholecystitis with contained perforation Mrs. Stone underwent a difficult laparoscopic cholecystectomy with intraoperative cholangiogram. A drain was left under the liver
31 Intraoperative cholangiogram Normal intraand extrahepatic biliary tree without filling defects, normal flow into the duodenum
32 Post op Management Mrs Stone s pain improved markedly after the surgery and she was able to tolerate a diet on POD#1 Her drain output was serosanguinous and minimal. The drain was pulled and she was sent home on POD#2 in excellent condition with a 2-week follow up in the office
33 Alternative Scenarios Mrs. Piedra is 44 years-old and has unrelenting mid-epigastric pain associated with nausea and tenderness on palpation p of the right upper quadrant Her WBC, amylase and LFTs are normal except for a mildly elevated Alkaline Phosphatase A RUQ US is requested
34 Mrs. Piedra s US What do What do you see?
35 Mrs. Piedra s US report One stone seen at gallbladder infundibulum ndib No pericholecystic fluid Normal gallbladder llbldd wall llhik thickness Normal Common Bile Duct size Negative sonographic Murphy s sign Normal liver, no intrahepatic ductal dilation Pancreas normal, right kidney normal
36 Mrs. Piedra is still symptomatic even after pain medications i are given. What would you do next?
37 HIDA scan vs. CT abdomen What would prompt you to choose either?
38 HIDA scan What are you looking for on a HIDA scan What are you looking for on a HIDA scan in this patient?
39 HIDA Scan Liver uptake (normal) Excretion into duodenum Filling of the gallbladder Function of the gallbladder Biliary tract leaks
40 HIDA Scan Mrs. Piedra HIDA scan demonstrates non-visualization of the gallbladder. Uptake in the liver was normal and small bowel was visualized.
41 Why was morphine given with this study? When is CCK utilized? i
42 HIDA scan Morphine was utilized to induce sphincter of Oddi contraction that might help with gallbladder filling. If the gallbladder still does not fill the study is highly suggestive of acute cholecystitis CCK is administered i d to assess the gallbladder ejection fraction in cases of suspected chronic cholecystitis. Reproduction of the patient s pain during administration of CCK is a good predictor of symptom resolution after cholecystectomy y
43 CT SCAN Abdomen/Pelvis What are you looking for with a CT SCAN in this patient?
44 CT SCAN Indications Rule out other causes of abdominal pain besides cholecystitis (especially in the face of normal RUQ US and/ or HIDA) Pancreatitis Perforated hollow viscus Bowel obstruction ti Intra-abdominal or Retroperitoneal masses Liver pathology Biliary tract disease: tumors
45 CT SCAN Mrs. Stone Study demonstrates emphysematous cholecystitis (arrow points at the air in the wall of the gallbladder)
46 CT SCAN Mrs. Piedra Study demonstrates inflammatory changes (arrows) around a distended gallbladder suggestive of cholecystitis. This patient was found to have gangrenous cholecystitis in the OR
47 What would you do differently if Mrs. Stone was an 80 year old frail lady with hemodynamic instability?
48 What would you do if Mrs. Piedra had intermittent symptoms, no gallstones on the US and decreased Ejection Fraction on HIDA scan?
49 What would you do if Mrs. Stone was currently neutropenic and had symptoms and findings of acute cholecystitis?
50 Discussion Acute cholecystitis is a common disease that can be treated with minimal morbidity if diagnosed early Typical, unrelenting symptoms of more than 6 hours duration is highly suggestive of the disease A RUQ US is the first test of choice as it is highly sensitive in diagnosing gallstones and may demonstrate findings of acute cholecystitis
51 Discussion The absence of acute cholecystitis findings on US does not exclude the diagnosis It should also be kept in mind that acute cholecystitis can occur in the absence of gallstones (acalculous form of the disease) The gold standard for the diagnosis of acute cholecystitis is a HIDA scan but in most patients the diagnosis i can be made without t it Percutaneous drainage should be considered in very high h risk patients t
53 Summary Acute cholecystitis should be treated t operatively when recognized. It is best to do this as soon as possible as it may result in severe complications. Alternatives to surgery for simple uncomplicated cases of acute cholecystitis include antibiotic treatment t tand percutaneous drainage in medically unfit patients.
54 Summary Caution should be exercised in patients that have had symptoms lasting more than approximately 5 days as the inflammatory changes at this time may make the surgery difficult. These patients could be allowed to cool down and return approximately 6 weeks later for definitive operative treatment.
55 Acknowledgment The preceding educational materials were made available through the ASSOCIATION FOR SURGICAL EDUCATION In order to improve our educational materials we welcome your comments/ suggestions at:
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