Gallbladder, Cholecystitis, Clostridial (Gangrenous, Emphysematous)


Article Author:
George Mathew


Article Editor:
Christopher Pfeifer


Editors In Chief:
Venkat Minnaganti
John Brusch
Janak Koirala


Managing Editors:
Avais Raja
Orawan Chaigasame
Carrie Smith
Abdul Waheed
Khalid Alsayouri
Frank Smeeks
Kristina Soman-Faulkner
Trevor Nezwek
Radia Jamil
Patrick Le
Sobhan Daneshfar
Anoosh Zafar Gondal
Saad Nazir
William Gossman
Pritesh Sheth
Hassam Zulfiqar
Navid Mahabadi
Steve Bhimji
John Shell
Matthew Varacallo
Heba Mahdy
Ahmad Malik
Mark Pellegrini
James Hughes
Beata Beatty
Nazia Sadiq
Hajira Basit
Phillip Hynes
Tehmina Warsi


Updated:
5/2/2019 11:30:41 PM

Introduction

Emphysematous cholecystitis is a fulminant variety of acute cholecystitis that differs in its pathology and epidemiology from cholecystitis induced by gallstones. The characteristic feature of this sinister variant of cholecystitis is the presence of gas in the lumen and wall of the gallbladder. The presence of gas may be detected elsewhere in the biliary tract or adjacent structures in addition to gas in the gallbladder wall. Emphysematous cholecystitis occurs in about 1% of all cases of acute cholecystitis but carries significantly higher morbidity and mortality. Individuals most susceptible to emphysematous cholecystitis are people with diabetes mellitus and those with a weak immune system.[1][2][3][4]

Etiology

The first reported case of emphysematous cholecystitis was by Stoltz in 1901. About 1% to 3% of patients with acute cholecystitis can develop this variant. This fulminant form of cholecystitis has been reported to be more common in older patients who also have diabetes mellitus. The prevalence of emphysematous cholecystitis is three times higher in males compared to females. There is also an association with peripheral vascular disease and immunosuppression. The mortality due to this life-threatening form of cholecystitis is reported to be around 15% to 25%.[5][6][7][8]

Diabetes is noted to be present in 30% to 75% of patients with this disorder. The mean age of diagnosis is around 60.

Micro-organisms that have been isolated in patients with emphysematous cholecystitis include the following:

  • Clostridia
  • Klebsiella
  • Escherichia coli
  • Enterococci
  • Anaerobic streptococci

Epidemiology

Ischemia of the gallbladder is considered the key etiological factor in the development of this uncommon, life-threatening condition. This situation develops predominantly in an age group greater than 50 years. There is an increased incidence, especially among male diabetics. In patients who develop emphysematous cholecystitis, gallstones are often detected; however, the proportion of acalculous cholecystitis is three-fold compared to the acute cholecystitis group.

Pathophysiology

Gallbladder ischemia as a result of vascular compromise of the cystic artery is the initiating factor in the development of this pathology. Poor perfusion results in ischemia and necrosis of the gallbladder wall. The presence of ischemic tissue results in a secondary infection, with gas-forming organisms, and leads to this condition. Gas produced by the gas-forming organisms is located in the lumen or wall of the gallbladder but can occasionally spread to other parts of the biliary tract as well as peritoneum and retroperitoneum.

A background of diabetes in many of these patients creates a microenvironment which promotes the growth of anaerobic bacteria. A pathological examination of removed specimens of emphysematous cholecystitis shows a higher degree of endarteritis obliterans when compared to acute cholecystitis. The causative organisms are E coli, Aerobactor aerogens, Klebsiella spp, and Salmonella spp. Gangrene and perforation and pericholecystic abscess may ensue. Emphysematous cholecystitis is also reported in patients undergoing hemodialysis, with changes during the procedure causing a compromise of visceral circulation including the cystic artery and leading to ischemia and devitalization of the gallbladder. This form of cholecystitis has a significant mortality, bacteria-produced endotoxin, and the higher incidence of gangrene and perforation of the gallbladder.

History and Physical

The symptoms of patients with emphysematous cholecystitis often are suggestive of acute cholecystitis which can be indistinguishable from that of any other acute upper abdominal pathology such as a liver abscess or a perforated duodenal ulcer. The usual combination of presenting symptoms are right upper quadrant pain and fever with nausea or vomiting. The lack of dramatic symptoms often does not alert the clinician to an underlying sinister pathology. The symptoms may be trivial in patients with associated diabetes and renal failure; however, the patient's condition may rapidly deteriorate despite the moderate pain. If not treated early, the patient can progress to a clinical picture of frank sepsis and shock. Signs of peritonitis is an indication of perforation. Whenever there is a delay, the patient can present with tachycardia, hypotension, and cardiovascular collapse.

Evaluation

Ultrasonography, the most common radiological imaging used for gallstone disease diagnosis, has a high specificity for detecting gas in the gallbladder wall. This indicates emphysematous cholecystitis, but the sensitivity is low. During an ultrasonogram, the air in the wall or lumen of the gallbladder can interfere with the clear visualization of the gallbladder The best imaging modality to confirm the presence of emphysematous cholecystitis is a contrast-enhanced abdominal CT scan.

The plain x-ray may reveal air and/or air-fluid levels in the gallbladder.

A CT scan will confirm the presence of gas in the gallbladder wall or lumen and provide accurate information about the presence of air or fluid in the pericholecystic tissue, free air in the peritoneum, or rarely, retroperitoneum. The presence of air in the peritoneum or retroperitoneum represents a more severe form of emphysematous cholecystitis. A suggested classification according to radiological findings as progressive stages starting with detection of air limited to the gallbladder lumen and progressing to findings of air in the gallbladder and the pericholecystic tissue as the most advanced stage. MRI can provide accurate information on the presence of intramural air and necrosis. 

Blood work will usually reveal a leucocytosis, and liver function tests may be normal or abnormal. Serum glucose levels are usually elevated.

Treatment / Management

The definitive management of this condition is an emergency cholecystectomy upon diagnosis. It is possible to perform the cholecystectomy laparoscopically if gangrene or perforation of the gallbladder is not suspected. Clinical suspicion or confirmation of perforation and peritonitis indicates an open-cholecystectomy. Open surgery also is the preferred option if there is an associated pneumoperitoneum to rule out the presence of bowel perforation. The surgeon should have a low threshold for conversion to open due to the high chances of distorted anatomy or very fragile tissues. At surgery, a severely inflamed gallbladder is one with evidence of air in the pericholecystic tissue or foamy collection detected along the hepatoduodenal ligament or the right retroperitoneum. An intraoperative cholangiogram helps to avoid bile duct injury when the anatomy cannot be delineated clearly. In patients without evidence of peritonitis who cannot tolerate anesthesia because of a poor clinical condition, a reasonable intervention is to perform percutaneous radiological drainage as a temporizing option. The cholecystostomy can be followed by removal of the gallbladder at a later date once the patient's condition improves.[9][10][11]

Staging

Stage 1: Gas in the gallbladder lumen with signs of cholecystitis. Air is only seen in some parts of the gallbladder

Stage 2: Gas in the entire gallbladder wall.

Stage 3: Gas in the pericholecystic fluid, within the wall and adjacent tissues, indicating gangrene and perforation.

Prognosis

Patients with emphysematous cholecystitis can develop the following complications:

  • Septic shock
  • Cardiovascular collapse
  • Death

Complications

Complications from surgery include:

  • Bile duct injury
  • Bile duct leak
  • Wound infection
  • Postoperative abscess

Postoperative and Rehabilitation Care

Patients with emphysematous cholecystitis are critically ill and best managed in the intensive care unit. Aggressive hydration, broad-spectrum antibiotics, and cardiovascular support are necessary.

Consultations

Once the diagnosis is made, the following should be consulted:

  • Intensivist
  • Endocrinologist
  • Radiologist for percutaneous drainage
  • General surgeon

Pearls and Other Issues

Early recognition of emphysematous cholecystitis is necessary to avoid the high mortality that this fulminant condition carries. In a patient with diabetes mellitus and renal failure who presents with right upper quadrant abdominal pain and hypotension, emphysematous cholecystitis should be high on the diagnostic possibilities

Enhancing Healthcare Team Outcomes

Emphysematous cholecystitis is a surgical emergency that carries a high morbidity and mortality. Thus, it is best managed by a multidisciplinary team that includes an endocrinologist, general surgeon, emergency department physician, ICU nurses, and an intensivist. As soon as the diagnosis is made the general surgeon should be consulted as the patient needs an emergency cholecystectomy.

In unstable patients, percutaneous drainage by the radiologist may be life-saving.  The cholecystostomy can be followed by removal of the gallbladder at a later date once the patient's condition improves.

The outcomes for most patients with emphysematous cholecystitis are guarded, even after successful surgery. [12][13][12]


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Gallbladder, Cholecystitis, Clostridial (Gangrenous, Emphysematous) - Questions

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An "interrupted rim sign" on contrast-enhanced CT or MRI of the gallbladder is most suggestive of which condition?

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    Contributed by Scott Dulebohn, M.D.
Attributed To: Contributed by Scott Dulebohn, M.D.



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Select the factor that is seen in all patients diagnosed with emphysematous cholecystitis.



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A 70-year old male with diabetes mellitus type 2 presented with right upper quadrant pain. He had earlier been diagnosed with gallstones and peripheral arterial disease. On examination, he is found to be tachycardic and hypotensive. Abdominal examination findings are suggestive of peritonitis. Which of the following is not correct about his management?



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Which of the following is not correct concerning the morbidity of emphysematous cholecystitis?



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Gallbladder, Cholecystitis, Clostridial (Gangrenous, Emphysematous) - References

References

Rosenberg AA,Cherry-Bukowiec JR,Li SH,Napolitano LM, Emphysematous cholecystitis. Surgical infections. 2013 Oct;     [PubMed]
Ohtani Y,Tanaka Y,Tsukui M,Goto K,Moriya H,Tobita K,Sekka T,Saito Y,Makuuchi H,Tajima T,Mitomi T, Acute emphysematous cholecystitis associated with pneumobilia: a case report. The Tokai journal of experimental and clinical medicine. 1996 Feb;     [PubMed]
Tögel H,Sommer P, [Emphysematous cholecystitis (author's transl)]. MMW, Munchener medizinische Wochenschrift. 1981 Apr 24;     [PubMed]
Huber T,Kübler R, [Acute emphysematous cholecystitis]. Helvetica chirurgica acta. 1979 Aug;     [PubMed]
Mentzer RM Jr,Golden GT,Chandler JG,Horsley JS 3rd, A comparative appraisal of emphysematous cholecystitis. American journal of surgery. 1975 Jan;     [PubMed]
Vera K,Pei KY,Schuster KM,Davis KA, Validation of a new American Association for the Surgery of Trauma (AAST) anatomic severity grading system for acute cholecystitis. The journal of trauma and acute care surgery. 2018 Apr;     [PubMed]
Mora-Guzmán I,Martín-Pérez E, Perforated emphysematous cholecystitis and Streptococcus bovis. Revista espanola de enfermedades digestivas : organo oficial de la Sociedad Espanola de Patologia Digestiva. 2019 Feb;     [PubMed]
Mora-Guzmán I,Viamontes Ugalde FE, Emphysematous cholecystitis and cholecystocolic fistula. Acta chirurgica Belgica. 2018 Oct 29;     [PubMed]
Schiappacasse G,Soffia P,Silva C,Villacrés F, Computed tomography imaging of complications of acute cholecystitis. The Indian journal of radiology     [PubMed]
Manatakis D,Tsoukalos G, Emphysematous cholecystitis in a young patient with no risk factors. The Pan African medical journal. 2017;     [PubMed]
Bundy J,Srinivasa RN,Gemmete JJ,Shields JJ,Chick JFB, Percutaneous Cholecystostomy: Long-Term Outcomes in 324 Patients. Cardiovascular and interventional radiology. 2018 Jun;     [PubMed]
Kim KH,Kim SJ,Lee SC,Lee SK, Risk assessment scales and predictors for simple versus severe cholecystitis in performing laparoscopic cholecystectomy. Asian journal of surgery. 2017 Sep;     [PubMed]
Koole SN,Lohman BG,van Unen JM, Emphysematous cholecystitis due to Clostridium perfringens successfully treated by cholecystectomy. Acta chirurgica Belgica. 2016 Feb;     [PubMed]

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