Spontaneous bacterial peritonitis: Difference between revisions
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Revision as of 12:47, 17 August 2009
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Template:DiseaseDisorder infobox
Spontaneous bacterial peritonitis (SBP) is a form of peritonitis that occurs in patients with cirrhosis. It occurs in 10-30% of hospitalized patients with ascites, and can cause marked decompensation of the liver disease, with other complications and death occurring frequently.
Symptoms
Symptoms include fevers, chills, nausea, vomiting, abdominal tenderness and general malaise. Patients may complain of abdominal pain and worsening ascites. It is important to emphasize, though, that hepatic encephalopathy may be the only manifestation of SBP, especially in people with cirrhosis and ascites. Indeed, in the absence of a clear precipitant for the encephalopathy, all patients should undergo paracentesis with a view towards ruling SBP in or out.
Diagnosis
Diagnosis necessitates paracentesis (needle drainage of the ascitic fluid) and laboratory confirmation of ascitic neutrophils > 250/mm3.
Treatment
Antibiotics
After confirmation of SBP, patients need hospital admission for intravenous antibiotics (most often cefotaxime given as 1gm/12hours for 5 days or ceftriaxone). They will often also receive intravenous albumin. A repeat paracentesis in 48 hours is sometimes performed to ensure control of infection. Once patients have recovered from SBP, they require regular prophylactic antibiotics (e.g. Septra DS, Cipro, norfloxicin) as long as they still have ascites.
Intravenous albumin
A randomized controlled trial found that intravenous albumin on the day of admission and on hospital day 3 can reduce renal impairment.[1]
Prevention/screening
All cirrhotic patients might benefit from antibiotics if:
- Ascitic fluid protein <1.0 g/dL[2]. Patients with fluid protein <15 g/L and either Child-Pugh score of at least 9 or impaired renal function may also benefit.[3]
- Previous SBP[4]
Cirrhotic patients admitted to the hospital should receive antibiotics if:
- They have bleeding esophageal varices[5]
References
- ↑ Sort P, Navasa M, Arroyo V; et al. (1999). "Effect of intravenous albumin on renal impairment and mortality in patients with cirrhosis and spontaneous bacterial peritonitis". N. Engl. J. Med. 341 (6): 403–9. PMID 10432325.
- ↑ Runyon BA (1986). "Low-protein-concentration ascitic fluid is predisposed to spontaneous bacterial peritonitis". Gastroenterology. 91 (6): 1343–6. PMID 3770358.
- ↑ Fernández J, Navasa M, Planas R; et al. (2007). "Primary prophylaxis of spontaneous bacterial peritonitis delays hepatorenal syndrome and improves survival in cirrhosis". Gastroenterology. 133 (3): 818–24. doi:10.1053/j.gastro.2007.06.065. PMID 17854593.
- ↑ Grangé JD, Roulot D, Pelletier G; et al. (1998). "Norfloxacin primary prophylaxis of bacterial infections in cirrhotic patients with ascites: a double-blind randomized trial". J. Hepatol. 29 (3): 430–6. PMID 9764990.
- ↑ Soares-Weiser K, Brezis M, Tur-Kaspa R, Leibovici L (2002). "Antibiotic prophylaxis for cirrhotic patients with gastrointestinal bleeding". Cochrane database of systematic reviews (Online) (2): CD002907. PMID 12076458.