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Colon Ascendens Stent Peritonitis (CASP) - a Standardized Model for Polymicrobial Abdominal Sepsis
Published on: December 18, 2010
Difficult to treat spontaneous bacterial peritonitis
Shalimar1, Subrat Kumar Acharya
1Department of Gastroenterology and Human Nutrition Unit, All India Institute of Medical Science, New Delhi, India.
Abstract:
Spontaneous bacterial peritonitis (SBP) is the most frequent infection in patients with cirrhosis. It is associated with high mortality at admission and its occurrence alters the natural course with a high 1 year mortality. Presence of > 250 polymorphonuclear cell (PMN)/mm3 in the India ascitic fluid is diagnostic of SBP. SBP is usually treated with IV antibiotics using third generation cephalosporins and fluoroquinolones. However, despite effective initial treatment subsequent recurrence of SBP with its accompanying mortality has resulted in use of long term antibiotic prophylaxis and such patients are recommended for liver transplant. An increased frequency of multidrug resistant bacterial SBP has recently been recognised with use of prophylaxis and is associated with enhanced mortality. Further, cirrhotics get repeated hospitalisation and ICU care leading to nosocomial infection causing SBP. Therefore, frequency of multidrug resistant bacteria induced SBP among the above settings has increased and the relative risk (RR) of mortality with bacterial resistance has been estimated to be 4 times higher than in patients with SBP without bacterial resistance. Therapeutic approach in such patients at present is a clinical challenge and they are difficult to treat patients. Therefore, SBP can be categorized into community acquired and nosocomial! multidrug resistant SBP.
Insights
Spontaneous bacterial peritonitis (SBP) in cirrhosis patients is a frequent, deadly infection. Rising multidrug-resistant SBP, especially nosocomial infections, presents a significant therapeutic challenge with increased mortality risk.
Area of Science:
- Hepatology
- Infectious Diseases
- Critical Care Medicine
Background:
- Spontaneous bacterial peritonitis (SBP) is the most common infection in cirrhosis patients, carrying high mortality.
- SBP significantly worsens the prognosis of cirrhosis, leading to increased short-term and long-term mortality.
- Diagnosis is confirmed by >250 polymorphonuclear cells/mm³ in ascitic fluid.
Purpose of the Study:
- To highlight the increasing challenge of multidrug-resistant (MDR) SBP.
- To differentiate community-acquired versus nosocomial MDR SBP.
- To underscore the therapeutic difficulties and increased mortality associated with MDR SBP.
Main Methods:
- Review of current literature on SBP diagnosis and treatment.
- Analysis of SBP occurrence in hospitalized and ICU settings.
- Assessment of the impact of antibiotic prophylaxis on bacterial resistance.
Main Results:
- Multidrug-resistant SBP is increasingly recognized, particularly in nosocomial settings and with antibiotic prophylaxis.
- Bacterial resistance in SBP is associated with a four-fold higher relative risk of mortality.
- Therapeutic options for MDR SBP are limited, posing a clinical challenge.
Conclusions:
- SBP management is complicated by the rise of multidrug-resistant organisms.
- Nosocomial MDR SBP represents a critical subgroup requiring specific attention.
- Effective treatment strategies for MDR SBP are urgently needed to improve patient outcomes.
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