Spontaneous bacterial peritonitis

Bacterial Peritonitis

Introduction

Bacterial Peritonitis is a serious medical condition involving the inflammation of the peritoneum, a thin layer of tissue that lines the inside of the abdomen. This inflammation is typically caused by a bacterial infection and occurs without an obvious source. Bacterial peritonitis can be life-threatening and requires prompt medical treatment.

Pathophysiology

The peritoneum is a sterile environment, but when bacteria enter this cavity, usually from the gastrointestinal tract, it results in infection and inflammation. The body responds by producing excess fluid in the abdominal cavity, leading to swelling and pain.

Types of Bacterial Peritonitis

Primary Bacterial Peritonitis (PBP)

Occurs spontaneously, without an apparent source, often in patients with chronic liver disease or ascites.

Secondary Bacterial Peritonitis (SBP)

Develops as a result of an existing condition or injury that allows bacteria to invade the peritoneum.

Causes and Risk Factors

Factors that increase the risk of bacterial peritonitis include:

• Liver cirrhosis with ascites
• Gastrointestinal perforation
• History of abdominal surgery or trauma
• Use of peritoneal dialysis

Symptoms

Common symptoms of bacterial peritonitis include:

• Severe abdominal pain and tenderness
• Fever and chills
• Abdominal swelling (distension)
• Nausea and vomiting

Diagnosis

Diagnosis typically involves:

• Physical examination
• Blood tests to check for infection
• Imaging tests, such as CT scan or ultrasound, to view the abdomen
• Analysis of peritoneal fluid obtained through paracentesis

Treatment

Treatment for bacterial peritonitis usually includes:

• Intravenous antibiotics to treat the infection
• Treatment of underlying causes or contributing factors
• In severe cases, surgery may be necessary to address any intra-abdominal source of infection

Prevention

Preventive measures include:

• Careful management of ascites in patients with liver cirrhosis
• Aseptic techniques during peritoneal dialysis
• Prompt treatment of gastrointestinal disorders

Prognosis

The prognosis of bacterial peritonitis depends on the promptness of treatment and the patient's overall health. Early intervention can greatly improve outcomes.

References

<references>

• Mayo Clinic - Peritonitis
• National Center for Biotechnology Information - Bacterial Peritonitis

</references>

External Links

• World Health Organization
• Centers for Disease Control and Prevention

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