Diverticulitis.

Area of Science:

• Gastroenterology
• Infectious Diseases
• Surgical Pathology

Background:

• Diverticulitis encompasses a range of conditions from mild inflammation to severe intra-abdominal sepsis and septic shock.
• It commonly manifests as left lower quadrant pain, fever, and tenderness, but can present atypically with distant infections.
• Intra-abdominal sepsis from diverticulitis contributes significantly to patient morbidity and mortality.

Purpose of the Study:

• To review the clinical spectrum, diagnosis, and management of diverticulitis.
• To highlight the role of advanced imaging and antimicrobial strategies.
• To discuss indications for surgical intervention.

Main Methods:

• Review of clinical presentations and diagnostic modalities for diverticulitis.
• Emphasis on the utility of computed tomography (CT) in diagnosis and abscess management.
• Discussion of antimicrobial therapy targeting common gut flora.

Main Results:

• Computed tomography is increasingly crucial for early diagnosis and assessing extracolonic disease extent, often replacing barium enema.
• CT-guided percutaneous drainage of abscesses is as effective as surgical drainage in many cases.
• Commonly involved microorganisms are from the lower gastrointestinal tract's commensal flora, typically sensitive to broad-spectrum antibiotics.

Conclusions:

• Diverticulitis management relies on early diagnosis, appropriate antimicrobial therapy, and timely intervention.
• Computed tomography plays a vital role in both diagnosis and guiding minimally invasive treatments like percutaneous drainage.
• Surgery is reserved for complicated cases unresponsive to conservative management or with severe complications like perforation or fistula.