How to manage lower gastrointestinal bleeding in 2022?

Area of Science:

• Gastroenterology
• Internal Medicine
• Emergency Medicine

Background:

• Lower gastrointestinal bleeding (LGIB) is common in older patients, often with comorbidities and anticoagulant use.
• Spontaneous resolution occurs in most cases, but recurrence is possible.
• Common causes include diverticular disease, vascular disorders, and colitis, with a significant percentage presenting in hypovolemic shock.

Purpose of the Study:

• To outline the diagnostic and therapeutic strategies for managing lower gastrointestinal bleeding.
• To emphasize the importance of identifying the bleeding source and patient's hemodynamic status.

Main Methods:

• Initial management involves hemodynamic stabilization, coagulation correction, and transfusions.
• Diagnostic tools include digital rectal examination, upper endoscopy for severe LGIB, and CT angiography to localize the source.
• Therapeutic options depend on bleeding source and patient condition, including colonoscopy, embolization, or surgery.

Main Results:

• CT angiography can pinpoint bleeding sources, guiding subsequent interventions.
• Therapeutic decisions are tailored to the cause of bleeding and patient's overall health.
• Ambulatory colonoscopy is recommended within 14 days for stable patients (Oakland score ≤10).

Conclusions:

• Effective management of LGIB requires prompt assessment of hemodynamic status and bleeding source.
• Treatment strategies should be individualized, considering patient comorbidities and medication use.
• Careful consideration of anticoagulant/antiplatelet therapy is necessary on a case-by-case basis.