Mesenteric ischemia medical therapy

Mesenteric ischemia Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Feham Tariq, MD [2]

Overview

Mesenteric ischemia is a medical emergency and requires prompt treatment. The mainstay of treatment is surgery if bowel necrosis or gangrene has occurred , whereas medical therapy is considered initially for hemodynamically unstable patients.

Medical Therapy

• Pharmacologic medical therapy is recommended among patients with [disease subclass 1], [disease subclass 2], and [disease subclass 3].
• Pharmacologic medical therapies for mesenteric ischemia include heparin, [therapy 2], and/or [therapy 3].
• Patients with [disease subclass 1] are treated with [therapy 1], whereas patients with [disease subclass 2] are treated with [therapy 2].

Initial management:

Mesenteric ischemia is an acute emergency condition that requires prompt intervention. The outline of initial medical management of all types of meseneteric ischemia includes:

• Pain control
• Fluid resuscitation
• Hemodynamic support and monitoring
• Correction of electrolyte abnormalities
• Anticoagulation
• Broad sprectrum antibiotics
• Gastrointestinal decompression

Cause specific management of mesenteric ischemia:

Management according to the severity of presentation:

Acute embolic mesneteric ischemia is managed according to the hemodyanamic stabilty or the presence/abscene of peritoneal signs.

Emolic mesenteric arterial occlusion

Anticoagualation with heparin Pain management

Peritoneal signs

Yes

No

Computed tomographic angiography

Embolus present

Thrombolysis

Repeat imaging

B01

B03

C03

D02

B01

B02

C01

B01

A01

A02

A03

B01

B02

C01

C02

D01

E01

D01

Multimodal management of mesenteric ischemia
Early management					Late management
Pathophysiological events	Vascular occlusion	Splanchnic hypoperfusion	Intestinal hypoxia	Intestinal barrier injury Translocation Local inflammatory pathway	Systemic inflammatory pathways	Necrosis Organ failure
Treatment strategy	Heparin Aspirin Revascularization	Oxygen Blood volume resuscitation Transfusion		Oral antibiotics	Intravenous antibiotics	Intestinal resection