Mesenteric ischemia

W D Foley1

  • 1Section of Digital Imaging, Department of Radiology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA.

Ultrasound Quarterly
|September 16, 2003
PubMed

Insights

Mesenteric ischemia, a growing concern in aging populations, presents acutely with pain and lactic acidosis or chronically mimicking malignancy. This review evaluates diagnostic imaging, including Doppler sonography, for mesenteric arterial insufficiency.

Area of Science:

  • Vascular Surgery
  • Diagnostic Imaging
  • Gastroenterology

Background:

  • Mesenteric ischemia is increasingly prevalent due to population aging.
  • Acute mesenteric ischemia often presents with abdominal pain, lactic acidosis, and organ dysfunction.
  • Chronic mesenteric ischemia can mimic malignancy due to arterial stenosis.

Purpose of the Study:

  • To review the role of diagnostic imaging in suspected acute mesenteric ischemia.
  • To evaluate imaging modalities for mesenteric arterial insufficiency.
  • To emphasize diagnostic criteria and clinical application.

Main Methods:

  • Review of current literature on diagnostic imaging for mesenteric ischemia.
  • Emphasis on Doppler sonography.
  • Evaluation of other imaging tests.

Main Results:

  • Diagnostic imaging plays a crucial role in identifying mesenteric ischemia.
  • Doppler sonography offers valuable insights into mesenteric arterial flow.
  • Specific imaging criteria aid in diagnosis.

Conclusions:

  • Accurate diagnosis of mesenteric ischemia relies on appropriate imaging selection.
  • Doppler sonography is a key tool for evaluating mesenteric arterial insufficiency.
  • Understanding diagnostic criteria improves patient outcomes.

Related Concept Videos

Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
Transient Ischemic Attack l: Introduction01:26

Transient Ischemic Attack l: Introduction

A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...
Intestinal Obstruction II: Pathophysiology01:07

Intestinal Obstruction II: Pathophysiology

Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...