A comprehensive approach using MR imaging to diagnose acute segmental mesenteric ischemia in a porcine model.

Chan, Frandics P.; Li, King C.; Heiss, Steven G.; Razavi, Mahmood K.

doi:10.2214/ajr.173.3.10470873

Cited by 20 publications

(3 citation statements)

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“…In addition, radiation exposure and the potential renal toxicity of the contrast agents remain a concern. Magnetic resonance imaging has been reported to be another useful method for detecting bowel ischemia (7,8).…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Bowel Ischemia with Contrast-enhanced US: Initial Experience

Hata¹,

Kamada²,

Haruma³

et al. 2005

Radiology

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Section: Discussionmentioning

confidence: 99%

Evaluation of Bowel Ischemia with Contrast-enhanced US: Initial Experience

Hata¹,

Kamada²,

Haruma³

et al. 2005

Radiology

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“…43 However, clinical evidence of the superiority of these diagnostic modalities over CT is not yet available. 44 Duplex sonography is also a potentially useful diagnostic modality for acute intestinal ischemia, although it is highly user-dependent and diminished blood flow can only be confirmed in the mesenteric trunks. 45,46 Moreover, these recent imaging devices have only limited value in the diagnosis of NOMI.…”

Section: Common Clinical Features and Diagnosis Of Amimentioning

confidence: 99%

Acute Mesenteric Ischemia: The Challenge of Gastroenterology

2005

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Intestinal ischemia has been classified into three major categories based on its clinical features, namely, acute mesenteric ischemia (AMI), chronic mesenteric ischemia (intestinal angina), and colonic ischemia (ischemic colitis). Acute mesenteric ischemia is not an isolated clinical entity, but a complex of diseases, including acute mesenteric arterial embolus and thrombus, mesenteric venous thrombus, and nonocclusive mesenteric ischemia (NOMI). These diseases have common clinical features caused by impaired blood perfusion to the intestine, bacterial translocation, and systemic inflammatory response syndrome. Reperfusion injury, which exacerbates the ischemic damage of the intestinal microcirculation, is another important feature of AMI. There is substantial evidence that the mortality associated with AMI varies according to its cause. Nonocclusive mesenteric ischemia is the most lethal form of AMI because of the poor understanding of its pathophysiology and its mild and nonspecific symptoms, which often delay its diagnosis. Mesenteric venous thrombosis is much less lethal than acute thromboembolism of the superior mesenteric artery and NOMI. We present an overview of the current understanding of AMI based on reported evidence. Although AMI is still lethal and in-hospital mortality rates have remained high over the last few decades, accumulated knowledge on this condition is expected to improve its prognosis.

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“…In addition, radiation exposure and potential nephrotoxicity from the contrast agents as well as the risk of an allergic reaction to the contrast agents remain a concern [2]. Magnetic resonance angiography (MRA) is another imaging modality that can be used to diagnose mesenteric ischemia [26][27][28]. At present, however, MRA lacks the resolution required to diagnose bowel hypoperfusion arising from distal embolic diseases [1].…”

Section: Discussionmentioning

confidence: 99%