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Published on: October 20, 2023
Chronic splanchnic ischaemia
J H van Bockel1, R H Geelkerken, M N Wasser
1Department of Vascular Surgery, Leiden University Medical Centre, Leiden, 2300 RC, The Netherlands. bockel@lumc.nl
Insights
Chronic splanchnic ischemia, caused by narrowed arteries, leads to pain and weight loss. Diagnosis is challenging, but advanced imaging and tonometry show promise for understanding and managing this condition.
Area of Science:
- Vascular Surgery
- Gastroenterology
- Diagnostic Imaging
Background:
- Chronic splanchnic ischemia is a rare condition characterized by pain and weight loss due to stenosis or occlusion of the coeliac and superior mesenteric arteries, often caused by atherosclerosis.
- Collateral circulation can compensate for reduced blood flow, but the exact pathophysiology remains unclear.
- Accurate diagnosis is difficult due to the lack of traditional hemodynamic assessment tools.
Purpose of the Study:
- To review the diagnostic challenges and therapeutic options for chronic splanchnic ischemia.
- To highlight advancements in diagnostic modalities and their role in patient evaluation.
- To discuss the natural history and management strategies for this condition.
Main Methods:
- Review of existing literature on chronic splanchnic ischemia.
- Discussion of diagnostic tools including duplex ultrasound, magnetic resonance angiography, and tonometry.
- Analysis of therapeutic interventions such as surgical reconstruction and angioplasty.
Main Results:
- Duplex ultrasound and MRI have improved diagnostic accuracy for splanchnic circulation abnormalities.
- Tonometry presents a promising functional test for evaluating pathophysiology and clinical status.
- Surgical revascularization offers excellent short- and long-term outcomes.
- Angioplasty with stenting shows potential for symptom relief in high-risk patients.
Conclusions:
- Chronic splanchnic ischemia diagnosis and management have advanced with improved imaging and functional tests.
- Surgical reconstruction remains the gold standard, while endovascular procedures offer an alternative for select patients.
- Further research into tonometry may enhance understanding and clinical evaluation of this syndrome.
Abstract:
Chronic splanchnic ischaemia is a relatively unusual clinical entity consisting of pain and/or weight loss and caused by chronic splanchnic disease (i.e. stenosis and/or occlusion of the coeliac and superior mesenteric artery). The occlusive disease is usually caused by atherosclerosis and is in itself not rare in older individuals. Extensive collateral circulation can develop between the three splanchnic arteries and may compensate for the decreased splanchnic perfusion over time. The pathophysiology of chronic splanchnic ischaemia has still not been completely elucidated.A reliable diagnosis of chronic splanchnic ischaemia, based on a proven causal relationship between the occlusive disease and the symptoms, can be very difficult. Traditionally, tests for evaluating the haemodynamic consequences of the vascular stenoses were not available. Important improvements in establishing a more reliable diagnosis have been achieved with duplex ultrasound and magnetic resonance evaluation of the splanchnic circulation. Tonometry is another promising functional test that may prove useful not only for gaining greater insight into the pathophysiology of chronic splanchnic ischaemia but also for the clinical evaluation of this syndrome. The natural history of chronic splanchnic disease suggests that progressive disease may result in acute mesenteric ischaemia. Surgical reconstruction of the coeliac and/or the superior mesenteric artery is the therapeutic standard with excellent short and long-term results. Satisfactory early results using angioplasty with or without stent suggest that this type of intervention may relieve symptoms in selected patients with a higher surgical risk.
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