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The role of the microcirculation in multiple organ dysfunction syndrome (MODS): a review and perspective
C J Kirkpatrick1, F Bittinger, C L Klein
1Institute of Pathology, Clinics of the Johannes Gutenberg-University, Mainz, Germany.
Abstract:
Major advances in intensive care medicine during the past two decades have altered the spectrum of disease encountered by intensive care physicians, anaesthesiologists, traumatologists and pathologists. One of the most important manifestations of severe trauma or infections is the multiple organ dysfunction syndrome (MODS), a life-threatening condition that often ends in multiple organ failure (MOF) and death. Evidence gathered from clinical and morphological observations in humans, taken together with experimental animal studies and a vast accumulation of in vitro data, clearly indicate that the microcirculation lies at the centre of this complex process, which results in peripheral vascular insufficiency, inadequate oxygen delivery to vital organs, and hence, severe organ dysfunction. The multifunctional nature of the endothelium makes it a prime candidate for study of the pathomechanisms of MODS. This paper reviews the evidence for the hypothesis that the microcirculation, and in particular its endothelial component, has a central role in the pathogenesis of MODS. The evidence is reviewed principally from the standpoints of classical morbid anatomy and cell pathobiology.
Insights
Severe trauma and infections can lead to multiple organ dysfunction syndrome (MODS). Research indicates the microcirculation and its endothelium are central to MODS pathogenesis, affecting organ function.
Area of Science:
- Intensive Care Medicine
- Pathology
- Vascular Biology
Background:
- Advances in intensive care have changed disease spectrums.
- Multiple Organ Dysfunction Syndrome (MODS) is a critical condition often leading to death.
- MODS is characterized by peripheral vascular insufficiency and inadequate oxygen delivery.
Purpose of the Study:
- To review evidence supporting the central role of microcirculation in MODS pathogenesis.
- To investigate the endothelial component's role in MODS.
- To synthesize findings from clinical, morphological, animal, and in vitro studies.
Main Methods:
- Review of clinical and morphological observations in humans.
- Analysis of experimental animal studies.
- Examination of in vitro data.
- Focus on classical morbid anatomy and cell pathobiology.
Main Results:
- The microcirculation is identified as central to MODS.
- Endothelial dysfunction is implicated in the progression of MODS.
- Peripheral vascular insufficiency and inadequate oxygen delivery are key consequences.
Conclusions:
- The microcirculation, particularly its endothelium, plays a pivotal role in the pathogenesis of MODS.
- Understanding endothelial pathobiology is crucial for addressing MODS.
- This review consolidates evidence from diverse research approaches.