Pancreatic microcirculation

The pancreatic microcirculation is the intricate network of arterioles, capillaries, and venules that sustains the metabolic demands of both the exocrine and endocrine components of the pancreas [1][4]. It serves as the primary conduit for delivering oxygen and nutrients while facilitating the rapid systemic transport of vital hormones such as insulin and glucagon [1][5]. Dysfunction of this microvascular bed, characterized by impaired capillary blood flow and increased vascular permeability, is a central event in the pathogenesis of acute pancreatitis [2][3]. Such disturbances can lead to ischemia, hypoxia, and subsequent tissue necrosis, which significantly influences the severity of the disease [4]. In chronic conditions like diabetes or pancreatic cancer, microcirculatory changes contribute to islet cell failure or the development of a hypoxic, chemoresistant tumor microenvironment [5][7]. Therapeutic interventions targeting this system aim to restore perfusion and reduce edema using agents like endothelin receptor antagonists, anticoagulants, and optimized fluid resuscitation [2][3][6].

Other names

Pancreatic microvasculaturePancreatic capillary blood flowIslet microvasculaturePancreatic capillary bed

Restoration of capillary perfusion, reduction of microvascular permeability, inhibition of intravascular microthrombosis, and modulation of endothelial-leukocyte interactions