 Complications Stroke Heart failure due to cardiomyopathy and pericarditis Intestinal necrosis and perforation Causes There is no association with ANCA , but about 30\% of people with PAN have chronic hepatitis B and deposits containing HBsAg-HBsAb complexes in affected blood vessels, indicating an immune complex–mediated cause in that subset.
<meaning-changed>  Complications Stroke Heart failure due to cardiomyopathy and pericarditis Intestinal necrosis and perforation Causes There is no association with ANCA , but about 30\% of people with PAN have chronic hepatitis B and deposits containing HBsAg-HBsAb complexes in affected blood vessels, indicating an immune complex–mediated cause in that subset.
 Complications Stroke Heart failure due to cardiomyopathy and pericarditis Intestinal necrosis and perforation Causes There is no association with anti-neutrophil cytoplasmic antibodies , but about 30\% of people with PAN have chronic hepatitis B and deposits containing HBsAg-HBsAb complexes in affected blood vessels, indicating an immune complex–mediated cause in that subset.