THE EFFECT OF CARDIAC LYMPHOSTASIS ON THE MICROCIRCULATION OF THE HEART

F Solti, G Ungvary, P Gloviczki, M Sebestyen, E Tatrai, G Toreky

Abstract


The effect of cardiac lymphostasis on the microcir­ culation of the heart was studied in 18 dogs. By ligation of the main lymph trunks and regional lymph nodes of the heart , cardiac lymphoedema - lympho­genic cardiomyopathy  -   was induced in 9 dogs, while 9 served as control animals. For microcircula­tory  investigations:

1)  gelatin Indian ink injection, 2 benzidine  reaction,

3)  PVC injection corrosion preparation was applied.

Characteristic changes were demonstrated in the mi­crocirculation and capillary  circulation of the  heart in cardiac lymphostasis. In some capillaries - mainly where interstitial oedema exists - the capillary cir­ culation decreased: inhom ogeneously vessel-free spots were formed in the heart. Around the vessel­ free capillaries, elongated capillaries were found in­ cluding very dilated pre- and post-capillary vessel sections. Arteriovenous shunts can be revealed in   the heart in consequence of lymphoedema.

The pathogenesis of the microcirculatory circulation changes caused by  cardiac  lymphostasis  was discussed.


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