TITLE

THE OXYGEN SUPPLY TO MUSCLES AND SUBCUTIS BEFORE AND AFTER ELIMINATION OF THE LUMBAR SYMPATHETIC TRUNK IN PATIENTS SUFFERING FROM OBLITERATIVE VASCULAR DISEASES OF THE LOWER LIMBS

AUTHOR(S)
Hiemstra, H. R.
PUB. DATE
February 1965
SOURCE
Angiology;Feb1965, Vol. 16 Issue 2, p75
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
With the aid of amperometric oxygen measurement. in muscles and subcutaneous tissues of the leg in patients with obliterative arterial vascular diseases, a study has been made on the direct effect of elimination of the lumbar sympathetic chain on the nutritive blood supply of the tissues. At a room temperature of 20�C if there are no trophic disturbances, a much stronger vasoconstriction occurs at the foot than at other sites of the leg. In contrast, the blood supply after sympathetic block proved to be better at the foot than elesewhere. Blood supply to the resting calf-muscles did not change after blocking of the lumbar chain. In the event of trophic disturbances, the effect of lumbar block proved to be much less or even nonexistent. If there is pregangrene, local vasodilation is independent of sympathetic tonus. Physiologic vasoconstriction at the foot as reaction to cold is regarded as very dangerous to the ischemic extremity. It is recommended to perform lumbar sympathectomy in the earliest possible stage in patients who are not suitable candidates for vascular surgery, so as to prevent the detrimental vasoconstriction.
ACCESSION #
16378158

 

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