Postoperative hypertension after radical neck dissection was detected
in 20.2% of 109 neck dissections in our department between 1989 and 19
93, It was probably caused by carotid sinus denervation and appeared a
fter the vasodilation generated by anesthesia had subsided, If postope
rative hypertension was encountered after the first operation, the ris
k of such hypertension after surgery on the contralateral side signifi
cantly increased.