All surgeries were well tolerated and accepted with a good compliance by all patients. They have been affected by the resection of 16 muscles on the right and 14 left.
No major or minor complication was recorded during surgery. No problem at the level of surgical incisions that have healed without complications and with good aesthetic outcome.
a) test of the platysma - with the execution of this operation, in normal ranges cervical superficial and media are dragged from the muscle and vein dilates enormously. In 15% of patients observed previously subjected to PTA, the test does not cause any expansion of the jugular vein, the vessel appears motionless and look round. This framework is due to the fixity of the band and was subsequently confirmed intraoperatively.
b) test Omo-hyoid-sternocleidomastoid - asks the patient with shoulders down and chin up to rotate the head to the maximum counter-lateral to the point of observation. In control subjects normal in such a situation the sternocleidomastoid and omohyoid are stretched but turn away from the vein, which increases in size and flow, as the contralateral is compressed by the movement. Is considered pathological the case in which, already in basal conditions, the muscle complex completely compresses the vein throughout the course so as to not be detectable by ultrasound.
The authors have chosen to make only the ECD in view of the fact that it is in a sitting position that the real conflict is true veno-muscular. With the patient supine, the neck muscles did not load and therefore does not create dynamic compression
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