OBJECTIVES:: To evaluate the role of the omohyoid muscle anatomic variants as a possible reversible cause of internal jugular vein extrinsic compression. METHOD:: We describe a chronic cerebro-spinal venous insufficiency patient, who presented a omohyoid muscle entrapment of the internal jugular vein, confirmed by both magnetic resonance venography and ultrasound investigation. A omohyoid muscle surgical transection together with a patch angioplasty was performed. RESULTS:: The surgical procedure led to both IJV flow restoration and neurological improvement. CONCLUSIONS:: The omohyoid muscle compression on the internal jugular vein seems to be a possible cause of venous obstruction, but several anatomical and patho-physiological aspects need further investigations. Such picture might cause balloon venous angioplasty inefficacy and needs to be preoperatively considered.

The omohyoid muscle entrapment of the internal jugular vein. A still unclear pathogenetic mechanism

GIANESINI, Sergio;MENEGATTI, Erica;MASCOLI, Francesco;ZAMBONI, Paolo
2014

Abstract

OBJECTIVES:: To evaluate the role of the omohyoid muscle anatomic variants as a possible reversible cause of internal jugular vein extrinsic compression. METHOD:: We describe a chronic cerebro-spinal venous insufficiency patient, who presented a omohyoid muscle entrapment of the internal jugular vein, confirmed by both magnetic resonance venography and ultrasound investigation. A omohyoid muscle surgical transection together with a patch angioplasty was performed. RESULTS:: The surgical procedure led to both IJV flow restoration and neurological improvement. CONCLUSIONS:: The omohyoid muscle compression on the internal jugular vein seems to be a possible cause of venous obstruction, but several anatomical and patho-physiological aspects need further investigations. Such picture might cause balloon venous angioplasty inefficacy and needs to be preoperatively considered.
2014
Gianesini, Sergio; Menegatti, Erica; Mascoli, Francesco; Salvi, F; Bastianello, S; Zamboni, Paolo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1875316
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