Patency assessment of the internal jugular vein after neck dissection

T. Nagata, K. Matsunaga, T. Kawazu, S. Kawano, K. Oobu, M. Ohishi

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


Twenty-seven patients with oral malignant tumours, who underwent neck dissection with preservation of the internal jugular vein (IJV), were studied retrospectively to evaluate patency of the IJV. Twenty-three patients underwent ablative surgery of the primary lesion with neck dissection and 4 underwent neck dissection alone. Three patients received simple closure and skin grafting of the primary lesion, and 20 received reconstruction surgery (4 platysma flaps, 3 radial forearm flaps, 3 lateral upper arm flaps, 2 pectoralis major myocutaneous flaps and 8 rectus abdominis myocutaneous flaps). The maximum and minimum diameters of the IJV as measured on computed tomographic (CT) scans were used to assess patency. The cross-sectional area of the IJV and the ratio of its long axis to short axis (L/S ratio) were calculated. The relation between the change in IJV status and the type of flap used for reconstruction was also examined. Occlusion of the IJV was present in 3.7% of the patients, and 'narrowing' was present in 63.6%. The size of the flap significantly correlated with 'narrowing' of the IJV, suggesting that 'narrowing' was caused mainly by compression due to the flap.

Original languageEnglish
Pages (from-to)416-420
Number of pages5
JournalInternational Journal of Oral and Maxillofacial Surgery
Issue number5
Publication statusPublished - May 2006
Externally publishedYes


  • enhanced CT
  • internal jugular vein
  • neck dissection
  • patency

ASJC Scopus subject areas

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology


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