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Related Experiment Video

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Three-Dimensional Echocardiographic Method for the Visualization and Assessment of Specific Parameters of the Pulmonary Veins
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Published on: October 28, 2020

Pulmonary vein analysis using three-dimensional computed tomography angiography for thoracic surgery.

Tadashi Akiba1, Hideki Marushima, Makoto Odaka

  • 1Department of Surgery, Jikei University Kashiwa Hospital, 163-1 Kashiwashita, Kashiwa, Chiba 277-8567, Japan. akiba@jikei.ac.jp

General Thoracic and Cardiovascular Surgery
|July 15, 2010
PubMed
Summary

This study reveals common pulmonary vein variations, particularly frequent common ostia on the left and early branching of the right inferior pulmonary vein, crucial for thoracic surgery planning.

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Area of Science:

  • Thoracic surgery
  • Anatomical variations
  • Medical imaging

Background:

  • Pulmonary vein anatomy is critical for thoracic and video-assisted thoracoscopic surgery (VATS).
  • Limited data exists on the prevalence and types of pulmonary vein anatomical variations relevant to VATS procedures.

Purpose of the Study:

  • To investigate the frequency and types of pulmonary vein anatomical variations.
  • To assess the utility of three-dimensional multidetector computed tomography (3D-MDCT) angiography for preoperative anatomical assessment in VATS.

Main Methods:

  • Retrospective review of 140 patients' 3D-MDCT pulmonary angiography scans.
  • Analysis conducted on preoperative scans obtained between June 2006 and February 2009.

Main Results:

  • Most patients exhibited standard pulmonary vein anatomy (left: 98%, right: 86%).
  • Common variations included multiple right pulmonary vein branches (10% with three, 4% with four/five), frequent common ostia (left: 33%, right: 13%), and early right inferior pulmonary vein branching (23%).
  • Independent middle lobe vein drainage into the left atrium occurred in 8% of patients.

Conclusions:

  • Common ostia are more prevalent on the left side; middle lobe variations and early right inferior pulmonary vein branching are frequent.
  • Preoperative 3D-MDCT angiography accurately depicts pulmonary vein anatomy, aiding surgical planning for VATS.