Dilatation of Bronchial Arteries Correlates With Extent of Central Disease in Patients With Chronic Thromboembolic Pulmonary Hypertension

• Shimizu Hidefumi

  Department of Respirology, Graduate School of Medicine, Chiba University

• Tanabe Nobuhiro

  Department of Respirology, Graduate School of Medicine, Chiba University

• Terada Jiro

  Department of Respirology, Graduate School of Medicine, Chiba University

• Masuda Masahisa

  National Hospital Organization, Chiba Medical Center

• Sakao Seiichiro

  Department of Respirology, Graduate School of Medicine, Chiba University

• Kasahara Yasunori

  Department of Respirology, Graduate School of Medicine, Chiba University

• Takiguchi Yuichi

  Department of Respirology, Graduate School of Medicine, Chiba University

• Tatsumi Koichiro

  Department of Respirology, Graduate School of Medicine, Chiba University

• Kuriyama Takayuki

  Department of Respirology, Graduate School of Medicine, Chiba University

Abstract

Background Dilatation of the bronchial arteries is a well-recognized feature in patients with chronic thromboembolic pulmonary hypertension (CTEPH). The purpose of the current study was to use computed tomography (CT) to assess the relationship between dilated bronchial arteries and the extent of thrombi, and to evaluate the predictive value of the former for surgical outcome. Methods and Results Fifty-nine patients with CTEPH and 16 with pulmonary arterial hypertension (PAH) were retrospectively evaluated. The total cross-sectional area of bronchial arteries was measured by CT and its relationship with the central extent of thrombi or surgical outcome was assessed. The total area of the bronchial arteries in CTEPH patients was significantly larger than that in PAH patients (median [range], 6.9 [1.7-29.5] mm² vs 3.2 [0.8-9.4] mm²), with the total area of bronchial arteries correlating with the central extent of thrombi. In patients who had undergone pulmonary thromboendarterectomy (PTE) (n=22), the change in PaO₂ after surgery had a tendency to correlate with the total area of the bronchial arteries. Conclusion The total cross-sectional area of the bronchial arteries correlated with the extent of central disease in patients with CTEPH, and it might predict gas exchange improvement after PTE. (Circ J 2008; 72: 1136 - 1141)<br>

Journal

• Circulation Journal

  Circulation Journal 72 (7), 1136-1141, 2008

  The Japanese Circulation Society

Keywords

• Bronchial artery
• Chronic thromboembolic pulmonary hypertension
• Pulmonary circulation
• Pulmonary embolism

Details

• CRID: 1390001205101993344
• NII Article ID: 110006792068
• NII Book ID: AA11591968
• DOI: 10.1253/circj.72.1136
• ISSN: 13474820
• ISSN: 13469843
• Web Site: http://www.jstage.jst.go.jp/article/circj/72/7/72_7_1136/_pdf
• Web Site: https://search.jamas.or.jp/link/ui/2008362001
• Text Lang: en
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed