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Interactive Cardiovascular and Thoracic Surgery 2:688-691(2003)
© 2003 European Association of Cardio-Thoracic Surgery

Institutional review - Thoracic general

Diaphragmatic elevation of a patient with chronic obstructive pulmonary disease after left upper lobectomy

Fengshi Chen, Masanao Nakai, Akihiro Aoyama, Noritaka Isowa and Koji Chihara*

Division of Thoracic Surgery, Shizuoka City Hospital, 10-93, Ohtemachi, Shizuoka, 420-8630, Japan

* Corresponding author. Tel.: +81-542533125; fax: +81-542520918
echihara{at}mb.infoweb.ne.jp

Among postoperative pleural space problems after pulmonary resections, it is more difficult and troublesome to manage this space after left upper lobectomy in patients with chronic obstructive pulmonary disease (COPD). We performed a retrospective study focusing on the elevation of ipsilateral hemidiaphragm of the 36 patients with or without COPD after left upper lobectomies, by measuring diaphragmatic dome length (DDL) with a plain posteroanterior roentgenogram. They were divided into two groups: group I (forced expiratory volume in 1 s (FEV1) % predicted <70%, ); and group II (FEV1) % predictedgreater double equals70%, ). Of each group, we investigated the trend of both left and right DDLs perioperatively, calculating DDL index (DDL divided by height, DDLI), and also analyzed several perioperative parameters. The trend of left DDLI after surgery was different in the two groups (). In group I, left DDLI became larger gradually in proportion to the postoperative weeks, while in group II it became the largest 2 weeks after surgery and decreased gradually. Left DDLI in group I was smaller than that in group II 2 weeks after surgery (). We found that the diaphragm of COPD patients does not elongate easily after left upper lobectomy.

Key Words: Diaphragm; Chronic obstructive pulmonary disease; Lobectomy; Lung cancer

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