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Pulmonary function after lobectomy: video-assisted thoracic surgery versus thoracotomy  Masao Nakata, MD, Hideyuki Saeki, MD, Nobuji Yokoyama, MD, Akira.

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Presentation on theme: "Pulmonary function after lobectomy: video-assisted thoracic surgery versus thoracotomy  Masao Nakata, MD, Hideyuki Saeki, MD, Nobuji Yokoyama, MD, Akira."— Presentation transcript:

1 Pulmonary function after lobectomy: video-assisted thoracic surgery versus thoracotomy 
Masao Nakata, MD, Hideyuki Saeki, MD, Nobuji Yokoyama, MD, Akira Kurita, MD, Wataru Takiyama, MD, Shigemitsu Takashima, MD  The Annals of Thoracic Surgery  Volume 70, Issue 3, Pages (September 2000) DOI: /S (00)

2 Fig 1 Changes in arterial oxygen partial pressure (PaO2) during the perioperative period. PaO2 in the video-assisted thoracic surgery (VATS) group was higher than that in the thoracotomy group on the 7th postoperative day (POD) (p = 0.054). The Annals of Thoracic Surgery  , DOI: ( /S (00) )

3 Fig 2 Changes in arterial oxygen saturation (O2SAT) during the perioperative period. O2SAT in the video-assisted thoracic surgery (VATS) group was higher than that in the thoracotomy group on the 7th postoperative day (POD) (p = 0.063). The Annals of Thoracic Surgery  , DOI: ( /S (00) )

4 Fig 3 Changes in arterial carbon dioxide pressure (PaCO2) during the perioperative period. There were no differences between the thoracotomy group and the video-assisted thoracic surgery (VATS) group. (POD = postoperative day.) The Annals of Thoracic Surgery  , DOI: ( /S (00) )

5 Fig 4 Postoperative changes in forced vital capacity (FVC). Values are expressed as percentages of predicted postoperative values. On the 7th and 14th postoperative days, FVCs in the video-assisted thoracic surgery (VATS) group were slightly better than those in the thoracotomy group. In the late phase, there were no differences between the two groups. (POD = postoperative day.) The Annals of Thoracic Surgery  , DOI: ( /S (00) )

6 Fig 5 Postoperative changes in forced expiratory volume in 1 s (FEV1.0). Values are expressed as percentages of predicted postoperative values. On the 7th and 14th postoperative days, FEV1.0 in the video-assisted thoracic surgery (VATS) group were better, although not significant, than those in the thoracotomy group. In the late phase, there were no differences between the 2 groups. (POD = postoperative day.) The Annals of Thoracic Surgery  , DOI: ( /S (00) )

7 Fig 6 Postoperative changes in peak flow rate (PFR). Values are expressed as percentages of preoperative values. PFRs in the video-assisted thoracic surgery (VATS) group were significantly higher than those in the thoracotomy group in the early postoperative period. (POD = postoperative day.) The Annals of Thoracic Surgery  , DOI: ( /S (00) )

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