Ohtaka Kazuto, Takahashi Yasuhiro, Kaga Kichizo, Senmaru Naoto, Kotani Yoshihisa, Matsui Yoshiro
Department of Thoracic Surgery, Steel Memorial Muroran Hospital, Chiribetsu-cho, 050-0076 Muroran, Hokkaido, Japan.
J Cardiothorac Surg. 2014 Jun 20;9:110. doi: 10.1186/1749-8090-9-110.
The O-arm is an intraoperative imaging device that can provide computed tomography images. Surgery for small lung tumors was performed based on intraoperative computed tomography images obtained using the O-arm. This study evaluated the usefulness of the O-arm in thoracic surgery.
From July 2013 to November 2013, 10 patients with small lung nodules or ground glass nodules underwent video-assisted thoracoscopic surgery using the O-arm. A needle was placed on the visceral pleura near the nodules. After the lung was re-expanded, intraoperative computed tomography was performed using the O-arm. Then, the positional relationship between the needle marking and the tumor was recognized based on the intraoperative computed tomography images, and lung resection was performed.
In 9 patients, the tumor could be seen on intraoperative computed tomography images using the O-arm. In 1 patient with a ground glass nodule, the lesion could not be seen, but its location could be inferred by comparison between preoperative and intraoperative computed tomography images. In only 1 patient with a ground glass nodule, a pathological complete resection was not performed. There were no complications related to the use of the O-arm.
The O-arm may be an additional tool to facilitate intraoperative localization and surgical resection of non-palpable lung lesions.
O型臂是一种可提供计算机断层扫描图像的术中成像设备。基于使用O型臂获取的术中计算机断层扫描图像对小肺肿瘤进行手术。本研究评估了O型臂在胸外科手术中的实用性。
2013年7月至2013年11月，10例患有小肺结节或磨玻璃结节的患者使用O型臂接受了电视辅助胸腔镜手术。在结节附近的脏层胸膜上放置一根针。肺复张后，使用O型臂进行术中计算机断层扫描。然后，根据术中计算机断层扫描图像识别针标记与肿瘤之间的位置关系，并进行肺切除。
9例患者在使用O型臂的术中计算机断层扫描图像上可见肿瘤。1例磨玻璃结节患者，病变不可见，但通过术前和术中计算机断层扫描图像的比较可推断其位置。仅1例磨玻璃结节患者未进行病理完全切除。未发生与使用O型臂相关的并发症。
O型臂可能是一种有助于术中定位和切除不可触及肺病变的辅助工具。
