{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T02:05:43Z","timestamp":1793325943002,"version":"4.5.0"},"reference-count":29,"publisher":"Wiley","issue":"13","license":[{"start":{"date-parts":[[2022,5,25]],"date-time":"2022-05-25T00:00:00Z","timestamp":1653436800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Thoracic Cancer"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Iatrogenic pneumothorax is the most frequent complication in preoperative CT\u2010guided localization (POCTGL) of lung nodules. We aimed to determine the predictive factors of iatrogenic pneumothorax.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We retrospectively analyzed data of consecutive POCTGL procedures in patients who received video\u2010assisted thoracoscopic surgery (VATS) at our hospital between May 2015 and October 2019. All of our patients utilized laser angle guide assembly to aid in the localization procedures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In 610 consecutive POCTGL procedures, 40 (6.6%) patients developed iatrogenic pneumothorax, and complications occurred in 8.5%. Univariate analyses revealed that puncture frequency, male gender, puncture depth, left decubitus position, and nodule near fissure were factors associated with pneumothorax, while multivariate analysis showed that only male gender (odds ratio 3.58, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.012) and puncture frequency (odds ratio 2.39\/time, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.0004) determined development of pneumothorax. Further collective analysis on puncture frequency revealed that tumor in a difficult zone (1.33\u2009\u00b1\u20090.71 vs. 1.19\u2009\u00b1\u20090.45, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.002), especially adjacent to the mediastinum (1.41\u2009\u00b1\u20090.75 vs. 1.21\u2009\u00b1\u20090.52, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.002), angle difference of plan\u2010to\u2010practice (r\u00a0=\u00a00.209, <jats:italic>p<\/jats:italic>\u00a0=\u00a0&lt;\u20090.001), depth to skin (r\u00a0=\u00a00.152, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001), and depth to pleura (r\u00a0=\u00a00.164, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001) were factors related to increased puncture frequency in univariate analyses. Only angle difference of plan\u2010to\u2010practice was associated in multivariate analysis (odds ratio: 1.158, <jats:italic>p<\/jats:italic>\u00a0=\u00a00.008).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Puncture frequency was the key factor in the development of iatrogenic pneumothorax from POCTGL. Other associated factors, especially angle difference, may have affected the puncture frequency and subsequently have some influence on the incidence of iatrogenic pneumothorax.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1759-7714.14457","type":"journal-article","created":{"date-parts":[[2022,5,26]],"date-time":"2022-05-26T03:24:51Z","timestamp":1653535491000},"page":"1925-1932","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Puncture frequency predicts pneumothorax in preoperative computed tomography\u2010guided lung nodule localization for video\u2010assisted thoracoscopic surgery"],"prefix":"10.1111","volume":"13","author":[{"given":"Jing\u2010Yang","family":"Huang","sequence":"first","affiliation":[{"name":"College of Medicine Chung Shan Medical University  Taichung Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stella 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