{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T07:53:42Z","timestamp":1773215622165,"version":"3.50.1"},"reference-count":11,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"C","license":[{"start":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T00:00:00Z","timestamp":1756684800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T00:00:00Z","timestamp":1756684800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2025,7,14]],"date-time":"2025-07-14T00:00:00Z","timestamp":1752451200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>Subcutaneous and mediastinal emphysema after lobectomy is uncommon and is typically caused by minor air leakage from the residual lung; however, the development of a contralateral pneumothorax is particularly rare, and if missed, it can be fatal.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Presentation of cases:<\/jats:title>\n                    <jats:p>Two cases of subcutaneous and mediastinal emphysema occurring after a lobectomy in a 77-year-old man and a 78-year-old man are reported here. The former received conservative treatment, while the latter he developed a pneumothorax on the side contralateral to the surgical site after readmission. Chest tube drainage was then performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion:<\/jats:title>\n                    <jats:p>The occurrence of subcutaneous and mediastinal emphysema after lobectomy is not uncommon. Conservative management is often sufficient if no pneumothorax is present, as in Case 1. However, in Case 2, pneumothorax occurred on the contralateral side due to a minor air leakage, which is an unusual complication. Generally, a pneumothorax of the residual lung on the surgical side occurs earlier than a pneumothorax on the contralateral lung. The earlier onset on the contralateral side in Case 2 suggests that the pressure threshold for rupturing the contralateral mediastinal pleura and\/or alveoli may have been lower than that for collapsing the residual lung on the operative side. We recommend that pulmonologists should also monitor the contralateral side and that follow-up radiographic examinations should be performed a few hours later.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Pulmonologists should monitor the side contralateral to the surgical site, even if the emphysema is caused by a postoperative minor air leakage.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Highlights<\/jats:title>\n                  <\/jats:sec>","DOI":"10.1016\/j.ijscr.2025.111689","type":"journal-article","created":{"date-parts":[[2025,7,17]],"date-time":"2025-07-17T00:41:11Z","timestamp":1752712871000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Subcutaneous and mediastinal emphysema after lobectomy: Two case reports with different courses"],"prefix":"10.1097","volume":"134","author":[{"given":"Yuki","family":"Shindo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroya","family":"Ishihara","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery, Kishiwada City Hospital, Kishiwada, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takuro","family":"Morita","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery, Yao Tokushukai General Hospital, Yao, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kiyoshi","family":"Sato","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery, Osaka Medical and Pharmaceutical University, Takatsuki, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nobuharu","family":"Hanaoka","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery, Osaka Medical and Pharmaceutical University, Takatsuki, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takahiro","family":"Katsumata","sequence":"additional","affiliation":[{"name":"Department of Thoracic and Cardiovascular Surgery, Osaka Medical and Pharmaceutical University, Takatsuki, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"key":"R1-23-20260310","doi-asserted-by":"crossref","first-page":"885","DOI":"10.1016\/j.ejcts.2004.05.050","article-title":"Spontaneous mediastinal emphysema","volume":"26","author":"Dorit","year":"2004","journal-title":"Eur. 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Wochenschr"},{"key":"R7-23-20260310","doi-asserted-by":"crossref","first-page":"550","DOI":"10.2995\/jacsurg.32.550","article-title":"Two cases of postoperative subcutaneous\/mediastinal emphysema without lung collapse based on lung biopsy for interstitial pneumonia","volume":"32","author":"Yohei","year":"2018","journal-title":"J. Jpn. Assoc. Chest Surg"},{"key":"R8-23-20260310","article-title":"Pneumomediastinum and subcutaneous emphysema complicating a patient with a lung abscess","volume":"11","author":"Christopher","year":"2023","journal-title":"Respirol. Case Rep"},{"key":"R9-23-20260310","doi-asserted-by":"crossref","first-page":"1363","DOI":"10.1016\/j.athoracsur.2010.04.024","article-title":"Cough-induced bilateral spontaneous pneumothorax","volume":"90","author":"Hanghang","year":"2010","journal-title":"Ann. Thorac. 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