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|---|---|---|---|
| 1 | Review | Next-Generation Frozen Elephant Trunk Technique in the Era of Precision Medicine | 419 - 429 |
| 2 | Clinical Research | Routine 6-Week Outpatient Radiography and Visit in Patients with Conservatively Treated Multiple Rib Fractures: Valuable or a Waste of Resources? | 430 - 439 |
| 3 | Clinical Research | Potential Survival Benefit of Upfront Surgery for Lung Tumors Unconfirmed but Highly Suspicious for Stage I Lung Cancer | 440 - 446 |
| 4 | Commentary | Commentary: Preoperative versus Intraoperative Tissue Diagnosis in Highly Suspicious Stage I Lung Cancer: Which Is the Superior Approach? | 447 - 449 |
| 5 | Clinical Research | Comparative Study of Indocyanine Green Intravenous Injection and the Inflation-Deflation Method for Assessing Resection Margins in Segmentectomy for Lung Cancer: A Single-Center Retrospective Study | 450 - 457 |
| 6 | Commentary | Commentary: Comparative Study of Indocyanine Green Intravenous Injection and the Inflation-Deflation Method for Assessing Resection Margins in Segmentectomy for Lung Cancer: A Single-Center Retrospective Study | 458 - 459 |
| 7 | Clinical Research | Different DL<sub>CO</sub> Parameters as Predictors of Postoperative Pulmonary Complications in Mild Chronic Obstructive Pulmonary Disease Patients with Lung Cancer | 460 - 466 |
| 8 | Clinical Research | Prognostic Implications of Selective Dissection of Left Lower Paratracheal Lymph Nodes in Patients with Left-Sided Non-Small Cell Lung Cancer | 467 - 476 |
| 9 | Clinical Research | Interfissural Fixation of the Right Middle Lobe after Video-Assisted Thoracic Surgery Right Upper Lobectomy: Bronchial Anatomical Changes and Efficacy in Preventing Torsion | 477 - 483 |
| 10 | Clinical Research | Recurrence-Free Survival after Postoperative Hormone Therapy for Catamenial Pneumothorax | 484 - 489 |
| 11 | Commentary | Commentary: Thoracic Endometriosis: The Necessity of a Multidisciplinary Approach for Optimal Treatment | 490 - 491 |
| 12 | Case Report | Malignant Solitary Fibrous Tumor of the Mediastinum with Multiple Recurrences and a Rare Metastasis to the Thyroid Gland: A Case Report | 492 - 495 |
| 13 | Case Report | Mitral Valve Replacement for Bulky, Calcified Mitral Annulus: A Case Report | 496 - 499 |
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J Chest Surg
Published online August 8, 2024
Copyright © Journal of Chest Surgery.
June Yeop Lee 
, M.D.1, Joonseok Lee , M.D.1, Varissara Javakijkarnjanakul , M.D.1, Beatrice Chia-Sui Shih , M.D.1, Woohyun Jung , M.D.1, Jae Hyun Jeon , M.D.1, Kwhanmien Kim , M.D., Ph.D.1,2, Sanghoon Jheon , M.D., Ph.D.1,2, Sukki Cho , M.D., Ph.D1,2
1Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seongnam; 2Department of Thoracic and Cardiovascular Surgery, Seoul National University College of Medicine, Seoul, Korea
Correspondence to:Sukki Cho
Tel 82-31-787-7132
Fax 82-31-787-4050
E-mail tubincho@snu.ac.kr
ORCID
https://orcid.org/0000-0002-9309-8865
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Background: This study aimed to evaluate the long-term impact of postoperative prolonged air leak (PAL) on pulmonary function.
Methods: We enrolled 1,316 patients with pathologic stage I–III lung cancer who underwent lobectomy. The cohort was divided into 2 groups: those who experienced PAL (n=55) and those who did not (n=1,261). Propensity score matching was conducted at a 1:4 ratio, resulting in 49 patients in the PAL group and 189 in the non-PAL group. Changes in pulmonary function were compared among preoperative, 6-month postoperative, and 12-month postoperative measurements between the 2 groups.
Results: The variables used for propensity score matching included age, sex, smoking history, body mass index, baseline pulmonary function, pathologic stage, and surgical approach. All standardized mean differences were less than 0.1. Six months postoperatively, the PAL group showed a greater reduction in both forced expiratory volume in 1 second (FEV1) (-13.0% vs. -10.0%, p=0.041) and forced vital capacity (FVC) (-15.0% vs. -9.0%, p<0.001) than the non-PAL group. In cases of upper lobectomy, there were no significant differences in FEV1 changes between the PAL and non-PAL groups at both 6 and 12 months. However, in lower lobectomy, the PAL group demonstrated a more pronounced decrease in FEV1 (-14.0% vs. -11.0%, p=0.057) and FVC (-20.0% vs. -13.0%, p=0.006) than the non-PAL group at 6 months postoperatively.
Conclusion: Postoperative PAL delayed the recovery of pulmonary function after lobectomy. These effects were markedly more pronounced after lower lobectomy than after upper lobectomy.
Keywords: Prolonged air leak, Postoperative pulmonary function, Pleurodesis
J Chest Surg
Published online August 8, 2024
Copyright © Journal of Chest Surgery.
June Yeop Lee , M.D.1, Joonseok Lee , M.D.1, Varissara Javakijkarnjanakul , M.D.1, Beatrice Chia-Sui Shih , M.D.1, Woohyun Jung , M.D.1, Jae Hyun Jeon , M.D.1, Kwhanmien Kim , M.D., Ph.D.1,2, Sanghoon Jheon , M.D., Ph.D.1,2, Sukki Cho , M.D., Ph.D1,2
1Department of Thoracic and Cardiovascular Surgery, Seoul National University Bundang Hospital, Seongnam; 2Department of Thoracic and Cardiovascular Surgery, Seoul National University College of Medicine, Seoul, Korea
Correspondence to:Sukki Cho
Tel 82-31-787-7132
Fax 82-31-787-4050
E-mail tubincho@snu.ac.kr
ORCID
https://orcid.org/0000-0002-9309-8865
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Background: This study aimed to evaluate the long-term impact of postoperative prolonged air leak (PAL) on pulmonary function.
Methods: We enrolled 1,316 patients with pathologic stage I–III lung cancer who underwent lobectomy. The cohort was divided into 2 groups: those who experienced PAL (n=55) and those who did not (n=1,261). Propensity score matching was conducted at a 1:4 ratio, resulting in 49 patients in the PAL group and 189 in the non-PAL group. Changes in pulmonary function were compared among preoperative, 6-month postoperative, and 12-month postoperative measurements between the 2 groups.
Results: The variables used for propensity score matching included age, sex, smoking history, body mass index, baseline pulmonary function, pathologic stage, and surgical approach. All standardized mean differences were less than 0.1. Six months postoperatively, the PAL group showed a greater reduction in both forced expiratory volume in 1 second (FEV1) (-13.0% vs. -10.0%, p=0.041) and forced vital capacity (FVC) (-15.0% vs. -9.0%, p<0.001) than the non-PAL group. In cases of upper lobectomy, there were no significant differences in FEV1 changes between the PAL and non-PAL groups at both 6 and 12 months. However, in lower lobectomy, the PAL group demonstrated a more pronounced decrease in FEV1 (-14.0% vs. -11.0%, p=0.057) and FVC (-20.0% vs. -13.0%, p=0.006) than the non-PAL group at 6 months postoperatively.
Conclusion: Postoperative PAL delayed the recovery of pulmonary function after lobectomy. These effects were markedly more pronounced after lower lobectomy than after upper lobectomy.
Keywords: Prolonged air leak, Postoperative pulmonary function, Pleurodesis
2023; 56(3): 179-185
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