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Chiu MC, Tsai SCS, Bai ZR, Lin A, Chang CC, Wang GZ, Lin FCF. Radiographic chest wall abnormalities in primary spontaneous pneumothorax identified by artificial intelligence. Heliyon 2024; 10:e30023. [PMID: 38726131 PMCID: PMC11078867 DOI: 10.1016/j.heliyon.2024.e30023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 04/18/2024] [Accepted: 04/18/2024] [Indexed: 05/12/2024] Open
Abstract
Primary spontaneous pneumothorax (PSP) primarily affects slim and tall young males. Exploring the etiological link between chest wall structural characteristics and PSP is crucial for advancing treatment methods. In this case-control study, chest computed tomography (CT) images from patients undergoing thoracic surgery, with or without PSP, were analyzed using Artificial Intelligence. Convolutional Neural Network (CNN) model of EfficientNetB3 and InceptionV3 were used with transfer learning on the Imagenet to compare the images of both groups. A heatmap was created on the chest CT scans to enhance interoperability, and the scale-invariant feature transform (SIFT) was adopted to further compare the image level. A total of 2,312 CT images of 26 non-PSP patients and 1,122 CT images of 26 PSP patients were selected. Chest-wall apex pit (CAP) was found in 25 PSP and three non-PSP patients (p < 0.001). The CNN achieved a testing accuracy of 93.47 % in distinguishing PSP from non-PSP based on chest wall features by identifying the existence of CAP. Heatmap analysis demonstrated CNN's precision in targeting the upper chest wall, accurately identifying CAP without undue influence from similar structures, or inappropriately expanding or minimizing the test area. SIFT results indicated a 10.55 % higher mean similarity within the groups compared to between PSP and non-PSP (p < 0.001). In conclusion, distinctive radiographic chest wall configurations were observed in PSP patients, with CAP potentially serving as an etiological factor linked to PSP. This study accentuates the potential of AI-assisted analysis in refining diagnostic approaches and treatment strategies for PSP.
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Affiliation(s)
- Ming-Chuan Chiu
- Department of Industrial Engineering and Industrial Management, National Tsing Hua University, Hsinchu, 300044, Taiwan
| | - Stella Chin-Shaw Tsai
- Superintendent Office, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan
- Department of Post-Baccalaureate Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Zhe-Rui Bai
- Department of Industrial Engineering and Industrial Management, National Tsing Hua University, Hsinchu, 300044, Taiwan
| | - Abraham Lin
- Engineering Management, Cornell University, Ithaca, NY, USA
| | - Chi-Chang Chang
- Department of Medical Informatics, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Guo-Zhi Wang
- Department of Thoracic Surgery, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Frank Cheau-Feng Lin
- Department of Thoracic Surgery, Chung Shan Medical University Hospital, Taichung, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
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van Steenwijk QCA, Spaans LN, Heineman DJ, van den Broek FJC, Dickhoff C. Population-based study on surgical care for primary spontaneous pneumothorax. Eur J Cardiothorac Surg 2024; 65:ezae104. [PMID: 38489837 PMCID: PMC10980590 DOI: 10.1093/ejcts/ezae104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 03/05/2024] [Accepted: 03/13/2024] [Indexed: 03/17/2024] Open
Abstract
OBJECTIVES The optimal surgical strategy for primary spontaneous pneumothorax remains a matter of debate and variation in surgical practice is expected. This variation may influence clinical outcomes, such as postoperative complications and length of stay. This national population-based registry study provides an overview and extent of variability of current surgical practice and outcomes in the Netherlands. METHODS To identify national patterns of care and between-hospital variability in the treatment of primary spontaneous pneumothorax, patients who underwent surgical pleurodesis and/or bullectomy between 2014 and 2021, were identified from the Dutch Lung Cancer Audit-Surgery database. The type of surgical intervention, postoperative complications, length of stay and ipsilateral recurrences were recorded. RESULTS AND CONCLUSIONS Out of 4338 patients, 1851 patients were identified to have primary spontaneous pneumothorax. The median age was 25 years (interquartile range 20-31) and 82% was male. The most performed surgical procedure was bullectomy with pleurodesis (83%). The overall complication rate was 12% (Clavien-Dindo grade ≥III 6%), with the highest recorded incidence for persistent air leak >5 days (5%). Median postoperative length of stay was 4 days (interquartile range 3-6) and 0.7% underwent a repeat pleurodesis for ipsilateral recurrence. Complication rate and length of stay differed considerably between hospitals. There were no differences between the surgical procedures. In the Netherlands, surgical patients with primary spontaneous pneumothorax are preferably treated with bullectomy plus pleurodesis. Postoperative complications and length of stay vary widely and are considerable in this young patient group. This may be reduced by optimization of surgical care.
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Affiliation(s)
- Quirine C A van Steenwijk
- Department of Surgery, Maxima Medical Centre, Veldhoven, Netherlands
- Department of Cardiothoracic Surgery, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Louisa N Spaans
- Department of Surgery, Maxima Medical Centre, Veldhoven, Netherlands
| | - David J Heineman
- Department of Cardiothoracic Surgery, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | | | - Chris Dickhoff
- Department of Cardiothoracic Surgery, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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Wang S, Li J, Qian M, Wang J, Tan Y, Ou H, Wang Z, Chen X, Tu Y, Xu K. Excessive aggregation of fine particles may play a crucial role in adolescent spontaneous pneumothorax pathogenesis. PeerJ 2023; 11:e16484. [PMID: 38047016 PMCID: PMC10693242 DOI: 10.7717/peerj.16484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/27/2023] [Indexed: 12/05/2023] Open
Abstract
Background The pathogenesis of primary spontaneous pneumothorax (PSP) is unclear. Fine particles aggregated in the lung can be phagocytosed by alveolar macrophages (AMs) to induce an inflammatory reaction and damage local pulmonary tissue, which could be a mechanism of PSP. This project aimed to explore the pathological association between fine particulate matter and PSP. Methods Thirty pulmonary bullae tissues were obtained from surgery of PSP patients (B group). The adjacent normal tissues of the lungs were defined as the control S group. Another 30 normal lung tissues with nonpneumothorax disease (NPD) were applied as the control N group. Hematoxylin and eosin (H & E), Wright-Giemsa (W-G), Victoria blue, and immunohistochemical (IHC) staining experiments were performed to measure the levels of fine particulate matter, alveolar macrophages (AMs), pulmonary elastic fibers, monocyte chemoattractant protein-1 (MCP-1), and matrix metalloproteinase-9 (MMP-9) in the lung tissues. The serum levels of MCP-1 and MMP-9 were prospectively analyzed as well. Results Histopathological examinations revealed obvious deposition of fine particulate matter and inflammatory reactions (proliferation of AMs) in the B group, compared with those in the S group and the N group. These alterations were significantly associated with PSP. The numbers of AMs and pulmonary elastic fibers, the positive area of the H-score, as well as the concentrations of MCP-1 and MMP-9 in the lungs of the experimental group were obviously raised compared with the controls (P < 0.05). Conclusions Fine particulate matter aggregation, inflammation (macrophage hyperplasia), and overexpression of MCP-1 and MMP-9 may contribute to the pathogenesis of PSP. The overaccumulation of fine particulate matter may play a crucial part in the occurrence of adolescent and young adult PSP. Trial registration This project was enrolled on the Chinese Clinical Trial Registry: ChiCTR2100051460.
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Affiliation(s)
- Sibo Wang
- Department of Cardiothoracic Surgery, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
| | - Jun Li
- Department of Cardiothoracic Surgery, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
| | - Mengjiao Qian
- Department of Cardiothoracic Surgery, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
| | - Jing Wang
- Department of Cardiothoracic Surgery, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
| | - Yongxing Tan
- Department of Pathology, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
| | - Haibo Ou
- Department of Cardiothoracic Surgery, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
| | - Zhongyin Wang
- Department of Cardiothoracic Surgery, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
| | - Xiao Chen
- Department of Cardiothoracic Surgery, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
| | - Yunjiao Tu
- Department of Pathology, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
| | - Kai Xu
- Department of Clinical Laboratory, The Southern Yunnan Central Hospital of Yunnan/The First People’s Hospital of Honghe Prefecture, Gejiu, Yunnan, China
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Speck KE, Kulaylat AN, Baerg JE, Acker SN, Baird R, Beres AL, Chang H, Derderian SC, Englum B, Gonzalez KW, Kawaguchi A, Kelley-Quon L, Levene TL, Rentea RM, Rialon KL, Ricca R, Somme S, Wakeman D, Yousef Y, St Peter SD, Lucas DJ. Evaluation and Management of Primary Spontaneous Pneumothorax in Adolescents and Young Adults: A Systematic Review From the APSA Outcomes & Evidence-Based Practice Committee. J Pediatr Surg 2023; 58:1873-1885. [PMID: 37130765 DOI: 10.1016/j.jpedsurg.2023.03.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/15/2023] [Accepted: 03/31/2023] [Indexed: 05/04/2023]
Abstract
INTRODUCTION Controversy exists in the optimal management of adolescent and young adult primary spontaneous pneumothorax. The American Pediatric Surgical Association (APSA) Outcomes and Evidence-Based Practice Committee performed a systematic review of the literature to develop evidence-based recommendations. METHODS Ovid MEDLINE, Elsevier Embase, EBSCOhost CINAHL, Elsevier Scopus, and Wiley Cochrane Central Register of Controlled Trials databases were queried for literature related to spontaneous pneumothorax between January 1, 1990, and December 31, 2020, addressing (1) initial management, (2) advanced imaging, (3) timing of surgery, (4) operative technique, (5) management of contralateral side, and (6) management of recurrence. The Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines were followed. RESULTS Seventy-nine manuscripts were included. Initial management of adolescent and young adult primary spontaneous pneumothorax should be guided by symptoms and can include observation, aspiration, or tube thoracostomy. There is no evidence of benefit for cross-sectional imaging. Patients with ongoing air leak may benefit from early operative intervention within 24-48 h. A video-assisted thoracoscopic surgery (VATS) approach with stapled blebectomy and pleural procedure should be considered. There is no evidence to support prophylactic management of the contralateral side. Recurrence after VATS can be treated with repeat VATS with intensification of pleural treatment. CONCLUSIONS The management of adolescent and young adult primary spontaneous pneumothorax is varied. Best practices exist to optimize some aspects of care. Further prospective studies are needed to better determine optimal timing of operative intervention, the most effective operation, and management of recurrence after observation, tube thoracostomy, or operative intervention. LEVEL OF EVIDENCE Level 4. TYPE OF STUDY Systematic Review of Level 1-4 studies.
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Affiliation(s)
- K Elizabeth Speck
- Mott Children's Hospital, University of Michigan, Division of Pediatric Surgery, Ann Arbor, MI, USA.
| | - Afif N Kulaylat
- Penn State Children's Hospital, Division of Pediatric Surgery, Hershey, PA, USA
| | - Joanne E Baerg
- Presbyterian Health Services, Division of Pediatric Surgery, Albuquerque, NM, USA
| | | | - Robert Baird
- British Columbia Children's Hospital, Vancouver, Canada
| | - Alana L Beres
- St. Christopher's Hospital for Children, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Henry Chang
- Johns Hopkins All Children's Hospital, St. Petersburg, FL, USA
| | | | - Brian Englum
- University of Maryland Children's Hospital, Baltimore, MD, USA
| | | | | | | | | | - Rebecca M Rentea
- Children's Mercy-Kansas City, Department of Surgery, Kansas City, MO, USA
| | | | - Robert Ricca
- University of South Carolina, Greenville, SC, USA
| | - Stig Somme
- Children's Hospital Colorado, Aurora, CO, USA
| | | | - Yasmine Yousef
- Montreal Children's Hospital, McGill University, Montreal, Canada
| | - Shawn D St Peter
- Children's Mercy-Kansas City, Department of Surgery, Kansas City, MO, USA
| | - Donald J Lucas
- Division of Pediatric Surgery, Naval Medical Center San Diego, CA, USA; Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
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Hyman J, Falak U, Storey C, Richardson S, Moffatt M, Aujayeb A. Pneumothorax Trends from 2010-2020 from a Large-Volume Pleural Unit. Pulm Ther 2023; 9:367-375. [PMID: 37415030 PMCID: PMC10447695 DOI: 10.1007/s41030-023-00232-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 06/15/2023] [Indexed: 07/08/2023] Open
Abstract
INTRODUCTION Previous studies in 2018 and 2022 have suggested increasing inpatient burden of pneumothorax and widespread variation in management. Local trends have never been elucidated. Northumbria Healthcare NHS Foundation Trust (NHCT) has a well-established pleural service, serving just over 600,000. Thus, we set up a local retrospective study to look at trends in pneumothorax presentation, management strategies, length of stay, and recurrence. METHODS A coding search for 'pneumothorax' was performed for all patients attending NHCT between 2010 and 2020 was performed with local Caldicott approval. A total of 1840 notes were analysed to exclude iatrogenic, traumatic, and paediatric events. After excluding those cases, 580 remained for further analysis, consisting of 183 primary pneumothoraces (PSP) and 397 secondary pneumothoraces (SSP). RESULTS Median age for PSP was 26.5 years (IQR 17) with 69% male, and for SSP 68 years (IQR 11.5), 62% male; 23.5% of PSP and 8.6% of SSP were never smokers. The proportion of smokers and ex-smokers has not really changed over time: > 65% every year have been smokers or ex-smokers. Yearly pneumothorax incidence shows a downward trend for PSP but upwards for SSP. Median length of stay (LoS) for PSP was 2 days (IQR 2), and SSP 5 days (IQR 8), with a clear downward trend. From 2010 to 2015 > 50% PSP were managed with drain, but in 2019-2020 at least 50% managed conservatively, with a significant reduction in aspiration. Trends of recurrence for PSP are increasing, whereas for SSP is decreasing. Seventy-six (20 PSP, 56 SSP) went for surgery at the index time with 5.3% recurrence (20% recurrence in those without surgery). CONCLUSIONS This is the first known analysis of pneumothorax trends in a large trust in the northeast of England. The data in this study have certain limitations, including the lack of information on the size of pneumothorax and frailty indicators that may influence the decision for conservative management. Additionally, there is a reliance on clinical coding, which can introduce potential inaccuracies, and not all patient notes were accessible for analysis. Updated larger datasets should help elucidate trends better.
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Affiliation(s)
- James Hyman
- Respiratory Department, Northumbria Healthcare NHS Foundation Trust, Northumbria Way, Cramlington, NE23 6NZ, Northumberland, UK
| | - Umair Falak
- Respiratory Department, Northumbria Healthcare NHS Foundation Trust, Northumbria Way, Cramlington, NE23 6NZ, Northumberland, UK
| | - Claire Storey
- Respiratory Department, Northumbria Healthcare NHS Foundation Trust, Northumbria Way, Cramlington, NE23 6NZ, Northumberland, UK
| | - Samuel Richardson
- Respiratory Department, Northumbria Healthcare NHS Foundation Trust, Northumbria Way, Cramlington, NE23 6NZ, Northumberland, UK
| | - Mariko Moffatt
- Respiratory Department, Northumbria Healthcare NHS Foundation Trust, Northumbria Way, Cramlington, NE23 6NZ, Northumberland, UK
| | - Avinash Aujayeb
- Respiratory Department, Northumbria Healthcare NHS Foundation Trust, Northumbria Way, Cramlington, NE23 6NZ, Northumberland, UK.
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Suter A, Müller ME, Daccord C, Taffé P, Lazor R. Probability of sporadic lymphangioleiomyomatosis in women presenting with spontaneous pneumothorax. Orphanet J Rare Dis 2023; 18:180. [PMID: 37415209 DOI: 10.1186/s13023-023-02784-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 06/18/2023] [Indexed: 07/08/2023] Open
Abstract
BACKGROUND Sporadic lymphangioleiomyomatosis (S-LAM) is a rare low-grade neoplasm of young women characterized by multiple pulmonary cysts leading to progressive dyspnea and recurrent spontaneous pneumothorax (SP). The diagnosis of S-LAM may be delayed by several years. To reduce this delay, chest computed tomography (CT) screening has been proposed to uncover cystic lung disease in women presenting with SP. However, the probability to discover S-LAM in this population has not been determined precisely. The aim of this study was to calculate the probability of finding S-LAM in women presenting with (a) SP, and (b) apparent primary SP (PSP) as first manifestation of S-LAM. METHODS Calculations were made by applying the Bayes theorem to published epidemiological data on S-LAM, SP and PSP. Each term of the Bayes equation was determined by meta-analysis, and included: (1) the prevalence of S-LAM in the general female population, (2) the incidence rate of SP and PSP in the general female population, and (3) the incidence rate of SP and apparent PSP in women with S-LAM. RESULTS The prevalence of S-LAM in the general female population was 3.03 per million (95% confidence interval 2.48, 3.62). The incidence rate of SP in the general female population was 9.54 (8.15, 11.17) per 100,000 person-years (p-y). The incidence rate of SP in women with S-LAM was 0.13 (0.08, 0.20). By combining these data in the Bayes theorem, the probability of finding S-LAM in women presenting with SP was 0.0036 (0.0025, 0.0051). For PSP, the incidence rate in the general female population was 2.70 (1.95, 3.74) per 100,000 p-y. The incidence rate of apparent PSP in women with S-LAM was 0.041 (0.030, 0.055). With the Bayes theorem, the probability of finding S-LAM in women presenting with apparent PSP as first disease manifestation was 0.0030 (0.0020, 0.0046). The number of CT scans to perform in women to find one case of S-LAM was 279 for SP and 331 for PSP. CONCLUSION The probability of discovering S-LAM at chest CT in women presenting with apparent PSP as first disease manifestation was low (0.3%). Recommending chest CT screening in this population should be reconsidered.
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Affiliation(s)
- Audrey Suter
- Medical School, University of Lausanne, Lausanne, Switzerland
| | - Marie-Eve Müller
- Respiratory Medicine Department, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Cécile Daccord
- Respiratory Medicine Department, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Patrick Taffé
- Division of Biostatistics, Center for Primary Care and Public Health, University of Lausanne, Lausanne, Switzerland
| | - Romain Lazor
- Respiratory Medicine Department, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland.
- Service de Pneumologie, Centre Hospitalier Universitaire Vaudois, BU44.07.2137, Rue du Bugnon 46, 1011, Lausanne, Switzerland.
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Chang J, Ratnaraj V, Fu V, Jiang M, Peri V, Nguyenhuy M, Antippa P. Pleural abrasion versus apical pleurectomy for primary spontaneous pneumothorax: a systematic review and Meta-analysis. J Cardiothorac Surg 2023; 18:105. [PMID: 37024894 PMCID: PMC10080866 DOI: 10.1186/s13019-023-02207-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 04/02/2023] [Indexed: 04/08/2023] Open
Abstract
BACKGROUND Surgical approach is the most effective treatment for primary spontaneous pneumothorax. The two most widely adopted surgical methods are mechanical abrasion and apical pleurectomy, in addition to bullectomy. We performed a systematic review and meta-analysis to examine which technique is superior in treating primary spontaneous pneumothorax. METHODS PubMed, MEDLINE and EMBASE databases were searched for studies published between January 2000 to September 2022 comparing mechanical abrasion and apical pleurectomy for treatment of primary spontaneous pneumothorax. The primary outcome was pneumothorax recurrence. Secondary outcomes included post-operative chest tube duration, hospital length of stay, operative time and intra-operative of blood loss. RESULTS Eight studies were eligible for inclusion involving 1,613 patients. There was no difference in the rate of pneumothorax recurrence between pleural abrasion and pleurectomy (RR: 1.34; 95% CI: 0.94 to 1.92). However, pleural abrasion led to shorter hospital length of stay (MD: -0.25; 95% CI: -0.51 to 0.00), post-operative chest tube duration (MD: -0.30; 95% CI: -0.56 to -0.03), operative time (MD: -13.00; 95% CI -15.07 to 10.92) and less surgical blood loss (MD: -17.77; 95% CI: -24.36 to -11.18). CONCLUSION Pleural abrasion leads to less perioperative patient burden and shorter hospital length of stay without compromising the rate of pneumothorax recurrence when compared to pleurectomy. Thus, pleural abrasion is a reasonable first choice surgical procedure for management of primary spontaneous pneumothorax.
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Affiliation(s)
- Jaewon Chang
- St George Hospital, Kogarah, Sydney, NSW, 2217, Australia.
| | - Vignesh Ratnaraj
- The Royal Melbourne Hospital, Parkville, Melbourne, VIC, 3050, Australia
| | - Vincent Fu
- The University of Melbourne, Parkville, Melbourne, VIC, 3050, Australia
| | - Michael Jiang
- Austin Hospital, 3084, Heidelberg, Melbourne, VIC, Australia
| | - Varun Peri
- Austin Hospital, 3084, Heidelberg, Melbourne, VIC, Australia
| | | | - Phillip Antippa
- The Royal Melbourne Hospital, Parkville, Melbourne, VIC, 3050, Australia
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Fu H, Jin D, Wei Y. Thoracoscopic treatment of primary spontaneous pneumothorax without a drainage tube in male patients. J Int Med Res 2023; 51:3000605231154394. [PMID: 36803200 PMCID: PMC9944160 DOI: 10.1177/03000605231154394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
OBJECTIVE To propose a treatment approach for primary spontaneous pneumothorax (PSP) in male patients with a smaller incision and less pain. METHODS We retrospectively studied 29 patients with PSP who underwent areola-port video-assisted thoracoscopic surgery (VATS) and 21 patients who underwent single-port VATS. The areola-port VATS technique was performed as follows. First, an arc incision was made along the lower edge of the areola, and a 5-mm-diameter thoracoscope was placed. The bullae were completely removed, and the absence of air leaks and other bullae was confirmed. A drainage tube was placed in the chest with negative pressure and then quickly pulled out, and the reserved suture line was knotted. RESULTS All patients were male, and their mean age was 19.07 ± 2.43 years. The mean intraoperative hemorrhage volume and postoperative pain score were significantly lower in the areola-port than single-port group. The mean operative time and mean postoperative hospital stay were also shorter in the areola-port group, but without statistical significance. The incidence of complications and the 1-year postoperative recurrence rate were 0% in both groups. CONCLUSION Our method is clinically feasible and inexpensive, has a traceless effect, and is especially suitable for adolescents.
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Affiliation(s)
| | | | - Yutao Wei
- Yutao Wei, Department of General Thoracic
Surgery, Jining First People’s Hospital, 99 Shixian Road, High-tech Zone, Jining
City, Shandong 272000, China.
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Çıtak N, Özdemir S, Köse S. Could the probability of surgical indication be determined after first episode of primary spontaneous pneumothorax? Gen Thorac Cardiovasc Surg 2023:10.1007/s11748-023-01913-y. [PMID: 36807111 DOI: 10.1007/s11748-023-01913-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/05/2023] [Indexed: 02/21/2023]
Abstract
OBJECTIVES To develop a risk score model for primary spontaneous pneumothorax surgery (prolonged air leak or ipsilateral recurrence). The model was internally validated for risk estimation. METHODS We analyzed 453 patients with primary spontaneous pneumothorax between 2014 and 2018. Patients were randomly assigned a 2:1 ratio to the development dataset (n = 302, study cohort) or the internal validation dataset (n = 151, validation cohort). The final outcomes of patients with primary spontaneous pneumothorax, the presence or absence of surgical indications, were tracked. Multivariable logistic regression models were prepared to estimate the probability of surgical indication and a scoring model was created. It was internally validated using the validation cohort. Calibration was ascertained using the Hosmer-Lemeshow method and Brier score. RESULTS The surgery indication rate was 47.8% (n = 217) (prolonged air leak, n = 130; ipsilateral recurrence, n = 87). There were no demographic or radiological differences between the validation and the study cohorts. Logistic regression analysis showed that the presence of bullae or blebs (p < 0.001, odds ratio = 3.340, 95%CI = 1.753-6.363) and pneumothorax volume (p < 0.001, odds ratio = 1.033, 95%CI = 1.019-1.048) were independent risk factors for surgical indication. The scoring model significantly predicted surgical indications (area under the curve, AUC = 0.768, 95%CI = 0.714-0.821, p < 0.001). Our model showed acceptable discrimination with an AUC > 0.75 in the validation set (AUC = 0.777, 95%CI = 0.702-0.852, p < 0.001) and had an adequate calibration (Hosmer-Lemeshow test p = 0.249, Brier score = 0.25). CONCLUSION The internally validated primary spontaneous pneumothorax scoring model was a good predictor of the need for surgery in patients with primary spontaneous pneumothorax. Prospective external validation studies with larger patient cohorts are required.
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Affiliation(s)
- Necati Çıtak
- Thoracic Surgery Department, Bakirköy Dr. Sadi Konuk Research and Education Hospital, Istanbul, Turkey.
| | - Servet Özdemir
- Thoracic Surgery Department, Bakirköy Dr. Sadi Konuk Research and Education Hospital, Istanbul, Turkey
| | - Selçuk Köse
- Thoracic Surgery Department, Bakirköy Dr. Sadi Konuk Research and Education Hospital, Istanbul, Turkey
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Igai H, Matsuura N, Numajiri K, Ohsawa F, Kamiyoshihara M. Feasibility of tubeless thoracoscopic bullectomy in primary spontaneous pneumothorax patients. Gen Thorac Cardiovasc Surg 2023; 71:138-44. [PMID: 36036321 DOI: 10.1007/s11748-022-01869-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 08/19/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Although early removal of postoperative chest drains can facilitate postoperative recovery, there are risks of undetected bleeding and a need for re-drainage to treat delayed pulmonary air leaks. In this study, we aimed to prospectively examine the feasibility of tubeless thoracoscopic bullectomy in primary spontaneous pneumothorax (PSP) patients. METHODS Between January 2021 and November 2021, 30 PSP patients were enrolled in this prospective study. The absence of air leakage was confirmed and radiographic evidence of lung expansion was acquired; the tube was then removed in the operating room. The primary endpoint was postoperative air leakage requiring re-drainage among patients who underwent tube removal in the operating room. The secondary endpoints were postoperative pain (numerical rating scale) on postoperative days (PODs) 1, 7, and 28, morbidity, and postoperative hospitalization time. RESULTS Four (13.3%) patients were excluded because of underlying pulmonary disease (n = 2) and air leaks (n = 2) detected in the operating room. Chest drainage tubes were removed in the operating room for the remaining 26 patients; none of them required re-drainage. The mean postoperative hospitalization time was 1.2 ± 0.4 days. The mean numerical rating scale scores were 4.2 ± 2 (median: 4.5), 1.6 ± 1.6 (median: 1), and 0.4 ± 0.8 (median: 0) on PODs 1, 7, and 28, respectively. Only one case of hemoptysis occurred as a postoperative complication. CONCLUSIONS Tubeless thoracoscopic bullectomy for PSP is feasible and may reduce the postoperative hospitalization time; however, it does not significantly reduce pain on POD1.
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11
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Huang H, Lin YH, Chang PC, Wang NL, Sheu JC. Intraoperative OK-432 pleurodesis for preventing recurrence of primary spontaneous pneumothorax in children and adolescents: a single-center experience. Pediatr Surg Int 2022; 39:66. [PMID: 36575307 DOI: 10.1007/s00383-022-05347-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/14/2022] [Indexed: 12/28/2022]
Abstract
BACKGROUND Primary spontaneous pneumothorax (PSP) commonly occurs in lean, tall, male children and adolescents. To reduce recurrence rates of PSP, chemical pleurodesis could be helpful for patients undergoing video-assisted thoracoscopic surgery (VATS) wedge bullectomy. The efficacy and safety of intraoperative OK-432 (Picibanil) pleurodesis on preventing the recurrence of PSP in pediatric patients remain unclear. METHODS It is a retrospective observational study in a single center, between 2014 and 2020, enrolled 48 (8 females) pediatric PSP patients with persistent air leakage at the mean age of 16.3 ± 1.1 years to receive VATS wedge bullectomy and pleural abrasion. Twenty patients received additional intraoperative OK-432 pleurodesis. The clinical characteristics of patients, surgical outcomes, and recurrence rates were analyzed. RESULTS The OK-432 group had longer operation time (118.6 ± 35.6 vs. 96.5 ± 23.3 min; p < 0.05) and higher proportion of postoperative fever (75.0% vs. 28.5%; p = 0.015) than the standard group. No serious adverse events were noted and other surgical outcomes in the two groups were comparable. After a mean follow-up period of 18.1 ± 19.1 months, the OK-432 group had a lower recurrence rate compared with the standard group (5% vs. 28.6%; p < 0.05, odds ratio 0.13, 95% confidence interval: 0.01-1.15), but it had no significant difference in statistics on the Kaplan-Meier curves (log-rank p = 0.105). CONCLUSION It was the first study that focused on the addition of intraoperative OK-432 pleurodesis for PSP with persistent air leakage in children and adolescents receiving VATS. It demonstrated the efficacy with a low recurrence rate and short-term safety as a single-center experience. LEVEL OF EVIDENCE Retrospective review, therapeutic study, Level III.
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12
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Hyung Joo Park, Chan Beom Park, Jin Yong Jeong. Bilateral tension pneumothoraxes in buffalo chest several months after Nuss procedure for pectus excavatum. J Cardiothorac Surg 2022; 17:314. [PMID: 36527063 DOI: 10.1186/s13019-022-02055-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 12/03/2022] [Indexed: 12/23/2022] Open
Abstract
Primary spontaneous pneumothorax usually occurs in tall and thin young people without an underlying disease or traumatic history. Most patients with pectus excavatum have similar body shapes as patients with pneumothorax. Haller indices of the patients with pneumothorax and pectus excavatum are higher than normal. Pectus excavatum may be a predisposing factor for the development of primary pneumothorax. The Nuss procedure involves inserting a metal bar through the substernal space to correct the pectus excavatum, resulting in a buffalo chest in which both pleural cavities communicate with each other. Therefore, if pneumothorax occurs after the Nuss procedure, it can occur bilaterally. Recently, we encountered a life-threatening case of bilateral tension pneumothoraxes after the Nuss procedure for pectus excavatum, which were not related to surgical complications.
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13
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Engwall-Gill AJ, Weller JH, Rahal S, Etchill E, Kunisaki SM, Nasr IW. Early risk factors of operative management for hospitalization children with spontaneous pneumothorax. J Pediatr Surg 2022; 57:994-999. [PMID: 35649747 DOI: 10.1016/j.jpedsurg.2022.05.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/22/2022] [Accepted: 05/03/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND The optimal timing of operative management in children with primary spontaneous pneumothorax (PSP) remains controversial. This study sought to determine early risk factors for failure of chest tube nonoperative management during the initial hospitalization in adolescents with PSP. METHODS A retrospective review was conducted for children (aged ≤18 years) admitted to a single tertiary care referral center for their first presentation of a PSP managed with at least 48 h of chest tube decompression (CTD) alone. Patient outcomes and early risk factors for operative management were analyzed by multivariate regression. RESULTS Of the 39 patients who met inclusion criteria, 15 (38.5%) patients failed nonoperative treatment while 24 (61.5%) patients were managed with CTD therapy alone. Progression to thoracoscopic surgery was associated with longer CTD of 8 vs 3 days and hospital length of stay of 9 vs 4 days when compared to nonoperative management (p < 0.001, both). Air leak and increase in pneumothorax size at 24 h after CTD were independently associated with progression to surgery (p = 0.007, p = 0.002). Combined, these risk factors were associated with a significant increase in recurrence (OR 6.00, 95% CI 1.11-41.11, p = 0.048). There were no significant differences between PSP management strategies regarding cumulative radiation exposure or 2 year recurrence. CONCLUSIONS Air leak or increasing pneumothorax size within 24 h of CTD are highly correlated with failed nonoperative management during the initial hospitalization in pediatric patients with PSP. This data may be useful in the development of pediatric-specific treatment algorithms to optimally manage these patients. LEVEL OF EVIDENCE Treatment study, Level III.
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Affiliation(s)
- Abigail J Engwall-Gill
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins Children's Center, Johns Hopkins University School of Medicine, 1800 Orleans Street, Baltimore, MD 21287-1005, USA.
| | - Jennine H Weller
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins Children's Center, Johns Hopkins University School of Medicine, 1800 Orleans Street, Baltimore, MD 21287-1005, USA
| | - Simon Rahal
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins Children's Center, Johns Hopkins University School of Medicine, 1800 Orleans Street, Baltimore, MD 21287-1005, USA
| | - Eric Etchill
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins Children's Center, Johns Hopkins University School of Medicine, 1800 Orleans Street, Baltimore, MD 21287-1005, USA
| | - Shaun M Kunisaki
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins Children's Center, Johns Hopkins University School of Medicine, 1800 Orleans Street, Baltimore, MD 21287-1005, USA
| | - Isam W Nasr
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins Children's Center, Johns Hopkins University School of Medicine, 1800 Orleans Street, Baltimore, MD 21287-1005, USA
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14
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Sriram JD, van de Beek I, Johannesma PC, van Werkum MH, van der Wel TJWT, Wessels EM, Gille HJJP, Houweling AC, Postmus PE, Smit HJM. Birt-Hogg-Dubé syndrome in apparent primary spontaneous pneumothorax patients; results and recommendations for clinical practice. BMC Pulm Med 2022; 22:325. [PMID: 36028846 PMCID: PMC9414409 DOI: 10.1186/s12890-022-02107-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 07/26/2022] [Indexed: 11/10/2022] Open
Abstract
Background Birt-Hogg-Dubé syndrome (BHD) is an inherited disease caused by pathogenic variants in the FLCN gene. One of the characteristics is the increased risk for spontaneous pneumothorax, likely due to the presence of pulmonary cysts mainly distributed under the carina. Due to variable expression and lack of awareness, BHD is likely to be underdiagnosed. We aimed to examine the prevalence of BHD in patients presenting with an apparent primary spontaneous pneumothorax and to evaluate the contribution of chest CT in establishing the diagnosis. Methods Patients who presented with apparent primary spontaneous pneumothorax between 2004 and 2017 in a large Dutch teaching hospital were enrolled in this quantitative cross-sectional study. A questionnaire was sent to eligible patients. Patients who completed the questionnaire and consented to further participation were invited to visit the hospital for genetic testing and low dose, volumetric chest CT. Results Genetic testing was performed in 88 patients with apparent primary spontaneous pneumothorax. Three patients were found to have a pathogenic variant in the FLCN gene (3.4%). No variants of unknown significance were detected. Pulmonary cysts were detected in 14 out of 83 participants with an available chest CT, six had more than one cyst. All three patients with BHD had multiple pulmonary cysts. Conclusions Based on previous literature and the present study, we believe that performing a chest CT in every patient presenting with primary spontaneous pneumothorax is justified. Subsequent genetic testing of the FLCN gene should be considered when multiple pulmonary cysts are present. Trial registration The study was registered at clinicaltrials.gov with reference NCT02916992. Summary at a glance Three out of 88 patients with an apparent primary spontaneous pneumothorax were diagnosed with Birt-Hogg-Dubé syndrome in this study and all three had multiple pulmonary cysts. We believe that performing a chest CT in every patient with an apparent primary spontaneous pneumothorax is justified to identify underlying diseases.
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Affiliation(s)
- Jincey D Sriram
- Department of Pulmonology, Rijnstate Hospital Arnhem, Wagnerlaan 55, 6815 AD, Arnhem, The Netherlands.
| | - Irma van de Beek
- Department of Human Genetics, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1118, 1081 HZ, Amsterdam, The Netherlands
| | - Paul C Johannesma
- Department of Pulmonology, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1118, 1081 HZ, Amsterdam, The Netherlands.,Department of Surgery, Gelderse Vallei Ziekenhuis, Willy Brandtlaan 10, 6716 RP, Ede, The Netherlands
| | - Michiel H van Werkum
- Department of Radiology, Rijnstate Hospital, Wagnerlaan 55, 6815 AD, Arnhem, The Netherlands
| | - Tijmen J W T van der Wel
- Department of Pulmonology, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1118, 1081 HZ, Amsterdam, The Netherlands
| | - Elise M Wessels
- Department of Human Genetics, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1118, 1081 HZ, Amsterdam, The Netherlands
| | - Hans J J P Gille
- Department of Human Genetics, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1118, 1081 HZ, Amsterdam, The Netherlands
| | - Arjan C Houweling
- Department of Human Genetics, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1118, 1081 HZ, Amsterdam, The Netherlands
| | - Pieter E Postmus
- Department of Pulmonology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Hans J M Smit
- Department of Pulmonology, Rijnstate Hospital Arnhem, Wagnerlaan 55, 6815 AD, Arnhem, The Netherlands
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15
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Campisi A, Pompili C, Giovannetti R, Gabryel P, Bonadiman C, Dobiecki T, Kasprzyk M, Infante M, Piwkowski C. Surgical Management of Primary Spontaneous Pneumothorax Without Lung Bullae. J Surg Res 2022; 280:241-247. [PMID: 36027657 DOI: 10.1016/j.jss.2022.07.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 07/09/2022] [Accepted: 07/28/2022] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Primary spontaneous pneumothorax (PSP) is a relatively common disease. Different studies have been published but lung resection, when no emphysema-like changes (ELC) are detected, is unclear. The aim of our study is to retrospectively investigate the role of lung resection of the apex of the lung in patients with no ELC. METHODS This is a retrospective multicenter study of 516 patients who underwent surgical treatment of PSP with no ELC between January 2007 and December 2017. Patients were divided into two groups: pleurodesis alone group, only mechanical pleurodesis performed (53 patients), and apical resection group, apical resection of the lung and mechanical pleurodesis performed (463 patients). The following were the primary end points considered: recurrence rate and perioperative complications; the following were the secondary end points considered: length of stay, chest tube removal, residual pleural space, prolonged air leak, and reoperation rate. RESULTS No differences were found in the baseline and operative characteristics of the two groups. Both primary end points were statistically different: recurrence rate (15.1% versus 6.5%, P = 0.023) and perioperative complications (18.9% versus 7.3%, P = 0.004). Among secondary end points length of stay (6.94 versus 5.55, P = 0.033) and prolonged air leak (15.1% versus 4.3%, P = 0.001) were statistically different. On multivariate analysis, lung resection emerged as a protective factor for recurrence (hazard ratio 0.182, P < 0.001). CONCLUSIONS In our experience, apical lung resection in patients without ELC may reduce recurrence rate and perioperative complications when compared with pleurodesis alone.
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Affiliation(s)
- Alessio Campisi
- Department of Thoracic Surgery, University and Hospital Trust - Borgo Trento, Verona, Italy.
| | - Cecilia Pompili
- Department of Thoracic Surgery, University and Hospital Trust - Borgo Trento, Verona, Italy
| | - Riccardo Giovannetti
- Department of Thoracic Surgery, University and Hospital Trust - Borgo Trento, Verona, Italy
| | - Piotr Gabryel
- Department of Thoracic Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Cinzia Bonadiman
- Department of Thoracic Surgery, University and Hospital Trust - Borgo Trento, Verona, Italy
| | - Tomasz Dobiecki
- Department of Thoracic Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Mariusz Kasprzyk
- Department of Thoracic Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Maurizio Infante
- Department of Thoracic Surgery, University and Hospital Trust - Borgo Trento, Verona, Italy
| | - Cezary Piwkowski
- Department of Thoracic Surgery, Poznan University of Medical Sciences, Poznan, Poland
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16
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Yagi S, Miwa H, Kono M, Ikeda S, Tsunoda T, Hirama R, Watanuki M, Oshima Y, Tsutsumi A, Miki Y, Hashimoto D, Nakamura H. Comparison of clinical utility between digital and analog drainage systems in patients with spontaneous pneumothorax. Respir Investig 2022; 60:840-846. [PMID: 35965216 DOI: 10.1016/j.resinv.2022.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 06/24/2022] [Accepted: 06/29/2022] [Indexed: 10/31/2022]
Abstract
BACKGROUND Digital drainage systems can continuously and numerically monitor air leakage, which may lead to a shorter duration of drainage and hospitalization; however, the usefulness of digital drainage systems compared to that of analog drainage systems for patients with primary or secondary spontaneous pneumothorax remains unclear. METHODS This retrospective study included 108 patients with spontaneous pneumothorax who were successfully treated with chest drainage alone at our institution. We compared the clinical efficacy of digital and analog chest drainage systems. RESULTS From the study population, 68 patients were diagnosed with primary and the other 40 with secondary spontaneous pneumothorax. The analog drainage system was used in 44 patients, and the digital drainage system in 64 patients. Among patients with primary spontaneous pneumothorax, the digital group had a significantly shorter duration of chest drainage than the analog group (median 2 vs. 4 days; p = 0.001), but there was no significant difference in those with secondary spontaneous pneumothorax. Additionally, the length and cost of hospitalization in the digital group were significantly lower than those in the analog group for both patients with primary and secondary spontaneous pneumothorax. There was no significant difference in recurrence within 1 week after chest tube removal between the two groups, neither among patients with primary nor among those with secondary pneumothorax. CONCLUSIONS Digital drainage system may be better than analog drainage system for patients with primary spontaneous pneumothorax who need chest drainage, but further research is needed on drainage system selection for those with secondary disease.
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Affiliation(s)
- Shota Yagi
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Hideki Miwa
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan.
| | - Masato Kono
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Shin Ikeda
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Tomo Tsunoda
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Ryutaro Hirama
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Masayuki Watanuki
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Yuiko Oshima
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Akari Tsutsumi
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Yoshihiro Miki
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Dai Hashimoto
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
| | - Hidenori Nakamura
- Department of Pulmonary Medicine, Seirei Hamamatsu General Hospital, 2-12-12 Sumiyoshi, Hamamatsu, Shizuoka, 430-8558, Japan
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17
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Ray A, Chattopadhyay E, Singh R, Ghosh S, Bera A, Sarma M, Munot M, Desai U, Rajan S, Prabhudesai P, Prakash AK, Roy Chowdhury S, Bhowmick N, Dhar R, Udwadia ZF, Dey A, Mitra S, Joshi JM, Maitra A, Roy B. Genetic insight into Birt-Hogg-Dubé syndrome in Indian patients reveals novel mutations at FLCN. Orphanet J Rare Dis 2022; 17:176. [PMID: 35477461 PMCID: PMC9044636 DOI: 10.1186/s13023-022-02326-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 04/09/2022] [Indexed: 11/10/2022] Open
Abstract
Background Birt-Hogg-Dubé syndrome (BHDS) is a rare monogenic condition mostly associated with germline mutations at FLCN. It is characterized by either one or more manifestations of primary spontaneous pneumothorax (PSP), skin fibrofolliculomas and renal carcinoma (chromophobe). Here, we comprehensively studied the mutational background of 31 clinically diagnosed BHDS patients and their 74 asymptomatic related members from 15 Indian families. Results Targeted amplicon next-generation sequencing (NGS) and Sanger sequencing of FLCN in patients and asymptomatic members revealed a total of 76 variants. Among these variants, six different types of pathogenic FLCN mutations were detected in 26 patients and some asymptomatic family members. Two of the variants were novel mutations: an 11-nucleotide deletion (c.1150_1160delGTCCAGTCAGC) and a splice acceptor mutation (c.1301-1G > A). Two variants were Clinvar reported pathogenic mutations: a stop-gain (c.634C > T) and a 4-nucleotide duplication (c.1329_1332dupAGCC). Two known variants were: hotspot deletion (c.1285delC) and a splice donor mutation (c.1300 + 1G > A). FLCN mutations could not be detected in patients and asymptomatic members from 5 families. All these mutations greatly affected the protein stability and FLCN-FNIP2 interaction as observed by molecular docking method. Family-based association study inferred pathogenic FLCN mutations are significantly associated with BHDS. Conclusion Six pathogenic FLCN mutations were detected in patients from 10 families out of 15 families in the cohort. Therefore, genetic screening is necessary to validate the clinical diagnosis. The pathogenic mutations at FLCN affects the protein–protein interaction, which plays key roles in various metabolic pathways. Since, pathogenic mutations could not be detected in exonic regions of FLCN in 5 families, whole genome sequencing is necessary to detect all mutations at FLCN and/or any undescribed gene/s that may also be implicated in BHDS. Supplementary Information The online version contains supplementary material available at 10.1186/s13023-022-02326-5.
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Affiliation(s)
- Anindita Ray
- Human Genetics Unit, Indian Statistical Institute, Kolkata, India
| | - Esita Chattopadhyay
- Human Genetics Unit, Indian Statistical Institute, Kolkata, India.,Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Richa Singh
- Human Genetics Unit, Indian Statistical Institute, Kolkata, India.,Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Saurabh Ghosh
- Human Genetics Unit, Indian Statistical Institute, Kolkata, India
| | - Arnab Bera
- Department of Pulmonary Medicine, RG Kar Medical College and Hospital, Kolkata, India.,Respiratory Medicine and Critical Care, Medica Superspeciality Hospital, Kolkata, India
| | - Mridul Sarma
- Department of Chest Medicine, Calcutta National Medical College, Kolkata, India.,Narayana Superspeciality Hospital, Guwahati, India
| | - Mahavir Munot
- Department of Pulmonary Medicine, TNMC and BYL Nair Hospital, Mumbai, India
| | - Unnati Desai
- Department of Pulmonary Medicine, TNMC and BYL Nair Hospital, Mumbai, India
| | - Sujeet Rajan
- Department of Chest Medicine, Bombay Hospital Institute of Medical Sciences, Mumbai, India
| | | | - Ashish K Prakash
- Department of Respiratory and Sleep Medicine, Medanta- The Medicity, Gurgram, India
| | - Sushmita Roy Chowdhury
- Apollo Hospital Kolkata, Pulmonology, India.,Fortis Hospital Kolkata, Pulmonology, India
| | - Niladri Bhowmick
- Department of General Medicine, IPGMER&SSKM Hospital, Kolkata, India
| | - Raja Dhar
- CMRI, C K Birla Group of Hospitals, Kolkata, India
| | | | - Atin Dey
- Department of Pulmonary Medicine, RG Kar Medical College and Hospital, Kolkata, India
| | - Subhra Mitra
- Department of Chest Medicine, Calcutta National Medical College, Kolkata, India
| | - Jyotsna M Joshi
- Department of Pulmonary Medicine, TNMC and BYL Nair Hospital, Mumbai, India
| | - Arindam Maitra
- National Institute of Biomedical Genomics, Kalyani, India
| | - Bidyut Roy
- Human Genetics Unit, Indian Statistical Institute, Kolkata, India.
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18
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Çıtak N, Özdemir S. Which pneumothorax volume/size measurement method can best predict surgical indication in primary spontaneous pneumothorax patients? A comparison of six different methods. Gen Thorac Cardiovasc Surg 2022; 70:871-879. [PMID: 35305198 DOI: 10.1007/s11748-022-01800-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 03/03/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVES We determined whether patients requiring surgery could be identified using pneumothorax volume/size in the first episode of primary spontaneous pneumothorax (PSP) and confirmed which of six different measurement methods of pneumothorax volume/size best predicted surgical indication (prolonged air leak, PAL, or ipsilateral recurrence). METHODS Between 2013 and 2017, 282 patients with PSP were analysed. The volume of the pneumothorax (%) was calculated using volumetric methods (Collins, Rhea, Kircher, Light), while its size (large or small) was determined using the British Thoracic Society (BTS) and American College of Chest Physicians (ACCP) guidelines for the first PSP episode. The optimal cut-off points of pneumothorax volume in patients requiring surgery were based on the most sensitive and specific scores, calculated using receiver operating characteristic analysis. RESULTS Surgery was indicated in 162 patients (57.4%) because of PAL (n = 92) or ipsilateral recurrence (n = 70). Kircher's method had a better area under the curve (AUC) value than the others (AUC = 0.731, 95% confidence interval [CI] 0.676-0.782). Comparing the calculated cut-off points for each volumetric method and the known thresholds from the BTS/ACCP, the best predictor for surgical indications (for both PAL and ipsilateral recurrence) was Kircher's method (odds ratio = 5.636, 95% CI 3.338-9.516, p < 0.001). The four volumetric methods were significantly correlated with pneumothorax volume (rho ≥ 0.8, p < 0.001, for all comparisons). CONCLUSIONS Pneumothorax volume/size calculated in the first PSP episode may help predict surgical candidates, with Kircher's method being the best predictor. There was a correlation between all the volumetric methods of the pneumothorax volume.
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Affiliation(s)
- Necati Çıtak
- Thoracic Surgery, Bakirkoy Dr Sadi Konuk Training and Research Hospital, Tevfik Sağlam Cd. E blok 1.Kat, 34010, Istanbul, Turkey.
| | - Servet Özdemir
- Thoracic Surgery, Bakirkoy Dr Sadi Konuk Training and Research Hospital, Tevfik Sağlam Cd. E blok 1.Kat, 34010, Istanbul, Turkey
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19
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Short C, Maselli KM, Mallicote MU, Delaplain P, Gayer C. Children with large primary spontaneous pneumothoraxes may benefit from early operative intervention. Pediatr Surg Int 2022; 38:423-429. [PMID: 35076755 DOI: 10.1007/s00383-022-05068-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/12/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE The initial management of primary spontaneous pneumothoraxes (PSP) in children remains controversial, particularly regarding the timing of operative intervention. This study aimed to identify factors associated with failure of non-operative management of PSP. METHODS A single-center, retrospective review was performed for patients presenting with PSP. Demographics and clinical predictors were collected. Patients successfully managed non-operatively were compared to failed non-operative management. Fischer exact and Mann-Whitney tests were used as appropriate. RESULTS Fifty-seven pediatric patients were identified as having PSP. Four patients underwent initial surgical intervention, 60% (n = 34) were successfully managed non-operatively, while 33% (n = 19) failed non-operative management and underwent video-assisted thoracic surgery (VATS). Those who failed were more likely to have PSP > 2 cm on initial X-ray (79% vs. 44%, p = 0.021) and have a persistent air leak for > 48 h (47% vs 6%, p ≤ 0.001). LOS was greater in the failure group (11.5 ± 5.1 vs 3.1 ± 2.5, p ≤ 0.001) as well as higher complication rates (21% vs 0%, p = 0.013). CONCLUSION Our findings suggest that patients presenting with PSP of > 2 cm or have a persistent air leak for > 48 h despite chest tube management are unlikely to be treated by chest tube alone and may benefit from earlier operative intervention.
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Affiliation(s)
- Celia Short
- Division of Pediatric Surgery, Children's Hospital Los Angeles, 4650 Sunset Boulevard, Mailstop 100, Los Angeles, CA, 90027, USA
| | - Kathryn M Maselli
- Division of Pediatric Surgery, Children's Hospital Los Angeles, 4650 Sunset Boulevard, Mailstop 100, Los Angeles, CA, 90027, USA
| | - Michael U Mallicote
- Division of Pediatric Surgery, Children's Hospital Los Angeles, 4650 Sunset Boulevard, Mailstop 100, Los Angeles, CA, 90027, USA
| | - Patrick Delaplain
- Division of Pediatric Surgery, Children's Hospital Los Angeles, 4650 Sunset Boulevard, Mailstop 100, Los Angeles, CA, 90027, USA
| | - Christopher Gayer
- Division of Pediatric Surgery, Children's Hospital Los Angeles, 4650 Sunset Boulevard, Mailstop 100, Los Angeles, CA, 90027, USA.
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Shigefuku S, Takahashi H, Ito M, Kajiwara N, Ohira T, Ikeda N. Significance of very-low-voltage coagulation plus coverage with polyglycolic acid sheet after bullectomy for primary spontaneous pneumothorax. Asian Cardiovasc Thorac Ann 2022; 30:2184923211072595. [PMID: 35040360 DOI: 10.1177/02184923211072595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND The purpose of this study was to clarify the efficacy of the combination of low-voltage coagulation plus staple line coverage with a polyglycolic acid sheet after bullectomy for primary spontaneous pneumothorax to prevent a postoperative recurrence. METHODS A total of 143 patients who underwent bullectomy for primary spontaneous pneumothorax between January 2014 and December 2019 were enrolled in this study. We classified the patients into two groups based on additional procedures after bullectomy, namely, low-voltage coagulation for the margin of the staple line plus coverage with a polyglycolic acid sheet (Group A) and staple line coverage with a polyglycolic acid sheet alone (Group B). We evaluated perioperative factors and recurrence-free survival after surgery in the two groups. RESULTS Nine patients in Group B developed postoperative recurrences. In contrast, there was no postoperative recurrence in Group A. According to the Kaplan-Meier curves, the 2-year recurrence-free survival rates of the patients were 100% and 90.3%, in Group A and Group B, respectively. The log-rank test showed a significant difference between the two groups (p = 0.031). CONCLUSION Low-voltage coagulation for the margin of a staple line plus coverage with a polyglycolic acid sheet is a useful option as an additional technique after bullectomy for primary spontaneous pneumothorax to prevent a postoperative recurrence.
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Affiliation(s)
- Shunsuke Shigefuku
- Department of Surgery, 89440Hachioji Medical Center of Tokyo Medical University, Tokyo, Japan
| | - Hidenobu Takahashi
- Department of Surgery, 89440Hachioji Medical Center of Tokyo Medical University, Tokyo, Japan
| | - Maki Ito
- Department of Surgery, 89440Hachioji Medical Center of Tokyo Medical University, Tokyo, Japan
| | - Naohiro Kajiwara
- Department of Surgery, 89440Hachioji Medical Center of Tokyo Medical University, Tokyo, Japan
| | - Tatsuo Ohira
- Department of Surgery, Tokyo Medical University, Tokyo, Japan
| | - Norihiko Ikeda
- Department of Surgery, Tokyo Medical University, Tokyo, Japan
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21
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Tsuboshima K, Kurihara M, Seyama K. Current opinion and comparison of surgical procedures for the treatment of primary spontaneous pneumothorax. Expert Rev Respir Med 2021; 16:161-171. [PMID: 34821193 DOI: 10.1080/17476348.2022.2011218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Although three-port video-assisted thoracoscopic surgery (VATS) is the standard radical treatment for primary spontaneous pneumothorax (PSP), several issues need to be addressed as the postoperative recurrence rate remains relatively high. Although bullectomy is effective in preventing the postoperative recurrence of PSP, recurrent pneumothorax often occurs, requiring additional methods such as pleural covering with absorbable mesh sheets, surgical chemical pleurodesis, pleural abrasion, or pleurectomy. In addition, minimally invasive approaches that exceed three-port VATS are required according to the social demand. These approaches, such as uniportal VATS, reduced port surgery, and needlescopic surgery, have cosmetic merits, lower postoperative pain, and similar surgical results as three-port VATS. AREAS COVERED We focused on conventional and novel treatments for PSP in this article. EXPERT OPINION Effective methods that prevent postoperative recurrence and minimally invasive approaches will become popular in the near future.
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Affiliation(s)
- Kenji Tsuboshima
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, Tokyo, Japan.,The Study Group for Pneumothorax and Cystic Lung Diseases, Tokyo, Japan
| | - Masatoshi Kurihara
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, Tokyo, Japan.,The Study Group for Pneumothorax and Cystic Lung Diseases, Tokyo, Japan
| | - Kuniaki Seyama
- The Study Group for Pneumothorax and Cystic Lung Diseases, Tokyo, Japan.,Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, Tokyo, Japan
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22
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Ma W, Deng X, Wen M, Yang L, Ouyang X, Liu X, Liu Y. Axillary uniportal video-assisted thoracoscopic surgery for bullae is a cosmetically superior approach to primary spontaneous pneumothorax: a case report. J Cardiothorac Surg 2021; 16:314. [PMID: 34702337 PMCID: PMC8549231 DOI: 10.1186/s13019-021-01703-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 10/20/2021] [Indexed: 12/02/2022] Open
Abstract
Background Bulla is a common cause of primary spontaneous pneumothorax. Video-assisted thoracoscopic surgery (VATS) through the lateral chest wall is a common surgical approach and an effective treatment for this condition, but postoperative incision scars affect the aesthetic outcome. VATS via axillary approach can hide the scar in the axilla, and the wound in its natural state is invisible; this greatly improves the cosmetic appearance. To our knowledge, this is the first report of VATS-based bullectomy via the axillary approach in a patient with spontaneous pneumothorax. Case presentation A 20-year-old female patient was admitted to the hospital with a 2-day history of chest tightness and chest pain. Plain chest computed tomography showed right spontaneous pneumothorax, lung compression of 75%, and right pulmonary bulla. After complete preoperative examination, VATS bullectomy via right axillary approach was performed. During the operation, a bulla measuring about 4 × 4 cm was found at the apex of the right lung and resected. The incision healed well, and the patient was discharged after surgery. Conclusions VATS bullectomy via axillary approach is safe and feasible, with the incision hidden in the axilla and not visible in the natural state. This method leaves no scar on the chest wall and has good cosmetic outcome.
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Affiliation(s)
- Weijiang Ma
- Department of Thoracic Surgery, Second Affiliated Hospital of Kunming Medical University, NO.374th Dianmian Road, Kunming, 650101, Yunnan Province, China.,Department of Thoracic Surgery, Honghe Prefecture Third People's Hospital, Gejiu, 661000, Yunnan Province, China
| | - Xiuping Deng
- Department of Thoracic Surgery, Honghe Prefecture Third People's Hospital, Gejiu, 661000, Yunnan Province, China
| | - Ming Wen
- Department of Emergency Trauma Surgery, Second Affiliated Hospital of Kunming Medical University, Kunming, 650101, Yunnan Province, China
| | - Limin Yang
- Department of Thoracic Surgery, Second Affiliated Hospital of Kunming Medical University, NO.374th Dianmian Road, Kunming, 650101, Yunnan Province, China
| | - Xun Ouyang
- Department of Thoracic Surgery, Second Affiliated Hospital of Kunming Medical University, NO.374th Dianmian Road, Kunming, 650101, Yunnan Province, China
| | - Xin Liu
- Department of Thoracic Surgery, Second Affiliated Hospital of Kunming Medical University, NO.374th Dianmian Road, Kunming, 650101, Yunnan Province, China.
| | - Yin Liu
- Department of Plastic Surgery, Second Affiliated Hospital of Kunming Medical University, NO.374th Dianmian Road, Kunming, 650101, Yunnan Province, China.
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Mehrabi S, Tanideh N, Hosseinpour R, Irajie C, Yavari Barhaghtalabi MJ. A left lung with four lobes: a new discovery during the thoracotomy for recurrent primary spontaneous pneumothorax. J Cardiothorac Surg 2021; 16:276. [PMID: 34583735 PMCID: PMC8479984 DOI: 10.1186/s13019-021-01651-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 09/14/2021] [Indexed: 11/10/2022] Open
Abstract
Background The right and left lung anatomy are similar but asymmetrical. The right lung consists of three lobes, and the left lung consists of two lobes. Our study is unique because of discovering a very rare morphological feature of the left lung which has not been reported yet. By the way, we compared two different available chemical agents for pleurodesis (talc and bleomycin) according to side effects, complications, and pneumothorax recurrence. Case presentation We reported a case of bilateral primary spontaneous pneumothorax, who underwent talc slurry and bleomycin pleurodesis at right and left side retrospectively, and then complicate with left-sided recurrent spontaneous pneumothorax, so underwent open thoracotomy and was surprisingly and accidentally found to have 4 lobes and 3 fissures in left lung. Conclusion In our case report, there were one main oblique fissure and two accessory fissures which divided the lung into 4 separated lobes, and this discovery in human’s and other animals’ lung anatomy has not been previously reported. In our case study, the talc slurry was more effective in preventing spontaneous pneumothorax recurrence, but with more side effects than bleomycin. We could hypothesize that the morphological variation of the lung might affect spontaneous pneumothorax development and recurrence.
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Affiliation(s)
- Saadat Mehrabi
- Department of General Surgery, Shahid Beheshti Hospital, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Nader Tanideh
- Stem Cells Technology Research Center, Stem Cells Research Institute, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reza Hosseinpour
- Department of General Surgery, Shahid Beheshti Hospital, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Cambyz Irajie
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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Hapsari N, Yudhawati R. Bilateral primary spontaneous pneumothorax with multiple bleb performed by VATS and wedge resection: A rare case in Indonesian adult and review article. Int J Surg Case Rep 2021; 85:106222. [PMID: 34304085 PMCID: PMC8327650 DOI: 10.1016/j.ijscr.2021.106222] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/05/2021] [Accepted: 07/17/2021] [Indexed: 11/17/2022] Open
Abstract
Background Bilateral primary spontaneous pneumothorax (PSP) is a rare case of lung disease. Case presentation A 20-year-old man with a complaint of shortness of breath is suspected of having PSP and tuberculosis. The patient underwent water seal drainage installation in both lung cavities, but showed no improvement. Multiple blebs were found after a few days. A wedge resection with VATS became an option. The patient had improved lung function after the procedure. Discussion The WSD installation showed lungs improvement. However, when trained for lung expansion, the lung condition became bad. After wedge resection with the help of VATS on multiple blebs, the lung had a significant improvement. Conclusion Wedge resection could be considered in PSP patients with multiple blebs. The prevalence of bilateral primary spontaneous pneumothorax (PSP) is very low, around 1–2%. Multiple blebs in bilateral PSP patients indicate the need for surgery. PSP is often found in young adults.
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Affiliation(s)
- Nisya Hapsari
- Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia.
| | - Resti Yudhawati
- Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia.
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Kao CN, Chou SH, Tsai MJ, Chang PC, Liu YW. Male adolescents with contralateral blebs undergoing surgery for primary spontaneous pneumothorax may benefit from simultaneous contralateral blebectomies. BMC Pulm Med 2021; 21:210. [PMID: 34217255 PMCID: PMC8255021 DOI: 10.1186/s12890-021-01577-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 06/29/2021] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND In adults with primary spontaneous pneumothorax (PSP), contralateral recurrence occurs in about 25-28% when there are asymptomatic blebs. How to treat contralateral recurrence of PSP in pediatric populations remains controversial. This study evaluated the outcomes of excising contralateral blebs to prevent recurrence in adolescents being operated on for PSP under the same anesthesia. METHODS One hundred thirty-two male PSP patients under age 19 were surgically treated in a single institution between January 2008 and December 2016. Thoracoscopic blebectomies with pleurodesis were performed in all patients. The patients were categorized into those with contralateral blebs receiving one-stage bilateral surgeries (32 patients), those with contralateral blebs only receiving unilateral surgeries (40 patients), and those without contralateral blebs only receiving unilateral surgeries (60 patients). Perioperative details and outcomes were retrospectively analyzed. RESULTS Significant differences in contralateral recurrence rate were found among the three groups (0%, 30%, and 1%, respectively; P < 0.001). Multivariate analysis showed that being under 16.5 years old was a risk factor for overall recurrence (Hazard ratio [HR] 2.81, 95% confidence interval [CI] 1.08-7.30, P = 0.034). Moreover, patients who had contralateral blebs and only received unilateral surgery were at greater risk of overall recurrence (HR 6.06, 95% CI 1.77-20.75, P = 0.004). Kaplan-Meier analysis showed that contralateral and overall recurrence-free survival differed among the three groups (P < 0.0001, P = 0.0002). CONCLUSIONS Although younger male PSP adolescents treated with surgery were more likely to have postoperative recurrences, the performance of simultaneous contralateral blebectomies in those receiving one-stage bilateral surgeries significantly reduced future contralateral recurrence without compromising patient safety.
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Affiliation(s)
- Chieh-Ni Kao
- Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, No. 100, Tzyou 1st Road, Kaohsiung, 80756, Taiwan
| | - Shah-Hwa Chou
- Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, No. 100, Tzyou 1st Road, Kaohsiung, 80756, Taiwan
- Department of Surgery, Pingtung Hospital, Ministry of Health and Welfare, Pingtung, Taiwan
| | - Ming-Ju Tsai
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Po-Chih Chang
- Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, No. 100, Tzyou 1st Road, Kaohsiung, 80756, Taiwan
| | - Yu-Wei Liu
- Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, No. 100, Tzyou 1st Road, Kaohsiung, 80756, Taiwan.
- PhD Program in Environmental and Occupational Medicine, College of Medicine, Kaohsiung Medical University, National Health Research Institutes, Kaohsiung, Taiwan.
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Jang HJ, Lee JH, Nam SH, Ro SK. Fate of contralateral asymptomatic bullae in patients with primary spontaneous pneumothorax. Eur J Cardiothorac Surg 2021; 58:365-370. [PMID: 32182337 DOI: 10.1093/ejcts/ezaa054] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 01/20/2020] [Accepted: 01/29/2020] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVES This retrospective cohort study aimed to analyse the impact of asymptomatic blebs/bullae on the occurrence of primary spontaneous pneumothorax (PSP) by monitoring the natural course of contralateral blebs/bullae in patients with ipsilateral pneumothorax. METHODS From January 2003 to December 2017, 1055 patients [age 19.6 ± 3.98 years (mean ± standard deviation), 953 men] experiencing the first episode of unilateral PSP were enrolled in this study, excluding patients aged 30 years or more. The presence, number and maximal size of the blebs/bullae were investigated in contralateral asymptomatic lungs based on high-resolution computed tomography. RESULTS Multiple and single blebs/bullae were noted in contralateral lungs in 425 (40.3%) and 88 (8.3%) patients, respectively. The median follow-up period was 44.0 (interquartile range 71.5) months. The 1-, 3- and 5-year cumulative occurrence rates of PSP in contralateral lungs were 7.9%, 13.7% and 16.7%, respectively. On multivariable analysis, younger age [hazard ratio (HR) 1.19, 95% confidence interval (CI) 1.12-1.27; P < 0.001) and multiple bullae (HR 4.42, 95% CI 3.06-6.38; P < 0.001) were independent risk factors for spontaneous pneumothorax in the contralateral lung. The 5-year cumulative occurrence rates of PSP were significantly higher in patients with multiple blebs/bullae than in those with no or a single bleb/bulla (28.2% vs 8.5%, respectively; P < 0.001). CONCLUSIONS Asymptomatic blebs/bullae often lead to PSP. If the patient is eligible for surgery for pneumothorax, preemptive surgery for contralateral bullae could be considered, especially in patients with multiple blebs/bullae.
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Affiliation(s)
- Hyo Jun Jang
- Department of Thoracic and Cardiovascular Surgery, Hanyang University Seoul Hospital, Hanyang University College of Medicine, Seoul, Korea
| | - Jun Ho Lee
- Department of Thoracic and Cardiovascular Surgery, Hanyang University Seoul Hospital, Hanyang University College of Medicine, Seoul, Korea
| | - Seung Hyuk Nam
- Department of Thoracic and Cardiovascular Surgery, Hanyang University Guri Hospital, Hanyang University College of Medicine, Seoul, Korea
| | - Sun Kyun Ro
- Department of Thoracic and Cardiovascular Surgery, Hanyang University Guri Hospital, Hanyang University College of Medicine, Seoul, Korea
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Igai H, Kamiyoshihara M, Furusawa S, Ohsawa F, Yazawa T, Matsuura N. A prospective comparative study of thoracoscopic transareolar and uniportal approaches for young male patients with primary spontaneous pneumothorax. Gen Thorac Cardiovasc Surg 2021; 69:1414-1420. [PMID: 34145507 DOI: 10.1007/s11748-021-01647-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 05/03/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE In this study, we introduce a novel approach, thoracoscopic transareolar bullectomy, for treating young male patients with primary spontaneous pneumothorax (PSP). This approach might be less invasive and cosmetically superior to existing methods. We also prospectively compared transareolar and uniportal approaches. METHODS Between April 2018 and July 2019, 40 patients were prospectively assigned to transareolar (n = 21) and uniportal (n = 19) groups. We compared patient characteristics and perioperative results. Approximately 1 week or 1 year after the operation, postoperative pain was evaluated using a numerical rating scale (NRS), and cosmetic satisfaction was graded on a four-point scale. RESULTS We found no significant between-group differences in patient characteristics or perioperative results. NRS scores did not differ on postoperative day (POD) 7 (transareolar, 1.8 ± 0.9 vs. uniportal, 1.6 ± 0.9; p = 0.62) or in postoperative month (POM) 12 (transareolar, 1.3 ± 0.5 vs. uniportal, 1.1 ± 0.5; p = 0.18). In terms of cosmetic satisfaction, the transareolar group was more satisfied on POD 7 (transareolar, 3.5 ± 0.6 vs. uniportal, 2.9 ± 0.9; p = 0.02) and in POM 12 (transareolar, 3.8 ± 0.5 vs. uniportal, 3.3 ± 0.9; p = 0.0065). CONCLUSION Although the perioperative results of the transareolar and uniportal approaches were similar, the former approach afforded a little better cosmetic satisfaction and might be useful option for young males with PSP.
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Affiliation(s)
- Hitoshi Igai
- Department of General Thoracic Surgery, Japanese Red Cross Maebashi Hospital, 389-1 Asakura-cho, Maebashi, Gunma, 371-0811, Japan.
| | - Mitsuhiro Kamiyoshihara
- Department of General Thoracic Surgery, Japanese Red Cross Maebashi Hospital, 389-1 Asakura-cho, Maebashi, Gunma, 371-0811, Japan
| | - Shinya Furusawa
- Department of General Thoracic Surgery, Japanese Red Cross Maebashi Hospital, 389-1 Asakura-cho, Maebashi, Gunma, 371-0811, Japan
| | - Fumi Ohsawa
- Department of General Thoracic Surgery, Japanese Red Cross Maebashi Hospital, 389-1 Asakura-cho, Maebashi, Gunma, 371-0811, Japan
| | - Tomohiro Yazawa
- Department of General Thoracic Surgery, Japanese Red Cross Maebashi Hospital, 389-1 Asakura-cho, Maebashi, Gunma, 371-0811, Japan
| | - Natsumi Matsuura
- Department of General Thoracic Surgery, Japanese Red Cross Maebashi Hospital, 389-1 Asakura-cho, Maebashi, Gunma, 371-0811, Japan
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Liang H, Liu Y, Jiang J, Zhong G. Is surgery a risk factor for contralateral recurrence pneumothorax in adolescent with primary spontaneous pneumothorax? Gen Thorac Cardiovasc Surg 2021; 69:1492-1498. [PMID: 34097199 DOI: 10.1007/s11748-021-01663-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 06/02/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVES Controversy exists regarding the justification of primary surgery in primary spontaneous pneumothorax, and surgery is not free from recurrence. We hypothesized that surgery is a risk factor for contralateral recurrence pneumothorax in adolescent. METHODS We performed a retrospective cohort study of 163 adolescent with pneumothorax who were treated conservatively with chest tube (n = 100) or chest tube followed by video-assisted thoracoscopic surgery (n = 63) from January 2009 through December 2017. RESULTS Ipsilateral recurrence was significantly more common following conservative treatment than surgical treatment (25.0 vs. 3.2%, P < 0.001), while contralateral recurrence was more common in the surgical group than in the conservative group (15.9 vs. 6.0%, P = 0.039). The rates of second episode pneumothorax did not significantly differ between the two treatment groups (P = 0.092). Univariate analysis identified that patients who were treated conservatively had greater risk of ipsilateral recurrence (P = 0.002), while those who proceeded to surgery had greater risk of contralateral recurrence (P = 0.046). No predictors for second episode pneumothorax were found. CONCLUSION To avoid over treatment, we recommend that conservative treatment should be the superior option and CT scan should not be a routine examination in adolescent with their first episode of PSP.
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Affiliation(s)
- Henglun Liang
- Department of Cardiothoracic Surgery, Guangzhou Panyu Central Hospital, Guangdong, 511400, People's Republic of China.
| | - Yuanting Liu
- Information Statistics Center, Guangzhou Panyu Central Hospital, Guangdong, 511400, People's Republic of China
| | - Junwei Jiang
- Department of Cardiothoracic Surgery, Guangzhou Panyu Central Hospital, Guangdong, 511400, People's Republic of China
| | - Guimian Zhong
- Department of Radiology, Guangzhou Panyu Central Hospital, Guangdong, 511400, People's Republic of China
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Cattoni M, Rotolo N, Mastromarino MG, Cardillo G, Nosotti M, Mendogni P, Rizzi A, Raveglia F, Siciliani A, Rendina EA, Cagini L, Matricardi A, Filosso PL, Passone E, Margaritora S, Vita ML, Bertoglio P, Viti A, Imperatori A. Analysis of pneumothorax recurrence risk factors in 843 patients who underwent videothoracoscopy for primary spontaneous pneumothorax: results of a multicentric study. Interact Cardiovasc Thorac Surg 2021; 31:78-84. [PMID: 32353121 DOI: 10.1093/icvts/ivaa064] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 02/20/2020] [Accepted: 03/03/2020] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES Risk factors for pneumothorax recurrence after videothoracoscopy for primary spontaneous pneumothorax are still being debated. The goal of this study was to assess whether the pleurodesis technique and other variables are possibly associated with the postoperative ipsilateral recurrence of pneumothorax. METHODS We retrospectively collected data of 1178 consecutive ≤40-year-old patients who underwent videothoracoscopy for primary spontaneous pneumothorax in 9 centres between 2007 and 2017. We excluded patients with hybrid pleurodesis and/or incomplete follow-up, leaving for analysis 843 cases [80% men; median age (interquartile range) 22 (18-28) years]. Univariable and multivariable analyses were performed by logistic regression and tested by Cox regression model to assess factors related to ipsilateral pneumothorax recurrence including age, gender, body mass index, smoking habit, cannabis smoking, respiratory comorbidity, dystrophic severity score, surgical indication, videothoracoscopy port number and side, lung resection, pleurodesis technique and postoperative prolonged air leak (>5 days). RESULTS Blebs/bullae resection was performed in 664 (79%) patients. Pleurodesis was achieved by partial pleurectomy in 228 (27%) cases; by pleural electrocauterization in 176 (21%); by pleural abrasion in 121 (14%); and by talc poudrage in 318 (38%). During a median follow-up period of 70.0 months (95% confidence interval 66.6-73.4), pneumothorax recurred in 79 patients (9.4%); among these, 29 underwent redo surgery; 34, chest drain/talc slurry; and 16, clinicoradiological observation. The only independent risk factor for recurrence was postoperative prolonged air leak (P < 0.001) that was significantly related to blebs/bullae resection (P = 0.03). CONCLUSIONS In this multicentric series, postoperative ipsilateral pneumothorax recurrence was remarkable and independently related to prolonged postoperative air leak; besides the retrospective study setting, the pleurodesis method did not have an impact on recurrence. To prevent prolonged air leak, blebs/bullae treatment should be accurate and performed only if indicated.
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Affiliation(s)
- Maria Cattoni
- Center for Thoracic Surgery and Center for Minimally Invasive Surgery, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Nicola Rotolo
- Center for Thoracic Surgery and Center for Minimally Invasive Surgery, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | | | - Giuseppe Cardillo
- Unit of Thoracic Surgery, Regional Hospital San Camillo-Forlanini, Rome, Italy
| | - Mario Nosotti
- Thoracic Surgery and Lung Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Paolo Mendogni
- Thoracic Surgery and Lung Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Alessandro Rizzi
- Thoracic Surgery, ASST Santi Paolo e Carlo, Ospedale San Paolo, Milan, Italy
| | - Federico Raveglia
- Thoracic Surgery, ASST Santi Paolo e Carlo, Ospedale San Paolo, Milan, Italy
| | | | - Erino A Rendina
- Department of Thoracic Surgery, Sapienza University of Rome, Rome, Italy
| | - Lucio Cagini
- Department of Thoracic Surgery, University of Perugia Medical School, Perugia, Italy
| | - Alberto Matricardi
- Department of Thoracic Surgery, University of Perugia Medical School, Perugia, Italy
| | - Pier Luigi Filosso
- Department of Thoracic Surgery, Azienda Ospedaliera Universitaria Città della Salute e della Scienza di Torino, Turin, Italy
| | - Erika Passone
- Department of Thoracic Surgery, Azienda Ospedaliera Universitaria Città della Salute e della Scienza di Torino, Turin, Italy
| | - Stefano Margaritora
- Department of General Thoracic Surgery, Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Maria Letizia Vita
- Department of General Thoracic Surgery, Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Pietro Bertoglio
- Division of Thoracic Surgery, IRCCS, Sacro Cuore-Don Calabria Hospital, Negrar di Valpolicella, Verona, Italy
| | - Andrea Viti
- Division of Thoracic Surgery, IRCCS, Sacro Cuore-Don Calabria Hospital, Negrar di Valpolicella, Verona, Italy
| | - Andrea Imperatori
- Center for Thoracic Surgery and Center for Minimally Invasive Surgery, Department of Medicine and Surgery, University of Insubria, Varese, Italy
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Lawrence AE, Huntington JT, Savoie K, Dykes M, Aldrink JH, Richards H, Besner GE, Kenney B, Fisher J, Minneci PC, Michalsky MP. Improving care through standardized treatment of spontaneous pneumothorax. J Pediatr Surg 2021; 56:55-60. [PMID: 33139032 DOI: 10.1016/j.jpedsurg.2020.09.048] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 09/22/2020] [Indexed: 11/23/2022]
Abstract
PURPOSE The objective of this quality improvement (QI) initiative was to implement a standardized clinical treatment protocol for patients presenting with primary spontaneous pneumothorax (PSP) in order to decrease hospital length of stay (LOS), diagnostic radiation exposure, and related cost. METHODS Baseline data from patients admitted with PSP from January 1, 2016 to July 31, 2018 were compared to data from patients managed using a newly developed evidence-based treatment pathway from August 1, 2018 to December 31, 2019. Standard QI methodology was used to track results. RESULTS Fifty-six episodes of PSP were observed during the baseline period and 40 episodes of PSP following initiation of the PSP protocol. The average LOS decreased from 4.5 days to 2.9 days. Patients underwent an average of 8.8 X-rays per admission preintervention versus 5.9 postintervention. The rate of CT scans decreased from 45% to 15% (p = 0.002). There was no significant difference in the rates of 30-day recurrence between the preintervention (13%) and postintervention (10%) groups (p = 0.7). Average admission costs per patient decreased by $1322 after adoption of the pathway. CONCLUSIONS Adoption of a standardized treatment protocol for PSP led to a reduction in LOS, diagnostic imaging utilization, and cost without increasing clinical recurrence. TYPE OF STUDY Quality improvement. LEVEL OF EVIDENCE Level III.
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Hung WT, Chen HM, Wu CH, Hsu WM, Lin JW, Chen JS. Recurrence rate and risk factors for recurrence after thoracoscopic surgery for primary spontaneous pneumothorax: A nationwide population-based study. J Formos Med Assoc 2020; 120:1890-1896. [PMID: 33384212 DOI: 10.1016/j.jfma.2020.12.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 10/18/2020] [Accepted: 12/08/2020] [Indexed: 11/28/2022] Open
Abstract
PURPOSE This large-scale nationwide population-based study aimed to determine the recurrence rate and risk factors for recurrence after video-assisted thoracoscopic surgery (VATS) for primary spontaneous pneumothorax (PSP). METHODS This retrospective study used data from the Taiwan National Health Insurance Database to identify individuals who underwent VATS for PSP from 2007 to 2014. All patients were followed up until December 31, 2017. Study variables included demographic characteristics, intensive care unit admission, lung resection status, use of non-steroidal anti-inflammatory drugs (NSAIDs), and hospital level. The primary outcome was 1-year recurrence, and the secondary outcomes were the 1-year rate of reintervention for recurrence and overall recurrence rate. RESULTS During the study period, 6654 patients underwent VATS for PSP (average age: 23.2 years, 89.1% male), including 910 patients (13.7%) who experienced recurrence within 1 year and 531 patients (8.0%) who required reintervention within 1 year. The overall recurrence rate was 24.8%, with an average follow-up time of 6.7 years. Age ≤18 years and the use of NSAIDs, especially ketorolac, were significant risk factors for 1-year recurrence and overall recurrence. Younger age was a risk factor for 1-year reintervention. In subgroup analysis, NSAID use was a significant risk factor for 1-year recurrence, 1-year reintervention, and overall recurrence in pediatric patients but not in adult patients. CONCLUSIONS In Taiwan, the 1-year recurrence rate was 13.7% after VATS for PSP. Younger age and the use of NSAIDs, especially ketorolac, were significant risk factors for short- and long-term recurrence after VATS for PSP.
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Affiliation(s)
- Wan-Ting Hung
- Division of Thoracic Surgery, Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan; Division of Pediatric Surgery, Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan; Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Ho-Min Chen
- Health Data Research Center, National Taiwan University, Taipei, Taiwan
| | - Chien-Hui Wu
- Department of Traumatology, National Taiwan University Hospital, Taipei, Taiwan
| | - Wen-Ming Hsu
- Division of Pediatric Surgery, Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan; Department of Surgery, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Jou-Wei Lin
- Cardiovascular Center, National Taiwan University Hospital Yunlin Branch, Douliu City, Yunlin County, Taiwan
| | - Jin-Shing Chen
- Department of Surgery, National Taiwan University College of Medicine, Taipei, Taiwan; National Taiwan University Cancer Center, Taipei, Taiwan.
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Akinmade A, Alabi K, Abidoye I, Abel A, Adeyefa A. Voice training induced spontaneous pneumothorax. Respir Med Case Rep 2020; 31:101304. [PMID: 33304808 DOI: 10.1016/j.rmcr.2020.101304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 11/11/2020] [Accepted: 11/21/2020] [Indexed: 11/21/2022] Open
Abstract
Background Voice training induced spontaneous pneumothorax is seldom reported in the literature. This study reports a case of middle-aged man without comorbidities who presented with spontaneous pneumothorax following voice training and made a complete recovery after CT guided needle thoracostomy. Case report This is a case of a middle-aged male non-smoker with ectomorphic build who presented with chest pain of sudden onset and difficulty in breathing following voice training. The chest pain was central, radiated to the left shoulder and aggravated by lying supine. Chest auscultation revealed reduced breath sounds on the left middle and lower lung zones posteriorly.An initial diagnosis of chest pain of unknown origin was made. Chest radiograph done revealed a left sided pneumothorax, with no background lung pathology seen. Chest CT was done to rule out any underlying pathology, to quantify the pneumothorax and to plan for CT guided needle thoracostomy at our institution.Complete resolution of the left sided pneumothorax was seen after the procedure. Conclusion Voice training is a rare cause of primary spontaneous pneumothorax. In the absence of any other lung pathology, it can be effectively managed by CT guided needle thoracostomy as seen in the index patient.It is essential for emergency physicians to include voice training as a potential cause for primary spontaneous pneumothorax.
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Jouneau S, Vuillard C, Salé A, Bazin Y, Sohier L, Kerjouan M, Ricard JD, Messika J. Outpatient management of primary spontaneous pneumothorax. Respir Med 2020; 176:106240. [PMID: 33248364 DOI: 10.1016/j.rmed.2020.106240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 11/10/2020] [Accepted: 11/16/2020] [Indexed: 01/01/2023]
Abstract
The outpatient management of primary spontaneous pneumothorax (PSP) is still debated. The risk of a tension pneumothorax is used to justify active treatment like chest-tube drainage, although outpatient management can reduce both the time in hospital and the cost of treatment. It is also likely to be the patient's choice. This report is a reappraisal of the situations for which outpatient management, by monitoring alone, or using minimally invasive techniques, can be considered.
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Affiliation(s)
- Stéphane Jouneau
- Service de Pneumologie, Centre de Compétences pour Les Maladies Pulmonaires Rares, Hôpital Pontchaillou, Rennes, France; IRSET UMR, 1085, Université de Rennes 1, Rennes, France
| | - Constance Vuillard
- Service de Réanimation Médico-Chirurgicale, AP-HP.Nord - Université de Paris, Hôpital Louis Mourier, F-92700, Colombes, France
| | - Alexandre Salé
- Service de Pneumologie, Centre de Compétences pour Les Maladies Pulmonaires Rares, Hôpital Pontchaillou, Rennes, France
| | - Yann Bazin
- Service des Maladies Respiratoires et Infectieuses, Hôpital Broussais, 35400, Saint-Malo, France
| | - Laurent Sohier
- Service de Pneumologie, Centre Hospitalier Bretagne Sud, Lorient, France
| | - Mallorie Kerjouan
- Service de Pneumologie, Centre de Compétences pour Les Maladies Pulmonaires Rares, Hôpital Pontchaillou, Rennes, France
| | - Jean-Damien Ricard
- Service de Réanimation Médico-Chirurgicale, AP-HP.Nord - Université de Paris, Hôpital Louis Mourier, F-92700, Colombes, France; Université de Paris, Infection, Antimicrobials, Modelling, Evolution, IAME, UMR 1137, INSERM, F, 75018, Paris, France
| | - Jonathan Messika
- Service de Pneumologie B et Transplantation Pulmonaire, AP-HP.Nord - Université de Paris, Hôpital Bichat-Claude Bernard, F-75018, Paris, France; Université de Paris, Physiopathology and Epidemiology of Respiratory Diseases, PHERE, UMR1152, INSERM, F-75018 Paris, France.
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Tsuboshima K, Kurihara M, Nonaka Y, Ochi T. Is conventional management of primary spontaneous pneumothorax appropriate? Gen Thorac Cardiovasc Surg 2020; 69:716-721. [PMID: 33180257 DOI: 10.1007/s11748-020-01535-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 10/20/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE This study aimed to evaluate the recurrence rate after primary and secondary conservative treatments and to clarify the validity of current primary spontaneous pneumothorax management by comparing secondary conservative treatment and surgical outcomes. METHODS Data from 166 patients with primary spontaneous pneumothorax treated at a single site between September 2015 and March 2019 were retrospectively evaluated. Patient characteristics of those who received primary conservative therapy (n = 166) and secondary conservative therapy (n = 28) were summarized. The outcomes from patients who experienced recurrence (n = 64) were compared based on those who underwent surgery (n = 24) and those who underwent secondary conservative therapy (n = 28). RESULTS The post-treatment day 60 recurrence rate was 27.1 and 49.5% cases in the primary and secondary treatment groups, respectively, which was significantly higher after secondary treatment than after primary treatment with conservative therapy (p = 0.032). The post-treatment one-year recurrence rate was 13.5 and 57.9% in patients who underwent surgery and secondary conservative treatment, respectively; secondary conservative treatment resulted in a significantly higher recurrence rate than surgery (p < 0.001). CONCLUSIONS There is evidence for guidelines that recommend surgery for recurrent primary spontaneous pneumothorax after primary conservative therapy based on its lower and more delayed post-treatment recurrence rate than secondary treatment with conservative therapy.
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Affiliation(s)
- Kenji Tsuboshima
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, 4-8-1 Seta Setagaya-ku, Tokyo, 158-0095, Japan
| | - Masatoshi Kurihara
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, 4-8-1 Seta Setagaya-ku, Tokyo, 158-0095, Japan.
| | - Yuto Nonaka
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, 4-8-1 Seta Setagaya-ku, Tokyo, 158-0095, Japan
| | - Takahiro Ochi
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, 4-8-1 Seta Setagaya-ku, Tokyo, 158-0095, Japan
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Liu WL, Lv K, Deng HS, Hong QC. Comparison of efficiency and safety of conservative versus interventional management for primary spontaneous pneumothorax: A meta-analysis. Am J Emerg Med 2020; 45:352-357. [PMID: 33046307 DOI: 10.1016/j.ajem.2020.08.092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 08/18/2020] [Accepted: 08/27/2020] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND There is growing opinion that primary spontaneous pneumothorax (PSP) patients without hemodynamic compromise could be safely and successfully managed with observation alone. The aims of this meta-analysis were to estimate the safety and effectiveness of conservative treatment compared with that of interventional management as the initial treatment option for patients with PSP. METHODS The PubMed, Embase and Cochrane library databases were systematically searched for randomized controlled trials (RCTs) and cohort studies (prospective or retrospective) until April 25, 2020, that compared conservative treatment and interventional treatment as the initial treatment for patients with PSP. The primary outcomes were success rates and recurrence rates. The secondary outcome was complication rates. Data extraction and quality assessment from eligible studies were independently conducted by two reviewers. RESULTS 8 trials with a total of 1342 patients were identified. The success rates of conservative management were similar with interventional treatment, with a risk ratio 1.05 (95% confidence interval 0.94 to 1.17, I2 = 69.1%). There was no significant difference of recurrence rates between these two type managements. (RR, 1.43, 95% confidence interval 0.45 to 4.55, I2 = 86.7%). Complication rates were lower in conservative treatment group (13 of 215 [6.05%]) than in interventional treatment group (57 of 212, [26.89%]), although the difference did not reach statistical significance (RR, 0.15, 95% CI, 0.02 to 1.13, I2 = 56.7%). CONCLUSIONS Results of the meta-analysis suggest that conservative treatment offers a safe and effective alternative as compared with interventional management as the initial treatment approach for patients with PSP. However, more randomized clinical trials are need to provide more strong evidence to confirm our results.
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Affiliation(s)
- Wan-Li Liu
- The Department of Cardiothoracic Surgery, Longgang Central Hospital of Shenzhen, Address: No. 6028 Longgang Avenue, Longgang District, Shenzhen, PR China; Zunyi Medical University, No.6 Xuefu West Road, Xinpu New District, Zunyi City, China
| | - Kun Lv
- The Department of Cardiothoracic Surgery, Longgang Central Hospital of Shenzhen, Address: No. 6028 Longgang Avenue, Longgang District, Shenzhen, PR China
| | - Hong-Shen Deng
- The Department of Cardiothoracic Surgery, Longgang Central Hospital of Shenzhen, Address: No. 6028 Longgang Avenue, Longgang District, Shenzhen, PR China; Zunyi Medical University, No.6 Xuefu West Road, Xinpu New District, Zunyi City, China
| | - Qiong-Chuan Hong
- The Department of Cardiothoracic Surgery, Longgang Central Hospital of Shenzhen, Address: No. 6028 Longgang Avenue, Longgang District, Shenzhen, PR China; Zunyi Medical University, No.6 Xuefu West Road, Xinpu New District, Zunyi City, China.
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Tsuboshima K, Kurihara M, Yamanaka T, Watanabe K, Matoba Y, Seyama K. Does a gender have something to do with clinical pictures of primary spontaneous pneumothorax? Gen Thorac Cardiovasc Surg 2020; 68:741-745. [PMID: 32462402 DOI: 10.1007/s11748-020-01388-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 05/09/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Primary spontaneous pneumothorax is relatively rarer in women than in men. In addition, women develop secondary spontaneous pneumothorax, such as lymphangioleiomyomatosis, which is rare and difficult to diagnose. Therefore, the clinical characteristics of primary spontaneous pneumothorax in women remain unknown presently. We compared the clinical characteristics of primary spontaneous pneumothorax between the two sexes at two pneumothorax centers. METHODS Between January 2015 and July 2019, we retrospectively evaluated 627 cases (106 women and 521 men) who underwent first video-assisted thoracoscopic surgery for primary spontaneous pneumothorax and extracted the medical backgrounds and postoperative recurrence between the sexes. Univariate and multivariate analysis was used to examine the effect of sexual specificity on postoperative recurrence. RESULTS Among women and men with PSP, the mean ages were 27.8 ± 10.7 and 24.3 ± 10.0 years, respectively; their mean heights were 162.0 ± 5.9 and 173.3 ± 6.1 cm, respectively. These differences were statistically significant. Three women (2.8%) and 54 men (10.4%) developed postoperative recurrence, which showed significant difference on Kaplan-Meier analysis (p = 0.027). Univariate and multivariate analysis showed the factors; women (p = 0.045, hazard ratio: 0.289 [95% confidence interval 0.086-0.973]) and smoker (p = 0.035, hazard ratio: 0.269 [95% confidence interval 0.079-0.909]) had the preventing factor for postoperative recurrence, respectively. CONCLUSIONS Women with PSP had lower postoperative recurrence rate than men. Although we could not reveal why women had lower postoperative recurrence rates than men in this study, the sexual difference such as hormonal cycle, development of body structure possibly affects the clinical characteristics of women with primary spontaneous pneumothorax.
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Affiliation(s)
- Kenji Tsuboshima
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, 4-8-1 Seta Setagaya-ku, Tokyo, 158-0095, Japan
| | - Masatoshi Kurihara
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, 4-8-1 Seta Setagaya-ku, Tokyo, 158-0095, Japan.
| | - Takahiro Yamanaka
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, 4-8-1 Seta Setagaya-ku, Tokyo, 158-0095, Japan
| | - Kenichi Watanabe
- Pneumothorax Research Center and Division of Thoracic Surgery, Nissan Tamagawa Hospital, 4-8-1 Seta Setagaya-ku, Tokyo, 158-0095, Japan
| | - Yasumi Matoba
- Department of Surgery, Takasago Municipal Hospital, Hyogo, Japan
| | - Kuniaki Seyama
- Division of Respiratory Medicine, Faculty of Medicine, Graduate School of Medicine, Juntendo University, Tokyo, Japan
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Riveiro-Blanco V, Pou-Álvarez C, Ferreiro L, Toubes ME, Quiroga-Martínez J, Suárez-Antelo J, García-Prim JM, Rivo-Vázquez JE, Castro-Calvo R, González-Barcala FJ, Gude F, Valdés L. Recurrence of primary spontaneous pneumothorax: Associated factors. Pulmonology 2020:S2531-0437(20)30137-9. [PMID: 32601016 DOI: 10.1016/j.pulmoe.2020.06.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/30/2020] [Accepted: 06/02/2020] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Determining the risk of recurrence of primary spontaneous pneumothorax is challenging. The objective of this study was to develop a risk assessment model to predict the probability of recurrence in patients with spontaneous pneumothorax. METHODS A retrospective study was performed of all episodes of pneumothorax diagnosed in the last 12 years in a hospital, in patients not initially submitted to surgery. Logistic regression was used to estimate the probability of recurrence. Based on a set of variables, a predictive model was built with its corresponding ROC curve to determine its discrimination power and diagnostic precision. RESULTS Of the 253 patients included, 128 (50.6%) experienced recurrence (37% within the first year). Recurrence was detected within 110 days in 25% of patients. The median of time to recurrence for the whole population was 1120 days. The presence of blebs/bullae was found to be a risk factor of recurrence (OR: 5.34; 95% CI: 2.81-10.23; p=0.000), whereas chest drainage exerted protective effect (OR: 0.19; 95% CI: 0.08-0.40; p=0.000). The variables included in the regression model constructed were hemoglobin and leukocyte count in blood, treatment received, and presence of blebs/bullae, with a fair discriminative power to predict recurrence [AUC=0.778 (95% CI: 0.721-0.835)]. CONCLUSION The overall recurrence rate was high and was associated with the presence of blebs/bullae, failure to perform an active intervention (chest drainage) and low levels of hemoglobin and leukocytes in blood. Recurrence rarely occurs later than three years after the first episode. Once validated, this precision model could be useful to guide therapeutic decisions.
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Abstract
Objective In the treatment of primary spontaneous pneumothorax (PSP), the influence of safety and applicability of uniportal video assisted thoracoscopic surgery (VATS) bullectomy/blebectomy and pleurectomy method were evaluated in 46 patients. Methods Between November 2010 and January 2019, 46 patients (36 males, 10 females; mean age 24.2 years; range 16-36 years) undergoing uniportal video thoracoscopic bullectomy/blebectomy and apical pleurectomy for primary spontaneous pneumothorax were evaluated retrospectively at Canakkale Onsekiz Mart University (COMU). One patient underwent surgery for the second time after three months for contralateral pneumothorax and counted as two different patients, hence forty seven operations were performed in total. The cases were evaluated in terms of age, gender, comorbidity, duration of hospital stay, histopathological diagnosis, postoperative morbidity and mortality. Results Right surgical intervention was performed in 20 cases (42.6%) and left surgical intervention in 27 cases (57.6%). A total of 15 (31.9%) surgical operations were performed during the first attack, 30 (63.8%) during the second attack and 2 (4.3%) during third and more attacks. There was prolonged air leakage in all patients operated during the first episode. All cases underwent wedge resection and pleurectomy with endoscopic stapes. None of the patients required thoracotomy. Postoperative drainage period was between 2-7 days (mean: 4.1) and the duration of hospitalization was between three to eight days. Postoperative pain and paraesthesia were observed in eight cases. Prolonged air leakage was observed in five cases. Conclusion With video thoracoscopic uniportal technique, not only lung biopsy and resection but also bullectomy/blebectomy and pleurectomy operations can be performed safely in the treatment of PSP. In view of this information, minimally invasive techniques are seen as more advantageous than conventional techniques.
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Affiliation(s)
- Hasan Oguz Kapicibasi
- Hasan Oguz Kapicibasi, MD. Department of Thoracic Surgery, Canakkale Onsekiz Mart University, Faculty of Medicine, Canakkale, Turkey
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Zhu P, Xia H, Sun Z, Zhu D, Deng L, Zhang Y, Zhang H, Wang D. Manual aspiration versus chest tube drainage in primary spontaneous pneumothorax without underlying lung diseases: a meta-analysis of randomized controlled trials. Interact Cardiovasc Thorac Surg 2019; 28:936-944. [PMID: 30608581 DOI: 10.1093/icvts/ivy342] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 11/07/2018] [Accepted: 11/19/2018] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVES Although primary spontaneous pneumothorax (PSP) is an extremely frequent pathology, there is still no clear consensus on the treatment for these patients. We performed a strict meta-analysis on the effectiveness of manual aspiration (MA) compared to chest tube drainage (CTD) for the treatment of PSP. METHODS A literature search was performed on PubMed, EMBASE and the Cochrane Library to identify randomized controlled trials comparing MA with CTD for the treatment of PSP. Independent reviewers evaluated the methodological quality of the included randomized controlled trials. Statistical heterogeneity among studies was quantitatively evaluated using the I-squared index. RESULTS Five randomized controlled trials were included, and a total of 358 subjects were reported on. We found that MA was related to significantly shorter hospital stays [in days; mean difference -1.70, 95% confidence interval (CI) -2.36 to -1.04; P < 0.00001, fixed effect model] compared with CTD. However, no significant differences were found between the 2 treatments for immediate success rate (risk ratio 1.15, 95% CI 0.73-1.81; P = 0.54), 1-year recurrence rate, 1-week success rate, time of recurrence, chest surgery rate or complication rate. Subgroup analysis showed that MA can provide a significantly lower hospitalization rate than CTD with a tube size of >12 Fr or a water seal drainage system. CONCLUSIONS On the basis of the currently available literature, MA is advantageous in the treatment of PSP because of shorter hospital stays. The subgroup analysis also indicates that MA can provide a lower hospitalization rate than CTD with a tube size of >12 Fr or a water seal drainage system. However, there are no significant differences between the 2 interventions with respect to immediate success rate, 1-year recurrence rate, 1-week success rate, time of recurrence, chest surgery rate or complication rate.
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Affiliation(s)
- Pengzhi Zhu
- Department of Cardio-Thoracic Surgery, Tianjin Hospital, Hexi District, Tianjin, China
| | - Honggang Xia
- Department of Cardio-Thoracic Surgery, Tianjin Hospital, Hexi District, Tianjin, China
| | - Zhongyi Sun
- Department of Cardio-Thoracic Surgery, Tianjin Hospital, Hexi District, Tianjin, China
| | - Deqing Zhu
- Department of Cardio-Thoracic Surgery, Tianjin Hospital, Hexi District, Tianjin, China
| | - Limin Deng
- Department of Cardio-Thoracic Surgery, Tianjin Hospital, Hexi District, Tianjin, China
| | - Yongmin Zhang
- Department of Cardio-Thoracic Surgery, Tianjin Hospital, Hexi District, Tianjin, China
| | - Haiquan Zhang
- Department of Cardio-Thoracic Surgery, Tianjin Hospital, Hexi District, Tianjin, China
| | - Dongbin Wang
- Department of Cardio-Thoracic Surgery, Tianjin Hospital, Hexi District, Tianjin, China
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Kavurmaci Ö, Akcam TI, Ergonul AG, Cagirici U, Cakan A. Prolonged air leak after video-assisted thoracoscopic surgery in patients with primary spontaneous pneumothorax. Niger J Clin Pract 2019; 22:1292-1297. [PMID: 31489869 DOI: 10.4103/njcp.njcp_86_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background Patients who have undergone a lung resection owing to primary spontaneous pneumothorax (PSP) may develop prolonged air leak (PAL) during the postoperative period. The present study investigates potential risk factors associated with postoperative PAL in patients who were operated on for PSP. Materials and Methods Patients who underwent operations for PSP between January 2004 and November 2017 were investigated retrospectively. Patients who developed postoperative PAL constituted Group 1, and patients without PAL formed Group 2. A comparison of the two groups was made to identify potential risk factors for the development of prolonged air leak. Results Of the total 79 patients who underwent operations, 18 (22.78%) developed prolonged air leak. All of the patients in Group 1 were male, and the mean age of this group was 23.72 ± 5.76 (18-36) years. Of the patients in Group 2, 51 (83.61%) were male and 10 (16.39%) were female, and the mean age of this group was 25.81 ± 5.91 (17-39) years. There was no statistically significant difference noted between the two groups regarding the investigated factors including age, gender, the total number of previous episodes, number of ipsilateral episodes, number of contralateral episodes, the preferred treatment method for the last episode, smoking status, computerized tomography findings, or the presence of a preoperative air leak. Conclusions PAL is the most common complication associated with PSP surgeries. Although several factors may affect PAL development, no definite conclusion could be drawn concerning the investigated risk factors. We believe that similar studies may contribute to the care of this rare patient population.
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Affiliation(s)
- Ö Kavurmaci
- Department of Thoracic Surgery, Ege University, Faculty of Medicine, Izmir, Turkey
| | - T I Akcam
- Department of Thoracic Surgery, Ege University, Faculty of Medicine, Izmir, Turkey
| | - A G Ergonul
- Department of Thoracic Surgery, Ege University, Faculty of Medicine, Izmir, Turkey
| | - U Cagirici
- Department of Thoracic Surgery, Ege University, Faculty of Medicine, Izmir, Turkey
| | - A Cakan
- Department of Thoracic Surgery, Ege University, Faculty of Medicine, Izmir, Turkey
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Bonilla A, Blair AJ, Alamro SM, Ward RA, Feldman MB, Dutko RA, Karagounis TK, Johnson AL, Folch EE, Vyas JM. Recurrent spontaneous pneumothoraces and vaping in an 18-year-old man: a case report and review of the literature. J Med Case Rep 2019; 13:283. [PMID: 31495337 PMCID: PMC6732835 DOI: 10.1186/s13256-019-2215-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 08/01/2019] [Indexed: 12/21/2022] Open
Abstract
Background Primary spontaneous pneumothorax is a common disorder occurring in young adults without underlying lung disease. Although tobacco smoking is a well-documented risk factor for spontaneous pneumothorax, an association between electronic cigarette use (that is, vaping) and spontaneous pneumothorax has not been noted. We report a case of spontaneous pneumothoraces correlated with vaping. Case presentation An 18-year-old Caucasian man presented twice with recurrent right-sided spontaneous pneumothoraces within 2 weeks. He reported a history of vaping just prior to both episodes. Diagnostic testing was notable for a right-sided spontaneous pneumothorax on chest X-ray and computed tomography scan. His symptoms improved following insertion of a chest tube and drainage of air on each occasion. In the 2-week follow-up visit for the recurrent episode, he was asymptomatic and reported that he was no longer using electronic cigarettes. Conclusions Providers and patients should be aware of the potential risk of spontaneous pneumothorax associated with electronic cigarettes.
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Affiliation(s)
- Alex Bonilla
- Department of Medicine, Harvard Medical School, 25 Shattuck Street, Boston, MA, 02115, USA
| | - Alexander J Blair
- Department of Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
| | - Suliman M Alamro
- Division of Pulmonary and Critical Care, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
| | - Rebecca A Ward
- Department of Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.,Division of Infectious Disease, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
| | - Michael B Feldman
- Department of Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.,Division of Pulmonary and Critical Care, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
| | - Richard A Dutko
- Department of Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.,Division of Infectious Disease, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
| | - Theodora K Karagounis
- Department of Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
| | - Adam L Johnson
- Department of Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
| | - Erik E Folch
- Department of Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.,Division of Pulmonary and Critical Care, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA
| | - Jatin M Vyas
- Department of Medicine, Harvard Medical School, 25 Shattuck Street, Boston, MA, 02115, USA. .,Department of Medicine, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA. .,Division of Infectious Disease, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
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Mo A. Low-cost of uniportal thoracoscopic surgery for primary spontaneous pneumothorax. Respir Med Case Rep 2019; 28:100878. [PMID: 31341761 PMCID: PMC6630017 DOI: 10.1016/j.rmcr.2019.100878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 06/06/2019] [Accepted: 06/10/2019] [Indexed: 11/09/2022] Open
Abstract
Objective Single-incision thoracoscopic surgery is a favorable treatment choice for primary spontaneous pneumothorax, and manual ligation of the bleb during thoracoscopic surgery appears to offer better economic results. In this study we undertook ligation of the bleb by hand under uniportal thoracoscopic surgery for primary spontaneous pneumothorax. Methods Between June 2015 and December 2016, a series of 26 patients with primary spontaneous pneumothorax underwent hand ligation of blebs using the technology of uniportal thoracoscopy, followed by pleural abrasion as necessary. Results No case was converted to two- or three-port video-assisted thoracoscopic surgery during the operation. No patients experienced prolonged (>5 days) air leakage. No other complication was recorded. No recurrence of pneumothorax was encountered during 29–47 months follow-up. Compared with the group treated by bullectomy using stapler, we found a significant reduction in medical costs in the group with bleb ligation. Conclusions Ligation of the bleb by hand under uniportal thoracoscopic surgery for primary spontaneous pneumothorax is a safe and offers better economic results, which is applicable for low income family.
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Affiliation(s)
- Ansheng Mo
- Department of Cardiothoracic Surgery, First Affiliated Hospital of Guangxi Traditional Chinese Medical University, No. 89-9 Dongge Road, Nanning City, Nanning, 530001, Guangxi Zhuang Autonomous Region, China
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Almajid FM, Aljehani YM, Alabkary S, Alsaif HS. The accuracy of computed tomography in detecting surgically resectable blebs or bullae in primary spontaneous pneumothorax. Radiol Med 2019; 124:833-7. [PMID: 31134432 DOI: 10.1007/s11547-019-01044-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 05/13/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVES Chest computed tomography is commonly used in patients with primary spontaneous pneumothorax to detect the presence of pulmonary blebs or bullae. The aim of this study is to calculate the accuracy of chest computed tomography to detect surgically resectable blebs or bullae in patients with primary spontaneous pneumothorax. METHODS This is a retrospective study includes all patients with primary spontaneous pneumothorax who underwent chest computed tomography evaluation for their disease over the period from January 2005 to December 2015. Patients who underwent surgical exploration were sub-grouped to calculate the sensitivity and the specificity of the chest computed tomography to detect surgically resectable pulmonary blebs or bullae. RESULTS A total of 143 patients were included in the study. Among them, 120 patients underwent surgical exploration with the finding of 95.7% sensitivity and 42.3% specificity for the chest computed tomography in detection of surgically resectable pulmonary blebs or bullae. CONCLUSION The sensitivity of the chest computed tomography scan is high in detecting surgically resectable pulmonary blebs or bullae. However, the specificity is low. This may lead to overdiagnosis of the patients to have pulmonary blebs and bullae. Therefore, the routine use of chest computed tomography scan before the surgical exploration in patients with primary spontaneous pneumothorax should depend on the clinical judgment.
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Tsuboshima K, Matoba Y, Wakahara T, Uchida T, Moriyama S. The clinical characteristics and surgical results of smoking-related young pneumothorax. Gen Thorac Cardiovasc Surg 2019; 67:1070-4. [PMID: 31129790 DOI: 10.1007/s11748-019-01146-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 05/20/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVE Primary spontaneous pneumothorax is a common disease that develops in relatively young healthy patients. Although smoking is generally believed to have a negative effect on the lungs, some authors reported that smokers with primary spontaneous pneumothorax had significantly lower postoperative recurrence rates than nonsmokers. This unexpected result suggests that primary spontaneous pneumothorax is classified into two categories: smoking-related young pneumothorax and residual primary spontaneous pneumothorax. We compared these two categories to determine their characteristics and corresponding surgical results. METHODS Between January 2009 and December 2018, we enrolled 267 consecutive cases that underwent first surgery for primary spontaneous pneumothorax in our hospital. A total of 252 eligible cases (211 residual primary spontaneous pneumothorax and 41 smoking-related young pneumothorax) underwent evaluation. Smoking-related young pneumothorax cases were defined as cases with characteristic HRCT findings and smoking habit. RESULTS The mean ages for the residual primary spontaneous pneumothorax and smoking-related young pneumothorax groups were 25.9 ± 13.1 and 30.5 ± 6.9 years, respectively. The groups included 186 (88.2%) and 41 (100.0%) men, and the mean body mass indices were 19.1 ± 2.2 and 20.0 ± 1.9, respectively. Fifty-nine (28.0%) and 41 (100.0%) subjects were smokers, and there were 43 (20.4%) and 1 (2.4%) cases of postoperative recurrence, respectively. These results were significantly different between the two groups. CONCLUSIONS Individuals with smoking-related young pneumothorax were older, predominantly men, and had higher body mass index and significantly lower postoperative recurrence rates than those with residual primary spontaneous pneumothorax.
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Yamanaka S, Kurihara M, Watanabe K. A novel dual-covering method in video-assisted thoracic surgery for pediatric primary spontaneous pneumothorax. Surg Today 2019; 49:587-592. [PMID: 30955098 DOI: 10.1007/s00595-019-01785-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 01/12/2019] [Indexed: 11/25/2022]
Abstract
BACKGROUND Primary spontaneous pneumothorax (PSP) generally occurs in young adults, whereas pediatric PSP is uncommon. It is difficult to source reliable data on pediatric PSP, the management of which is based on guidelines for adult PSP; however, the rate of recurrence after video-assisted thoracoscopic surgery (VATS) for pediatric PSP is reported to be higher. METHODS We reviewed retrospectively a collective total of 66 surgical cases of a first pneumothorax episode in 46 children under 16 years of age, who were treated at our hospital between February, 2005 and November, 2017. RESULTS The surgical cases were divided into two groups, depending on how the treated lesions were covered. In the dual-covering (DC) group, the PSP was covered by oxidized regenerated cellulose and polyglycolic acid (8 patients; 13 cases) and in the single-covering (SC) group, the PSP was covered by oxidized regenerated cellulose (38 patients; 53 cases). There was no incidence of recurrence after surgery in the DC group, but 17 cases (32.1%) of recurrence after surgery in the SC group. This difference was significant. CONCLUSION The DC method prevented the recurrence of PSP more effectively than the SC method after VATS in pediatric patients. Long-term follow-up after VATS for pediatric PSP is also important because of the risk of delayed recurrence.
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Affiliation(s)
- Sumitaka Yamanaka
- Department of Thoracic Surgery, Ebara Hospital, 4-5-10 Higashi-yukigaya, Ota-ku, Tokyo, 145-0065, Japan.,Pneumothorax Research Center, Nissan Tamagawa Hospital, 4-8-1, Seta, Setagaya-ku, Tokyo, 158-0095, Japan
| | - Masatoshi Kurihara
- Pneumothorax Research Center, Nissan Tamagawa Hospital, 4-8-1, Seta, Setagaya-ku, Tokyo, 158-0095, Japan.
| | - Kenichi Watanabe
- Pneumothorax Research Center, Nissan Tamagawa Hospital, 4-8-1, Seta, Setagaya-ku, Tokyo, 158-0095, Japan
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46
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Kim IH, Kang DK, Min HK, Hwang YH. A Prospective Randomized Trial Comparing Manual Needle Aspiration to Closed Thoracostomy as an Initial Treatment for the First Episode of Primary Spontaneous Pneumothorax. Korean J Thorac Cardiovasc Surg 2019; 52:85-90. [PMID: 31089445 PMCID: PMC6493257 DOI: 10.5090/kjtcs.2019.52.2.85] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/07/2018] [Accepted: 11/12/2018] [Indexed: 12/27/2022]
Abstract
Background Variation exists in the initial treatment for the first episode of primary spontaneous pneumothorax (PSP), and no definitive consensus exists due to a lack of high-quality evidence. This study examined the outcomes of needle aspiration and closed thoracostomy in first episodes of PSP requiring intervention. Methods This study was a randomized, prospective, single-center trial conducted between December 2015 and August 2016. Patients of all ages with a documented first episode of PSP who were unilaterally affected, hemodynamically stable, and had a pneumothorax measuring over 25% in size were included. Patients with underlying lung disease, severe comorbidities, bilateral pneumothorax, tension pneumothorax, recurrent pneumothorax, traumatic pneumothorax, and pregnancy were excluded. Patients were randomly assigned to the needle aspiration or closed thoracostomy group using a random number table. Results Forty patients with a first episode of PSP were recruited, and 21 and 19 patients were included in the needle aspiration group and the closed thoracostomy group, respectively. The hospital stay of each group was 2.1±1.8 days and 5.4±3.6 days, respectively (p<0.01). However, no significant differences were found in the success rate of initial treatment or the 1-month and 1-year recurrence rates. Conclusion Needle aspiration is a favorable initial treatment in patients experiencing a first episode of PSP.
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Affiliation(s)
- In Ha Kim
- Department of Thoracic and Cardiovascular Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Do Kyun Kang
- Department of Thoracic and Cardiovascular Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Ho-Ki Min
- Department of Thoracic and Cardiovascular Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Youn-Ho Hwang
- Department of Thoracic and Cardiovascular Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
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Abstract
Background: The prevalence of primary spontaneous pneumothorax is high in the Arab region. There is a lack of studies from the Eastern Province of Saudi Arabia highlighting the associated risk factors and demonstrating the effectiveness of surgical management. Objectives: To identify risk factors associated with primary spontaneous pneumothorax and to correlate the effectiveness of surgical management with the rate of disease recurrence. Subjects and Methods: This retrospective chart review included adult patients who presented with primary spontaneous pneumothorax and were managed at King Fahd Hospital of the University, Al-Khobar, Saudi Arabia, from January 1, 2005, to December 31, 2014. The results are presented as arithmetic mean for quantitative data, and chi-square test was used for statistical analysis. P ≤0.05 was considered statistically significant. Results: In total, 151 patients with primary spontaneous pneumothorax were included, with the majority being male (98.7%) and Saudis (88.7%). The mean age was 24 ± 6 years (range: 13–49 years), mean height 171 ± 8 cm (range: 144–193 cm) and mean body mass index 19.2 ± 3.8 kg/m2 (range: 13.3–39.0 kg/m2). About 62% of the patients were smokers. Ten patients had an ipsilateral recurrence of primary spontaneous pneumothorax after the first episode was successfully managed. Surgical exploration after the first episode itself was found to significantly reduce the recurrence rate. The study found that in the management of these patients, there was a shift from conventional open thoracotomy to the minimally invasive video-assisted thoracoscopic surgery method. Conclusions: The risk factors for primary spontaneous pneumothorax in this study were consistent with the current literature. Surgical exploration after the first episode of primary spontaneous pneumothorax significantly reduces the recurrence rate and there is a paradigm shift toward a less invasive surgical approach in managing these patients.
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Affiliation(s)
- Yasser Mahir Aljehani
- Division of Thoracic Surgery, Department of Surgery, College of Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Feras Mohammed Almajid
- Division of Thoracic Surgery, Department of Surgery, College of Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Rabia C Niaz
- Division of Thoracic Surgery, Department of Surgery, College of Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Yasser Farag Elghoneimy
- Division of Thoracic Surgery, Department of Surgery, College of Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
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Thakkar K, Ajayan N, Unnikrishnan P, Sethuraman M, Hrishi AP. A Mysterious Case of Spontaneous Cervical Epidural Hematoma and Bilateral Primary Spontaneous Pneumothorax Caused by a Rare Etiology. Indian J Crit Care Med 2019; 23:51-53. [PMID: 31065210 PMCID: PMC6481266 DOI: 10.5005/jp-journals-10071-23113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Spontaneous spinal epidural hematoma (SSEH) is a rare disorder that can present as an acute onset of pain and radicular symptoms that mimic disc herniation. Primary spontaneous pneumothorax (PSP) can be defined as the presence of air in the pleural space without apparent underlying lung disease or trauma. We describe a rare case of SSEH in the cervical spine (C5–7) presenting with a novel association, a bilateral PSP, which has never been documented before. Both SSEH and spontaneous pneumothorax, though rare, can be associated with vasculopathy and our patient had signs of vasculopathy of intracranial vessels and pulmonary vasculature. Vasculopathy also needs to be considered while evaluating a case of PSP without emphysema-like changes (ELC) and if diagnosed as the cause, pleurodesis could be considered as a part of the management to avoid the sequel of recurrent pneumothorax and prolonged ICU stay in this subset of patients.
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Affiliation(s)
- Keta Thakkar
- Neuroanaesthesia Division, Department of Anaesthesiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India
| | - Neeraja Ajayan
- Neuroanaesthesia Division, Department of Anaesthesiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India
| | - P Unnikrishnan
- Neuroanaesthesia Division, Department of Anaesthesiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India
| | - Manikandan Sethuraman
- Neuroanaesthesia Division, Department of Anaesthesiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India
| | - Ajay P Hrishi
- Neuroanaesthesia Division, Department of Anaesthesiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India
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Caterino U, Di Natale D, Amore D, Scaramuzzi R, Cicalese M, Imitazione P, Palma A, Curcio C. Elective surgery treatment in patient living in rural area with history of recurrent primary spontaneous pneumothorax: A procedure to avoid in absence of pneumothorax. A case report. Int J Surg Case Rep 2018; 53:483-5. [PMID: 30567075 DOI: 10.1016/j.ijscr.2018.11.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 11/20/2018] [Accepted: 11/21/2018] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Pneumothorax is defined as accumulation of air in the pleural space with secondary lung collapse resulting in dyspnea or chest pain. Currently the optimal management of spontaneous pneumothorax has been standardized, but the question of elective surgery treatment remains unresolved in patients living in rural area with history of recurrent Primary spontaneous pneumothorax [PSP]. PRESENTATION OF CASE A 41 years-old white man living in rural area, with a history of recurrent right spontaneous pneumothorax (three subsequent episodes) treated by positioning of chest tube, was admitted to our unit. No respiratory symptoms and normal physical exam were observed on admission although anxiety states was noted. Chest CT scan showed small apical bullae in the right upper lobe without cystic change in the pulmonary parenchyma. DISCUSSION Recurrence of primary spontaneous pneumothorax represents a complication most frequently occurring within the first year. Among the treatment options, surgical management is needed in 25-50% of all patients suffering from PSP, due to persistent air leak or recurrence. We report the operative complications after elective surgery in a white man living in rural area with a history of recurrent right primary spontaneous pneumothorax. CONCLUSION This case report highlights that elective surgery in patients living in rural area with history of recurrence PSP can lead to post-operative complications as bleeding or prolonged air leaks following the lysis of multiple pleural adhesions.
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Schnell J, Beer M, Eggeling S, Gesierich W, Gottlieb J, Herth FJF, Hofmann HS, Jany B, Kreuter M, Ley-Zaporozhan J, Scheubel R, Walles T, Wiesemann S, Worth H, Stoelben E. Management of Spontaneous Pneumothorax and Post-Interventional Pneumothorax: German S3 Guideline. Respiration 2018; 97:370-402. [PMID: 30041191 DOI: 10.1159/000490179] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 05/18/2018] [Indexed: 11/19/2022] Open
Abstract
In Germany, 10,000 cases of spontaneous pneumothorax are treated inpatient every year. The German Society for Thoracic Surgery, in co-operation with the German Society for Pulmonology, the German Radiological Society, and the German Society of Internal Medicine has developed an S3 guideline on spontaneous pneumothorax and post-interventional pneumothorax moderated by the German Association of Scientific Medical Societies. METHOD Based on the source guideline of the British Thoracic Society (2010) for spontaneous pneumothorax, a literature search on spontaneous pneumothorax was carried out from 2008 onwards, for post-interventional pneumothorax from 1960 onwards. Evidence levels according to the Oxford Center for Evidence-Based Medicine (2011) were assigned to the relevant studies found. Recommendations according to grade (A: "we recommend"/"we do not recommend," B: "we suggest"/"we do not suggest") were determined in 3 consensus conferences by the nominal group process. RESULTS The algorithms for primary and secondary pneumothorax differ in the indication for CT scan as well as in the indication for chest drainage application and video-assisted thoracic surgery. Indication for surgery is recommended individually taking into account the risk of recurrence, life circumstances, patient preferences, and procedure risks. For some forms of secondary pneumothorax, a reserved indication for surgery is recommended. Therapy of post-interventional spontaneous pneumothorax is similar to that of primary spontaneous pneumothorax. DISCUSSION The recommendations of the S3 Guideline provide assistance in managing spontaneous pneumothorax and post-interventional pneumothorax. Whether this will affect existing deviant diagnostic and therapeutic measures will be demonstrated by future epidemiological studies.
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Affiliation(s)
- Jost Schnell
- Lungenklinik Köln-Merheim, Lehrstuhl Thoraxchirurgie der Universität Witten-Herdecke, Witten-Herdecke, Germany,
| | - Meinrad Beer
- Klinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Ulm, Ulm, Germany
| | - Stephan Eggeling
- Klinik für Thoraxchirurgie, Vivantes Klinikum Neukölln, Berlin, Germany
| | - Wolfgang Gesierich
- Klinik für Pneumologie, Asklepios-Fachkliniken München Gauting, München Gauting, Germany
| | - Jens Gottlieb
- Klinik für Pneumologie, Medizinische Hochschule Hannover, Hannover, Germany
| | - Felix J F Herth
- Abteilung für Pneumologie und Beatmungsmedizin, Thoraxklinik Universitätsklinikum Heidelberg, Heidelberg, Germany
| | - Hans-Stefan Hofmann
- Abteilung für Thoraxchirurgie, Universitätsklinikum Regensburg, Regensburg, Germany
| | - Berthold Jany
- Medizinische Klinik - Schwerpunkt Pneumologie und Beatmungsmedizin, KWM Missioklinik, Würzburg, Germany
| | - Michael Kreuter
- Klinik und Poliklinik für Radiologie, Klinikum der Ludwig-Maximilans-Universität München, München, Germany
| | - Julia Ley-Zaporozhan
- Abteilung für Pneumologie und Beatmungsmedizin, Thoraxklinik Universitätsklinikum Heidelberg, Heidelberg, Germany
| | - Robert Scheubel
- Klinik für Thoraxchirurgie, Fachkliniken Wangen, Wangen, Germany
| | - Thorsten Walles
- Abteilung Thoraxchirurgie, Universitätsklinik für Herz- und Thoraxchirurgie Magdeburg, Magdeburg, Germany
| | - Sebastian Wiesemann
- Klinik für Thoraxchirurgie, Universitätsklinikum Freiburg, Freiburg, Germany
| | - Heinrich Worth
- Pneumologische und kardiologische Praxis Fürth, Fürth, Germany
| | - Erich Stoelben
- Lungenklinik Köln-Merheim, Lehrstuhl Thoraxchirurgie der Universität Witten-Herdecke, Witten-Herdecke, Germany
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