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Okado S, Nakamura S, Sato K, Ueno H, Ito T, Sato K, Okachi S, Uehara Y, Matsumoto M, Shimazaki N, Miyagawa K, Chen-Yoshikawa TF. Endobronchial Closure for Peripheral Pulmonary Air Leakage. Respiration 2024; 103:634-640. [PMID: 39079506 DOI: 10.1159/000540652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 07/25/2024] [Indexed: 08/24/2024] Open
Abstract
INTRODUCTION A minimally invasive alternative to surgery for treating pneumothorax has been developed, aiming to reduce risks while maintaining efficacy. This study conducted basic experiments using ex vivo and in vivo pig lung employing a super-thin catheter for treatment. This new device injects fibrin glue directly into the responsible lesion to close the air leak, which has two features: thin design and double-lumen. METHODS The experimental setup involved utilizing trachea and both lung specimens from pigs under positive pressure ventilation. To simulate pneumothorax, artificial fistulas were created on the lung surfaces. The super-thin catheter, guided through a bronchoscope near the fistula, was used to embolize the peripheral bronchus by injecting a fibrin preparation. Then, an air leak test was conducted afterward to assess the efficacy of the treatment. Additionally, a similar pneumothorax model was induced in alive pig under general anesthesia to evaluate its curability. RESULTS In the extracted pig lungs, embolization was performed in 21 cases, resulting in the cessation of air leaks in 19 cases, corresponding to a 90.5% cure rate. Notably, no major adverse events occurred with the treatment devices. Similarly, in living pigs, pneumothorax was successfully treated, with no recurrence observed up to the seventh postoperative day. CONCLUSION The novel treatment device utilizing a super-thin catheter offers a minimally invasive and highly curative option for pneumothorax. These promising results suggest the potential for further development and human clinical trials, which could revolutionize the treatment of pneumothorax, reducing risks and improving outcomes.
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Affiliation(s)
- Shoji Okado
- Department of Thoracic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shota Nakamura
- Department of Thoracic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Keiyu Sato
- Department of Thoracic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Harushi Ueno
- Department of Thoracic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takayasu Ito
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kazuhide Sato
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
- Institute for Advanced Research (IAR), Nagoya University, Nagoya, Japan
| | - Shotaro Okachi
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yohei Uehara
- Department 5 for Research and Development, Research Institute, Nipro Corporation, Osaka, Japan
| | - Misa Matsumoto
- Department 5 for Research and Development, Research Institute, Nipro Corporation, Osaka, Japan
| | - Natsumi Shimazaki
- Department 5 for Research and Development, Research Institute, Nipro Corporation, Osaka, Japan
| | - Katsuya Miyagawa
- Department 5 for Research and Development, Research Institute, Nipro Corporation, Osaka, Japan
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Taniguchi J, Aso S, Taisuke J, Matsui H, Fushimi K, Yasunaga H. Endobronchial silicone spigot in prolonged air leaks: Nationwide study on outcomes and risk factors for treatment failure. Respir Investig 2024; 62:449-454. [PMID: 38522361 DOI: 10.1016/j.resinv.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/22/2024] [Accepted: 03/07/2024] [Indexed: 03/26/2024]
Abstract
BACKGROUND The endobronchial silicone spigot, also known as the endobronchial Watanabe spigot, is used in bronchoscopic interventions to manage prolonged pulmonary air leakage. However, the outcomes of this procedure have not been thoroughly investigated. METHODS Using a Japanese national inpatient database from April 2014 to March 2022, we assessed the clinical characteristics and outcomes of all eligible patients who received the endobronchial spigot. We also investigated risk factors associated with treatment failure. Treatment failure was defined as in-hospital death or the need for surgery after bronchial occlusion. RESULTS We analyzed data of 1095 patients who underwent bronchial occlusion using the endobronchial spigot. Among them, 252 patients (23.0%) died during hospitalization, and 403 patients (36.8%) experienced treatment failure. Factors associated with treatment failure included age between 85 and 94 years (odds ratio [OR] 1.83; 95% confidence intervals [CI], 1.04-3.21); male sex (OR 2.43; 95% CI, 1.44-4.11); low Barthel index score; comorbidities of interstitial pneumonia (OR 1.71; 95% CI, 1.18-2.48); antibiotics treatment (OR 1.45; 95% CI, 1.02-2.07); steroids treatment (OR 1.59; 95% CI, 1.07-2.36); and surgery prior to bronchial occlusion (OR 2.08; 95% CI, 1.29-3.35). In contrast, pleurodesis after bronchial occlusion (OR 0.49; 95% CI, 0.32-0.75), and admission to high-volume hospitals were inversely associated with treatment failure (OR 0.58; 95% CI, 0.37-0.90). CONCLUSIONS The endobronchial Watanabe spigot could be a nonsurgical treatment option for patients with prolonged pulmonary air leaks. Our findings will help identify patients who may benefit from such bronchial interventions.
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Affiliation(s)
- Jumpei Taniguchi
- Department of Clinical Epidemiology and Health Economics School of Public Health, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
| | - Shotaro Aso
- Department of Real World Evidence, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Jo Taisuke
- Department of Clinical Epidemiology and Health Economics School of Public Health, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Hiroki Matsui
- Department of Clinical Epidemiology and Health Economics School of Public Health, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Kiyohide Fushimi
- Department of Health Policy and Informatics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Hideo Yasunaga
- Department of Clinical Epidemiology and Health Economics School of Public Health, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
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Kitamura N, Takahashi T, Kawamukai J, Shinno H, Tsuchiya T. Thoracoscopic Direct Suture Closure for a Large Bulla With Severe Adhesion Under Local Anesthesia: A Case Report. Cureus 2024; 16:e54718. [PMID: 38523949 PMCID: PMC10960731 DOI: 10.7759/cureus.54718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2024] [Indexed: 03/26/2024] Open
Abstract
Although the usefulness of thoracoscopic surgery under local anesthesia for pneumothorax has been reported, there are some cases of failure. Therefore, it is important to share the various techniques and potential challenges associated with procedures performed under local anesthesia. A 79-year-old male, under monitoring for a left chronic pneumothorax, was newly diagnosed with a right pneumothorax. Chest computed tomography taken after thoracic drainage showed a poorly expanded right lung with severe adhesions and multiple bullae in the right lung, in addition to identifying a left pneumothorax. Although significant air leakage persisted, general anesthesia was deemed unsuitable, necessitating thoracoscopic surgery under local anesthesia. A fistula of approximately 1 × 1 cm was identified on the bulla wall, which was closed with 4-0 Prolene®sutures (Johnson&Johnson, New Jersey, United States), each reinforced with pledgets and covered with a polyglycolic acid sheet and fibrin glue. The patient was discharged on postoperative day six and no recurrence of pneumothorax was noted after discharge. Direct suture closure of the bulla wall under local anesthesia can be an alternative technique for the treatment of pneumothorax caused by large bulla collapse in patients at high risk for general anesthesia.
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Affiliation(s)
- Naoya Kitamura
- Thoracic Surgery, Toyama University Hospital, Toyama, JPN
| | - Tomohiko Takahashi
- General Thoracic Surgery, Toyama Prefectural Central Hospital, Toyama, JPN
| | - Jun Kawamukai
- General Thoracic Surgery, Toyama Prefectural Central Hospital, Toyama, JPN
| | - Hideki Shinno
- General Thoracic Surgery, Toyama Prefectural Central Hospital, Toyama, JPN
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Wu HM, Wen YL, He XY, Deng ZP. Selective bronchial occlusion for the prevention of pneumothorax after transbronchial lung cryobiopsy in a pulmonary alveolar proteinosis patient: a case report. Front Med (Lausanne) 2023; 10:1265373. [PMID: 38162886 PMCID: PMC10756706 DOI: 10.3389/fmed.2023.1265373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 11/07/2023] [Indexed: 01/03/2024] Open
Abstract
The diagnosis of pulmonary alveolar proteinosis (PAP) is based on biopsies. Compared with other methods of taking biopsies, transbronchial lung cryobiopsy (TBLC) has a higher diagnostic rate and the likelihood of pneumothorax. Selective bronchial occlusion (SBO) is an effective technique for treating intractable pneumothorax. However, there are no data available about SBO for the prevention of pneumothorax after TBLC in a PAP patient. A 49-year-old man complained of recurrent cough and tachypnea, and his symptoms did not fully resolve until the diagnosis was confirmed, and he was treated with whole lung lavage. Our patient was ultimately diagnosed with PAP by TBLC but not multiple tests for the bronchoalveolar lavage fluid (BALF). The patient was discharged quickly after whole lung lavage due to the fact that he did not develop pneumothorax under SBO. This case illustrates that TBLC is a supplementary examination for PAP, especially for those in whom BALF results fail to confirm a diagnosis. Moreover, our report highlights that SBO is necessary to effectively prevent pneumothorax during and after multiple TBLCs in PAP patients.
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Affiliation(s)
| | | | | | - Zhi-Ping Deng
- Department of Respiratory and Critical Care Medicine, Zigong First People’s Hospital, Zigong, Sichuan, China
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Adachi M, Matsumoto Y, Furuse H, Uchimura K, Imabayashi T, Yotsukura M, Yoshida Y, Nakagawa K, Igaki H, Watanabe SI, Tsuchida T. Utility of the endobronchial Watanabe spigot for intractable cancer-related pneumothorax: a retrospective observational study. Jpn J Clin Oncol 2023; 53:829-836. [PMID: 37340759 PMCID: PMC10473273 DOI: 10.1093/jjco/hyad060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/25/2023] [Indexed: 06/22/2023] Open
Abstract
BACKGROUND The use of endobronchial Watanabe spigots for intractable secondary pneumothorax in patients with cancer has not been adequate. This study aimed to investigate the use of endobronchial Watanabe spigots for intractable pneumothorax in patients with malignant tumors. METHODS Consecutive patients with malignant tumors who underwent occlusion with an endobronchial Watanabe spigot for intractable pneumothorax associated with perioperative treatment or drug therapy at our institution between January 2014 and February 2022 were reviewed. RESULTS Of the 32 cases in which an endobronchial Watanabe spigot was used, six were excluded; we thus evaluated 26 cases in which the chest tube was removed. Chest tubes were removed in 19 cases (73.1%) and could not be removed and required surgical treatment under general anesthesia in seven patients (26.9%), of which four (14.8%) underwent open-window thoracostomy. Half of the patients were treated with both an endobronchial Watanabe spigot and pleurodesis. Although thin-slice chest computed tomography revealed a fistula in 15 patients, the chest tube was removed in 11 (57.9%) patients. A significant difference was only observed in patients with a history of heavy smoking. CONCLUSIONS The chest tube removal rate was comparable to those reported in previous studies. An endobronchial Watanabe spigot may be a useful treatment option for intractable cancer-related pneumothorax.
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Affiliation(s)
- Masahiro Adachi
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
- Department of Thoracic Surgery, National Cancer Center Hospital, Tokyo, Japan
- Department of Comprehensive Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yuji Matsumoto
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
- Department of Thoracic Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Hideaki Furuse
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Keigo Uchimura
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Tatsuya Imabayashi
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
| | - Masaya Yotsukura
- Department of Thoracic Surgery, National Cancer Center Hospital, Tokyo, Japan
| | - Yukihiro Yoshida
- Department of Thoracic Surgery, National Cancer Center Hospital, Tokyo, Japan
| | - Kazuo Nakagawa
- Department of Thoracic Surgery, National Cancer Center Hospital, Tokyo, Japan
| | - Hiroshi Igaki
- Department of Comprehensive Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
- Department of Radiation Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Shun-ichi Watanabe
- Department of Thoracic Surgery, National Cancer Center Hospital, Tokyo, Japan
| | - Takaaki Tsuchida
- Department of Endoscopy, Respiratory Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
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Tsukamoto S, Nagata K, Tomii K. Management of alveolar-pleural fistula secondary to invasive pulmonary aspergillosis with bronchial occlusion using a combination of Endobronchial Watanabe Spigot and N-butyl-2-cyanoacrylate: A case report. Respirol Case Rep 2023; 11:e01163. [PMID: 37206158 PMCID: PMC10188900 DOI: 10.1002/rcr2.1163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 05/06/2023] [Indexed: 05/21/2023] Open
Abstract
Alveolar-pleural fistulas that do not improve with thoracic drainage can be conservatively treated via endobronchial occlusion and pleurodesis, among other options. However, for inoperable cases, the treatment strategy to be followed, in the event that conventional conservative management fails, is unclear. Herein, we report a case of alveolar-pleural fistula managed by bronchial occlusion using a combination of Endobronchial Watanabe Spigot (EWS) and N-butyl-2-cyanoacrylate (NBCA). A 79-year-old man on prednisolone for interstitial pneumonia with autoimmune features was diagnosed with invasive pulmonary aspergillosis and Aspergillus pyothorax infection. He was administered voriconazole; however, a pneumothorax developed and did not improve with thoracic drainage. Bronchial occlusion with EWS failed due to spigot migration. However, a combination of EWS with NBCA could control the alveolar-pleural fistula. Thus, an EWS and NBCA combination may help prevent EWS migration, providing another option for patients who are unfit for surgery.
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Affiliation(s)
- Shinya Tsukamoto
- Department of Respiratory MedicineKobe City Medical Centre General HospitalKobeJapan
| | - Kazuma Nagata
- Department of Respiratory MedicineKobe City Medical Centre General HospitalKobeJapan
| | - Keisuke Tomii
- Department of Respiratory MedicineKobe City Medical Centre General HospitalKobeJapan
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Development of a novel material to promote wound healing at bronchial defects. Ann Thorac Surg 2022:S0003-4975(22)00934-1. [PMID: 35798283 DOI: 10.1016/j.athoracsur.2022.06.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/12/2022] [Accepted: 06/11/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND Bronchopleural fistula (BPF) is a critical complication that may progress to pneumonia and empyema, but optimal treatment remains uncertain. Our purpose was to develop a novel material for bronchial occlusion that can be used to treat BPF by blocking airflow and promoting wound healing. METHODS Sponges were prepared in concentrations of 25, 40, and 50 mg/dL of silk-elastin by hydrophobic processing. Five adult Beagle dogs underwent right anterior lobectomy, and 5 underwent left posterior lobectomy. Silk-elastin sponges were placed at bronchial stumps of 8 dogs, and silicone plugs were placed at the stumps of 2 dogs as a control. RESULTS Postoperative complications were not observed, except in 1 dog in which the silicone plug had been placed and which had massive subcutaneous emphysema at 4 weeks after operation. Histologic examination revealed that stumps were covered with connective tissue and that there was more regeneration of airway epithelium in the silk-elastin sponge group than in the silicone plug group. There were increased numbers of myofibroblasts around the bronchial stump occluded by silk-elastin sponges at 2 weeks after placement, which completely disappeared after 2 months, during which abundant neovascularization occurred. CONCLUSIONS We showed that silk-elastin sponges can manage and promote regeneration of bronchial epithelium. Our results demonstrate that bronchial occlusion with a silk-elastin sponge is a promising option for treatment of BPF.
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Aliaga F, Grosu HB, Vial MR. Overview of Bronchopleural Fistula Management, with a Focus on Bronchoscopic Treatment. CURRENT PULMONOLOGY REPORTS 2022. [DOI: 10.1007/s13665-022-00289-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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