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Huang J, Lin J, Zheng Z, Liu Y, Lian Q, Zang Q, Huang S, Guo J, Ju C, Zhong C, Li S. Risk factors and prognosis of airway complications in lung transplant recipients: A systematic review and meta-analysis. J Heart Lung Transplant 2023; 42:1251-1260. [PMID: 37088339 DOI: 10.1016/j.healun.2023.04.011] [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: 11/28/2022] [Revised: 03/22/2023] [Accepted: 04/13/2023] [Indexed: 04/25/2023] Open
Abstract
BACKGROUND Airway complications (AC) are one of leading causes of morbidity and mortality after lung transplant (LTx), but their predictors and outcomes remain controversial. This study aimed to identify potential risk factors and prognosis of AC. METHODS A systematic review was performed by searching PubMed, Embase, and Cochrane Library. All observational studies reporting outcome and potential factors of AC after LTx were included. The incidence, mortality, and estimated effect of each factor for AC were pooled by using the fixed-effects model or random-effects model. RESULTS Thirty-eight eligible studies with 52,116 patients undergoing LTx were included for meta-analysis. The pooled incidence of AC was 12.4% (95% confidence interval [CI] 9.5-15.8) and the mean time of occurrence was 95.6 days. AC-related mortality rates at 30-days, 90-days, 6 months, 1 year, and 5 years were 6.7%, 17.9%, 18.2%, 23.6%, and 66.0%, respectively. Airway dehiscence was the most severe type with a high mortality at 30 days (60.9%, 95% CI 20.6-95.2). We found that AC was associated with a higher risk of mortality in LTx recipients (hazard ratio [HR] 1.71, 95% CI 1.04-2.81). Eleven significant predictors for AC were also identified, including male donor, male recipient, diagnosis of COPD, hospitalization, early rejection, postoperative infection, extracorporeal membrane oxygenation, mechanical ventilation, telescopic anastomosis, and bilateral and right-sided LTx. CONCLUSION AC was significantly associated with higher mortality after LTx, especially for dehiscence. Targeted prophylaxis for modifiable factors and enhanced early bronchoscopy surveillance after LTx may improve the disease burden of AC.
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Affiliation(s)
- Junfeng Huang
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jinsheng Lin
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Ziwen Zheng
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Respiratory and Critical Care Medicine, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Yuheng Liu
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Respiratory and Critical Care Medicine, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Qiaoyan Lian
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Qing Zang
- Department of Respiratory and Critical Care Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Song Huang
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jiaming Guo
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; Department of Respiratory and Critical Care Medicine, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Chunrong Ju
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.
| | - Changhao Zhong
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.
| | - Shiyue Li
- Department of Respiratory and Critical Care Medicine, Guangzhou Institute of Respiratory Health, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China.
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Gottlieb J, Fuehner T, Zardo P. Management and outcome of obstructive airway complications after lung transplantation - a 12-year retrospective cohort study. Ther Adv Respir Dis 2023; 17:17534666231181541. [PMID: 37526226 PMCID: PMC10395170 DOI: 10.1177/17534666231181541] [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: 03/06/2023] [Accepted: 05/26/2023] [Indexed: 08/02/2023] Open
Abstract
BACKGROUND Obstructive airway complications (OACs) represent a significant problem after lung transplantation (LTx). Bilateral OACs after double lung transplantation are infrequently reported. OBJECTIVES The aim of this study was to investigate management and outcome of OAC. DESIGN Retrospective single-center cohort study. METHODS Adult patients with bilateral LTx performed between 2010 and 2021 were included. Patients with follow-ups of less than 3 months and after heart-lung transplantation were excluded. OAC was defined either as the need for stenting, surgical revision, or balloon dilatation. Outcome parameters included graft survival, graft function, quality of life, and management. RESULTS During the study period, 1,170 patients were included. Hundred thirty-five (11.5%) patients developed OAC. Forty-six (4.4%) patients had significant bilateral OAC. Thirty-seven (80%) bilateral OAC patients were treated by stent insertion; in 34 patients, biodegradable stents were used. The median number of bronchoscopies in bilateral OAC was 26 during the first postoperative year compared with nine in controls (p < 0.001). Fourteen OAC patients (n = 10 bilateral) underwent surgical revision including six re-do transplantations. Graft loss occurred significantly more frequently in patients with bilateral OAC with a graft survival of 63% and 50% in these after 3 and 5 years compared with 83% and 73% in controls without OAC (p < 0.001). Baseline forced expiratory volume in 1 s (FEV1) in patients with bilateral OAC was median 58% predicted in comparison with 90% in controls (p < 0.001). Quality of life was significantly reduced. CONCLUSION Bilateral OACs impose a high burden of disease on patients after lung transplantation and were associated with early and late graft loss. Affected patients' OAC demonstrated reduced graft function and impaired quality of life. Most OACs were managed by bronchoscopy preferably by non-permanent stenting. Surgery including re-do transplantation was used in selected cases.
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Affiliation(s)
- Jens Gottlieb
- Department of Respiratory Medicine and Infectious Diseases OE 6870, Hannover Medical School (Medizinische Hochschule Hannover, MHH), Carl Neuberg Strasse 1, 30625 Hannover, Germany. German Center for Lung Research (DZL), Gießen, Germany
| | - Thomas Fuehner
- Department of Respiratory Medicine, Siloah Hospital, Hannover, Germany
| | - Patrick Zardo
- Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany
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Crespo MM. Airway complications in lung transplantation. J Thorac Dis 2021; 13:6717-6724. [PMID: 34992847 PMCID: PMC8662498 DOI: 10.21037/jtd-20-2696] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 07/13/2021] [Indexed: 12/03/2022]
Abstract
Airway complications (ACs) after lung transplantation remain an important source of morbidity and mortality despite significant advances in the surgical technics, leading to increased cost, and decrease quality of life. The incidences of ACs after lung transplantation range from 2% to 33%, even though most transplant centers have reported rates in the range of 7% to 8%. However, the reported rate of ACs has been inconsistent as a result of a lack of standardized airway definitions and grading protocols before the recent 2018 International Society for Heart and Lung Transplantation (ISHLT) proposed consensus guidelines on ACs after lung transplantation. The ACs include stenosis, perioperative and postoperative bronchial infections, bronchial necrosis and dehiscence, excess granulation tissue, and tracheobronchomalacia (TBM). Anastomosis infection, necrosis, or dehiscence typically develops within the first month after lung transplantation. The most frequent AC after lung transplantation is bronchial stenosis. Several risk factors have been proposed to the development of ACs after lung transplantation, including surgical anastomosis techniques, hypoperfusion, infections, donor and recipient factors, immunosuppression agents, and organ preservation. ACs might be prevented by early recognition of the airway pathology, using advance medical management, and interventional bronchoscopy procedures. Balloon bronchoplasty, cryotherapy, laser photo resection, electrocautery, high-dose endobronchial brachytherapy, and bronchial stents placement are the most frequent interventional bronchoscopic procedures utilized for the management of ACs.
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Affiliation(s)
- Maria M Crespo
- Pulmonary, Allergy and Critical Care Division, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
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Dunlap DG, Ma KC, DiBardino D. Airway Complications and Endoscopic Management After Lung Transplantation. CURRENT PULMONOLOGY REPORTS 2020. [DOI: 10.1007/s13665-020-00260-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Crespo MM, McCarthy DP, Hopkins PM, Clark SC, Budev M, Bermudez CA, Benden C, Eghtesady P, Lease ED, Leard L, D'Cunha J, Wigfield CH, Cypel M, Diamond JM, Yun JJ, Yarmus L, Machuzak M, Klepetko W, Verleden G, Hoetzenecker K, Dellgren G, Mulligan M. ISHLT Consensus Statement on adult and pediatric airway complications after lung transplantation: Definitions, grading system, and therapeutics. J Heart Lung Transplant 2018; 37:548-563. [PMID: 29550149 DOI: 10.1016/j.healun.2018.01.1309] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 01/31/2018] [Indexed: 11/18/2022] Open
Abstract
Airway complications remain a major cause of morbidity and mortality after cardiothoracic transplantation. The reported incidence of airway ischemic complications varies widely, contributed to by the lack of a universally accepted grading system and standardized definitions. Furthermore, the majority of the existing classification systems fail to integrate the wide range of possible bronchial complications that may develop after lung transplant. Hence, a Working Group was created by the International Society for Heart and Lung Transplantation with the aim of elaborating a universal definition of adult and pediatric airway complications and grading system. One such area of focus is to understand the problem in the context of a more standardized consensus of classifying airway ischemia. This consensus definition will have major clinical, therapeutics, and research implications.
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Affiliation(s)
- Maria M Crespo
- Division of Pulmonary, Allergy and Critical Care Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania.
| | - Daniel P McCarthy
- Division of Cardiothoracic Surgery, University of Wisconsin School of Medicine, Madison, Wisconsin
| | | | | | - Marie Budev
- Respiratory Institute, Cleveland Clinic, Cleveland, Ohio
| | - Christian A Bermudez
- Division of Cardiothoracic Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Christian Benden
- Department of Pulmonary Medicine, University Hospital of Zurich, Zurich, Switzerland
| | - Pirooz Eghtesady
- Division of Pediatric Cardiothoracic Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Erika D Lease
- Division of Pulmonary and Critical Care Medicine, University of Washington, Seattle, Washington
| | - Lorriana Leard
- Division of Pulmonary and Critical Care Medicine, University of California, San Francisco Medical Center, San Francisco, California
| | - Jonathan D'Cunha
- Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | | | - Marcelo Cypel
- Division of Thoracic Surgery, Toronto General Hospital UHN, Toronto, Ontario, Canada
| | - Joshua M Diamond
- Division of Pulmonary, Allergy and Critical Care Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - James J Yun
- Division of Cardiothoracic Surgery, Yale University School of Medicine, New Haven, Connecticut
| | - Lonny Yarmus
- Division of Pulmonary and Critical Care, The John Hopkins University Hospital, Baltimore, Maryland
| | | | - Walter Klepetko
- Department of Thoracic Surgery, Vienna Medical University, Vienna, Austria
| | - Geert Verleden
- Department of Respiratory Diseases, University Hospital of Gasthuisberg, Leuven, Belgium
| | | | - Göran Dellgren
- Cardiothoracic Department, Sahlgrenska University Hospital, Göteborg, Sweden
| | - Michael Mulligan
- Division of Cardiothoracic Surgery, University of Washington, Seattle, Washington
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Tong L, Zhang K, Huang H, Zhang W, Zhang X, Wang Q, Li Q, Bai C. Comparison of the efficacy of four endobronchial ablation techniques in dogs. Exp Ther Med 2017; 13:169-177. [PMID: 28123486 PMCID: PMC5245072 DOI: 10.3892/etm.2016.3946] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 08/23/2016] [Indexed: 12/27/2022] Open
Abstract
The present study aimed to evaluate the safety and efficacy of four commonly used ablation techniques, namely neodymium-doped yttrium aluminium garnet (Nd:YAG) laser therapy, argon plasma coagulation (APC), high-frequency electrocautery and CO2 cryotherapy. The techniques were performed at various powers or impedance settings, and for various durations, on the trachea of beagle dogs. Pathological changes of the tracheal wall were assessed by bronchoscopy. The endoscopic gross appearance of lesions induced by ablation treatments was consistent with the histopathological changes. The results suggested that cryotherapy was relatively safe, whereas APC induced superficial tissue coagulative necrosis. Furthermore, Nd:YAG laser therapy was the most efficient technique and showed the greatest penetration potential. In general, tissue injury was exacerbated with extended application time, at constant power or impedance. The safest application parameters were 20 W for ≤1 sec for Nd:YAG laser therapy, 40 W for ≤3 sec for electrocautery, 40 W for ≤5 sec for APC and 100 Ω for ≤120 sec for cryotherapy. At the maximum times, these settings resulted in identical pathological changes. Healing of the lesions following ablation was achieved within 3 weeks. The Nd:YAG laser, APC, electrocautery and cryotherapy endobronchial ablation techniques differed according to their potential and limitations for application on the trachea. However, when applied at specific combinations of power or impedance and duration, they exhibited similar efficacies.
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Affiliation(s)
- Linrong Tong
- Department of Respiratory Medicine, Xiamen 174 Hospital, Xiamen, Fujian 361000, P.R. China
- Department of Respiratory Medicine, Changhai Hospital, Shanghai 200433, P.R. China
| | - Koudong Zhang
- Department of Respiratory Medicine, Yancheng City First People's Hospital, Yancheng, Jiangsu 224000, P.R. China
| | - Haidong Huang
- Department of Respiratory Medicine, Changhai Hospital, Shanghai 200433, P.R. China
| | - Wei Zhang
- Department of Respiratory Medicine, Changhai Hospital, Shanghai 200433, P.R. China
| | - Xingxing Zhang
- Department of Respiratory Medicine, Changhai Hospital, Shanghai 200433, P.R. China
| | - Qin Wang
- Department of Respiratory Medicine, Changhai Hospital, Shanghai 200433, P.R. China
| | - Qiang Li
- Department of Respiratory Medicine, Changhai Hospital, Shanghai 200433, P.R. China
| | - Chong Bai
- Department of Respiratory Medicine, Changhai Hospital, Shanghai 200433, P.R. China
- Correspondence to: Dr Chong Bai, Department of Respiratory Medicine, Changhai Hospital, 168 Changhai Road, Shanghai 200433, P.R. China, E-mail:
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Fiberoptic bronchoscopic cryo-ablation of central bronchial lung cancer. EGYPTIAN JOURNAL OF CHEST DISEASES AND TUBERCULOSIS 2016. [DOI: 10.1016/j.ejcdt.2015.12.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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