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Ademhan Tural D, Kasikci M, Eryilmaz Polat S, Ozsezen B, Hizal M, Sunman B, Nayir Büyüksahin H, Guzelkas I, Altay O, Dolgun TY, Emiralioglu N, Yalcin E, Dogru D, Kiper N, Hascelik G, Diker KS, Ozcelik U. The airway microbiota in siblings with primary ciliary dyskinesia: Related factors and correlation with clinical characteristics. Pediatr Pulmonol 2024; 59:695-706. [PMID: 38088243 DOI: 10.1002/ppul.26816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 10/22/2023] [Accepted: 12/03/2023] [Indexed: 02/16/2024]
Abstract
OBJECTIVES-AIM We aimed to show the composition and structure of and explore affecting factors on airway microbiota in primary ciliary dyskinesia (PCD) patients using culture-independent techniques. METHOD A cross-sectional observational study was performed. We recruited 14 PCD patients (seven pairs of siblings) and nine parents. Bacterial rDNA was extracted from sputum and nasal samples. Sputum samples were also inoculated on suitable bacteriological media. RESULTS Thirty-three separate genera were detected in sputum samples of PCD patients, and 41 were in nasal samples of parents. The detected genera were dominated by phyla Proteobacteria in PCD patients and their parents. Culture-dependent analyses could not detect many of the bacterial species detected with culture-independent analyses. There were no significant differences in alpha diversity between the siblings' pairs, and siblings' samples did not cluster together nearly as strongly as nonsiblings' samples. Patients who had no new complaints and no bacterial growth with the culture-dependent method at the time of study and patients who had no Haemophilus influenzae growth in the previous year had a significantly greater diversity (p < .05). Microbiota communities tended to cluster together by age, pulmonary exacerbation status, the existence of at least one H. influenzae growth with culture-dependent analyses in the previous year, and forced expiratory volume in 1 sec z and FEF25-75 z-scores. CONCLUSION The airway microbiota of patients with PCD have presented more diverse bacterial communities than had been indicated with culture-dependent methods. The study identifies relationships between bacterial airway microbiota composition and the clinical measures of patients. Sibling pairs have no more community similarities than nonsibling PCD patients. Our results may indicate that the patients' clinical characteristics, which determine the disease severity, might affect the PCD microbiome.
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Affiliation(s)
| | - Merve Kasikci
- Department of Statistics, Hacettepe University, Ankara, Türkiye
| | | | - Beste Ozsezen
- Department of Pediatric Pulmonology, Hacettepe University, Ankara, Türkiye
| | - Mina Hizal
- Department of Pediatric Pulmonology, Hacettepe University, Ankara, Türkiye
| | - Birce Sunman
- Department of Pediatric Pulmonology, Hacettepe University, Ankara, Türkiye
| | | | - Ismail Guzelkas
- Department of Pediatric Pulmonology, Hacettepe University, Ankara, Türkiye
| | - Ozlem Altay
- Department of Protein Science, Science for Life Laboratory, KTH-Royal Institute of Technology, Stockholm, Sweden
| | | | | | - Ebru Yalcin
- Department of Pediatric Pulmonology, Hacettepe University, Ankara, Türkiye
| | - Deniz Dogru
- Department of Pediatric Pulmonology, Hacettepe University, Ankara, Türkiye
| | - Nural Kiper
- Department of Pediatric Pulmonology, Hacettepe University, Ankara, Türkiye
| | - Gulsen Hascelik
- Department of Microbiology, Hacettepe University, Ankara, Türkiye
| | | | - Ugur Ozcelik
- Department of Pediatric Pulmonology, Hacettepe University, Ankara, Türkiye
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2
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Raidt J, Loges NT, Olbrich H, Wallmeier J, Pennekamp P, Omran H. Primary ciliary dyskinesia. Presse Med 2023; 52:104171. [PMID: 37516247 DOI: 10.1016/j.lpm.2023.104171] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 07/24/2023] [Indexed: 07/31/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Primary ciliary dyskinesia (PCD, ORPHA:244) is a group of rare genetic disorders characterized by dysfunction of motile cilia. It is phenotypically and genetically heterogeneous, with more than 50 genes involved. Thanks to genetic, clinical, and functional characterization, immense progress has been made in the understanding and diagnosis of PCD. Nevertheless, it is underdiagnosed due to the heterogeneous phenotype and complexity of diagnosis. This review aims to help clinicians navigate this heterogeneous group of diseases. Here, we describe the broad spectrum of phenotypes associated with PCD and address pitfalls and difficult-to-interpret findings to avoid misinterpretation. METHOD Review of literature CONCLUSION: PCD diagnosis is complex and requires integration of history, clinical picture, imaging, functional and structural analysis of motile cilia and, if available, genetic analysis to make a definitive diagnosis. It is critical that we continue to expand our knowledge of this group of rare disorders to improve the identification of PCD patients and to develop evidence-based therapeutic approaches.
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Affiliation(s)
- Johanna Raidt
- Department of General Pediatrics, University Children's Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Niki Tomas Loges
- Department of General Pediatrics, University Children's Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Heike Olbrich
- Department of General Pediatrics, University Children's Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Julia Wallmeier
- Department of General Pediatrics, University Children's Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Petra Pennekamp
- Department of General Pediatrics, University Children's Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Heymut Omran
- Department of General Pediatrics, University Children's Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany.
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Faruqi MA, Keshavamurthy S, Hillenbrand KD, Anstead M, Nandavaram S. Bilateral Lung Transplantation in Kartagener’s Syndrome and Situs Inversus. Cureus 2023; 15:e35785. [PMID: 37025726 PMCID: PMC10072235 DOI: 10.7759/cureus.35785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2023] [Indexed: 03/07/2023] Open
Abstract
Kartagener's syndrome (KS) is a genetic disorder and a subgroup of primary ciliary dyskinesia characterized by situs inversus, chronic sinusitis and bronchiectasis. Patients with KS can develop severe bronchiectasis with end-stage lung disease due to recurrent pulmonary infections. Lung transplantation is a treatment option with good outcomes reported in the literature. Lung transplantation in such patients can be technically challenging given the dextrocardia, bronchial asymmetry and anatomical variation of major vascular structures due to situs inversus. We present a case of a 45-year-old male with KS complicated by recurrent infections and chronic respiratory failure, who successfully underwent a bilateral sequential lung transplant (BSLTx). Because of repeated infections and severe bronchiectasis, the patient's quality of life was impaired, and he was oxygen dependent. As a definitive treatment, successful lung transplantation led to a reversal of hypoxic respiratory failure and the patient's symptoms markedly improved, reinforcing data in the literature to consider lung transplantation in this patient population.
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4
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Renaud-Picard B, Tissot A, Burgel PR, Grenet D, de Miranda S, Coiffard B. [Lung transplantation for cystic fibrosis and bronchiectasis]. Rev Mal Respir 2023; 40 Suppl 1:e33-e41. [PMID: 36610851 DOI: 10.1016/j.rmr.2022.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- B Renaud-Picard
- Service de pneumologie, groupe de transplantation pulmonaire, hôpitaux universitaires de Strasbourg, Strasbourg, France.
| | - A Tissot
- CHU Nantes, service de pneumologie, institut du Thorax, Nantes, France; Nantes université, Inserm, center for research in transplantation and translational immunology, UMR 1064, 44000 Nantes, France
| | - P R Burgel
- Université Paris Cité, Inserm U1016, Institut Cochin, Paris, France; Pulmonary department, national cystic fibrosis reference centre, Cochin hospital, Assistance publique-Hôpitaux de Paris, Paris, France
| | - D Grenet
- Service de pneumologie, hôpital Foch, Suresnes, France
| | - S de Miranda
- Service de pneumologie, hôpital Foch, Suresnes, France
| | - B Coiffard
- Service de pneumologie, équipe de transplantation pulmonaire, centre hospitalo-universitaire Nord, Assistance publique-Hôpitaux de Marseille, Aix-Marseille université, Marseille, France
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5
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Marro M, Leiva-Juárez MM, D'Ovidio F, Chan J, Van Raemdonck D, Ceulemans LJ, Moreno P, Kindelan AA, Krueger T, Koutsokera A, Ehrsam JP, Inci I, Yazicioglu A, Yekeler E, Boffini M, Brioude G, Thomas PA, Pizanis N, Aigner C, Schiavon M, Rea F, Anile M, Venuta F, Keshavjee S. Lung Transplantation for Primary Ciliary Dyskinesia and Kartagener Syndrome: A Multicenter Study. Transpl Int 2023; 36:10819. [PMID: 36865666 PMCID: PMC9970992 DOI: 10.3389/ti.2023.10819] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 02/02/2023] [Indexed: 02/16/2023]
Abstract
Primary ciliary dyskinesia, with or without situs abnormalities, is a rare lung disease that can lead to an irreversible lung damage that may progress to respiratory failure. Lung transplant can be considered in end-stage disease. This study describes the outcomes of the largest lung transplant population for PCD and for PCD with situs abnormalities, also identified as Kartagener's syndrome. Retrospectively collected data of 36 patients who underwent lung transplantation for PCD from 1995 to 2020 with or without SA as part of the European Society of Thoracic Surgeons Lung Transplantation Working Group on rare diseases. Primary outcomes of interest included survival and freedom from chronic lung allograft dysfunction. Secondary outcomes included primary graft dysfunction within 72 h and the rate of rejection ≥A2 within the first year. Among PCD recipients with and without SA, the mean overall and CLAD-free survival were 5.9 and 5.2 years with no significant differences between groups in terms of time to CLAD (HR: 0.92, 95% CI: 0.27-3.14, p = 0.894) or mortality (HR: 0.45, 95% CI: 0.14-1.43, p = 0.178). Postoperative rates of PGD were comparable between groups; rejection grades ≥A2 on first biopsy or within the first year was more common in patients with SA. This study provides a valuable insight on international practices of lung transplantation in patients with PCD. Lung transplantation is an acceptable treatment option in this population.
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Affiliation(s)
- Matteo Marro
- Division of Cardiac Surgery, University of Turin, Turin, Italy
| | - Miguel M Leiva-Juárez
- Division of Thoracic Surgery, Columbia University Medical Center, New York, NY, United States
| | - Frank D'Ovidio
- Division of Thoracic Surgery, Columbia University Medical Center, New York, NY, United States
| | - Justin Chan
- Toronto Lung Transplant Program, University Health Network, Toronto, ON, Canada
| | - Dirk Van Raemdonck
- Department of Thoracic Surgery, University Hospitals Leuven, Leuven, Belgium
| | | | - Paula Moreno
- Thoracic Surgery and Lung Transplantation Unit, University Hospital Reina Sofia, Cordoba, Spain
| | | | - Thorsten Krueger
- Division of Thoracic Surgery, Lausanne University Hospital, Lausanne, Switzerland
| | - Angela Koutsokera
- Division of Thoracic Surgery, Lausanne University Hospital, Lausanne, Switzerland
| | - Jonas Peter Ehrsam
- Department of Thoracic Surgery, University Hospital Zurich, Zurich, Switzerland
| | - Ilhan Inci
- Department of Thoracic Surgery, University Hospital Zurich, Zurich, Switzerland
| | - Alkin Yazicioglu
- Department of Thoracic Surgery, University of Health Sciences, Ankara, Türkiye
| | - Erdal Yekeler
- Department of Thoracic Surgery, University of Health Sciences, Ankara, Türkiye
| | - Massimo Boffini
- Division of Cardiac Surgery, University of Turin, Turin, Italy
| | - Geoffrey Brioude
- Division of Thoracic Surgery, University of Marseilles, Marseille, France
| | | | - Nikolaus Pizanis
- Department of Thoracic Surgery, University Hospital Essen, Essen, Germany
| | - Clemens Aigner
- Department of Thoracic Surgery, University Hospital Essen, Essen, Germany
| | - Marco Schiavon
- Department of Cardio-Thoracic Surgery, Padua University Hospital, Padua, Italy
| | - Federico Rea
- Department of Cardio-Thoracic Surgery, Padua University Hospital, Padua, Italy
| | - Marco Anile
- Division of Thoracic Surgery, Policlinico Umberto I, Sapienza University, Rome, Italy
| | - Federico Venuta
- Division of Thoracic Surgery, Policlinico Umberto I, Sapienza University, Rome, Italy
| | - Shaf Keshavjee
- Toronto Lung Transplant Program, University Health Network, Toronto, ON, Canada
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6
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Raidt J, Maitre B, Pennekamp P, Altenburg J, Anagnostopoulou P, Armengot M, Bloemsma LD, Boon M, Borrelli M, Brinkmann F, Carr SB, Carroll MP, Castillo-Corullón S, Coste A, Cutrera R, Dehlink E, Destouches DMS, Di Cicco ME, Dixon L, Emiralioglu N, Erdem Eralp E, Haarman EG, Hogg C, Karadag B, Kobbernagel HE, Lorent N, Mall MA, Marthin JK, Martinu V, Narayanan M, Ozcelik U, Peckham D, Pifferi M, Pohunek P, Polverino E, Range S, Ringshausen FC, Robson E, Roehmel J, Rovira-Amigo S, Santamaria F, Schlegtendal A, Szépfalusi Z, Tempels P, Thouvenin G, Ullmann N, Walker WT, Wetzke M, Yiallouros P, Omran H, Nielsen KG. The disease-specific clinical trial network for Primary Ciliary Dyskinesia (PCD-CTN). ERJ Open Res 2022; 8:00139-2022. [PMID: 35983540 PMCID: PMC9379353 DOI: 10.1183/23120541.00139-2022] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/12/2022] [Indexed: 11/12/2022] Open
Abstract
Primary ciliary dyskinesia (PCD) is a rare genetic disorder characterised by impaired mucociliary clearance leading to irreversible lung damage. In contrast to other rare lung diseases like cystic fibrosis (CF), there are only few clinical trials and limited evidence-based treatments. Management is mainly based on expert opinions and treatment is challenging due to a wide range of clinical manifestations and disease severity. To improve clinical and translational research and facilitate development of new treatments, the clinical trial network for PCD (PCD-CTN) was founded in 2020 under the framework of the European Reference Network (ERN)-LUNG PCD Core. Applications from European PCD sites interested in participating in the PCD-CTN were requested. Inclusion criteria consisted of patient numbers, membership of ERN-LUNG PCD Core, use of associated standards of care, experience in PCD and/or CF clinical research, resources to run clinical trials, good clinical practice (GCP) certifications and institutional support. So far, applications from 22 trial sites in 18 European countries have been approved, including >1400 adult and >1600 paediatric individuals with PCD. The PCD-CTN is headed by a coordinating centre and consists of a steering and executive committee, a data safety monitoring board and committees for protocol review, training and standardisation. A strong association with patient organisations and industrial companies are further cornerstones. All participating trial sites agreed on a code of conduct. As CTNs from other diseases have demonstrated successfully, this newly formed PCD-CTN operates to establish evidence-based treatments for this orphan disease and to bring new personalised treatment approaches to patients. The disease-specific clinical trial network for primary ciliary dyskinesia (PCD-CTN) was built under the framework of the European Reference Network (ERN)-LUNG PCD Core, and operates to establish evidence-based and new personalised treatment for PCDhttps://bit.ly/3sLtC8o
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7
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Nielsen KG, Holgersen MG, Crowley S, Marthin JK. Chronic airway disease in primary ciliary dyskinesia—spiced with geno–phenotype associations. AMERICAN JOURNAL OF MEDICAL GENETICS PART C: SEMINARS IN MEDICAL GENETICS 2022; 190:20-35. [PMID: 35352480 PMCID: PMC9314966 DOI: 10.1002/ajmg.c.31967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/10/2022] [Accepted: 03/15/2022] [Indexed: 12/01/2022]
Abstract
Primary ciliary dyskinesia (PCD) can be defined as a multiorgan ciliopathy with a dominant element of chronic airway disease affecting the nose, sinuses, middle ear, and in particular, the lower airways. Although most patients with PCD are diagnosed during preschool years, it is obvious that the chronic lung disease starts its course already from birth. The many faces of the clinical picture change, as does lung function, structural lung damage, the burden of infection, and of treatment throughout life. A markedly severe neutrophil inflammation in the respiratory tract seems pervasive and is only to a minimal extent ameliorated by a treatment strategy, which is predominantly aimed at bacterial infections. An ever‐increasing understanding of the different aspects, their interrelationships, and possible different age courses conditioned by the underlying genotype is the focus of much attention. The future is likely to offer personalized medicine in the form of mRNA therapy, but to that end, it is of utmost importance that all patients with PCD be carefully characterized and given a genetic diagnosis. In this narrative review, we have concentrated on lower airways and summarized the current understanding of the chronic airway disease in this motile ciliopathy. In addition, we highlight the challenges, gaps, and opportunities in PCD lung disease research.
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Affiliation(s)
- Kim G Nielsen
- Department of Paediatrics and Adolescent Medicine Danish PCD & chILD Centre, CF Centre Copenhagen, Paediatric Pulmonary Service, ERN Accredited Copenhagen Denmark
- Department of Clinical Medicine University of Copenhagen Copenhagen Denmark
| | - Mathias G Holgersen
- Department of Paediatrics and Adolescent Medicine Danish PCD & chILD Centre, CF Centre Copenhagen, Paediatric Pulmonary Service, ERN Accredited Copenhagen Denmark
| | - Suzanne Crowley
- Paediatric Department of Allergy and Lung Diseases Oslo University Hospital, Rikshospitalet Oslo Norway
| | - June K Marthin
- Department of Paediatrics and Adolescent Medicine Danish PCD & chILD Centre, CF Centre Copenhagen, Paediatric Pulmonary Service, ERN Accredited Copenhagen Denmark
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8
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Kim CH, Son BS, Son J, Kim DH. Morphological Adaptation after Bilateral Lung Transplantation in a Patient with Kartagener Syndrome: A Case Report. J Chest Surg 2022; 55:77-80. [PMID: 34815368 PMCID: PMC8824653 DOI: 10.5090/jcs.21.086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/26/2021] [Accepted: 10/07/2021] [Indexed: 11/16/2022] Open
Abstract
Kartagener syndrome (KS) is a rare disease with an incidence of 1 in 20,000 to 30,000 births. There is no cure for KS, and conservative medical treatments are used to relieve symptoms and prevent disease progression. Lung transplantation (LT) is the only treatment option for end-stage KS. Since patients with KS have anatomical abnormalities such as situs inversus totalis, which often require surgery to correct, most reports are related to surgical techniques. Reports about morphological adaptations and changes in transplanted lung structure after LT in patients with KS are rare. We performed LT in a patient with KS and observed morphological adaptation of the lungs for 6 months on chest computed tomography using a quantitative evaluation tool (Chest Image Platform; Harvard University Disability Resources, Cambridge, MA, USA).
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Affiliation(s)
- Chang Hun Kim
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Yangsan Hospital, Medical Research Institute of Pusan National University, Yangsan, Korea
| | - Bong Soo Son
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Yangsan Hospital, Medical Research Institute of Pusan National University, Yangsan, Korea
| | - Joohyung Son
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Yangsan Hospital, Medical Research Institute of Pusan National University, Yangsan, Korea
| | - Do Hyung Kim
- Department of Thoracic and Cardiovascular Surgery, Pusan National University Yangsan Hospital, Medical Research Institute of Pusan National University, Yangsan, Korea
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9
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Elgharably H, Javorski MJ, McCurry KR. Bilateral sequential lung transplantation: technical aspects. J Thorac Dis 2022; 13:6564-6575. [PMID: 34992835 PMCID: PMC8662466 DOI: 10.21037/jtd-2021-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 06/02/2021] [Indexed: 12/02/2022]
Abstract
The surgical technique for lung transplantation has evolved dramatically over the last three decades. Significant improvements in short term outcomes in the early years of lung transplantation were due, in large part, to techniques developed to reduce airway anastomotic complications in single lung transplantation. Following development of the technique of en bloc double lung transplantation, evolution to the bilateral sequential technique further reduced airway complications for double lung transplantation. More recently, some programs have utilized the en bloc double lung transplant technique with bronchial artery revascularization to aid airway healing and potentially improve short- and long-term outcomes. The experience with bronchial artery revascularization remains limited to a few series, with the technique having not been widely adopted by most lung transplant programs. With the implementation of priority allocations schemes in many countries, patients with higher risk profiles are being prioritized for transplantation which results in more complex procedures in fragile recipients with multiple comorbidities. This includes the increased need for concomitant cardiac procedures as well as performing lung transplantation after prior cardiothoracic surgery. Different surgical approaches have been described for bilateral sequential lung transplantation with or without intra-operative mechanical circulatory support (MCS), such as sternotomy, clamshell (bilateral anterior thoracotomies with transverse sternotomy), and bilateral thoracotomy incisions. Herein, we aim, not only to describe the various surgical approaches for double lung transplantation, but to provide a comprehensive review of other aspects related to the recipient pathology and different anatomical variants as well as handling technical challenges that might be encountered during the procedure.
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Affiliation(s)
- Haytham Elgharably
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Michael J Javorski
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Kenneth R McCurry
- Department of Thoracic and Cardiovascular Surgery, Cleveland Clinic Foundation, Cleveland, OH, USA
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10
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Marthin JK, Lucas JS, Boon M, Casaulta C, Crowley S, Destouches DMS, Eber E, Escribano A, Haarman E, Hogg C, Maitre B, Marsh G, Martinu V, Moreno-Galdó A, Mussaffi H, Omran H, Pohunek P, Rindlisbacher B, Robinson P, Snijders D, Walker WT, Yiallouros P, Johansen HK, Nielsen KG. International BEAT-PCD consensus statement for infection prevention and control for primary ciliary dyskinesia in collaboration with ERN-LUNG PCD Core Network and patient representatives. ERJ Open Res 2021; 7:00301-2021. [PMID: 34350277 PMCID: PMC8326680 DOI: 10.1183/23120541.00301-2021] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 05/16/2021] [Indexed: 12/02/2022] Open
Abstract
Introduction In primary ciliary dyskinesia (PCD) impaired mucociliary clearance leads to recurrent airway infections and progressive lung destruction, and concern over chronic airway infection and patient-to-patient transmission is considerable. So far, there has been no defined consensus on how to control infection across centres caring for patients with PCD. Within the BEAT-PCD network, COST Action and ERS CRC together with the ERN-Lung PCD core a first initiative has now been taken towards creating such a consensus statement. Methods A multidisciplinary international PCD expert panel was set up to create a consensus statement for infection prevention and control (IP&C) for PCD, covering diagnostic microbiology, infection prevention for specific pathogens considered indicated for treatment and segregation aspects. Using a modified Delphi process, consensus to a statement demanded at least 80% agreement within the PCD expert panel group. Patient organisation representatives were involved throughout the process. Results We present a consensus statement on 20 IP&C statements for PCD including suggested actions for microbiological identification, indications for treatment of Pseudomonas aeruginosa, Burkholderia cepacia and nontuberculous mycobacteria and suggested segregation aspects aimed to minimise patient-to-patient transmission of infections whether in-hospital, in PCD clinics or wards, or out of hospital at meetings between people with PCD. The statement also includes segregation aspects adapted to the current coronavirus disease 2019 (COVID-19) pandemic. Conclusion The first ever international consensus statement on IP&C intended specifically for PCD is presented and is targeted at clinicians managing paediatric and adult patients with PCD, microbiologists, patient organisations and not least the patients and their families. For the first time ever, an international consensus statement for infection prevention and control in PCD is presented. A total of 20 statements were developed in a collaboration of BEAT-PCD, COST Action, ERS CRC and ERN-LUNG PCD Core Network.https://bit.ly/3yuahKt
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Affiliation(s)
- June K Marthin
- Danish PCD Centre Copenhagen, Paediatric Pulmonary Service, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Jane S Lucas
- Primary Ciliary Dyskinesia Centre, NIHR Respiratory Biomedical Research Centre, Clinical and Experimental Science, University of Southampton, Southampton, UK
| | - Mieke Boon
- Dept of Paediatrics, University Hospital Gasthuisberg, Leuven, Belgium
| | - Carmen Casaulta
- Division of Paediatric Respiratory Medicine, University Children's Hospital, Bern, Switzerland
| | - Suzanne Crowley
- Paediatric Dept of Allergy and Lung Diseases, Oslo University Hospital, Oslo, Norway
| | - Damien M S Destouches
- Association des Patients Ayant une Dyskinésie Ciliaire Primitive, Limeil-Brevannes, France.,Patient representative
| | - Ernst Eber
- Division of Paediatric Pulmonology and Allergology, Dept of Paediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria
| | - Amparo Escribano
- Pediatric Pulmonology Unit, Hospital Clínico Universitario de Valencia, University of Valencia, Valencia, Spain
| | - Eric Haarman
- Dept of Pediatric Pulmonology, VU University Medical Center, Amsterdam, The Netherlands
| | - Claire Hogg
- Depts of Paediatrics and Paediatric Respiratory Medicine, Imperial College and Royal Brompton Hospital, London, UK
| | - Bernard Maitre
- Pulmonary Service, Centre constitutif Respirare, Centre Hospitalier intercommunal de Créteil, Univ Paris Est Creteil, INSERM, IMRB, Creteil, France
| | - Gemma Marsh
- Depts of Paediatrics and Paediatric Respiratory Medicine, Imperial College and Royal Brompton Hospital, London, UK
| | - Vendula Martinu
- Paediatric Pulmonology, Paediatric Dept, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Antonio Moreno-Galdó
- Dept of Pediatrics, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Universitat Autònoma de Barcelona, Barcelona, Spain.,CIBER of Rare Diseases (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Huda Mussaffi
- Schneider Children's Medical Center of Israel, Petach-Tikva, Sackler School of Medicine, Tel-Aviv, Israel
| | - Heymut Omran
- Dept of General Paediatrics and Adolescent Medicine, University Hospital Muenster, Muenster, Germany
| | - Petr Pohunek
- Paediatric Pulmonology, Paediatric Dept, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Bernhard Rindlisbacher
- Kartagener Syndrom und Primäre Ciliäre Dyskinesie, Steffisburg, Switzerland.,Patient representative
| | - Phil Robinson
- Dept of Respiratory and Sleep Medicine, Royal Children's Hospital, Parkville, Australia.,Dept of Paediatrics, University of Melbourne, Parkville, Australia.,Murdoch Children's Research Institute, Parkville, Australia
| | - Deborah Snijders
- Primary Ciliary Dyskinesia Centre, Dept of Woman and Child Health (SDB), University of Padova, Padua, Italy
| | - Woolf T Walker
- Primary Ciliary Dyskinesia Centre, NIHR Respiratory Biomedical Research Centre, Clinical and Experimental Science, University of Southampton, Southampton, UK
| | | | - Helle Krogh Johansen
- Dept of Clinical Microbiology, University Hospital Rigshospitalet, Copenhagen, Denmark.,Dept of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Kim G Nielsen
- Danish PCD Centre Copenhagen, Paediatric Pulmonary Service, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark.,Dept of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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11
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Liu Z, Nguyen QPH, Guan Q, Albulescu A, Erdman L, Mahdaviyeh Y, Kang J, Ouyang H, Hegele RG, Moraes T, Goldenberg A, Dell SD, Mennella V. A quantitative super-resolution imaging toolbox for diagnosis of motile ciliopathies. Sci Transl Med 2021; 12:12/535/eaay0071. [PMID: 32188719 DOI: 10.1126/scitranslmed.aay0071] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Revised: 12/09/2019] [Accepted: 02/28/2020] [Indexed: 12/24/2022]
Abstract
Airway clearance of pathogens and particulates relies on motile cilia. Impaired cilia motility can lead to reduction in lung function, lung transplant, or death in some cases. More than 50 proteins regulating cilia motility are linked to primary ciliary dyskinesia (PCD), a heterogeneous, mainly recessive genetic lung disease. Accurate PCD molecular diagnosis is essential for identifying therapeutic targets and for initiating therapies that can stabilize lung function, thereby reducing socioeconomic impact of the disease. To date, PCD diagnosis has mainly relied on nonquantitative methods that have limited sensitivity or require a priori knowledge of the genes involved. Here, we developed a quantitative super-resolution microscopy workflow: (i) to increase sensitivity and throughput, (ii) to detect structural defects in PCD patients' cells, and (iii) to quantify motility defects caused by yet to be found PCD genes. Toward these goals, we built a localization map of PCD proteins by three-dimensional structured illumination microscopy and implemented quantitative image analysis and machine learning to detect protein mislocalization, we analyzed axonemal structure by stochastic optical reconstruction microscopy, and we developed a high-throughput method for detecting motile cilia uncoordination by rotational polarity. Together, our data show that super-resolution methods are powerful tools for improving diagnosis of motile ciliopathies.
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Affiliation(s)
- Zhen Liu
- Biochemistry Department, University of Toronto, Toronto, ON M5S1A8, Canada.,Cell Biology Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada
| | - Quynh P H Nguyen
- Biochemistry Department, University of Toronto, Toronto, ON M5S1A8, Canada.,Cell Biology Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada
| | - Qingxu Guan
- Biochemistry Department, University of Toronto, Toronto, ON M5S1A8, Canada.,Cell Biology Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada
| | - Alexandra Albulescu
- Biochemistry Department, University of Toronto, Toronto, ON M5S1A8, Canada.,Cell Biology Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada
| | - Lauren Erdman
- Genetics and Genome Biology Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada.,Department of Computer Science, University of Toronto, Toronto, ON M5T 3A1, Canada
| | - Yasaman Mahdaviyeh
- Genetics and Genome Biology Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada.,Department of Computer Science, University of Toronto, Toronto, ON M5T 3A1, Canada
| | - Jasmine Kang
- Biochemistry Department, University of Toronto, Toronto, ON M5S1A8, Canada.,Cell Biology Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada
| | - Hong Ouyang
- Translational Medicine Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada
| | - Richard G Hegele
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S1A8, Canada
| | - Theo Moraes
- Translational Medicine Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada
| | - Anna Goldenberg
- Genetics and Genome Biology Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada.,Department of Computer Science, University of Toronto, Toronto, ON M5T 3A1, Canada.,Vector Institute, Toronto, ON M5G 1M1, Canada.,Canadian Institute for Advanced Research, Toronto, ON M5G1M1, Canada
| | - Sharon D Dell
- Division of Respiratory Medicine, Hospital for Sick Children, Toronto, ON M5G1X8, Canada. .,Department of Pediatrics, University of Toronto,Toronto, ON M5S1A8 , Canada
| | - Vito Mennella
- Biochemistry Department, University of Toronto, Toronto, ON M5S1A8, Canada. .,Cell Biology Program, Hospital for Sick Children, Toronto, ON M5G0A4, Canada.,Clinical and Experimental Sciences, Faculty of Medicine, National Health Research Institute, Biomedical Research Center, University of Southampton, Southampton SO16 6YD, UK
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12
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Yamamoto H, Sugimoto S, Miyoshi K, Otani S, Yamane M, Toyooka S. Lung transplantation for Kartagener syndrome: technical aspects and morphological adaptation of the transplanted lungs. Gen Thorac Cardiovasc Surg 2020; 69:588-592. [PMID: 33026567 DOI: 10.1007/s11748-020-01509-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 09/29/2020] [Indexed: 10/23/2022]
Abstract
While technical considerations in lung transplantation for Kartagener syndrome have been discussed, little information is available about the postoperative morphological changes of the grafted lungs. Herein, we discuss both the technical aspects and postoperative morphological adaptation of the grafted lungs in a case of Kartagener syndrome. A 46-year-old male patient with Kartagener syndrome underwent bilateral cadaveric lung transplantation. The right arterial anastomosis for transplantation of the size-matched grafts required technical elaboration. After the transplantation, we found a free space in the cardiac notch of the left lung and partial collapse of the lower lobe of the right lung due to dextrocardia. Follow-up computed tomography performed on day 42 after the transplantation demonstrated resolution of the atelectasis and morphological adaptation of the grafts into the recipient's chest cavity with dextrocardia. Considering such early morphological adaptation of size-matched grafts, lobar reduction could be avoided in lung transplantation for Kartagener syndrome.
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Affiliation(s)
- Haruchika Yamamoto
- Department of General Thoracic Surgery and Organ Transplant Center, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Seiichiro Sugimoto
- Department of General Thoracic Surgery and Organ Transplant Center, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan.
| | - Kentaroh Miyoshi
- Department of General Thoracic Surgery and Organ Transplant Center, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Shinji Otani
- Department of General Thoracic Surgery and Organ Transplant Center, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Masaomi Yamane
- Department of General Thoracic Surgery and Organ Transplant Center, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Shinichi Toyooka
- Department of General Thoracic Surgery and Organ Transplant Center, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
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13
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Raidt J, Brillault J, Brinkmann F, Jung A, Koerner-Rettberg C, Koitschev A, Linz-Keul H, Nüßlein T, Ringshausen FC, Röhmel J, Rosewich M, Werner C, Omran H. [Management of Primary Ciliary Dyskinesia]. Pneumologie 2020; 74:750-765. [PMID: 32977348 PMCID: PMC7671756 DOI: 10.1055/a-1235-1520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Die Primäre Ciliäre Dyskinesie (PCD, MIM 242650) ist eine seltene hereditäre Multisystemerkrankung mit klinisch heterogenem Phänotyp. Leitsymptom ist eine chronische Sekretretention der oberen und unteren Atemwege, welche durch die Dysfunktion motiler respiratorischer Zilien entsteht. In der Folge kommt es zur Ausbildung von Bronchiektasen, häufig zu einer Infektion durch Pseudomonas aeruginosa sowie einer abnehmenden Lungenfunktion bis hin zum Lungenversagen. Bislang gibt es kaum evidenzbasierte Therapieempfehlungen, da randomisierte Langzeitstudien zur Behandlung der PCD fehlten. In diesem Jahr wurden die Daten einer ersten placebokontrollierten Medikamentenstudie bei PCD veröffentlicht. Anlässlich dieses Meilensteins im Management der PCD wurde der vorliegende Übersichtsartikel als Konsens von Patientenvertretern sowie Klinikern, die langjährige Erfahrung in der Behandlung der PCD haben, verfasst. Diese Arbeit bietet eine Zusammenfassung aktuell eingesetzter Behandlungsverfahren, die überwiegend auf persönlichen Erfahrungen und Expertenmeinungen beruhen oder von anderen Atemwegserkrankungen wie der Cystischen Fibrose (CF), COPD oder Bronchiektasen-Erkrankung abgeleitet werden. Da es derzeit keine kurative Therapie für PCD gibt, stehen symptomatische Maßnahmen wie die regelmäßige Reinigung der Atemwege und die Behandlung von rezidivierenden Atemwegsinfektionen im Fokus. Nicht respiratorische Manifestationen werden organspezifisch behandelt. Um neben der ersten Medikamentenstudie mehr evidenzbasiertes Wissen zu generieren, werden weitere Projekte etabliert, u. a. ein internationales PCD-Register. Hierüber wird Patienten der Zugang zu klinischen und wissenschaftlichen Studien erleichtert und die Vernetzung behandelnder Zentren gefördert. Des Weiteren können Erkenntnisse über eine Genotyp-spezifische Erkrankungsschwere erlangt werden, um folglich die therapeutische Versorgung der Patienten zu verbessern und somit zu individualisieren.
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Affiliation(s)
- J Raidt
- Klinik für Kinder- und Jugendmedizin, Allgemeine Pädiatrie, Universitätsklinikum Münster, Münster
| | - J Brillault
- Kartagener Syndrom & Primäre Ciliäre Dyskinesie e. V., Herbolzheim
| | - F Brinkmann
- Pädiatrische Pneumologie und CF-Centrum, Universitätsklinik für Kinder- und Jugendmedizin Bochum, Bochum
| | - A Jung
- Abteilung für Pneumologie, Universitäts-Kinderspital Zürich, Zürich, Schweiz
| | | | - A Koitschev
- Abteilung Pädiatrische HNO-Heilkunde und Otologie, Olgahospital, Klinikum Stuttgart, Stuttgart
| | | | - T Nüßlein
- Klinik für Kinder- und Jugendmedizin Koblenz, Gemeinschaftsklinikum Mittelrhein, Koblenz
| | - F C Ringshausen
- Klinik für Pneumologie, Medizinische Hochschule Hannover (MHH), Biomedical Research in End-stage and Obstructive Lung Disease Hannover (BREATH), Deutsches Zentrum für Lungenforschung (DZL), Hannover
| | - J Röhmel
- Klinik für Pädiatrie mit Schwerpunkt Pneumologie, Immunologie und Intensivmedizin, Charité - Universitätsmedizin Berlin, Berlin
| | | | - C Werner
- Kinder- und Jugendmedizin, Helios Kliniken Schwerin, Schwerin
| | - H Omran
- Klinik für Kinder- und Jugendmedizin, Allgemeine Pädiatrie, Universitätsklinikum Münster, Münster
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14
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Abstract
Motile cilia are highly complex hair-like organelles of epithelial cells lining the surface of various organ systems. Genetic mutations (usually with autosomal recessive inheritance) that impair ciliary beating cause a variety of motile ciliopathies, a heterogeneous group of rare disorders. The pathogenetic mechanisms, clinical symptoms and severity of the disease depend on the specific affected genes and the tissues in which they are expressed. Defects in the ependymal cilia can result in hydrocephalus, defects in the cilia in the fallopian tubes or in sperm flagella can cause female and male subfertility, respectively, and malfunctional motile monocilia of the left-right organizer during early embryonic development can lead to laterality defects such as situs inversus and heterotaxy. If mucociliary clearance in the respiratory epithelium is severely impaired, the disorder is referred to as primary ciliary dyskinesia, the most common motile ciliopathy. No single test can confirm a diagnosis of motile ciliopathy, which is based on a combination of tests including nasal nitric oxide measurement, transmission electron microscopy, immunofluorescence and genetic analyses, and high-speed video microscopy. With the exception of azithromycin, there is no evidence-based treatment for primary ciliary dyskinesia; therapies aim at relieving symptoms and reducing the effects of reduced ciliary motility.
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15
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Technical Challenges in Lung Transplantation of Kartagener Syndrome Recipients: A Unique Team Experience With 12 Patients. Transplant Proc 2020; 52:1384-1387. [DOI: 10.1016/j.transproceed.2020.02.031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 02/06/2020] [Indexed: 11/19/2022]
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16
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Wang B, Zhang X, Jiang W, Huang J, Chen J, Kreisel D, Danguilan JLJ, Hsin M, Lin H. Double lung transplantation for end-stage Kartagener syndrome: a case report and literature review. J Thorac Dis 2020; 12:1588-1594. [PMID: 32395296 PMCID: PMC7212169 DOI: 10.21037/jtd.2020.02.28] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Kartagener syndrome (KS) is an autosomal recessive disorder characterized by situs inversus, paranasal sinusitis and bronchiectasis. We report the successful use of double lung transplant (DLTx) to treat end-stage KS. A 49-year-old Han woman was admitted to Renmin Hospital (Wuhan University, China) in September 2017 with a ≥15 year history of chronic productive cough that had worsened during the past year. Clinical examination and imaging investigations revealed respiratory failure and situs inversus consistent with KS. The patient was successfully treated with DLTx involving bilateral bronchial anastomoses. DLTx is a feasible treatment option for end-stage KS.
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Affiliation(s)
- Bo Wang
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Xinghua Zhang
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Wenyang Jiang
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Jie Huang
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Jingyu Chen
- Department of Thoracic Surgery, Nanjing Medical University, Affiliated Wuxi People's Hospital, Wuxi 214000, China
| | - Daniel Kreisel
- Division of Cardiothoracic Surgery, Washington University in St. Louis, Saint Louis, Missouri, USA
| | - Jose Luis J Danguilan
- Department of Thoracic Surgery and Anesthesia, Lung Center of the Philippines, Quezon City, Philippines
| | - Michael Hsin
- Department of Cardiothoracic Surgery, Queen Mary Hospital, High West, Hong Kong, China
| | - Huiqing Lin
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
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17
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Cuppari C, Cutrupi MC, Salpietro A, Sallemi A, Fusco M, Parisi GF, Salpietro C. Genetic Anomalies of the Respiratory Tract. CURRENT RESPIRATORY MEDICINE REVIEWS 2020. [DOI: 10.2174/1573398x15666191022100525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hereditary lung diseases can affect the airways, parenchyma and vasculature of the lung.
Such diseases comprehend simple monogenic disorders such as Kartagener syndrome and
α1-antitrypsin deficiency, in which mutations of critical genes are sufficient to induce well‐defined
disease phenotypes. A major comprehension of the genetic basis of pulmonary diseases has produced
new investigations into their underlying pathophysiology and contributed sometimes to clarify on
more frequent sporadic forms. The presence of these structural abnormalities of the respiratory tract
can be fatal, so that the identification of causative genes has allowed prenatal diagnosis for many
diseases giving a greater hope of survival thanks to a more adequate and prompt management.
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Affiliation(s)
- Caterina Cuppari
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi”, Unit of Pediatric Emergency, University of Messina, Messina, Italy
| | - Maria Concetta Cutrupi
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi”, Unit of Pediatric Emergency, University of Messina, Messina, Italy
| | | | - Alessia Sallemi
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi”, Unit of Pediatric Emergency, University of Messina, Messina, Italy
| | - Monica Fusco
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi”, Unit of Pediatric Emergency, University of Messina, Messina, Italy
| | - Giuseppe Fabio Parisi
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Carmelo Salpietro
- Department of Human Pathology of the Adult and Developmental Age “Gaetano Barresi”, Unit of Pediatric Emergency, University of Messina, Messina, Italy
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18
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Rare Human Diseases: Model Organisms in Deciphering the Molecular Basis of Primary Ciliary Dyskinesia. Cells 2019; 8:cells8121614. [PMID: 31835861 PMCID: PMC6952885 DOI: 10.3390/cells8121614] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 12/02/2019] [Accepted: 12/10/2019] [Indexed: 12/17/2022] Open
Abstract
Primary ciliary dyskinesia (PCD) is a recessive heterogeneous disorder of motile cilia, affecting one per 15,000-30,000 individuals; however, the frequency of this disorder is likely underestimated. Even though more than 40 genes are currently associated with PCD, in the case of approximately 30% of patients, the genetic cause of the manifested PCD symptoms remains unknown. Because motile cilia are highly evolutionarily conserved organelles at both the proteomic and ultrastructural levels, analyses in the unicellular and multicellular model organisms can help not only to identify new proteins essential for cilia motility (and thus identify new putative PCD-causative genes), but also to elucidate the function of the proteins encoded by known PCD-causative genes. Consequently, studies involving model organisms can help us to understand the molecular mechanism(s) behind the phenotypic changes observed in the motile cilia of PCD affected patients. Here, we summarize the current state of the art in the genetics and biology of PCD and emphasize the impact of the studies conducted using model organisms on existing knowledge.
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Komatsu M, Yamamoto H, Shomura T, Sonehara K, Ichiyama T, Urushihata K, Ushiki A, Yasuo M, Wakamatsu T, Sugimoto S, Oto T, Date H, Koizumi T, Hanaoka M, Kubo K. Twenty-year Follow-up of the First Bilateral Living-donor Lobar Lung Transplantation in Japan. Intern Med 2019; 58:3133-3137. [PMID: 31292405 PMCID: PMC6875472 DOI: 10.2169/internalmedicine.3160-19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Patients with end-stage lung disease can undergo living-donor lobar lung transplantation (LDLLT), with survival rates improving every year. We herein report the 20-year follow-up findings of the first patient who underwent LDLLT in Japan. A 24-year-old woman with primary ciliary dyskinesia became ventilator-dependent after severe respiratory failure and right-sided heart failure following repeated respiratory infections. In 1998, she underwent LDLLT and received her sister's right lower lobe and her mother's left lower lobe. Although the patient required 21 hospitalizations and developed unilateral bronchiolitis obliterans syndrome, she is in good physical condition and lives without restriction at 20 years after undergoing LDLLT.
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Affiliation(s)
- Masamichi Komatsu
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Hiroshi Yamamoto
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Toshitaka Shomura
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Kei Sonehara
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Takashi Ichiyama
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Kazuhisa Urushihata
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Atsuhito Ushiki
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Masanori Yasuo
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Toshihide Wakamatsu
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Seiichiro Sugimoto
- Department of Organ Transplant Center, Okayama University Hospital, Japan
| | - Takahiro Oto
- Department of Organ Transplant Center, Okayama University Hospital, Japan
| | - Hiroshi Date
- Department of Thoracic Surgery, Kyoto University Hospital, Japan
| | - Tomonobu Koizumi
- Department of Comprehensive Cancer Therapy, Shinshu University School of Medicine, Japan
| | - Masayuki Hanaoka
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
| | - Keishi Kubo
- The First Department of Internal Medicine, Shinshu University School of Medicine, Japan
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20
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Kim YJ, Kim J. Therapeutic perspectives for structural and functional abnormalities of cilia. Cell Mol Life Sci 2019; 76:3695-3709. [PMID: 31147753 PMCID: PMC11105626 DOI: 10.1007/s00018-019-03158-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 05/17/2019] [Accepted: 05/22/2019] [Indexed: 12/15/2022]
Abstract
Ciliopathies are a group of hereditary disorders that result from structural or functional abnormalities of cilia. Recent intense research efforts have uncovered the genetic bases of ciliopathies, and our understanding of the assembly and functions of cilia has been improved significantly. Although mechanism-specific therapies for ciliopathies have not yet received regulatory approval, the use of innovative therapeutic modalities such as oligonucleotide therapy, gene replacement therapy, and gene editing in addition to symptomatic treatments are expected to provide valid treatment options in the near future. Moreover, candidate chemical compounds for developing small molecule drugs to treat ciliopathies have been identified. This review introduces the key features of cilia and ciliopathies, and summarizes the advances as well as the challenges that remain with the development of therapies for treating ciliopathies.
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Affiliation(s)
- Yong Joon Kim
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Daejeon, 34141, Republic of Korea
| | - Joon Kim
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Daejeon, 34141, Republic of Korea.
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21
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Rajab TK, Kim T, Keller S, Mallidi H. Management of a young patient with dextrocardia, atrial septal defect, and Eisenmenger syndrome with venous-venous extracorporeal membrane oxygenation and heart-lung transplantation. J Card Surg 2019; 34:1114-1116. [PMID: 31332841 DOI: 10.1111/jocs.14168] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dextrocardia is a rare congenital condition which presents important challenges for surgical management. We discuss a patient with dextrocardia, atrial septal defect, and Eisenmenger syndrome, which ultimately led to decompensated end-stage lung disease and heart-lung transplant. Venous-venous extracorporeal membrane oxygenation was an important strategy to bridge the patient until donor organs became available. Transplantation of a heart-lung block allowed for the treatment of the patient's underlying congenital heart defect, anatomic reversal of dextrocardia with appropriate venous and arterial connections, and management of pulmonary damage from pulmonary hypertension.
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Affiliation(s)
- Taufiek Konrad Rajab
- Division of Cardiac Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Taehoon Kim
- Division of Cardiac Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Steven Keller
- Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Hari Mallidi
- Division of Cardiac Surgery, Brigham and Women's Hospital, Boston, Massachusetts
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22
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Gauthier JM, Takahashi T, Bierhals AJ, Brody SL, Hachem RR, Witt CA, Byers DE, Yusen RD, Trulock EP, Aguilar PR, Nava RG, Kozower BD, Meyers BF, Patterson GA, Kreisel D, Puri V. Technical Considerations for Lung Transplantation in Kartagener's Syndrome. Ann Thorac Surg 2018; 107:e337-e339. [PMID: 30612988 DOI: 10.1016/j.athoracsur.2018.08.095] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 08/29/2018] [Accepted: 08/30/2018] [Indexed: 11/25/2022]
Abstract
Kartagener's syndrome is a rare genetic disorder of ciliated epithelial cells associated with recurrent respiratory tract infections, bronchiectasis, and situs inversus. In some patients, the accumulation of airway secretions and recurrent infections lead to end-stage lung disease, for which lung transplantation is the only effective treatment. Anatomical variations, such as dextrocardia and pulmonary situs inversus, make the procedure challenging, yet feasible with certain technical modifications and careful preparation of donor lungs. We report a case of bilateral lung transplantation without the use of cardiopulmonary bypass in a patient with Kartagener's syndrome while describing important technical details of the operation.
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Affiliation(s)
- Jason M Gauthier
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Tsuyoshi Takahashi
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Andrew J Bierhals
- Division of Diagnostic Radiology, Mallinckrodt Institute of Radiology, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Steven L Brody
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Ramsey R Hachem
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Chad A Witt
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Derek E Byers
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Roger D Yusen
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Elbert P Trulock
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Patrick R Aguilar
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Ruben G Nava
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Benjamin D Kozower
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Bryan F Meyers
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - G Alexander Patterson
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Daniel Kreisel
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri; Department of Pathology & Immunology, Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - Varun Puri
- Division of Cardiothoracic Surgery, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri.
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Damseh N, Quercia N, Rumman N, Dell SD, Kim RH. Primary ciliary dyskinesia: mechanisms and management. APPLICATION OF CLINICAL GENETICS 2017; 10:67-74. [PMID: 29033599 PMCID: PMC5614735 DOI: 10.2147/tacg.s127129] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Primary ciliary dyskinesia is a genetically heterogeneous disorder of motile cilia that is predominantly inherited in an autosomal-recessive fashion. It is associated with abnormal ciliary structure and/or function leading to chronic upper and lower respiratory tract infections, male infertility, and situs inversus. The estimated prevalence of primary ciliary dyskinesia is approximately one in 10,000-40,000 live births. Diagnosis depends on clinical presentation, nasal nitric oxide, high-speed video-microscopy analysis, transmission electron microscopy, genetic testing, and immunofluorescence. Here, we review its clinical features, diagnostic methods, molecular basis, and available therapies.
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Affiliation(s)
| | - Nada Quercia
- Division of Clinical and Metabolic Genetics.,Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Nisreen Rumman
- Pediatric Department, Makassed Hospital, Jerusalem, Palestine
| | - Sharon D Dell
- Division of Respiratory Medicine, Department of Pediatrics, Child Health Evaluative Sciences, Hospital for Sick Children
| | - Raymond H Kim
- Fred A Litwin Family Centre in Genetic Medicine, University Health Network and Mount Sinai Hospital, Department of Medicine, University of Toronto, Toronto, ON, Canada
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