Lung transplantation is an option for patients with advanced lung pathologies. Transbronchial biopsies are routinely conducted during the first year to manage acute rejection episodes, with chronic rejection, particularly bronchiolitis obliterans syndrome, becoming a significant concern thereafter. A 34-year-old patient with a diagnosis of primary ciliary dyskinesia was admitted to the emergency room due to a severe exacerbation that caused mixed respiratory failure. He required intubation and extracorporeal membrane oxygenation (ECMO) support as a bridge to bilateral lung transplantation. Post-transplantation, cryobiopsy was implemented according to local protocol, revealing A3 rejection without microbiological isolations. The implementation of cryobiopsy in lung transplantation proves to be an effective diagnostic strategy, offering enhanced tissue evaluation and improved diagnostic performance in both acute and chronic cellular rejection.
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http://dx.doi.org/10.7759/cureus.68554 | DOI Listing |
BMC Pulm Med
December 2024
Department of Thoracic Surgery, Kartal Kosuyolu High Specialization Education & Research Hospital, Istanbul, Turkey.
Objective: Bronchoscopy plays a critical role in the diagnosis and management of lung transplant recipients. We retrospectively evaluated the safety, complications, and efficacy of transbronchial biopsy (TBB) in detecting and grading early rejection.
Materials And Methods: We retrospectively assessed the complications associated with TBB and the adequacy of pathological diagnoses in patients who underwent lung transplantation at Koşuyolu Yüksek İhtisas Training and Research Hospital from December 1, 2016, to April 30, 2023.
Transplant Proc
December 2024
Heart Failure and Transplantation Unit, Hospital Universitario y Politécnico La Fe, Valencia, Spain; Department of Cardiology, Hospital Universitario y Politécnico La Fe, Valencia, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain; Department of Medicine, Universidad de Valencia, Spain.
Background: A high percentage of patients with congenital heart diseases (CHD) reach adulthood and, over time, require heart transplantation (HTx) or combined heart-lung transplantation (HLTx). Among CHD, there are subgroups associated with a higher risk.
Methods: Retrospective analysis of HTx and HLTx in CHD patients.
In Vivo
December 2024
Department of Veterinary Medicine, Yanbian University, Yanji, P.R. China;
Background/aim: This study aimed to investigate the safety and efficacy of deferoxamine (DFO) pretreated feline adipose tissue derived mesenchymal stem cells (fATMSCs) for the treatment of inflammatory disorders.
Materials And Methods: fATMSCs were isolated from feline adipose tissue and characterized using flow cytometry for surface marker expression and differentiation assays for adipogenic, osteogenic, and chondrogenic lineages. Different concentrations of DFO were used to evaluate its impact on fATMSC activity.
In Vivo
December 2024
Department of Veterinary Emergency and Critical Care Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon, Republic of Korea
Background/aim: Acute lung injury (ALI) is an important pathological process in acute respiratory distress syndrome; however, feasible and effective treatment strategies for ALI are limited. Recent studies have suggested that stem cell-derived exosomes can ameliorate ALI; however, there remains no consensus on the protocols used, including the route of administration. This study aimed to identify the appropriate route of administration of canine stem cell-derived exosomes (cSC-Exos) in ALI.
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December 2024
Department of Hematology and Cell Therapy, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang province, PR China. Electronic address:
Background: Bronchiolitis obliterans syndrome (BOS) is one of the most devastating outcomes of chronic graft-versus-host disease (cGVHD) after allogeneic hematopoietic stem cell transplantation (allo-HSCT). This remains an area of unmet clinical need for optimal therapy for BOS patients partly due to the limited understanding of pathogenic mechanisms.
Methods: We collected blood samples from 22 patients with cGVHD and 11 patients without cGVHD following allo-HSCT.
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