[Lymphangioleiomyomatosis and cystic fibrosis: pleurodesis versus lung transplant].
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Keywords:
Lymphangioleiomyomatosis
Pleurodesis
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Lymphangioleiomyomatosis
Pleurodesis
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Lymphangioleiomyomatosis (LAM) is a rare disease that leads to airways and lymphatic channels obstruction due to abnormal smooth muscle proliferation. It presents with dyspnea, pneumothorax or chylothorax. Lung transplantation (LT) has emerged as a valuable therapeutic option with limited reports. We report a case of LAM that underwent double LT and complicated by refractory bilateral chylothorax which was managed successfully by povidone-iodine pleurodesis and the addition of sirolimus to the post-transplantation immunosuppressive therapy. The patient has no recurrence with 24 months follow-up.
Lymphangioleiomyomatosis
Chylothorax
Pleurodesis
Sirolimus
Refractory (planetary science)
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Lymphangioleiomyomatosis
Pleurodesis
Chylothorax
Single Center
Hydrothorax
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Cystic fibrosis-related diabetes
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Between November 1992 and May 1994 we performed 10 single and 5 double lung transplants in patients with end-stage lung diseases due to lymphangioleiomyomatosis (4), cystic fibrosis (3), pulmonary hypertension (3), pulmonary fibrosis (3) and chronic obstructive lung disease (2). In the 13 patients (87%) surviving for median 245 (19-567) days, FEV1 improved from median 640 ml to 1410 ml and the 12-minute walk distance from median 315 to 1100 meters. 10 patients (77%) enjoy a good or even excellent quality of life. 2 patients died 11 and 62 days postoperatively, due to multi-organ failure and invasive pulmonary aspergillosis respectively. The main postoperative problems are fungal and cytomegalovirus infections and chronic rejection in the form of bronchiolitis obliterans. In Switzerland as elsewhere, lung transplantation has become an established modality for the management of end-stage diseases of the lung and pulmonary circulation.
Lymphangioleiomyomatosis
Heart-Lung Transplantation
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Lung transplant has seen a significant progress since 1963 till this era. Worldwide lung transplant indications have broadened with time. Alpha 1 antitrypsin deficiency used to be the most common reason for transplant but now conditions like idiopathic pulmonary fibrosis, Cystic fibrosis, Non Cystic fibrosis bronchiectasis, lymphangioleiomyomatosis have become leading indications towards lung transplant. Relaxation of donor selection criteria management protocol preserving and optimizing lung function with development ex vivo perfusion techniques to recondition suboptimal lung has improved lung transplantation success. Post-transplant survival still poses challenge as median survival stands low around five years.
Lymphangioleiomyomatosis
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Immunosuppression
Cystic fibrosis-related diabetes
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Purpose Whereas native lung overinflation has been thought to happen in recipients of single lung transplantation for lymphangioleiomyomatosis because of its increased compliance, there is no study that has reported the details on the change of the native lung volume after single lung transplantation by three-dimensional computed tomography volumetry. The purpose of the present study was to evaluate the lung volume after single lung transplantation for lymphangioleiomyomatosis by three-dimensional computed tomography volumetry and investigate the correlation between the native lung volume change and postoperative pulmonary function. Methods We retrospectively reviewed the data of 17 patients who underwent single lung transplantation for lymphangioleiomyomatosis. We defined the ratio of the native lung volume to total lung volume (N/T ratio) as an indicator of overinflation of the native lung. In order to assess changes in the N/T ratio over time, we calculated the rate of change in the N/T ratio which is standardized by the N/T ratio at 1 year after single lung transplantation: rate of change in N/T ratio (%) = {(N/T ratio at a certain year)/(N/T ratio at 1 year)– 1}× 100. Results We investigated the correlations between the N/T ratio and the pulmonary function test parameters at 1 year and 5 years; however, there was no significant correlation between them. On the other hand, there was a significant negative correlation between the rate of change in the N/T ratio and that in forced expiratory volume in 1 second %predicted (%FEV1) at 5 years after single lung transplantation. Conclusion The single lung transplantation recipients for lymphangioleiomyomatosis showed increased rate of change in the N/T ratio in the long-time course after lung transplantation with the decrease of %FEV1. We expect that these cases will probably cause the overinflation of the native lung in the future.
Lymphangioleiomyomatosis
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Measurement of the potential difference (PD) across the airways provides an indication of the viability and integrity of the lining epithelium. PD was recorded from the lower airways in "diseased controls" and in patients following heart-lung transplantation. Diseased controls showed a high PD centrally which fell (became less negative) peripherally (trachea -15.8 mV (SEM 1.0), lobar bronchi -12.6 mV (1.2), segmental bronchi -9.8 mV (1.2]. Following heart-lung transplantation (HLT) the profile of PD with airway size was altered in comparison to non-transplanted patients with reduced values in the large airways. Host tracheal values above the anastomosis were similarly reduced. Two episodes of rejection were associated with a lower mean airway PD; no significant changes were found with infection. In patients with cystic fibrosis (CF), values in the donor lung did not differ from those in non-CF transplanted patients up to one year following transplantation, although nasal PD in the host remained elevated. HLT selectively alters the PD profile only of larger airways, which may relate to the interruption of the bronchial arterial supply to these sites.
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