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Safety of Kidney Transplantion for Lung Transplant Recipients with End-Stage Renal Failure

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Safety of Kidney Transplantion for Lung Transplant Recipients with End-Stage Renal Failure Central JSM Renal Medicine Bringing Excellence in Open Access Review Article *Corresponding author Keith C. Meyer, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Safety of Kidney Transplantion Section of Allergy, Pulmonary and Critical Care Medicine, USA, Tel: 608-263-6363; 608-263-3035; Fax: 608- 263-3104; Email: for Lung Transplant Recipients Submitted: 11 August 2016 Accepted: 03 October 2016 with End-Stage Renal Failure Published: 05 October 2016 Copyright 1 2 2 Theodore J. McMenomy , Mehgan Holland , Nilto C. de Oliveira , © 2016 Meyer et al. James D. Maloney2, Richard D. Cornwell1, and Keith C. Meyer1* OPEN ACCESS 1Department of Medicine, University of Wisconsin School of Medicine and Public Health, USA Keywords 2Department of Surgery, University of Wisconsin School of Medicine and Public Health, • Transplant USA • Kidney transplantation • Lung transplantation Abstract • Renal failure Lung transplant recipients may develop profound renal dysfunction due to Stage IV kidney disease following successful lung transplantation (LTX). A comprehensive medical record review was performed for all LTX recipients transplanted from 1988 to 2012 to identify patients who subsequently underwent renal transplantation (RTX) for end-stage renal insufficiency. Sixteen LTX recipients underwent subsequent RTX (6 males, 10 females) at an average of 8.3 years (median 8, range 3-15) following LTX. Forced expiratory volume in 1 second (FEV1) obtained 6-12 months following RTX declined by more than 10% versus stable pre-RTX FEV1 values in only 4 recipients, and no recipients experienced new onset of BOS post-RTX. We conclude that RTX should be considered for those LTX recipients who develop chronic, end-stage renal failure, and that RTXcan be performed safely in LTX recipients without significant impact on lung allograft function. ABBREVIATIONS hemodynamic instability or concomitant use of other drugs that can cause nephrotoxicity and chronic kidney disease (CKD). BOS: Bronchiolitis Obliterans Syndrome; CKD: Chronic Other factors such as diabetes mellitus or systemic hypertension Kidney Disease; CLAD: Chronic Lung Allograft Dysfunction; COPD: Chronic Obstructive Pulmonary Disease; FEV1: Forced Expiratory Volume in One Second; GFR: Glomerular Filtration (HTN), if present, can also cause or contribute significantly to Rate; HTN: Systemic Hypertension; IPF: Idiopathic Pulmonary progressiveUp to 65% renal of lunginsufficiency. transplant recipients have been reported Fibrosis; LTX: Lung Transplantation; RTX: Renal Transplantation to have at least one episode of acute kidney injury within the INTRODUCTION of patients can develop CKD that progresses to end-stage kidney first weeks following transplant [7,8], and a substantial number Lung transplantation (LTX) is a treatment that is being increasingly used worldwide for end-stage pulmonary disorders end-stage kidney disease was found to be especially increased fordisease pediatric requiring patients hemodialysis who received [8-13].The lung transplants risk of developing versus a and chronic obstructive pulmonary disease (COPD). Lifelong immunosuppressivesuch as cystic fibrosis medications (CF), idiopathic are pulmonaryrequired afterfibrosis LTX (IPF), to significantly lower risk for heart or liver recipients [10]. Mason prevent acute rejection and chronic lung allograft dysfunction et al., [12] reported a prevalence of renal failure requiring (CLAD)due tobronchiolitis obliterans syndrome (BOS) or post-transplant chronic kidney injury has been associated with dialysis of 13% in a lung transplant cohort of 425 patients, and other forms of CLAD that may lead to progressive loss of increased mortality after LTX [13-15]. A CKD prevalence in immunosuppressive regimens usually include a calcineurin allograft function over time and recipient death [1,2]. Typical lung transplant recipients of 15.8% at 5 years using a definition of glomerular filtration rate (GFR) <30 ml/min has been can have adverse effects on renal tubular function and lead to inhibitor (tacrolimus or cyclosporine A), and these agents reported, and treatment of end-stage renal disease with renal transplantation was associated with significantly improved survival versus dialysis [16]. Risk factors for developing post-LTX nephrotoxicitynephrotoxicity, ofwhich calcineurin is a well-recognized inhibitors can side be effectaccentuated of chronic by calcineurin inhibitor administration [3-6]. Additionally, the renal insufficiency other than an episode of acute kidney injury include renal function impairment at the time of transplant, Cite this article: McMenomy TJ, Holland M, de Oliveira NC, Maloney JD, Cornwell RD, et al. (2016) Safety of Kidney Transplantion for Lung Transplant Re- cipients with End-Stage Renal Failure. JSM Renal Med 1(1): 1004. Meyer et al. (2016) Email: Central Bringing Excellence in Open Access higher age, pre-transplant systemic or pulmonary hypertension, of the 16renal transplant recipients had >10% (12%, 13%, 15%, Transplant centers must determine whether patients who and low center transplant volume [4,8,11-13,15]. ofand RTX 43%) yet decline survived in FEV1for 3 followingmore years RTX, following and the RTX recipient (Table with 1). develop CKD that requires renal replacement therapy should be the 43% decline in FEV1 had established Stage 2 BOS at the time the number candidates being placed on the kidney transplant Additionally, 3 other recipients with Stage 2 BOS and 2 recipients considered as candidates for renal transplantation (RTX), and decline in FEV1. waiting list for CKD that develops after successful LTX is with Stage 1 BOS at the time of RTX had no significant post-RTX No major complications of RTX occurred in any patient with of RTX on the function of the transplanted lung allograft(s) and the exception of one patient who had immediate thrombosis of the thegradually risk of increasing calcineurin [6,17,18]. inhibitor-associated Given the potential recurrent consequences injury to transplanted kidney that required kidney retransplantation 5 days later. Following RTX all patients received immunosuppression the transplantedclinical course kidney, of our questions center’s remain lung transplant regarding recipientsthe safety whoof RTX subsequently in lung transplant received recipients. kidney Therefore,transplants we for examined chronic with prednisone, mycophenolate, and a calcineurin inhibitor renal failure at our center to evaluate the impact of RTX on lung (cyclosporine in 5, tacrolimus in 11). All recipients survived allograft function when performed following previous LTX. delayedbeyond onerecurrence year post-RTX of end-stage (Table 1),renal and failure serum requiring creatinine renal at 1 replacementyear post-RTX therapy was 1.30 or kidney± 0.10 retransplantation.mg/dL. None of the patients had METHODS This investigation was approved by the University of DISCUSSION Wisconsin Human Subjects Committee (approval number Risk factors for developing CKD following solid organ transplantation include the pre-transplant level of kidney performed for all lung transplant recipients who underwent LTX M-2009-1308). A comprehensive medical record review was the outcomes of patients who underwent RTX for end-stage function, and reliance on serum creatinine only as a measure at the University of Wisconsin from 1988 to 2012to evaluate of renal status may overestimate renal function [19]. Other risk factors include advancing age, female gender, diabetes mellitus, renal insufficiency that developed following successful LTX. We systemic hypertension, peri-operative renal insults, requirement whosought received to determine LTX and safety subsequently and efficacy developed of RTX renal in this failure patient and for prolonged mechanical ventilation, renal vasoconstriction cohort and to identify significant complications. Sixteen patients caused by calcineurin inhibitor exposure, and a pulmonary diagnosis other than COPD [19,20]. underwent RTX at our institution were identified (6 males, 10 of pulmonary function over time before and after RTX and renal Although RTX did not appear to have a significant deleterious functionfemales). followingCharts were successful then analyzed RTX. Secondaryfor the primary data end-pointsthat were recipients.effect on lung This functionlack of improvementfor the majority may ofbe our consistent patients, with lung a priorfunction study also that did showed not improve that the significantly negative effects in anyof chronic of our renal RTX failure requiring hemodialysis on lung function are not fully andanalyzed survival included and ultimate comorbidities, cause timeof death to RTX, (if deceased). whether BOS Forced was expiratorypresent at the volume time inof oneRTX, second initiation (FEV1) of hemodialysis was used as prior the primary to RTX, occurred at the time of RTX was an acute renal artery thrombus inreversed one patient following that RTX necessitated [21]. The only emergent serious retransplantation.complication that was used as the primary measure of change in renal function. measure of lung function and BOS stage, and serum creatinine Adequate renal function was sustained despite post-operative RESULTS maintenance immunosuppression that included a calcineurin inhibitor in all renal transplant recipients. The cause of death for those patients who expired was not related to their kidney Age at time of LTX (Table 1) ranged from 26 to 63 years (mean safely in lung transplant recipients and should be considered ± SEM = 45 ± 3.4 yrs).
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