scholarly journals MO068RENAL HISTOPATHOLOGY IN CANCER PATIENTS: RESULTS OF A MULTICENTER STUDY

2021 ◽  
Vol 36 (Supplement_1) ◽  
Author(s):  
Mónica Bolufer ◽  
Clara Garcia Carro ◽  
Amir Shabaka ◽  
Cristina Rabasco ◽  
Juliana Draibe ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Kidney Disease ◽  
Renal Biopsy ◽  
Kidney Biopsy ◽  
Kidney Injury ◽  
Acute Interstitial Nephritis ◽  
Patients With Cancer ◽  
Oncological Patients ◽  
Active Cancer

Abstract Background and Aims Some decades ago, patients with cancer were not submitted to invasive procedures because of their short life expectancy. This is one of the main reasons why data about kidney histology in oncological patients with kidney impairment is very scarce: kidney biopsies were not performed in this population. However, renal biopsy is an especially useful diagnostic and prognostic tool in these patients when they develop kidney injury. The aim of our study is to study clinical and histological characteristics of patients with active solid organ malignancy that underwent kidney biopsy in a multicenter cohort. Method We performed a multicenter collaborative retrospective study. Clinical, demographical, and histological data from patients with an active neoplasia or in active cancer treatment who underwent kidney biopsy were collected. Statistics: Quantitative variables are expressed as mean+/-SD (normal distribution) or median (IQ 25-75) (non-normal distribution).Qualitative variables are expressed as percentage. Actuarial survival curves were performed using Kaplan-Meier. Results 94 patients with cancer who underwent a kidney biopsy during the study period, from 9 hospitals were included.63.8% men, 36.2% woman and mean age 66 (SD +/- 10,95) years old. The indications for biopsy were acute renal failure (63.8%), proteinuria (17%), and exacerbation of chronic kidney disease (11.7%). At the time of the renal biopsy, 27.7% patients presented diabetes, 60.6% high blood pressure, 10.6% were on non-steroidal anti-inflammatory drugs treatment, and 74.5% were receiving renin angiotensin system blockers. Malignances were lung (31.9%), intestinal (13.8%) and prostate (8.5%), with 43.6% metastatic cancer. As oncospecific treatment, 33% received chemotherapy, 30.8% immunotherapy (of which 37.93% received more than 1 checkpoint inhibitor (CPI) and 24.13% had immune-related adverse events), 22.4 % specific therapies, 17 % surgery, and 3.2% conservative treatment. Previously to kidney injury, 51.06% presented Cr> 1 mg / dL. At the time of kidney biopsy, median creatinine was 2,63mg/dL [1,75-3,9 (IQ 25-75)], median urine protein/creatinine ratio 795 mg/g [221-3182(IQ 25-75)]; 51.1% presented haematuria and 22.3% nephrotic range proteinuria; 8.5% eosinophiluria and 7.44% hemolytic anemia and /or low platelet. At the time of renal biopsy, 8.5% presented ANCA and 5.31% decrease in C3 / C4 serum levels. The renal biopsy diagnosis was: 40.4% acute interstitial nephritis, followed by acute tubular necrosis (9.6%), thrombotic microangiopathy (6.4%), membranous nephropathy (5.3%) and IgA nephropathy (6.4%). 62.8% received corticosteroids (28.81% pulses) for an average of 5.8 months [3.7-9.1(IQ 25-75)]. 12.8% required kidney replacement therapy. 43.6% showed complete recovery of kidney function at the end of follow-up. Average follow-up 22.59 months. 40.2% of patients died at the end of follow-up and 72.34 % presented chronic kidney disease. As expected, and maybe related to the heterogeneous cancer disease studied, the only factor associated with mortality was the presence of the metastasis at the moment of kidney biopsy (p=0.028). Conclusion Histological kidney diagnosis in patients with active cancer involves various renal disorders, such as acute interstitial nephritis, thrombotic microangiopathy, membranous nephropathy and IgA nephropathy. Renal biopsy in this group of patients provides valuable diagnostic and prognostic information. More studies are needed to expand the consensus in the diagnosis and treatment of oncological patients with renal injury.

MO368THE INCIDENCE AND RISK FACTORS FOR ACUTE KIDNEY INJURY IN PATIENTS TREATED WITH IMMUNE CHECKPOINT INHIBITORS: A REAL-LIFE STUDY

2021 ◽  
Vol 36 (Supplement_1) ◽  
Author(s):  
Deniz Can Güven ◽  
Deniz Aral Ozbek ◽  
Taha Koray Sahin ◽  
Melek Seren Aksun ◽  
Gozde Kavgaci ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Clinical Trials ◽  
Kidney Disease ◽  
Immune Checkpoint Inhibitors ◽  
Multivariate Analyses ◽  
Checkpoint Inhibitors ◽  
Statistical Significance ◽  
Real Life ◽  
Kidney Injury

Abstract Background and Aims The immune checkpoint inhibitors (ICIs) became a vital part of cancer treatment. The ICIs seem to be safer than chemotherapy for kidneys in clinical trials. However, recent observational studies from high-resource settings pointed out the possible underreporting of renal adverse events like acute kidney injury (AKI) in the clinical trials due to focusing only to the renal immune-related adverse events. Additionally, clinical trials generally enroll a fitter population with lesser comorbidities and include mostly treatment-naive patients making studies in real-life cohorts imperative for evaluating the AKI rates during ICI treatment. From these points, we aimed to evaluate the AKI rates and predisposing factors in ICI-treated patients. Method This retrospective study has evaluated the data of adult metastatic cancer patients treated with ICIs in Hacettepe University Cancer Center from 01.2014 to 12.2019. All patients other than the ones treated within the context of clinical trials or followed in other institutions after the first dose of ICIs were included. Baseline demographics, cancer types, patient weight and heights, ICI type and the number of cycles, serum creatinine and the estimated GFR values under treatment, regular medications, and comorbidities were recorded. AKI was defined by Kidney Disease Improving Global Outcomes criteria. The predisposing factors to AKI development were evaluated with the univariate and multivariate analyses. Results A total of 147 patients were included in the analyses. Median age was 61 [interquartile range (IQR) 51-67], and 69.4% of the patients were male. Patients were given a median of 8 (IQR 5-17) ICI cycles. Patients with melanoma (24.5%), non-small cell lung cancer (15%), and renal cell carcinoma (25.9%) comprised almost 2/3 of the cohort and 72.8% of the patients were treated with nivolumab. Hypertension was the most common comorbidity (38.1%), followed by chronic kidney disease (21.2%) and type 2 diabetes (19.7%). Median Charlson Comorbidity Index (CCI) was 8 (7-9). Median follow-up was 10.3 (IQR 6.3-19.4) months, and patients had median 9 (IQR 5-18) serum creatinine measurements. During the follow-up, 28 patients (19%) had at least one AKI episode with multiple AKI episodes in 3 patients (10.7%). The median time to AKI development was 2.53 (IQR 1.39-6.19) months. Almost all AKI events were mild (grade 1 or 2 in 27/28) and reversible (25/28). In univariate analyses, coronary artery disease (CAD) (p=<0.001), chronic kidney disease (CKD) (p=0.002), previous nephrectomy (p=0.015), iodinated contrast exposure in the week before immunotherapy (p=0.035), the use of renin-angiotensin-aldosterone system inhibitors (p=0.046) or proton pump inhibitors (PPI) (p=0.041) was associated with an increased AKI risk. The association between diabetes (p=0.067), higher CCI (9 vs. ≥9, p=0.107), baseline lactate dehydrogenase levels (p=0.177), and performance status (ECOG 0 vs. ≥1, p=0.235) and AKI risk did not reach statistical significance. In multivariate analyses, patients with CKD (OR: 3.719, 95% CI: 1.375- 10.057, p=0.010) or CAD (OR: 4.774, 95% CI: 1.803- 12.641, p=0.002) had increased AKI risk. Additionally, regular PPI use (OR: 2.734, 95% CI: .991- 7.542, p=0.052) had borderline statistical significance for AKI development. The development of AKI was not associated with decreased survival (HR: 0.726, 95% CI: 0.409-1.291, p=0.276). Conclusion In this study, we observed AKI development under ICIs in almost one in five cancer patients. The increased AKI rates in patients with CAD, CKD, or regular PPI use pointed out the need for better onco-nephrology collaboration in all ICI-treated patients, with a particular emphasis in these high-risk patients.

scholarly journals HMOX1 and Acute Kidney Injury in Sickle Cell Anemia

Blood ◽  
2017 ◽  
Vol 130 (Suppl_1) ◽  
pp. 686-686
Author(s):  
Santosh L. Saraf ◽  
Maya Viner ◽  
Ariel Rischall ◽  
Binal Shah ◽  
Xu Zhang ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Acute Kidney Injury ◽  
Risk Factor ◽  
Kidney Disease ◽  
Sickle Cell ◽  
Sickle Cell Anemia ◽  
Kidney Injury ◽  
Ckd Progression ◽  
Kdigo Guidelines

Abstract Acute kidney injury (AKI) is associated with tubulointerstitial fibrosis and nephron loss and may lead to an increased risk for subsequently developing chronic kidney disease (CKD). In adults with sickle cell anemia (SCA), high rates of CKD have been consistently observed, although the incidence and risk factors for AKI are less clear. We evaluated the incidence of AKI, defined according to Kidney Disease Improving Global Outcomes (KDIGO) guidelines as a rise in serum creatinine by ≥0.3mg/dL within 48 hours or ≥1.5 times baseline within seven days, in 158 of 299 adult SCA patients enrolled in a longitudinal cohort from the University of Illinois at Chicago. These patients were selected based on the availability of genotyping for α-thalassemia, BCL11A rs1427407, APOL1 G1/G2, and the HMOX1 rs743811 and GT-repeat variants. Median values and interquartile range (IQR) are provided. With a median follow up time of 66 months (IQR, 51-74 months), 137 AKI events were observed in 63 (40%) SCA patients. AKI was most commonly observed in the following settings: acute chest syndrome (25%), an uncomplicated vaso-occlusive crisis (VOC)(24%), a VOC with pre-renal azotemia determined by a fractional excretion of sodium <1% or BUN-to-creatinine ratio >20:1 (14%), or a VOC with increased hemolysis, defined as an increase in serum LDH or indirect bilirubin level >1.5 times over the baseline value at the time of enrollment (12%). Compared to individuals who did not develop AKI, SCA adults who developed an AKI event were older (AKI: median and IQR age of 35 (26-46) years, no AKI: 28 (23 - 26) years; P=0.01) and had a lower estimated glomerular filtration rate (eGFR) (AKI: median and IQR eGFR of 123 (88-150) mL/min/1.73m2, no AKI: 141 (118-154) mL/min/1.73m2; P=0.02) by the Kruskal-Wallis test at the time of enrollment. We evaluated the association of a panel of candidate gene variants with the risk of developing an AKI event. These included loci related to the degree of hemolysis (α-thalassemia, BCL11A rs1427407), to chronic kidney disease (APOL1 G1/G2 risk variants), and to heme metabolism (HMOX1) . Using a logistic regression model that adjusted for age and eGFR at the time of enrollment, the risk of an AKI event was associated with older age (10-year OR 2.6, 95%CI 1.4-4.8, P=0.002), HMOX1 rs743811 (OR 3.1, 95%CI 1.1-8.7, P=0.03), and long HMOX1 GT-repeats, defined as >25 repeats (OR 2.5, 95%CI 1.01-6.1, P=0.04). Next, we assessed whether AKI is associated with a more rapid decline in eGFR and with CKD progression, defined as a 50% reduction in eGFR, on longitudinal follow up. Using a mixed effects model that adjusted for age and eGFR at the time of enrollment, the rate of eGFR decline was significantly greater in those with an AKI event (β = -0.51) vs. no AKI event (β = -0.16) (P=0.03). With a median follow up time of 66 months (IQR, 51-74 months), CKD progression was observed in 21% (13/61) of SCA patients with an AKI event versus 9% (8/88) without an AKI event. After adjusting for age and eGFR at the time of enrollment, the severity of an AKI event according to KDIGO guidelines (stage 1 if serum creatinine rises 1.5-1.9 times baseline, stage 2 if the rise is 2.0-2.9 times baseline, and stage 3 if the rise is ≥3 times baseline or ≥4.0 mg/dL or requires renal replacement therapy) was a risk factor for CKD progression (unadjusted HR 1.6, 95%CI 1.1-2.3, P=0.02; age- and eGFR-adjusted HR 1.6, 95%CI 1.1-2.5, P=0.03). In conclusion, AKI is commonly observed in adults with sickle cell anemia and is associated with increasing age and the HMOX1 GT-repeat and rs743811 polymorphisms. Furthermore, AKI may be associated with a steeper decline in kidney function and more severe AKI events may be a risk factor for subsequent CKD progression in SCA. Future studies understanding the mechanisms, consequences of AKI on long-term kidney function, and therapies to prevent AKI in SCA are warranted. Disclosures Gordeuk: Emmaus Life Sciences: Consultancy.

Relationship between renal biopsy and renal survival in elderly patients with chronic kidney disease: A propensity score matching approach

2020 ◽  
Author(s):  
Xiaowei Lou ◽  
Shizhu Yuan ◽  
Wei Shen ◽  
Yueming Liu ◽  
Juan Jin ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Kidney Disease ◽  
Elderly Patients ◽  
Renal Biopsy ◽  
Cox Regression ◽  
Renal Survival ◽  
Aged Patients ◽  
Renal Outcomes ◽  
Propensity Matching

Abstract Background The effect of renal biopsy on the prognosis of elderly patients with chronic kidney disease remains unclear. Thus, in this study, we aimed to evaluate the relationship between renal biopsy and renal survival in this population.Methods In this multi-centre retrospective study, the baseline characteristics among three groups were balanced by propensity matching. All patients were divided into three groups according to age and renal biopsy. The clinicopathological features at biopsy and renal outcomes during the follow-up were collected and analysed. Renal outcomes were defined as estimated glomerular filtration rate < 15 mL/min/1.73 m2, dialysis, renal transplantation, or death. The prognostic effects of renal biopsy were evaluated using Cox regression models. Results A total of 1313 patients were identified. After propensity matching, 390 patients were selected and divided into three groups. After a total follow-up period of 55 months, 20 (13.3%) patients (47.6% group 1 vs 7.41% group 2 vs 39.1% group 3) reached renal outcomes. No significant differences were found in renal outcomes among aged patients whether they underwent renal biopsy or not. Cox regression analysis revealed risk factors in aged patients including low albumin and high levels of proteinuria and serum creatinine (P < 0.05). Platelet count was significant only in aged patients who underwent renal biopsy (hazard ratio: 0.642, P < 0.05). Conclusion In conclusion, renal biopsy in the elderly has not shown benefits in terms of renal survival, conservative treatment appears to be a viable therapeutic option in the management of those people.

scholarly journals The Incidence of Chronic Kidney Disease Three Years after Non-Severe Acute Kidney Injury in Critically Ill Patients: A Single-Center Cohort Study

2019 ◽  
Vol 8 (12) ◽  
pp. 2215 ◽  
Author(s):  
Sébastien Rubin ◽  
Arthur Orieux ◽  
Benjamin Clouzeau ◽  
Claire Rigothier ◽  
Christian Combe ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Acute Kidney Injury ◽  
Kidney Disease ◽  
Critically Ill ◽  
Critically Ill Patients ◽  
Kidney Injury ◽  
Single Center ◽  
Frequent Event ◽  
Incidence Of Ckd

The risk of chronic kidney disease (CKD) following severe acute kidney injury (AKI) in critically ill patients is well documented, but not after less severe AKI. The main objective of this study was to evaluate the long-term incidence of CKD after non-severe AKI in critically ill patients. This prospective single-center observational three-years follow-up study was conducted in the medical intensive care unit in Bordeaux’s hospital (France). From 2013 to 2015, all patients with severe (kidney disease improving global outcomes (KDIGO) stage 3) and non-severe AKI (KDIGO stages 1, 2) were enrolled. Patients with prior eGFR < 90 mL/min/1.73 m2 were excluded. Primary outcome was the three-year incidence of CKD stages 3 to 5 in the non-severe AKI group. We enrolled 232 patients. Non-severe AKI was observed in 112 and severe AKI in 120. In the non-severe AKI group, 71 (63%) were male, age was 62 ± 16 years. The reason for admission was sepsis for 56/112 (50%). Sixty-two (55%) patients died and nine (8%) were lost to follow-up. At the end of the follow-up the incidence of CKD was 22% (9/41); Confidence Interval (CI) 95% (9.3–33.60)% in the non-severe AKI group, tending to be significantly lower than in the severe AKI group (44% (14/30); CI 95% (28.8–64.5)%; p = 0.052). The development of CKD three years after non-severe AKI, despite it being lower than after severe AKI, appears to be a frequent event highlighting the need for prolonged follow-up.

scholarly journals Acute kidney injury pathology and pathophysiology: a retrospective review

2020 ◽  
Author(s):  
Joseph P Gaut ◽  
Helen Liapis
Keyword(s):  
Chronic Kidney Disease ◽  
Acute Kidney Injury ◽  
Renal Function ◽  
Kidney Disease ◽  
Renal Biopsy ◽  
Retrospective Review ◽  
Patient Management ◽  
Kidney Injury ◽  
High Morbidity ◽  
Underlying Pathology

Abstract Acute kidney injury (AKI) is the clinical term used for decline or loss of renal function. It is associated with chronic kidney disease (CKD) and high morbidity and mortality. However, not all causes of AKI lead to severe consequences and some are reversible. The underlying pathology can be a guide for treatment and assessment of prognosis. The Kidney Disease: Improving Global Outcomes guidelines recommend that the cause of AKI should be identified if possible. Renal biopsy can distinguish specific AKI entities and assist in patient management. This review aims to show the pathology of AKI, including glomerular and tubular diseases.

Molecular Signatures of Diabetic Kidney Disease Hiding in a Patient with Hypertension-Related Kidney Disease

2021 ◽  
pp. CJN.10350721
Author(s):  
Jiten Patel ◽  
Jose Torrealba ◽  
Emilio Poggio ◽  
Jack Bebiak ◽  
Charles Alpers ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Kidney Disease ◽  
Diabetic Kidney Disease ◽  
Kidney Biopsy ◽  
Kidney Injury ◽  
Clinical History ◽  
Molecular Evidence ◽  
Molecular Signatures ◽  
Diabetic Kidney ◽  
Health And Disease

The Kidney Precision Medicine Project (KPMP) seeks to establish a molecular atlas of the kidney in health and disease and improve our understanding of the molecular drivers of chronic kidney disease and acute kidney injury. Herein, we describe the case of a 66-year-old woman with chronic kidney disease who underwent a protocol KPMP kidney biopsy. Her clinical history included well-controlled diabetes mellitus, hypertension, and proteinuria. The patient's histopathology was consistent with modest hypertension-related kidney injury, without overt diabetic kidney disease (DKD). Transcriptomic signatures of the glomerulus, interstitium, and tubular subsegments were obtained from laser microdissected tissue. The molecular signatures uncovered revealed evidence of early DKD adaptation and ongoing active tubular injury with enriched pathways related to mesangial cell hypertrophy, glycosaminoglycan biosynthesis, and apoptosis. Molecular evidence of DKD was found across the nephron. Novel molecular assays can supplement and enrich the histopathologic diagnosis obtained from a kidney biopsy.

MO973PRE-IMPLANTATION BIOPSY FINDINGS AND IMPACT ON LIVE DONOR KIDNEY TRANSPLANT RECIPIENT OUTCOMES - A SINGLE CENTRE STUDY

2021 ◽  
Vol 36 (Supplement_1) ◽  
Author(s):  
Naduni Erandika ◽  
Nishantha Nanayakkara ◽  
Sulochana Wijetunge ◽  
Neelakanthi Rathnathunga ◽  
P K Harishchandra ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Sri Lanka ◽  
Kidney Disease ◽  
Renal Biopsy ◽  
Live Donor ◽  
Donor Kidney ◽  
Live Donor Kidney ◽  
Study Participants ◽  
Donor Biopsy

Abstract Background and Aims Live donor kidney transplantation remains the mainstay of renal replacement therapy in Sri Lanka. The basic universal pre surgical investigations, human leucocyte antigen (HLA) matching and cross matching are routinely performed, however due to high rates chronic kidney disease (CKD) as well as increasing numbers of, chronic kidney disease unknown etiology (CKDu) in Sri Lanka, there is a possibility of subclinical kidney disease being present in donor kidneys which go undiagnosed. A study of pre-implantation biopsy along with follow-up outcomes of kidney transplant recipients is conducted to identify presence of subclinical kidney disease in a Sri Lankan cohort of patients. Method We collected thirty three (33) live donor pre-implantation biopsies during 4 consecutive months in 2020 as well as 1 month follow-up data. This is part of an ongoing follow-up study which is conducted at National Hospital, Kandy, Sri Lanka. Results Thirty three (33) live donor recipients and their pre-implantation renal biopsy samples were studied. The mean age of the study participants’ was 37.6 (SD 12.5, range 13 - 59) years. A predominant number of male patients were in the sample (n=21, 63.6%). Underlying aetiology of end stage renal disease (ESRD), was predominantly due to chronic hypertension (39.3%; n=13) and diabetic kidney disease (21.2%, n=7) accounting for nearly 60% of the study participants. Among the 33 live donors 1st degree, 2nd degree and non-relative donors were 54.4% (n=18), 18.2% (n=6) and 27.3% (n=9) respectively. Pre-implantation renal biopsy results reported 36.4% (n=12) with abnormal biopsy findings including chronic interstitial nephritis (n=4, 12.1%), interstitial fibrosis (n=6, 18.18%) and acute tubular necrosis (n=2, 6%). Follow-up revealed delayed graft function occurring in 18.2% (n=6) of recipients with 50% (n=3) of them showing abnormalities in the pre-operative donor biopsy sample. At one month follow-up, 48.5% (n=16) reported complications which included graft failure 3% (n=1), all-cause mortality 3% (n=1), acute rejection 39.4% (n=13) and infections 24.2% (n=8). Overall, 37.5% (n=6) of these recipients had abnormal donor biopsy findings, however no significant statistical association was identified. Conclusion Our study identified subclinical kidney disease in donor kidneys despite standard pre-transplant screening. Even though, statistically not significant, recipients with abnormal pre-implantation biopsy findings had adverse short term post-transplant complications.

MO378WHAT LIES BENEATH ANTICOAGULATION-RELATED ACUTE KIDNEY INJURY

2021 ◽  
Vol 36 (Supplement_1) ◽  
Author(s):  
Hernando Trujillo ◽  
Justo Sandino Pérez ◽  
Teresa Cavero Escribano ◽  
Eduardo Gutierrez ◽  
Angel Sevillano ◽  
...  
Keyword(s):  
Acute Kidney Injury ◽  
Kidney Disease ◽  
Iga Nephropathy ◽  
Kidney Biopsy ◽  
Vitamin K Antagonists ◽  
Immunosuppressive Treatment ◽  
Kidney Injury ◽  
Secondary Outcome ◽  
Biopsy Specimens

Abstract Background and Aims Acute kidney injury (AKI) secondary to glomerular hemorrhage in the context of overanticoagulation, commonly known as anticoagulant-related nephropathy (ARN), is a relatively novel recognized entity. Preexisting or underlying kidney disease seems to be a predisposing factor; however, few studies have described histologic findings in patients with ARN. We aimed to examine underlying kidney pathology in patients on oral anticoagulation who presented an episode of AKI with hematuria in whom a kidney biopsy was performed. Method Spanish retrospective observational multicenter case study in patients treated with oral anticoagulants who developed macroscopic or intense hematuria followed by AKI. Only patients with available kidney biopsy specimens were included. Histologic findings and clinical data throughout follow-up were analyzed. The main outcome was to describe pathologic findings in kidney biopsy specimens of patients with clinical suspicion of ARN. The secondary outcome was to assess kidney outcomes during follow-up. Results Twenty-four patients were included with a median age of 76 years (interquartile range [IQR] 64-81) and a follow-up period of 10.1 (IQR 1.3-41.1) months. 79% were male, 22 (91%) had hypertension and 9 (37%) were diabetic. Most cases (91%) were on anticoagulation with vitamin K antagonists. At admission, 87% of cases presented gross hematuria with a median serum creatinine (SCr) of 4.2 mg/dl and a median INR of 2.3. During follow-up, median highest (peak) SCr was 6.3 mg/dl and 11 (45%) patients required acute dialysis. Kidney biopsy showed that all patients except one had an underlying nephropathy (confirmed IgA nephropathy in 16 [66.7%], probable IgA nephropathy in 2, diabetic nephropathy in 3, nephrosclerosis in 1, and idiopathic nodular glomerulosclerosis in 1). Tubules filled with red cells and red cell casts were observed in 66.7% of the cases and acute tubular necrosis in 70.8%. Management included anticoagulation withdrawal in 14 cases (58.3%) and immunosuppressive treatment with corticosteroids (n = 17 [70.8%]) and mycophenolic acid (n = 5 [20.8%]). At 12 weeks after discharge, 11 patients had &gt;50% decrease in SCr (with respect to peak SCr), 6 had &lt;50% decrease and 5 were on chronic dialysis. Conclusion IgA nephropathy was the most common underlying kidney disease in our biopsy-proven series of ARN, in which a significant percentage of patients did not achieve kidney function recovery.

Chronic Kidney Disease and That Risk Factor In Patients Alive More Than 10 Years After Allogenic Hematopoietic Stem Cell Transplantation.

Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 3463-3463
Author(s):  
Tatsunori Shimoi ◽  
Minoru Ando ◽  
Takeshi Kobayashi ◽  
Kazuhiko Kakihana ◽  
Takuya Yamashita ◽  
...  
Keyword(s):  
Chronic Kidney Disease ◽  
Acute Kidney Injury ◽  
Stem Cell ◽  
Kidney Disease ◽  
Hematopoietic Stem Cell Transplantation ◽  
Stem Cell Transplantation ◽  
Cox Regression ◽  
Kidney Injury ◽  
Hematopoietic Stem

Abstract Abstract 3463 Introduction: Chronic kidney disease (CKD) is common in survivors of hematopoietic stem cell transplantation (SCT). However, evolution over time of kidney dysfunction and its association with post-SCT acute kidney injury (AKI) are unclear. Methods: A retrospective cohort study was performed in 86 myeloablative allogenic SCT patients who received SCT between 1990 and 1999 and lived without relapse for 10 years or more. CKD was defined as a sustained decrease in estimated GFR less than 60 ml/min/1.73 m2 at least for a period more than 3 months. Post-SCT AKI was classified into three stages according to the acute kidney injury network (AKIN) criteria within 100 days after SCT. Incidence of new-onset CKD was studied by 1-year interval along the course of follow-up. Cumulative CKD incidence was evaluated by the Kaplan-Meier analysis. The factors associated with CKD at the time of 10 years after SCT were examined using Cox regression analysis. Results: The incident of new CKD was the highest (10.5%) at the first year after SCT and then remained almost constant (2.3 to 3.5%) (Figure 1). The prevalence of CKD increased along the follow-up time (Table 1). The cumulative incidence of CKD increased according to increasing AKI stages with significant difference between stages ≥1 and no AKI (Figure 2). Cox regression showed that each AKIN stage was a significant predictor of CKD: stage 3: hazard ratio (HR) 12.7, 95% confidence interval (CI) 2.42–97.6; stage 2: HR 7.75, 95% CI 1.83–53.6; and stage 1: HR 4.36, 95% CI 1.06–29.5. Other predictors included total body irradiation (TBI) (HR, 4.00; 95% CI, 1.63–10.5) and age on SCT (HR, 1.08; 95% CI, 1.03–1.13). Conclusions: CKD accumulated among long-term survivors receiving myeloablative allogenic SCT. Post-SCT AKI, regardless of the AKIN stages, is the most significant risk of CKD in such SCT population. Disclosures: No relevant conflicts of interest to declare.

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