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Kidney biopsy and complications

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https://www.readbyqxmd.com/read/27891383/ruptured-sinus-of-valsalva-with-infective-endocarditis-complicated-with-post-infectious-acute-glomerulonephritis-a-rare-case-presentation
#1
Aditya Singh Kutiyal, Mradul Kumar Daga
Ruptured Sinus of Valsalva (RSOV) is a rarely seen disease condition. RSOV can have varied presentations from being asymptomatic with just a cardiac murmur to profound hypotension. There has been simultaneous occurrence of RSOV with Infective Endocarditis (IE) in literature. Glomerulonephritis has also been reported in approximately 20% patients with IE. Large amount of proteinuria or decline in kidney functions is rarely encountered and mostly this finding has been incidental on routine evaluation. The co-existence of all the three conditions in a single patient is rare...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27887750/chronic-kidney-disease
#2
REVIEW
Angela C Webster, Evi V Nagler, Rachael L Morton, Philip Masson
The definition and classification of chronic kidney disease (CKD) have evolved over time, but current international guidelines define this condition as decreased kidney function shown by glomerular filtration rate (GFR) of less than 60 mL/min per 1·73 m(2), or markers of kidney damage, or both, of at least 3 months duration, regardless of the underlying cause. Diabetes and hypertension are the main causes of CKD in all high-income and middle-income countries, and also in many low-income countries. Incidence, prevalence, and progression of CKD also vary within countries by ethnicity and social determinants of health, possibly through epigenetic influence...
November 22, 2016: Lancet
https://www.readbyqxmd.com/read/27884537/-nephrotic-syndrome-complicated-by-chylous-ascites-in-a-girl-of-2%C3%A2-years-and-8%C3%A2-months-old
#3
J R Mabiala Babela, L C Ollandzobo Ikobo, R Loumingou, E R Nika, A Mouko
We report on a case of nephrotic syndrome with focal and segmental hyalinosis complicated by chylous ascites in a girl of 2 years and 8 months old. This pure nephrotic syndrome in its early stage was initially treated with intensive steroid treatment at 2mg/kg/day orally for 2 months, followed by a bolus of methylprednisolone. The persistence of proteinuria meant corticosteroid resistance. Renal biopsy then revealed focal and segmental hyalinosis. A recurrence of the edema-ascites syndrome was associated with macroscopic hematuria...
November 21, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27872804/pulmonary-hypertension-secondary-to-pulmonary-veno-occlusive-disease-complicated-by-right-heart-failure-hypotension-and-acute-kidney-injury
#4
Nima Golzy, Stuti Fernandes, Justin Sharim, Rikin Tank, Henry D Tazelaar, Howard E Epstein, Victor Tapson, Antoine Hage
Pulmonary veno-occlusive disease (PVOD) is rare condition which can lead to severe pulmonary hypertension, right ventricular dysfunction, and cardiopulmonary failure. The diagnosis of PVOD can be challenging due to its nonspecific symptoms and its similarity to idiopathic pulmonary arterial hypertension and interstitial lung disease in terms of diagnostic findings. This case describes a 57 year old female patient who presented with a 5-month history of progressive dyspnea on exertion and nonproductive cough...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27871893/clinical-effects-of-pre-transplant-serum-25-hydroxyvitamin-d-level-on-post-transplant-immunologic-and-non-immunologic-outcomes-in-kidney-transplant-recipients
#5
Tae Hyun Ban, Jeong Ho Kim, Han Beol Jang, Yoon Seo Lee, Bum Soon Choi, Cheol Whee Park, Chul Woo Yang, Yong-Soo Kim, Byung Ha Chung
BACKGROUND: The aim of this study was to investigate the effects of pre-transplant serum 25-hydroxyvitamin D (25(OH)D) level on non-immunologic and immunologic aspects of post-transplant clinical outcomes in kidney transplant recipients (KTRs). METHODS: We investigated 174 KTRs with low immunologic risk at baseline. We divided the patients into three groups according to baseline serum 25(OH)D level and compared the post-transplant clinical outcomes of acute rejection, infectious complications, and osteoporosis among the groups...
November 18, 2016: Transplant Immunology
https://www.readbyqxmd.com/read/27858871/case-report-brincidofovir-induced-reversible-severe-acute-kidney-injury-in-2-solid-organ-transplant-for-treatment-of-cytomegalovirus-infection
#6
Emmanuel Faure, Tatiana Galperine, Olivier Cannesson, Sophie Alain, Viviane Gnemmi, Celine Goeminne, Annie Dewilde, Johana Béné, Mohamed Lasri, Célia Lessore de Sainte Foy, Arnaud Lionet
RATIONALE: Resistant cytomegalovirus-mediated infections are increasing in solid organ recipient with few available alternative treatments. Brincidofovir is an oral broad-spectrum antiviral in development for prevention and treatment of viral infection, particularly cytomegalovirus. PATIENTS CONCERNS: Although brincidofovir is an analogue of cidofovir, previous studies reported no renal toxicity. DIAGNOSES: Here, we report 2 cases of severe tubular necrosis in solid organ recipients, 1 heart and 1 kidney transplant...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27858861/laparoscopic-assisted-low-anterior-resection-for-advanced-rectal-cancer-in-a-kidney-transplant-recipient-a-case-report
#7
Zenan Xia, Weijie Chen, Ru Yao, Guole Lin, Huizhong Qiu
INTRODUCTION: Development of de novo malignancy has become a major cause of late mortality in solid organ transplant recipients. Surgery is currently the most important treatment of choice for transplant patients with resectable CRC. However, conventional open surgery represents a great risk to these high-risk patients. They seem to benefit more from laparoscopic surgery, based on the favorable oncological outcome and remarkable short-term advantages of this approach. PATIENT CONCERNS: In this study, we have reported a case of a 50-year-old man who had underwent kidney transplantation for 4 years...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27835701/high-throughput-sequencing-reveals-circulating-mirnas-as-potential-biomarkers-of-kidney-damage-in-patients-with-systemic-lupus-erythematosus
#8
Elkin Navarro-Quiroz, Lisandro Pacheco-Lugo, Hernan Lorenzi, Yirys Díaz-Olmos, Lisneth Almendrales, Edwin Rico, Roberto Navarro, Pierine España-Puccini, Antonio Iglesias, Eduardo Egea, Gustavo Aroca
Renal involvement is one of the most severe manifestations of systemic lupus erythematosus (SLE). Renal biopsy is the gold standard when it comes to knowing whether a patient has lupus nephritis, and the degree of renal disease present. However, the biopsy has various complications, bleeding being the most common. Therefore, the development of alternative, non-invasive diagnostic tests for kidney disease in patients with SLE is a priority. Micro RNAs (miRNAs) are differentially expressed in various tissues, and changes in their expression have been associated with several pathological processes...
2016: PloS One
https://www.readbyqxmd.com/read/27821389/staphylococcus-infection-associated-gn-spectrum-of-iga-staining-and-prevalence-of-anca-in-a-single-center-cohort
#9
Anjali A Satoskar, Sarah Suleiman, Isabelle Ayoub, Jessica Hemminger, Samir Parikh, Sergey V Brodsky, Cherri Bott, Edward Calomeni, Gyongyi M Nadasdy, Brad Rovin, Lee Hebert, Tibor Nadasdy
BACKGROUND AND OBJECTIVES: Staphylococcus infection-associated GN (SAGN) is a well recognized disease entity, particularly because of the frequent IgA-dominant glomerular immunoglobulin staining on kidney biopsy. Biopsy features can resemble two other disease entities - primary IgA nephropathy and Henoch-Schönlein purpura nephritis - posing a diagnostic pitfall. This is clinically relevant because of the crucial difference in the therapeutic approach. The diagnosis of SAGN is further complicated by the variability in the degree of glomerular IgA (and C3) staining, the extent of electron dense immune-type deposits, and positive ANCA serology in some patients...
November 7, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27796249/rituximab-related-late-onset-neutropenia-in-kidney-transplant-recipients-treated-for-antibody-mediated-acute-rejection
#10
Fatemeh Ahmadi, Simin Dashti-Khavidaki, Mohammad-Reza Khatami, Mahboob Lessan-Pezeshki, Hossein Khalili, Malihe Khosravi
OBJECTIVES: Kidney transplant is a new area for use of rituximab, which is being used to treat acute antibody-mediated rejection or as an induction agent in ABO- or HLA-incompatible grafts. We report on late-onset neutropenia in rituximab-treated kidney transplant recipients with antibody-mediated rejection. MATERIALS AND METHODS: This observational prospective study was performed on kidney transplant recipients with clinically suspicious or biopsy-proven antibody-mediated rejection treated with plasmapheresis plus intravenous immunoglobulin with (cases) or without (controls) rituximab...
October 31, 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/27788806/high-resistive-index-in-transplant-kidneys-is-a-possible-predictor-for%C3%A2-biopsy-complications
#11
B Peters, B Stegmayr, J Mölne, S-B Haux, H Hadimeri
BACKGROUND: Transplant kidney biopsies are performed to determine a histological diagnosis for specific patient treatment. The aim of this study was to investigate if Resistive Index (RI) could be a predictor for biopsy complications. METHODS: In this study, 220 consecutive transplant kidney biopsies (136 men and 84 women; median age, 55.5 years) were prospectively included. RI (median, 0.7) was measured by use of ultrasound. Histological diagnoses and biopsy complications were registered...
October 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27781206/a-case-of-transforming-growth-factor-%C3%AE-induced-gene-related-oculorenal-syndrome-granular-corneal-dystrophy-type-ii-with-a-unique-nephropathy
#12
Yoichi Iwafuchi, Tetsuo Morioka, Yuko Oyama, Kandai Nozu, Kazumoto Iijima, Ichiei Narita
Many types of inherited renal diseases have ocular features that occasionally support a diagnosis. The following study describes an unusual example of a 40-year-old woman with granular corneal dystrophy type II complicated by renal involvement. These two conditions may coincidentally coexist; however, there are some reports that demonstrate an association between renal involvement and granular corneal dystrophy type II. Granular corneal dystrophy type II is caused by a mutation in the transforming growth factor-β-induced (TGFBI) gene...
September 2016: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/27780576/bile-cast-nephropathy-caused-by-obstructive-cholestasis
#13
Julien Aniort, Anaïs Poyet, Jean-Louis Kemeny, Carole Philipponnet, Anne-Elisabeth Heng
Acute kidney injury (AKI) is a major complication in patients with liver disease. Although hepatorenal syndrome is frequently involved, bile cast nephropathy, characterized by tubular bile cast formation, has been scarcely described in the setting of severe liver failure. Few renal histology studies are available in these patients. We describe a case of bile cast nephropathy in a patient with obstructive cholestasis caused by stones in the common bile duct. The kidney biopsy confirmed this diagnosis, with several green casts in tubular lumens, tubular injury, and bilirubin composition of the tubular casts with Hall stain...
October 22, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27778491/feasibility-of-robot-assisted-segmental-ureterectomy-and-ureteroureterostomy-in-patient-with-high-medical-comorbidity
#14
Ali Abdel Raheem, Atalla Alatawi, Dae Keun Kim, Abulhasan Sheikh, Koon Ho Rha
INTRODUCTION AND OBJECTIVES: Nephroureterectomy remains the gold standard treatment option for upper tract tumors. However, segmental ureterectomy may be another option in patients with single kidney, borderline renal function or high medical comorbidities. The aim of this video is to assess the feasibility of robotic surgery as a minimally invasive technique in treatment of a high comorbid patient with ureteric tumor. MATERIALS AND METHODS: Eighty-year old male patient, with a medical history of chronic hypertensive and uncontrolled Diabetes Mellitus, was referred to our department for treatment of ureteric tumor...
October 20, 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/27777973/systems-biology-analysis-reveals-role-of-mdm2-in-diabetic-nephropathy
#15
Rintaro Saito, Anaïs Rocanin-Arjo, Young-Hyun You, Manjula Darshi, Benjamin Van Espen, Satoshi Miyamoto, Jessica Pham, Minya Pu, Simone Romoli, Loki Natarajan, Wenjun Ju, Matthias Kretzler, Robert Nelson, Keiichiro Ono, Dana Thomasova, Shrikant R Mulay, Trey Ideker, Vivette D'Agati, Ergin Beyret, Juan Carlos Izpisua Belmonte, Hans Joachim Anders, Kumar Sharma
To derive new insights in diabetic complications, we integrated publicly available human protein-protein interaction (PPI) networks with global metabolic networks using metabolomic data from patients with diabetic nephropathy. We focused on the participating proteins in the network that were computationally predicted to connect the urine metabolites. MDM2 had the highest significant number of PPI connections. As validation, significant downregulation of MDM2 gene expression was found in both glomerular and tubulointerstitial compartments of kidney biopsy tissue from 2 independent cohorts of patients with diabetic nephropathy...
October 20, 2016: JCI Insight
https://www.readbyqxmd.com/read/27777772/urothelial-carcinoma-of-donor-origin-in-a-kidney-transplant-patient
#16
Rosa M Michel Ortega, Daynna J Wolff, Cynthia A Schandl, Harry A Drabkin
BACKGROUND: Malignancy after transplantation is an uncommon multifactorial occurrence. Immunosuppression to prevent graft rejection is described as a major risk factor in malignancy development in the post-transplant state. Donor-derived malignancy is a rare reported complication. Herein, we review our patient history and discuss diagnostic strategies and the implications of immunosuppression for donor-derived malignancy. CASE PRESENTATION: This is a 69-year-old man with post-renal-transplant urothelial carcinoma determined to be of donor origin...
2016: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/27761671/preemptive-kidney-transplantation-a-propensity-score-matched-cohort-study
#17
Masayoshi Okumi, Yasuyuki Sato, Kohei Unagami, Toshihito Hirai, Hideki Ishida, Kazunari Tanabe
BACKGROUND: The reasons for improved outcomes associated with preemptive kidney transplantation (PKT) are incompletely understood, and post-transplant complications have been scarcely investigated. METHODS: We evaluated the outcomes of PKT in both unmatched (n = 1060) and propensity score matched cohorts (n = 186) of adults who underwent living kidney transplant between 2000 and 2014. Outcomes were estimated glomerular filtration rate (eGFR), biopsy-proven rejection, cytomegalovirus (CMV) infection, post-transplant diabetes mellitus (PTDM), cardiovascular disease (CVD), graft failure (non-censored for death), and malignancy...
October 19, 2016: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/27743724/retrospective-analysis-of-ultrasound-detected-bleeding-complications-after-ultrasound-guided-transcutaneous-kidney-biopsies
#18
Stephanie Preuss, Claudius Kuechle, Stefan Wagenpfeil, Christoph Schmaderer, Lutz Renders, Uwe Heemann, Konrad Stock
The aim of this retrospective single-center study was to examine ultrasound-detected complications after diagnostic parenchymal renal biopsies. After 471 ultrasound-guided kidney biopsies (225 native kidneys and 246 renal allografts), ultrasound revealed hematomas (21.9%), arterio-venous fistulas (8.9%), active bleeding (1.1%) and hematuria (0.4%). Only 0.8% of all patients required invasive intervention such as coiling (n = 3) and surgical procedures (n = 1). Three episodes of bleeding (0.6%) were solved with manual compression...
October 13, 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27721962/acute-rejection-in-renal-transplant-patients-of-a-hospital-in-bogota-colombia
#19
P García, M Huerfano, M Rodríguez, A Caicedo, F Berrío, C Gonzalez
BACKGROUND: Renal transplantation is the best treatment for end stage renal disease. Acute graft rejection is one of the main complications and may influence graft survival. OBJECTIVE: To determine the incidence and features of acute cellular rejection (ACR) episodes confirmed by biopsy. METHODS: We studied a cohort of 175 patients who underwent renal transplantation between 2004 and 2012 to determine the cumulative incidence of ACR confirmed by biopsy and to identify the associated risk factors using multivariate analysis...
2016: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/27696583/yield-and-complications-of-kidney-biopsies-over-two-decades-in-a-tertiary-pediatric-center
#20
Roei Hod Feins, Anna Tobar, Miriam Davidovits
BACKGROUND: Kidney biopsy serves as an adjunct for the diagnosis of renal disease. However, it is not always productive. This study evaluated the yield and risks of kidney biopsies performed in 1995-2014 at a tertiary pediatric medical center. METHODS: The medical files of all patients who underwent closed percutaneous biopsy for various indications in native or transplanted kidneys were retrospectively reviewed for patient characteristics, technical and histopathologic findings, biopsy yield, and biopsy complications...
October 3, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
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