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Néphrologie & Thérapeutique

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https://www.readbyqxmd.com/read/30385137/-hyperthyroidism-induced-calciphylaxis-a-case-report
#1
Samuel Delma, Corinne Isnard-Bagnis, Gilbert Deray, Raphaël Nail Barthelemy, Lucile Mercadal, Geoffroy Desbuissons
BACKGROUND: Calciphylaxis or calcific uremic arteriolopathy (CUA) is a cutaneous disease with ulcerations secondary to calcification of cutaneous and subcutaneous small arteries and arterioles. It is a rare but severe disease with significant morbidity and mortality affecting 1 to 4% of dialysis patients. The circumstances of occurrence are multiple. CASE: We report the case of a severe bilateral lower limb calciphylaxis in a 69-year-old, obese, hemodialysis patient with a recent diagnosis of Graves' disease complicated with hypercalcemia and cardiac arrhythmia requiring the use of vitamin K antagonist...
October 29, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/30309814/-management-of-gitelman-syndrome-during-pregnancy-reporting-12-cases
#2
Karima Elbouajaji, Dominique Blanchier, Olivier Pourrat, Mélie Sarreau
INTRODUCTION: Gitelman syndrome is a rare hereditary renal tubulopathy, responsable of hypokalemia and hypomagnesaemia-related ionic disorders, which management is poorly codified during pregnancy. We report 12 cases of pregnancies with Gitelman syndrome and we compare our data with those of literature. MATERIAL AND METHODS: It is a report of 12 pregnancies in 5 patients with Gitelman syndrome between 2002 and 2016. Follow up and outcome of pregnancy, delivery modalities and maternal-fetal prognosis have been collected...
October 8, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/30301611/-non-iodinated-contrast-media-nephrotoxicity
#3
Nicolas Janus, Vincent Launay-Vacher, Gilbert Deray
The development of interventional radiology techniques regularly exposes patients to the potential renal toxocity of iodinated contrast media. Faced with this risk of nephrotoxicity, gadolinium-based contrast agents have long been considered as a safe alternative to iodinated contrast media, especially in sensitive or at risk patients. However, these gadolinium-based contrast agents are not devoid of nephrotoxicity and present another risk, a complication related to renal failure, the nephrogenic systemic fibrosis...
October 6, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/30301610/plasmacytoma-like-post-kidney-transplant-lymphoproliferative-disorder-confined-to-renal-allograft-and-urinary-tract-a-case-report
#4
Vincent Thibaud, Joseph Rivalan, Francisco Llamas, Mathilde Cherel, Olivier Decaux, Cécile Vigneau
Post-transplantation lymphoproliferative disorder (PTLD) is a well-know complication after organ transplantation. We report a case of a patient who developed an extramedullary plasmacytoma-like PTLD around his transplanted kidney treated with standard multiple myeloma chemotherapy. Three years after benefiting of a deceased donor kidney transplant for an end stage kidney disease secondary to nephroangiosclerosis, our patient developed an extra-medullary plasmacytoma confined to the transplant compartment. The transplant function was unaltered, and due to the absence of reduction of the lesion after immunosuppression reduction, a chemotherapy by bortezomib-cyclophosphamide-dexamethasone (VCD) known to be efficient in multiple myeloma was initiated...
October 6, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/30154055/-human-resources-allocated-to-kidney-transplantation-in-2016-in-france-a-national-survey
#5
Philippe Gatault, Marc Hazzan, Dany Anglicheau, Bruno Moulin
Following the publication of the ministerial action plan setting goals for the next five years, we performed a survey regarding the human resources and work organizations in the French renal transplant centers (n=33) on behalf of French speaking society of nephrology dialysis and transplantation (SFNDT). While the renal transplantation activity has been raising last years, we describe that the most active centers frequently resorted to an on-site nephrology guard and a surgeon dedicated to the transplantation activity, whereas only eight centers have a non restricted access to an operating room...
August 25, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/30150079/-up-to-date-of-pathophysiology-mechanism-of-idiopathic-nephrotic-syndromes-minimal-change-disease-and-focal-and-segmental-glomerulosclerosis
#6
Charlotte Dumas De La Roque, Christian Combe, Claire Rigothier
Idiopathic nephrotic syndrome represents up to 30% of adult glomerulopathies. However, its prognosis according to remission, relapse and renal failure remains unchanged since the 80s and prediction remains difficult. Physiopathology of adult idiopathic nephrotic syndrome is complex and multifactorial, including immunologic and environmental factors and a putative permeability-circulating factor, still unknown. In this point of view, we propose to summarize actual knowledge about idiopathic minimal change disease and focal and segmental glomerulosclerosis physiopathology...
August 24, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/30401463/-life-threatening-hypercalcemia-and-acute-kidney-injury-induced-by-etanercept
#7
Yawovi Mawufemo Tsevi, Selda Aydin, Patrick Durez, Laura Labriola
Drug-induced sarcoidosis-like disease is a rare, but not exceptional, side effect of anti-tumor necrosis factor (anti-TNF) agents. The organs most commonly involved are lungs, skin and lymph nodes. Kidney involvement is exceptional. Histology usually reveals non-caseating granulomas. Some of the biological features usually described in sarcoidosis are very infrequent in drug-induced granulomatosis. We report a case of sarcoid-like granulomatosis manifesting as life-threatening hypercalcemia and acute kidney injury in a woman treated with etanercept for a rheumatoid arthritis...
November 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/30401462/-calcific-uremic-arteriolopathy-in-hemodialysis-patient-review-of-literature-through-five-cases-reports
#8
Mariam Chettati, Adil Adnouni, Wafae Fadili, Inass Laouad
Calcific uremic arteriolopathy, also called calciphylaxis, is a rare and severe disorder that presents with skin ischemia and necrosis, sometimes it presents with systemic necrosis, the process is secondary to the obliteration of the arterioles first by sub-intimal calcium deposits and then by thrombosis. These lesions can often lead to death due to infectious complications and comorbidities such as diabetes, obesity, arteritis, diffuse vascular calcifications, heart disease and undernutrition. The diagnosis is suggested by the characteristic ischemic skin lesions and their distribution, often bilateral and painful, associeted with calcific uremic arteriolopathy risk factors (phosphocalcic abnormalities, anti-vitamin K)...
November 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29887270/cytomegalovirus-infection-in-the-first-year-after-pediatric-kidney-transplantation
#9
Corentin Tanné, Pascal Roy, Émilie Frobert, Anita Duncan, Audrey Laurent, Pierre Cochat
Cytomegalovirus is common in adult recipients (prevalence of 40-90%). Children are typically seronegative but immunosuppression may prone to primary-infection or viral reactivation, with potentially severe consequences. CMV infection incidence in pediatric kidney transplant recipients has seldom been investigated. The aim of our study was to evaluate the incidence and timing of CMV infection during the first year after renal transplantation. We assembled a retrospective cohort of 136 children who had received a kidney transplant between 2003 and 2014 with a year follow-up...
June 7, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29887269/-the-different-modalities-of-isonatric-hemodialysis
#10
Thierry Petitclerc, François Gaillard
Setting dialysate sodium allows to adequately adjust sodium balance and plasma sodium at the end of dialysis session. In accordance with the set-point theory based on the concept of restoring cellular hydration, an adequate target for plasma sodium at the end of the session could be the value of predialysis plasma sodium concentration (isonatric hemodialysis). Some recently available dialysis monitors provide an on-line value of plasma-water conductivity usually converted in on-line natremia. There are different modalities of isonatric hemodialysis depending on whether the online value of natremia is used or not...
June 7, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29887268/-description-of-immunosuppressive-maintenance-treatments-post-kidney-transplant-through-the-national-system-of-health-insurance
#11
Lola Sitruk, Cécile Couchoud, Maryvonne Hourmant, Philippe Tuppin, Marie-Alice Macher, Camille Legeai
The aim of this study was to describe the drug dispensing of maintenance immunosuppression treatment in 2014 for patients who received a kidney transplant in 2012, based on the data of the French national health insurance and to compare those results with the information collected in the national database for kidney recipients. For each patient, are considered all drugs dispensing with their dates of issue, the molecules and their presentations (number of pills and dosage). Among 2463 transplanted adults in 2012, 73% have received tacrolimus monohydrate, 59% mycophenolate mofetil, 54% prednisone and 20% cyclosporin in 2014...
June 7, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29887267/-immunizations-for-patients-with-kidney-disease
#12
Claire Trivin-Avillach, Éric Thervet
Chronic kidney disease (CKD) is associated with significant infectious complications leading to adverse health outcomes. This increased susceptibility to infection can be related to the nephropathy itself as observed in nephrotic syndrome, to the treatment especially in situations requiring immunosuppressive drugs or related to dialysis. Despite a less effective response to vaccination, some data emphasize similar benefits from immunization among people with CKD to the general population. However, some situations encountered in nephrology require adaptation of immunization practices...
June 7, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29887266/intracellular-organelles-in-health-and-kidney-disease
#13
Fateme Shamekhi Amiri
Subcellular organelles consist of smaller substructures called supramolecular assemblies and these in turn consist of macromolecules. Various subcellular organelles have critical functions that consist of genetic disorders of organelle biogenesis and several metabolic disturbances that occur during non-genetic diseases e.g. infection, intoxication and drug treatments. Mitochondrial damage can cause renal dysfunction as ischemic acute renal injury, chronic kidney disease progression. Moreover, mitochondrial dysfunction is an early event in aldosterone-induced podocyte injury and cardiovascular disease due to oxidative stress in chronic kidney disease...
June 7, 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29709532/-severe-hypercalcemia-of-unusual-cause-looking-for-the-culprit-case-report-and-review-of-the-literature
#14
M Jalbert, A Mignot, A-S Gauchez, A-C Dobrokhotov, J Fourcade
INTRODUCTION: Hypercalcemia is not a rare event and can lead to severe consequences. Its main etiologies are primary hyperparathyroidism and neoplasic conditions. The iatrogenic etiology by vitamin D intoxication is more rarely found. CASE PRESENTATION: A 76-year-old finish woman comes to the emergency room for chest pain. Her medical history is impossible to specify due to the language barrier and initial confusion. She has severe hypercalcaemia (4.14mmol/L), renal insufficiency, cardiac arrhythmia later complicated by an ischemic cardiac episode...
June 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29545131/-utilization-of-alfacalcidol-and-active-vitamin-d-analogs-in-chronic-kidney-disease
#15
Pablo Antonio Ureña-Torres, Mario Cozzolino, Jordi Bover
Secondary hyperparathyroidism (SHPT) is one of the most frequent and deleterious complication of chronic kidney disease (CKD). SHPT is also one of the principal components of the now called CKD-mineral and bone disorders (MBD) syndrome. It is usually prevented and treated by vitamin D derivatives. However, the rationale for the prescription of vitamin D sterols in those patients is still a matter of hotly debates, mainly because of unsatisfactory results from numerous observational and not well-controlled studies...
June 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29477277/two-year-management-after-renal-transplantation-in-2013-in-france-input-from-the-french-national-health-system-database
#16
Philippe Tuppin, Antoine Bessou, Camille Legeai, Cécile Vigneau, Cécile Couchoud
The objective of this study was to describe the management of patients undergoing renal transplantation in 2013 and over the following two years on the basis of healthcare consumption data. The National Health Insurance Information System was used to identify 1876 general scheme beneficiaries undergoing a first isolated renal transplantation (median age: 53 years; men 63%). Overall, 1.2% of patients died during the transplantation hospital stay (>65 years 3.3%) and 87% of patients had a functional graft at 2 years...
June 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29422322/-exceptional-etiology-of-acute-renal-burkitt-s-lymphoma
#17
Cherif Dial, Kwame Doh, Ibou Thiam, Mariam Faye, Gisèle Woto-Gaye
INTRODUCTION: Burkitt's lymphoma (BL) is an exceptional cause of acute renal failure (ARF). The origin of the tumor clone may be lymphoid follicles secondary to renal Epstein-Barr virus (EBV) infection. With the presentation of this clinical case, the pathogenesis, diagnostic criteria and evolution of this extremely rare affection will be discussed. OBSERVATION: A 4-year-old patient with a recent history of acute osteomyelitis of the right thigh presented an ARF without indications of post-infectious glomerulonephritis...
June 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29291942/-icodextrin-what-arguments-for-and-against-its-use-as-an-osmotic-agent-in-peritoneal-dialysis
#18
Benjamin Savenkoff, Fleuria Flechon-Meibody, Éric Goffin
Icodextrin is a glucose polymer derived from starch that is used as an osmotic agent in peritoneal dialysis. Its high molecular weight limits blood absorption and is useful for long dwell since there is few osmotic gradient dispersal. Its benefits are numerous: ltrafiltration optimization and better salt and water control especially in anuric patients with a high peritoneal permeability and also in case of infectious peritonitis, glucose sparing with less metabolic complications and a better preservation of peritoneal membrane, better biocompatibility...
June 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29291941/-the-recommendations-of-nephrologist-are-poorly-followed-by-the-primary-care-physician-the-example-of-vaccination-against-hepatitis-b
#19
Yves Dimitrov, Thierry Hannedouche, François Chantrel, Julien Ott, Marc Kribs, Alexandre Klein, Olivier Imhoff, Thierry Krummel
The relationship between specialist physician and primary care physician (PCP) has been poorly evaluated in France. We have studied the application of a specialist's recommendation by the PCP. Vaccination against hepatitis B in patients with chronic renal failure was the follow-up marker. After consultation, the nephrologist wrote in his report to the PCP that the vaccination was recommended. At the next nephrological consultation, the patient was asked if the PCP had proposed vaccination. The clinical, biological characteristics and history of the patients were recorded as well as number and location of the PCP consultations...
June 2018: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29289517/-dietary-acid-load-a-novel-target-for-the-nephrologist
#20
Philippe Chauveau, Catherine Lasseur, Céline Nodimar, Mathilde Prezelin-Reydit, Stanislas Trolonge, Christian Combe, Michel Aparicio
The acid production of endogenous origin depends mainly on the metabolism of the food and varies with the nature of these. Of the order of 1mEq/kg/day for contemporary food in industrialized countries, it is reduced by more than one third among vegetarians and close to neutrality among vegans. The dietary acid load is eliminated by the normal kidneys, thus maintaining the acid-base equilibrium. In the setting of CKD, it will overflow the capacities of the nephrons, generating a retention of H+ ions, promoting subclinical acidosis...
June 2018: Néphrologie & Thérapeutique
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