ASN represents more than 20,000 kidney health professionals working to help people with kidney diseases and their families. Comprised of all of ASN's focus areas, the ASN Alliance for Kidney Health allows the society to continue its growth and work towards the goal of a world without kidney diseases.
The latest Nephrology Self-Assessment Program (nephSAP) issue, Volume 25: Issue 1 (Jun 2026): Electrolytes and Acid-Base Disorders is now available online.
RE: pr3 +ve is it endocarditis ? 1 hour ago
@Richard Glassock, with all due respect, Claude should be consulting you. ------------------------------ Roger Rodby MD, FASN Professor of Medic...
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RE: Anti-PLA2R antibody +ve MN on a background of malignancy 5 hours ago
There is a increased prevalence of cancer in PLA2R patients but I am not convinced it is pathogenic (See attached) I dont trust PLA2R titer of (...
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RE: C3G Or FSGS 7 hours ago
The degree of C3 staining (occasional, 1-2+ segmental) with some mesangial hypercellularity and the absence of electron dense deposits to me is not...
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RE: C3G Or FSGS 9 hours ago
Please see attached biopsy reports .. Am actually on vacation without a laptop and can't post the biopsy into the body of this message . Thanks ...
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Anti-PLA2R antibody +ve MN on a background of malignancy 9 hours ago
Mr. G.N. is a 74-year-old gentleman with the following past medical history: Peripheral vascular disease (right-sided claudication that did not r...
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RE: C3G Or FSGS 10 hours ago
A difficult case to classify, but in my opinion this is most compatible with a presentation of Primary FSGS, not C3GN. Isolated deposits of C3 have...
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C3G Or FSGS 11 hours ago
Have a 24 year old young prisoner . He presented from the prison in June 2026, with sudden onset of nephrotic syndrome . Initial labs , showed ...
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RE: pr3 +ve is it endocarditis ? 13 hours ago
I agree , despite the cost , under appropriate conditions , i also agree it seems justified . Will be keen to consider this test in the future .. t...
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RE: pr3 +ve is it endocarditis ? 14 hours ago
Dr. Dastoor. Thanks for your clinical perspective on this novel test. My experience is limited (n=1)- where the result made a big difference in man...
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RE: pr3 +ve is it endocarditis ? 16 hours ago
"Occasionally it’s helpful but most of the time It picks up zillions of DNA. Too much background noise, we need to figure out which is the true pat...
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RE: pr3 +ve is it endocarditis ? 16 hours ago
Karius test is proprietary, owned by Karius, Inc. Please see following reference: https://kariusdx.com/resources/press-releases/karius-announce...
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RE: pr3 +ve is it endocarditis ? 19 hours ago
How can you be sure that the kidney function is improving? he is seriously ill and muscle creatinine generation may be impaired . A serum Cystatin ...
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RE: pr3 +ve is it endocarditis ? 21 hours ago
if IE is causing pos ANCa/PR3 POS why is kidney function improving without specific anti-infection treatment , also hypercalcemia is not associated...
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RE: Steroid-refractory seronegative demyelinating encephalitis in a kidney transplant recipient 22 hours ago
thanks-given stable eGFR but significant proteinuria/albuminuria-would add low dose TAC and follow trough levels( goal< 5) , FYI probably need to w...
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RE: Steroid-refractory seronegative demyelinating encephalitis in a kidney transplant recipient 22 hours ago
yes total protein cr and Acr ------------------------------ Vijayakumar Paramasivam MD Nephrologist Renal and Transplant Associates of the North...
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RE: pr3 +ve is it endocarditis ? 22 hours ago
Bartonella endocarditis can be very difficult to diagnosis and is uniformly " culture negative" . PCR testing is a real advance. Agree - no Immunos...
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RE: pr3 +ve is it endocarditis ? 22 hours ago
Thanks for educational input from everyone --------------------------------- Muhammad Soobadar MBChB UK ---------------------------------
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RE: pr3 +ve is it endocarditis ? 22 hours ago
I Assume once toe shows vegetation and blood cultures negative then start looking at culture negative endocarditis screen ? ---------------------...
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RE: pr3 +ve is it endocarditis ? 23 hours ago
Patient not on antibiotics . Awaiting cultures Creatinine improving as attached with improving calcium Chloride normal will send value . What are ...
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RE: pr3 +ve is it endocarditis ? 1 day ago
I have used it once to detect a Bartonella endocarditis. A phenomenonal test. Virtually no false positives and false negatives seem to be uncommon....
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RE: pr3 +ve is it endocarditis ? 1 day ago
Dr Venkat, I was going to reference this test but I couldn't think of it... But it is an amazing tool or so I have read! ----------------...
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RE: pr3 +ve is it endocarditis ? 1 day ago
The Karius cell-free microbial DNA test is claimed to detect ~ 1000 microbial DNAs in blood sample. We had a recent case in which our infectious di...
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RE: pr3 +ve is it endocarditis ? 1 day ago
I agree with Dr. Rodby 100%.!!! ------------------------------ Richard Glassock MD, FASN Emeritus Professor Geffen School of Medicine at UCLA Lag...
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RE: pr3 +ve is it endocarditis ? 1 day ago
Besides blood cultures I would get titers for various organisms such as Bartonella, Coxiella, Gamella, and any other rare culture negative SBE orga...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
@David Wilhelm "Thanks for the response, Roger! This may sound like a stupid question, but can you give an explanation (or provide me a resour...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
Am I missing something? "UPCR showed total protein 347 mg/dL and Cr 81 mg/dL (ratio 4.27). Initial UPCR showed total protein 128 mg/dL and Cr 19 mg...
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RE: pr3 +ve is it endocarditis ? 1 day ago
Dr. Soobadar: What is the SCr trend? Is the patient on antibiotics for presumed endocarditis? If SCr is improving on antibiotics, infection-related...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
"Kudos to biopsy a solitary kidney" thanks DR. Rodby for stimulating me to ask ( remember I have done hundreds of transplant kidney biopsies (solit...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
I am not "against" use of sibeprenlimab (or atacicept) in this case, But this is relatively advanced disease and a T2 lesion would gave excluded th...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
Check serum Gd-IgA1 and APRIL levels if possible to confirm sibeprenlimab pharmacodynamic activity. Check serum IgA, IgG, IgM levels - these ...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
My recommendation is based on personal experience . Ideally you should have seen a response in terms of uPCR reduction by 3 months . In the studie...
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RE: pr3 +ve is it endocarditis ? 1 day ago
Back in the days when PTH assay was in its infancy, biomarkers for PTH excess were in vogue. A nice paper by Palmer in 1974 Annals of Internal Medi...
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RE: Steroid-refractory seronegative demyelinating encephalitis in a kidney transplant recipient 1 day ago
Please clarify PCR ? ACR ? ------------------------------ [Mark] [Lerman] [MD,FASN,FACP,FAST] AST KPCOP EC [Past Medical Director Kidney Pancreas...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
Thanks for the response! Is your preference for steroids just based on experience alone or are you not yet wanting to use the BAFF/APRIL inhibitors...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
Given my personal experience, I would have preferred to start with oral steroids , unless there are strong contraindications. However , after 3 mo...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
The variation in urine creatinine concentration in a "spot" un timed urine sample tells you virtually nothing about 24 hour urine creatinine excret...
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RE: pr3 +ve is it endocarditis ? 1 day ago
Granulomas in PR3-+ Vasculitis can occasionally lead the hypercalcemia, which is excess 1,25 dihydroxy vitamin D driven, thus iPTH levels should be...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
Appreciate the response, Dr. Glassock! He is not obese. BMI is 30. ------------------------------ David Wilhelm DO Nephrologist Nephrology Consul...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
Albumin in February was 3.0. Current albumin is 3.3. No current edema. He did have some at the time of the initial visit but made improvement with ...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
Thanks for the response, Roger! This may sound like a stupid question, but can you give an explanation (or provide me a resource so I can read more...
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RE: pr3 +ve is it endocarditis ? 1 day ago
Thanks prof glassock Wednesday PET . Outpatient toe requested by id team. Have contacted cardio for inpatient TOE ( hopefully this week) High cal...
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RE: pr3 +ve is it endocarditis ? 1 day ago
The elevated Anti-PR3 is highly likely to be due to Endocarditis. When will you be doing a Trans-esophageal Echocardiograph .? ------------------...
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RE: pr3 +ve is it endocarditis ? 1 day ago
Rf raised 79 (0-14) C3/c4 not back Hiv negative , syphilis negative --------------------------------- Muhammad Soobadar MBChB UK -------------...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
With a solitary kidney at least some of the proteinuria is due to maladaptive capillary hypertension. Too early to tell about beneficial effects of...
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RE: pr3 +ve is it endocarditis ? 1 day ago
What is the serum Rheumatoid Factor Level and the C3 And C4 levels?Is the HIV testing negative,? ------------------------------ Richard Glassock ...
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pr3 +ve is it endocarditis ? 1 day ago
54 MALE Constitutional symptoms ( hx of endocarditis 2023 in the context of TOF/Congenital Heart Disease) feeling unwell since Feb 26 --> 2 st...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
Serum albumin trend? Any edema? Size of right kidney/is it hypertrophied/echogenicity? ------------------------------ K.K. Venkat MD Troy MI (248...
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RE: Hyperfiltration/IgA nephropathy 1 day ago
1) Kudos to biopsy a solitary lkidney 2) Kudos to being aggressive with APRIL inhibitor (started in April btw) 3) This is advanced disease whe...
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Hyperfiltration/IgA nephropathy 2 days ago
I have a patient I would like to present for advice. 57 y.o. male with history of aortic dissection involving left renal artery in 2015 with resu...
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RE: young girl with Chronic TI dz 2 days ago
THanks for mentioning us Roger and Dick! I agree with your thoughts and am interested to test! Tony ------------------------------ Anthony Bleyer...
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