ASN represents more than 21,000 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 24: Issue 4 (Oct 2025): End-Stage Kidney Disease is now available online.
UF Rate Multiplier will replace "Dry Wt" in the near future 1 hour ago
UF Rate prelude Routine casual nephrologist dialysis visits over middle 2 weeks of December 2025 at LNDC - WIDC - SDC of WFU-BMC Dialysis Units; ...
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RE: Challenging FSGS 2 hours ago
Although it appeared that there rituximab was not effective , I would not be so sure as the time to remission for primary NS is QUITE variable. whe...
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RE: Proteinuria after kidney transplant 3 hours ago
Thank you for your valuable input. I appreciate your insights and will take them into consideration. ------------------------------ Emad Odeh MD,...
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RE: Challenging FSGS 4 hours ago
Challenging case! I think early tapering of TAC is associated with early relapse and secondary resistance. I agree for steroids and I try (just s...
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RE: Hypokalemia , what is happening! 9 hours ago
Impaired urinary concentrating capacity is incompatible with extremely high urine creatinine concentration . Something does not fit in the lab resu...
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RE: Challenging FSGS 15 hours ago
Given his age, we discussed genetic testing, but because of lack of insurance that was not done… ------------------------------ M. Samih, MD, ...
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RE: Challenging FSGS 15 hours ago
------------------------------ M. Samih, MD, FACP, FASN, FASDIN Cayuga Medical Center Ithaca, NY, 14850 ------------------------------ Files At...
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RE: Challenging FSGS 15 hours ago
No kidney biopsy report attached. Please post a de-identified kidney biopsy report, including EM of available . Please also add Family history of k...
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Challenging FSGS 17 hours ago
Happy new year fellow nephrologists… I need your help on this very challenging case I have a 25-year-old international (white-middle Eastern) ...
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RE: Hypokalemia , what is happening! 18 hours ago
interesting , hmm, would her ability to push that osm to maximal concentratation be impacted probably by her low osm load(intake), also by hypokale...
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RE: Hypokalemia , what is happening! 19 hours ago
But the UOSM was "only" 660, a long way from maximal concentration, suggested by the Very high spot urine creatinine. Something doesn't fit here! ...
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RE: Hypokalemia , what is happening! 20 hours ago
All very educational thank you ! those were spot samples a week or so apart , no 24 hour urine unfortunately, I am also assuming very concentrate...
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RE: Gap Acidosis 1 day ago
I thought I had submitted a note yesterday, but I don't see it here. Re Dr. Glassock's question – the vast majority of cases of 5-oxoproline induce...
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RE: Hypokalemia , what is happening! 1 day ago
Interesting but not a straightforward case. 1. We need at least a VBG to determine if we are dealing with metabolic alkalosis or a compensated res...
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RE: Concomitant use of Patiromer and Sod. Zirconium 1 day ago
I guess the colon is the new Nepron --------------------------------- Dr. Hormaz Dastoor. MD, FASN Nephrology Consultant - Seha Kidney Care. Nephr...
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RE: Concomitant use of Patiromer and Sod. Zirconium 1 day ago
When multiple treatments and rightly so, have been employed to treat HyperK, its hard to know relative contribution of each in resolution of Hyper-...
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RE: Hypokalemia , what is happening! 1 day ago
With the chronic diarrhea, one could consider a villous adenoma as a cause of electrolyte depletion. And though most villous adenomas will lead to ...
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RE: Intradialytic hypertension 1 day ago
thank you for the comment BIC - is a new tool , that measures real time SVR, Cardiac output , Cardiac index , Thoracic Fluid Content (TFC) and a...
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RE: Concomitant use of Patiromer and Sod. Zirconium 1 day ago
the creatinine remained stable during diuresis his urine volume averaged around 1.5-1.7 liters per day for last 3 days I had asked for Urine ly...
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RE: Intradialytic hypertension 1 day ago
Dr Dastoor Happy you are making headway Why not ultrafilter those 300 grams of volume gain? It is equivalent to around 3 grams of table salt and ev...
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RE: Concomitant use of Patiromer and Sod. Zirconium 1 day ago
Dr. Dastoor: Was urine output increasing and SCr decreasing as serum potassium decreased? Since patient was being treated for decompensated CHF, in...
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RE: Hypokalemia , what is happening! 1 day ago
Looks like a resolving metabolic alkalosis due to emeries with hypovolemia and secondary hyperaldo. since she is an outpatient must consider the t...
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RE: Intradialytic hypertension 1 day ago
Further to my previous post , we repeated " BIC - Bioimpedence Cardiography " - on his next dialysis His interdialytic weight gain was 0.3 kg an...
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RE: Concomitant use of Patiromer and Sod. Zirconium 1 day ago
After this question was published , i was always waiting for an opportunity to use both drugs simultaneously . Recently we had a 70 year old p...
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RE: IgA nephropathy with nephrotic syndrome 1 day ago
Thecsame is true with anti-APRIL and anti-APRIL .BAFF- when the drugs are stopped proteinuria returns and eGFR declines. No currently available dru...
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RE: IgA nephropathy with nephrotic syndrome 1 day ago
Thanks prof glassock For colleagues reading this thread This case is NOT STANDARD Ig A nephropathy I was looking into the question “does MMF wor...
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RE: Hypokalemia , what is happening! 1 day ago
Chronic hypokalemia causes chloride loss- NKCC2 inhibition in loop of henle --------------------------------- Dr. Hormaz Dastoor. MD, FASN Nephrol...
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RE: Hypokalemia , what is happening! 1 day ago
The urine creatinine concentration seems quite high. Are you sure these are correct (in mg/dL) What is the 24 hour urine volume? ----------------...
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RE: Hypokalemia , what is happening! 1 day ago
Nice explanation! I didnt factor in the supplements into the mix. That fits nicely! Thank you ------------------------------ Marwan Abu Minshar M...
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RE: Hypokalemia , what is happening! 1 day ago
Seems a case extra renal losses of potassium with persistent alkalosis due to post hypokalemia alkalosis ( chronically hypokalemic ) the urine ch...
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Hypokalemia , what is happening! 1 day ago
The questions 1. is this renal potassium loss ? 2. how can I explain an elevated urine chloride in setting of a serum bicarb of 31 49 female ...
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RE: IgA nephropathy with nephrotic syndrome 1 day ago
Yes- I think this is a valid study. MMF monotherapy added to Standard of care can have real benefits, but this trial dies not help much in identify...
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RE: Steroid taper in IgM-dominant immune complex GN (Sjögren's uncertain) 1 day ago
Thanks- I would stop the hydralazine., even though it is not the cause of the IgM deposition disease. It is just too risky. . You have done what yo...
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RE: Gap Acidosis 1 day ago
Do u know if the liter of bicarbonate was in D5w ? On possible scenario, if this is a ketoacidosis ( starvation ) that quickly resolved with the ...
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RE: Steroid taper in IgM-dominant immune complex GN (Sjögren's uncertain) 1 day ago
Hydralazine was initiated only after admission for acute GN (presenting SBPs >200s); no known prior exposure. Home meds before presentation include...
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RE: Steroid taper in IgM-dominant immune complex GN (Sjögren's uncertain) 1 day ago
C3 123 mg/dL, C4 17 mg/dL, RF < 13 IU ------------------------------ Lawrence Kwon MD Westchester Medical Center Valhalla, NY (845) 330-3541 ----...
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RE: Steroid taper in IgM-dominant immune complex GN (Sjögren's uncertain) 1 day ago
Thank you very much for your quick response. C3/C4 normal, RF negative. Cryoglobulins pending. Hep B/C and paraprotein workup negative. I'll consul...
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RE: Steroid taper in IgM-dominant immune complex GN (Sjögren's uncertain) 1 day ago
I see now that SSA and SSB are negative... hard to buy this SS related with this information I'd still do C3 C4 and RF. and clearly MPGN oth...
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RE: Steroid taper in IgM-dominant immune complex GN (Sjögren's uncertain) 1 day ago
IgM dominant non-cryoglobulinemic MPGN has been reported as a possible drug induced disease - any history of Hydralazine use? Was the Polytypism of...
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RE: Steroid taper in IgM-dominant immune complex GN (Sjögren's uncertain) 1 day ago
the MPGN pattern in a pt with SS is highly suggestive of mixed cryo and is often a SS related lymphoma related to chronic lymphocytic stimulation. ...
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RE: IgA nephropathy with nephrotic syndrome 1 day ago
Thanks prof glassock. Appreciate your input and learn from you . JAMA Netw Open. 2023 Feb 6;6(2):e2254054. doi: 10.1001/jamanetworkopen.2022.5405...
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RE: IgA nephropathy with nephrotic syndrome 2 days ago
In open label (placebo controlled) trials where the patient knows what drug is being given, subjective adverse events,( pain .nausea, headache, fat...
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RE: IgA nephropathy with nephrotic syndrome 2 days ago
Thanks prof glassock . I was curious to look into why Rituximab does not work in IgA ( standard IgA cases not like in this case ) I then came acro...
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RE: Gap Acidosis 2 days ago
She was not on SGLT2i. When bicarb dropped to 13 on Day4, it didn't make any sense to me and requested Betahydroxybutyrate, Osmolal gap, and trigly...
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Steroid taper in IgM-dominant immune complex GN (Sjögren's uncertain) 2 days ago
Subject: Steroid taper in IgM-dominant immune complex GN (Sjögren's uncertain) Dear colleagues, I would appreciate input on steroid strategy in t...
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RE: Proteinuria after kidney transplant 2 days ago
Please see Shamseddin M et al 2011; 6:1786-1793 for a very well done study of the expected levels of proteinuria shortly following kidney transplan...
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RE: Proteinuria after kidney transplant 2 days ago
Thank you all for sharing your thoughtful insights. To address the points raised sequentially: There was indeed gross hematuria immediately af...
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RE: Gap Acidosis 2 days ago
Thanks Dr. Emmett. How many days of use is required for Paracetamol use to deplete glutathione? Could a diabetic kidney transplant recipient be pre...
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RE: IgA nephropathy with nephrotic syndrome 2 days ago
Dr. Soobadar- it is still debated wihether a diffuse podocytopathy in "IgAN" is the consequence of an uncommon variant IgAN ir merely the consequen...
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RE: Gap Acidosis 2 days ago
Well these chemistries have me stumped. I converted the units on day 5 to mg% for our USA members (like me) who may be challenged by IU s. Na 133/K...
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