Subjects -> MEDICAL SCIENCES (Total: 8789 journals)
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UROLOGY, NEPHROLOGY AND ANDROLOGY (159 journals)                     

Showing 1 - 159 of 159 Journals sorted alphabetically
Acta Urológica Portuguesa     Open Access   (Followers: 1)
Actas Urológicas Españolas     Full-text available via subscription   (Followers: 3)
Actas Urológicas Españolas (English Edition)     Full-text available via subscription   (Followers: 1)
Advances in Chronic Kidney Disease     Full-text available via subscription   (Followers: 11)
Advances in Urology     Open Access   (Followers: 13)
African Journal of Nephrology     Open Access  
African Journal of Urology     Open Access   (Followers: 7)
AJP Renal Physiology     Hybrid Journal   (Followers: 8)
Aktuelle Urologie     Hybrid Journal   (Followers: 4)
American Journal of Kidney Diseases     Hybrid Journal   (Followers: 43)
American Journal of Men's Health     Open Access   (Followers: 9)
American Journal of Nephrology     Full-text available via subscription   (Followers: 38)
Andrologia     Hybrid Journal   (Followers: 2)
Andrology     Hybrid Journal   (Followers: 4)
Andrology & Gynecology : Current Research     Hybrid Journal   (Followers: 4)
Andrology and Genital Surgery     Open Access   (Followers: 7)
Andrology-Open Access     Open Access  
Annales d'Urologie     Full-text available via subscription  
Arab Journal of Nephrology and Transplantation     Open Access   (Followers: 1)
Arab Journal of Urology     Open Access   (Followers: 7)
Archives of Clinical Nephrology     Open Access   (Followers: 2)
Archivio Italiano di Urologia e Andrologia     Open Access   (Followers: 1)
Archivos Españoles de Urología     Open Access  
Asian Journal of Andrology     Open Access   (Followers: 1)
Asian Journal of Urology     Open Access   (Followers: 3)
Bangladesh Journal of Urology     Open Access   (Followers: 5)
BANTAO Journal     Open Access  
Basic and Clinical Andrology     Open Access  
BJU International     Hybrid Journal   (Followers: 34)
BJUI Compass     Open Access   (Followers: 2)
BMC Nephrology     Open Access   (Followers: 11)
BMC Urology     Open Access   (Followers: 14)
Canadian Journal of Kidney Health and Disease     Open Access   (Followers: 8)
Canadian Urological Association Journal     Open Access   (Followers: 2)
Cancer Urology     Open Access   (Followers: 2)
Cardiorenal Medicine     Full-text available via subscription   (Followers: 1)
Case Reports in Nephrology     Open Access   (Followers: 5)
Case Reports in Nephrology and Dialysis     Open Access   (Followers: 9)
Case Reports in Urology     Open Access   (Followers: 12)
Clinical and Experimental Nephrology     Hybrid Journal   (Followers: 4)
Clinical Journal of the American Society of Nephrology     Full-text available via subscription   (Followers: 22)
Clinical Kidney Journal     Open Access   (Followers: 4)
Clinical Medicine Insights : Urology     Open Access   (Followers: 3)
Clinical Nephrology     Full-text available via subscription   (Followers: 8)
Clinical Nephrology and Urology Science     Open Access   (Followers: 6)
Clinical Queries: Nephrology     Hybrid Journal   (Followers: 1)
Cuadernos de Cirugía     Open Access   (Followers: 3)
Current Opinion in Nephrology & Hypertension     Hybrid Journal   (Followers: 10)
Current Opinion in Urology     Hybrid Journal   (Followers: 12)
Current Urology     Open Access   (Followers: 10)
Current Urology Reports     Hybrid Journal   (Followers: 5)
Der Nephrologe     Hybrid Journal  
Der Urologe     Hybrid Journal   (Followers: 1)
Diabetic Nephropathy     Open Access   (Followers: 1)
EMC - Urología     Full-text available via subscription  
Enfermería Nefrológica     Open Access   (Followers: 1)
European Urology     Full-text available via subscription   (Followers: 33)
European Urology Focus     Hybrid Journal   (Followers: 5)
European Urology Oncology     Hybrid Journal   (Followers: 1)
European Urology Open Science     Open Access   (Followers: 10)
Forum Nefrologiczne     Full-text available via subscription  
Geriatric Nephrology and Urology     Hybrid Journal   (Followers: 7)
Giornale di Clinica Nefrologica e Dialisi     Open Access  
Herald Urology     Open Access   (Followers: 2)
Hong Kong Journal of Nephrology     Open Access   (Followers: 3)
Human Andrology     Partially Free   (Followers: 2)
IJU Case Reports     Open Access  
Indian Journal of Nephrology     Open Access   (Followers: 2)
Indian Journal of Urology     Open Access   (Followers: 5)
International Brazilian Journal of Urology     Open Access   (Followers: 5)
International Journal of Nephrology     Open Access   (Followers: 2)
International Journal of Nephrology and Renovascular Disease     Open Access   (Followers: 2)
International Journal of Urology     Hybrid Journal   (Followers: 12)
International Urology and Nephrology     Hybrid Journal   (Followers: 7)
Jornal Brasileiro de Nefrologia     Open Access  
Journal für Urologie und Urogynäkologie/Österreich     Hybrid Journal  
Journal of Clinical Nephrology     Open Access   (Followers: 2)
Journal of Clinical Urology     Hybrid Journal   (Followers: 14)
Journal of Endoluminal Endourology     Open Access  
Journal of Endourology     Hybrid Journal   (Followers: 2)
Journal of Endourology Case Reports     Hybrid Journal  
Journal of Genital System & Disorders     Hybrid Journal   (Followers: 3)
Journal of Integrative Nephrology and Andrology     Open Access   (Followers: 2)
Journal of Kidney Cancer and VHL     Open Access  
Journal of Lower Genital Tract Disease     Hybrid Journal  
Journal of Nephrology     Hybrid Journal   (Followers: 4)
Journal of Nephrology Research     Open Access   (Followers: 3)
Journal of Pediatric Nephrology     Open Access   (Followers: 5)
Journal of Renal Care     Hybrid Journal   (Followers: 8)
Journal of Renal Nursing     Full-text available via subscription   (Followers: 12)
Journal of Renal Nutrition     Hybrid Journal   (Followers: 28)
Journal of Renal Nutrition and Metabolism     Open Access   (Followers: 1)
Journal of the American Society of Nephrology     Full-text available via subscription   (Followers: 31)
Journal of The Egyptian Society of Nephrology and Transplantation     Open Access  
Journal of Translational Neurosciences     Open Access  
Journal of Urology     Full-text available via subscription   (Followers: 46)
Journal of Urology & Nephrology     Open Access   (Followers: 2)
Kidney Disease and Transplantation     Open Access   (Followers: 4)
Kidney Diseases     Open Access   (Followers: 3)
Kidney International     Hybrid Journal   (Followers: 47)
Kidney International Reports     Open Access   (Followers: 3)
Kidney Medicine     Open Access  
Kidney Research Journal     Open Access   (Followers: 6)
Kidneys (Počki)     Open Access   (Followers: 1)
Nature Reviews Nephrology     Full-text available via subscription   (Followers: 23)
Nature Reviews Urology     Full-text available via subscription   (Followers: 13)
Nefrología (English Edition)     Open Access  
Nefrología (Madrid)     Open Access  
Nephro-Urology Monthly     Open Access   (Followers: 1)
Nephrology     Hybrid Journal   (Followers: 13)
Nephrology Dialysis Transplantation     Hybrid Journal   (Followers: 27)
Nephron     Hybrid Journal   (Followers: 4)
Nephron Clinical Practice     Full-text available via subscription   (Followers: 4)
Nephron Experimental Nephrology     Full-text available via subscription   (Followers: 4)
Nephron Extra     Open Access   (Followers: 1)
Nephron Physiology     Full-text available via subscription   (Followers: 4)
Neurourology and Urodynamics     Hybrid Journal   (Followers: 1)
OA Nephrology     Open Access   (Followers: 2)
Open Access Journal of Urology     Open Access   (Followers: 6)
Open Journal of Nephrology     Open Access   (Followers: 5)
Open Journal of Urology     Open Access   (Followers: 6)
Open Urology & Nephrology Journal     Open Access  
Pediatric Urology Case Reports     Open Access   (Followers: 7)
Portuguese Journal of Nephrology & Hypertension     Open Access   (Followers: 1)
Progrès en Urologie     Full-text available via subscription  
Progrès en Urologie - FMC     Full-text available via subscription  
Prostate Cancer and Prostatic Diseases     Hybrid Journal   (Followers: 6)
Renal Failure     Open Access   (Followers: 12)
Renal Replacement Therapy     Open Access   (Followers: 4)
Research and Reports in Urology     Open Access   (Followers: 4)
Revista de Nefrología, Diálisis y Trasplante     Open Access   (Followers: 1)
Revista Mexicana de Urología     Open Access   (Followers: 1)
Revista Urologia Colombiana     Open Access  
Saudi Journal of Kidney Diseases and Transplantation     Open Access   (Followers: 2)
Scandinavian Journal of Urology     Hybrid Journal   (Followers: 7)
Seminars in Nephrology     Hybrid Journal   (Followers: 11)
The Prostate     Hybrid Journal   (Followers: 8)
Therapeutic Advances in Urology     Open Access   (Followers: 4)
Trends in Urology & Men's Health     Partially Free   (Followers: 1)
Ukrainian Journal of Nephrology and Dialysis     Open Access   (Followers: 1)
Uro-News     Hybrid Journal   (Followers: 1)
Urolithiasis     Hybrid Journal   (Followers: 2)
Urologia Internationalis     Full-text available via subscription   (Followers: 2)
Urologia Journal     Hybrid Journal  
Urologic Clinics of North America     Full-text available via subscription   (Followers: 4)
Urologic Nursing     Full-text available via subscription   (Followers: 4)
Urologic Radiology     Hybrid Journal  
Urological Science     Open Access  
Urologicheskie Vedomosti     Open Access  
Urologie in der Praxis     Hybrid Journal  
Urologie Scan     Hybrid Journal  
Urology     Hybrid Journal   (Followers: 33)
Urology Annals     Open Access   (Followers: 4)
Urology Case Reports     Open Access   (Followers: 3)
Urology Practice     Full-text available via subscription   (Followers: 2)
Urology Times     Free   (Followers: 3)
Urology Video Journal     Open Access   (Followers: 1)
World Journal of Nephrology and Urology     Open Access   (Followers: 15)
World Journal of Urology     Hybrid Journal   (Followers: 11)


Similar Journals
Journal Cover
Journal of Nephrology
Journal Prestige (SJR): 1.003
Citation Impact (citeScore): 2
Number of Followers: 4  
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1121-8428 - ISSN (Online) 1724-6059
Published by Springer-Verlag Homepage  [2652 journals]
  • Nomenclature in nephrology: preserving ‘renal’ and ‘nephro' in the
           glossary of kidney health and disease
    • Abstract: A recently published nomenclature by a “Kidney Disease Improving Global Outcomes” (KDIGO) Consensus Conference suggested that the word “kidney” should be used in medical writings instead of “renal” or “nephro” when referring to kidney disease and kidney health. Whereas the decade-old move to use “kidney” more frequently should be supported when communicating with the public-at-large, such as the World Kidney Day, or in English speaking countries in communications with patients, care-partners, and non-medical persons, our point of view is that “renal” or “nephro" should not be removed from scientific and technical writings. Instead, the terms can coexist and be used in their relevant contexts. Cardiologists use “heart” and “cardio” as appropriate such as “heart failure” and “cardiac care units” and have not replaced “cardiovascular” with “heartvessel”, for instance. Likewise, in nephrology, we consider that “chronic kidney disease” and “continuous renal replacement therapy” should coexist. We suggest that in scientific writings and technical communications, the words “renal” and “nephro" and their derivatives are more appropriate and should be freely used without any pressure by medical journals to compel patients, care-partners, healthcare providers, researchers and other stakeholders to change their selected words and terminologies. We call to embrace the terms “kidney”, “renal” and “nephro” as they are used in different contexts and ask that scientific and medical journals not impose terminology restrictions for kidney disease and kidney health. The choice should be at the discretion of the authors, in the different contexts including in scientific journals.
      PubDate: 2021-03-13
  • End-stage kidney disease in patients with clinically manifest vascular
           disease; incidence and risk factors: results from the UCC-SMART cohort
    • Abstract: Background Patients with cardiovascular disease (CVD) are at increased risk of end-stage kidney disease (ESKD). Insights into the incidence and role of modifiable risk factors for end-stage kidney disease may provide means for prevention in patients with cardiovascular disease. Methods We included 8402 patients with stable cardiovascular disease. Incidence rates (IRs) for end-stage kidney disease were determined stratified according to vascular disease location. Cox proportional hazard models were used to assess the risk of end-stage kidney disease for the different determinants. Results Sixty-five events were observed with a median follow-up of 8.6 years. The overall incidence rate of end-stage kidney disease was 0.9/1000 person-years. Patients with polyvascular disease had the highest incidence rate (1.8/1000 person-years). Smoking (Hazard ratio (HR) 1.87; 95% CI 1.10–3.19), type 2 diabetes (HR 1.81; 95% CI 1.05–3.14), higher systolic blood pressure (HR 1.37; 95% CI 1.24–1.52/10 mmHg), lower estimated glomerular filtration rate (eGFR) (HR 2.86; 95% CI 2.44–3.23/10 mL/min/1.73 m2) and higher urine albumin/creatinine ratio (uACR) (HR 1.19; 95% CI 1.15–1.23/10 mg/mmol) were independently associated with elevated risk of end-stage kidney disease. Body mass index (BMI), waist circumference, non-HDL-cholesterol and exercise were not independently associated with risk of end-stage kidney disease. Conclusions Incidence of end-stage kidney disease in patients with cardiovascular disease varies according to vascular disease location. Several modifiable risk factors for end-stage kidney disease were identified in patients with cardiovascular disease. These findings highlight the potential of risk factor management in patients with manifest cardiovascular disease. Graphic abstract
      PubDate: 2021-03-13
  • Explant of one graft due to technical complications in dual kidney
           transplants: analysis of the long-term function of the remaining kidney
    • PubDate: 2021-03-11
  • Thrombotic microangiopathy versus class IV lupus nephritis in systemic
           lupus erythematosus
    • Abstract: Background Kidney involvement is common in patients with systemic lupus erythematosus (SLE). This study investigates the clinical and prognostic characteristics of thrombotic microangiopathy (TMA) compared to class IV lupus nephritis in SLE patients. Methods A retrospective review of patients who underwent kidney biopsy, with a primary diagnosis of SLE and TMA between June 2006 and September 2018 was conducted. Those patients were subsequently compared to patients with class IV lupus nephritis between January 2018 and December 2018. Demographics, laboratory, and serological data at the time of biopsy were abstracted. Results Among 214 SLE patients records screened, 27 were included in the final analysis. Eight patients had lupus-related TMA without evidence of active lupus nephritis, while 19 patients had class IV lupus nephritis without evidence of TMA. TMA patients had significantly higher lactate dehydrogenase levels (718 ± 499 vs. 264 ± 107.7 U/L, p = 0.009), serum C3 (100.6 ± 39.3 vs. 65.8 ± 27 mg/dL, p = 0.049), white blood cell count (14743.8 ± 7933.3 vs. 5807.9 ± 2053.2 × 10E3/uL, p < 0.001), and total bilirubin (0.8 ± 0.5 vs. 0.3 ± 0.1 mg/dL, p = 0.007) in addition to significantly lower platelet counts (158.4 ± 88.6 vs. 240.3 ± 100.3 × 10E3/uL, p = 0.03), and haptoglobin (68.8 ± 116.1 vs. 166.8 ± 95.4 mg/dL, p = 0.03). After a median follow-up time of 53 weeks, 3 patients with TMA were dialysis-dependent (37.5%), compared with none in class IV lupus nephritis patients (p = 0.002). Conclusions TMA-associated SLE has worse prognosis compared to class IV lupus nephritis. An array of laboratory and pathological findings may be of value in discriminating between those two entities.
      PubDate: 2021-03-10
  • Severe hypomagnesemia
    • PubDate: 2021-03-09
  • Nephrology picture: intraglomerular metastases, an exceptional cause of
    • PubDate: 2021-03-09
  • The great help of a virus in the fight against bacteria!
    • PubDate: 2021-03-08
  • Don’t judge the book by its cover….
    • PubDate: 2021-03-08
  • Erectile dysfunction and coronary artery calcification in incident
           dialysis patients
    • Abstract: Purpose Erectile dysfunction, which has been associated with mortality in the general population, is common in individuals on hemodialysis. Our aim was to determine the relationship between erectile dysfunction, coronary artery calcification and mortality in incident hemodialysis patients. Materials and methods A prospective cohort of incident adult dialysis patients with no history of coronary artery disease underwent coronary artery calcification measurement by ECG-triggered multi-slice computed tomography (MSCT) scan at baseline and at least 12 months later. Erectile dysfunction was determined using the 15-item validated International Index of Erectile Function (IIEF-15) questionnaire. Results Erectile dysfunction was prevalent in 83% of patients, with 43% classified as severe erectile dysfunction, 22.4% as moderate erectile dysfunction, and 17.2% as mild erectile dysfunction. The median (IQR) coronary artery calcification score was 43.4 (0.25–353.8) for those with erectile dysfunction and 0 (0–0) for those without erectile dysfunction (p = 0.007). More than half (55.6%) of the patients with erectile dysfunction experienced progression of coronary artery calcification compared to 14.3% of patients without erectile dysfunction (p = 0.05). Mortality was 21% during an average follow-up of 5.2 (1.3) years. Twenty-three percent of patients with erectile dysfunction died compared to 10% of people without erectile dysfunction (p = 0.4). Erectile dysfunction was not significantly associated with mortality [HR 1.2 (1.3), p = 0.87]. Conclusions Erectile dysfunction is common in individuals who start dialysis. It is significantly associated with an increased coronary artery calcification score, however, it is not associated with increased mortality in incident dialysis patients with no history of coronary artery disease. Graphic abstract
      PubDate: 2021-03-08
  • Clinicopathological features, risk factors, and outcomes of immunoglobulin
           A nephropathy associated with hepatitis B virus infection
    • Abstract: Background Hepatitis B virus (HBV) infections are associated with an increased risk of kidney diseases. However, the effects of HBV infection on the prognosis of immunoglobulin A nephropathy (IgAN) are unclear. Methods A total of 838 patients with biopsy-confirmed IgAN were enrolled in this retrospective cohort study. The patients were categorized into either affected by IgAN and HBV infection (HBsAg-IgAN) or by primary IgAN with no sign of HBV infection (P-IgAN). A 1:1 propensity-score matching was performed between the two groups, followed by a Kaplan–Meier survival analysis, to compare the prognoses, and a Cox regression analysis, to identify factors influencing the HBsAg-IgAN outcomes. Results A total of 176 pairs of patients were successfully matched. A significant difference in the systolic blood pressure and urea, serum creatinine, uric acid, and 24-h urine protein levels was observed between the groups. A renal pathological analysis also revealed a significant difference in the mesangial hypercellularity between the groups. During a median follow-up period of 2.4 years, Kaplan–Meier analysis also revealed a significant difference in the renal survival between the groups. Furthermore, multivariate Cox analysis confirmed that HBV infection is an independent risk factor for IgAN progression (hazard ratio [HR] 2.096; 95% confidence interval [CI] 1.091–4.026). Finally, the HBsAg-IgAN patients who received treatment with renin–angiotensin–aldosterone system inhibitors had a better overall prognosis than those who received immunosuppressive therapy and antiviral treatment. Conclusion Our results indicate that the clinicopathological features and outcomes of patients with IgAN differ significantly between those with and without HBV infection, and that HBV is an independent risk factor for IgAN progression. Graphic abstract
      PubDate: 2021-03-08
  • A call to optimize haemodialysis vascular access care in healthcare
           disrupted by COVID-19 pandemic
    • Abstract: The COVID-19 pandemic has resulted in major disruption to the delivery of both routine and urgent healthcare needs in many institutions across the globe. Vascular access (VA) for haemodalysis (HD) is considered the patient’s lifeline and its maintenance is essential for the continuation of a life saving treatment. Prior to the COVID-19 pandemic, the provision of VA for dialysis was already constrained. Throughout the pandemic, inevitably, many patients with chronic kidney disease (CKD) have not received timely intervention for VA care. This could have a detrimental impact on dialysis patient outcomes in the near future and needs to be addressed urgently. Many societies have issued prioritisation to allow rationing based on clinical risk, mainly according to estimated urgency and need for treatment. The recommendations recently proposed by the European and American Vascular Societies in the COVID-19 pandemic era regarding the triage of various vascular operations into urgent, emergent and elective are debatable. VA creation and interventions maintain the lifeline of complex HD patients, and the indication for surgery and other interventions warrants patient-specific clinical judgement and pathways. Keeping the use of central venous catheters at a minimum, with the goal of creating the right access, in the right patient, at the right time, and for the right reasons, is mandatory. These strategies may require local modifications. Risk assessments may need specific “renal pathways” to be developed rather than applying standard surgical risk stratification. In conclusion, in order to recover from the second wave of COVID-19 and prepare for further phases, the provision of the best dialysis access, including peritoneal dialysis, will require working closely with the multidisciplinary team involved in the assessment, creation, cannulation, surveillance, maintenance, and salvage of definitive access.
      PubDate: 2021-03-08
  • Pregnancy outcomes in women with immunoglobulin A nephropathy: a
           nationwide population-based cohort study
    • Abstract: Background Immunoglobulin A nephropathy (IgAN) incidence peaks in childbearing age. Data on pregnancy outcomes in women with IgAN are limited. Methods We performed a register-based cohort study in a nationwide cohort of women with biopsy-verified IgAN in Sweden, comparing 327 pregnancies in 208 women with biopsy-verified IgAN and 1060 pregnancies in a matched reference population of 622 women without IgAN, with secondary comparisons with sisters to IgAN women. Adverse pregnancy outcomes, identified by way of the Swedish Medical Birth Register, were compared through multivariable logistic regression and presented as adjusted odds ratios (aORs). Main outcome was preterm birth (< 37 weeks). Secondary outcomes were preeclampsia, small for gestational age (SGA), low 5-min Apgar score (< 7), fetal or infant loss, cesarean section, and gestational diabetes. Results We found that IgAN was associated with an increased risk of preterm birth (13.1% vs 5.6%; aOR = 2.69; 95% confidence interval [CI] = 1.52–4.77), preeclampsia (13.8% vs 4.2%; aOR = 4.29; 95%CI = 2.42–7.62), SGA birth (16.0% vs 11.1%; aOR = 1.84; 95%CI = 1.17–2.88), and cesarean section (23.9% vs 16.2%; aOR = 1.74, 95%CI = 1.14–2.65). Absolute risks were low for intrauterine (0.6%) or neonatal (0%) death and for low 5-min Apgar score (1.5%), and did not differ from the reference population. Sibling comparisons suggested increased risks of preterm birth, preeclampsia, and SGA in IgAN, but not of cesarean section. Conclusion We conclude that although most women with IgAN will have a favorable pregnancy outcome, they are at higher risk of preterm birth, preeclampsia and SGA. Intensified supervision during pregnancy is warranted.
      PubDate: 2021-03-08
  • Living Well with Kidney Disease by patient and care-partner empowerment:
           Kidney Health for Everyone Everywhere
    • Abstract: Living with chronic kidney disease (CKD) is associated with hardships for patients and their care-partners. Empowering patients and their care-partners, including family members or friends involved in their care, may help minimize the burden and consequences of CKD-related symptoms to enable life participation. There is a need to broaden the focus on living well with kidney disease and re-engagement in life, including an emphasis on patients being in control. The World Kidney Day (WKD) Joint Steering Committee has declared 2021 the year of “Living Well with Kidney Disease” in an effort to increase education and awareness on the important goal of patient empowerment and life participation. This calls for the development and implementation of validated patient-reported outcome measures to assess and address areas of life participation in routine care. It could be supported by regulatory agencies as a metric for quality care or to support labeling claims for medicines and devices. Funding agencies could establish targeted calls for research that address the priorities of patients. Patients with kidney disease and their care-partners should feel supported to live well through concerted efforts by kidney care communities including during pandemics. In the overall wellness program for kidney disease patients, the need for prevention should be reiterated. Early detection with a prolonged course of wellness despite kidney disease, after effective secondary and tertiary prevention programs, should be promoted. WKD 2021 continues to call for increased awareness of the importance of preventive measures throughout populations, professionals, and policy makers, applicable to both developed and developing countries. Graphic abstract
      PubDate: 2021-03-06
  • Has time come to replace the residual acetate with citrate in the dialysis
    • PubDate: 2021-03-04
  • Comparison of 51 Cr-EDTA and 99m Tc-DTPA for glomerular filtration rate
    • Abstract: Purpose The production of 51Cr-labelled ethylenediaminetetraacetic acid (51Cr-EDTA), a validated and widely used radio-isotopic tracer for glomerular filtration rate (GFR) measurement in Europe, was recently halted by the manufacturer. Technetium-99m-diethylenetriaminepentaacetic acid (99mTc-DTPA) clearance has so far mostly been restricted to assessment of separate renal function by scintigraphy, but scarcely used and validated for GFR measurement. We compared the performances of 51Cr-EDTA and 99mTc-DTPA for GFR and extracellular fluid measurement. Methods In a multi-centre prospective study, 51Cr-EDTA and 99mTc-DTPA were simultaneously injected into 88 patients, and their urinary and plasma clearances, as well as their volumes of distribution, were measured during seven 30-min periods after a 90-min equilibrium time. Results Mean age was 52.2 ± 14.5 years, 59% were men. Urinary clearances of 51Cr-EDTA and 99mTc-DTPA were 64.1 ± 27.6 and 66.1 ± 28.0 mL/min, respectively, with a mean bias of 2.00 ± 2.25 mL/min, an accuracy within 10% of 95% [95% CI 91–99], and a coefficient of determination (R2) of 0.994. Plasma clearances of 51Cr-EDTA and 99mTc-DTPA were 66.1 ± 25.8 and 68.1 ± 26.6 mL/min, respectively, with a mean bias of 1.96 ± 3.32 mL/min, an accuracy within 10% of 91% [95% CI 85–97] and a R2 of 0.985. Distribution volumes were 17.3 ± 4.6 L for 51Cr-EDTA and 16.6 ± 4.6 L for 99mTc-DTPA (R2 0.930). Conclusion The accuracy and precision of 99mTc-DTPA clearance, compared to 51Cr-EDTA clearance, was excellent for both urinary and plasma clearance methods, despite an approximate 2 mL/min overestimation, showing that the tracer is a reliable alternative to 51Cr-EDTA for GFR measurement. Graphic abstract
      PubDate: 2021-03-04
  • Role of blood pressure dysregulation on kidney and mortality outcomes in
           COVID-19. Kidney, blood pressure and mortality in SARS-CoV-2 infection
    • Abstract: Background In February 2020 the corona virus disease 2019 (COVID-19) infection started spreading throughout Italy, hitting the Lombardy region very hard. Despite the high diffusion, only a subset of patients developed severe COVID-19: around 25% of them developed acute kidney injury (AKI) and one-third of them died. Elderly patients and patients with high comorbidities were identified as being at higher risk of severe COVID-19. Methods Our prospective observational cohort study includes 392 consecutive patients hospitalized for COVID-19 in Milan (median age 67 years, 75% male). We evaluated the relationship between blood pressure at presentation, presence of AKI at Emergency Department admission and during hospitalization, and total in-hospital mortality (24%). Results Although 58% of our study patients reported a history of hypertension (HYP) (86% on treatment), 30% presented with low blood pressure levels. Only 5.5% were diagnosed with AKI on admission; 75% of hypertensive patients discontinued therapy during hospitalization (only 20% were on treatment at discharge). Gender and hypertension were strongly associated with AKI at admission (odds ratio 11). Blood pressure was inversely correlated with increased risk of AKI upon admission, regardless of the severity of respiratory distress. Age over 65, history of hypertension, and severity of respiratory distress were the main predictors of AKI, which developed in 34.7% of cases during hospitalization. AKI was associated with increased in-hospital mortality. Hypertension and low blood pressure at presentation were the main predictors of in-hospital mortality, together with age over 65, baseline pulmonary involvement, and severity of illness. Conclusions In patients hospitalized for COVID-19, hypertension and low blood pressure at presentation are important risk factors for AKI and mortality. Early reduction of antihypertensive therapy may improve outcomes in patients with SARS-CoV-2 infection.
      PubDate: 2021-03-03
  • Using digital whole-slide images to evaluate renal amyloid deposition and
           its association with clinical features and outcomes of AL amyloidosis
    • Abstract: Background Few data are available quantifying the proportion of amyloid deposition in renal biopsy specimens. The aim of the study is to investigate the correlation between the proportion of amyloid deposition in renal biopsy and clinical characteristics of Chinese patients with immunoglobulin light-chain amyloidosis (AL amyloidosis). Methods 259 patients diagnosed with renal AL amyloidosis between 2003 and 2015 were studied retrospectively. We developed a digital, automated quantification method to evaluate amyloid deposits in glomeruli, vessels and interstitium on digital whole-slide images (WSIs). The associations between the proportion of amyloid-positive area in the renal biopsy and clinical manifestations were analyzed. Results The proportion (%) of amyloid-positive area in glomeruli, vessels, interstitium and the whole renal tissue were 11.81 ± 11.38, 14.14 ± 14.05, 3.34 ± 5.36 and 4.25 ± 5.77, respectively. The proportion of amyloid deposition in glomeruli, vessels and interstitium was positively correlated with serum creatinine (Scr), estimated glomerular filtration rate (eGFR) and urinary retinol binding protein (RBP). The proportion of glomerular amyloid deposition, age, urinary N-acetyl-b-D-glucosaminidase (NAG) and urinary RBP could independently predict the risk for overall death. The proportion (%) of amyloid-positive area in blood vessels, interstitium and the whole renal tissue, Scr, and urinary RBP were independent risk factors associated with renal survival. Conclusion A novel digital analysis algorithm was firstly developed to quantify the proportion of amyloid deposits in renal tissues based on digital WSIs. The degree and localization of amyloid deposits in the kidney evaluated by digital WSIs may have predictive value in assessing risk of outcome of AL amyloidosis. Graphical abstract
      PubDate: 2021-03-02
  • SARS-CoV-2 and Hemodialysis: diffusion and mortality in patients and
           health care team. Reflections from the Lombardy experience
    • PubDate: 2021-03-01
  • Association of urinary C-megalin with albuminuria and renal function in
           diabetes: a cross-sectional study (Diabetes Distress and Care Registry at
           Tenri [DDCRT 21])
    • Abstract: Background A urinary biomarker sensitive to glomerular functional or structural changes in diabetic kidney disease is required. This study examined whether urinary C-megalin reflects renal function or albuminuria in diabetes. Methods This was a cross-sectional study involving 1576 patients with type 1 or 2 diabetes. The exposure variables were estimated glomerular filtration rate (eGFR) and urinary albumin-to-creatinine ratio (UACR), and the outcomes were urinary C-megalin excretion and concentration. Two-part models were used to examine the associations between eGFR and UACR with urinary C-megalin excretion or concentration. Results The UACR was linearly associated with urinary C-megalin excretion (per 100 mg/gCr of UACR; 11.8 fM/gCr [95% CI 8.9–14.7]). There was no association between decreasing eGFR and increasing urinary C-megalin excretion. The UACR was also linearly associated with the urinary C-megalin concentration (per 100 mg/gCr of UACR, 7.7 fM/L [95% CI 5.8–9.6]). At eGFR values > 60 mL/min/1.73 m2, the eGFR and urinary C-megalin concentration were inversely linearly related (per 10 mL/min/1.73 m2 decline, 7.7 fM/L [95% CI 0.2–15.1]). Conclusion Urinary C-megalin excretion as well as concentration levels are potentially useful biomarkers to detect early changes in diabetic kidney disease.
      PubDate: 2021-03-01
  • Correction to: Citrate high volume on-line hemodiafiltration modulates
           serum Interleukin-6 and Klotho levels: the multicenter randomized
           controlled study “Hephaestus”
    • Abstract: A correction to this paper has been published:
      PubDate: 2021-02-24
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
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