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Article ; Online: Metabolic Differences in Diabetic Kidney Disease Patients with Normoalbuminuria versus Moderately Increased Albuminuria.

Hallan, Stein I / Øvrehus, Marius A / Darshi, Manjula / Montemayor, Daniel / Langlo, Knut A / Bruheim, Per / Sharma, Kumar

Kidney360

2023 Volume 4, Issue 10, Page(s) 1407–1418

MeSH term(s)	Humans ; Diabetic Nephropathies ; Albuminuria ; Diabetes Mellitus, Type 2/complications ; Glomerular Filtration Rate
Language	English
Publishing date	2023-08-24
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
ISSN	2641-7650
ISSN (online)	2641-7650
DOI	10.34067/KID.0000000000000248
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Article ; Online: Direction- and Angle-Assisted Buttonhole Cannulation of Arteriovenous Fistula in Hemodialysis Patients: A Multicenter Randomized Controlled Trial.

Rønning, Marit I / Benschop, Willem P / Øvrehus, Marius A / Hultstrøm, Maria / Hallan, Stein I

Kidney medicine

2021 Volume 4, Issue 2, Page(s) 100393

Abstract: Rationale & objective: Arteriovenous fistula cannulation with the buttonhole technique is often preferred by patients but has been associated with an increased infection risk. Guidelines disagree on whether it should be abandoned, thus we assessed a ... ...

Abstract	Rationale & objective: Arteriovenous fistula cannulation with the buttonhole technique is often preferred by patients but has been associated with an increased infection risk. Guidelines disagree on whether it should be abandoned, thus we assessed a technologically simple method to facilitate gentler arteriovenous fistula cannulation with potentially less discomfort and damage to the epithelial lining of the buttonhole tract. Study design: 8-week, prospective, open-label, randomized controlled trial. Setting & participants: Patients with buttonhole tracts receiving hemodialysis at 7 dialysis centers in Norway were randomized to the intervention group (43 patients, 658 cannulations) or control group (40 patients, 611 cannulations). Intervention: Direction and angle of the established buttonhole tract were marked on the forearm skin in the intervention group, whereas the control group had no structured cannulation information system. Outcomes: The primary outcome was successful cannulation, defined as correct placement of both blunt needles at the first attempt without needing to change needles, perform extra perforations, or reposition the needle. The secondary outcomes were patient-reported difficulty of cannulation (verbal rating scale: 1 = very easy, 6 = impossible) and intensity of pain (numeric rating scale: 0 = no pain, 10 = unbearable pain). Results: After a 2-week run-in period, successful cannulation was achieved in 73.9% and 74.8% of the patients in the intervention and control groups, respectively (relative risk [RR], 0.99; 95% CI, 0.87-1.12; Limitations: Unable to evaluate hard end points such as infections and thrombosis owing to the small sample size. Conclusions: Marking direction and angle of cannulation did not improve cannulation success rates; however, patients more often reported an unproblematic procedure and less pain. Funding: None. Trial registration: ClinicalTrials.gov (NCT01536548).
Language	English
Publishing date	2021-12-01
Publishing country	United States
Document type	Journal Article
ISSN	2590-0595
ISSN (online)	2590-0595
DOI	10.1016/j.xkme.2021.10.006
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Article ; Online: Kidney function for the non-nephrologist: an emerging tool for predicting mortality risk.

Hallan, Stein I

Kidney international

2011 Volume 79, Issue 1, Page(s) 8–10

Abstract: Estimated glomerular filtration rate (eGFR) and albuminuria are among the most important cardiovascular risk factors, but the optimal cutoff for predicting mortality may not yet have been agreed upon. Foley et al. analyzed data from the population-based ... ...

Abstract	Estimated glomerular filtration rate (eGFR) and albuminuria are among the most important cardiovascular risk factors, but the optimal cutoff for predicting mortality may not yet have been agreed upon. Foley et al. analyzed data from the population-based NHANES III study with classification tree methodology. They found that an eGFR of 94 ml/min per 1.73 m(2) and an albumin-creatinine ratio of 9 mg/g were the optimal cutoff values, that is, more 'normal' values than are used to define chronic kidney disease.
MeSH term(s)	Albuminuria ; Creatinine/urine ; Glomerular Filtration Rate ; Humans ; Kidney Failure, Chronic/complications ; Mortality ; Predictive Value of Tests ; ROC Curve ; Risk Assessment/methods
Chemical Substances	Creatinine (AYI8EX34EU)
Language	English
Publishing date	2011-01
Publishing country	United States
Document type	Comment ; Journal Article
ZDB-ID	120573-0
ISSN	1523-1755 ; 0085-2538
ISSN (online)	1523-1755
ISSN	0085-2538
DOI	10.1038/ki.2010.362
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Zs.A 797: Show issues

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Article ; Online: The Possibilities to Improve Kidney Health with Proteomics.

Hallan, Stein Ivar

Clinical journal of the American Society of Nephrology : CJASN

2017 Volume 12, Issue 8, Page(s) 1206–1208

Language	English
Publishing date	2017-07-21
Publishing country	United States
Document type	Editorial ; Comment
ZDB-ID	2226665-3
ISSN	1555-905X ; 1555-9041
ISSN (online)	1555-905X
ISSN	1555-9041
DOI	10.2215/CJN.06200617
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Zs.A 6584: Show issues

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Article ; Online: Changes in Natriuretic Peptide Levels and Subsequent Kidney Function Decline in SPRINT.

Ascher, Simon B / Berry, Jarett D / Katz, Ronit / de Lemos, James A / Bansal, Nisha / Garimella, Pranav S / Hallan, Stein I / Wettersten, Nicholas / Jotwani, Vasantha K / Killeen, Anthony A / Ix, Joachim H / Shlipak, Michael G

American journal of kidney diseases : the official journal of the National Kidney Foundation

2023 Volume 83, Issue 5, Page(s) 615–623.e1

Abstract: Rationale & objective: Novel approaches to the assessment of kidney disease risk during hypertension treatment are needed because of the uncertainty of how intensive blood pressure (BP) lowering impacts kidney outcomes. We determined whether ... ...

Abstract	Rationale & objective: Novel approaches to the assessment of kidney disease risk during hypertension treatment are needed because of the uncertainty of how intensive blood pressure (BP) lowering impacts kidney outcomes. We determined whether longitudinal N-terminal pro-B-type natriuretic peptide (NT-proBNP) measurements during hypertension treatment are associated with kidney function decline. Study design: Prospective observational study. Setting & participants: 8,005 SPRINT (Systolic Blood Pressure Intervention Trial) participants with NT-proBNP measurements at baseline and 1 year. Exposure: 1-year change in NT-proBNP categorized as a ≥25% decrease, ≥25% increase, or <25% change (stable). Outcome: Annualized change in estimated glomerular filtration rate (eGFR) and ≥30% decrease in eGFR. Analytical approach: Linear mixed-effect and logistic regression models were used to evaluate the association of changes in NT-proBNP with subsequent annualized change in eGFR and ≥30% decrease in eGFR, respectively. Analyses were stratified by baseline chronic kidney disease (CKD) status. Results: Compared with stable 1-year NT-proBNP levels, a ≥25% decrease in NT-proBNP was associated with a slower decrease in eGFR in participants with CKD (adjusted difference, 1.09%/y; 95% CI, 0.35-1.83) and without CKD (adjusted difference, 0.51%/y; 95% CI, 0.21-0.81; P = 0.4 for interaction). Meanwhile, a ≥25% increase in NT-proBNP in participants with CKD was associated with a faster decrease in eGFR (adjusted difference, -1.04%/y; 95% CI, -1.72 to -0.36) and risk of a ≥30% decrease in eGFR (adjusted odds ratio, 1.44; 95% CI, 1.06-1.96); associations were stronger in participants with CKD than in participants without CKD (P = 0.01 and P < 0.001 for interaction, respectively). Relationships were similar irrespective of the randomized BP arm in SPRINT (P > 0.2 for interactions). Limitations: Persons with diabetes and proteinuria >1 g/d were excluded. Conclusions: Changes in NT-proBNP during BP treatment are independently associated with subsequent kidney function decline, particularly in people with CKD. Future studies should assess whether routine NT-proBNP measurements may be useful in monitoring kidney risk during hypertension treatment. Plain-language summary: N-terminal pro-B-type natriuretic peptide (NT-proBNP) is a biomarker in the blood that reflects mechanical stress on the heart. Measuring NT-proBNP may be helpful in assessing the risk of long-term losses of kidney function. In this study, we investigated the association of changes in NT-proBNP with subsequent kidney function among individuals with and without chronic kidney disease. We found that increases in NT-proBNP are associated with a faster rate of decline of kidney function, independent of baseline kidney measures. The associations were more pronounced in individuals with chronic kidney disease. Our results advance the notion of considering NT-proBNP as a dynamic tool for assessing kidney disease risk.
MeSH term(s)	Humans ; Female ; Male ; Natriuretic Peptide, Brain/blood ; Prospective Studies ; Middle Aged ; Glomerular Filtration Rate ; Peptide Fragments/blood ; Aged ; Hypertension/blood ; Renal Insufficiency, Chronic/blood ; Renal Insufficiency, Chronic/physiopathology ; Biomarkers/blood ; Disease Progression ; Antihypertensive Agents/therapeutic use
Chemical Substances	Natriuretic Peptide, Brain (114471-18-0) ; pro-brain natriuretic peptide (1-76) ; Peptide Fragments ; Biomarkers ; Antihypertensive Agents
Language	English
Publishing date	2023-11-20
Publishing country	United States
Document type	Journal Article ; Observational Study ; Research Support, N.I.H., Extramural ; Randomized Controlled Trial ; Research Support, Non-U.S. Gov't
ZDB-ID	604539-x
ISSN	1523-6838 ; 0272-6386
ISSN (online)	1523-6838
ISSN	0272-6386
DOI	10.1053/j.ajkd.2023.09.018
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Zs.A 1669: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 468: Show issues

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Article: Prunus necrotic ringspot virus: incidence on stone and pome fruits and diversity analysis

Chandel, V. / Rana, T. / Hallan, V.

Archives of phytopathology and plant protection

2013 Volume 46, Issue 17/20, Page(s) 2376

Language	German
Document type	Article
ZDB-ID	1133322-4
ISSN	0323-5408
Database	Current Contents Nutrition, Environment, Agriculture

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Z 2178: Show issues

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Article ; Online: Moderator's view: Estimating glomerular filtration rate--the past, present and future.

Hallan, Stein I / Gansevoort, Ron T

Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association

2013 Volume 28, Issue 6, Page(s) 1404–1406

MeSH term(s)	Creatinine/blood ; Glomerular Filtration Rate ; Health Status Indicators ; Humans ; Kidney Transplantation ; Renal Insufficiency, Chronic/diagnosis ; Renal Insufficiency, Chronic/epidemiology
Chemical Substances	Creatinine (AYI8EX34EU)
Language	English
Publishing date	2013-06
Publishing country	England
Document type	Comment ; Journal Article
ZDB-ID	90594-x
ISSN	1460-2385 ; 0931-0509
ISSN (online)	1460-2385
ISSN	0931-0509
DOI	10.1093/ndt/gfs607
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Zs.A 2198: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 329: Show issues

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Article: Prunus necrotic ringspot virus: incidence on stone and pome fruits and diversity analysis

Chandel, V / Rana, T / Hallan, V

Archiv für Phytopathologie und Pflanzenschutz. 2013 Dec. 1, v. 46, no. 19

2013

Abstract: ... PNRSV) infecting stone and pome fruits in India and to characterise them on the molecular level. Surveys ...

Abstract	Stone fruits and pome fruits are cultivated commercially worldwide. In India, they are grown in temperate regions, which mainly includes Jammu and Kashmir, Uttarakhand, Himachal Pradesh and some North-Eastern states. In this study, an attempt has been made to identify the Prunus necrotic ringspot virus (PNRSV) infecting stone and pome fruits in India and to characterise them on the molecular level. Surveys were conducted in the temperate fruit-growing areas and incidence of PNRSV was detected by serological and molecular means in almond, apple, cherry, nectarine, peach, plum and wild cherry. Further diversity analysis of PNRSV was performed using bioinformatics tools such as clustalW, DNA Data Bank of Japan, MultAlin and Recombination Detection Programme. PNRSV was detected in plum, peach, cherry, almond, nectarine, wild cherry and apple. In the diversity analysis study on the basis of coat protein gene, it was found that the isolates showed identity levels from 82 to 100%. In a plum isolate, a stretch of amino acids from 207 to 221 was found variable from Indian and other isolates. In one of the Indian apple isolates, “NR” repeats at 41–44 position (characteristic of PV-32 group, Group I) were identified. Phylogenetic analysis revealed that Indian isolates are falling in Group-I. Movement protein was also amplified from peach and multiple alignment studies showed that N-terminus was mostly conserved, whereas the C-terminal was highly variable.
Keywords	DNA ; Prunus necrotic ringspot virus ; almonds ; amino acids ; apples ; bioinformatics ; cherries ; coat proteins ; databases ; fruit growing ; genes ; nectarines ; peaches ; phylogeny ; plums ; surveys ; temperate zones ; India ; Japan
Language	English
Dates of publication	2013-1201
Size	p. 2376-2386.
Publishing place	Taylor & Francis
Document type	Article
ZDB-ID	2068307-8
ISSN	1477-2906 ; 0323-5408
ISSN (online)	1477-2906
ISSN	0323-5408
DOI	10.1080/03235408.2013.794546
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Long-term changes in albuminuria: underlying causes and future mortality risk in a 20-year prospective cohort: the Nord-Trøndelag Health (HUNT) Study.

Romundstad, Solfrid / Hatlen, Gudrun / Hallan, Stein I

Journal of hypertension

2016 Volume 34, Issue 10, Page(s) 2081–2089

Abstract: Objective: Knowledge on how changing risk factors influence the progression of albuminuria over time is still limited. Furthermore, large population-based cohorts are needed to study the association between albuminuria change and mortality risk in ... ...

Abstract	Objective: Knowledge on how changing risk factors influence the progression of albuminuria over time is still limited. Furthermore, large population-based cohorts are needed to study the association between albuminuria change and mortality risk in nondiabetic study participants. Methods: We evaluated changes of albuminuria in 6282 nondiabetic individuals from the Norwegian population-based Nord-Trøndelag Health study. Using three albumin/creatinine ratios (ACR), we studied the influence of cardiovascular risk factors on ACR change from baseline to follow-up 11 years later. We evaluated the next 8-year mortality risk by using flexible parametric methods to identify nonlinear main effects and their two-way interactions. Results: Mean albuminuria increased significantly over 11 years (1.82-3.02 mg/mmol, P < 0.0001), but two-thirds of individuals had stable levels (ΔACR -1.40 to 1.40 mg/mmol). Higher age, ACR, and SBP as well as smoking and lower glomerular filtration rate at baseline were associated with increasing albuminuria. Study participants in the upper quartile of the increasing group had mean adjusted hazard ratio 1.31 (P = 0.004) for all-cause mortality compared with those with stable ACR. Those with decreasing ACR also had increased mortality, but the risk was strongly attenuated when adjusting for comorbidity. It also decreased the first 3 years before increasing. There was a strong interaction between baseline ACR and ΔACR. Increasing albuminuria had strongest effect on mortality in study participants with moderately increased baseline values. Conclusion: Both increasing and decreasing albuminuria are significant independent predictors of mortality in nondiabetic individuals, but must be interpreted in light of baseline values. Cutoffs and clinical usefulness in nondiabetic study participants should be further investigated.
MeSH term(s)	Age Factors ; Aged ; Albuminuria/etiology ; Albuminuria/mortality ; Albuminuria/urine ; Blood Pressure ; Cardiovascular Diseases/mortality ; Cardiovascular Diseases/urine ; Creatinine/urine ; Female ; Follow-Up Studies ; Glomerular Filtration Rate ; Humans ; Male ; Middle Aged ; Norway/epidemiology ; Proportional Hazards Models ; Prospective Studies ; Risk Factors ; Smoking/epidemiology ; Time Factors
Chemical Substances	Creatinine (AYI8EX34EU)
Language	English
Publishing date	2016-10
Publishing country	England
Document type	Journal Article
ZDB-ID	605532-1
ISSN	1473-5598 ; 0263-6352 ; 0952-1178
ISSN (online)	1473-5598
ISSN	0263-6352 ; 0952-1178
DOI	10.1097/HJH.0000000000001035
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Zs.A 1885: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 614: Show issues

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Article ; Online: Clinical Risk Factors For Kidney Tubule Biomarker Abnormalities Among Hypertensive Adults With Reduced eGFR in the SPRINT Trial.

Ikeme, Jesse C / Katz, Ronit / Muiru, Anthony N / Estrella, Michelle M / Scherzer, Rebecca / Garimella, Pranav S / Hallan, Stein I / Peralta, Carmen A / Ix, Joachim H / Shlipak, Michael G

American journal of hypertension

2022 Volume 35, Issue 12, Page(s) 1006–1013

Abstract: Background: Urine biomarkers of kidney tubule health may distinguish aspects of kidney damage that cannot be captured by current glomerular measures. Associations of clinical risk factors with specific kidney tubule biomarkers have not been evaluated in ...

Abstract	Background: Urine biomarkers of kidney tubule health may distinguish aspects of kidney damage that cannot be captured by current glomerular measures. Associations of clinical risk factors with specific kidney tubule biomarkers have not been evaluated in detail. Methods: We performed a cross-sectional study in the Systolic Blood Pressure Intervention Trial among 2,436 participants with a baseline estimated glomerular filtration rate (eGFR) <60 ml/min/1.73 m2. Associations between demographic and clinical characteristics with urine biomarkers of kidney tubule health were evaluated using simultaneous multivariable linear regression of selected variables. Results: Each standard deviation higher age (9 years) was associated with 13% higher levels of chitinase-3-like protein-1 (YKL-40), indicating higher levels of tubulointerstitial inflammation and repair. Men had 31% higher levels of alpha-1 microglobulin and 16% higher levels of beta-2 microglobulin, reflecting worse tubule resorptive function. Black race was associated with significantly higher levels of neutrophil gelatinase-associated lipocalin (12%) and lower kidney injury molecule-1 (26%) and uromodulin (22%). Each standard deviation (SD) higher systolic blood pressure (SBP) (16 mmHg) was associated with 10% higher beta-2 microglobulin and 10% higher alpha-1 microglobulin, reflecting lower tubule resorptive function. Conclusions: Clinical and demographic characteristics, such as race, sex, and elevated SBP, are associated with unique profiles of tubular damage, which could reflect under-recognized patterns of kidney tubule disease among persons with decreased eGFR.
MeSH term(s)	Humans ; Child ; Glomerular Filtration Rate ; Cross-Sectional Studies ; Kidney Tubules ; Risk Factors
Language	English
Publishing date	2022-09-13
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural
ZDB-ID	639383-4
ISSN	1941-7225 ; 1879-1905 ; 0895-7061
ISSN (online)	1941-7225 ; 1879-1905
ISSN	0895-7061
DOI	10.1093/ajh/hpac102
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