OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Nephrology is 8. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Hyponatremia is associated with poor outcome in COVID-19	96
Playing with variety; enjoying heterogeneity in the garden of nephrology: JN spring issue 2021	37
Calcium carbonate-enriched cheese to improve nutrition, compliance and phosphorus control in patients on kidney replacement therapy	31
Urinary Growth Differentiation Factor-15 (GDF15) levels as a biomarker of adverse outcomes and biopsy findings in chronic kidney disease	29
The mystery of black lungs in a patient with calciphylaxis	29
Osmotic demyelination syndrome and thoughts on its prevention	28
Peri-operative risk factors of chronic kidney disease after liver transplantation	28
FSGS in Chinese twins with a de novo PAX2 mutation: a case report and review of the literature	27
Where are we now? Emerging opportunities and challenges in the management of secondary hyperparathyroidism in patients with non-dialysis chronic kidney disease	26
NGAL/hepcidin-25 ratio and AKI subtypes in patients following cardiac surgery: a prospective observational study	26
Pregnancy and delivery in women receiving maintenance hemodialysis in Japan: analysis of potential risk factors for neonatal and maternal complications	23
Serum sodium trajectory during AKI and mortality risk	23
Nephroplex: a kidney-focused NGS panel highlights the challenges of PKD1 sequencing and identifies a founder BBS4 mutation	22
Estimation of childhood nephrotic syndrome incidence: data from the atlanta metropolitan statistical area and meta-analysis of worldwide cases	20
The floating kidney: an unusual complication of nephrotic syndrome	19
Rapidly progressive kidney dysfunction and crystal casts associated with adenine phosphoribosyltransferase (APRT) deficiency–lessons for the clinical nephrologist	18
Lessons for the clinical nephrologist: a midsummer night’s cluster of hypernatremia cases	18
The frail world of haemodialysis patients in the COVID-19 pandemic era: a systematic scoping review	17
Prediction of risk factors and outcomes of neonatal acute kidney injury	15
Membranous nephropathy in a patient with COVID-19 infection	15
Hyperkalemia excursions and risk of mortality and hospitalizations in hemodialysis patients: results from DOPPS-Italy	14
The role of Plasma Renin Activity in prenatally diagnosed non-obstructed hydronephrosis at risk for surgery—an observational study	13
Direct oral anticoagulants and chronic kidney disease: it is time to be brave	13
An unusual case of acute kidney injury in a patient with IgA paraproteinemia. Lessons for the clinical nephrologist	13
Art in the ward: nephrology picture	12

Association of serum bicarbonate with graft survival and mortality in kidney transplant recipients	12
Detection of pre-existing SARS-CoV-2-reactive T cells in unexposed renal transplant patients	12
Impact of chloride-rich crystalloids on sepsis-associated community-acquired acute kidney injury recovery in critically ill patients	11
Calcium pyrophosphate deposition disease involving “the largest” Bursa in the human body	11
The global incidence and mortality of contrast-associated acute kidney injury following coronary angiography: a meta-analysis of 1.2 million patients	10
Acute kidney injury (AKI) in patients with Covid-19 infection is associated with ventilatory management with elevated positive end-expiratory pressure (PEEP)	10
What have we learnt from the COVID-19 epidemic? Considerations of a troubled editor after two troubled years	9
Recovering histological sections for ultrastructural diagnosis of glomerular diseases through the pop-off technique	9
Calcifediol supplementation in adults on hemodialysis: a randomized controlled trial	9
Efficacy of systematic coronavirus screening by PCR and viral cultures in addition to triage in limiting the spread of SARS-CoV-2 within a hemodialysis unit	8
A long-term nationwide study on chronic kidney disease-related mortality in Italy: trends and associated comorbidity	8
Correction to: The global incidence and mortality of contrast-associated acute kidney injury following coronary angiography: a meta-analysis of 1.2 million patients	8
Plasmatic osteopontin and vascular access dysfunction in hemodialysis patients: a cross-sectional, case–control study (The OSMOSIS Study)	8
Kidney transplant in patients with atypical hemolytic uremic syndrome in the anti-C5 era: single-center experience with tailored Eculizumab	8
Using an international online forum to explore perspectives of caregivers of patients with chronic kidney disease	8