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Open research questions in Acute Kidney Injury Research

937 gap statements mined from Acute Kidney Injury Research papers in our 7.9M-paper local library, which holds 3,532 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • The paper identifies technical challenges, such as the limitations of traditional functional metrics and the need for novel biomarkers. It also highlights domain challenges, such as the complexity of pediatric SA-AKI and the need for a more personalized approach.

    Precision medicine in pediatric sepsis-associated acute kidney injury: when systemic heterogeneity meets organ-level heterogeneity · 2026 · DOI

  • The ability to capture rapid or transient changes in physiologic response is limited by intermittent measurements. High-fidelity physiologic data are needed to address the gap in understanding the acute physiologic effects of sacubitril/valsartan in critically ill children.

    The hemodynamic effects of sacubitril/valsartan in the first 24 h of initiation in pediatric cardiac intensive care unit patients: insights using high-fidelity data · 2026 · DOI

  • The current literature is largely derived from intermittent measurements, providing a coarse representation of physiologic response. There remains a gap in understanding how sacubitril/valsartan affects cardiovascular physiology in the immediate period following initiation, particularly in dynamic pediatric cardiac intensive care populations.

    The hemodynamic effects of sacubitril/valsartan in the first 24 h of initiation in pediatric cardiac intensive care unit patients: insights using high-fidelity data · 2026 · DOI

  • The study encounters the challenge of dealing with severe overdispersion in the data, which requires the use of specialized statistical models. The study addresses the challenge of identifying emerging research hotspots and outlining priority-setting directions for future pharmacological investigation.

    Mapping the knowledge landscape and identifying frontiers of mitochondrial dysfunction in sepsis-associated acute kidney injury: a four-decade bibliometric and visualized analysis · 2026 · DOI

  • Further studies are needed to validate the findings and explore the potential mechanisms underlying the association between CTI and PO-AKI. Research is needed to determine the optimal cutoff value for CTI in predicting PO-AKI risk. Studies should investigate the potential benefits of using CTI in clinical practice, such as identifying high-risk patients and guiding preventive measures.

    Association between the C-reactive protein–triglyceride glucose index and postoperative acute kidney injury after elective abdominal surgery: a retrospective cohort study · 2026 · DOI

  • The relationship between CTI and PO-AKI risk is not well understood. Traditional diagnostic markers lack sensitivity. There is a need for a novel composite marker for evaluating metabolic-inflammatory dysregulation.

    Association between the C-reactive protein–triglyceride glucose index and postoperative acute kidney injury after elective abdominal surgery: a retrospective cohort study · 2026 · DOI

  • The prognostic significance of kidney dysfunction persisting to the 3−6-month assessment is not well understood. Prior studies have not fully examined the association between registry-defined incident CKD and long-term outcomes.

    Registry-defined incident chronic kidney disease following acute kidney injury after primary PCI for STEMI and its association with long-term outcomes: a multicenter landmark analysis · 2026 · DOI

  • The need for novel detection platforms that combine rapid analysis with high sensitivity for NGAL detection. The limitations of conventional analyses that depend on serum creatinine. The lack of efficient and accurate methods for NGAL detection in human serum samples.

    Antibody-Based Biolayer Interferometry Platform for Rapid Detection of Neutrophil Gelatinase-Associated Lipocalin · 2025 · DOI

  • Previous research has demonstrated the link between AKI and increased morbidity and mortality, but the age-dependent risk is not well understood.

    Age-Dependent Risk of Long-Term All-Cause Mortality in Patients Post-Myocardial Infarction and Acute Kidney Injury · 2025 · DOI

  • The current approach to referral to nephrology is insufficiently studied. There is a need for a more accurate assessment of kidney failure risk.

    Risikobasierte Überweisung in die Nephrologie: KFRE-Formel besser als klassische Kriterien · 2026 · DOI

  • There is a lack of consensus regarding postoperative outcomes in patients undergoing multilevel compared to single-level fusion. The association between dialysis status and complications after multilevel lumbar fusion is not well understood.

    Dialysis status and its association with complications, discharge outcomes, and costs after multilevel lumbar fusion: a national analysis · 2026 · DOI

  • However, effective strategies to prevent or attenuate AKI-associated brain dysfunction are lacking.

    Doxepin Attenuates Cognitive and Anxiety-like Behavioral Deficits Induced by Acute Kidney Injury in Rats · 2026 · DOI

  • While vasopressin-dependent medullary hyperosmolarity is well established in water homeostasis, its role in shaping kidney injury and repair remains poorly understood.

    Targeting the Kidneys Osmotic Gradient with AVPR2 Antagonism Limits Inflammation and Fibrosis after Injury · 2026 · DOI

  • A synchronization modulation electric field (SMEF) keeps Na+/K+-ATPase working when ATP is scarce, and protects the rodent kidney from ischemia-reperfusion injury and human kidneys during cold storage.

    A synchronization modulation electric field reduces early ischemic kidney injury in pigs and suppresses a stress and inflammatory program without detectable leukocyte accumulation · 2026 · DOI

  • It has not been tested in a large animal in vivo, and what it changes in the tissue is unknown.

    A synchronization modulation electric field reduces early ischemic kidney injury in pigs and suppresses a stress and inflammatory program without detectable leukocyte accumulation · 2026 · DOI

  • Kidney recovery after AKI is heterogeneous, and the prognostic significance of kidney dysfunction persisting to the 3−6-month assessment remains incompletely defined.

    Registry-defined incident chronic kidney disease following acute kidney injury after primary PCI for STEMI and its association with long-term outcomes: a multicenter landmark analysis · 2026 · DOI

  • However, it remains unclear why some septic patients develop AKI while others do not.

    Tubular Stress Markers and Future Risk of Sepsis-Associated Acute Kidney Injury · 2026 · DOI

  • The detectability and clinical significance of urine cell free mitochondrial DNA (cf-mtDNA) in ambulatory individuals is under explored.

    Relation of Urine Cell-Free Mitochondrial DNA Quantified by Droplet Digital Polymerase Chain Reaction With Tubule Injury, Dysfunction, and Ambulatory Acute Kidney Injury · 2026 · DOI

  • Hospitalized AKI with baseline CKD only, predominance of stage 1 AKI, timing of proteinuria collection was limited to annual visits, residual confounding Conclusions Among CKD patients, AKI was independently associated with worsening proteinuria (independent of changes in blood pressure or RASi use) and may reflect residual structural damage to the kidneys.

    Quantifying Change in Proteinuria After Acute Kidney Injury Among Patients With Chronic Kidney Disease: Findings From the Chronic Renal Insufficiency Cohort (CRIC) Study · 2026 · DOI

  • Dimethyl oxalate poisoning cases are rarely reported, despite their significant contact toxicity.

    Acute Oxalate Nephropathy Induced by Dimethyl Oxalate: A Report of 3 Cases and Literature Review · 2026 · DOI

  • The applicability of adult randomised trials to paediatric populations is limited by distinct disease biology, developmental physiology, and fluid tolerance, - The lack of evidence regarding practice recommendation on the use of CKRT in critically ill children, - Limitations of techniques like lung ultrasound and inferior vena cava collapsibility index (IVCCI) include requiring adequate training and being operator…

    When to start continuous kidney replacement therapy in critically ill children: a practical, PICU-focused, evidence-based review · 2026 · DOI

  • Statistical power and precision were limited due to the small sample size, - The study had only 32 participants and 10 eGFR < 90 observations, - ROC/AUC estimates may be unstable, - The study did not include repeated kidney-function assessment, albuminuria or urine albumin-creatinine ratio, or cystatin…

    Kidney Health Biomarkers and Estimated Glomerular Filtration Rate Among Indonesian Tofu Production Workers: A Pilot Cross‐Sectional Study · 2026 · DOI

  • Further studies with larger sample sizes are needed to validate the findings, - Studies should include repeated kidney-function assessment, albuminuria or urine albumin-creatinine ratio, or cystatin C, - Research on the relationship between tubular injury markers and eGFR is needed, - External validation of the exploratory thresholds…

    Kidney Health Biomarkers and Estimated Glomerular Filtration Rate Among Indonesian Tofu Production Workers: A Pilot Cross‐Sectional Study · 2026 · DOI

  • Further research into underlying mechanisms - Research into the impact of inter-individual variability on response to treatment - Studies on effectively treating SA-AKI and improving…

    Acute Kidney Injury in Sepsis · 2024 · DOI

  • Investigating programmed cell death modalities, - Examining oxidative stress, - Studying inflammation, - Exploring ferroptosis…

    Mapping the knowledge landscape and identifying frontiers of mitochondrial dysfunction in sepsis-associated acute kidney injury: a four-decade bibliometric and visualized analysis · 2026 · DOI

Most-cited papers in Acute Kidney Injury Research

Most recent work

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Open questions raised by papers listed on this page include: (1) High-fidelity physiologic data are needed to address the gap in understanding the acute physiologic effects of sacubitril/valsartan in critically ill children (“The hemodynamic effects of sacubitril/valsartan in the first 24 h of initiation…”, 2026); (2) Further studies are needed to validate the findings and explore the potential mechanisms underlying the association between CTI and PO-AKI (“Association between the C-reactive protein–triglyceride glucose index and…”, 2026); (3) The prognostic significance of kidney dysfunction persisting to the 3−6-month assessment is not well understood (“Registry-defined incident chronic kidney disease following acute kidney injury…”, 2026); (4) There is a need for a more accurate assessment of kidney failure risk (“Risikobasierte Überweisung in die Nephrologie: KFRE-Formel besser als…”, 2026); (5) There is a lack of consensus regarding postoperative outcomes in patients undergoing multilevel compared to single-level fusion (“Dialysis status and its association with complications, discharge outcomes, and…”, 2026). 937 gap statements have been mined from Acute Kidney Injury Research papers in our 7.9M-paper local library, which holds 3,532 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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