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Open research questions in Traumatic Brain Injury and Neurovascular Disturbances

590 gap statements mined from Traumatic Brain Injury and Neurovascular Disturbances papers in our 7.9M-paper local library, which holds 2,395 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

  • Limited understanding of the complex pathophysiology of TBI. Need for new treatments that can address the multifaceted consequences of TBI. Limited efficacy of current assessments of functional recovery.

    Targeting neuroinflammation and oxidative stress improves cognitive and sensorimotor outcomes following experimental traumatic brain injury · 2026 · DOI

  • The study had a retrospective design. The study had a limited sample size of 191 patients. The study only included patients from two participating centers.

    ABC/2 versus computer-assisted volumetric analysis for epidural hematoma: measurement variability, and the influence of hematoma morphology; a retrospective, multicenter, cohort study · 2026 · DOI

  • Further studies are needed to validate the accuracy of the ABC/2 method in large studies. Future research should investigate the clinical use of other formulas for estimating intracerebral hemorrhage. The study suggests that multivariable linear regression with heteroscedasticity-robust standard errors could be used to evaluate morphology-dependent measurement error.

    ABC/2 versus computer-assisted volumetric analysis for epidural hematoma: measurement variability, and the influence of hematoma morphology; a retrospective, multicenter, cohort study · 2026 · DOI

  • It highlights the need for a more nuanced understanding of the temporal dynamics of TBI. The paper argues that the failure to account for the heterogeneity of TBI has led to a lack of effective therapeutic options.

    Omics-guided therapeutic translation in acute traumatic brain injury · 2026 · DOI

  • The available evidence on acute endocrine alterations after TBI remains inconsistent. There is a need to examine the temporal patterns of these alterations and their associations with functional outcome. The relationships between early inflammatory markers and endocrine changes are not well understood.

    Acute Endocrine Alterations After Traumatic Brain Injury and 6‐Month Functional Outcome · 2026 · DOI

  • Developing an effective treatment for traumatic brain injury remains a significant challenge. Understanding the signaling processes associated with Astragaloside IV after TBI is a complex task. Evaluating the involvement of NMDAR-related signaling in the effects of Astragaloside IV requires a combination of behavioral and molecular biology techniques.

    Astragaloside IV ameliorates cognitive impairment after traumatic brain injury with involvement of NMDAR-related signaling · 2026 · DOI

  • Further studies are needed to establish direct NMDAR binding or activation. Research on in vivo target occupancy and the primary molecular target of AS-IV is required. Investigations into the effects of AS-IV on other types of brain injury or neurodegenerative diseases may be warranted.

    Astragaloside IV ameliorates cognitive impairment after traumatic brain injury with involvement of NMDAR-related signaling · 2026 · DOI

  • Pulsatility of the brain has been hypothesised to be linked to intracranial pressure (ICP), although the nature of this relationship remains poorly understood.

    Brain tissue pulsation responses to a low‐level expiratory resistance manoeuvre: A pilot healthy volunteer study · 2026 · DOI

  • Despite two large randomized controlled trials (RCT) designed to assess tranexamic acid (TXA) for traumatic brain injury (TBI) patients, its use and optimal dosing strategy in TBI remains uncertain.

    Prehospital tranexamic acid bolus improves outcomes in traumatic brain injury: A Bayesian reanalysis of the prehospital TXA for TBI trial · 2026 · DOI

  • Traumatic brain injury should be studied separately in males and females to identify sex-specific mechanisms of injury and recovery.

    TXA after severe TBI: Learning and memory benefits are prominent only in males · 2026 · DOI

  • Tranexamic acid (TXA), a commonly used pharmacotherapy, appears to preserve blood brain barrier integrity after traumatic brain injury (TBI) in males, but whether TXA confers equivalent neurocognitive benefit in female and male subjects after TBI remains unknown.

    TXA after severe TBI: Learning and memory benefits are prominent only in males · 2026 · DOI

  • Despite lack of guidelines on choice of ICP monitoring for pediatric patients, EVD placement alone was associated with 30% reduction in need for surgical intervention and 25% lower mortality.

    A nationwide comparison of intracranial pressure monitoring devices in pediatric severe traumatic brain injury: Impact on surgical intervention and mortality · 2026 · DOI

  • Current guidelines do not favor one monitoring technique over another, and while combined approaches may offer benefits, individual effect of each technique on outcomes remains unclear.

    A nationwide comparison of intracranial pressure monitoring devices in pediatric severe traumatic brain injury: Impact on surgical intervention and mortality · 2026 · DOI

  • Future research is warranted to further delineate the indication for DC in the pediatric TBI population.

    Decompressive craniectomy: The potential association with long-term functional outcomes in children with traumatic brain injury · 2026 · DOI

  • While prior literature has explored patient-level factors, data on the impact of ICH morphologies (subdural [SDH], epidural [EDH], intraparenchymal [IPH], intraventricular [IVH], and multicompartment hemorrhage [MCH]) on radiographic ICH progression remains unclear.

    Multicompartmental hemorrhage: A high-risk pattern associated with increased risk for progression in TBI patients · 2026 · DOI

  • Although CYP46A1 has neuroprotective effects on various central nervous system disorders, its effect on WMI remains unclear.

    CYP46A1 ‐Targeted Treatment Alleviates Long‐Term White Matter Injury Following Traumatic Brain Injury by Promoting Cholesterol Metabolic Clearance and Remyelination · 2026 · DOI

  • Trigonelline has been reported to exert neuroprotective effects in experimental models; however, its molecular mechanisms in acute TBI remain insufficiently defined.

    Elucidating Trigonelline's Therapeutic Mechanisms for Traumatic Brain Injury Through Integrated Network Pharmacology and In Vivo Validation · 2026 · DOI

  • Coagulopathy, common in ASDH, may influence hematoma dynamics, but its causal role remains uncertain.

    Coagulation Pathways as Determinants of Acute Subdural Hematoma Resolution: Genetic Evidence From Human Data · 2026 · DOI

  • Spontaneous hematoma resolution is an important determinant of functional recovery, but the biological mechanisms underlying this process remain poorly understood.

    Coagulation Pathways as Determinants of Acute Subdural Hematoma Resolution: Genetic Evidence From Human Data · 2026 · DOI

  • Determine whether candidate regulators functionally mediate C3aR1-associated microglial responses after TBI - Define the cell-specific contribution of C3/C3a-C3aR1 signaling - Establish therapeutic window, pharmacological specificity, and safety before clinical…

    Neutrophil–microglia communication through the C3–C3aR1 axis contributes to secondary neuroinflammation after traumatic brain injury · 2026 · DOI

  • The study was conducted in an in vitro model, - The study used a limited number of cell lines (SH-SY5Y), - The study did not investigate the effects of BX471 in vivo, - The study did not examine the long-term effects…

    CCR1 Antagonism by BX471 Attenuates Neuroinflammation and Apoptosis: Preliminary Findings From an In Vitro Model of Neuronal Injury · 2026 · DOI

  • Longitudinal studies using omics to track the biological trajectory of TBI - Investigation of subcellular membrane-trafficking machinery in TBI - Development of pathway-based predictive enrichment strategies for TBI therapeutic…

    Omics-guided therapeutic translation in acute traumatic brain injury · 2026 · DOI

  • Further studies are needed to investigate the dynamic post-traumatic endocrine changes across TBI severity groups - Research should focus on integrating serial multi-axis endocrine measurements with day-1 inflammatory markers, GCS-defined injury severity, and a prespecified functional outcome…

    Acute Endocrine Alterations After Traumatic Brain Injury and 6‐Month Functional Outcome · 2026 · DOI

  • Randomized controlled trials (RCTs) report mixed and sometimes conflicting results, leaving uncertainties regarding indications, timing, and long-term benefits.

    Decompressive craniectomy in traumatic brain injury: insights from a 15-year multicentre cohort in Sweden · 2026 · DOI

  • Scarce research compares pediatric TBI outcomes between urban teaching and nonteaching hospitals.

    Comparative analysis of outcomes in pediatric traumatic brain injury at urban teaching versus nonteaching hospitals across the United States · 2026 · DOI

Most-cited papers in Traumatic Brain Injury and Neurovascular Disturbances

Most recent work

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Open questions raised by papers listed on this page include: (1) Further studies are needed to validate the accuracy of the ABC/2 method in large studies (“ABC/2 versus computer-assisted volumetric analysis for epidural hematoma:…”, 2026); (2) The paper argues that the failure to account for the heterogeneity of TBI has led to a lack of effective therapeutic options (“Omics-guided therapeutic translation in acute traumatic brain injury”, 2026); (3) There is a need to examine the temporal patterns of these alterations and their associations with functional outcome (“Acute Endocrine Alterations After Traumatic Brain Injury and 6‐Month Functional…”, 2026); (4) Further studies are needed to establish direct NMDAR binding or activation (“Astragaloside IV ameliorates cognitive impairment after traumatic brain injury…”, 2026); (5) Pulsatility of the brain has been hypothesised to be linked to intracranial pressure (ICP), although the nature of this relationship remains poorly understood (“Brain tissue pulsation responses to a low‐level expiratory resistance…”, 2026). 590 gap statements have been mined from Traumatic Brain Injury and Neurovascular Disturbances papers in our 7.9M-paper local library, which holds 2,395 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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