Ryan T. Kellogg
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View article: Minimally Invasive Surgery vs Medical Management Alone for Intracerebral Hemorrhage
Minimally Invasive Surgery vs Medical Management Alone for Intracerebral Hemorrhage Open
Importance It remains uncertain whether surgical evacuation improves functional outcomes in patients with supratentorial intracerebral hemorrhage (ICH). Objective To compare the safety and efficacy of minimally invasive surgery with the Ar…
View article: Comparison of Machine Learning Methods to Predict Early Mortality After Evacuation of Chronic Subdural Hematoma.
Comparison of Machine Learning Methods to Predict Early Mortality After Evacuation of Chronic Subdural Hematoma. Open
The LR model demonstrated the best performance of discriminative ability, balanced accuracy, and recall, whereas DT modeling performed worst. Using an automated segmentation software, our models demonstrate an ability to identify patients …
View article: ProSPective evaluation of the dIagnostic accuracy of siNe spiN non-contrast flatdEtectoR CT (FDCT) for the detection of intracranial hemorrhage in stroke patients - Protocol of a non-inferiority comparison to multi detector CT
ProSPective evaluation of the dIagnostic accuracy of siNe spiN non-contrast flatdEtectoR CT (FDCT) for the detection of intracranial hemorrhage in stroke patients - Protocol of a non-inferiority comparison to multi detector CT Open
Rationale Whether syngo DynaCT Sine Spin non-contrast flat detector CT (FDCT) imaging is sufficient to rule out intracranial hemorrhage in suspected acute stroke patients is unknown. Aim To determine if syngo DynaCT Sine Spin non-contrast …
View article: Factors Affecting Selection of TraineE for Neurointervention (FASTEN)
Factors Affecting Selection of TraineE for Neurointervention (FASTEN) Open
Background and importance Neurointervention is a very competitive specialty in the United States due to the limited number of training spots and the larger pool of applicants. The training standards are continuously updated to ensure solid…
View article: Mechanical thrombectomy for the treatment of primary and secondary anterior cerebral artery occlusions: insights from STAR
Mechanical thrombectomy for the treatment of primary and secondary anterior cerebral artery occlusions: insights from STAR Open
Background The safety and efficacy of mechanical thrombectomy (MT) for the treatment of acute anterior cerebral artery (ACA) occlusions have not clearly been delineated. Outcomes may be impacted based on whether the occlusion is isolated t…
View article: Interaction of admission platelet count with current medications and the risk for chronic subdural recurrence
Interaction of admission platelet count with current medications and the risk for chronic subdural recurrence Open
OBJECTIVE Chronic subdural hematoma (cSDH) has a reported 10%–24% rate of recurrence after surgery, and prognostic models for recurrence have produced equivocal results. The objective of this study was to leverage a data mining algorithm, …
View article: Recurrence of a large intracranial fusiform aneurysm treated with overlapping Pipeline embolization devices: illustrative case
Recurrence of a large intracranial fusiform aneurysm treated with overlapping Pipeline embolization devices: illustrative case Open
BACKGROUND Flow diversion, specifically with the Pipeline embolization device (PED), represents a paradigm shift in the treatment of intracranial aneurysms. Several studies have demonstrated its efficacy and at times superiority to convent…
View article: The perils and promises of generative artificial intelligence in neurointerventional surgery
The perils and promises of generative artificial intelligence in neurointerventional surgery Open
Generative artificial intelligence (AI) holds great promise in neurointerventional surgery by providing clinicians with powerful tools for improving surgical precision, accuracy of diagnoses, and treatment planning. However, potential peri…
View article: E-117 Mechanical thrombectomy for treatment of acute ischemic stroke in frail patients: a systematic review of literature
E-117 Mechanical thrombectomy for treatment of acute ischemic stroke in frail patients: a systematic review of literature Open
Background Frailty is a complex syndrome, referring to a state of increased vulnerability from age-associated decline that has been quantified by various validated scales. While frailty has been associated with an increased risk of adverse…
View article: O-014 Mechanical thrombectomy for the treatment of primary and secondary anterior cerebral artery occlusions—insights from STAR
O-014 Mechanical thrombectomy for the treatment of primary and secondary anterior cerebral artery occlusions—insights from STAR Open
Background The safety and efficacy of mechanical thrombectomy (MT) for the treatment of acute anterior cerebral artery (ACA) occlusions have not clearly been delineated. In a recent systematic review, MT-treated ACA occlusions were associa…
View article: E-236 Automated pre- and post-operative volumes estimates risk of retreatment in chronic subdural hematoma: a retrospective, multi-center study
E-236 Automated pre- and post-operative volumes estimates risk of retreatment in chronic subdural hematoma: a retrospective, multi-center study Open
Importance Several neurosurgical pathologies, ranging from glioblastoma to hemorrhagic stroke, use volume thresholds to guide treatment decisions. For chronic subdural hematoma (cSDH), with a risk of retreatment of 10-30%, the relationship…
View article: E-076 Analysis of endovascular device properties with mechanical simulation
E-076 Analysis of endovascular device properties with mechanical simulation Open
Introduction Successful device selection for neuro endovascular surgery is based on patient anatomy. Pre-operative imaging and knowledge of catheter and wire properties (shape, size, and relative stiffness) influence device choice. Even wi…
View article: Preclinical models of middle cerebral artery occlusion: new imaging approaches to a classic technique
Preclinical models of middle cerebral artery occlusion: new imaging approaches to a classic technique Open
Stroke remains a major burden on patients, families, and healthcare professionals, despite major advances in prevention, acute treatment, and rehabilitation. Preclinical basic research can help to better define mechanisms contributing to s…
View article: Artificial Intelligence and Machine Learning in the Diagnosis and Management of Stroke: A Narrative Review of United States Food and Drug Administration-Approved Technologies
Artificial Intelligence and Machine Learning in the Diagnosis and Management of Stroke: A Narrative Review of United States Food and Drug Administration-Approved Technologies Open
Stroke is an emergency in which delays in treatment can lead to significant loss of neurological function and be fatal. Technologies that increase the speed and accuracy of stroke diagnosis or assist in post-stroke rehabilitation can impro…
View article: Factors Associated With Improved Technical Outcomes When Using 0.068‐ to 0.074‐Inch Aspiration Catheters: Analysis From a Multicenter Retrospective Cohort
Factors Associated With Improved Technical Outcomes When Using 0.068‐ to 0.074‐Inch Aspiration Catheters: Analysis From a Multicenter Retrospective Cohort Open
Background In addition to enlarging the catheter tip diameter, recent aspiration catheters were designed with a novel angled‐tip design. We aimed to evaluate the efficacy of new‐generation angled‐tip aspiration catheters in comparison to c…
View article: Best Practice Recommendations for Stroke Vascular Imaging During Iodinated Contrast Shortage
Best Practice Recommendations for Stroke Vascular Imaging During Iodinated Contrast Shortage Open
GE Healthcare© announced on April 19, 2022, that their main factory and distributor of iodinated contrast had experienced a temporary shutdown because of COVID-19 outbreak in Shanghai, China. This, along with other supply chain issues, led…
View article: Risk factors and predictors of intracranial hemorrhage after mechanical thrombectomy in acute ischemic stroke: insights from the Stroke Thrombectomy and Aneurysm Registry (STAR)
Risk factors and predictors of intracranial hemorrhage after mechanical thrombectomy in acute ischemic stroke: insights from the Stroke Thrombectomy and Aneurysm Registry (STAR) Open
Background Reducing intracranial hemorrhage (ICH) can improve patient outcome in acute ischemic stroke (AIS) intervention. We sought to identify ICH risk factors after AIS thrombectomy. Methods This is a retrospective review of the Stroke …
View article: The Era of Onyx Embolization: A Systematic and Literature Review of Preoperative Embolization Before Stereotactic Radiosurgery for the Management of Cerebral Arteriovenous Malformations
The Era of Onyx Embolization: A Systematic and Literature Review of Preoperative Embolization Before Stereotactic Radiosurgery for the Management of Cerebral Arteriovenous Malformations Open
Onyx (ethylene vinyl-alcohol copolymer dissolved in dimethyl sulfoxide and suspended in micronized tantalum powder) has been increasingly used for the embolization of intracranial AVMs with increased success regarding its ease of use from …
View article: Mechanical Thrombectomy for the Treatment of Anterior Cerebral Artery Occlusion: A Systematic Review of the Literature
Mechanical Thrombectomy for the Treatment of Anterior Cerebral Artery Occlusion: A Systematic Review of the Literature Open
Mechanical thrombectomy for the treatment of anterior cerebral artery occlusions is safe and efficacious, offering a favorable rate of recanalization and procedural complications. Mechanical thrombectomy-treated anterior cerebral artery oc…
View article: Effect of drug use in the treatment of acute ischemic stroke: A scoping review
Effect of drug use in the treatment of acute ischemic stroke: A scoping review Open
Background: Drugs of abuse have been associated with ischemic stroke; however, the clinical presentation, outcomes, and treatment data in this population are limited. The overall safety and efficacy of thrombolytic therapy and thrombectomy…
View article: O-019 Increasing inner diameter leads to faster thrombectomy with aspiration in acute ischemic stroke
O-019 Increasing inner diameter leads to faster thrombectomy with aspiration in acute ischemic stroke Open
Background Increasing the distal ID of aspiration catheters has been associated with higher quality and faster thrombectomies, due to a presumed higher rate of complete clot ingestion. We aimed to evaluate the recanalization efficacy of ne…
View article: E-019 Mechanical thrombectomy for nonagenarian with M1 occlusion: analysis from multicenter cohort
E-019 Mechanical thrombectomy for nonagenarian with M1 occlusion: analysis from multicenter cohort Open
Introduction Elderly individuals are at an increased risk for stroke and are responsible for a substantial portion of the total stroke burden. The safety and efficacy of thrombectomy in nonagenarians is not fully understood, as they have t…
View article: P-009 An angled tip is associated with improved technical outcomes when using 0.064–0.074 aspiration catheters: analysis from a multicenter retrospective cohort
P-009 An angled tip is associated with improved technical outcomes when using 0.064–0.074 aspiration catheters: analysis from a multicenter retrospective cohort Open
Background Recent introduction of large bore aspiration catheters have contributed to high reperfusion rates. The alteration of these catheters to have angled tips, which increase clot engagement area by approximately 15%, has been suggest…
View article: Is a picture-perfect thrombectomy necessary in acute ischemic stroke?
Is a picture-perfect thrombectomy necessary in acute ischemic stroke? Open
Background The benefit of complete reperfusion (modified Thrombolysis in Cerebral Infarction (mTICI) 3) over near-complete reperfusion (≥90%, mTICI 2c) remains unclear. The goal of this study is to compare clinical outcomes between mechani…
View article: E-151 Volumetric analysis of endoscopic evacuation of intracerebral hemorrhage
E-151 Volumetric analysis of endoscopic evacuation of intracerebral hemorrhage Open
Introduction Spontaneous intracerebral hemorrhage (ICH) is a neurologically-devastating form of stroke. Minimally-invasive evacuation is increasingly investigated as a primary treatment. Secondary analyses of the MISTIE III (Minimally Inva…