8 results on '"Hering K"'
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2. Abstract No. 221 Quantitative Analysis of Post-treatment Imaging in Pulmonary Arteriovenous Malformations (PAVMs) Treated with Microvascular Plugs (MVPs): Assessing Sac Size and Draining Vein Changes
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Hering, K., primary, Sutphin, P., additional, and Kalva, S., additional
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- 2024
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3. A Review of Force Health Protection Aspects of Lyme Disease in the U.S. Military.
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Melanson VR, Bateman SL, Hering K, Weiss TJ, Reilly JL, Davis KT, Gramlich VA, Jankovich A, Daffin M, Hershfield JR, and Barnhill JC
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Introduction: Lyme disease (LD) is an underrated threat to the military that negatively impacts mission readiness. Lyme disease has traditionally been thought to only be a risk in an operational context, where training or deployments are frequently conducted in heavily wooded environments. However, this view diminishes risks posed by many off-duty outdoor recreational activities. Furthermore, although the Army introduced a permethrin factory-treated Army Combat Uniform in 2012, permethrin retention and subsequent protection have been shown to decrease significantly after 3 months of wear. Thus, although LD is a known health risk that threatens unit readiness, beyond using treated uniforms there has been little progress at the unit level to address this threat., Materials and Methods: Focusing on a narrative review of LD and its impact on U.S. military force health protection, sources included DoD websites and policies, government press releases and information papers from sources like the CDC and FDA, and scholarly peer-reviewed journals with full-text access from the online databases EBSCOhost, MEDLINE, SCOUT, and Google Scholar. Searches included the following key words: LD and military, Army, etiology, epidemiology, incidence, treatments, post-treatment LD, and chronic LD. Articles were selected for review based on the relevance of their abstracts and titles., Results: Although the incidence of LD appears to be increasing among service members, it is difficult to attribute this increase to military-related duties. Also, despite ongoing LD research specifically conducted and funded by the DoD, there are limited data on the mitigating effects of force education and permethrin-treated uniforms on the LD threat. Therefore, it is reasonable to conclude that LD negatively impacts military readiness and monetary costs diverted from other priorities., Conclusion: Lyme disease poses a genuine threat to the health and careers of service members and is an often-overlooked disruptor to military operations. Simple, feasible prevention strategies that are tailored to high-risk geographic regions can be emphasized by military units to reduce the incidence of on-duty and off-duty cases. Additionally, there remains a critical need for new preventative and diagnostic measures for LD., (Published by Oxford University Press on behalf of the Association of Military Surgeons of the United States 2024. This work is written by (a) US Government employee(s) and is in the public domain in the US.)
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- 2024
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4. Gastrostomy placement in patients with amyotrophic lateral sclerosis: assessment of risk factors for post-procedural respiratory failure.
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An TJ, Jang S, Hering K, Vazquez R, Scalia J, Berry JD, Kalva SP, and Arellano RS
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Objective: Radiologically inserted gastrostomy placement may be performed in patients with dysphagia secondary to amyotrophic lateral sclerosis (ALS). This study assessed technical outcomes and complications related to gastrostomy placement in patients with ALS., Methods: A retrospective review of patients with ALS who underwent gastrostomy placement between 2021 and 2023 was performed. Patient demographics, medical history, ALS disease manifestations, survival, and post-procedural complications were obtained from the electronic medical record. Technical outcomes related to gastrostomy placement were obtained from operative notes and review of procedural imaging., Results: A total of 100 patients were included in the study. The mean duration of ALS diagnosis at time of gastrostomy placement was 1.3 +/-1.2 years. The mean slow vital capacity at time of gastrostomy placement was 54.0 +/-20.2% (range 10-155%). Technical success was 100%, with 91 placed using fluoroscopic guidance and 9 placed with computed tomography guidance. Eighty-three percent of gastrostomies were performed as outpatient procedures, while 17/100 patients were admitted following the procedure for monitoring. Post-procedural adverse events were noted in 21/100 patients (15 mild and 6 moderate or greater). Three patients developed respiratory failure after gastrostomy tube placement and died within 1-week post-procedure. Lower pre-procedural slow vital capacity was associated with higher risk of post-procedural respiratory failure ( p = 0.0003*)., Conclusions: Gastrostomy placement in patients with ALS has a high technical success rate and may be performed safely in the outpatient setting in appropriate patients. Patients with low slow vital capacity related to ALS should be admitted post-procedurally for airway monitoring and support.
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- 2024
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5. Long-term quality of life and functional outcomes after management of spinal epidural abscess.
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Xiong GX, Nguyen A, Hering K, and Schoenfeld AJ
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- Humans, Male, Female, Middle Aged, Adult, Aged, Treatment Outcome, Cohort Studies, Quality of Life, Epidural Abscess surgery
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Background/context: In recent years, the incidence of spinal epidural abscesses (SEA) has tripled in number and nonoperative management has risen in popularity. While there has been a shift towards reserving surgical intervention for patients with focal neurologic deficits, a third of patients will still fail medical management and require surgical intervention. Failure to understand long-term quality of life and functional outcomes hinders effective decision making and prognostication., Purpose: To describe patterns and associated factors impacting long-term quality of life following treatment of spinal epidural abscess., Study Design/setting: Multicenter cohort study at two urban academic tertiary referral centers and two community centers., Patient Sample: Adult patients treated for a spinal epidural abscess., Outcome Measures: EuroQoL 5-Dimension 5L (EQ5D), Neuro-Quality of Life Lower Extremity - Mobility (Short Form; NeuroQoL-LE), Patient-Reported Outcomes Measurement Information System Physical Function (short form 4a; PROMIS PF), and PROMIS Global Mental Health score (PROMIS Mental)., Methods: Eligible patients were enrolled and administered questionnaires. Multivariable analysis assessed the influence of ambulatory status on HRQL, adjusting for covariates including age, biologic sex, Charlson comorbidity index, intravenous drug use, management approach, and ASIA grade on presentation., Results: Sixty-one patients were enrolled (mean age 60.5 years, 46% male). Thirty-four patients (58%) underwent operative management. Mean standard deviation (SD) results for HRQL measures were: EQ5D 0.51 (0.37), EQ5D visual analogue scale 60.34 (25.11), NeuroQoL Lower extremity 41.47 (10.64), PROMIS physical function 39.49 (10.07), and PROMIS Global Mental Health 44.23 (10.36). Adjusted analysis demonstrated ambulatory status at presentation, and at 1 year, to be important drivers of HRQL, irrespective of other factors including IVDU and ASIA grade. Patients with independent ambulatory function at 1 year had mean EQ5D utility of 0.65 (95% CI 0.55, 0.75), whereas those requiring assistive devices saw a 49% decrease with mean EQ5D utility of 0.32 (0.14, 0.51). Ambulatory status was associated with global and physical function but did not impact overall health self-assessment or mental health scores., Conclusions: We found that ambulatory status was the most important factor associated with long-term HRQL regardless of other factors such as ASIA grade or IVDU. Given prior literature demonstrating the protective effect of operative intervention on ambulatory function, this highlights ambulatory dysfunction as a potential indication for surgery and a marker of poor long-term prognosis, even in the absence of focal neurologic deficits. Our work also highlights the importance of optimized long-term rehabilitation strategies aimed to preserve ambulatory function in this high-risk population., Level of Evidence: Level III, cohort study., Competing Interests: Declaration of Competing Interest One or more of the authors declare financial or professional relationships on ICMJE-TSJ disclosure forms., (Copyright © 2023 Elsevier Inc. All rights reserved.)
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- 2024
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6. A Radiomics-Based Machine Learning Perspective on the Parotid Gland as a Potential Surrogate Marker for HPV in Oropharyngeal Cancer.
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Prasse G, Glaas A, Meyer HJ, Zebralla V, Dietz A, Hering K, Kuhnt T, and Denecke T
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Background: In treatment of oropharyngeal squamous cell carcinoma (OPSCC), human papillomavirus status (HPV) plays a crucial role. The HPV-positive subtype tends to affect younger patients and is associated with a more favorable prognosis. HPV-associated lesions have been described in the parotid gland, which is included in routine imaging for OPSCC. This work aims to explore the ability of an ML system to classify HPV status based on imaging of the parotid gland, which is routinely depicted on staging imaging., Methods: Using a radiomics approach, we investigate the ability of five contemporary machine learning (ML) models to distinguish between HPV-positive and HPV-negative OPSCC based on non-contrast computed tomography (CT) data of tumor volume (TM), locoregional lymph node metastasis (LNM), and the parotid gland (Parotid). After exclusion of cases affected by streak artefacts, 53 patients (training set: 39; evaluation set: 14) were retrospectively evaluated. Classification performances were tested for significance against random optimistic results., Results: The best results are AUC 0.71 by XGBoost (XGB) for TM, AUC 0.82 by multi-layer perceptron (MLP) for LNM, AUC 0.76 by random forest (RF) for Parotid, and AUC 0.86 by XGB for a combination of all three regions of interest (ROIs)., Conclusions: The results suggest involvement of the parotid gland in HPV infections of the oropharyngeal region. While the role of HPV in parotid lesions is under active discussion, the migration of the virus from the oral cavity to the parotid gland seems plausible. The imaging of the parotid gland offers the benefit of fewer streak artifacts due to teeth and dental implants and the potential to screen for HPV in cases of an absent or unlocatable tumor. Future investigation can be directed to validation of the results in independent datasets and to the potential of improvement of current classification models by addition of information based on the parotid gland.
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- 2023
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7. Report of the "Women in Academic Spine" Initiative.
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Koshinski JL, Xiong GX, Agaronnik N, Byrd C, Call CM, Enchill Z, Giberson-Chen C, Hering K, Hislop C, McGovern MM, Parker A, Schoenfeld AL, Yuen LC, Ihejirika-Lomedico R, and Lipa SA
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- Female, Humans, Diversity, Equity, Inclusion, Spine, Orthopedic Procedures
- Abstract
Competing Interests: The authors report no conflicts of interest.
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- 2023
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8. Health-Care Utilization and Expenditures Associated with Long-Term Treatment After Combat and Non-Combat-Related Orthopaedic Trauma.
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Hering K, Fisher MWA, Dalton MK, Simpson AK, Ye J, Suneja N, Cooper Z, Koehlmoos TP, and Schoenfeld AJ
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- Health Expenditures, Humans, Patient Acceptance of Health Care, Retrospective Studies, United States, Blast Injuries surgery, Military Personnel, Musculoskeletal Diseases, Orthopedics
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Background: The long-term consequences of musculoskeletal trauma can be profound and can extend beyond the post-injury period. The surveillance of long-term expenditures among individuals who sustain orthopaedic trauma has been limited in prior work. We sought to compare the health-care requirements of active-duty individuals who sustained orthopaedic injuries in combat and non-combat (United States) environments using TRICARE claims data., Methods: We identified service members who sustained combat or non-combat musculoskeletal injuries between 2007 and 2011. Combat-injured personnel were matched to those in the non-combat-injured cohort on a 1:1 basis using biologic sex, year of the injury, Injury Severity Score (ISS), and age at the index hospitalization. Health-care utilization was surveyed through 2018. The total health-care expenditures over the post-injury period were the primary outcome. These were assessed as a total overall cost and then as costs adjusted per year of follow-up. We used negative binomial regression to identify the independent association between risk factors and health-care expenditures., Results: We identified 2,119 individuals who sustained combat-related orthopaedic trauma and 2,119 individuals who sustained non-combat injuries. The most common mechanism of injury within the combat-injured cohort was blast-related trauma (59%), and 418 individuals (20%) sustained an amputation. The total costs were $156,886 for the combat-injured group compared with $55,873 for the non-combat-injured group (p < 0.001). Combat-related orthopaedic injuries were associated with a 43% increase in health-care expenditures (incidence rate ratio, 1.43 [95% confidence interval, 1.19 to 1.73]). Severe ISS at presentation, ≥2 comorbidities, and amputations were also significantly associated with health-care utilization, as was junior enlisted rank, our proxy for socioeconomic status., Conclusions: Health-care requirements and associated costs are substantial among service members sustaining combat and non-combat orthopaedic trauma. Given the sociodemographic characteristics of our cohort, we believe that these results are translatable to civilians who sustain similar types of musculoskeletal trauma., Competing Interests: Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJS/G926)., (Copyright © 2022 by The Journal of Bone and Joint Surgery, Incorporated.)
- Published
- 2022
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