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Articles 1 - 10 of 10
Full-Text Articles in Medicine and Health Sciences
Differentiating Axonal From Demyelinating Neuropathies Using Multiparametric Quantitative Mri Of Peripheral Nerves, Jacob D. Baraz, Stephanie Xuan, Sadaf Saba, Xue Yang, Ryan Castoro, Yang Xuan, Alison Roth, Richard D. Dortch, Jun Li, Yongsheng Chen
Differentiating Axonal From Demyelinating Neuropathies Using Multiparametric Quantitative Mri Of Peripheral Nerves, Jacob D. Baraz, Stephanie Xuan, Sadaf Saba, Xue Yang, Ryan Castoro, Yang Xuan, Alison Roth, Richard D. Dortch, Jun Li, Yongsheng Chen
Medical Student Research Symposium
Objectives: To develop a multiparametric quantitative MRI (qMRI) method to track pathological changes in the peripheral neuropathies.
Background: Irrespective of the causes or types of polyneuropathies, peripheral nerves are mainly afflicted by two kinds of pathologies – axonal loss and demyelination. It is critical to differentiate between the two as treatments are different for the two conditions. While nerve conduction studies (NCS) have been used to differentiate the two pathologies in the distal nerves, there are no tools to probe the pathologies in the proximal peripheral nerves. This is particularly needed when distal nerves become non-responsive in NCS.
Methods: We …
Worse Postoperative Outcomes And Higher Reoperation In Smokers Compared To Nonsmokers For Arthroscopic Rotator Cuff Repair, Susan G. Wager, Spencer Brown, Michael Gaudiani, Joshua P. Castle, Eric Jiang, Vasilios Moutzouros, Eric Makhni, Stephanie J. Muh
Worse Postoperative Outcomes And Higher Reoperation In Smokers Compared To Nonsmokers For Arthroscopic Rotator Cuff Repair, Susan G. Wager, Spencer Brown, Michael Gaudiani, Joshua P. Castle, Eric Jiang, Vasilios Moutzouros, Eric Makhni, Stephanie J. Muh
Medical Student Research Symposium
Introduction: Smoking impairs healing potential and is a significant risk factor for complications following orthopaedic surgeries. The purpose of this study was to determine if a cohort of former or current smokers at time of surgery met the minimally clinical important difference (MCID) for Patient-Reported Outcomes Measurement Information System Upper Extremity (PROMIS-UE), Depression (PROMIS-D), and Pain Interference (PROMIS-PI) scores in comparison to nonsmokers.
Methods: A retrospective review of patients who underwent rotator cuff repair was performed. Patients who completed preoperative and 6-month postoperative PROMIS scores were included. The MCID was calculated using a distribution technique with a threshold of 0.5 …
Longitudinal Associations Between Dietary Fructose And Sodium And Systolic And Diastolic Blood Pressure Among Us Black And White Adults In The Cardia Study, Rana Elhamzawy, Dragana Komnenov, Daniel Domin
Longitudinal Associations Between Dietary Fructose And Sodium And Systolic And Diastolic Blood Pressure Among Us Black And White Adults In The Cardia Study, Rana Elhamzawy, Dragana Komnenov, Daniel Domin
Medical Student Research Symposium
Longitudinal associations between dietary fructose and sodium and systolic and diastolic blood pressure among US Black and White adults in the CARDIA study
Authors: Rana Elhamzawy, Daniel Domin, Dragana Komnenov
Hypertension is one of the leading risk factors for major adverse cardiovascular events (MACE). Likewise, suboptimal dietary habits, including high fructose and sodium intake, are major contributors to mortality. High dietary fructose alone predisposes to salt-sensitivity of blood pressure, which is an independent, significant cardiovascular risk factor. We previously showed in our rat model of fructose-salt-sensitive hypertension that even a short term (4 weeks) feeding with 20% fructose and 4% …
Topical Anesthetic Gel Interferes With Antibacterial Efficacy Of Povidone-Iodine Both In Vitro And In Vivo, Cecilly Kelleher Bs, Jacob Im Md, Linda Kang Bs, Aleksey Mishulin Md, Sukhvinder Singh Phd, Ashok Kumar Phd
Topical Anesthetic Gel Interferes With Antibacterial Efficacy Of Povidone-Iodine Both In Vitro And In Vivo, Cecilly Kelleher Bs, Jacob Im Md, Linda Kang Bs, Aleksey Mishulin Md, Sukhvinder Singh Phd, Ashok Kumar Phd
Medical Student Research Symposium
Purpose: To evaluate the effects of viscous lidocaine gel on the antimicrobial efficacy of povidone-iodine (PI) and their order of application in both in vitro and in vivo models.
Methods: In vitro antibacterial effects were tested against Staphylococcus aureus (S. aureus) with disc diffusion methods for application of lidocaine alone, PI alone, PI before lidocaine, and lidocaine before PI. Zones of inhibition were measured after incubation at 37°C overnight. Mouse eyes were colonized with S. aureus for in vivo study to which PI and/or lidocaine were applied in various combinations. Eyes were then rinsed with saline, and …
High Output Heart Failure, A Lethal And Forgotten Cause Of Heart Failure, Neiberg A. Lima Md, Ian Detroyer Bs, Saman Razzaq Md, Oluwale Adegbala Md, Preeti Ramappa Md
High Output Heart Failure, A Lethal And Forgotten Cause Of Heart Failure, Neiberg A. Lima Md, Ian Detroyer Bs, Saman Razzaq Md, Oluwale Adegbala Md, Preeti Ramappa Md
Medical Student Research Symposium
Introduction
Cardiac output (CO) is usually low or normal in patients with heart failure. However, some patients have a high CO deemed high-output heart failure (HOHF). HOHF is not well characterized and continues to be under-recognized clinically. At the Detroit VA, we conducted a quality improvement project to define the characteristics of this unique patient population, identify predictors and increase awareness of this entity.
Methods
Patients with HOHF were compared to patients with heart failure with preserved ejection fraction (HFpEF) and normal CO. HOHF was defined as CO >8 L/minute on right heart catheterization performed between 2008-2021. Retrospective data regarding …
Evaluating The Role Of Lvi As An Indicator For Adverse Outcomes In Patients With Upper Tract Urothelial Carcinoma And Its Histological Subtypes, Ivan Rakic, Matthew Davis, Nicholas Corsi, Alexander Stephens, Chase Morrison, Sohrab Arora, Taylor Malchow, Akshay Sood, Craig Rogers, Firas Abdollah
Evaluating The Role Of Lvi As An Indicator For Adverse Outcomes In Patients With Upper Tract Urothelial Carcinoma And Its Histological Subtypes, Ivan Rakic, Matthew Davis, Nicholas Corsi, Alexander Stephens, Chase Morrison, Sohrab Arora, Taylor Malchow, Akshay Sood, Craig Rogers, Firas Abdollah
Medical Student Research Symposium
Lymphvascular invasion (LVI) is recognized as an adverse prognostic factor in many cancers. Our aim is to assess the prognostic ability of LVI in UTUC urothelial carcinoma (UC) and micropapillary urothelial carcinoma (MPUC) subtypes as a predictor of overall survival (OS) using a large North American cohort.
Our cohort included 9750 cM0 UTUC patients who underwent a radical nephroureterectomy (RNU), between 2004 and 2015, within the National Cancer Database (NCDB). The main variable of interest was LVI status, and its interaction with pathological nodal (pN) status. Kaplan-Meier curves were used to estimate the OS. Cox regression analysis tested the impact …
Towards Standardized, Safe And Efficacious Screening Approaches To Patients With Lower Extremity Peripheral Arterial Disease In The Setting Of Lower Extremity Arthroplasty, Zaina N. Khoury, Adam Pearl, Ahmad Hassan, Mohamed Awad, Khaled Saleh
Towards Standardized, Safe And Efficacious Screening Approaches To Patients With Lower Extremity Peripheral Arterial Disease In The Setting Of Lower Extremity Arthroplasty, Zaina N. Khoury, Adam Pearl, Ahmad Hassan, Mohamed Awad, Khaled Saleh
Medical Student Research Symposium
INTRODUCTION: Peripheral arterial disease (PAD) impedes recovery from lower extremity arthroplasties (LEA) and increases risk of complications/mortality, yet there aren’t standards for screening PAD patients pre-LEA. This review proposes some.
METHODS: This review searched databases for articles containing relevant terms. Non-English articles, those unrelated to LEA, and duplicates were excluded. Articles were cross-referenced to find other relevant papers for a total of 111.
RESULTS: Up to 49.2% of PAD patients have CAD. Wagner grade III/IV ulcers increase amputations and decrease wound closures. The Wound, Ischemia, and Foot Infection (WIfI) system provides more accurate, and therefore actionable, assessment. Overlooking PAD in …
Discovering And Validating Enriched Signaling Pathways Associated With Organ-Specific Breast Cancer Metastasis, Dawei Chen
Medical Student Research Symposium
Breast cancer is one of the most prevalent and devastating malignancies in the United States. Owing to its systemic nature and resistance to therapy, metastatic breast cancer is currently considered to be incurable and has a five-year survival rate of 29%. The specific pathways delegating the breast cancer metastatic cascade and tissue-specific breast cancer metastasis has much to explore and offers potential targets for therapeutic intervention. Breast cancer commonly metastasizes to four sites: brain, lung, liver and brain. Each of these sites have niche microenvironments. We hypothesize that unique adaptations and signaling pathways are required for successful metastasis at each …
Factors Associated With Suicide Mortality Among Childbearing-Aged Individuals: A Case-Control Study, Katerina A. Furman, Amy Loree Phd, Leah Hecht Phd, Katerina Furman Md Candidate, Lyuba Gavrilova Bs, Hsueh-Han Yeh Phd, Catherine Frank Md, Brian Ahmedani Phd
Factors Associated With Suicide Mortality Among Childbearing-Aged Individuals: A Case-Control Study, Katerina A. Furman, Amy Loree Phd, Leah Hecht Phd, Katerina Furman Md Candidate, Lyuba Gavrilova Bs, Hsueh-Han Yeh Phd, Catherine Frank Md, Brian Ahmedani Phd
Medical Student Research Symposium
Purpose: Examine pregnancy-related, demographic, psychosocial and healthcare utilization factors among childbearing-aged individuals who were pregnant, postpartum or who experienced pregnancy loss
Methods: Data from nine health care systems in the Mental Health Research Network was included in this sample. A case-control study design was used in which 290 childbearing-age individuals who died by suicide (cases) from 2000-2015 were matched with 10 childbearing-age individuals from the same healthcare system and enrolled during the same time period who did not die by suicide (n=2,900). Conditional logistic regression was used to analyze associations between pregnancy/postpartum/pregnancy loss status and suicide.
Results: …
Multivisceral Transplant Prognosis And Complications In Patients With Metastatic Neuroendocrine Tumor, Austin Mueller, Syed-Mohammed Jafri
Multivisceral Transplant Prognosis And Complications In Patients With Metastatic Neuroendocrine Tumor, Austin Mueller, Syed-Mohammed Jafri
Medical Student Research Symposium
Neuroendocrine tumors (NETs) are a rare subset of cancers that most commonly arise in the gastrointestinal tract, but can also arise in the pancreas, lungs, ovaries, thyroid, pituitary gland, and adrenal gland. When patients present with metastatic NETs, physicians have a variety of therapeutic options. Considering these options, transplant specialists are often involved due to the profound therapeutic effects of multi-organ transplantation. However, little information is available on prognosis/complications for patients that receive multi-organ transplants due to severe metastatic NETs.
With the incidence of NETs in the United States trending in an upward direction, researchers and physicians must understand the …