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Articles 31 - 60 of 136
Full-Text Articles in Surgery
Management Of The Sensitized Cardiac Transplantation Recipient, Michael Mazzei, Suresh Keshavamurthy, Olga Timofeeva, Yoshiya Toyoda
Management Of The Sensitized Cardiac Transplantation Recipient, Michael Mazzei, Suresh Keshavamurthy, Olga Timofeeva, Yoshiya Toyoda
Surgery Faculty Publications
Preoperative sensitization of the cardiac transplant recipient, defined as the presence of anti-Human Leukocyte Antigen (HLA) antibodies before transplant, represents a significant management challenge for physicians. Sensitization prolongs the pre-transplant wait time and is associated with postoperative transplant complications and death. It is critical that sensitized heart transplant candidates be identified and optimized before surgery. In this review, we describe the risk for sensitization, discuss the means through which sensitization may be diagnosed, and highlight some of the new therapeutic options for managing the sensitized cardiac transplant patients.
Relationship Between Preoperative Frailty And Postoperative Outcomes After Lvad Implantation, Katherine L. Wilhelm
Relationship Between Preoperative Frailty And Postoperative Outcomes After Lvad Implantation, Katherine L. Wilhelm
DNP Projects
Abstract
Background: Frailty is common in many patients with advanced heart failure, including those who undergo left ventricular assist device (LVAD) implantation. Frailty has been associated with worse outcomes after other cardiac surgeries; however, little is known about the effect of frailty on postoperative outcomes after LVAD implant.
Purpose: The purpose of this project was to evaluate whether preoperative frailty [as determined by either short physical performance battery (SPPB) score ≤ 7/12 or 6-minute walk test (6-MWT) <200 >meters] is associated with poorer postoperative outcomes after LVAD implantation than non-frailty in adults with advanced heart failure.
Setting and Sample: This project …
Complications In Cardiac Surgery, Christine Williamitis
Complications In Cardiac Surgery, Christine Williamitis
Theses and Dissertations--Nursing
Quality of care and outcomes from cardiac surgery have always been of primary importance to providers and the entire health care team when caring for cardiac surgical patients. Providers in cardiac surgery have had a long history of tracking procedural morbidity and mortality rates in programs nationally and internationally. Morbidity and mortality rates vary widely among hospitals. In most studies in which procedural outcomes from cardiac surgery are evaluated, the focus has been on operative morbidity and mortality and the probability of death after a cardiac surgical procedure. Less attention has been paid to predictors of perioperative complications, and sample …
Laparoscopic Partial Splenectomy For A Splenic Hamartoma, Vashisht Madabhushi, Timothy Horrell, John M. Draus
Laparoscopic Partial Splenectomy For A Splenic Hamartoma, Vashisht Madabhushi, Timothy Horrell, John M. Draus
Surgery Faculty Publications
Objective
We discuss current knowledge and management of splenic hamartoma, an uncommon form of benign tumor.
Summary background data
A splenic hamartoma is a rare form of benign splenic mass, often found incidentally while working up other complaints, and is typically treated by surgical resection of the mass. In this case, we discuss the management of an incidentally found splenic hamartoma that was treated with laparoscopic partial splenectomy.
Methods
The patient presented in the Emergency Department complaining of periumbilical pain after having been struck in the abdomen with a soccer ball the previous day. Following a physical exam and blood …
Congenital Nasal Pyriform Aperture Stenosis Repair: A Case Series And Discussion Of Postoperative Care, Harper L. Wilson, Nicholas Van Maele, Kenneth C. Iverson
Congenital Nasal Pyriform Aperture Stenosis Repair: A Case Series And Discussion Of Postoperative Care, Harper L. Wilson, Nicholas Van Maele, Kenneth C. Iverson
Otolaryngology--Head & Neck Surgery Faculty Publications
Congenital nasal pyriform aperture stenosis (CNPAS) is a rare condition related to holoprosencephaly in which bony overgrowth of the medial nasal process of the maxilla narrows the pyriform aperture. CNPAS presents in neonates with signs of upper airway obstruction ranging from mild to severe respiratory distress and failure to thrive. Surgical intervention is indicated after failed conservative measures and generally includes temporary stent placement. We report a series of 3 cases of CNPAS treated surgically, examine postoperative care recommendations in the literature, and present a comprehensive postoperative care regimen with a novel method to maintain stent patency.
Cardioplastic Approach To Omental Flap Coverage For Severe Aortic Root Infections In The Opioid Era, Alisha R. Bonaroti, R. Wesley Edmunds, Ryan C. Decoster, James Y. Liau, Michael E. Sekela, Henry C. Vasconez
Cardioplastic Approach To Omental Flap Coverage For Severe Aortic Root Infections In The Opioid Era, Alisha R. Bonaroti, R. Wesley Edmunds, Ryan C. Decoster, James Y. Liau, Michael E. Sekela, Henry C. Vasconez
Surgery Faculty Publications
Aortic root abscesses are severe sequelae of endocarditis that clinically manifest as life-threatening infection. As the opioid epidemic continues to yield a national crisis, the incidence and severity of this disease process have increased. Reconstruction of the aortic root is a challenging undertaking and carries the risk of recurrent infection. The omentum has an established reputation as a reliable flap in thoracic reconstruction, given its amorphous form and immunogenic properties, but it has not been utilized for aortic root infections. We present a novel indication for the omental flap using a cardioplastic approach in coverage of aortic root reconstruction. Four …
From Leads To Leadless: A Convoluted Journey, Vipin Dulam, Joshua M. Cooper, Chethan Gangireddy, Mohammed A. Kashem, Yoshiya Toyoda, Suresh Keshavamurthy
From Leads To Leadless: A Convoluted Journey, Vipin Dulam, Joshua M. Cooper, Chethan Gangireddy, Mohammed A. Kashem, Yoshiya Toyoda, Suresh Keshavamurthy
Surgery Faculty Publications
No abstract provided.
Upregulation Of Cpt1a Is Essential For The Tumor-Promoting Effect Of Adipocytes In Colon Cancer, Xiaopeng Xiong, Yang-An Wen, Rachelle Fairchild, Yekaterina Y. Zaytseva, Heidi L. Weiss, B. Mark Evers, Tianyan Gao
Upregulation Of Cpt1a Is Essential For The Tumor-Promoting Effect Of Adipocytes In Colon Cancer, Xiaopeng Xiong, Yang-An Wen, Rachelle Fairchild, Yekaterina Y. Zaytseva, Heidi L. Weiss, B. Mark Evers, Tianyan Gao
Markey Cancer Center Faculty Publications
Colon tumors grow in an adipose tissue-enriched microenvironment. Locally advanced colon cancers often invade into surrounding adipose tissue with a direct contact with adipocytes. We have previously shown that adipocytes promote tumor growth by modulating cellular metabolism. Here we demonstrate that carnitine palmitoyltransferase I (CPT1A), a key enzyme controlling fatty acid oxidation (FAO), was upregulated in colon cancer cells upon exposure to adipocytes or fatty acids. In addition, CPT1A expression was increased in invasive tumor cells within the adipose tissue compared to tumors without direct contact with adipocytes. Silencing CPT1A abolished the protective effect provided by fatty acids against nutrient …
Spermine Synthase And Myc Cooperate To Maintain Colorectal Cancer Cell Survival By Repressing Bim Expression, Yubin Guo, Qing Ye, Pan Deng, Yanan Cao, Daheng He, Zhaohe Zhou, Chi Wang, Yekaterina Y. Zaytseva, Charles E. Schwartz, Eun Young Lee, B. Mark Evers, Andrew J. Morris, Side Liu, Qing-Bai She
Spermine Synthase And Myc Cooperate To Maintain Colorectal Cancer Cell Survival By Repressing Bim Expression, Yubin Guo, Qing Ye, Pan Deng, Yanan Cao, Daheng He, Zhaohe Zhou, Chi Wang, Yekaterina Y. Zaytseva, Charles E. Schwartz, Eun Young Lee, B. Mark Evers, Andrew J. Morris, Side Liu, Qing-Bai She
Markey Cancer Center Faculty Publications
Dysregulation of polyamine metabolism has been linked to the development of colorectal cancer (CRC), but the underlying mechanism is incompletely characterized. Here, we report that spermine synthase (SMS), a polyamine biosynthetic enzyme, is overexpressed in CRC. Targeted disruption of SMS in CRC cells results in spermidine accumulation, which inhibits FOXO3a acetylation and allows subsequent translocation to the nucleus to transcriptionally induce expression of the proapoptotic protein Bim. However, this induction is blunted by MYC-driven expression of miR-19a and miR-19b that repress Bim production. Pharmacological or genetic inhibition of MYC activity in SMS-depleted CRC cells dramatically induces Bim expression and apoptosis …
Endoluminal Graft System And Method Of Implanting The Same, David J. Minion
Endoluminal Graft System And Method Of Implanting The Same, David J. Minion
Surgery Faculty Patents
An endoluminal graft system comprising an endoluminal graft including a framework and a flexible fabric surrounding the framework, a deflection means configured for placement through an opening to a branching vessel, and a delivery catheter configured to position the endoluminal graft within a primary vessel. A method of implanting the endoluminal graft includes positioning the endoluminal graft within a primary vessel with a leading edge of the endoluminal graft adjacent to an opening to a branching vessel. A deflecting means is positioned through the opening to the branching vessel adjacent to the leading edge of the endoluminal graft. The endoluminal …
A Rare Case Of Rapidly Enlarging Myelolipoma In Sickle Cell Disease, Paran Davari, Cortney Y. Lee, James T. Lee
A Rare Case Of Rapidly Enlarging Myelolipoma In Sickle Cell Disease, Paran Davari, Cortney Y. Lee, James T. Lee
Surgery Faculty Publications
Objective
Adrenal myelolipoma (AM) is a benign tumor composed of mature fat cells and hemopoietic elements. Most AMs are incidental findings on imaging and clinically asymptomatic. The purpose of this case report is to describe a rare case of AM and explore its clinical manifestations, imaging features, and treatment.
Methods
In this study, we report a case of a rapidly growing right AM in a patient with uncontrolled hemoglobin sickle cell disease. A 38-year-old male presented to our institution's endocrine surgery clinic for evaluation of an enlarging right adrenal mass. This mass was incidentally found during an abdominal ultrasound performed …
Transfusion Rates In Emergency General Surgery: High But Modifiable, Andrew Medvecz, Andrew C. Bernard, Courtney Hamilton, Kevin M. Schuster, Oscar Guillamondegui, Daniel L. Davenport
Transfusion Rates In Emergency General Surgery: High But Modifiable, Andrew Medvecz, Andrew C. Bernard, Courtney Hamilton, Kevin M. Schuster, Oscar Guillamondegui, Daniel L. Davenport
Surgery Faculty Publications
Background: Transfusion of red blood cells (RBC) increases morbidity and mortality, and emergency general surgery (EGS) cases have increased risk for transfusion and complication given case complexity and patient acuity. Transfusion reduction strategies and blood-conservation technology have been developed to decrease transfusions. This study explores whether transfusion rates in EGS have decreased as these new strategies have been implemented.
Methods: This is a retrospective review of the American College of Surgeons' National Surgical Quality Improvement Program (ACS NSQIP) data from three academic medical centers. Operations performed by general surgeons on adults (aged ≥18 years) were selected. Data were analyzed from …
Impaired Meningeal Lymphatic Vessel Development Worsens Stroke Outcome, Pavel Yanev, Katherine Poinsatte, Devon Hominick, Noor Khurana, Kielen R. Zuurbier, Marcus Berndt, Erik J. Plautz, Michael T. Dellinger, Ann M. Stowe
Impaired Meningeal Lymphatic Vessel Development Worsens Stroke Outcome, Pavel Yanev, Katherine Poinsatte, Devon Hominick, Noor Khurana, Kielen R. Zuurbier, Marcus Berndt, Erik J. Plautz, Michael T. Dellinger, Ann M. Stowe
Neurology Faculty Publications
The discovery of meningeal lymphatic vessels (LVs) has sparked interest in identifying their role in diseases of the central nervous system. Similar to peripheral LVs, meningeal LVs depend on vascular endothelial growth factor receptor-3 (VEGFR3) signaling for development. Here we characterize the effect of stroke on meningeal LVs, and the impact of meningeal lymphatic hypoplasia on post-stroke outcomes. We show that photothrombosis (PT), but not transient middle cerebral artery occlusion (tMCAo), induces meningeal lymphangiogenesis in young male C57Bl/J6 mice. We also show that Vegfr3wt/mut mice develop significantly fewer meningeal LVs than Vegfr3wt/wt mice. Again, meningeal lymphangiogenesis occurs in …
Gynecologic Large Cell Neuroendocrine Carcinoma: A Review, Grant Burkeen, Aman Chauhan, Rohitashva Agrawal, Riva Raiker, Jill M. Kolesar, Lowell B. Anthony, B. Mark Evers, Susanne Arnold
Gynecologic Large Cell Neuroendocrine Carcinoma: A Review, Grant Burkeen, Aman Chauhan, Rohitashva Agrawal, Riva Raiker, Jill M. Kolesar, Lowell B. Anthony, B. Mark Evers, Susanne Arnold
Internal Medicine Faculty Publications
Large cell neuroendocrine carcinomas (LCNEC) are rare, aggressive high-grade neuroendocrine neoplasms within the neuroendocrine cell lineage spectrum. This manuscript provides a detailed review of published literature on LCNEC of gynecological origin. We performed a PubMed search for material available on gynecologic LCNEC. We analyzed 104 unique cases of gynecologic LCNECs, of which 45 were cervical primary, 45 were ovarian, 13 were uterine, and 1 was vaginal. A total of 45 cases of cervical LCNEC were identified with a median age of 36 years. Median overall survival was 16 months. We identified 45 ovarian LCNEC cases in the published literature with …
Chronic Muscle Weakness And Mitochondrial Dysfunction In The Absence Of Sustained Atrophy In A Preclinical Sepsis Model, Allison M. Owen, Samir P. Patel, Jeffrey D. Smith, Beverly K. Balasuriya, Stephanie F. Mori, Gregory S. Hawk, Arnold J. Stromberg, Naohide Kuriyama, Masao Kaneki, Alexander G. Rabchevsky, Timothy A. Butterfield, Karyn A. Esser, Charlotte A. Peterson, Marlene E. Starr, Hiroshi Saito
Chronic Muscle Weakness And Mitochondrial Dysfunction In The Absence Of Sustained Atrophy In A Preclinical Sepsis Model, Allison M. Owen, Samir P. Patel, Jeffrey D. Smith, Beverly K. Balasuriya, Stephanie F. Mori, Gregory S. Hawk, Arnold J. Stromberg, Naohide Kuriyama, Masao Kaneki, Alexander G. Rabchevsky, Timothy A. Butterfield, Karyn A. Esser, Charlotte A. Peterson, Marlene E. Starr, Hiroshi Saito
Physiology Faculty Publications
Chronic critical illness is a global clinical issue affecting millions of sepsis survivors annually. Survivors report chronic skeletal muscle weakness and development of new functional limitations that persist for years. To delineate mechanisms of sepsis-induced chronic weakness, we first surpassed a critical barrier by establishing a murine model of sepsis with ICU-like interventions that allows for the study of survivors. We show that sepsis survivors have profound weakness for at least 1 month, even after recovery of muscle mass. Abnormal mitochondrial ultrastructure, impaired respiration and electron transport chain activities, and persistent protein oxidative damage were evident in the muscle of …
Method Of Predicting Obesity Comprising Measuring Neurotensin, B. Mark Evers, Jing Li, Paul Dobner, Olle Melander
Method Of Predicting Obesity Comprising Measuring Neurotensin, B. Mark Evers, Jing Li, Paul Dobner, Olle Melander
Surgery Faculty Patents
The presently disclosed subject matter relates to a method for predicting increased risk of obesity on a non-obese subject. More particularly, the presently disclosed subject matter relates to a method of predicting increased risk of obesity in a non-obese subject by determining a level of neurotensin expression in a biological sample from the subject and comparing the level of neurotensin expression in the sample with a control level. The presently disclosed subject matter further relates to a method of preventing and/or treating obesity in a subject in need thereof by administering to the subject an effective amount of an agent …
Metformin Blunts Muscle Hypertrophy In Response To Progressive Resistance Exercise Training In Older Adults: A Randomized, Double‐Blind, Placebo‐Controlled, Multicenter Trial: The Masters Trial, R. Grace Walton, Cory M. Dungan, Douglas E. Long, S. Craig Tuggle, Kate Kosmac, Bailey D. Peck, Heather M. Bush, Alejandro G. Villasante Tezanos, Gerald Mcgwin, Samuel T. Windham, Fernando Ovalle, Marcas M. Bamman, Philip A. Kern, Charlotte A. Peterson
Metformin Blunts Muscle Hypertrophy In Response To Progressive Resistance Exercise Training In Older Adults: A Randomized, Double‐Blind, Placebo‐Controlled, Multicenter Trial: The Masters Trial, R. Grace Walton, Cory M. Dungan, Douglas E. Long, S. Craig Tuggle, Kate Kosmac, Bailey D. Peck, Heather M. Bush, Alejandro G. Villasante Tezanos, Gerald Mcgwin, Samuel T. Windham, Fernando Ovalle, Marcas M. Bamman, Philip A. Kern, Charlotte A. Peterson
Center for Muscle Biology Faculty Publications
Progressive resistance exercise training (PRT) is the most effective known intervention for combating aging skeletal muscle atrophy. However, the hypertrophic response to PRT is variable, and this may be due to muscle inflammation susceptibility. Metformin reduces inflammation, so we hypothesized that metformin would augment the muscle response to PRT in healthy women and men aged 65 and older. In a randomized, double-blind trial, participants received 1,700 mg/day metformin (N = 46) or placebo (N = 48) throughout the study, and all subjects performed 14 weeks of supervised PRT. Although responses to PRT varied, placebo gained more lean body …
Graft Within A Graft Endoluminal Graft, David J. Minion
Graft Within A Graft Endoluminal Graft, David J. Minion
Surgery Faculty Patents
A segmented endograft includes at least one positioning segment and at least one main body segment which are separately deployable. The at least one positioning segment and at least one main body segment may be connected one to another. For example, the at least one positioning segment and at least one main body segment may be connected along a portion of a circumference thereof, but unconnected along a remainder of the circumference thereof. The at least one positioning segment overlaps a portion of the at least one main body segment. Deployment systems may include the segmented endograft and the segmented …
Packed Red Blood Cell Transfusion Associates With Acute Kidney Injury After Transcatheter Aortic Valve Replacement, Akeel M. Merchant, Javier A. Neyra, Abu Minhajuddin, Lauren E. Wehrmann, Richard A. Mills, Sarah K. Gualano, Dharam J. Kumbhani, Lynn C. Huffman, Michael E. Jessen, Amanda A. Fox
Packed Red Blood Cell Transfusion Associates With Acute Kidney Injury After Transcatheter Aortic Valve Replacement, Akeel M. Merchant, Javier A. Neyra, Abu Minhajuddin, Lauren E. Wehrmann, Richard A. Mills, Sarah K. Gualano, Dharam J. Kumbhani, Lynn C. Huffman, Michael E. Jessen, Amanda A. Fox
Internal Medicine Faculty Publications
Background: Acute kidney injury after cardiac surgery significantly associates with morbidity and mortality. Despite not requiring cardiopulmonary bypass, transcatheter aortic valve replacement patients have an incidence of post-procedural acute kidney injury similar to patients who undergo open surgical aortic valve replacement. Packed red blood cell transfusion has been associated with morbidity and mortality after cardiac surgery. We hypothesized that packed red blood cell transfusion independently associates with acute kidney injury after transcatheter aortic valve replacement, after accounting for other risk factors.
Methods: This is a single-center retrospective cohort study of 116 patients undergoing transcatheter aortic valve replacement. Post-transcatheter aortic valve …
Tumor Heterogeneity As A Predictor Of Response To Neoadjuvant Chemotherapy In Locally Advanced Rectal Cancer, Alissa Greenbaum, David R. Martin, Therese J. Bocklage, Ji-Hyun Lee, Scott A. Ness, Ashwani Rajput
Tumor Heterogeneity As A Predictor Of Response To Neoadjuvant Chemotherapy In Locally Advanced Rectal Cancer, Alissa Greenbaum, David R. Martin, Therese J. Bocklage, Ji-Hyun Lee, Scott A. Ness, Ashwani Rajput
Pathology and Laboratory Medicine Faculty Publications
BACKGROUND: Neoadjuvant chemoradiotherapy (nCRT) is the standard of care for locally advanced adenocarcinoma of the rectum, but it is currently unknown which patients have disease that will respond. This study tested the correlation between response to nCRT and intratumoral heterogeneity using next-generation sequencing assays.
PATIENTS AND METHODS: DNA was extracted from formalin-fixed, paraffin-embedded biopsy samples from a cohort of patients with locally advanced rectal adenocarcinoma (T3/4 or N1/2 disease) who received nCRT. High read-depth sequencing of > 400 cancer-relevant genes was performed. Tumor mutations and variant allele frequencies were used to calculate mutant-allele tumor heterogeneity (MATH) scores as measures of intratumoral …
Performance Of The Promis In Patients Undergoing 3 Common Elbow Procedures, Edward O. Rojas, Natalie Glass, Jessell Owens, Chris A. Anthony, Matthew Bollier, Brian R. Wolf, Carolyn Hettrich
Performance Of The Promis In Patients Undergoing 3 Common Elbow Procedures, Edward O. Rojas, Natalie Glass, Jessell Owens, Chris A. Anthony, Matthew Bollier, Brian R. Wolf, Carolyn Hettrich
Orthopaedic Surgery and Sports Medicine Faculty Publications
Background: Ulnar collateral ligament (UCL) reconstruction, distal biceps tendon repair, and elbow arthroscopic surgery are common elbow procedures performed in active patients.
Hypothesis: We hypothesized (1) good to excellent correlation between Patient-Reported Outcomes Measurement Information System (PROMIS) instruments and traditional orthopaedic upper extremity patient-reported outcome (PRO) measures; (2) that PROMIS instruments would demonstrate ceiling effects; and (3) that the PROMIS physical function computer adaptive test (PF CAT) would demonstrate a low question burden compared with other PRO instruments.
Study Design: Cohort study (diagnosis); Level of evidence, 2.
Methods: A total of 76 patients undergoing UCL repair/reconstruction, distal biceps tendon repair, …
Aseptic Loosening Of An Aptis Distal Radioulnar Joint Arthroplasty – Case Report, Karis Bennett, Srinath Kamineni
Aseptic Loosening Of An Aptis Distal Radioulnar Joint Arthroplasty – Case Report, Karis Bennett, Srinath Kamineni
Orthopaedic Surgery and Sports Medicine Faculty Publications
Dysfunction of the distal radioulnar joint can cause significant pain and instability. The self-stabilizing APTIS distal radioulnar joint prosthesis is used as a solution for severe distal radioulnar joint pathologies. We present a case of a 60-year-old male, who received an APTIS distal radioulnar joint prosthesis which resulted in aseptic loosening within five years of the initial implantation. Infection, incorrect implantation, demographic differences and over-activity were all excluded as the source; therefore, mechanical aseptic loosening was concluded. Ultimately, two surgeries were required to resolve the patient's pain, which resulted in a one-bone forearm once the implant was extracted. The solution …
Venoarterial Extracorporeal Membrane Oxygenation And Implantable Cardioverter-Defibrillator Implantation In A Hemodynamically Unstable Infant With Ventricular Tachycardia From Multiple Cardiac Rhabdomyomas, Victor Kieu, Richard J. Czosek, Timothy K. Knilans, James A. Quintessenza, Roosevelt Bryant Iii, Shaun Mohan
Venoarterial Extracorporeal Membrane Oxygenation And Implantable Cardioverter-Defibrillator Implantation In A Hemodynamically Unstable Infant With Ventricular Tachycardia From Multiple Cardiac Rhabdomyomas, Victor Kieu, Richard J. Czosek, Timothy K. Knilans, James A. Quintessenza, Roosevelt Bryant Iii, Shaun Mohan
Pediatrics Faculty Publications
Tuberous sclerosis complex (TSC) is a neurocutaneous disorder characterized by benign tissue hamartomas in multiple organ systems, including cardiac rhabdomyomas. Though prevalent in TSC, cardiac tumors are rare in children, occurring in about 0.03%–0.17%. Rhabdomyomas are the most common, accounting for 45%. When present, they are multiple and in the ventricular myocardium. Frequently, they regress and surveillance is all that is required until spontaneous regression. Intervention is necessary when life-threatening obstruction or hemodynamically significant refractory arrhythmias occur. This case highlights the course of a 6-month-old infant with TSC and cardiac rhabdomyomas who presented in refractory ventricular tachycardia (VT) with decompensation …
Impact Of The Affordable Care Act On Colorectal Cancer Screening, Incidence, And Survival In Kentucky, Tong Gan, Heather F. Sinner, Samuel C. Walling, Quan Chen, Bin Huang, Thomas C. Tucker, Jitesh A. Patel, B. Mark Evers, Avinash S. Bhakta
Impact Of The Affordable Care Act On Colorectal Cancer Screening, Incidence, And Survival In Kentucky, Tong Gan, Heather F. Sinner, Samuel C. Walling, Quan Chen, Bin Huang, Thomas C. Tucker, Jitesh A. Patel, B. Mark Evers, Avinash S. Bhakta
Surgery Faculty Publications
Background
Kentucky ranks first in the US in cancer incidence and mortality. Compounded by high poverty levels and a high rate of medically uninsured, cancer rates are even worse in Appalachian Kentucky. Being one of the first states to adopt the Affordable Care Act (ACA) Medicaid expansion, insurance coverage markedly increased for Kentucky residents. The purpose of our study was to determine the impact of Medicaid expansion on colorectal cancer (CRC) screening, diagnosis, and survival in Kentucky.
Study Design
The Kentucky Cabinet for Health and Family Services and the Kentucky Cancer Registry were queried for individuals (≥20 years) undergoing CRC …
Autophagic Flux Modulation By Wnt/Β-Catenin Pathway Inhibition In Hepatocellular Carcinoma, Lilia Turcios, Heather E. Chacon, Catherine Garcia, Pedro Eman, Virgilius Cornea, Jieyun Jiang, Brett T. Spear, Chunming Liu, David S. Watt, Francesc Marti, Roberto Gedaly
Autophagic Flux Modulation By Wnt/Β-Catenin Pathway Inhibition In Hepatocellular Carcinoma, Lilia Turcios, Heather E. Chacon, Catherine Garcia, Pedro Eman, Virgilius Cornea, Jieyun Jiang, Brett T. Spear, Chunming Liu, David S. Watt, Francesc Marti, Roberto Gedaly
Surgery Faculty Publications
Autophagy targets cellular components for lysosomal-dependent degradation in which the products of degradation may be recycled for protein synthesis and utilized for energy production. Autophagy also plays a critical role in cell homeostasis and the regulation of many physiological and pathological processes and prompts this investigation of new agents to effect abnormal autophagy in hepatocellular carcinoma (HCC). 2,5-Dichloro-N-(2-methyl-4-nitrophenyl) benzenesulfonamide (FH535) is a synthetic inhibitor of the Wnt/β-catenin pathway that exhibits anti-proliferative and anti-angiogenic effects on different types of cancer cells. The combination of FH535 with sorafenib promotes a synergistic inhibition of HCC and liver cancer stem cell proliferation, …
Clinical Features, Survival And Prognostic Factors Of Glycogen-Rich Clear Cell Carcinoma (Grcc) Of The Breast In The U.S. Population, Zhengqiu Zhou, Connor J. Kinslow, Hanina Hibshoosh, Hua Guo, Simon K. Cheng, Chunyan He, Matthew S. Gentry, Ramon C. Sun
Clinical Features, Survival And Prognostic Factors Of Glycogen-Rich Clear Cell Carcinoma (Grcc) Of The Breast In The U.S. Population, Zhengqiu Zhou, Connor J. Kinslow, Hanina Hibshoosh, Hua Guo, Simon K. Cheng, Chunyan He, Matthew S. Gentry, Ramon C. Sun
Molecular and Cellular Biochemistry Faculty Publications
The World Health Organization (WHO) defines glycogen-rich clear cell carcinoma (GRCC) of the breast as a carcinoma with glycogen accumulation in more than 90% of its tumor cells. Due to the rarity of this disease, its reported survival and clinical associations have been inconsistent due to reliance on case reports and limited case series. As a result, the prognostic implication of this cancer subtype remains unclear. Using the U.S. Surveillance, Epidemiology, and End Results (SEER) program database, we compared the incidence, demographics and prognostic factors of 155 cases of GRCC of the breast to 1,251,584 cases of other (non-GRCC) breast …
Autologous Peripheral Nerve Grafts To The Brain For The Treatment Of Parkinson's Disease, Andrew Welleford
Autologous Peripheral Nerve Grafts To The Brain For The Treatment Of Parkinson's Disease, Andrew Welleford
Theses and Dissertations--Neuroscience
Parkinson’s disease (PD) is a disorder of the nervous system that causes problems with movement (motor symptoms) as well as other problems such as mood disorders, cognitive changes, sleep disorders, constipation, pain, and other non-motor symptoms. The severity of PD symptoms worsens over time as the disease progresses, and while there are treatments for the motor and some non-motor symptoms there is no known cure for PD. Thus there is a high demand for therapies to slow the progressive neurodegeneration observed in PD. Two clinical trials at the University of Kentucky College of Medicine (NCT02369003, NCT01833364) are currently underway that …
Femoroacetabular Impingement As A Complication Of Acetabular Fracture Fixation, David A. Zuelzer, Christopher B. Hayes, Raymond D. Wright, Stephen T. Duncan
Femoroacetabular Impingement As A Complication Of Acetabular Fracture Fixation, David A. Zuelzer, Christopher B. Hayes, Raymond D. Wright, Stephen T. Duncan
Orthopaedic Surgery and Sports Medicine Faculty Publications
Case
We present the case of a thirteen-year-old female who sustained a posterior wall acetabular fracture dislocation. She underwent urgent closed reduction and subsequent uncomplicated open reduction and internal fixation. Post reduction computed tomography demonstrated a concentrically reduced hip joint with no evidence of femoroacetabular impingement (FAI). She subsequently healed her fracture and returned to running activities; however, one year later presented with aching pain in her thigh. Radiographs demonstrated the development of a large osseous prominence on her anterolateral femoral neck consistent with femoroacetabular impingement. Based on these findings she was evaluated by a hip preservation specialist. She subsequently …
Validation Of Near Infrared Fluorescence (Nirf) Probes In Vivo With Dual Laser Nirf Endoscope, Manisha Shrivastav, Elias Gounaris, Mohammad W. Khan, Jeffrey Ko, Stacy H. Ryu, Matthew Bogyo, Andrew Larson, Terrence A. Barrett, David J. Bentrem
Validation Of Near Infrared Fluorescence (Nirf) Probes In Vivo With Dual Laser Nirf Endoscope, Manisha Shrivastav, Elias Gounaris, Mohammad W. Khan, Jeffrey Ko, Stacy H. Ryu, Matthew Bogyo, Andrew Larson, Terrence A. Barrett, David J. Bentrem
Internal Medicine Faculty Publications
Purpose
The development of NIRF cathepsin activity probes offered the ability to visualize tumor associated tumor reaction and act as a surrogate marker to delineate the dysplastic lesions. One major type is a NIRF substrate of cathepsins (SBP), which is involved in catalytic way to produce high levels of fluorescence emission. The other major type (ABP) reacts with active cathepsins in stoichiometric manner since they bind covalently with their active center. Little is known about the sensitivity and the specificity of the NIRF probes to detect autochthonous developed dysplastic lesions. Dual laser NIRF endoscope provides a good tool to determine …
P-21 Activated Kinase As A Molecular Target For Chemoprevention In Diabetes, Kyle Dammann, Vineeta Khare, Clyde Coleman, Henrik Berdel, Christoph Gasche
P-21 Activated Kinase As A Molecular Target For Chemoprevention In Diabetes, Kyle Dammann, Vineeta Khare, Clyde Coleman, Henrik Berdel, Christoph Gasche
Surgery Faculty Publications
Hypothesis: Anti-diabetic drugs modulate p-21 activated kinase (PAK) signaling. Introduction: Type 2 diabetes mellitus (T2DM) is a chronic inflammatory disease associated with increased cancer risk. PAK signaling is implicated in cellular homeostasis when regulated, and cancer when unrestrained. Recent reports provided a role for PAK signaling in glucose homeostasis, but the role of PAKs in the pathogenesis of T2DM is unknown. Here, we performed a mini-meta-analysis to explore if anti-diabetic drugs modify PAK signaling pathways, and provide insight regarding modulation of these pathways, to potentially reduce diabetes-associated cancer risk. Methods: PAK interacting partners in T2DM were identified using the online …