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Articles 2101 - 2130 of 2258
Full-Text Articles in Medicine and Health Sciences
Membranoproliferative Glomerulonephritis Recurrence After Kidney Transplantation: Using The New Classification., Sami Alasfar, Naima Carter-Monroe, Avi Z Rosenberg, Robert A Montgomery, Nada Alachkar
Membranoproliferative Glomerulonephritis Recurrence After Kidney Transplantation: Using The New Classification., Sami Alasfar, Naima Carter-Monroe, Avi Z Rosenberg, Robert A Montgomery, Nada Alachkar
Pathology Faculty Publications
BACKGROUND: Membranoproliferative glomerulonephritis (MPGN) is an uncommon glomerular disorder that may lead to end stage renal disease (ESRD). With new understanding of the disease pathogenesis, the classical classification as MPGN types I, II, III has changed. Data on post-transplant MPGN, in particular with the newly refined classification, is limited. We present our center's experience of MPGN after kidney transplantation using the new classification.
METHODS: This is a retrospective study of 34 patients with ESRD due to MPGN who received 40 kidney transplants between 1994 and 2014. We reviewed the available biopsies' data using the new classification. We assessed post transplantation …
Contraceptive Provision To Adolescent Females Prescribed Teratogenic Medications., Stephani L. Stancil, Melissa K. Miller, Holley Briggs, Daryl Lynch, Kathy Goggin, Gregory Kearns
Contraceptive Provision To Adolescent Females Prescribed Teratogenic Medications., Stephani L. Stancil, Melissa K. Miller, Holley Briggs, Daryl Lynch, Kathy Goggin, Gregory Kearns
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND AND OBJECTIVES: Rates of adult women receiving contraceptive provision when simultaneously prescribed a known teratogen are alarmingly low. The prevalence of this behavior among pediatric providers and their adolescent patients is unknown. The objective of this study was to describe pediatric provider behaviors for prescribing teratogens concurrently with counseling, referral, and/or prescribing of contraception (collectively called contraceptive provision) in the adolescent population.
METHODS: A retrospective review was conducted examining visits in 2008-2012 by adolescents aged 14 to 25 years in which a known teratogen (US Food and Drug Administration pregnancy risk category D or X) was prescribed. The electronic …
Multivariate Criteria Most Accurately Distinguish Cardiac From Noncardiac Causes Of Dyspnea, Mirza Nubair Ahmad, Syed Hasan Yusuf, Rafath Ullah, Mirza Mujadil Ahmad, Mary K Ellis, Haroon Yousaf, Timothy E Paterick, Khawaja Afzal Ammar
Multivariate Criteria Most Accurately Distinguish Cardiac From Noncardiac Causes Of Dyspnea, Mirza Nubair Ahmad, Syed Hasan Yusuf, Rafath Ullah, Mirza Mujadil Ahmad, Mary K Ellis, Haroon Yousaf, Timothy E Paterick, Khawaja Afzal Ammar
The Texas Heart Institute Journal
Cardiopulmonary exercise testing provides oxygen pulse as a continuous measure of stroke volume, which is superior to other stress-testing methods in which systolic function is measured at baseline and at peak stress. However, the optimal peak oxygen pulse criterion for distinguishing cardiac from noncardiac causes of exercise limitation is unknown.
In comparing several peak oxygen pulse criteria against the clinical standard of cardiopulmonary exercise testing, we retrospectively studied 54 consecutive patients referred for cardiopulmonary exercise testing. These exercise tests included measurement of oxygen consumption, carbon dioxide production, breathing reserve, arterial blood gases at baseline and at peak stress, exercise electrocardiogram, …
Right Ventricular Dysfunction After Resuscitation Predicts Poor Outcomes In Cardiac Arrest Patients Independent Of Left Ventricular Function., Vimal Ramjee, Anne V. Grossestreuer, Yuan Yao, Sarah M. Perman, Marion Leary, James N. Kirkpatrick, Paul R. Forfia, Daniel M. Kolansky, Benjamin S. Abella, David F. Gaieski
Right Ventricular Dysfunction After Resuscitation Predicts Poor Outcomes In Cardiac Arrest Patients Independent Of Left Ventricular Function., Vimal Ramjee, Anne V. Grossestreuer, Yuan Yao, Sarah M. Perman, Marion Leary, James N. Kirkpatrick, Paul R. Forfia, Daniel M. Kolansky, Benjamin S. Abella, David F. Gaieski
Department of Emergency Medicine Faculty Papers
OBJECTIVE: Determination of clinical outcomes following resuscitation from cardiac arrest remains elusive in the immediate post-arrest period. Echocardiographic assessment shortly after resuscitation has largely focused on left ventricular (LV) function. We aimed to determine whether post-arrest right ventricular (RV) dysfunction predicts worse survival and poor neurologic outcome in cardiac arrest patients, independent of LV dysfunction.
METHODS: A single-center, retrospective cohort study at a tertiary care university hospital participating in the Penn Alliance for Therapeutic Hypothermia (PATH) Registry between 2000 and 2012.
PATIENTS: 291 in- and out-of-hospital adult cardiac arrest patients at the University of Pennsylvania who had return of spontaneous …
Saving Life And Brain With Extracorporeal Cardiopulmonary Resuscitation: A Single-Center Analysis Of In-Hospital Cardiac Arrests., Graham Peigh, Nicholas C. Cavarocchi, Hitoshi Hirose
Saving Life And Brain With Extracorporeal Cardiopulmonary Resuscitation: A Single-Center Analysis Of In-Hospital Cardiac Arrests., Graham Peigh, Nicholas C. Cavarocchi, Hitoshi Hirose
Department of Surgery Faculty Papers
OBJECTIVE: Despite advances in medical care, survival to discharge and full neurologic recovery after cardiac arrest remains less than 20% after cardiopulmonary resuscitation. An alternate approach to traditional cardiopulmonary resuscitation is extracorporeal cardiopulmonary resuscitation, which places patients on extracorporeal membrane oxygenation during cardiopulmonary resuscitation and provides immediate cardiopulmonary support when traditional resuscitation has been unsuccessful. We report the results from extracorporeal cardiopulmonary resuscitation at the Thomas Jefferson University.
METHODS: Between 2010 and June 2014, 107 adult extracorporeal membrane oxygenation procedures were performed at the Thomas Jefferson University. Patient demographics, survival to discharge, and neurologic recovery of patients who underwent extracorporeal …
Racial Disparities In Intravenous Recombinant Tissue Plasminogen Activator Use Persist At Primary Stroke Centers., Hugo J. Aparicio, Brendan G. Carr, Scott E. Kasner, Michael J. Kallan, Karen C. Albright, Dawn O. Kleindorfer, Michael T. Mullen
Racial Disparities In Intravenous Recombinant Tissue Plasminogen Activator Use Persist At Primary Stroke Centers., Hugo J. Aparicio, Brendan G. Carr, Scott E. Kasner, Michael J. Kallan, Karen C. Albright, Dawn O. Kleindorfer, Michael T. Mullen
Department of Emergency Medicine Faculty Papers
BACKGROUND: Primary stroke centers (PSCs) utilize more recombinant tissue plasminogen activator (rt-PA) than non-PSCs. The impact of PSCs on racial disparities in rt-PA use is unknown.
METHODS AND RESULTS: We used data from the Nationwide Inpatient Sample from 2004 to 2010, limited to states that publicly reported hospital identity and race. Hospitals certified as PSCs by The Joint Commission were identified. Adults with a diagnosis of ischemic stroke were analyzed. Rt-PA use was defined by the International Classification of Diseases, 9th Revision procedure code 99.10. Discharges (304 152 patients) from 26 states met eligibility criteria, and of these 71.5% were …
Simple New Risk Score Model For Adult Cardiac Extracorporeal Membrane Oxygenation: Simple Cardiac Ecmo Score., Graham Peigh, Nicholas Cavarocchi, Scott W. Keith, Hitoshi Hirose
Simple New Risk Score Model For Adult Cardiac Extracorporeal Membrane Oxygenation: Simple Cardiac Ecmo Score., Graham Peigh, Nicholas Cavarocchi, Scott W. Keith, Hitoshi Hirose
Department of Surgery Faculty Papers
BACKGROUND: Although the use of cardiac extracorporeal membrane oxygenation (ECMO) is increasing in adult patients, the field lacks understanding of associated risk factors. While standard intensive care unit risk scores such as SAPS II (simplified acute physiology score II), SOFA (sequential organ failure assessment), and APACHE II (acute physiology and chronic health evaluation II), or disease-specific scores such as MELD (model for end-stage liver disease) and RIFLE (kidney risk, injury, failure, loss of function, ESRD) exist, they may not apply to adult cardiac ECMO patients as their risk factors differ from variables used in these scores.
METHODS: Between 2010 and …
The Evolution Of Epilepsy Surgery Between 1991 And 2011 In Nine Major Epilepsy Centers Across The United States, Germany, And Australia., Lara Jehi, Daniel Friedman, Chad Carlson, Gregory Cascino, Sandra Dewar, Christian Elger, Jerome Engel, Robert Knowlton, Ruben Kuzniecky, Anne Mcintosh, Terence J O'Brien, Dennis Spencer, Michael R. Sperling, Gregory Worrell, Bill Bingaman, Jorge Gonzalez-Martinez, Werner Doyle, Jacqueline French
The Evolution Of Epilepsy Surgery Between 1991 And 2011 In Nine Major Epilepsy Centers Across The United States, Germany, And Australia., Lara Jehi, Daniel Friedman, Chad Carlson, Gregory Cascino, Sandra Dewar, Christian Elger, Jerome Engel, Robert Knowlton, Ruben Kuzniecky, Anne Mcintosh, Terence J O'Brien, Dennis Spencer, Michael R. Sperling, Gregory Worrell, Bill Bingaman, Jorge Gonzalez-Martinez, Werner Doyle, Jacqueline French
Department of Neurology Faculty Papers
OBJECTIVE: Epilepsy surgery is the most effective treatment for select patients with drug-resistant epilepsy. In this article, we aim to provide an accurate understanding of the current epidemiologic characteristics of this intervention, as this knowledge is critical for guiding educational, academic, and resource priorities.
METHODS: We profile the practice of epilepsy surgery between 1991 and 2011 in nine major epilepsy surgery centers in the United States, Germany, and Australia. Clinical, imaging, surgical, and histopathologic data were derived from the surgical databases at various centers.
RESULTS: Although five of the centers performed their highest number of surgeries for mesial temporal sclerosis …
Thromboembolism After Intramedullary Nailing For Metastatic Bone Lesions., Brandon Shallop, Alexandria Starks, Simon Greenbaum, David S Geller, Alan Lee, John Ready, Geno J Merli, Mitchell Maltenfort, Phd, John A Abraham
Thromboembolism After Intramedullary Nailing For Metastatic Bone Lesions., Brandon Shallop, Alexandria Starks, Simon Greenbaum, David S Geller, Alan Lee, John Ready, Geno J Merli, Mitchell Maltenfort, Phd, John A Abraham
Rothman Institute Papers
BACKGROUND: The risk of venous thromboembolism (VTE) in patients undergoing intramedullary nailing for skeletal metastatic disease is currently undefined. The purpose of our study was to determine the risk of thromboembolic events, to define the risk factors for VTE, and to define the rate of wound complications in this population.
METHODS: A retrospective review of surgical databases at three National Cancer Institute (NCI)-designated cancer centers identified 287 patients with a total of 336 impending or pathologic long-bone fractures that were stabilized with intramedullary nailing between February 2001 and April 2013. Statistical analysis was performed utilizing multivariable logistic regression and Fisher …
The Fate Of Spacers In The Treatment Of Periprosthetic Joint Infection., Miguel M Gomez, Timothy L Tan, Jorge Manrique, Gregory K Deirmengian, Javad Parvizi Md
The Fate Of Spacers In The Treatment Of Periprosthetic Joint Infection., Miguel M Gomez, Timothy L Tan, Jorge Manrique, Gregory K Deirmengian, Javad Parvizi Md
Rothman Institute Papers
BACKGROUND: Two-stage exchange arthroplasty remains the preferred method to treat periprosthetic joint infection. The aim of this study was to investigate the clinical course of periprosthetic joint infection following resection arthroplasty and insertion of a spacer.
METHODS: Our institutional database was used to identify 504 cases of periprosthetic joint infection (326 knees and 178 hips) treated with resection arthroplasty and spacer insertion as part of a two-stage exchange arthroplasty. A review of the patient charts was performed to extract information relevant to the objectives of this study that included the details of the clinical course following resection arthroplasty.
RESULTS: The …
Type Of Preoperative Aura May Predict Postsurgical Outcome In Patients With Temporal Lobe Epilepsy And Mesial Temporal Sclerosis., Ali Akbar Asadi-Pooya, Maromi Nei, Ashwini Sharan, Michael R. Sperling
Type Of Preoperative Aura May Predict Postsurgical Outcome In Patients With Temporal Lobe Epilepsy And Mesial Temporal Sclerosis., Ali Akbar Asadi-Pooya, Maromi Nei, Ashwini Sharan, Michael R. Sperling
Department of Neurology Faculty Papers
PURPOSE: As the initial symptoms of epileptic seizures, many types of auras have significant localizing or lateralizing value. In this study, we hypothesized that the type of aura may predict postsurgical outcome in patients with medically refractory temporal lobe epilepsy (TLE) and mesial temporal sclerosis (MTS).
METHODS: In this retrospective study, all patients with a clinical diagnosis of medically refractory TLE due to unilateral mesial temporal sclerosis who underwent epilepsy surgery at the Jefferson Comprehensive Epilepsy Center were recruited. Patients were prospectively registered in a database from 1986 through 2014. Postsurgical outcome was classified into two groups: seizure freedom or …
Age At Onset In Patients With Medically Refractory Temporal Lobe Epilepsy And Mesial Temporal Sclerosis: Impact On Clinical Manifestations And Postsurgical Outcome., Ali Akbar Asadi-Pooya, Michael R. Sperling
Age At Onset In Patients With Medically Refractory Temporal Lobe Epilepsy And Mesial Temporal Sclerosis: Impact On Clinical Manifestations And Postsurgical Outcome., Ali Akbar Asadi-Pooya, Michael R. Sperling
Department of Neurology Faculty Papers
PURPOSE: To evaluate the demographic and clinical manifestations and postsurgical outcome of childhood-onset mesial temporal sclerosis and temporal lobe epilepsy (MTS-TLE) and establishing the potential differences as compared to the patients with adult-onset MTS-TLE.
METHOD: In this retrospective study all patients with a clinical diagnosis of medically refractory TLE due to mesial temporal sclerosis, who underwent epilepsy surgery at Jefferson comprehensive epilepsy center, were recruited. Patients were prospectively registered in a database from 1986 through 2014. Postsurgical outcome was classified into two groups; seizure-free or relapsed. Clinical manifestations and outcome were compared between patients with childhood-onset MTS-TLE (i.e., age at …
Modified Maze Procedure For Atrial Fibrillation As An Adjunct To Elective Cardiac Surgery: Predictors Of Mid-Term Recurrence And Echocardiographic Follow-Up, Claudia Loardi, Francesco Alamanni, Fabrizio Veglia, Claudia Galli, Alessandro Parolari, Marco Zanobini
Modified Maze Procedure For Atrial Fibrillation As An Adjunct To Elective Cardiac Surgery: Predictors Of Mid-Term Recurrence And Echocardiographic Follow-Up, Claudia Loardi, Francesco Alamanni, Fabrizio Veglia, Claudia Galli, Alessandro Parolari, Marco Zanobini
The Texas Heart Institute Journal
The radiofrequency maze procedure achieves sinus rhythm in 45%–95% of patients treated for atrial fibrillation. This retrospective study evaluates mid-term results of the radiofrequency maze—performed concomitant to elective cardiac surgery—to determine sinus-rhythm predictive factors, and describes the evolution of patients' echocardiographic variables.
From 2003 through 2011, 247 patients (mean age, 64 ± 9.5 yr) with structural heart disease (79.3% mitral disease) and atrial fibrillation underwent a concomitant radiofrequency modified maze procedure. Patients were monitored by 24-hour Holter at 3, 6, 12, and 24 months, then annually. Eighty-four mitral-valve patients underwent regular echocardiographic follow-up. Univariate and multivariate analysis for risk factors …
Altered Lysosomal Proteins In Neural-Derived Plasma Exosomes In Preclinical Alzheimer Disease, Edward J. Goetzl, Adam Boxer, Janice B. Schwartz, Erin L. Abner, Ronald C. Petersen, Bruce L. Miller, Dimitrios Kapogiannis
Altered Lysosomal Proteins In Neural-Derived Plasma Exosomes In Preclinical Alzheimer Disease, Edward J. Goetzl, Adam Boxer, Janice B. Schwartz, Erin L. Abner, Ronald C. Petersen, Bruce L. Miller, Dimitrios Kapogiannis
Sanders-Brown Center on Aging Faculty Publications
OBJECTIVE: Diverse autolysosomal proteins were quantified in neurally derived blood exosomes from patients with Alzheimer disease (AD) and controls to investigate disordered neuronal autophagy.
METHODS: Blood exosomes obtained once from patients with AD (n = 26) or frontotemporal dementia (n = 16), other patients with AD (n = 20) both when cognitively normal and 1 to 10 years later when diagnosed, and case controls were enriched for neural sources by anti-human L1CAM antibody immunoabsorption. Extracted exosomal proteins were quantified by ELISAs and normalized with the CD81 exosomal marker.
RESULTS: Mean exosomal levels of cathepsin D, lysosome-associated membrane …
Magnetic Resonance Imaging In Pediatric Pulmonary Hypertension, Ayhan Pektas, Rana Olgunturk, Ayhan Cevik, Semiha Terlemez, Emre Kacar, Yusuf Ali Oner
Magnetic Resonance Imaging In Pediatric Pulmonary Hypertension, Ayhan Pektas, Rana Olgunturk, Ayhan Cevik, Semiha Terlemez, Emre Kacar, Yusuf Ali Oner
The Texas Heart Institute Journal
The present study aims to determine the efficacy and reliability of cardiovascular magnetic resonance imaging in establishing the diagnosis and prognosis of pulmonary hypertension in children.
This is a retrospective comparison of 25 children with pulmonary hypertension and a control group comprising 19 healthy children. The diagnosis of pulmonary hypertension was made when the mean pulmonary artery pressure was ≥25 mmHg by catheter angiography.
The children with pulmonary hypertension had significantly lower body mass indices than did the healthy children (P=0.048). In addition, the children with pulmonary hypertension had significantly larger main pulmonary artery diameters and ascending aortic diameters (both …
Evaluation Of A Pharmacist-Led Medication Assessment Used To Identify Prevalence Of And Associations With Polypharmacy And Potentially Inappropriate Medication Use Among Ambulatory Senior Adults With Cancer., Ginah Nightingale, Emily Hajjar, Kristine Swartz, Jocelyn Andrel-Sendecki, Andrew Chapman
Evaluation Of A Pharmacist-Led Medication Assessment Used To Identify Prevalence Of And Associations With Polypharmacy And Potentially Inappropriate Medication Use Among Ambulatory Senior Adults With Cancer., Ginah Nightingale, Emily Hajjar, Kristine Swartz, Jocelyn Andrel-Sendecki, Andrew Chapman
College of Pharmacy Faculty Papers
PURPOSE: The use of multiple and/or inappropriate medications in seniors is a significant public health problem, and cancer treatment escalates its prevalence and complexity. Existing studies are limited by patient self-report and medical record extraction compared with a pharmacist-led comprehensive medication assessment.
PATIENTS AND METHODS: We retrospectively examined medication use in ambulatory senior adults with cancer to determine the prevalence of polypharmacy (PP) and potentially inappropriate medication (PIM) use and associated factors. PP was defined as concurrent use of five or more and less than 10 medications, and excessive polypharmacy (EPP) was defined as 10 or more medications. PIMs were …
Comparison Of Survival In Patients With T Cell Lymphoma After Autologous And Allogeneic Stem Cell Transplantation As A Frontline Strategy Or In Relapsed Disease., Amer Beitinjaneh, Rima M. Saliba, L. Jeffrey Medeiros, Francesco Turturro, Gabriela Rondon, Martin Korbling, Luis Fayad, Michelle A. Fanale, Amin M. Alousi, Paolo Anderlini, Oran Betul, Uday R. Popat, Barbara Pro, Issa F. Khouri
Comparison Of Survival In Patients With T Cell Lymphoma After Autologous And Allogeneic Stem Cell Transplantation As A Frontline Strategy Or In Relapsed Disease., Amer Beitinjaneh, Rima M. Saliba, L. Jeffrey Medeiros, Francesco Turturro, Gabriela Rondon, Martin Korbling, Luis Fayad, Michelle A. Fanale, Amin M. Alousi, Paolo Anderlini, Oran Betul, Uday R. Popat, Barbara Pro, Issa F. Khouri
Kimmel Cancer Center Papers, Presentations, and Grand Rounds
We studied the roles of autologous (A) and allogeneic (allo) stem cell transplantation (SCT) in the treatment of 134 patients with T cell lymphoma (TCL) at our center. For frontline SCT, 58 patients were studied. The 4-year overall survival (OS) rates for ASCT (n = 47; median age, 49 years) and alloSCT (n = 11; median age, 55 years) groups were 76% and 54%, respectively (P > .05). The 4-year OS rates for first complete remission (CR1) patients were 84% and 83%, respectively. For SCT for relapsed disease, 76 patients were studied (41 with ASCT and 35 with alloSCT). The 4-year …
True Durability: Hiv Virologic Suppression In An Urban Clinic And Implications For Timing Of Intensive Adherence Efforts And Viral Load Monitoring., Debra A Benator, Angelo Elmi, Manuel D Rodriguez, Howard B Gale, Virginia L. Kan, Heather J. Hoffman, Susan Tramazzo, Karen Hall, Angela Mcknight, Leah Squires
True Durability: Hiv Virologic Suppression In An Urban Clinic And Implications For Timing Of Intensive Adherence Efforts And Viral Load Monitoring., Debra A Benator, Angelo Elmi, Manuel D Rodriguez, Howard B Gale, Virginia L. Kan, Heather J. Hoffman, Susan Tramazzo, Karen Hall, Angela Mcknight, Leah Squires
Medicine Faculty Publications
Although the majority of HIV-infected patients who begin potent antiretroviral therapy should expect long-term virologic suppression, the realities in practice are less certain. Durability of viral suppression was examined to define the best timing of targeted adherence strategies and intensive viral load monitoring in an urban clinic population with multiple challenges to ART adherence. We examined the risk of viral rebound for patients who achieved two consecutive viral loads lower than the lower limit of quantification (LLOQ) within 390 days. For 791 patients with two viral loads below the LLOQ, viral rebound >LLOQ from the first viral load was 36.9 …
Refractory Angiosarcoma Of The Breast With Vegfr2 Upregulation Successfully Treated With Sunitinib., Edibaldo Silva, Zoran Gatalica, Semir Vranic, Gargi Basu, Sandeep K. Reddy, Andreas Voss
Refractory Angiosarcoma Of The Breast With Vegfr2 Upregulation Successfully Treated With Sunitinib., Edibaldo Silva, Zoran Gatalica, Semir Vranic, Gargi Basu, Sandeep K. Reddy, Andreas Voss
Journal Articles: Surgery
No abstract provided.
African American Men With Low-Grade Prostate Cancer Have Increased Disease Recurrence After Prostatectomy Compared With Caucasian Men., Kosj Yamoah, Curtiland Deville, Neha Vapiwala, Elaine Spangler, Charnita M. Zeigler-Johnson, Bruce Malkowicz, David I Lee, Michael Kattan, Adam P. Dicker, Timothy R. Rebbeck
African American Men With Low-Grade Prostate Cancer Have Increased Disease Recurrence After Prostatectomy Compared With Caucasian Men., Kosj Yamoah, Curtiland Deville, Neha Vapiwala, Elaine Spangler, Charnita M. Zeigler-Johnson, Bruce Malkowicz, David I Lee, Michael Kattan, Adam P. Dicker, Timothy R. Rebbeck
Department of Radiation Oncology Faculty Papers
PURPOSE: To explore whether disparities in outcomes exist between African American (AA) and Caucasian (CS) men with low-grade prostate cancer and similar cancer of the prostate risk assessment-postsurgery (CAPRA-S) features following prostatectomy (RP).
METHODS: The overall cohort consisted of 1,265 men (234 AA and 1,031 CS) who met the National comprehensive cancer network criteria for low- to intermediate-risk prostate cancer and underwent RP between 1990 and 2012. We first evaluated whether clinical factors were associated with adverse pathologic outcomes and freedom from biochemical failure (FFbF) using the entire cohort. Next, we studied a subset of 705 men (112 AA and …
Echocardiographic Versus Histologic Findings In Marfan Syndrome, Xiaoyan Gu, Yihua He, Zhian Li, Jiancheng Han, Jian Chen, J V Ian Nixon
Echocardiographic Versus Histologic Findings In Marfan Syndrome, Xiaoyan Gu, Yihua He, Zhian Li, Jiancheng Han, Jian Chen, J V Ian Nixon
The Texas Heart Institute Journal
This retrospective study attempted to establish the prevalence of multiple-valve involvement in Marfan syndrome and to compare echocardiographic with histopathologic findings in Marfan patients undergoing valvular or aortic surgery.
We reviewed echocardiograms of 73 Marfan patients who underwent cardiovascular surgery from January 2004 through October 2009. Tissue histology was available for comparison in 29 patients.
Among the 73 patients, 66 underwent aortic valve replacement or the Bentall procedure. Histologic findings were available in 29 patients, all of whom had myxomatous degeneration. Of 63 patients with moderate or severe aortic regurgitation as determined by echocardiography, 4 had thickened aortic valves. The …
Stratification Of The Impact Of Inappropriate Empirical Antimicrobial Therapy For Gram-Negative Bloodstream Infections By Predicted Prognosis, Sarah E. Cain, Joseph Kohn, P. Brandon Bookstaver, Helmut Albrecht, Majdi N. Al-Hasan
Stratification Of The Impact Of Inappropriate Empirical Antimicrobial Therapy For Gram-Negative Bloodstream Infections By Predicted Prognosis, Sarah E. Cain, Joseph Kohn, P. Brandon Bookstaver, Helmut Albrecht, Majdi N. Al-Hasan
Faculty Publications
The bloodstream infection mortality risk score (BSIMRS) predicts the outcome of patients with Gram-negative bloodstream infections (BSI) with high discrimination. This retrospective cohort study examined the impact of inappropriate antimicrobial therapy on mortality in adult patients with Gram-negative BSI admitted to Palmetto Health Hospitals in Columbia, SC, USA, from 1 January 2011 to 31 December 2012 after stratification by predicted prognosis at initial presentation using BSIMRS. A multivariate Cox regression model was used to identify independent risk factors for 28-day mortality overall and within each predefined BSIMRS category (<5, 5 to 9, and ≥10). Relative risk reduction (RRR), absolute risk reduction (ARR), and number needed to treat (NNT) were calculated from a predictive logistic regression model of mortality. Overall, 390 unique patients with first episodes of Gram-negative BSI were identified. The median age was 66 years, and 229 (59%) were women. There was significant association between inappropriate antimicrobial therapy and mortality in patients with BSIMRS of 5 to 9 (adjusted hazard ratio [aHR], 3.55; 95% confidence intervals [CI], 1.22 to 8.31; P = 0.02) and BSIMRS of ≥10 (aHR, 4.99; 95% CI, 1.09 to 22.87; P = 0.04) but not in those with BSIMRS of <5 (aHR, 3.34; 95% CI, 0.17 to 22.77; P = 0.34). RRR, ARR, and NNT were 0.25, 0.02, and 63 for BSIMRS of <5; 0.56, 0.32, and 3 for BSIMRS of 5 to 9; and 0.39, 0.39, and 3 for BSIMRS of ≥10, respectively. There is a significant benefit from appropriate antimicrobial therapy in patients with Gram-negative BSI with guarded (BSIMRS of 5 to 9) and poor (BSIMRS of ≥10) predicted prognosis. Survival difference remains unclear among those with good predicted prognosis (BSIMRS of <5) at initial presentation.
Aortic Valve Reconstruction With Use Of Pericardial Leaflets In Adults With Bicuspid Aortic Valve Disease: Early And Midterm Outcomes, Meong Gun Song, Hyun Suk Yang, Jong Bum Choi, Je Kyoun Shin, Hyun Keun Chee, Jun Seok Kim
Aortic Valve Reconstruction With Use Of Pericardial Leaflets In Adults With Bicuspid Aortic Valve Disease: Early And Midterm Outcomes, Meong Gun Song, Hyun Suk Yang, Jong Bum Choi, Je Kyoun Shin, Hyun Keun Chee, Jun Seok Kim
The Texas Heart Institute Journal
In this study, we retrospectively analyzed the outcomes of adults with bicuspid aortic valve (BAV) disease who underwent aortic valve reconstructive surgery (AVRS), consisting of replacement of the diseased BAV with 2 or 3 pericardial leaflets plus fixation of the sinotubular junction for accurate and constant leaflet coaptation. From December 2007 through April 2013, 135 consecutive patients (mean age, 49.2 ± 13.1 yr; 73.3% men) with symptomatic BAV disease underwent AVRS. Raphe was observed in 84 patients (62.2%), and the remaining 51 patients had pure BAV without raphe. A total of 122 patients (90.4%) underwent 3-leaflet reconstruction, and 13 (9.6%) …
Brachiocephalic Artery Cannulation In Proximal Aortic Surgery That Requires Circulatory Arrest, Mehmet Unal, Oguz Yilmaz, Ilker Akar, Ilker Ince, Cemal Aslan, Fatih Koc, Haluk Kafali
Brachiocephalic Artery Cannulation In Proximal Aortic Surgery That Requires Circulatory Arrest, Mehmet Unal, Oguz Yilmaz, Ilker Akar, Ilker Ince, Cemal Aslan, Fatih Koc, Haluk Kafali
The Texas Heart Institute Journal
The brachiocephalic artery is an alternative cannulation site in the repair of ascending aortic lesions that require circulatory arrest. We evaluate the effectiveness and safety of this technique.
Proximal aortic surgery was performed in 32 patients from 2006 through 2012 via brachiocephalic artery cannulation and circulatory arrest. Twenty-four (75%) of the patients were men. The mean age was 48.69 ± 9.43 years (range, 30–68 yr). Twelve had type I dissection, 2 had type II dissection, and 18 had true aneurysms of the ascending aorta. All operations were performed through a median sternotomy. The arterial cannula was inserted through an 8-mm …
Simplified Post Processing Of Cine Dense Cardiovascular Magnetic Resonance For Quantification Of Cardiac Mechanics, Jonathan D. Suever, Gregory J. Wehner, Christopher M. Haggerty, Linyuan Jing, Sean M. Hamlet, Cassi M. Binkley, Sage P. Kramer, Andrea C. Mattingly, David K. Powell, Kenneth C. Bilchick, Frederick H. Epstein, Brandon K. Fornwalt
Simplified Post Processing Of Cine Dense Cardiovascular Magnetic Resonance For Quantification Of Cardiac Mechanics, Jonathan D. Suever, Gregory J. Wehner, Christopher M. Haggerty, Linyuan Jing, Sean M. Hamlet, Cassi M. Binkley, Sage P. Kramer, Andrea C. Mattingly, David K. Powell, Kenneth C. Bilchick, Frederick H. Epstein, Brandon K. Fornwalt
Saha Cardiovascular Research Center Faculty Publications
BACKGROUND: Cardiovascular magnetic resonance using displacement encoding with stimulated echoes (DENSE) is capable of assessing advanced measures of cardiac mechanics such as strain and torsion. A potential hurdle to widespread clinical adoption of DENSE is the time required to manually segment the myocardium during post-processing of the images. To overcome this hurdle, we proposed a radical approach in which only three contours per image slice are required for post-processing (instead of the typical 30-40 contours per image slice). We hypothesized that peak left ventricular circumferential, longitudinal and radial strains and torsion could be accurately quantified using this simplified analysis.
METHODS …
Subspecialty Surveillance Of Long-Term Course Of Small And Moderate Muscular Ventricular Septal Defect: Heterogenous Practices, Low Yield., Erik L. Frandsen, Aswathy V. House, Yunbin Xiao, David A. Danford, Shelby Kutty
Subspecialty Surveillance Of Long-Term Course Of Small And Moderate Muscular Ventricular Septal Defect: Heterogenous Practices, Low Yield., Erik L. Frandsen, Aswathy V. House, Yunbin Xiao, David A. Danford, Shelby Kutty
Journal Articles: Pediatrics
BACKGROUND: No expert consensus guides practice for intensity of ongoing pediatric cardiology surveillance of hemodynamically insignificant small and moderate muscular ventricular septal defect (mVSD). Therefore, despite the well-established benign natural history of mVSD, there is potential for widely divergent follow up practices. The purpose of this investigation was to evaluate (1) variations in follow up of mVSD within an academic children's hospital based pediatric cardiology practice, and (2) the frequency of active medical or surgical management resulting from follow up of mVSD.
METHODS: We retrospectively reviewed records of 600 patients with isolated mVSD echocardiographically diagnosed between 2006 and 2012. Large …
The Significance Of Functional Renal Obstruction In Predicting Pathologic Stage Of Upper Tract Urothelial Carcinoma., Michael J. Amirian, Kushan Radadia, Hadley Narins, Kelly A. Healy, Scott G. Hubosky, Demetrius H. Bagley, Edouard J. Trabulsi, Costas D. Lallas
The Significance Of Functional Renal Obstruction In Predicting Pathologic Stage Of Upper Tract Urothelial Carcinoma., Michael J. Amirian, Kushan Radadia, Hadley Narins, Kelly A. Healy, Scott G. Hubosky, Demetrius H. Bagley, Edouard J. Trabulsi, Costas D. Lallas
Department of Urology Faculty Papers
BACKGROUND AND PURPOSE: Assessing the severity of upper tract urothelial carcinoma (UTUC) has been difficult because of inadequate biopsy specimens. Additional predictive parameters of disease stage would be useful when deciding a treatment plan; it has been suggested that preoperative hydronephrosis can be a surrogate. We examined the relationship between preoperative ipsilateral renal obstruction identified by imaging with final pathologic stage after nephroureterectomy (NU) for UTUC. We then analyzed those patients with ipsilateral renal obstruction and examined if tumor location is associated with an advanced pathologic stage.
METHODS: Patients who underwent NU for UTUC between the years 2001 to 2013 …
Musculoskeletal Safety Outcomes Of Patients Receiving Daptomycin With Hmg-Coa Reductase Inhibitors, Christopher M. Bland, P Brandon Bookstaver, Z Kevin Lu, Brianne L. Dunn, Kathey Fulton Rumley
Musculoskeletal Safety Outcomes Of Patients Receiving Daptomycin With Hmg-Coa Reductase Inhibitors, Christopher M. Bland, P Brandon Bookstaver, Z Kevin Lu, Brianne L. Dunn, Kathey Fulton Rumley
Faculty Publications
Daptomycin, a cyclic lipopeptide antibiotic, and 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors (statins) are commonly administered in the inpatient setting and are associated with creatine phosphokinase (CPK) elevations, myalgias, and muscle weakness. Safety data for coadministration of daptomycin with statins are limited. To determine the safety of coadministration of daptomycin with statin therapy, a multicenter, retrospective, observational study was performed at 13 institutions in the Southeastern United States. Forty-nine adult patients receiving statins concurrently with daptomycin were compared with 171 patients receiving daptomycin without statin therapy. Detailed information, including treatment indication and duration, infecting pathogen, baseline and subsequent CPK levels, and …
Contemporary Use Of Balloon Aortic Valvuloplasty In The Era Of Transcatheter Aortic Valve Implantation, Dawn S Hui, David M Shavelle, Mark J Cunningham, Ray V Matthews, Vaughn A Starnes
Contemporary Use Of Balloon Aortic Valvuloplasty In The Era Of Transcatheter Aortic Valve Implantation, Dawn S Hui, David M Shavelle, Mark J Cunningham, Ray V Matthews, Vaughn A Starnes
The Texas Heart Institute Journal
The development of transcatheter aortic valve implantation (TAVI) has increased the use of balloon aortic valvuloplasty (BAV) in treating aortic stenosis. We evaluated our use of BAV in an academic tertiary referral center with a developing TAVI program.
We reviewed 69 consecutive stand-alone BAV procedures that were performed in 62 patients (mean age, 77 ± 10 yr; 62% men; baseline mean New York Heart Association functional class, 3 ± 1) from January 2009 through December 2012. Enrollment for the CoreValve® clinical trial began in January 2011. We divided the study cohort into 2 distinct periods, defined as pre-TAVI (2009–2010) and …
Intravitreal Triamcinolone Acetonide Injection For Macular Edema Due To Central Retinal Vein Occlusion Persisting Despite Multiple Intravitreal Bevacizumab Injections., Rayan A Alshareef, Sunir Garg, Jason Hsu, James Vander, Carl Park, Marc J Spirn
Intravitreal Triamcinolone Acetonide Injection For Macular Edema Due To Central Retinal Vein Occlusion Persisting Despite Multiple Intravitreal Bevacizumab Injections., Rayan A Alshareef, Sunir Garg, Jason Hsu, James Vander, Carl Park, Marc J Spirn
Wills Eye Hospital Papers
PURPOSE: To evaluate the response to intravitreal triamcinolone acetonide for macular edema persisting or recurring despite multiple intravitreal bevacizumab (IVB) treatments for central retinal vein occlusion (CRVO).
METHODS: Retrospective interventional case series of 21 eyes with CRVO from 21 patients who were diagnosed with persistent or recurrent macular edema secondary to CRVO and treated with 0.1mL (4mg) intravitreal triamcinolone acetonide (IVTA) after initial treatment with 3 or more IVB injections. Anatomic and visual responses were the study primary outcomes.
RESULTS: Mean logarithm of the minimum angle of resolution visual acuity was 1.19 (20/316) immediately before IVTA injection, and improved to …