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Articles 1 - 30 of 1670
Full-Text Articles in Medicine and Health Sciences
Cocaine Enhances Hiv-1 Infectivity In Monocyte Derived Dendritic Cells By Suppressing Microrna-155, Jessica Napuri, Sudheesh Pilakka-Kanthikeel, Andrea Raymond, Marisela Agudelo, Adriana Yndart-Arias, Madhavan Nair, Shailendra K. Saxena
Cocaine Enhances Hiv-1 Infectivity In Monocyte Derived Dendritic Cells By Suppressing Microrna-155, Jessica Napuri, Sudheesh Pilakka-Kanthikeel, Andrea Raymond, Marisela Agudelo, Adriana Yndart-Arias, Madhavan Nair, Shailendra K. Saxena
HWCOM Faculty Publications
Cocaine and other drugs of abuse increase HIV-induced immunopathogenesis; and neurobiological mechanisms of cocaine addiction implicate a key role for microRNAs (miRNAs), single-stranded non-coding RNAs that regulate gene expression and defend against viruses. In fact, HIV defends against miRNAs by actively suppressing the expression of polycistronic miRNA cluster miRNA-17/92, which encodes miRNAs including miR-20a. IFN-g production by natural killer cells is regulated by miR-155 and this miRNA is also critical to dendritic cell (DC) maturation. However, the impact of cocaine on miR-155 expression and subsequent HIV replication is unknown. We examined the impact of cocaine on two miRNAs, miR-20a and …
Obesity Reduces Left Ventricular Strains, Torsion, And Synchrony In Mouse Models: A Cine Displacement Encoding With Stimulated Echoes (Dense) Cardiovascular Magnetic Resonance Study, Sage P. Kramer, David K. Powell, Christopher M. Haggerty, Cassi M. Binkley, Andrea C. Mattingly, Lisa A. Cassis, Frederick H. Epstein, Brandon K. Fornwalt
Obesity Reduces Left Ventricular Strains, Torsion, And Synchrony In Mouse Models: A Cine Displacement Encoding With Stimulated Echoes (Dense) Cardiovascular Magnetic Resonance Study, Sage P. Kramer, David K. Powell, Christopher M. Haggerty, Cassi M. Binkley, Andrea C. Mattingly, Lisa A. Cassis, Frederick H. Epstein, Brandon K. Fornwalt
Pediatrics Faculty Publications
BACKGROUND: Obesity affects a third of adults in the US and results in an increased risk of cardiovascular mortality. While the mechanisms underlying this increased risk are not well understood, animal models of obesity have shown direct effects on the heart such as steatosis and fibrosis, which may affect cardiac function. However, the effect of obesity on cardiac function in animal models is not well-defined. We hypothesized that diet-induced obesity in mice reduces strain, torsion, and synchrony in the left ventricle (LV).
METHODS: Ten 12-week-old C57BL/6 J mice were randomized to a high-fat or low-fat diet. After 5 months on …
Loss Of Atrx Does Not Confer Susceptibility To Osteoarthritis, Lauren A. Solomon, Bailey A. Russell, David Makar, Nathalie G. Bérubé, Frank Beier
Loss Of Atrx Does Not Confer Susceptibility To Osteoarthritis, Lauren A. Solomon, Bailey A. Russell, David Makar, Nathalie G. Bérubé, Frank Beier
Paediatrics Publications
The chromatin remodelling protein ATRX is associated with the rare genetic disorder ATR-X syndrome. This syndrome includes developmental delay, cognitive impairment, and a variety of skeletal deformities. ATRX plays a role in several basic chromatin-mediated cellular events including DNA replication, telomere stability, gene transcription, and chromosome congression and cohesion during cell division. We have used a loss-of-function approach to directly investigate the role of Atrx in the adult skeleton in three different models of selective Atrx loss. We specifically targeted deletion of Atrx to the forelimb mesenchyme, to cartilage and to bone-forming osteoblasts. We previously demonstrated that loss of ATRX …
Sphingosine-1-Phosphate-Mediated Mobilization Of Hematopoietic Stem/Progenitor Cells During Intravascular Hemolysis Requires Attenuation Of Sdf-1-Cxcr4 Retention Signaling In Bone Marrow, Kasia Mierzejewska, Yuri M. Klyachkin, Janina Ratajczak, Ahmed Abdel-Latif, Magda Kucia, Mariusz Z. Ratajczak
Sphingosine-1-Phosphate-Mediated Mobilization Of Hematopoietic Stem/Progenitor Cells During Intravascular Hemolysis Requires Attenuation Of Sdf-1-Cxcr4 Retention Signaling In Bone Marrow, Kasia Mierzejewska, Yuri M. Klyachkin, Janina Ratajczak, Ahmed Abdel-Latif, Magda Kucia, Mariusz Z. Ratajczak
Saha Cardiovascular Research Center Faculty Publications
Sphingosine-1-phosphate (S1P) is a crucial chemotactic factor in peripheral blood (PB) involved in the mobilization process and egress of hematopoietic stem/progenitor cells (HSPCs) from bone marrow (BM). Since S1P is present at high levels in erythrocytes, one might assume that, by increasing the plasma S1P level, the hemolysis of red blood cells would induce mobilization of HSPCs. To test this assumption, we induced hemolysis in mice by employing phenylhydrazine (PHZ). We observed that doubling the S1P level in PB from damaged erythrocytes induced only a marginally increased level of mobilization. However, if mice were exposed to PHZ together with the …
Inflammatory Cytokine Gene Expression In Mesenteric Adipose Tissue During Acute Experimental Colitis, William Conan Mustain, Marlene E. Starr, Joseph Daniel Valentino, Donald A. Cohen, Daiki Okamura, Chi Wang, B. Mark Evers, Hiroshi Saito
Inflammatory Cytokine Gene Expression In Mesenteric Adipose Tissue During Acute Experimental Colitis, William Conan Mustain, Marlene E. Starr, Joseph Daniel Valentino, Donald A. Cohen, Daiki Okamura, Chi Wang, B. Mark Evers, Hiroshi Saito
Markey Cancer Center Faculty Publications
BACKGROUND: Production of inflammatory cytokines by mesenteric adipose tissue (MAT) has been implicated in the pathogenesis of inflammatory bowel disease (IBD). Animal models of colitis have demonstrated inflammatory changes within MAT, but it is unclear if these changes occur in isolation or as part of a systemic adipose tissue response. It is also unknown what cell types are responsible for cytokine production within MAT. The present study was designed to determine whether cytokine production by MAT during experimental colitis is depot-specific, and also to identify the source of cytokine production within MAT.
METHODS: Experimental colitis was induced in 6-month-old C57BL/6 …
The Effects Of Acute Post Exercise Consumption Of Two Cocoa-Based Beverages With Varying Flavanol Content On Indices Of Muscle Recovery Following Downhill Treadmill Running, Katelyn Peschek, Robert Pritchett, Ethan Bergman, Kelly Pritchett
The Effects Of Acute Post Exercise Consumption Of Two Cocoa-Based Beverages With Varying Flavanol Content On Indices Of Muscle Recovery Following Downhill Treadmill Running, Katelyn Peschek, Robert Pritchett, Ethan Bergman, Kelly Pritchett
All Faculty Scholarship for the College of the Sciences
Dietary flavanols have been associated with reduced oxidative stress, however their efficacy in promoting recovery after exercise induced muscle damage is unclear. This study examined the effectiveness of acute consumption of cocoa-flavanols on indices of muscle recovery including: subsequent exercise performance, creatine kinase, muscle tenderness, force, and self-perceived muscle soreness. Eight endurance-trained athletes (VO2max 64.4 ± 7.6 mL/kg/min) completed a downhill running protocol to induce muscle soreness, and 48-h later completed a 5-K (kilometer) time trial. Muscle recovery measurements were taken at PRE, 24 h-POST, 48 h-POST, and POST-5K. Participants consumed 1.0 g of carbohydrate per kilogram of body weight …
Transvaginal Ultrasonography In Ovarian Cancer Screening: Current Perspectives, John R. Van Nagell Jr., John T. Hoff
Transvaginal Ultrasonography In Ovarian Cancer Screening: Current Perspectives, John R. Van Nagell Jr., John T. Hoff
Obstetrics and Gynecology Faculty Publications
Transvaginal ultrasonography (TVS) is an integral part of all major ovarian cancer screening trials. TVS is accurate in detecting abnormalities in ovarian volume and morphology, but is less reliable in differentiating benign from malignant ovarian tumors. When used as the only screening test, TVS is sensitive, but has a low positive predictive value. Therefore, serum biomarkers and tumor morphology indexing are used together with TVS to identify ovarian tumors at high risk for malignancy. This allows preoperative triage of high-risk cases to major cancer centers for therapy while decreasing unnecessary surgery for benign disease. Ovarian cancer screening has been associated …
Using Expression Profiling To Understand The Effects Of Chronic Cadmium Exposure On Mcf-7 Breast Cancer Cells, Zelmina Lubovac-Pilav, Daniel M. Borras, Esmeralda Ponce, Maggie Louie
Using Expression Profiling To Understand The Effects Of Chronic Cadmium Exposure On Mcf-7 Breast Cancer Cells, Zelmina Lubovac-Pilav, Daniel M. Borras, Esmeralda Ponce, Maggie Louie
Collected Faculty and Staff Scholarship
Cadmium is a metalloestrogen known to activate the estrogen receptor and promote breast cancer cell growth. Previous studies have implicated cadmium in the development of more malignant tumors; however the molecular mechanisms behind this cadmium-induced malignancy remain elusive. Using clonal cell lines derived from exposing breast cancer cells to cadmium for over 6 months (MCF-7-Cd4, -Cd6, -Cd7, -Cd8 and -Cd12), this study aims to identify gene expression signatures associated with chronic cadmium exposure. Our results demonstrate that prolonged cadmium exposure does not merely result in the deregulation of genes but actually leads to a distinctive expression profile. The genes deregulated …
Socioeconomic-Status And Mental Health In A Personality Disorder Sample: The Importance Of Neighborhood Factors, Zach Walsh, M. Tracie Shea, Shirley Yen, Emily B. Ansell, Carlos M. Grilo, Thomas H. Mcglashan, Robert L. Stout, Donna S. Bender, Andrew E. Skodol, Charles A. Sanislow, Leslie C. Morey, John G. Gunderson
Socioeconomic-Status And Mental Health In A Personality Disorder Sample: The Importance Of Neighborhood Factors, Zach Walsh, M. Tracie Shea, Shirley Yen, Emily B. Ansell, Carlos M. Grilo, Thomas H. Mcglashan, Robert L. Stout, Donna S. Bender, Andrew E. Skodol, Charles A. Sanislow, Leslie C. Morey, John G. Gunderson
Charles A. Sanislow, Ph.D.
This cross-sectional study examined the associations between neighborhood-level socioeconomic-status (NSES), and psychosocial functioning and personality pathology among 335 adults drawn from the Collaborative Longitudinal Personality Disorders Study. Participants belonged to four personality disorder (PD) diagnostic groups: Avoidant, Borderline, Schizotypal, and Obsessive Compulsive. Global functioning, social adjustment, and PD symptoms were assessed following a minimum two-year period of residential stability. Residence in higher-risk neighborhoods was associated with more PD symptoms and lower levels of functioning and social adjustment. These relationships were consistent after controlling for individual-level socioeconomic-status and ethnicity; however, the positive association between neighborhood-level socio-economic risk and PD symptoms was …
Surgery For Post-Vitrectomy Cataract, Diana V. Do, Stephen Gichuhi, Satyanarayana S. Vedula, Barbara S. Hawkins
Surgery For Post-Vitrectomy Cataract, Diana V. Do, Stephen Gichuhi, Satyanarayana S. Vedula, Barbara S. Hawkins
Journal Articles: Ophthalmology
BACKGROUND: Cataract formation or acceleration can occur after intraocular surgery, especially following vitrectomy, a surgical technique for removing the vitreous which is used in the treatment of disorders that affect the posterior segment of the eye. The underlying problem that led to vitrectomy may limit the benefit from cataract surgery.
OBJECTIVES: The objective of this review was to evaluate the effectiveness and safety of surgery for post-vitrectomy cataract with respect to visual acuity, quality of life, and other outcomes.
SEARCH METHODS: We searched CENTRAL (which contains the Cochrane Eyes and Vision Group Trials Register) (The Cochrane Library 2013, Issue 4), …
A Review Of “An Ethical Market In Human Organs,” By Charles A. Erin And John Harris, And A Proposed Solution To The Current Organ Shortage, Rachel Rattenni Fcrh '14
A Review Of “An Ethical Market In Human Organs,” By Charles A. Erin And John Harris, And A Proposed Solution To The Current Organ Shortage, Rachel Rattenni Fcrh '14
The Fordham Undergraduate Research Journal
In 2005, an Israeli man named Nick Rosen answered an ad in his local Tel Aviv newspaper searching for someone interested in selling a kidney. Through funding from the broker who placed the ad, Rosen was flown to New York and set up with a dialysis patient from Brooklyn. After Rosen and the dialysis patient passed a simple procedure for the screening of illegal organ sales by saying the two were old friends, the successful transplant surgery was performed at the esteemed Mount Sinai Medical Center in New York. The Brooklyn resident walked away never again needing to go on …
Divergent Antibody Subclass And Specificity Profiles But Not Protective Hla-B Alleles Are Associated With Variable Antibody Effector Function Among Hiv-1 Controllers, Jennifer I. Lai, Anna F. Licht, Anne-Sophie Dugast, Todd Suscovich, Ickwon Choi, Chris Bailey-Kellogg, Galit Alter, Margaret E. Ackerman
Divergent Antibody Subclass And Specificity Profiles But Not Protective Hla-B Alleles Are Associated With Variable Antibody Effector Function Among Hiv-1 Controllers, Jennifer I. Lai, Anna F. Licht, Anne-Sophie Dugast, Todd Suscovich, Ickwon Choi, Chris Bailey-Kellogg, Galit Alter, Margaret E. Ackerman
Dartmouth Scholarship
Understanding the coordination between humoral and cellular immune responses may be the key to developing protective vaccines, and because genetic studies of long-term HIV-1 nonprogressors have associated specific HLA-B alleles with spontaneous control of viral replication, this subject group presents an opportunity to investigate relationships between arms of the adaptive immune system. Given evidence suggesting that cellular immunity may play a role in viral suppression, we sought to determine whether and how the humoral immune response might vary among controllers. Significantly, Fc-mediated antibody effector functions have likewise been associated with durable viral control. In this study, we compared the effector …
Periprosthetic Joint Infection Increases The Risk Of One-Year Mortality., Benjamin Zmistowski, Joseph A. Karam, M.D., Joel B Durinka, David S Casper, Md, Javad Parvizi Md
Periprosthetic Joint Infection Increases The Risk Of One-Year Mortality., Benjamin Zmistowski, Joseph A. Karam, M.D., Joel B Durinka, David S Casper, Md, Javad Parvizi Md
Rothman Institute Faculty Papers
BACKGROUND: Periprosthetic joint infection continues to potentially complicate an otherwise successful joint replacement. The treatment of this infection often requires multiple surgical procedures associated with increased complications and morbidity. This study examined the relationship between periprosthetic joint infection and mortality and aimed to determine the effect of periprosthetic joint infection on mortality and any predictors of mortality in patients with periprosthetic joint infection.
METHODS: Four hundred and thirty-six patients with at least one surgical intervention secondary to confirmed periprosthetic joint infection were compared with 2342 patients undergoing revision arthroplasty for aseptic failure. The incidence of mortality at thirty days, ninety …
Adiponectin Inhibits Oxidative/Nitrative Stress During Myocardial Ischemia And Reperfusion Via Pka Signaling., Yanqing Zhang, Xiao-Liang Wang, Jianli Zhao, Ya-Jing Wang, Wayne Bond Lau, Yue-Xing Yuan, Er-He Gao, Walter J. Koch, Xin-Liang Ma
Adiponectin Inhibits Oxidative/Nitrative Stress During Myocardial Ischemia And Reperfusion Via Pka Signaling., Yanqing Zhang, Xiao-Liang Wang, Jianli Zhao, Ya-Jing Wang, Wayne Bond Lau, Yue-Xing Yuan, Er-He Gao, Walter J. Koch, Xin-Liang Ma
Department of Emergency Medicine Faculty Papers
The cardioprotective effects of adiponectin (APN) against myocardial ischemia/reperfusion (MI/R) injury are well known. However, comprehension of the mechanisms mediating intracellular APN signaling remains incomplete. We recently demonstrate the antioxidant/antinitrative effects of APN are not dependent on AMPK. Protein kinase A (PKA) has been previously shown to be activated by APN, with uncertain relevance to APN cardiac protection. The current study determined whether the antioxidative/antinitrative effect of APN is mediated by PKA. Administration of APN (2 μg/g) 10 min before reperfusion significantly enhanced cardiac PKA activity, reduced oxidative stress, and decreased infarct size. Knockdown of cardiac PKA expression (PKA-KD) by …
Ewing's Sarcoma Arising From The Adrenal Gland In A Young Male: A Case Report, Muhammad Nauman Zahir, Tayyaba Zehra Ansari, Tariq Moatter, Wasim Memon, Shahid Pervez
Ewing's Sarcoma Arising From The Adrenal Gland In A Young Male: A Case Report, Muhammad Nauman Zahir, Tayyaba Zehra Ansari, Tariq Moatter, Wasim Memon, Shahid Pervez
Section of Haematology/Oncology
Background: Ewing's sarcoma uncommonly arises from extraosseous soft tissue or parenchymal organs. Primary adrenal Ewing's Sarcoma, although very rare, is extremely aggressive and commonly fatal.
CASE PRESENTATION: A 17 year old Pakistani male was referred to the outpatient oncology clinic at our center with a three month history of concomitant pain, swelling and dragging sensation in the right hypochondrium. Abdominal examination revealed a large, firm mass in the right hypochondrium extending into the right lumbar region and epigastrium. His genital exam was unremarkable and there were no stigmata of hepatic or adrenal disease.Computed tomography scans revealed a large peripherally …
Sevoflurane Induces Cardioprotection Through Reactive Oxygen Species-Mediated Upregulation Of Autophagy In Isolated Guinea Pig Hearts., Mayumi Shiomi, Masami Miyamae, Genzou Takemura, Kazuhiro Kaneda, Yoshitaka Inamura, Anna Onishi, Shizuka Koshinuma, Yoshihiro Momota, Toshiaki Minami, Vincent M. Figueredo
Sevoflurane Induces Cardioprotection Through Reactive Oxygen Species-Mediated Upregulation Of Autophagy In Isolated Guinea Pig Hearts., Mayumi Shiomi, Masami Miyamae, Genzou Takemura, Kazuhiro Kaneda, Yoshitaka Inamura, Anna Onishi, Shizuka Koshinuma, Yoshihiro Momota, Toshiaki Minami, Vincent M. Figueredo
Division of Cardiology Faculty Papers
PURPOSE: Sevoflurane increases reactive oxygen species (ROS), which mediate cardioprotection against myocardial ischemia-reperfusion injury. Emerging evidence suggests that autophagy is involved in cardioprotection. We examined whether reactive oxygen species mediate sevoflurane preconditioning through autophagy.
METHODS: Isolated guinea pigs hearts were subjected to 30 min ischemia followed by 120 min reperfusion (control). Anesthetic preconditioning was elicited with 2 % sevoflurane for 10 min before ischemia (SEVO). The ROS-scavenger, N-(2-mercaptopropionyl) glycine (MPG, 1 mmol/l), was administered starting 30 min before ischemia to sevoflurane-treated (SEVO + MPG) or non-sevoflurane-treated (MPG) hearts. Infarct size was determined by triphenyltetrazolium chloride stain. Tissue samples were obtained …
Age-Related Modifications To The Magnitude And Periodicity Of Neuromuscular Noise, Niklas König Ignasiak
Age-Related Modifications To The Magnitude And Periodicity Of Neuromuscular Noise, Niklas König Ignasiak
Physical Therapy Faculty Articles and Research
Background: Evaluation of task related outcomes within geriatric and fall-prone populations is essential not only for identification of neuromuscular deficits, but also for effective implementation of fall prevention strategies. As most tasks and activities of daily living are performed at submaximal force levels, restoration of muscle strength often does not produce the expected benefit in functional capacity. However, it is known that muscular control plays a key role in the performance of functional tasks, but it remains unclear to what degree muscular control and the associated neuromuscular noise (NmN) is age-related, particularly in the lower-extremities.
Objectives: The aim of this …
The Ciliary Protein Cystin Forms A Regulatory Complex With Necdin To Modulate Myc Expression, Maoqing Wu, Chaozhe Yang, Binli Tao, Su Bu, Lisa Guay-Woodford
The Ciliary Protein Cystin Forms A Regulatory Complex With Necdin To Modulate Myc Expression, Maoqing Wu, Chaozhe Yang, Binli Tao, Su Bu, Lisa Guay-Woodford
Pediatrics Faculty Publications
Cystin is a novel cilia-associated protein that is disrupted in the cpk mouse, a well-characterized mouse model of autosomal recessive polycystic kidney disease (ARPKD). Interestingly, overexpression of the Myc gene is evident in animal models of ARPKD and is thought to contribute to the renal cystic phenotype. Using a yeast two-hybrid approach, the growth suppressor protein necdin, known to modulate Myc expression, was found as an interacting partner of cystin. Deletion mapping demonstrated that the C-terminus of cystin and both termini of necdin are required for their mutual interaction. Speculating that these two proteins may function to regulate gene expression, …
The Impact Of Worksite Weight-Related Social Norms On Associated Behaviors, Stephenie C. Lemon, Qin Liu, Robert P. Magner, Kristin L. Schneider, Lori Pbert
The Impact Of Worksite Weight-Related Social Norms On Associated Behaviors, Stephenie C. Lemon, Qin Liu, Robert P. Magner, Kristin L. Schneider, Lori Pbert
Qin Liu
Objective: To assess the association between descriptive social norms for weight and weight-related behaviors and associated behaviors at the worksite. Design and Sample: Baseline data from site-randomized trial of a worksite ecological intervention for weight control; 12 public high schools in central Massachusetts; Sample of 844 employees enrolled (~ 2/3 of all employees). Conclusions: Associations of weight loss and eating social norms with behavior; Unique from social support; No association of physical activity social norms with physical activity; May be little opportunity for and therefore little exposure to physical activity during the workday; Results support the development of weight loss …
Self-Reported Juvenile Firesetting: Results From Two National Survey Datasets, Carrie Howell Bowling, Joav Merrick, Hatim A. Omar
Self-Reported Juvenile Firesetting: Results From Two National Survey Datasets, Carrie Howell Bowling, Joav Merrick, Hatim A. Omar
Pediatrics Faculty Publications
The main purpose of this study was to address gaps in existing research by examining the relationship between academic performance and attention problems with juvenile firesetting. Two datasets from the Achenbach System for Empirically Based Assessment (ASEBA) were used. The Factor Analysis Dataset (N = 975) was utilized and results indicated that adolescents who report lower academic performance are more likely to set fires. Additionally, adolescents who report a poor attitude toward school are even more likely to set fires. Results also indicated that attention problems are predictive of self-reported firesetting. The National Survey Dataset (N = 1158) …
Can Experienced Observers Differentiate Between Lipoma And Well-Differentiated Liposarcoma Using Only Mri?, Patrick W. O'Donnell, Anthony M. Griffin, William C. Eward, Amir Sternheim, Lawrence M. White, Jay S. Wunder, Peter C. Ferguson
Can Experienced Observers Differentiate Between Lipoma And Well-Differentiated Liposarcoma Using Only Mri?, Patrick W. O'Donnell, Anthony M. Griffin, William C. Eward, Amir Sternheim, Lawrence M. White, Jay S. Wunder, Peter C. Ferguson
Markey Cancer Center Faculty Publications
Well-differentiated liposarcoma represents a radiographic diagnostic dilemma. To determine the accuracy, interrater reliability, and relationship of stranding, nodularity, and size in the MRI differentiation of lipoma and well-differentiated liposarcoma, MRI scans of 60 patients with large (>5 cm), deep, pathologically proven lipomas or well-differentiated liposarcomas were examined by 10 observers with subspecialty training blinded to diagnosis. Observers indicated whether the amount of stranding, nodularity, and size of each tumor suggested a benign or malignant diagnosis and rendered a diagnosis of lipoma or well-differentiated liposarcoma. The accuracy, reliability, and relationship of stranding, nodularity, and size to diagnosis were calculated for …
Grant Application: Randomized Comparison Of Two Internet-Supported Natural Family Planning Methods, Richard J. Fehring
Grant Application: Randomized Comparison Of Two Internet-Supported Natural Family Planning Methods, Richard J. Fehring
Randomized Comparison of Two Internet-Supported Methods of Natural Family Planning
No abstract provided.
Comparison Of Abstinence And Coital Frequency Between Two Natural Methods Of Family Planning, Richard J. Fehring, Thomas Bouchard, Mary Schneider
Comparison Of Abstinence And Coital Frequency Between Two Natural Methods Of Family Planning, Richard J. Fehring, Thomas Bouchard, Mary Schneider
Randomized Comparison of Two Internet-Supported Methods of Natural Family Planning
Problem Statement: The length of periodic abstinence, due to overestimation of the fertile phase of the menstrual cycle is often a reason for dissatisfaction, discontinuation, and user error with natural family planning (NFP) methods. The objective of this research was to compare the length of required abstinence (i.e., estimated fertility) and coital frequency between two NFP methods.
Study Design: Analysis of existing data from a 12 month prospective comparison study in which participants were randomized into either an electronic hormonal fertility monitor (EHFM) group or a cervical mucus monitoring (CMM) group, both of which included a fertility algorithm as …
Examining The Claim That 80-90% Of Suicide Cases Had Depression, Said Shahtahmasebi
Examining The Claim That 80-90% Of Suicide Cases Had Depression, Said Shahtahmasebi
Pediatrics Faculty Publications
No abstract provided.
The Impact Of A Large-Scale Power Outage On Hemodialysis Center Operations, Mahshid Abir, Sophia Jan, Lindsay Jubelt, Raina M. Merchant, Nicole Lurie
The Impact Of A Large-Scale Power Outage On Hemodialysis Center Operations, Mahshid Abir, Sophia Jan, Lindsay Jubelt, Raina M. Merchant, Nicole Lurie
Emergency Medicine Faculty Publications
INTRODUCTION:
On June 29, 2012, mid-Atlantic storms resulted in a large-scale power outage affecting up to three million people across multiple (US) states. Hemodialysis centers are dependent on electricity to provide dialysis care to end-stage renal disease patients. The objective of thisstudy was to determine how the power outage impacted operations in a sample of hemodialysis centers in the impacted regions.
METHODS:
The sample consisted of all hemodialysis centers located in the District of Columbia and a total of five counties with the largest power losses in West Virginia, Virginia, and Maryland. A semi-structured interview guide was developed, and …
Prenatal Programming Of Hepatic Glucose And Cholesterol Regulation In Male Rat Offspring By Chronic Intermittent Hypoxia, Waseem Iqbal
Prenatal Programming Of Hepatic Glucose And Cholesterol Regulation In Male Rat Offspring By Chronic Intermittent Hypoxia, Waseem Iqbal
Electronic Thesis and Dissertation Repository
Obstructive sleep apnea (OSA) is a chronic disorder involving repetitive interruptions in breathing during sleep. Sufferers of OSA are exposed to chronic intermittent hypoxia (CIH), characterized by cyclical reductions in oxygen availability. A number of studies have established a link between OSA and various cardiovascular and metabolic comorbidities in adulthood, including hypertension, obesity, and type II diabetes. While the consequences of OSA in adults have been well described, the cross-generational impact of this condition and potential effects on fetal development are not known. Epidemiological and animal studies have demonstrated that physiological insults during pregnancy lead to diminished growth of offspring …
Clinically Relevant Intronic Splicing Enhancer Mutation In Myelin Proteolipid Protein Leads To Progressive Microglia And Astrocyte Activation In White And Gray Matter Regions Of The Brain, Adam D. Bachstetter, Scott J. Webster, Linda J. Van Eldik, Franca Cambi
Clinically Relevant Intronic Splicing Enhancer Mutation In Myelin Proteolipid Protein Leads To Progressive Microglia And Astrocyte Activation In White And Gray Matter Regions Of The Brain, Adam D. Bachstetter, Scott J. Webster, Linda J. Van Eldik, Franca Cambi
Sanders-Brown Center on Aging Faculty Publications
INTRODUCTION: Mutations in proteolipid protein (PLP), the most abundant myelin protein in the CNS, cause the X-linked dysmyelinating leukodystrophies, Pelizaeus-Merzbacher disease (PMD) and spastic paraplegia type 2 (SPG2). Point mutations, deletion, and duplication of the PLP1 gene cause PMD/SPG2 with varying clinical presentation. Deletion of an intronic splicing enhancer (ISEdel) within intron 3 of the PLP1 gene is associated with a mild form of PMD. Clinical and preclinical studies have indicated that mutations in myelin proteins, including PLP, can induce neuroinflammation, but the temporal and spatial onset of the reactive glia response in a clinically relevant mild form of PMD …
An Old Problem With A New Therapy: Gi Bleeding In Vad Patients And Deep Bowel Enteroscopy (Double Balloon. Spiral Enteroscopy)., Hitoshi Hirose, Konrad Sarosiek, Linda Bogar, Pitcher Harrison, Barbara Ebert, Nicholas Cavarocchi
An Old Problem With A New Therapy: Gi Bleeding In Vad Patients And Deep Bowel Enteroscopy (Double Balloon. Spiral Enteroscopy)., Hitoshi Hirose, Konrad Sarosiek, Linda Bogar, Pitcher Harrison, Barbara Ebert, Nicholas Cavarocchi
Nicholas C Cavarocchi MDJ
An old problem with a new therapy: GI Bleeding in VAD patients and deep bowel enteroscopy (Spiral and Double Balloon Enteroscopy) Purpose: Evidence suggests that patients treated with non-pulsatile ventricular assist devices (VAD) are at an increased risk for gastrointestinal bleeding (GIB) beyond what is expected from routine anticoagulation. Diagnostic and treatment algorithms are currently undefined. We reviewed our experience of GIB in VAD patients and propose a new algorithm utilizing deep bowel enteroscopy (DBE) aimed to speed diagnosis and limit transfusions. (471) Methods & Procedures From 2004 to 2011, we studied 62 patients who received a non-pulsatile VAD at …
Cerebral And Lower Limb Near-Infrared Spectroscopy In Adults On Extracorporeal Membrane Oxygenation, Joshua K Wong, Thomas N Smith, Harrison T Pitcher, Hitoshi Hirose, Nicholas C. Cavarocchi
Cerebral And Lower Limb Near-Infrared Spectroscopy In Adults On Extracorporeal Membrane Oxygenation, Joshua K Wong, Thomas N Smith, Harrison T Pitcher, Hitoshi Hirose, Nicholas C. Cavarocchi
Nicholas C Cavarocchi MDJ
Percutaneous femoral venoarterial (VA) or jugular venovenous (VV) extracorporeal membrane oxygenation (ECMO) can result in delivery of hypoxic blood to the brain, coronaries, and upper extremities. Additionally, VA-ECMO by percutaneous femoral artery cannulation may compromise perfusion to the lower limbs. Use of near-infrared spectroscopy (NIRS) detects regional ischemia and warns of impending hypoxic damage. We report the first known series with standardized monitoring of this parameter in adults on ECMO. This is an institutional review board-approved single institution retrospective review of patients with NIRS monitoring on ECMO from July 2010 until June 2011. Patients were analyzed for drops in NIRS …
Tension Pneumothorax On Extracorporeal Membrane Oxygenation Leading To Significant Pneumoperitoneum., Hitoshi Hirose, Nicholas C. Cavarocchi, Kathleen Holoyda
Tension Pneumothorax On Extracorporeal Membrane Oxygenation Leading To Significant Pneumoperitoneum., Hitoshi Hirose, Nicholas C. Cavarocchi, Kathleen Holoyda
Nicholas C Cavarocchi MDJ
Veno-venous and veno-arterial extracorporeal membrane oxygenation (ECMO) therapy is used to support the cardiac and pulmonary systems in the setting of acute failure. Maintaining adequate ECMO flow is crucial for the success of the therapy. Sudden decrease in venous return on ECMO has multiple etiologies, such as intravascular hypovolemia, malposition or kink of the venous cannula, suction occlusion of a cannula, and venous or arterial thrombi. Pathology within the chest, including pneumothorax, tension hemothorax and pericardial tamponade, may also decrease the ECMO flow because of compression of the cannula and decreased atrial volume. Air from a tension pneumothorax may be …