Medical Specialties Commons^™

Reflections On A Heart Surgery Career With Insights For Western-Trained Medical Specialists In Developing Countries, Sami S Kabbani

The Texas Heart Institute Journal

Herein, I describe my experience (spanning 40 years) in helping to develop the specialty of cardiovascular surgery in Syria. Especially in the early years, the challenges were daunting. We initially performed thoracic, vascular, and closed-heart operations while dealing with inadequate facilities, bureaucratic delays, and poorly qualified personnel. After our independent surgical center was established in early 1976, we performed 1 open-heart and 1 closed-heart procedure per day. Open-heart procedures evolved from the few and simple to the multiple and complex, and we solved difficulties as they arose. Today, our cardiac surgical center occupies an entire 6-floor building. We have 12 …

Cardiac Surgery: A Century Of Progress, Allen B Weisse

The Texas Heart Institute Journal

Well into the first decades of the 20th century, medical opinion held that any surgical attempts to treat heart disease were not only misguided, but unethical. Despite such reservations, innovative surgeons showed that heart wounds could be successfully repaired. Then, extracardiac procedures were performed to correct patent ductus arteriosus, coarctation of the aorta, and tetralogy of Fallot. Direct surgery on the heart was accomplished with closed commissurotomy for mitral stenosis. The introduction of the heart-lung machine and cardiopulmonary bypass enabled the surgical treatment of other congenital and acquired heart diseases. Advances in aortic surgery paralleled these successes. The development of …

Eeg Artifact Removal Using A Wavelet Neural Network, Hoang-Anh T. Nguyen, John Musson, Jiang Li, Frederick Mckenzie, Guangfan Zhang, Roger Xu, Carl Richey, Tom Schnell, Thomas E. Pinelli (Ed.)

Electrical & Computer Engineering Faculty Publications

In this paper we developed a wavelet neural network. (WNN) algorithm for Electroencephalogram (EEG) artifact removal without electrooculographic (EOG) recordings. The algorithm combines the universal approximation characteristics of neural network and the time/frequency property of wavelet. We compared the WNN algorithm with the ICA technique and a wavelet thresholding method, which was realized by using the Stein's unbiased risk estimate (SURE) with an adaptive gradient-based optimal threshold. Experimental results on a driving test data set show that WNN can remove EEG artifacts effectively without diminishing useful EEG information even for very noisy data.

Prediction Of Brain Tumor Progression Using Multiple Histogram Matched Mri Scans, Debrup Banerjee, Loc Tran, Jiang Li, Yuzhong Shen, Frederic Mckenzie, Jihong Wang, Ronald M. Summers (Ed.), Bram Van Ginneken (Ed.)

Electrical & Computer Engineering Faculty Publications

In a recent study [1], we investigated the feasibility of predicting brain tumor progression based on multiple MRI series and we tested our methods on seven patients' MRI images scanned at three consecutive visits A, B and C. Experimental results showed that it is feasible to predict tumor progression from visit A to visit C using a model trained by the information from visit A to visit B. However, the trained model failed when we tried to predict tumor progression from visit B to visit C, though it is clinically more important. Upon a closer look at the MRI scans …

Histogram Analysis Of Adc In Brain Tumor Patients, Debrup Banerjee, Jihong Wang, Jiang Li, Norbert J. Pelc (Ed.), Ehsan Samei (Ed.), Robert M. Nishikawa (Ed.)

Electrical & Computer Engineering Faculty Publications

At various stage of progression, most brain tumors are not homogenous. In this presentation, we retrospectively studied the distribution of ADC values inside tumor volume during the course of tumor treatment and progression for a selective group of patients who underwent an anti-VEGF trial. Complete MRI studies were obtained for this selected group of patients including pre- and multiple follow-up, post-treatment imaging studies. In each MRI imaging study, multiple scan series were obtained as a standard protocol which includes T1, T2, T1-post contrast, FLAIR and DTI derived images (ADC, FA etc.) for each visit. All scan series (T1, T2, FLAIR, …

The Cultural Context Of Alzheimer’S Disease: The Impact Of Perception And Knowledge On Willingness To Seek Medcial [I.E., Medical] Help Among Ghanaian Immigrants In The United States., Olivia Owusu-Boakyewaah

Theses and Dissertations

This correlational study explored the knowledge, perceived seriousness, and willingness to seek medical help for Alzheimer’s Disease (AD) among Ghanaian Immigrants currently residing in the Unites States. Study participants were 163 Ghanaian Immigrants between the ages of 45 and 90, attending Ghanaian community churches in Virginia and Maryland. Significant results include a positive correlation between knowledge and perceived seriousness of the disease, perceived seriousness of the disease was negatively correlated with caregiving experience. These results as well as several seemingly counterintuitive findings are discussed in terms of the Health Disparities and Psychometric challenges. Specifically, these results points to the necessity …

Undetected Common Variable Immune Deficiency In A Young Adult Of Pakistani Descent., M Owais Khan, Adil Iqba Memon, Ali Bin Sarwar Zubairi, Asifali Imam

Department of Medicine

Common variable immune deficiency (CVID) is a syndrome which is due to deficiency of humoral immune response resulting in increased susceptibility to infections We report a case of CVID in a 24-year-old male whopresented with a history of recurrent pneumonias.

The Impact Of Assessment On Repeat Deliberate Self-Harm, Kellie Jones

Theses: Doctorates and Masters

Deliberate self-harm is a pervasive issue that is the topic of worldwide clinical and research focus. Among the extensive research findings two salient issues emerge that provide the foundation for this study. The first is that a deliberate self-harm attempt is a significant risk factor for future attempts. The second is that a comprehensive assessment of a person presenting with an incident of deliberate self-harm can reduce further deliberate self-harming behaviour. A limitation of existing research is that no study has clearly identified the nature of assessments that impact on the likelihood of future self-harm attempts. The initial aim of …

New Perspectives On Melanoma: The Role Of Pax3, Sandra Medic

Theses: Doctorates and Masters

Background: Cutaneous melanoma is an aggressive form of skin cancer, arising in cutaneous melanocytes. The transcription factor PAX3 is critical for the proper development of neural crest lineages including melanocytes. Melanocytic cells show continued PAX3 expression from melanoblast formation in the neural crest to their differentiation into melanocytes. While many studies clarify the importance of PAX3 in embryonic development of melanocytes, less well understood, and more perplexing, is the continued PAX3 expression in adult skin melanocytes. By contrast PAX3 is frequently found in melanomas and naevi, and its expression correlates with melanoma staging. In this study we explore the multiple …

Prenatal Maternal Stress Programs Infant Stress Regulation, Elyssia Poggi Davis, Laura M. Glynn, Feizal Waffarn, Curt A. Sandman

Psychology Faculty Articles and Research

Objective: Prenatal exposure to inappropriate levels of glucocorticoids (GCs) and maternal stress are putative mechanisms for the fetal programming of later health outcomes. The current investigation examined the influence of prenatal maternal cortisol and maternal psychosocial stress on infant physiological and behavioral responses to stress.

Methods: The study sample comprised 116 women and their full term infants. Maternal plasma cortisol and report of stress, anxiety and depression were assessed at 15, 19, 25, 31 and 36 + weeks' gestational age. Infant cortisol and behavioral responses to the painful stress of a heel-stick blood draw were evaluated at 24 hours after …

A Large Goiter In A Euthyroid Child Due To A Thyroglobulin Gene Defect, Arnold H. Slyper Md, Pia Hermanns Ms, Phd, Jessica Okamoto Rn, Leeyat Slyper

Department of Pediatrics

No abstract provided.

Risk Factors Affecting Surgical Outcomes In Patients Undergoing Hypothermic Circulatory Arrest During Aortic Surgeries: A 10-Year Study, Bree Ann Young, James K. Wu, Martin E. Matsumura Md, Sanjay M. Mehta Md, Theodore G. Phillips Md, Michael F. Szwerc Md, Gary W. Szydlowski Md, Raymond L. Singer Md

Department of Medicine

No abstract provided.

Geriatric Experience Following Cardiac Arrest At Six Interventional Cardiology Centers In The United States 2007-2011, David B. Seder Md, Nainesh Patel Md, John A. Mcpherson Md, Paul W. Mcmullan Md, Karl B. Kern Md, Barbara T. Unger Rn, J Browning, Sudip Nanda Md, Facp, Melkon Hacobian Md, Michael B. Kelley Md, Niklas Nielsen Md, Phd, Michael R. Mooney Md

Department of Medicine

No abstract provided.

Post-Resuscitation Care Practices Following Cardiac Arrest At Six Regional Interventional Cardiology Centers In The United States 2007-2011, David B. Seder Md, Nainesh Patel Md, John A. Mcpherson Md, Paul W. Mcmullan Md, Karl B. Kern Md, Barbara T. Unger Rn, J Browning, Sudip Nanda Md, Facp, Melkon Hacobian Md, Michael B. Kelley Md, Niklas Nielsen Md, Phd, Michael R. Mooney Md

Department of Medicine

No abstract provided.

Improving The Quality Of Information Sent To Primary Care Physicians For Patients Discharged From Nursing Facilities, Catherine M. Glew Bm, Bs, Cmd, Anne M. Yawman Md

Department of Medicine

No abstract provided.

Neo-Adjuvant Chemotherapy And Radiation Therapy In Patients With Stage Iiia (N2) Non-Small Cell Lung Cancer (Nsclc): A Retrospective Analysis With Lessons Learned, Eliot L. Friedman Md, Michael F. Szwerc Md, Charles Andrews Md, Robert Kruklitis Md, Kathleen A. Leies, Ferdy Santiago

Department of Medicine

No abstract provided.

Plexiform Neurofibroma Associated With Nf1, Stephen M. Purcell Do, Tatyana Groysman Do

Department of Medicine

No abstract provided.

Progressive Symmetric Erythrokeratoderma, Sevasti Margetas Do, Stephen Purcell Do

Department of Medicine

No abstract provided.

Pseudo-Cushing’S Syndrome In A Hiv Patient With Complete Resolution Following Discontinuation Of Darunavir/Ritonavir, Rashmi Sharma Md, Margaret Hoffman-Terry Md, Facp

Department of Medicine

No abstract provided.

Using Teach Back To Reduce Readmission Rates In Hospitalized Heart Failure Patients, Michael Pistoria Do, Facp, Sfhm, Debra Peter Msn, Rn, Bc, Cmsrn, Paula Robinson Msn, Rn, Bc, Kim Jordan Mha, Bsn, Rn, Ne-Bc, Susan Lawrence Ms, Cmac

Department of Medicine

No abstract provided.

Community Cancer Services, Clinical Trials, And Quality Initiatives—Year 1 Ncccp At Lehigh Valley Health Network, Gregory R. Harper Md, Phd, Ada M. Rivera Ba, Eliot L. Friedman Md, Kathleen A. Leies Rn, Ocn, Nadesda Mack Rn, Bsn, Mba, Ocn, Lenore Mcgonigle Med, Suresh G. Nair Md, Tara Namey Ms, Cgc, Debbie Salas-Lopez Md, Mph, Facp, Ronald W. Swinfard Md, Facp

Department of Medicine

No abstract provided.

Development Of Fetal Movement Between 26 And 36 Weeks’ Gestation In Response To Vibroacoustic Stimulation, Marybeth Grant-Beuttler, Laura M. Glynn, Amy L. Salisbury, Elyssia Poggi Davis, Carol Holliday, Curt A. Sandman

Psychology Faculty Articles and Research

BACKGROUND: Ultrasound observation of fetal movement has documented general trends in motor development and fetal age when motor response to stimulation is observed. Evaluation of fetal movement quality, in addition to specific motor activity, may improve documentation of motor development and highlight specific motor responses to stimulation.

AIM: The aim of this investigation was to assess fetal movement at 26 and 36-weeks gestation during three conditions (baseline, immediate response to vibro-acoustic stimulation (VAS), and post-response).

DESIGN: A prospective, longitudinal design was utilized.

SUBJECTS: Twelve normally developing fetuses, eight females and four males, were examined with continuous ultrasound imaging.

OUTCOME MEASURES: …

Prenatal Programming Of Human Neurological Function, Curt A. Sandman, Elyssia Poggi Davis, Claudia Buss, Laura M. Glynn

Psychology Faculty Articles and Research

The human placenta expresses the genes for proopiomelanocortin and the major stress hormone, corticotropin-releasing hormone (CRH), profoundly altering the "fight or flight" stress system in mother and fetus. As pregnancy progresses, the levels of these stress hormones, including maternal cortisol, increase dramatically. These endocrine changes are important for fetal maturation, but if the levels are altered (e.g., in response to stress), they influence (program) the fetal nervous system with long-term consequences. The evidence indicates that fetal exposure to elevated levels of stress hormones (i) delays fetal nervous system maturation, (ii) restricts the neuromuscular development and alters the stress response of …

A Sibling Case-Control Study Of Maternal Prenatal Body Mass Index As A Risk Factor For Autism Spectrum Disorder, Ruth Ann Hendrix

Walden Dissertations and Doctoral Studies

The prevalence of autism spectrum disorder (ASD) is estimated to be one in every 150 births. While both genetic and postpartum environmental exposure have been linked to ASD, prenatal maternal weight has not been investigated. The objective of the study is to assess whether overweight or obesity at pregnancy is an important risk factor for the diagnosis of ASD in offspring. A case-control study was designed to answer this question using the public health ecosocial theory. The study population consisted of 70 mothers, who were recruited via the Internet using the viral expansion loop. Multiple logistic regression analysis was used …

Spirituality And Depression In Parents With Children In Oncology Or Hematology Treatment, Kurt D. Soell

Walden Dissertations and Doctoral Studies

The psychological burden of cancer treatment affects not only child patients but also their parents. There is extensive literature on the positive influence of spirituality on the cancer patient. But there is a gap in the literature on the potential healing influence of spirituality on the parent of the cancer or hematology patient. The purpose of this study was to examine the relationship between spirituality and parents' levels of depression and anxiety during their child's hematological or oncology treatment. Using the transtheoretical model of change, a purposive sample of 48 parents of children undergoing cancer or hematology treatment completed a …

Management Of Acute Regurgitation In Left-Sided Cardiac Valves, Nahush A Mokadam, Karen K Stout, Edward D Verrier

The Texas Heart Institute Journal

The management of acute, severe cardiac valvular regurgitation requires expeditious multidisciplinary care. Although acute, severe valvular regurgitation can be a true surgical emergency, accurate diagnosis and subsequent treatment decisions require clinical acumen, appropriate imaging, and sound judgment. An accurate and timely diagnosis is essential for successful outcomes and requires appropriate expertise and a sufficiently high degree of suspicion in a variety of settings. Whereas cardiovascular collapse is the most obvious and common presentation of acute cardiac valvular regurgitation, findings may be subtle, and the clinical presentation can often be nonspecific. Consequently, other acute conditions such as sepsis, pneumonia, or nonvalvular …

Takayasu Arteritis With Coronary Aneurysms Causing Acute Myocardial Infarction In A Young Man, Sana Ouali, Slim Kacem, Fatma Ben Fradj, Rim Gribaa, Elyes Naffeti, Fahmi Remedi, Chedia Laaoueni, Essia Boughzela

The Texas Heart Institute Journal

Takayasu arteritis is an inflammatory condition that involves the large cardiac vessels, predominantly the aorta and its main branches. It typically affects young women (age, ≤40 yr), most often Asians and Latin Americans. Herein, we describe a rare manifestation of Takayasu arteritis in a 19-year-old black Tunisian man who presented with acute inferior myocardial infarction and complete atrioventricular block after occlusion from a giant aneurysm in the right coronary artery. The coronary artery disease was associated with aneurysmal dilations in the carotid, vertebral, and right renal arteries. Medical therapy improved Thrombolysis in Myocardial Infarction flow in the area of the …

Differences In Breast Cancer Tumor Size, Stage, And Survival By Socioeconomic Position In Young Women, Julie Maureen Tomaska

Walden Dissertations and Doctoral Studies

Although the incidence of breast cancer in women under 40 years of age is somewhat rare, young women tend to present with cancer that is more advanced and with poorer prognostic characteristics. This research will be important to providers, women and their families and those seeking to clarify screening guidelines. The purpose of this quantitative, retrospective, cohort study was to evaluate differences in prognostic characteristics by socioeconomic position (SIP). The cohort was comprised of females aged 18 to 39 with a primary diagnosis of breast cancer. Data were obtained from the Surveillance, Epidemiology and End Results registry for all primary …

Effect Of Clinical Laboratory Practitioner Licensing On Wages, Mary Hotaling

Walden Dissertations and Doctoral Studies

Professional licensing directly affects about 29% of U.S. workers and is considered a primary means to establish and maintain health care practitioner competence. Clinical laboratory practitioner licensing was largely ignored in the literature with only 2 studies 30 years apart that provided conflicting conclusions regarding wage effects. This research provided the first study of clinical laboratory practitioner licensing effects on wages after controlling for human capital and individual characteristics wage determinants. This nonexperimental correlational study extended the literature on licensing effects on wages, including women's wages and professions not uniformly licensed across 50 states. The theoretical foundation relied on the …

Assessing Doppler-Derived Pressure Gradients And Liver Echogenicity To Predict Liver Disease, Joy D. Guthrie

Walden Dissertations and Doctoral Studies

Liver disease causes an estimated 36,000 deaths in the United States each year. Currently, to detect liver disease, an invasive biopsy is required. Other, less invasive diagnostic alternatives are needed. The purpose of this study was to assess the efficacy of a modified form of sonographic screening, including portal, hepatic, and splenic venous pressure, hepatic venous waveform analysis, portal vein diameter, and echogenicity of liver parenchyma in predicting liver disease. The study was based on conversion of a velocity measurement to a pressure gradient, allowing a fluid comparison between known catheterization venous pressures and sonographic Doppler-derived pressure gradients. This study …