Anatomy Commons^™

Visual Estimates Of Blood Loss By Medical Laypeople: Effects Of Blood Loss Volume, Victim Gender, And Perspective, Rachel Phillips, Marc Friberg, Mattias Lantz Cronqvist, Carl-Oscar Jonson, Erik Prytz

Psychology Faculty Publications

A severe hemorrhage can result in death within minutes, before professional first responders have time to arrive. Thus, intervention by bystanders, who may lack medical training, may be necessary to save a victim's life in situations with bleeding injuries. Proper intervention requires that bystanders accurately assess the severity of the injury and respond appropriately. As many bystanders lack tools and training, they are limited in terms of the information they can use in their evaluative process. In hemorrhage situations, visible blood loss may serve as a dominant cue to action. Therefore, understanding how medically untrained bystanders (i.e., laypeople) perceive hemorrhage …

Anal Fistulotomy (Seton Placement), James M. Nottingham, Rebecca M. Rentea

Manuscripts, Articles, Book Chapters and Other Papers

An anal fistula (anorectal fistula) is one of the most common colorectal issues in the U.S. An anal or anorectal fistula is an inflammatory tract or connection between the anal canal and the perianal skin. Classic anal fistulas are the result of a perineal infection and abscess formation. These infections arise from the anal glands, which form a cryptoglandular abscess at the dentate line and then communicate outward to the perianal skin. The abscess or infections can spontaneously drain externally or be drained by a surgical incision and drainage procedure. After the drainage, a chronic tract can form that will …

Bioenergetic Functions In Subpopulations Of Heart Mitochondria Are Preserved In A Non-Obese Type 2 Diabetes Rat Model (Goto-Kakizaki), Nicola Lai, C. M. Kummitha, F. Loy, R. Isola, C. L. Hoppel

Electrical & Computer Engineering Faculty Publications

A distinct bioenergetic impairment of heart mitochondrial subpopulations in diabetic cardiomyopathy is associated with obesity; however, many type 2 diabetic (T2DM) patients with high-risk for cardiovascular disease are not obese. In the absence of obesity, it is unclear whether bioenergetic function in the subpopulations of mitochondria is affected in heart with T2DM. To address this issue, a rat model of non-obese T2DM was used to study heart mitochondrial energy metabolism, measuring bioenergetics and enzyme activities of the electron transport chain (ETC). Oxidative phosphorylation in the presence of substrates for ETC and ETC activities in both populations of heart mitochondria in …

Context Aware Deep Learning For Brain Tumor Segmentation, Subtype Classification, And Survival Prediction Using Radiology Images, Linmin Pei, Lasitha Vidyaratne, Md Monibor Rahman, Khan M. Iftekharuddin

Electrical & Computer Engineering Faculty Publications

A brain tumor is an uncontrolled growth of cancerous cells in the brain. Accurate segmentation and classification of tumors are critical for subsequent prognosis and treatment planning. This work proposes context aware deep learning for brain tumor segmentation, subtype classification, and overall survival prediction using structural multimodal magnetic resonance images (mMRI). We first propose a 3D context aware deep learning, that considers uncertainty of tumor location in the radiology mMRI image sub-regions, to obtain tumor segmentation. We then apply a regular 3D convolutional neural network (CNN) on the tumor segments to achieve tumor subtype classification. Finally, we perform survival prediction …

Efficacy Of Radiomics And Genomics In Predicting Tp53 Mutations In Diffuse Lower Grade Glioma, Zeina A. Shboul, Khan Iftekharuddin

Electrical & Computer Engineering Faculty Publications

An updated classification of diffuse lower-grade gliomas is established in the 2016 World Health Organization Classification of Tumors of the Central Nervous System based on their molecular mutations such as TP53 mutation. This study investigates machine learning methods for TP53 mutation status prediction and classification using radiomics and genomics features, respectively. Radiomics features represent patients' age and imaging features that are extracted from conventional MRI. Genomics feature is represented by patients’ gene expression using RNA sequencing. This study uses a total of 105 LGG patients, where the patient dataset is divided into a training set (80 patients) and testing set …

Deep Learning With Context Encoding For Semantic Brain Tumor Segmentation And Patient Survival Prediction, Linmin Pei, Lasitha Vidyaratne, Md Monibor Rahman, Khan M. Iftekharuddin

Electrical & Computer Engineering Faculty Publications

One of the most challenging problems encountered in deep learning-based brain tumor segmentation models is the misclassification of tumor tissue classes due to the inherent imbalance in the class representation. Consequently, strong regularization methods are typically considered when training large-scale deep learning models for brain tumor segmentation to overcome undue bias towards representative tissue types. However, these regularization methods tend to be computationally exhaustive, and may not guarantee the learning of features representing all tumor tissue types that exist in the input MRI examples. Recent work in context encoding with deep CNN models have shown promise for semantic segmentation of …

Recovery From Visual Dysfunction Following Mild Traumatic Brain Injury Is Associated With Adaptive Reorganization Of Retinal Inputs To Lateral Geniculate Nucleus In The Mouse Model Utilizing Central Fluid Percussion Injury., Vishal C. Patel

Theses and Dissertations

Traumatic brain injury (TBI) is a leading cause of morbidity and mortality nationwide. Prevalence of mild TBI (mTBI) vastly outnumbers more severe forms however the associated morbidity has only recently gained public attention. Visual dysfunction is a significant component of mTBI associated morbidity with recovery of function linked with improvement in global outcomes. Examination of sensory and motor pathways in other brain injury paradigms support that recovery is largely dependent on adaptive plasticity of remaining connections. Current examinations of visual function recovery following mTBI is limited to identifying evidence for recovery and objective evidence for adaptive plasticity is limited. Therefore, …

Towards Making Videos Accessible For Low Vision Screen Magnifier Users, Ali Selman Aydin, Shirin Feiz, Vikas Ashok, Iv Ramakrishnan

Computer Science Faculty Publications

People with low vision who use screen magnifiers to interact with computing devices find it very challenging to interact with dynamically changing digital content such as videos, since they do not have the luxury of time to manually move, i.e., pan the magnifier lens to different regions of interest (ROIs) or zoom into these ROIs before the content changes across frames.

In this paper, we present SViM, a first of its kind screen-magnifier interface for such users that leverages advances in computer vision, particularly video saliency models, to identify salient ROIs in videos. SViM's interface allows users to zoom in/out …

Rotate-And-Press: A Non-Visual Alternative To Point-And-Click, Hae-Na Lee, Vikas Ashok, I. V. Ramakrishnan

Computer Science Faculty Publications

Most computer applications manifest visually rich and dense graphical user interfaces (GUIs) that are primarily tailored for an easy-and-efficient sighted interaction using a combination of two default input modalities, namely the keyboard and the mouse/touchpad. However, blind screen-reader users predominantly rely only on keyboard, and therefore struggle to interact with these applications, since it is both arduous and tedious to perform the visual 'point-and-click' tasks such as accessing the various application commands/features using just keyboard shortcuts supported by screen readers.

In this paper, we investigate the suitability of a 'rotate-and-press' input modality as an effective non-visual substitute for the visual …

Sail: Saliency-Driven Injection Of Aria Landmarks, Ali Selman Aydin, Shirin Feiz, Vikas Ashok, Iv Ramakrishnan

Computer Science Faculty Publications

Navigating webpages with screen readers is a challenge even with recent improvements in screen reader technologies and the increased adoption of web standards for accessibility, namely ARIA. ARIA landmarks, an important aspect of ARIA, lets screen reader users access different sections of the webpage quickly, by enabling them to skip over blocks of irrelevant or redundant content. However, these landmarks are sporadically and inconsistently used by web developers, and in many cases, even absent in numerous web pages. Therefore, we propose SaIL, a scalable approach that automatically detects the important sections of a web page, and then injects ARIA landmarks …

Application Of A Brain-Inspired Spiking Neural Network Architecture To Odor Data Classification, Anup Vanarse, Josafath Israel Espinosa-Ramos, Adam Osseiran, Alexander Rassau, Nikola Kasabov

Research outputs 2014 to 2021

Existing methods in neuromorphic olfaction mainly focus on implementing the data transformation based on the neurobiological architecture of the olfactory pathway. While the transformation is pivotal for the sparse spike-based representation of odor data, classification techniques based on the bio-computations of the higher brain areas, which process the spiking data for identification of odor, remain largely unexplored. This paper argues that brain-inspired spiking neural networks constitute a promising approach for the next generation of machine intelligence for odor data processing. Inspired by principles of brain information processing, here we propose the first spiking neural network method and associated deep machine …

Spinal Motor Neuron Excitability And Balance Control Changes Following Downslope Walking, Nikki Aitcheson-Huehn

Theses and Dissertations (Comprehensive)

Downslope walking (DSW) has been proposed as a rehabilitation tool for people with Multiple Sclerosis (PwMS) although there are mixed findings in young adults (YA) regarding the balance control changes, despite both populations experiencing depressed spinal motor neuron (MN) pool excitability. Our aim was to determine whether YAs could demonstrate improved balance control in conjunction with SOL H reflex depression (estimate of spinal MN excitability) following DSW. We also aimed to determine whether reciprocal inhibition was a potential mechanism for H reflex depression via conditioned SOL H reflexes. Thirty young adults (23±1.4y, 6 males) were assigned to 30-minutes of DSW …

Conception D’Oreilles Artificielles Réalistes Dédiées À L’Étude Du Confort Acoustique Et Physique Des Protecteurs Auditifs Intra-Auriculaires, Simon Benacchio, Olivier Doutres, Éric Wagnac, Franck Sgard

Rapports de recherche scientifique

Au Québec, environ 360 000 travailleurs sont exposés quotidiennement à des niveaux de bruit susceptibles d’engendrer des problèmes d’audition. Les protecteurs auditifs individuels sont souvent utilisés pour pallier ce problème. Cependant, l’inconfort lié à l'utilisation de ces protecteurs limite la durée du port et donc l'efficacité de la protection. Le développement d'outils de conception acoustique minimisant les sources d’inconforts auditifs et physiques de ces protecteurs tout en assurant une atténuation adéquate constitue le contexte de cette recherche.

La présente étude se concentre sur deux indicateurs du confort associés au port des bouchons d’oreille : l’atténuation et l’effet d’occlusion. L’atténuation quantifie …

A Case Of Ana-Negative Systemic Sclerosis Treated With Methylprednisolone, Carminda P. Rogacion, Veronica S, Uy, Reynaldo L. Ugalde, Emmerson Gale S. Vista

Journal of General - Procedural Dermatology and Venereology Indonesia

Background: Systemic sclerosis is a multi-systemic disease characterized by excessive fibrosis, inflammation, and vasculopathy. Common clinical features include skin thickening, telangiectasias, salt and pepper skin, beak-shaped nose, and microstomy. We report a case of ANA-negative systemic sclerosis in a male patient.

Case illustration: Our patient presented with a 10-month history of diffuse hyperpigmentation, skin tightening and decreased mouth aperture, accompanied by digital ulcers, hypopigmented macules and violaceous discoloration of the digits upon exposure to cold temperature. Punch biopsy done revealed mild acanthosis of the epidermis with basal cell layer hyperpigmentation, vacuolar alteration and thickening of the basement membrane …

Association Between Obesity And History Of Atopy With Atopic Dermatitis In Children: A Cross-Sectional Study, Putu Nila Wardhani Batan, Ariana Ariana, Made Wardhana

Journal of General - Procedural Dermatology and Venereology Indonesia

Background: The prevalence of atopic dermatitis (AD) has rapidly increased in the past 4 decades and has been mostly observed in children. The prevalence of obesity has also significantly increased worldwide, suggesting that the two conditions may be associated.

Methods: This retrospective analytic study involved a cross-sectional design and used secondary data taken from the medical record of patients who visited the Pediatric Dermatology Subdivision at Dermatology and Venereology Polyclinic Sanglah General Hospital from January 2015 to December 2015. Thirty-two samples were selected.

Results: The prevalence ratio of obesity among subjects with AD was 2.178 (95% CI …

Treatment Of Multibacillary Leprosy Following The Development Of Dapsone Hypersensitivity Syndrome, Sudarsono Sudarsono

Journal of General - Procedural Dermatology and Venereology Indonesia

Background: World Health Organization (WHO) multi-drug therapy (MDT) is the current standard treatment for leprosy. A wide range of frequency of adverse effects caused by MDT has been reported. Dapsone hypersensitivity syndrome (DHS) is a serious adverse effect caused by dapsone. Prompt withdrawal of dapsone is important aspect in the management of DHS. Alternative regimens are needed to treat leprosy patient with DHS.

Case Illustration: A 37-year-old man with multibacillary (MB) leprosy developed DHS in 39 days after the initiation of WHO MDT. Dapsone was withdrawn and methylprednisolone of 75 mg/day was prescribed. Twelve days after admission the …

Prevalence And Risk Factors Of Bacterial Vaginosis Among Female Sex Workers In Surakarta, Rini Hastuti, Danu Yuliarto, Agung Triana, Willa Damayanti, Rakhma Tri Irfanti, Mardiana Mardiana, Putti Fatiharani Dewi, Ambar Aliwardani, Ervianti Abas, Sulistyo Sulistyo, Prasetyadi Mawardi, Endra Yustin Ellistasari

Journal of General - Procedural Dermatology and Venereology Indonesia

Background: Bacterial vaginosis (BV) is the most common vaginal infection in women of reproductive age and increases the risk of acquiring human immunodeficiency virus (HIV) and other sexually transmitted diseases (STDs). Data regarding the association between sexual activity and BV acquisition is contradictory. Thus, tracking the prevalence and associated risk factors of BV among female sex workers (FSWs) is necessary to improve our understanding and control of STDs and the HIV epidemic.

Methods: The subjects of this study were FSWs in Surakarta. This study adopted a cross-sectional design, and diagnosis was established using Amsel criteria. Interviews were conducted …

The Epidemiology Of Skin Cancer At Dr. Cipto Mangunkusumo National Central General Hospital From 2014 To 2017, Larisa Paramitha Wibawa, Melody Febriana Andardewi, Inge Adi Kristanti, Riesye Arisanty

Journal of General - Procedural Dermatology and Venereology Indonesia

Background: The incidence of skin cancer has been increasing over the past decades globally. At present, there is no valid national cancer data in Indonesia. The purpose of this study is to evaluate the increment of skin cancer cases at Dr. Cipto Mangunkusumo National General Hospital, Jakarta.

Methods: In this retrospective descriptive study, we evaluated all pigmented skin tumor cases from June 2014 to June 2017. Data were obtained from the Department of Anatomical Pathology and medical records at Dr. Cipto Mangunkusumo National General Hospital. Data were compared with previous reports.

Results: From 263 skin cancer cases, …

Langerhans Cell Histiocytosis: Diagnosis And Management, Lusiana Lusiana, Hikari Ambara Sjakti, Githa Rahmayunita, Tjut Nurul Alam Jacoeb, Inge Ade Krisanti

Journal of General - Procedural Dermatology and Venereology Indonesia

Langerhans cell histiocytosis (LCH) is a rare disorder characterized by abnormal clonal proliferation of Langerhans dendritic cells. The incidence of LCH is 1 to 3 cases per 1 million children worldwide, and occurs most frequently in children of 1–4 years of age. The etiopathogenesis of LCH, whether it is neoplastic or reactive, is still controversial. Langerhans cell histiocytosis has a wide spectrum of clinical features, and dermatological abnormalities usually occur early. The most frequent lesions are elevated yellowish-red translucent papules about 1–2 mm in diameter and generally located in seborrheic areas. The most recent classification (the Histiocyte Society study 2017) …

The Use Of Systemic Medications In Pediatric Dermatoses: A Review, Shanthi Narla, Githa Rahmayunita, Rinadewi Astriningrum, Tor Shwayder, Ariyati Yosi, Henry W. Lim

Journal of General - Procedural Dermatology and Venereology Indonesia

Research has begun to illustrate a favorable efficacy and side-effect profile for many systemic agents used in pediatric dermatological conditions (i.e. atopic dermatitis, psoriasis, scleroderma, alopecia areata, chronic spontaneous urticaria, autoimmune blistering disorders, and hidradenitis suppurativa) despite not having extensive randomized clinical trials. The purpose of this article is to summarize the available data on the treatment regiments, safety, and efficacy of systemic immunosuppressants, including the newer biologics, focusing on the most up-to-date systematic reviews or randomized clinical trials. The review demonstrates that many of the present studies lack data on long-term efficacy and consist of small patient populations. Further …