Medical Specialties Commons^™

Advances In The Clinical Application Of High-Throughput Proteomics, Miao Cui, Fei Deng, Mary L Disis, Chao Cheng, Lanjing Zhang

Faculty, Staff and Students Publications

High-throughput proteomics has become an exciting field and a potential frontier of modern medicine since the early 2000s. While significant progress has been made in the technical aspects of the field, translating proteomics to clinical applications has been challenging. This review summarizes recent advances in clinical applications of high-throughput proteomics and discusses the associated challenges, advantages, and future directions. We focus on research progress and clinical applications of high-throughput proteomics in breast cancer, bladder cancer, laryngeal squamous cell carcinoma, gastric cancer, colorectal cancer, and coronavirus disease 2019. The future application of high-throughput proteomics will face challenges such as varying protein …

Stroke Survivors’ Telemedicine Experiences During The Covid-19 Pandemic: A Phenomenological Investigation, Barbara Kimmel, Annette Walder, Anette Ovalle, Chethan P Venkatasubba Rao, Sean I Savitz, Mark Goldberg, Steven Warach, Salvador Cruz-Flores, Daiwai M Olson, Jane A Anderson

Faculty, Staff and Student Publications

PURPOSE: This study aimed to describe stroke survivors' experiences receiving telemedicine visits at the Lone Star Stroke Consortium during the COVID-19 pandemic.

MATERIALS AND METHODS: A qualitative descriptive phenomenological design was applied to gather patients' telemedicine experiences through in-depth interviews, using a study guide. Audio-recorded interviews were conducted via ZOOM and transcribed verbatim. Two independent reviewers used the Giorgi descriptive method to analyze the data and search for the essence of stroke survivors' follow-up telemedicine experiences during the COVID-19 pandemic.

RESULTS: Fifteen underserved patients were recruited: mean age, 51.8 (15.7), and 9 (60%) females. Three themes emerged: (1) vivid memory …

A Woman With Bilateral Pheochromocytoma And Tuberous Sclerosis Complex, Maleeha Zahid, Shalini Koshy, Jawairia Shakil, Helmi S Khadra, Luan D Truong, Archana R Sadhu

Faculty, Staff and Students Publications

BACKGROUND/OBJECTIVE: Pheochromocytoma and paraganglioma (PPGL) are rare neuroendocrine tumors. Here, we report an unusual case of synchronous PPGL in an asymptomatic patient with tuberous sclerosis complex (TSC).

CASE REPORT: A 49-year-old woman with a history of TSC and end-stage renal disease was referred for evaluation of bilateral adrenal and retroperitoneal masses. She denied chest pain, palpitations, headaches, or previous hypertensive crisis. The laboratory test results showed a plasma normetanephrine level of 20.20 nmol/L (normal range, 0.00-0.89 nmol/L) and plasma chromogranin A level Chromogranin A (CgA) levels of 1518 ng/mL (normal range, 0-103 ng/mL). The plasma metanephrine level was normal. After …

Predictive Analytics In Bronchopulmonary Dysplasia: Past, Present, And Future, Bryan G Mcomber, Alvaro G Moreira, Kelsey Kirkman, Sebastian Acosta, Craig Rusin, Binoy Shivanna

Faculty, Staff and Students Publications

Bronchopulmonary dysplasia (BPD) remains a significant complication of prematurity, impacting approximately 18,000 infants annually in the United States. Advances in neonatal care have not reduced BPD, and its management is challenged by the rising survival of extremely premature infants and the variability in clinical practices. Leveraging statistical and machine learning techniques, predictive analytics can enhance BPD management by utilizing large clinical datasets to predict individual patient outcomes. This review explores the foundations and applications of predictive analytics in the context of BPD, examining commonly used data sources, modeling techniques, and metrics for model evaluation. We also highlight bioinformatics' potential role …

Wall Motion Assessment By Feature Tracking In Pediatric Patients With Coronary Anomalies Undergoing Dobutamine Stress Cmr, Shagun Sachdeva, Silvana Molossi, Dana Reaves-O'Neal, Prakash Masand, Tam T Doan

Faculty, Staff and Students Publications

BACKGROUND: Left ventricular (LV) wall motion assessment is an important adjunct in addition to perfusion defects in assessing ischemic changes. This study aims to investigate the feasibility and utility of performing feature tracking (FT) in pediatric patients with coronary anomalies undergoing dobutamine stress CMR to assess wall motion abnormalities (WMA) and perfusion defects.

METHOD: This is a retrospective study where 10 patients with an inducible first-pass perfusion (FPP) defect and 10 without were selected. Global LV circumferential strain/strain rate (GCS/GCSR) was measured at rest and at peak stress (systole and diastole) using a commercially available feature tracking software. Peak GCS …

Long-Term Efficacy And Safety Of Cardiac Genome Editing For Catecholaminergic Polymorphic Ventricular Tachycardia, Oliver M Moore, Yuriana Aguilar-Sanchez, Satadru K Lahiri, Mohit M Hulsurkar, J Alberto Navarro-Garcia, Tarah A Word, Joshua A Keefe, Dean Barazi, Elda M Munivez, Charles T Moore, Vaidya Parthasarathy, Jaysón Davidson, William R Lagor, So Hyun Park, Gang Bao, Christina Y Miyake, Xander H T Wehrens

Faculty, Staff and Students Publications

INTRODUCTION: Heterozygous autosomal-dominant single nucleotide variants in RYR2 account for 60% of cases of catecholaminergic polymorphic ventricular tachycardia (CPVT), an inherited arrhythmia disorder associated with high mortality rates. CRISPR/Cas9-mediated genome editing is a promising therapeutic approach that can permanently cure the disease by removing the mutant RYR2 allele. However, the safety and long-term efficacy of this strategy have not been established in a relevant disease model.

AIM: The purpose of this study was to assess whether adeno-associated virus type-9 (AAV9)-mediated somatic genome editing could prevent ventricular arrhythmias by removal of the mutant allele in mice that are heterozygous for

METHODS …

Anomalous Aortic Origin Of A Coronary Artery In Pediatric Patients, Tam T Doan, Charles Puelz, Craig Rusin, Silvana Molossi

Faculty, Staff and Students Publications

PURPOSE OF REVIEW: We present a contemporary approach to risk assessment and management of patients with anomalous aortic origin of a coronary artery (AAOCA).

RECENT FINDINGS: Anomalous left coronary artery from the right aortic sinus (L-AAOCA) with interarterial course carries a high risk of sudden cardiac death (SCD); therefore, current guidelines recommend exercise restriction and surgical intervention. Recent data in intraseptal and juxtacommissural L-AAOCA showed inducible perfusion abnormalities, leading to consideration of surgical intervention. Anomalous right coronary artery from the left aortic sinus (R-AAOCA) carries a much lower risk and stress perfusion imaging is helpful in identifying patients with inducible …

Meta-Analysis Of Postoperative Myocardial Injury As A Predictor Of Mortality After Living Donor Liver Transplantation, Krzysztof Jankowski, Frank W Peacock, Michal Pruc, Teresa Malecka-Massalska, Lukasz Szarpak

Faculty, Staff and Students Publications

BACKGROUND: The purpose of this study was to perform a systematic review and meta-analysis to investigate postoperative myocardial injury, as expressed by the postoperative concentration of high-sensitivity cardiac troponin I (hs-cTnI) as a predictor of mortality among living donor liver transplantation (LDLT) patients.

METHODS: PubMed, Scopus, Embase and the Cochrane Library were searched through to September 1st 2022. The primary endpoint included in-hospital mortality. Secondary endpoints were 1-year mortality and re-transplantation occurrence. Estimates are expressed as risk ratios (RRs) and 95% confidence intervals (95% CIs). Heterogeneity was assessed with the I² test.

RESULTS: During the search, 2 studies were found …

Increasing Social Determinants Of Health Screening Rates Among Six Endocrinology Centers Across The United States: Results From The T1d Exchange Quality Improvement Collaborative, Ori Odugbesan, Trevon Wright, Nana-Hawa Yayah Jones, Selorm Dei-Tutu, Mary Pat Gallagher, Emily Dewit, Roberto E Izquierdo, Marisa Desimone, Nicole Rioles, Osagie Ebekozien

Faculty, Staff and Students Publications

Social determinants of health (SDOH) are strongly associated with outcomes for people with type 1 diabetes. Six centers in the T1D Exchange Quality Improvement Collaborative applied quality improvement principles to design iterative Plan-Do-Study-Act cycles to develop and expand interventions to improve SDOH screening rates. The interventions tested include staff training, a social risk index, an electronic health record patient-facing portal, partnerships with community organizations, and referrals to community resources. All centers were successful in improving SDOH screening rates, with individual site improvements ranging from 41 to 70% and overall screening across the six centers increasing from a baseline of 1% …

Early Administration Of Steroids In The Ambulance Setting: An Observational Design Trial (Easi-As-Odt), Jennifer N Fishe, Gerard Garvan, Andrew Bertrand, Shannon Burcham, Phyllis Hendry, Manish Shah, Kathryn Kothari, David W Ashby, Daniel Ostermeyer, Lauren Riney, Olga Semenova, Benjamin Abo, Benjamin Abes, Nichole Shimko, Emily Myers, Marshall Frank, Tim Turner, Mac Kemp, Kim Landry, Greg Roland, Kathryn V Blake

Faculty, Staff and Students Publications

BACKGROUND: In the emergency department (ED), prompt administration of systemic corticosteroids for pediatric asthma exacerbations decreases hospital admission rates. However, there is sparse evidence for whether earlier administration of systemic corticosteroids by emergency medical services (EMS) clinicians, prior to ED arrival, further improves pediatric asthma outcomes.

METHODS: Early Administration of Steroids in the Ambulance Setting: An Observational Design Trial is a multicenter, observational, nonrandomized stepped-wedge design study with seven participating EMS agencies who adopted an oral systemic corticosteroid (OCS) into their protocols for pediatric asthma treatment. Using univariate analyses and multivariable mixed-effects models, we compared hospital admission rates for pediatric …

Coronary Artery Bypass Grafting In A Patient With Multivessel Disease And Dextrocardia With Situs Inversus Totalis, Rohit Shahani, Adham Ahmed, Frank M Rosell, Alexander Iribarne

The Texas Heart Institute Journal

Dextrocardia with situs inversus totalis is a rare hereditary condition characterized by reversed orientation of the major thoracic and abdominal organs. Though dextrocardia itself is not believed to increase the risk of coronary artery disease, the workup and surgical management of patients with this condition may be technically challenging to heart team clinicians. This report describes the case management of a high-risk 56-year-old man with dextrocardia who presented with multivessel coronary artery disease.

Mitral Valve Regurgitation In Klippel-Feil Syndrome With Related Thoracic Deformity, Yuki Endo, Yoshiei Shimamura, Hiroshi Niinami

The Texas Heart Institute Journal

Klippel-Feil syndrome, characterized by congenital fusion of any 2 or more cervical vertebrae, is a rare disorder in which skeletal and other organ system-related abnormalities have been reported. This article reports a case of mitral valve regurgitation in a patient with Klippel-Feil syndrome and related thoracic deformity who underwent mitral valvuloplasty. Postoperatively, the mitral valve regurgitation disappeared, and there has been no recurrence for 3 years. This case highlights mitral valvuloplasty via median sternotomy as an excellent treatment for mitral valve regurgitation in a patient with thoracic deformity related to Klippel-Feil syndrome.

Does Serum Uric Acid To Creatinine Ratio Predict Mortality Risk In Patients With Heart Failure, Xiaoqing Xi, Jinfeng Cai, Chen Zhang, Xuefei Wang

The Texas Heart Institute Journal

BACKGROUND: Previous studies have established a positive correlation between serum uric acid to creatinine (SUA/Cr) ratio and cardiovascular disease, but the relationship between SUA/Cr ratio and the prognosis of heart failure (HF) remains unknown. This study investigated the potential of SUA/Cr ratio as a prognostic predictor for patients with HF.

METHODS: This single-center prospective cohort study enrolled 2,122 patients with HF between March 2013 and June 2017. All patients were divided into 3 groups according to SUA/Cr ratio tertiles and were followed up with until December 31, 2022. The association between SUA/Cr ratio and the prognosis of HF was assessed …

A Multi-Institutional Natural Language Processing Pipeline To Extract Performance Status From Electronic Health Records, Arash Maghsoudi, Yvonne H Sada, Sara Nowakowski, Danielle Guffey, Huili Zhu, Sudha R Yarlagadda, Ang Li, Javad Razjouyan

Faculty, Staff and Students Publications

PURPOSE: Performance status (PS), an essential indicator of patients' functional abilities, is often documented in clinical notes of patients with cancer. The use of natural language processing (NLP) in extracting PS from electronic medical records (EMRs) has shown promise in enhancing clinical decision-making, patient monitoring, and research studies. We designed and validated a multi-institute NLP pipeline to automatically extract performance status from free-text patient notes.

PATIENTS AND METHODS: We collected data from 19,481 patients in Harris Health System (HHS) and 333,862 patients from veteran affair's corporate data warehouse (VA-CDW) and randomly selected 400 patients from each data source to train …

A Case Report Navigating Cvid And Sarcoidosis Overlaps In Pediatric Nephritis, Amanda Salih, Amanda Brown, Amanda Grimes, Sana Hasan, Manuel Silva-Carmona, Leyat Tal, Joud Hajjar

Faculty, Staff and Students Publications

Common variable immunodeficiency (CVID) can be complicated by granulomatous disease, often granulomatous lymphocytic interstitial lung disease (GLILD). Granulomatous interstitial nephritis represents an atypical presentation in pediatrics. Our patient is a previously healthy 13-year-old white male with a recent diagnosis of CVID. He presented with a rash and laboratory findings included pancytopenia (white blood cells 2.6 cells × 103/μl, hemoglobin 11.8 g/dl, platelets 60 × 103/μl), hypercalcemia (14.9 mg/dl), elevated Vit D 1,25 OH level (>200 pg/ml), hyperuricemia (8.8 mg/dl), and acute kidney injury (AKI) (serum creatinine 1.1 mg/dl; baseline 0.64 mg/dl). A broad infectious workup was unremarkable. The rash …

Analyzing The Relationship Between Socioeconomic Deprivation And Outpatient Medicare Part D Fluoroquinolone Claim Rates In Texas, Mayar Al Mohajer, Edgar Samarasundera, Judite Gonçalves, Alicia Heath

Faculty, Staff and Students Publications

INTRODUCTION: Only a few studies have assessed the relationship between deprivation and excessive antibiotic use. In Texas, antimicrobial prescription rates are particularly high compared with the rest of the US. This study analyzed the association between local area socioeconomic deprivation and providers' fluoroquinolone claim rates among beneficiaries 65 years and older in Texas.

METHODS: This ecological study utilized provider- and area-level data from Medicare Part D Prescribers and the Social Deprivation Index (SDI) repositories. Negative binomial regression models were employed to evaluate the relationship between provider- and area-level characteristics (prescriber's gender, specialty, rural-urban community area, beneficiaries' demographics, area-level population, and …

Divergent Responses Of Human Intestinal Organoid Monolayers Using Commercial In Vitro Cytotoxicity Assays, Miranda A Lewis, Ketki Patil, Khalil Ettayebi, Mary K Estes, Robert L Atmar, Sasirekha Ramani

Faculty, Staff and Students Publications

In vitro models, such as primary cells and continuous cell lines routinely used for evaluating drug candidates, have limitations in their translational relevance to human diseases. Organotypic cultures are increasingly being used to assess therapeutics for various cancers and infectious diseases. Monitoring drug cytotoxicity in cell cultures is crucial in drug development, and several commercially available kits for cytotoxicity assessment offer distinct advantages and limitations. Given the complexity of organoid cultures, including donor-driven variability, we investigated drug-treated, tissue stem cell-derived human intestinal organoid responses with commonly used cell cytotoxicity assay kits. Using seven different compounds, we compared the cytotoxicity assay …

Parkinson's Disease And Other Alzheimer's Disease And Related Dementia Pathologies And The Progression Of Parkinsonism In Older Adults, Aron S Buchman, Lei Yu, Shahram Oveisgharan, Andrea R Zammit, Tianhao Wang, Joshua M Shulman, Veronique Vanderhorst, Sukrit Nag, David A Bennett

Faculty, Staff and Students Publications

BACKGROUND: The interrelationship of parkinsonism, Parkinson's disease (PD) and other Alzheimer's disease (AD) and Alzheimer's disease and related dementias (ADRD) pathologies is unclear.

OBJECTIVE: We examined the progression of parkinsonian signs in adults with and without parkinsonism, and their underlying brain pathologies.

METHODS: Annual parkinsonian signs were based on a modified Unified Parkinson's Disease Rating Scale. We used linear mixed effects models to compare the progression of parkinsonian signs in 3 groups categorized based on all available clinical evaluations: Group1 (never parkinsonism or clinical PD), Group2 (ever parkinsonism, but never clinical PD), Group3 (ever clinical PD). In decedents, we examined …

Relationship Between Clinical Measures Of Hearing And Clinical Measures Of Vestibular Function, Helen S Cohen, Haleh Sangi-Haghpeykar, J Connor Sullivan, Nathan Silver, Liam D Ferreira, Jen Li Dong, Alex D Sweeney, Angela S Peng

Faculty, Staff and Students Publications

PURPOSE: Patients often have basic audiometry (BA) but not objective diagnostic tests of the vestibular system (VNG) when complaining of symptoms of a vestibular disorder. The relationship of BA results to VNG results is unknown. This study sought to determine if BA scores are related to impaired VNG scores.

MATERIALS AND METHODS: We reviewed electronic medical records at a tertiary care center, for patients seen between 2015 and 2021 who had had both a BA and a VNG (n = 651). BA subtests were pure tone averages, word recognition, and tympanogram. VNG subtests were cervical vestibular evoked myogenic potentials, Dix-Hallpike …

Implementation Of A Pilot Quality Improvement Project To Guide The Administration Of Intraoperative Dexamethasone For Postoperative Nausea And Vomiting Prophylaxis In Patients With Diabetes Undergoing Orthopedic Procedures, Brittany W. Hall

Graduate Theses, Dissertations, and Problem Reports (ETD)

Background: At a local tertiary care hospital, there was no recommendation to guide anesthesia providers in the administration of intraoperative dexamethasone to patients with diabetes. While dexamethasone is a highly effective antiemetic, it may promote hyperglycemia in patients with diabetes.

Purpose: The purpose of this project was to guide and educate about current recommendations for the administration of dexamethasone for PONV prophylaxis in patients with diabetes.

Intervention: 1) Examined pre-intervention practices of dexamethasone administration. 2) Educated about current and best practices to anesthesia staff. 3) Developed badge buddy cards outlining the guideline. 4) Examined post-intervention practices. 5) Evaluated the effect …

Efektivitas Sacubitril/Valsartan Dalam Mencegah Gagal Jantung Pada Stemi Pasca Percutaneous Coronary Intervention, Nobian Andre, Lana Adila, Aulia Rizka, Lusiani Rusdi

Jurnal Penyakit Dalam Indonesia

Heart failure is a possible complication following ST-elevation myocardial infarction (STEMI) even after revascularization. Neuroendocrine activation in the process of ventricular remodeling can be regulated by angiotensin receptor-neprilysin inhibitor (ARNI) as well as angiotensin-converting enzyme (ACE) inhibitor. The use of ARNI in heart failure with reduced ejection fraction has been found to be superior to ACE inhibitor. The role of ARNI on cardiac function in STEMI has not been established. A clinician treating a patient with STEMI considered giving sacubitril/valsartan to reduce the risk of developing heart failure. Literature search was performed in three electronic databases: PubMed, Embase, and Cochrane. …

Kombinasi Sofosbuvir-Ledipasvir Dan Sofosbuvir- Daclatasvir Pada Pengobatan Pasien Hepatitis C Di Indonesia, Andri Sanityoso Sulaiman Dr, Irsan Hasan Dr, Cosmas Rinaldi Adithya Lesmana Dr, Juferdy Kurniawan Dr, Gita Aprilicia, Yayah Nugroho Dr, Nunuk Tri Wahyuni Dr, Budiman Sujatmika Sulaiman

Jurnal Penyakit Dalam Indonesia

Introduction. Direct-acting antivirals (DAAs) has been developed for treatment hepatitis C virus (HCV). Therapy of HCV using DAA has shown high sustained virologic response (SVR) and shortening duration of therapy. Sofosbuvir-ledipasvir (SOF/LDV) is fixed dose combination tablet of DAAs which recommended for genotype 1, 4, 5, and 6 infected patients. In developing countries, SOF/LDV still can be used as cost-effective regimen in all genotype compared with sofosbuvir-daclatasvir (SOF/ DCV). This study aimed to evaluate the efficacy of combination sofosbuvir-ledipasvir in all genotypes of HCV patients compared with available DAA in Indonesia (sofosbuvir- daclatasvir).

Methods. A retrospective study was …

Fungal Empyema Thoracis, A Rare But An Emerging Entity: A Retrospective Case Series From Pakistan, Nousheen Iqbal, Akbar Shoukat Ali, Aqusa Zahid, Kauser Jabeen, Muhammad Irfan

Section of Pulmonary & Critical Care

Background and objective: Fungal empyema is a rare entity which is associated with high mortality. It is mostly seen in immune-compromised hosts. However, there is limited data available on fungal empyema from developing countries regarding risk factors, treatment, and outcome. This study was conducted to determine the risk factors, clinical features, treatment, and outcome of fungal empyema.
Methods: A retrospective observational study was performed on proven fungal empyema cases, admitted at Aga Khan University Hospital, Karachi, Pakistan during January 2018 to May 2021. We excluded all those patients with polymicrobial bacterial and fungal empyema or with negative pleural fluid cultures. …

Genetic Inactivation Of Β-Catenin Is Salubrious, Whereas Its Activation Is Deleterious In Desmoplakin Cardiomyopathy, Melis Olcum, Siyang Fan, Leila Rouhi, Sirisha Cheedipudi, Benjamin Cathcart, Hyun-Hwan Jeong, Zhongming Zhao, Priyatansh Gurha, Ali J Marian

Faculty, Staff and Student Publications

AIMS: Mutations in the DSP gene encoding desmoplakin, a constituent of the desmosomes at the intercalated discs (IDs), cause a phenotype that spans arrhythmogenic cardiomyopathy (ACM) and dilated cardiomyopathy. It is typically characterized by biventricular enlargement and dysfunction, myocardial fibrosis, cell death, and arrhythmias. The canonical wingless-related integration (cWNT)/β-catenin pathway is implicated in the pathogenesis of ACM. The β-catenin is an indispensable co-transcriptional regulator of the cWNT pathway and a member of the IDs. We genetically inactivated or activated β-catenin to determine its role in the pathogenesis of desmoplakin cardiomyopathy.

METHODS AND RESULTS: The Dsp gene was conditionally deleted in …

Item Generation In The Development Of A Questionnaire For Predicting Multidrug Therapy Compliance In Leprosy, Yulia Siskawati, Sali Rahadi Asih, Aria Kekalih, Sri Linuwih Menaldi, Herqutanto Herqutanto, Kusmarinah Bramono

Journal of General - Procedural Dermatology and Venereology Indonesia

Background: Lengthy therapeutic regimens in leprosy are prone to defaults, contributing to more antibiotic-resistant Mycobacterium. Intervening patients’ medical habits midway would be more complicated than understanding their perception of undergoing such regimens in advance. We study the factors considered relevant to leprosy patients’ compliance to construct a novel self-reporting questionnaire that can predict the patients’ adherence before initiating multidrug therapy.

Methods: According to the Delphi methods, we conducted three rounds of interviews with twenty-three respondents from various backgrounds, including dermatologists, government officials, healthcare workers, and patients with leprosy, to infer the associated factors of the included items. Each …

Mir-142: A Master Regulator In Hematological Malignancies And Therapeutic Opportunities, Wilson Huang, Doru Paul, George A Calin, Recep Bayraktar

Faculty, Staff and Student Publications

MicroRNAs (miRNAs) are a type of non-coding RNA whose dysregulation is frequently associated with the onset and progression of human cancers. miR-142, an ultra-conserved miRNA with both active -3p and -5p mature strands and wide-ranging physiological targets, has been the subject of countless studies over the years. Due to its preferential expression in hematopoietic cells, miR-142 has been found to be associated with numerous types of lymphomas and leukemias. This review elucidates the multifaceted role of miR-142 in human physiology, its influence on hematopoiesis and hematopoietic cells, and its intriguing involvement in exosome-mediated miR-142 transport. Moreover, we offer a comprehensive …

Predictive Metabolites For Incident Myocardial Infarction: A Two-Step Meta-Analysis Of Individual Patient Data From Six Cohorts Comprising 7897 Individuals From The Consortium Of Metabolomics Studies, Ana Nogal, Taryn Alkis, Yura Lee, Domagoj Kifer, Jie Hu, Rachel A Murphy, Zhe Huang, Rui Wang-Sattler, Gabi Kastenmüler, Birgit Linkohr, Clara Barrios, Marta Crespo, Christian Gieger, Annette Peters, Jackie Price, Kathryn M Rexrode, Bing Yu, Cristina Menni

Faculty, Staff and Student Publications

AIMS: Myocardial infarction (MI) is a major cause of death and disability worldwide. Most metabolomics studies investigating metabolites predicting MI are limited by the participant number and/or the demographic diversity. We sought to identify biomarkers of incident MI in the COnsortium of METabolomics Studies.

METHODS AND RESULTS: We included 7897 individuals aged on average 66 years from six intercontinental cohorts with blood metabolomic profiling (n = 1428 metabolites, of which 168 were present in at least three cohorts with over 80% prevalence) and MI information (1373 cases). We performed a two-stage individual patient data meta-analysis. We first assessed the associations …

Altered Outer Retinal Structure, Electrophysiology And Visual Perception In Parkinson's Disease, Katie K N Tran, Pei Ying Lee, David I Finkelstein, Allison M Mckendrick, Bao N Nguyen, Bang V Bui, Christine T O Nguyen

Faculty, Staff and Student Publications

BACKGROUND: Visual biomarkers of Parkinson's disease (PD) are attractive as the retina is an outpouching of the brain. Although inner retinal neurodegeneration in PD is well-established this has overlap with other neurodegenerative diseases and thus outer retinal (photoreceptor) measures warrant further investigation.

OBJECTIVE: To examine in a cross-sectional study whether clinically implementable measures targeting outer retinal function and structure can differentiate PD from healthy ageing and whether these are sensitive to intraday levodopa (L-DOPA) dosing.

METHODS: Centre-surround perceptual contrast suppression, macular visual field sensitivity, colour discrimination, light-adapted electroretinography and optical coherence tomography (OCT) were tested in PD participants (n = …

Significance Of Chronic Kidney Disease On Morbidity And Mortality In Hospitalized Patients With Covid-19, Varsha Suresh, Alexis Finer, Aarushi Varshney, Kay Thi Khine, Ishak Mansi, Abdo Asmar

HCA Healthcare Journal of Medicine

Background

Patients with comorbid illnesses are at risk for worse outcomes with a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2; COVID-19). Our research examined patients with chronic kidney disease (CKD) to establish whether it remains an independent risk factor for mortality and morbidity in patients with COVID-19.

Methods

We conducted a retrospective cohort study using an electronic patient database in 2020. An observational dataset from 149 hospitals comprising a United States-based health system (HCA Healthcare) was analyzed. Hospitalized patients (N=11 086), aged 18 and above, with a COVID-19 polymerase chain reaction positive result between January 1, 2020, and September 1, …

Factors Influencing Ulcer Healing In Chronic Limb Threatening Ischemia Patients After Endovascular Angioplasty At Cipto Mangunkusumo General Hospital, Raden Suhartono, Ghany H. Wijaya, Akhmadu Muradi

The New Ropanasuri Journal of Surgery

Introduction. Chronic limb–threatening ischemia (CLTI) can cause rest pain in the lower extremities and the formation of ulcers or gangrene. Revascularization, which can be done using open surgery or endovascular procedures, is the first line of treatment in CLTI management. CLTI patients at CMGH usually came with advanced conditions and high re–amputation rates even after revascularization. This study aimed to determine factors associated with the outcome of endovascular angioplasty, especially ulcer healing.

Method. A cross–sectional study was conducted at CMGH, enrolling CLTI patients with Rutherford grades 5 and 6 who underwent angioplasty. Age, gender, history of smoking, hypertension, atrial fibrillation, …