Digital Commons Network^™

Baseline Α-Synuclein Seeding Activity And Disease Progression In Sporadic And Genetic Parkinson’S Disease In The Ppmi Cohort, Jackson G Schumacher, Xinyuan Zhang, Eric A Macklin, Jian Wang, Armin Bayati, Johannes M Dijkstra, Hirohisa Watanabe, Michael A Schwarzschild, Marianna Cortese, Xuehong Zhang, Xiqun Chen

Faculty, Staff and Student Publications

Background: α-Synuclein (α-syn) seed amplification assays (SAAs) have shown remarkable potential in diagnosing Parkinson's disease (PD). Using data from the Parkinson's Progression Markers Initiative (PPMI) cohort, we aimed to test whether baseline α-syn seeding activity and α-syn SAA kinetic parameters are associated with disease progression in sporadic PD, LRRK2-associated PD (LRRK2 PD), and GBA-associated PD (GBA PD).

Methods: We analysed 7 years of motor, non-motor, and cognitive assessments and 5 years of dopamine transporter imaging along with baseline α-syn SAA results from 564 PPMI participants (n = 332 sporadic PD, 162 LRRK2 PD, and 70 GBA PD) using linear mixed-effects …

Author Correction: Ppp2r1a Mutations Portend Improved Survival After Cancer Immunotherapy, Yibo Dai, Anne Knisely, Mitsutake Yano, Minghao Dang, Emily M Hinchcliff, Sanghoon Lee, Annalyn Welp, Manoj Chelvanambi, Matthew Lastrapes, Heng Liu, Zhe Yuan, Chen Wang, Hao Nie, Stephanie Jean, Luis J Montaner, Jiakai Hou, Ami Patel, Shrina Patel, Bryan Fellman, Ying Yuan, Baohua Sun, Renganayaki Krishna Pandurengan, Edwin Roger Parra Cuentas, Joseph Celestino, Yan Liu, Jinsong Liu, R Tyler Hillman, Shannon N Westin, Anil K Sood, Pamela T Soliman, Aaron Shafer, Larissa A Meyer, David M Gershenson, David Vining, Dhakshinamoorthy Ganeshan, Karen Lu, Jennifer A Wargo, Weiyi Peng, Rugang Zhang, Linghua Wang, Amir A Jazaeri

Faculty, Staff and Student Publications

No abstract provided.

Mechanisms Underlying Treatment-Resistant Depression: Exploring Sex-Based Biological Differences, Francisco E R Da Silva, Atakan Yucel, Antonio P M Menezes, Ana C Ruiz, Marcela C Carbajal Tamez, Tatiana Barichello, Giselli Scaini, Joao Quevedo

Faculty, Staff and Student Publications

Treatment-resistant depression (TRD) represents a severe and complex subtype of major depressive disorder (MDD), affecting approximately 30% of patients who fail to respond adequately to multiple standard antidepressant therapies. While the pathophysiology of TRD remains incompletely understood, emerging evidence suggests that sex-based biological differences might influence its onset, progression, and treatment response. Women are disproportionately affected by depression and are more likely to experience residual symptoms and treatment resistance, potentially due to hormonal fluctuations, immune system differences, and variations in brain circuitry and neuroplasticity. This narrative explores the current literature on the mechanisms underlying TRD, with a particular emphasis on …

Lifecycles Of Cochrane Systematic Reviews (2003-2024): A Bibliographic Study, Shiyin Li, Chong Wu, Zichen Zhang, Mengli Xiao, Mohammad Hassan Murad, Lifeng Lin

Faculty, Staff and Student Publications

Background and objectives: The relevance of Cochrane systematic reviews depends on timely completion and updates. This study aimed to empirically assess the lifecycles of Cochrane reviews published from 2003 to 2024, including transitions from protocol to review, update patterns, and withdrawals.

Methods: We extracted data from Cochrane Library publications between 2003 and 2024. Each review topic was identified using a unique six-digit DOI-based ID. We recorded protocol publication, review publication, updates, and withdrawals (i.e., removed from the Cochrane Library for editorial or procedural reasons), calculating time intervals between stages and conducting subgroup analyses by review type.

Results: Of 8137 protocols, …

Circulating Fibroblast Growth Factor 21 And Growth Differentiation Factor 15 Are Associated With Severity Of Hepatic Steatosis In People With Hiv, Paula Debroy, F Pike, S Gawrieh, K E Corey, S Hartig, A Balasubramanyam, K Ailstock, N Funderburg, J E Lake

Faculty, Staff and Students Publications

BACKGROUND: Hepatic steatosis poses a significant health burden in people with HIV. Fibroblast growth factor 21 (FGF21) production from the liver regulates glucose metabolism. Higher serum levels of FGF21 are associated with hepatic steatosis and liver fibrosis in the general population. Growth differentiation factor 15 (GDF15) secretion from the liver is also upregulated in chronic inflammatory diseases and is associated with cardiovascular dysfunction in people with HIV. Here, we measured serum FGF21 and GDF15 concentrations in people with HIV and hepatic steatosis.

METHODS: A total of 177 people with HIV with no other known cause of liver disease underwent vibration-controlled …

Commentary On Witnessing Abusive Head Trauma: Accidents Show Higher Rates Of Intracranial Pathologies Than Shaking-Caution Is Warranted., Christopher Greeley, James Anderst

Manuscripts, Articles, Book Chapters and Other Papers

Response to Comment on Witnessing Abusive Head Trauma: Accidents Show Higher Rates of Intracranial Pathologies Than Shaking

• Chris B. Brook

• Volume 3Issue 3Annals of the Child Neurology Society
• pages: 255-256
• First Published online: August 4, 2025

Eular/Acr Classification Criteria For Paediatric Chronic Nonbacterial Osteomyelitis (Cno)., Yongdong Zhao, Melissa S. Oliver, Anja Schnabel, Eveline Y. Wu, Zhaoyi Wang, Achille Marino, Cassyanne L. Aguiar, Jonathan D. Akikusa, Ummusen Kaya Akca, Beverley Almeida, Simone Appenzeller, Erin Balay-Dustrude, Ozge Basaran, Matthew L. Basiaga, Yelda Bilginer, David A. Cabral, Martina Capponi, Nathan Donaldson, Bugra Han Egeli, Emily Fox, Antonella Insalaco, Ramesh S. Iyer, Annette F. Jansson, Inna Kostik, Mikhail Kostik, Leonard K. Kovalick, Katia Tomie Kozu, Sivia K. Lapidus, Tzielan C. Lee, Aleksander Lenert, Kamran Mahmood, Edoardo Marrani, Doaa Mosad Mosa, Ian Muse, Alexander Mushkin, Katherine D. Nowicki, Farzana Nuruzzaman, Karen Onel, Manuela Pardeo, Trang Sophia Pham, Lauren Potts, Athimalaipet V. Ramanan, Angelo Ravelli, Nathan D. Rogers, Andrew W. Grim, Micol Romano, Natalie Rosenwasser, Takashi Shawn Sato, Gabriele Simonini, Jennifer B. Soep, Sara M. Stern, Timmy Strauss, Angela Taneja Kohli, Alexander C. Theos, Lori B. Tucker, Leslie F. Vogel, Shima Yasin, Stephen C. Wong, Katerina Bouchalova, Alison M. Hendry, Kevin C. Cain, Hermann J. Girschick, Fatma Dedeoglu, Christian M. Hedrich, Ronald M. Laxer, Polly J. Ferguson, Raymond Naden, Seza Ozen

Manuscripts, Articles, Book Chapters and Other Papers

OBJECTIVES: To develop and validate classification criteria for paediatric chronic nonbacterial osteomyelitis (CNO) jointly supported by the European Alliance of Associations for Rheumatology (EULAR) and the American College of Rheumatology (ACR).

METHODS: This international initiative had 4 phases: (1) candidate items were proposed in a survey of paediatric rheumatologists, (2) criteria definition and reduction by Delphi and nominal group technique exercises, (3) criteria weighting using multicriteria decision analysis, and (4) refinement of weights and threshold score in a development cohort of 441 patients and validation in another cohort of 514 patients.

RESULTS: The new EULAR/ACR classification criteria for CNO require …

Contemporary Characteristics And Outcomes Of Pediatric Oncology Patients Participating In Early Phase Clinical Trials., Avina Rami, Kira Bona, Suzanne Shusterman, Karen Wright, Andrew E. Place, Puja J. Umaretiya, Ketki Bhushan, Steven G. Dubois, Kevin Campbell

Manuscripts, Articles, Book Chapters and Other Papers

BACKGROUND: Phase 1 or phase 1/2 trials are a first step in pediatric cancer drug development. Currently, there is a paucity of information regarding contemporary outcomes for pediatric patients enrolled in these trials. We describe characteristics and outcomes of patients enrolled in pediatric phase 1 clinical trials over a 9-year period at a single institution.

METHODS: We queried our clinical trials management system to generate a list of patients enrolled and treated on pediatric phase 1 or phase 1/2 trials from 2011 to 2019. We collected baseline demographics, clinical data, efficacy, and safety endpoints post-enrollment including: time to death, objective …

Changes In Child Placement After Child Abuse Pediatrics Consultation For Suspected Physical Abuse., Kristine A. Campbell, Antoinette L. Laskey, Daniel M. Lindberg, M Katherine Henry, Porcia Vaughn, James Anderst, Megan M. Letson, Angela N. Bachim, Nancy S. Harper, Carmen M. Coombs, Lori D. Frasier, Joanne N. Wood

Manuscripts, Articles, Book Chapters and Other Papers

BACKGROUND: The association between child abuse pediatric (CAP) assessments and child welfare outcomes is unknown.

OBJECTIVE: To determine the association between a CAP determination of the likelihood of physical abuse and change in child placement. We hypothesized that child race would be associated with CAP determination of abuse likelihood and child welfare outcomes.

PARTICIPANTS AND SETTING: Children under age ten years with in-person CAP consultation and referral to child protective services for suspected physical abuse at a U.S. pediatric referral center participating in CAPNET, a CAP research network, from 02/2021 to 01/2023.

METHODS: We created a series of generalized estimating …

Association Between Chd And Cerebral Abscess: Insights From A National Database., Keats Ewing, Rohit Seath Loomba, Saul Flores, Enrique G. Villarreal, Juan S. Farias, Matthew Taylor Coghill

Manuscripts, Articles, Book Chapters and Other Papers

CHD has been historically associated with the development of cerebral abscess. This retrospective cohort study examines the association of CHD with the occurrence of cerebral abscess in an inpatient paediatric population. We analysed data from the Pediatric Health Information System database, an administrative database that captures data from participating children's hospitals in the United States. We included all patients admitted to participating paediatric ICUs between 2016 and 2021 for a total of 426,029 admissions. Including all admissions, 1,387 (0.3%) patients experienced a cerebral abscess, and of 80,927 (19%) patients with CHD, only 88 (0.1%) experienced a cerebral abscess (odds ratio …

"My Child Needs A Chance And A Choice To Talk About Their Pain": Parents' Experiences And Perspectives Of Pain Communication In Paediatric Rheumatology., Rebecca R. Lee, Jade Edwards, Danielle C. Mountain, Janet E. Mcdonagh, Mark Connelly, Tonya Palermo, Sarah Peters

Manuscripts, Articles, Book Chapters and Other Papers

OBJECTIVE: To investigate parents' experiences and perspectives about pain communication with healthcare professionals in paediatric rheumatology.

METHODS: Data were collected using semi-structured telephone interviews with parents of children/adolescents recruited from three UK tertiary paediatric rheumatology centres. A framework analysis was used to characterise parents' experiences and perspectives.

RESULTS: Eighteen parents participated. Their children had a median age of 13 years (SD= 3.16 years, Range= 6-16 years, 55 % male), with diagnoses of chronic primary pain (e.g. Ehlers Danlos syndrome/Hypermobility) and chronic secondary pain (e.g. Juvenile Idiopathic Arthritis). Data were organised into four themes: 1) Parents' active role in pain communication, …

Enhancing Patient Outcomes: Developing A Comprehensive Database For Tracking Post- Dural Puncture Headache Incidence And Contributing Factors, Meredith B. Auge, Brittany Bogonovich

Doctor of Nurse Anesthesia Practice (DNAP) Manuscripts

Post-dural puncture headache (PDPH) is a debilitating complication following labor analgesia, often resulting from unintentional dural puncture (UDP). While national incidence is approximately 1.5%, institutional rates may vary due to provider experience, documentation practices, and patient factors. This Doctor of Nurse Anesthesia Practice (DNAP) quality improvement project aimed to improve identification and monitoring of UDP and PDPH through a revised tracking tool, retrospective review of 2024 data, and planning for an electronic registry. A multidisciplinary team of anesthesiologists, Certified Registered Nurse Anesthetists (CRNAs), Student Registered Nurse Anesthetists (SRNAs), and IT and quality specialists revised an existing tracking tool to better …

"Improved Obstetric Hemorrhage Care Through Toolkit Revision: A Quality Improvement Project", Amber M. Woodring, Samantha Kalkstein

Doctor of Nurse Anesthesia Practice (DNAP) Manuscripts

Obstetric hemorrhage (OBH) remains a leading cause of preventable maternal morbidity and mortality in the United States. Accurate risk identification is critical for initiating timely interventions; however, current risk assessment practices vary significantly. This quality improvement (QI) project aimed to implement the California Maternal Quality Care Collaborative (CMQCC) OBH Risk Assessment Tool on the labor and delivery (L&D) unit of a community-based hospital to standardize risk stratification and improve interdisciplinary communication. Guided by the Johns Hopkins Nursing Evidence-Based Practice model, the project involved a gap analysis, staff education, and the introduction of a paper-based CMQCC tool formatted for visibility and …

Utilizing Simulation Training To Understand Maternal Cardiac Arrest Precipitated By Amniotic Fluid Embolism: A Quality Improvement Project, Erica L. Wright, Megan L. Tiernan, Michael W. Neft, Paige Spagiare, Erica Coffin

Doctor of Nurse Anesthesia Practice (DNAP) Manuscripts

Background and Problem: Maternal cardiac arrest precipitated by amniotic fluid embolism is among the leading direct causes of death among laboring women (Enomoto et al., 2022). Because it presents suddenly without any immediate apparent cause and lacks specific diagnostic tests, frontline obstetric caregivers must be vigilant, competent, and prepared to handle this potentially catastrophic emergency. Coordination among multiple disciplines is paramount since two lives, not just one, are at risk. Unfortunately, the rarity of maternal cardiac arrest significantly limits opportunities for staff to learn how to identify and manage these events successfully. Method: This quality improvement project established a simulation-based …

Expression Graph Network Framework For Biomarker Discovery, Yang Liu, Jason Huse, Kasthuri Kannan

Faculty, Staff and Student Publications

Biomarker discovery for complex diseases, such as cancer, hinges on uncovering molecular signatures that capture intricate, interconnected relationships within biological data-a challenge that traditional statistical and machine learning methods often fail to meet due to the complexity of high-dimensional gene expression profiles. To overcome this, we introduce the expression graph network framework (EGNF). This cutting-edge graph-based approach integrates graph neural networks with network-based feature engineering to enhance the predictive identification of biomarkers. EGNF constructs biologically informed networks by combining gene expression data and clinical attributes within a graph database, utilizing hierarchical clustering to generate dynamic, patient-specific representations of molecular interactions. …

Biomarkers For The Diagnosis Of Indeterminate Pulmonary Nodules: Are We There Yet?, Kevin C Mcgann, Timothy A Khalil, Michael N Kammer, Edwin J Ostrin, Harvey I Pass, Jun-Chieh James Tsay, Leopoldo N Segal, Melissa Potter, Stephen A Deppen, Fabien Maldonado, Eric L Grogan

Faculty, Staff and Student Publications

Indeterminate pulmonary nodules (IPNs), which are nodules that cannot be classified as definitively benign or malignant at the time of detection, are now diagnosed on the order of millions per year. Management of IPNs remains heavily debated, and routine practice ultimately involves some balance of overall clinical risk assessment and additional diagnostic tests or procedures which may generate significant risk, cost, and worry. Biomarkers are biologically based tests or indicators capable of accurately characterizing the physiologic properties of homeostasis and disease that are not otherwise easily evaluated by the clinician. Accurate biomarkers thereby serve as reliable surrogates for biological aberrancy, …

Auprc: A Metric For Evaluating The Performance Of In-Silico Perturbation Methods In Identifying Differentially Expressed Genes, Hongxu Zhu, Amir Asiaee, Leila Azinfar, Jun Li, Han Liang, Ehsan Irajizad, Kim-Anh Do, James P Long

Faculty, Staff and Student Publications

In silico perturbation models, computational methods that can predict cellular responses to perturbations, present an opportunity to reduce the need for costly and time-intensive in vitro experiments. Many recently proposed models predict high-dimensional cellular responses, such as gene or protein expression to perturbations such as gene knockout or drugs. However, evaluating in silico performance has largely relied on metrics such as $R^{2}$, which assess overall prediction accuracy but fail to capture biologically significant outcomes like the identification of differentially expressed (DE) genes. In this study, we present a novel evaluation framework that introduces the AUPRC metric to assess the precision …

Can Artificial Intelligence Models Provide Reliable Medical Counselling To Fertility Patients?, Idan Alcalay, Ariel Weissman, Hadas Ganer Herman, Avi Tsafrir, Matan Friedman, Eran Weiner, Raoul Orvieto, Nikolaos P. Polyzos, Michael H. Dahan, Alex Polyakov, Robert Fischer, Sandro C. Esteves, Baris Ata, Jason M. Franasiak, Yossi Mizrachi

Department of Obstetrics and Gynecology Faculty Papers

RESEARCH QUESTION: Can generative artificial intelligence (AI) models provide reliable counselling to fertility patients regarding real-world clinical questions?

DESIGN: In this cross-sectional study, 12 clinical questions were developed to reflect common, real-life dilemmas encountered during fertility workup and treatment. Responses to each question were generated by two experienced fertility specialists, and two AI models - ChatGPT and Gemini. Eight leading internationally recognized fertility experts, blinded to the source of each reply, independently rated all the responses on a scale from 1 (strongly disagree) to 10 (strongly agree). Ratings were compared across all four repliers using non-parametric statistical tests.

RESULTS: The …

Whole-Genome Sequence-Based Association Analysis Of African American Individuals With Bipolar Disorder And Schizophrenia, Runjia Li, Sarah A Gagliano Taliun, Kevin Liao, Matthew Flickinger, Janet L Sobell, Giulio Genovese, Adam E Locke, Rebeca Rothwell Chiu, Jonathon Lefaive, Jiongming Wang, Taylor Martins, Sinéad Chapman, Anna Neumann, Robert E Handsaker, Donna K Arnett, Kathleen C Barnes, Eric Boerwinkle, David Braff, Brian E Cade, Myriam Fornage, Richard A Gibbs, Karin F Hoth, Lifang Hou, Charles Kooperberg, Ruth J F Loos, Ginger A Metcalf, Courtney G Montgomery, Alanna C Morrison, Zhaohui S Qin, Susan Redline, Alexander P Reiner, Stephen S Rich, Jerome I Rotter, Kent D Taylor, Karine A Viaud-Martinez, Tim B Bigdeli, Stacey Gabriel, Sebastian Zollner, Albert V Smith, Goncalo Abecasis, Steve A Mccarroll, Michele T Pato, Carlos N Pato, Michael Boehnke, James Knowles, Hyun Min Kang, Roel A Ophoff, Jason Ernst, Laura J Scott

Faculty, Staff and Student Publications

In studies of individuals of primarily European genetic ancestry, common and low-frequency variants and rare coding variants have been found to be associated with the risk of bipolar disorder (BD) and schizophrenia (SZ). However, less is known for individuals of other genetic ancestries or the role of rare non-coding variants in BD and SZ risk. We performed whole-genome sequencing (∼27X) of African American individuals: 1,598 with BD, 3,295 with SZ, and 2,651 unaffected controls (InPSYght study). We increased power by incorporating 14,812 jointly called psychiatrically unscreened ancestry-matched controls from the Trans-Omics for Precision Medicine (TOPMed) Program for a total of …

Longitudinal Meta-Cohort Study Protocol Using Systems Biology To Identify Vaccine Safety Biomarkers, Joann Diray-Arce, Ana C Chang, Sara Moradipoor, Donato Amodio, Bruce Carleton, Wan-Chun Chang, Nigel W Crawford, Meagan Karoly, Annmarie Hoch, Kerry Mcenaney, Tahir S Kafil, Mahitha Donthireddy, Sarah K Steltz, Simon D Van Haren, Asimenia Angelidou, Kinga K Smolen, Hanno Steen, Jessica Lasky-Su, Huyen Tran, Peter Liu, C Buddy Creech, Clare L Cutland, Helen Petousis-Harris, Ishac Nazy, Rae S M Yeung, Sonali Kochhar, Steve Black, Nicholas Wood, Dale Nordenberg, Paolo Palma, Inna G Ovsyannikova, Richard B Kennedy, Gregory A Poland, Al Ozonoff, Robert T Chen, Ofer Levy, Karina A Top, International Network Of Special Immunization Services (Insis) Members

Faculty, Staff and Students Publications

The International Network of Special Immunization Services (INSIS) was established to investigate the causes and risk factors of rare adverse events following immunizations (AEFIs) and develop immunization strategies for mitigating or preventing risk for individuals with prior AEFIs or at risk of AEFIs. INSIS integrates clinical data with multi-omic technologies (e.g., transcriptomics, proteomics, metabolomics) through a global consortium of clinical networks, leading immunology, pharmacogenomics teams to uncover the molecular mechanisms behind AEFIs. The network ensures accurate and standardized data collection and analysis through rigorous data management and quality assurance processes. INSIS also implements harmonized case definitions and protocols for collecting …

Whole-Genome Sequence-Based Association Analysis Of African American Individuals With Bipolar Disorder And Schizophrenia, Runjia Li, Sarah A Gagliano Taliun, Kevin Liao, Matthew Flickinger, Janet L Sobell, Giulio Genovese, Adam E Locke, Rebeca Rothwell Chiu, Jonathon Lefaive, Jiongming Wang, Taylor Martins, Sinéad Chapman, Anna Neumann, Robert E Handsaker, Donna K Arnett, Kathleen C Barnes, Eric Boerwinkle, David Braff, Brian E Cade, Myriam Fornage, Richard A Gibbs, Karin F Hoth, Lifang Hou, Charles Kooperberg, Ruth J F Loos, Ginger A Metcalf, Courtney G Montgomery, Alanna C Morrison, Zhaohui S Qin, Susan Redline, Alexander P Reiner, Stephen S Rich, Jerome I Rotter, Kent D Taylor, Karine A Viaud-Martinez, National Heart, Lung, And Blood Institute Trans-Omics For Precision Medicine (Topmed) Consortium;, Genomic Psychiatry Cohort Investigators, Tim B Bigdeli, Stacey Gabriel, Sebastian Zollner, Albert V Smith, Goncalo Abecasis, Steve A Mccarroll, Michele T Pato, Carlos N Pato, Michael Boehnke, James Knowles, Hyun Min Kang, Roel A Ophoff, Jason Ernst, Laura J Scott

Faculty, Staff and Students Publications

In studies of individuals of primarily European genetic ancestry, common and low-frequency variants and rare coding variants have been found to be associated with the risk of bipolar disorder (BD) and schizophrenia (SZ). However, less is known for individuals of other genetic ancestries or the role of rare non-coding variants in BD and SZ risk. We performed whole-genome sequencing (∼27X) of African American individuals: 1,598 with BD, 3,295 with SZ, and 2,651 unaffected controls (InPSYght study). We increased power by incorporating 14,812 jointly called psychiatrically unscreened ancestry-matched controls from the Trans-Omics for Precision Medicine (TOPMed) Program for a total of …

Cross-Platform Transcriptomic Data Integration Identifies An Overactive Neuro-Immune Signature In Human Osteoarthritis Synovium, Michael D Newton, Hannah Swahn, Dana E Orange, Joseph B Lesnak, Theodore J Price, Anne-Marie Malfait, Rachel E Miller, Martin K Lotz, Tristan Maerz

Faculty, Staff and Student Publications

Objective: Chronic synovitis is associated with osteoarthritis (OA) pain, but the molecular underpinnings remain unclear. Our objective was to characterize the transcriptional phenotype of OA synovium with a focus on signaling relevant to pain.

Design: Eight publicly-available microarray and RNA-sequencing GEO datasets from human non-OA and OA subjects underwent quality control and re-analysis for differentially-expressed genes (DEGs). Cross-platform statistical integration was performed via a weighted Z-test to combine detection power across datasets. Gene set enrichment, cell type enrichment, and regulon analyses were performed. Human single-cell RNA sequencing data was used to map gene expression to cell types. Ligand-receptor interactions were …

Deciphering Transcriptomic Changes In Chemobrain: A Comprehensive Review, Tusar Kanta Acharya, Yuan Pan, Peter M Grace, Cobi J Heijnen, Rajasekaran Mahalingam

Faculty, Staff and Student Publications

Chemotherapy-induced cognitive impairments (CICI), colloquially known as "chemobrain," represents a profound and debilitating side effect experienced by a significant number of cancer survivors, impacting their memory, multitasking, and quality of life. This review critically evaluates the molecular mechanisms underlying CICI, with a particular focus on the insights gained from transcriptomic analyses. As cancer incidence rises globally, understanding the complex interplay between chemotherapy agents and their cognitive repercussions becomes increasingly vital. Key mechanisms implicated in CICI include blood-brain barrier disruption, neuroinflammation, and oxidative stress as a result of various chemotherapy treatments, such as doxorubicin, cisplatin, and paclitaxel. We delve into advanced …

Multi-Center Survey Of Medicine Residents And Self-Assessment On Cardiac Complications In Obstetric Patients, Kevyn Niu, Christie A. Tran, Robert J. Subbiondo Md, Olubenga Oyesanmi

HCA Healthcare Journal of Medicine

Background

Internal medicine (IM) residents receive significant cardiology training, and previous surveys have evaluated IM resident competency on obstetric (OB)-related subjects. However, there is minimal literature on self-reported competence of cardiac-specific complications in OB patients. Our study assessed self-reported comfort and competency regarding cardiovascular complications in OB patients with medical residents across several specialties.

Methods

We surveyed 207 residents across 3 specialties and 3 teaching hospitals on 10 questions regarding their self-reported confidence in managing cardiovascular complications in OB patients, including practice setting, specific cardiac issues, and stages of labor. We received 42 responses. Results were obtained using Google Sheets …

Nondominant Right Coronary Artery Occlusion Leading To An Anterior St-Segment Elevation Myocardial Infarction, Taha Ahmed, Taylor Wood, Austin Harris, Rajan Desai, Garima Handa, Naoki Misumida, Amartya Kundu

HCA Healthcare Journal of Medicine

Background

A nondominant right coronary artery supplies a small portion of the myocardium. Albeit rare, an acute occlusion of a nondominant right coronary artery is believed to be inconsequential with minimal clinical relevance.

Case Presentation

We present a case of a middle-aged man who presented with chest pain and an electrocardiogram demonstrating anterior ST-segment elevation. An emergent coronary angiogram revealed acute thrombotic occlusion of the proximal nondominant right coronary artery with no significant obstructive atherosclerotic disease in the dominant left coronary circulation. Balloon angioplasty of the occluded vessel followed by implantation of a drug-eluting stent resulted in the resolution of …

Ovarian Dysgerminoma With Tubo-Ovarian Torsion In An 11-Year-Old Child: A Rare Occurrence But A Significant Differential Diagnosis In Acute Abdomen, Charu Chandra, Keeranmayee Mishra, Rahul Mangal, Chirag Doshi, Apurba Anshuman Mishra

HCA Healthcare Journal of Medicine

Background

Ovarian tumors are quite uncommon in the premenarchal age group, with the majority being functional cysts. Malignant tumors are unusual in this age group, making the diagnosis of ovarian malignancy in children quite challenging. Dysgerminoma is the most common malignant ovarian germ cell tumor in females. The clinical symptoms often include abdominal pain, distension, a palpable mass, reduced appetite, nausea, and vomiting.

Case Presentation

We discuss the case of an 11-year-old premenarchal girl who was brought to the emergency department with abdominal pain persisting for 3-4 days, which had intensified over the 24 hours before she arrived at the …

Brown Umbilical Nodule: A Case Of Primary Cutaneous Endometriosis, Richard G. Bindernagel Jr., Aleia Boccardi, Taylor C. Jindia, Parth Patel, Jaimie Bryan, Addie Walker, Summer Moon, Richard Miller

HCA Healthcare Journal of Medicine

Background

Endometriosis is a common condition in which endometrial glands and stroma are implanted outside the uterine cavity. Rarely, the skin can be involved.

Case Presentation

We describe a case of a 41-year-old woman who presented to the dermatology clinic complaining of a brown umbilical nodule with slight erythema. It was occasionally painful and hemorrhagic. She denied a history of endometriosis and abdominal surgeries. A shave biopsy of the nodule was consistent with a diagnosis of cutaneous endometriosis. The patient was referred to her gynecologist for further evaluation and treatment.

Conclusion

This unique case demonstrates primary cutaneous endometriosis in the …

Sevoflurane In Status Asthmaticus: A Case Report And Literature Review, Amelia L. Gurley, Thomas W. Church, Sana Hadyah, Brandon Abrajan, Julia Cheree Glavinic

HCA Healthcare Journal of Medicine

Background

Sevoflurane and other inhaled anesthetics are gradually entering provider awareness as rescue therapies for patients in refractory status asthmaticus. This paper documents a case report and a literature review involving the use of sevoflurane to treat status asthmaticus.

Case Presentation

A 27-year-old man presented to the emergency room in acute hypoxic respiratory failure due to status asthmaticus, refractory to multiple therapies and requiring intubation. He was successfully extubated following sevoflurane administration in the operating room, and his care was complicated by transient hypotension. A multidisciplinary effort was critical in ensuring successful and timely therapy.

Methods

We performed a literature …

Educational Point-Of-Care Ultrasound Discovers Adrenal Cortical Carcinoma, A Case Report: Clinical Implications And Review Of The Literature, Minh Q. Nguyen, Moshe Bengio, Vu H. Tran

HCA Healthcare Journal of Medicine

Introduction

Point-of-care ultrasound (POCUS) has become an indispensable tool for emergency physicians in assessing intra-abdominal pathology due to its real-time visualization, portability, and cost-effectiveness. While POCUS is not traditionally focused on adrenal gland assessment, incidental findings of adrenal masses during examinations have been reported. Our patient presented with a chronic obstructive pulmonary disease (COPD) exacerbation and was found to have a large adrenal mass, discovered incidentally, during thoracic ultrasound.

Case Presentation

This case report presents the discovery of an adrenal mass in a patient with respiratory distress due to a COPD exacerbation, emphasizing the importance of sonographers’ ability to identify …

A Complex Case Of A Large Fibroid Uterus Compressing The Inferior Vena Cava Causing Recurrent Deep Vein Thrombosis And Pulmonary Embolisms, Jessica Gil, Jessica Klingensmith, Lauren Hendrix, Patrick J. Stocker, Olugbenga Oyesanmi

HCA Healthcare Journal of Medicine

Background

Uterine fibroids have been found to increase the risk for venous thromboembolism. There have been other case reports linking large uterine fibroids, pulmonary embolisms, and deep vein thrombosis (DVT) together due to compression of blood vessels and increased venous stasis. This case report will discuss a case of a large fibroid uterus compressing the inferior vena cava causing a patient with few risk factors to have recurrent DVTs and pulmonary embolisms.

Case Presentation

The patient was a 35-year-old woman who presented with repeated unprovoked thrombosis episodes. The patient had a full workup after the first episode of DVT and …