Samantha Morrison

Journal Article J Heart Lung Transplant · September 2025 BACKGROUND: There is growing evidence that many patients undergoing lung transplantation report significant distress and low physical activity (PA), which might not improve despite lung transplantation and may be associated with worse clinical outcomes. Fe ... Full text Link to item Cite

Invasive surgical site infections after lung transplantation: contemporary risk factors and associated clinical outcomes.

Journal Article JHLT Open · August 2025 BACKGROUND: Invasive primary surgical site infections (IP-SSI) complicate lung transplant (LT) surgery. Identification of IP-SSI risk factors is critical to IP-SSI prevention. METHODS: This single-center retrospective cohort study of adult patients who und ... Full text Open Access Link to item Cite

Hypersensitivity Reactions to Fibrin Glue during Epidural Blood Patching.

Journal Article AJNR. American journal of neuroradiology · April 2025 Background and purposeFibrin glue is increasingly incorporated as a component in epidural blood patching (EBP) for the treatment of spinal CSF leaks. Hypersensitivity reactions are a potential complication of its use but are not well studied in th ... Full text Cite

Diagnostic Performance of Renal Contrast Excretion on Early-Phase CT Myelography in Spontaneous Intracranial Hypotension.

Journal Article AJNR Am J Neuroradiol · January 8, 2025 BACKGROUND AND PURPOSE: Early opacification of the renal collecting system during CT myelography (CTM) performed for the evaluation of spontaneous intracranial hypotension (SIH) has been demonstrated in prior studies. However, these investigations often in ... Full text Link to item Cite

Photon-Counting CT Effects on Sensitivity for Liver Lesion Detection: A Reader Study Using Virtual Imaging.

Journal Article Radiology · January 2025 Background Detection of hepatic metastases at CT is a daily task in radiology departments that influences medical and surgical treatment strategies for oncology patients. Purpose To compare simulated photon-counting CT (PCCT) with energy-integrating detect ... Full text Link to item Cite

Robust estimation of loss‐based measures of model performance under covariate shift

Journal Article Canadian Journal of Statistics · December 2024 AbstractWe present methods for estimating loss‐based measures of the performance of a prediction model in a target population that differs from the source population in which the model was developed, in settings where outco ... Full text Cite

Assessment of the Diagnostic Performance of a Commercially Available Artificial Intelligence Algorithm for Risk Stratification of Thyroid Nodules on Ultrasound.

Journal Article Thyroid · November 2024 Background: Thyroid nodules are challenging to accurately characterize on ultrasound (US), though the emergence of risk stratification systems and more recently artificial intelligence (AI) algorithms has improved nodule classification. The purpose of this ... Full text Link to item Cite

Survival analysis using deep learning with medical imaging.

Journal Article The international journal of biostatistics · May 2024 There is widespread interest in using deep learning to build prediction models for medical imaging data. These deep learning methods capture the local structure of the image and require no manual feature extraction. Despite the importance of modeling survi ... Full text Cite

Subventricular zone stem cell niche injury is associated with intestinal perforation in preterm infants and predicts future motor impairment.

Journal Article Cell Stem Cell · April 4, 2024 Brain injury is highly associated with preterm birth. Complications of prematurity, including spontaneous or necrotizing enterocolitis (NEC)-associated intestinal perforations, are linked to lifelong neurologic impairment, yet the mechanisms are poorly und ... Full text Link to item Cite

Validity of the Bern Score as a Surrogate Marker of Clinical Severity in Patients with Spontaneous Intracranial Hypotension.

Journal Article AJNR Am J Neuroradiol · September 2023 BACKGROUND AND PURPOSE: The Bern score is a quantitative scale characterizing brain MR imaging changes in spontaneous intracranial hypotension. Higher scores are associated with more abnormalities on brain MR imaging, raising the question of whether the sc ... Full text Link to item Cite

Ability of the respiratory ECMO survival prediction (RESP) score to predict survival for patients with COVID-19 ARDS and non-COVID-19 ARDS: a single-center retrospective study.

Journal Article J Intensive Care · September 1, 2023 The respiratory ECMO survival prediction (RESP) score is used to predict survival for patients managed with extracorporeal membrane oxygenation (ECMO), but its performance in patients with Coronavirus Disease 2019 (COVID-19) acute respiratory distress synd ... Full text Link to item Cite

U-Shaped Association Between Carboxyhemoglobin and Mortality in Patients With Acute Respiratory Distress Syndrome on Venovenous Extracorporeal Membrane Oxygenation.

Journal Article Crit Care Explor · August 2023 BACKGROUND: Carbon monoxide (CO) is an endogenous signaling molecule that activates cytoprotective programs implicated in the resolution of acute respiratory distress syndrome (ARDS) and survival of critical illness. Because CO levels can be measured in bl ... Full text Link to item Cite

Racial Disparities in Lung Cancer Screening Among Veterans, 2013 to 2021.

Journal Article JAMA Netw Open · June 1, 2023 IMPORTANCE: Racial disparities in lung cancer screening (LCS) are often ascribed to barriers such as cost, insurance status, access to care, and transportation. Because these barriers are minimized within the Veterans Affairs system, there is a question of ... Full text Link to item Cite

Whole-Slide Cytometric Feature Mapping for Distinguishing Tumor Genomic Subtypes in Head and Neck Squamous Cell Carcinoma Whole-Slide Images.

Journal Article Am J Pathol · February 2023 Head and neck squamous cell carcinoma (HNSCC) is a heterogeneous disease where, in advanced stages, clinical and pathologic stages do not correlate with outcome. Molecular and genomic biomarkers for HNSCC classification have shown promise for prognostic an ... Full text Open Access Link to item Cite

Whole-slide cytometric feature mapping for distinguishing tumor genomic subtypes in HNSCC whole slide images

Preprint · 2022 Full text Cite

Deep learning for survival outcomes.

Journal Article Statistics in medicine · July 2020 Deep learning is a class of machine learning algorithms that are popular for building risk prediction models. When observations are censored, the outcomes are only partially observed and standard deep learning algorithms cannot be directly applied. We deve ... Full text Cite