381,225 results match your criteria: "Pennsylvania; and ‡University of Pittsburgh School of Medicine[Affiliation]"

The human malaria parasite Plasmodium falciparum evolved from a parasite that infects gorillas, termed Plasmodium praefalciparum. The sialic acids on glycans on the surface of erythrocytes differ between humans and other apes. It has recently been shown that the P.

View Article and Find Full Text PDF

The influence of additives and modifiers on the chiral HPLC separation of the nicotine enantiomers using UV/Vis detection is discussed. Selected alcohols as modifiers and selected amines as additives were found to have a significant effect on the resolution and retention times of nicotine enantiomers even to the point of eliminating component elution. Systematic variations in the concentration of ethanol, methanol, and isopropanol, as modifiers, along with variations in the concentration of diethylamine, triethylamine, tributylamine, ethylenediamine, isopropylamine, as additives, revealed that the average resolution (R) of the nicotine enantiomers ranged from 2.

View Article and Find Full Text PDF

Objective: The objective of this study is to examine the risk of hypocalcemia after thyroidectomy in patients taking histamine-2 receptor antagonists.

Study Design: Retrospective cohort study.

Setting: Multicenter, single database.

View Article and Find Full Text PDF

A Perspective on Women in Otolaryngology Through the Legacy of Dr. Margaret F. Butler.

Otolaryngol Head Neck Surg

January 2025

Department of Otorhinolaryngology-Head and Neck Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA.

This article explores the life of Dr. Margaret F. Butler and her many contributions to the field of otolaryngology.

View Article and Find Full Text PDF

Introduction: The HIV/AIDS epidemic, with 85.6 million infections and 40.4 million AIDS-related deaths globally, remains a critical public health challenge.

View Article and Find Full Text PDF

Circulating Tumor DNA as a Marker of Recurrence Risk in Stage III Colorectal Cancer: The α-CORRECT Study.

J Surg Oncol

January 2025

Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, and Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.

Background And Objectives: Identification of colorectal cancer (CRC) patients at high risk of recurrence could be of substantial clinical use. We evaluated the association of ctDNA status, using a tumor-informed assay, with recurrence-free survival (RFS).

Methods: Stage III CRC patients were enrolled between 2016 and 2020.

View Article and Find Full Text PDF

Background: Butaro Cancer Center of Excellence (BCCOE) was founded to serve Rwanda's rural low-income population, providing subsidized cancer diagnosis and treatment with transport stipends for the lowest-income patients. We examined whether travel distance to BCCOE was associated with advanced-stage diagnoses and treatment completion.

Methods: We conducted a retrospective cohort study using medical record data from BCCOE patients with pathologically-confirmed breast cancer from 2012-2016.

View Article and Find Full Text PDF

Individuals diagnosed with Castleman disease (CD) and TAFRO syndrome (characterized by thrombocytopenia, anasarca, fever, bone marrow fibrosis, and organomegaly) displays a wide range of clinical symptoms, including varying patterns of lymph node enlargement, systemic inflammation, and impaired organ function. Some patients may present with both CD and TAFRO syndrome concurrently. A retrospective study conducted across multiple centers in Japan examined 321 cases to determine if the quantity and position of swollen lymph nodes could forecast the clinical progression and intensity of these conditions.

View Article and Find Full Text PDF

While all native tRNAs undergo extensive post-transcriptional modifications as a mechanism to regulate gene expression, mapping these modifications remains challenging. The critical barrier is the difficulty of readthrough of modifications by reverse transcriptases (RTs). Here we use Induro-a new group-II intron-encoded RT-to map and quantify genome-wide tRNA modifications in Induro-tRNAseq.

View Article and Find Full Text PDF

External Validation of an AI mHealth Tool for Gingivitis Detection among Older Adults at Daycare Centers: A Pilot Study.

Int Dent J

January 2025

Faculty of Dentistry, The University of Hong Kong, Hong Kong Special Administrative Region, China; Musketeers Foundation Institute of Data Science, The University of Hong Kong, Hong Kong Special Administrative Region, China. Electronic address:

Objectives: Periodontal disease is a significant public health concern among older adults due to its relationship with tooth loss and systemic health disease. However, there are numerous barriers that prevent older adults from receiving routine dental care, highlighting the need for innovative screening tools at the community level. This pilot study aimed first, to evaluate the accuracy of GumAI, a new mHealth tool that uses AI and smartphones to detect gingivitis, and the user acceptance of personalized oral hygiene instructions provided through the new tool, among older adults in day-care community centers.

View Article and Find Full Text PDF

Background: Prediction models have demonstrated a range of applications across medicine, including using electronic health record (EHR) data to identify hospital readmission and mortality risk. Large language models (LLMs) can transform unstructured EHR text into structured features, which can then be integrated into statistical prediction models, ensuring that the results are both clinically meaningful and interpretable.

Objective: This study aims to compare the classification decisions made by clinical experts with those generated by a state-of-the-art LLM, using terms extracted from a large EHR data set of individuals with mental health disorders seen in emergency departments (EDs).

View Article and Find Full Text PDF

Elbow Ulnar Collateral Ligament Repair With Suture Tape Augmentation Versus Reconstruction Should Be Determined Using Precise Imaging and Indications.

Arthroscopy

January 2025

The Everett J. and Marian Gordon Professor of Orthopaedic Surgery and Sports Medicine The Rothman Institute, Thomas Jefferson University Philadelphia, Pennsylvania, U.S.A. Electronic address:

Current surgical treatment options for ulnar collateral ligament injury of the elbow include both reconstruction and repair. A growing amount of research has evaluated the outcomes of these various techniques in a variety of study designs. Large national database assessment indicates that overall failure rates are low and complication rates are similar between UCL reconstruction and UCL repair techniques.

View Article and Find Full Text PDF

Human organotypic colon in vitro microtissue: unveiling a new window into colonic drug disposition.

Eur J Pharm Sci

January 2025

Preclinical Sciences & Translational Safety, Janssen R&D, Turnhoutseweg 30, 2340, Beerse, Belgium. Electronic address:

The purpose of this study was to evaluate EpiColon, a novel human organotypic 3D colon microtissue prototype, developed to assess colonic drug disposition, with a particular focus on permeability ranking, and compare its performance to Caco-2 monolayers. EpiColon was characterized for barrier function using transepithelial electrical resistance (TEER), morphology via histology and immunohistochemistry, and functionality through drug transport studies measuring apparent permeability (P). Cutoff thresholds for the permeability of FITC-dextran 4 kDa (FD4), FITC-dextran 10 kDa (FD10S), and [C]mannitol were established to monitor microtissue integrity.

View Article and Find Full Text PDF

Future directions in the evaluation and management of newly diagnosed metastatic cancer.

Crit Rev Oncol Hematol

January 2025

Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA. Electronic address:

There is a much debate regarding optimal selection in patients with metastatic cancer who should undergo local treatment (surgery or radiation treatment) to the primary tumor and/or metastases. Additionally, the optimal treatment of newly diagnosed metastatic cancer is largely unclear. Current prognostication systems to best inform these clinical scenarios are limited, as all metastatic patients are grouped together as having Stage IV disease without further incorporation of patient and disease-specific covariates that significantly impact patient outcomes.

View Article and Find Full Text PDF

Background: In the context of the ongoing war in the Gaza Strip, the Gaza Health Ministry (GHM) has reported 45 936 fatalities and more than 10 000 individuals missing or under the rubble for the period Oct 7, 2023, to Jan 8, 2025. The scope of this death count is difficult to fully interpret because it does not account for the size and age distribution of the Gaza Strip population. Moreover, the quality of this death count has been questioned.

View Article and Find Full Text PDF

Objective: To develop a distributed algorithm to fit multi-center Cox regression models with time-varying coefficients to facilitate privacy-preserving data integration across multiple health systems.

Materials And Methods: The Cox model with time-varying coefficients relaxes the proportional hazards assumption of the usual Cox model and is particularly useful to model time-to-event outcomes. We proposed a One-shot Distributed Algorithm to fit multi-center Cox regression models with Time varying coefficients (ODACT).

View Article and Find Full Text PDF

Introduction: Metabolic syndrome has become a major health risk affecting patients worldwide and has been shown to be a risk factor for postoperative complications following abdominal surgery. This study aims to elucidate the link between metabolic syndrome and postoperative complications and mortality following esophagectomy.

Methods: This is a retrospective study analyzing the American College of Surgeons National Surgical Quality Improvement Program database (2017-2021).

View Article and Find Full Text PDF

Body image and sexuality both pertain to the body. Positive experiences in one domain are generally associated with positive experiences in the other. Yet, less is known about body image among postpartum women specifically.

View Article and Find Full Text PDF

Objective: The study assessed the prevalence and clinical implications of Epstein Barr Virus (EBV)-positive but Human Papillomavirus (HPV)-negative oral squamous cell carcinoma (OSCC) in a tertiary care hospital setting. The overall goal was to elucidate the potential impact of EBV on OSCC disease progression and prognosis.

Design: A total of 134 surgically resected and histopathologically confirmed OSCC tumor biopsies were collected from a tertiary care hospital.

View Article and Find Full Text PDF

Insomnia is prevalent among patients with alcohol use disorder (AUD), potentially undermining treatment and increasing the risk of relapse. Cognitive behavioral therapy for insomnia (CBT-I) is the recommended first-line treatment for insomnia, but its efficacy is not well-characterized in patients across the spectrum of AUD. The aim of this meta-analysis was to quantify the effectiveness of CBT-I in improving insomnia severity and alcohol-related outcomes in adults with heavy alcohol use and/or varying levels of AUD severity and comorbid insomnia.

View Article and Find Full Text PDF

Adaptive immune resistance in cancer describes the various mechanisms by which tumors adapt to evade anti-tumor immune responses. IFN-γ induction of programmed death-ligand 1 (PD-L1) was the first defined and validated adaptive immune resistance mechanism. The endoplasmic reticulum (ER) is central to adaptive immune resistance as immune modulatory secreted and integral membrane proteins are dependent on ER.

View Article and Find Full Text PDF

Infective endocarditis carries a high risk of morbidity and mortality with recurrent infections and non-compliance. In the case of right-sided endocarditis, the indications for intervention are less clear. The Angiovac procedure provides a treatment for right-sided endocarditis that is a less-invasive and ideal for a complicated patient population.

View Article and Find Full Text PDF