Publications by authors named "Loria A"

Aim: In contrast to significant advances in organ preservation in locally advanced rectal cancer, the contemporary management of early-stage rectal cancer, including the frequency of abdominoperineal resections, remains largely unexplored in the United States. Therefore, we assessed the utilization of neoadjuvant therapy and oncological resections in early-stage rectal cancer patients.

Study Design: This is a retrospective cohort study of patients with cT1-T3N0 rectal cancer who underwent proctectomies between 2016 and 2022 in the National Surgical Quality Improvement Project proctectomy files.

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The clinical effects on the udder health of several trace elements-copper, iodine, cobalt, and selenium-contained in an intraruminal slow-release bolus were explored for the first time. Fifty-four dairy cows received the bolus (treated group, TG), while fifty-three were left untreated (control group, CG). Monthly composite milk samples were collected from 30 to 300 days in milk to measure somatic cell count (SCC); milk production was also recorded on the same days.

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Importance: Close surveillance for detection of local tumor regrowth is critical for patients opting for nonoperative management after neoadjuvant therapy for rectal cancer. However, there are minimal data regarding the feasibility and adherence to National Comprehensive Cancer Network (NCCN) surveillance guidelines for these patients.

Objective: To determine adherence rates to NCCN-recommended surveillance in patients undergoing nonoperative management for rectal cancer.

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  • Adverse Childhood Experiences (ACEs) are stressful events in early life, such as abuse and neglect, that can have lasting negative effects on health, particularly in women.
  • Women who experience ACEs are more likely to develop obesity and cardiometabolic diseases compared to men.
  • Research using rodent models shows that early life stress affects neuroendocrine systems differently in males and females, suggesting this may explain women's increased risk of obesity and metabolic disorders.
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Excessive fructose intake is a risk factor for the development of obesity and its complications. Targeting ketohexokinase (KHK), the first enzyme of fructose metabolism, has been investigated for the management of metabolic dysfunction-associated steatotic liver disease (MASLD). We compared the effects of systemic, small molecule inhibitor of KHK enzymatic activity with hepatocyte-specific, N-acetylgalactosamine siRNA-mediated knockdown of KHK in mice on an HFD.

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Background: Apple peel is rich in natural molecules, many exhibiting a significant bioactivity. In this study, our objective was to establish a novel callus line derived from the apple peel of the Italian local variety Annurca, known to accumulate high levels of dihydrochalcones and terpenes. In this regard, we tested the impact of one elicitor, yeast extract, on the expression of genes encoding key enzymes involved in phloridzin and ursolic acid biosynthesis, leading to the accumulation of these antioxidant compounds.

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Background: Disparities in emergency department (ED) utilization after gastrostomy (G-) tube placement were previously demonstrated at our children's hospital. We aimed to reduce postoperative G-tube dislodgements and ED visits with a particular focus on socially vulnerable children.

Methods: Our improvement team implemented a G-tube care bundle (6/2018-9/2019) targeting caregiver preparedness and standardizing care in the pre-, intra-, and post-operative periods.

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Living donor liver transplantation (LDLT) is a treatment option for select patients with unresectable colorectal liver metastasis. We describe our center's experience of patient selection, insurance approval, and outcomes after LDLT after first referral in March 2019. Of the 206 evaluated patients, 23 underwent LDLT.

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Background: Data to guide surgical timing after colonic decompression for sigmoid volvulus are limited. Thus, we compared the postoperative outcomes of patients with sigmoid volvulus who underwent semielective (during index hospitalization after decompression) and elective surgery (subsequent elective hospitalization).

Methods: We performed a retrospective review of 100% Medicare Provider Analysis and Review Files from 2016 to 2019, including Medicare beneficiaries aged ≥65 years who were urgently/emergently admitted for their index episode of volvulus and underwent colonic decompression followed by surgery.

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  • - Oropharyngeal cancer (OphC) during pregnancy is rare but may become more common, and delays in treatment can negatively impact survival; current data on radiation therapy's effects on pregnant patients and their children are limited.
  • - A case study describes a 39-year-old pregnant woman with advanced OphC who received surgery and radiation therapy, using techniques to minimize fetal radiation exposure, with an estimated dose of about 50 mSv.
  • - The patient remained cancer-free after 10 years, and her daughter, born at nearly 34 weeks, is healthy and performing well in school, suggesting that optimizing radiation treatment during pregnancy can protect both mother and child.
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Background: The treatment landscape for rectal cancer is rapidly evolving, particularly with the increasing use of neoadjuvant therapies. Still, up to 50% of patients with stage II-III disease require surgical resection post-neoadjuvant therapy to achieve the best oncologic outcomes. Many patients, however, hope to avoid surgery.

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Background: Cholangiocarcinoma (CCA) features highly desmoplastic stroma that promotes structural and functional resistance to therapy. Lysyl oxidases (LOX, LOXL1-4) catalyze collagen cross-linking, thereby increasing stromal rigidity and facilitating therapeutic resistance. Here, we evaluate the role of lysyl oxidases in stromal desmoplasia and the effects of pan-lysyl oxidase (pan-LOX) inhibition in CCA.

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  • This study systematically reviews the current state of surgical care for incarcerated individuals in the U.S., highlighting significant gaps in knowledge and care quality that need addressing in future research.
  • The U.S. prison population, which largely consists of young, low-income men from minority backgrounds, faces unique health challenges that are compounded by limited access to healthcare and a lack of literature on their surgical needs.
  • The review found that most studies focused on orthopedic surgeries, revealing issues such as delayed hospital visits and high complication rates for incarcerated patients compared to their nonincarcerated counterparts, indicating a need for improved surgical practices and follow-ups in this demographic.
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Research using animals depends on the generation of offspring for use in experiments or for the maintenance of animal colonies. Although not considered by all, several different factors preceding and during pregnancy, as well as during lactation, can program various characteristics in the offspring. Here, we present the most common models of developmental programming of cardiovascular outcomes, important considerations for study design, and provide guidelines for producing and reporting rigorous and reproducible cardiovascular studies in offspring exposed to normal conditions or developmental insult.

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Adverse childhood experiences (ACEs) are an established independent risk factor for chronic disease including obesity and hypertension; however, only women exposed to multiple ACEs show a positive relationship with BMI. Our lab has reported that maternal separation and early weaning (MSEW), a mouse model of early life stress, induces sex-specific mechanisms underlying greater blood pressure response to a chronic high fat diet (HF). Specifically, female MSEW mice fed a HF display exacerbated perigonadal white adipose tissue (pgWAT) expansion and a metabolic syndrome-like phenotype compared to control counterparts, whereas hypertension is caused by sympathoactivation in male MSEW mice.

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The discovery of natural molecules with antimicrobial properties has become an urgent need for the global treatment of bacterium and virus infections. , a Mediterranean shrub species, represents a valuable source of phytochemicals with an interesting wide-spectrum antimicrobial potential. In this study, we analysed the spectrum of molecules composing a commercial hydroalcoholic extract of finding ellagitannins as the most abundant.

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  • Advanced molecular biology techniques, including endomyocardial biopsy, are enhancing the diagnosis of cardiomyopathies in dogs, especially through studies of living animals.
  • In a study of nine dogs with dilated cardiomyopathy, histologic and genetic analyses revealed various types of inflammation and viral infections, along with altered gene-expression pathways compared to healthy controls.
  • The findings suggest that next-generation sequencing can uncover critical molecular and genetic factors involved in the development and progression of dilated cardiomyopathy in dogs.
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  • In April 2023, the National Comprehensive Cancer Network recommended neoadjuvant immunotherapy for certain patients with nonmetastatic mismatch repair deficient colon cancer, a subtype that comprises about 15% of colon cancers and responds well to immune treatments.
  • A review of the literature identified 8 relevant studies out of 7691, focusing on safety and efficacy of this treatment, which included diverse agents and treatment durations.
  • Results showed high rates of complete surgical resection (98%-100%) and significant pathological response rates (50%-91% achieving ypT0N0), with manageable safety profiles as most adverse events were mild to moderate.
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  • Soluble prorenin receptor (sPRR) is a plasma biomarker linked to hypertension and cardiovascular diseases, but its specific role in kidney function and blood pressure regulation in humans is not well understood.
  • A study created a mouse model expressing human sPRR in the renal collecting duct to explore how it affects cardiorenal function, focusing on sex and daily circadian variations.
  • Results showed that female mice with increased levels of sPRR exhibited higher blood pressure, altered responses to blood pressure medications, and changes in kidney function only during their active phase, suggesting a complex interaction between sPRR and renal functions that may differ by sex.
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