Publications by authors named "Virgilio C"

Approximately 22 ​% of the United States population communicates in a non-English language, potentially impacting healthcare communication and outcomes. Few studies have examined the association between non-English primary language (NEPL) and surgical outcomes and none to our knowledge in patients undergoing arteriovenous fistula creation within a safety net system. In this study, we conducted a retrospective analysis on adults who underwent AVF creation for hemodialysis access between January 1, 2014, and December 31, 2019.

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  • The study examines the relationship between residency application data and the subsequent performance of surgical graduates, focusing on traits like surgical judgment, leadership, and medical knowledge.
  • Despite evaluating 258 graduates and various factors such as USMLE scores and clerkship honors, the findings reveal only weak associations with overall performance ratings.
  • Ultimately, the research concludes that the analyzed preresidency variables do not effectively predict residency graduate performance, suggesting a disconnect between application data and actual performance in residency.
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It is not every day that true scientific pioneers come along. Fortunately, the early 20 century gifted us with immensely talented professionals like Dr Eugene Opie, who set the groundwork for Dr Juan Acosta and his associates to make revolutionary advancements on the pathophysiologic origin and proper management of acute biliary pancreatitis. Amidst a modest hospital in the city of Rosario, Argentina, Dr Acosta pioneered numerous studies to validate his hypothesis that transient gallstone obstruction of the lumen was the true source of acute biliary pancreatitis.

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  • Aortic dissection, particularly Type B, is a common emergency in the U.S., and the study explored trends in treatment methods like thoracic endovascular repair (TEVAR) between 2010 and 2020.
  • Out of over 85,000 patients studied, fewer received TEVAR initially (decreasing from 11.3% to 9.6%), while more opted for it during later hospital visits (increasing from 13.0% to 21.6%).
  • The findings indicated that patients receiving early TEVAR had lower mortality rates but incurred higher hospital costs, while delayed TEVAR patients experienced fewer major complications without a significant increase in 90-day costs.
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Importance: It is uncertain whether current measures of achievement during medical school predict exceptional performance during surgical residency. One surrogate of excellence during residency may be awards, especially those given for teaching and annual overall accomplishment.

Objective: Determine whether markers of superior performance during medical school documented in the Electronic Residency Application Service (ERAS) application and student record correlated with receiving awards during residency.

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  • This study compares surgical outcomes between patients operated on by MD (medical doctorate) and DO (osteopathic doctorate) surgeons in the U.S., using data from Medicare claims between 2016 and 2019.
  • The main focus was on 30-day mortality, readmission rates, and hospital stays, while considering various factors like surgeon characteristics and patient demographics.
  • Results showed that MD surgeons performed the majority of procedures, with DO surgeons tending to operate on older and more female patients, but further analysis is needed to conclude any significant differences in outcomes.
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Importance: Necrotizing soft tissue infections (NSTIs) are severe life- and limb-threatening infections with high rates of morbidity and mortality. Unfortunately, there has been minimal improvement in outcomes over time.

Observations: NSTIs are characterized by their heterogeneity in microbiology, risk factors, and anatomical involvement.

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Importance: Because mentorship is critical for professional development and career advancement, it is essential to examine the status of mentorship and identify challenges that junior surgical faculty (assistant and associate professors) face obtaining effective mentorship.

Objective: To evaluate the mentorship experience for junior surgical faculty and highlight areas for improvement.

Design, Setting, And Participants: This qualitative study was an explanatory sequential mixed-methods study including an anonymous survey on mentorship followed by semistructured interviews to expand on survey findings.

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Caloric restriction and intermittent fasting prolong the lifespan and healthspan of model organisms and improve human health. The natural polyamine spermidine has been similarly linked to autophagy enhancement, geroprotection and reduced incidence of cardiovascular and neurodegenerative diseases across species borders. Here, we asked whether the cellular and physiological consequences of caloric restriction and fasting depend on polyamine metabolism.

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Background: The present study aimed to compare outcomes between cholecystectomy on index versus delayed admission for acute cholangitis.

Methods: The 2011-2020 Nationwide Readmissions Database was used to identify adult patients admitted for acute cholangitis who underwent cholecystectomy. Study cohorts were defined based on timing of surgery.

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The greater amberjack Seriola dumerili is a promising candidate for aquaculture production. This study compares the ovary transcriptome of greater amberjack sampled in the wild (WILD) with hatchery-produced breeders reared in aquaculture sea cages in the Mediterranean Sea. Among the seven sampled cultured fish, three were classified as reproductively dysfunctional (DysF group), while four showed no signs of reproductive alteration (NormalF group).

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Background: With the aging population in the United States, the incidence of abdominal aortic aneurysms is shifting to older ages. Given changing demographic characteristics and increasing health care expenditures, the present study evaluated the degree of center-level variation in the cost of elective abdominal aortic aneurysm repair.

Methods: We identified all adult (≥18 years) hospitalizations for elective repair of nonruptured abdominal aortic aneurysms in the 2017 to 2020 Nationwide Readmissions Database.

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  • Researchers developed and validated a clinical risk index score called NECROSIS to help identify necrotizing soft tissue infections (NSTIs) in emergency patients with severe skin issues.
  • *The study involved analyzing data from 362 adult patients across 16 sites in the US, finding that 82% were diagnosed with NSTIs, with key predictors including low blood pressure, specific skin color changes, and elevated white blood cell counts.
  • *The NECROSIS score showed good predictive validity, suggesting it could be a valuable tool for clinicians, though further validation studies are needed.*
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Importance: Gallstone pancreatitis (GSP) is the leading cause of acute pancreatitis, accounting for approximately 50% of cases. Without appropriate and timely treatment, patients are at increased risk of disease progression and recurrence. While there is increasing consensus among guidelines for the management of mild GSP, adherence to these guidelines remains poor.

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Irritable bowel syndrome (IBS) involves low-grade mucosal inflammation. Among the various approaches capable of managing the symptoms, physical activity is still under investigation. Despite its benefits, it promotes oxidative stress and inflammation.

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Many current trauma mortality prediction tools are either too intricate or rely on data not readily available during a trauma patient's initial evaluation. Moreover, none are tailored to those necessitating urgent or emergent surgery. Our objective was to design a practical, user-friendly scoring tool using immediately available variables, and then compare its efficacy to the widely-known Revised Trauma Score (RTS).

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Introduction: The COVID-19 pandemic created difficulties in access to care. There was also increased penetrating trauma in adults, which has been attributed to factors including increased firearm sales and social isolation. However, less is known about the relationship between the pandemic and pediatric trauma patients (PTPs).

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Background: Peripheral vascular trauma is a major contributing factor to long-term disability and mortality among patients with traumatic injuries. However, an analysis focusing on individuals at a high risk of experiencing limb loss due to rural and urban peripheral vascular trauma is lacking.

Method: This was a retrospective analysis of the 2016 to 2020 Nationwide Readmissions Database.

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The eukaryotic TORC1 kinase integrates and links nutritional, energy, and hormonal signals to cell growth and homeostasis, and its deregulation is associated with human diseases including neurodegeneration, cancer, and metabolic syndrome. Quantification of TORC1 activities in various genetic settings and defined physiological conditions generally relies on the assessment of the phosphorylation level of residues in TORC1 targets. Here we show that two commonly used TORC1 effectors in yeast, namely Sch9 and Rps6, exhibit distinct phosphorylation patterns in response to rapamycin treatment or changes in nitrogen availability, indicating that the choice of TORC1 proxies introduces a bias in decoding TORC1 activity.

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Objective: Some studies suggest that regional anesthesia provides better patency for arteriovenous fistula (AVF) for hemodialysis access as compared to local and general anesthesia. This study evaluates the impact of anesthetic modality on long term fistula function at 12 months.

Methods: A retrospective review of patients undergoing cephalic vein-based hemodialysis access in consecutive cases between 2014 and 2019 was conducted from five safety net hospitals.

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  • Organelles in the endomembrane system use Rab GTPases as unique identifiers, influenced by GEFs and GAPs, but their specific targeting and regulation remain largely unknown.
  • Gyp7, a GAP acting on the Ypt7 protein in yeast, is mainly found near vacuoles, and its misplacement disrupts vacuole shape, indicating its localized function is crucial for efficient endolysosomal transport.
  • Gyp7's activity depends on a specific lipid environment, and its overexpression increases Ypt7 in late endosomes, linking it to resistance against rapamycin and suggesting Gyp7 plays a key role in regulating late endosome functions.
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Objectives: Prior studies have found lower arteriovenous fistula (AVF) creation rates in Black and Hispanic patients. Whether this is due to health care disparities or other differences is unclear. Our objective was to evaluate the racial/ethnic differences in initial surgical access type within a high-volume, safety net system with predominantly Black and Hispanic populations.

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Objectives: To examine changes in the 30-day surgical mortality rate after common surgical procedures during the COVID-19 pandemic and investigate whether its impact varies by urgency of surgery or patient race, ethnicity and socioeconomic status.

Design: We used a quasi-experimental event study design to examine the effect of the COVID-19 pandemic on surgical mortality rate, using patients who received the same procedure in the prepandemic years (2016-2019) as the control, adjusting for patient characteristics and hospital fixed effects (effectively comparing patients treated at the same hospital). We conducted stratified analyses by procedure urgency, patient race, ethnicity and socioeconomic status (dual-Medicaid status and median household income).

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