Publications by authors named "Cornejo J"

Background: Cardiovascular (CV) disease is a leading cause of death in pregnant women globally, especially in low- and middle-income countries including Latin America (LATAM), where there is lack of data on how cardiologists are trained in cardio-obstetrics (CO) and the practice patterns in the care of pregnant patients.

Objectives: The authors aimed to identify CO competency and practice patterns among LATAM general cardiologists.

Methods: An anonymous cross-sectional Google-based electronic survey was sent via email to clinical cardiologists through local American College of Cardiology chapters and CV societies.

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Aquaculture stands as the fastest-growing food fish sector, expected to satisfy global demand for aquatic products. However, its expansion has led to disease emergence, adversely affecting both production and biodiversity. In response, since the mid-1990s the World Organisation for Animal Health (WOAH) has developed initiatives, notably the Aquatic Animal Health Code and the Manual of Diagnostic Tests for Aquatic Animals, aimed at harmonising health standards for international trade in aquatic animals.

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Background: Candy cane (CC) syndrome is a complication that occurs following Roux-en-Y bypass (RYGB), implicated as a long, small-bowel blind limb at gastrojejunostomy possibly caused using circular staplers.

Objectives: We aimed to report our experience with CC resection and improving outcomes following RYGB.

Setting: University hospital.

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Article Synopsis
  • Inching-locomotion caterpillars (ILAR) serve as inspiration for creating 'inch-worm' robots that utilize biomimicry and can adapt to various environments, including natural and extraterrestrial settings.
  • A new mathematical method called Multi-Body Dynamics for Inching-Locomotion Caterpillar Robots (MBD-ILAR) is introduced to simulate the movement of these robots and includes calculations for factors like kinematics and dynamics, focusing on specific robot design aspects.
  • A case study was conducted to apply this method, which involved developing a graphical user interface to optimize robot actuator choices and validate the simulation results by analyzing how different parameters influence attachment forces and mechanical performance.
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  • The space race has evolved over the past 50 years with advancements in mechatronic systems, particularly focusing on bio-inspired mobile-planetary robots, though none have been successfully deployed on the Moon yet.
  • Progress has been made in designing robotic systems using biomimetic principles, optimizing them for operation in environments similar to the Moon's surface, like regolith simulants.
  • This study reviews and analyzes 482 papers on animal-inspired robotic systems, categorizing them based on locomotion techniques and showcasing the potential for future lunar exploration through innovative designs that mimic the characteristics of various animals.
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Nissen fundoplication (NF) is a common surgical procedure to treat gastroesophageal reflux disease; however, a subset of patients may continue to experience symptoms or develop symptom recurrence despite a successful procedure. This study aims to compare laparoscopic and robotic approaches for treating failed NF and evaluate the outcomes after converting to Toupet fundoplication (TF). We conducted a retrospective analysis of patients who underwent robotic or laparoscopic revision to TF for failed NF between 2016 and 2023.

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Sulfachloropyridazine (SCP) is an antimicrobial (AM) commonly used in the poultry industry. This drug is excreted as the original compound, which may accumulate in litter. This work was done to assess whether SCP residues from droppings of broiler chickens that were treated with therapeutic doses of this drug spread into the production environment and to determine if these events were associated with the selection of resistant bacteria.

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Background: Minimally invasive bariatric surgeries provide effective weight loss with fewer complications. However, postoperative bleeding remains a significant concern due to its potential for serious morbidity and mortality. This study aimed to identify factors predicting postoperative bleeding following laparoscopic and robotic sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB).

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Background: Obesity is a risk factor for the development of ventral hernias. Approximately eight percent of patients undergoing bariatric surgery have a concomitant ventral hernia. However, the optimal timing of hernia repair in these patients is debated.

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Animal waste is a potential pollution hazard as it can harbour contaminants, such as antimicrobial residues, mycotoxins, and pesticides, becoming a risk to the public, animal, and environmental health. To assess this risk, 15 experimental broiler chickens orally received contaminants to evaluate excretion levels. An analytical method was previously developed to detect 18 substances in poultry droppings using high-performance liquid chromatography coupled to a tandem mass spectrometer (HPLC-MS/MS).

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Background: Sleeve gastrectomy is the most common bariatric procedure and its long-term complications include inadequate weight loss, weight regain, and de novo GERD, often requiring revisional surgery. Revisions, notably re-sleeve and conversion to Roux-en-Y gastric bypass (RYGB), are frequently performed, but safety data is limited. Herein, we used the MBSAQIP database to compare 30 day outcomes of primary sleeve gastrectomy (SG) with re-sleeve (RS) and SG to RYGB conversion.

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Objective: To determine the branching patterns of the inferior mesenteric artery (IMA) and to describe the clinical applicability of computed tomography (CT) angiography in the evaluation of these vessels to facilitate the planning of colorectal cancer surgery.

Materials And Methods: We included 100 patients who underwent CT angiography of the abdomen and pelvis. The branching patterns of the IMA were examined and classified as type 1 (bifurcated), including 1A (sigmoid and left colic arteries arising from a common trunk), 1B (sigmoid and superior rectal arteries arising from a common trunk) and 1C (sigmoid arteries arising from both trunks); type 2 (trifurcated); and type 3 (no left colic branch).

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Revisional metabolic and bariatric surgery (RMBS) presents unique challenges in addressing weight loss failure or complications arising from initial bariatric procedures. This review aims to explore the complexities and solutions associated with revisional bariatric procedures comprehensively, offering insights into the evolving terrain of metabolic and bariatric surgery. A literature review is conducted to identify pertinent studies and expert opinions regarding RMBS.

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Article Synopsis
  • This research reviews a decade of studies on bio-inspired designs of mobile robots based on arthropod anatomy, demonstrating their flexible biomechanics and adaptable morphology.
  • Over 33,000 works were analyzed, with 174 selected for in-depth study, predominantly focusing on hexapods (insects), octopods (spiders), and other arthropod classifications.
  • The findings highlight the importance of 'arthrobotics', with significant contributions from researchers in the USA, China, Singapore, and Japan, aiming to inspire innovative biomechatronic system designs.
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Background: Laparoscopic sleeve gastrectomy (LSG) in patients with BMI ≥ 60 presents technical challenges, that might be overcome by robotic surgery, but its effectiveness has not been rigorously evaluated. We compared the 30-day outcomes of LSG and robotic sleeve gastrectomy (RSG) in patients with BMI < 60 versus ≥ 60 and between LSG and RSG in patients with BMI ≥ 60.

Methods: Patients aged 18-65 years who underwent sleeve gastrectomy were included using the 2019-2022 MBSAQIP database.

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Introduction: Obesity is frequent among organ transplant recipients, increasing the risk of acute graft rejection and overall morbimortality. Laparoscopic sleeve gastrectomy (LSG) effectively improves graft survival and associated comorbidities. We first compared 30-d outcomes between chronic immunosuppressed (CI) and nonchronic immunosuppressed (non-CI) patients.

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Purpose: Marginal ulcer (MU) is a known complication after Roux-en-Y gastric bypass (RYGB) that carries significant morbidity. First, we aimed to determine the trends and the rates of readmission, reintervention, and reoperation of 30-day MU. Second, we aim to determine the predictive factors associated with this complication.

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Inappropriate diets cause many of the health problems commonly reported in parrots by psittaculturists and veterinarians. The dietary management of captive parrots would benefit from information derived from studies of dietary habits of wild parrots; however, it is unclear how complete this body of knowledge is at this time. Documentation of parrots' dietary habits appears to have grown dramatically over the past century.

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Antimicrobial Resistance (AMR) represents one of the main current threats to global public health; where production animals, companion animals, humans, and the environment play a significant role in its dissemination. However, little attention has been given to companion animals as reservoirs and disseminators of relevant antimicrobial resistant bacteria, especially in South American countries such as Chile. For this reason, this research aimed to estimate the prevalence of AMR to different critical antibiotics at a screening level in commensal bacteria such as E.

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Obesity is associated with numerous chronic conditions and an increased risk for surgical complications. Laparoscopic and robotic adrenalectomy have proven effective in the resection of adrenal tumors. This study analyzes the outcomes of severely obese patients (body-mass index [BMI] ≥35 kg/m) following minimally invasive adrenalectomy.

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Oxytetracycline (OTC), enrofloxacin (EFX), and sulfachloropyridazine (SCP) are critically important antimicrobials (AMs) in both human and veterinary medicine, where they are widely used in farm animals. Lettuce has become a matrix of choice for studying the presence of residues of these AMs in plants, as the concentrations of residues detected in lettuce can range from ng to mg. While several analytical methodologies have been developed for the purpose of detecting AMs in lettuce, these currently do not detect both the parent compound and its active metabolites or epimers, such as in the case of ciprofloxacin (CFX) and 4-epi-oxitetracycline (4-epi-OTC), which also pose a risk to public health and the environment due to their AM activity.

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Article Synopsis
  • Inching-locomotion caterpillars (ILAR) exhibit remarkable adaptability and dexterity, inspiring a new robotic design method called BIROD.
  • This method utilizes an algorithm for geometrical kinematic analysis (GEKINS) to standardize the dimensions based on caterpillar anatomy and analyze their movement mechanics.
  • The research results reveal key differences in locomotion mechanics, aiding in the design of bio-inspired robots by providing crucial data on kinematic chains for 35,400 ILAR species.
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