Publications by authors named "Yanez N"

Purpose: Pectus excavatum repair using the Nuss procedure is associated with significant postoperative opioid consumption even in the presence of a continuous thoracic paravertebral block.

Patients And Methods: A CQI project was initiated by adding combined glucocorticoids as perineural adjuvants to continuous thoracic paravertebral block. An electronic health record review of patients undergoing Nuss procedures by a single surgeon at a major academic children's hospital from June 2013 to December 2021 was performed with no patients excluded.

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Article Synopsis
  • The study explores variations in opioid use during cardiac surgeries across 30 hospitals and analyzes the influence of institutions and anesthesiologists on opioid doses.
  • Data from nearly 60,000 surgeries revealed a wide range in opioid doses, averaging 1139 mcg of fentanyl equivalents, with anesthesiologists showing significant differences in their prescribing practices.
  • Although high doses of opioids are still common, the findings highlight a shift towards understanding the factors contributing to dosage variability and the potential for implementing multimodal analgesia techniques.
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Introduction: Emergency clinical research has played an important role in improving outcomes for acutely ill patients. This is due in part to regulatory measures that allow (EFIC) trials. The Food and Drug Administration (FDA) requires sponsor-investigators to engage in community consultation and public disclosure activities prior to initiating an trial.

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Background: Systemic sclerosis (SSc) is a rare autoimmune disorder with pathological manifestations affecting multiple organ systems. Few studies have examined perioperative outcomes in patients with this disorder. The primary aim of this retrospective single-center comparative cohort analysis was to estimate the incidence of select perioperative complications in a population of SSc patients.

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Head and Neck Cancer (HNC) is a globally rare cancer that includes a variety of tumors affecting the upper aerodigestive tract. It presents with difficulty breathing or swallowing and is mainly treated with radiation therapy, chemotherapy, or surgery for tumors that have spread locally or throughout the body. Alternatively, exercise can be used during cancer treatment to improve function, including pain relief, increase range of motion and muscle strength, and reduce cancer-related fatigue, thereby enhancing quality of life.

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: Not all labor and delivery floors are equipped with ultrasound machines which can serve the needs of both obstetricians and anesthesiologists. This cross-sectional, blinded, randomized observational study compares the image resolution (RES), detail (DET), and quality (IQ) acquired by a handheld ultrasound, the Butterfly iQ, and a mid-range mobile device, the Sonosite M-turbo US (SU), to evaluate their use as a shared resource. : Seventy-four pairs of ultrasound images were obtained for different imaging purposes: 29 for spine (Sp), 15 for transversus abdominis plane (TAP) and 30 for diagnostic obstetrics (OB) purposes.

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Study Objective: Studies that track patient-centered outcomes are better suited to evaluate the relative benefits and harms of an intervention in ambulatory surgery as severe morbidity and mortality have become increasingly rare. This pilot study aimed to assess for differences in response rate and survey scores for phone-based and electronic administration of the Quality of Recovery-40 (QoR-40) survey in patients undergoing general anesthesia for ambulatory surgery.

Design: A single-center prospective observational study.

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Artificial Intelligence (AI) and data science research are promising tools to better inform public policy and public health responses, promoting automation and affordability. During the COVID-19 pandemic, AI has been an aid to forecast outbreak spread globally. The overall aim of the study is to contribute to the ongoing public health, socioeconomic, and communication challenges caused by COVID-19.

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Background: Intraperitoneal chloroprocaine has been used during cesarean delivery to supplement suboptimal neuraxial anesthesia for decades. The short in vitro half-life of chloroprocaine (11-21 seconds) has been cited to support the safety of this approach. However, there are no data regarding the rate of absorption, representing patient drug exposure, through this route of administration.

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The American Society of Anesthesiologists' (ASA) Task Force on Management of the Difficult Airway has developed a decision tree tool that uses inductive assessments to guide the anesthesiologist's choice of pathway in the ASA's Difficult Airway Algorithm. The tool prompts the anesthesiologist to consider the risk of difficulty with laryngoscopy (direct or indirect) and tracheal intubation, facemask or supraglottic ventilation, gastric contents aspiration, and rapid oxyhemoglobin desaturation. For every airway management event, the approach integrates the anesthesiologist's unique combination of experience, expertise, patient anatomy and disease, equipment availability, and other contextual conditions into the decision process.

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Objective: To (1) evaluate the effects of a group-based self-management treatment intervention (VETPALS) on physical and psychosocial functioning (primary outcomes) and quality of life (secondary outcome) in individuals with amputation and (2) examine the feasibility and acceptability of the intervention in a large national health care system.

Design: Randomized controlled trial with masked outcome assessment.

Setting: Five Veterans Affairs medical centers geographically dispersed across the United States.

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Background: There are conflicting reports regarding the association of the macrolide antibiotic clarithromycin with cardiovascular (CV) events. A possible explanation may be that this risk is partly mediated through drug-drug interactions and only evident in at-risk populations. To the best of our knowledge, no studies have examined whether this association might be mediated via P-glycoprotein (P-gp), a major pathway for clarithromycin metabolism.

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Background: Case-fatality from COVID-19 has been reported to be relatively high in patients age 65 years or older. We sought to determine the age-specific rates of COVID-19 mortality at the population level.

Methods: We obtained information regarding the total number of COVID-19 reported deaths for six consecutive weeks beginning at the 50th recorded death, among 16 countries that reported a relatively high number of COVID-19 cases as of April 12, 2020.

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Background: Cognitive impairment is common in older surgical patients and is associated with postoperative delirium. However, cognitive function is inconsistently assessed preoperatively, leading to missed opportunities to recognize vulnerable patients. We designed a prospective cohort study to assess the agreement of the Mini-Cog screening tool administered in the preoperative clinic (clinic-day test) or immediately before surgery (surgery-day test) and to determine whether a positive screening for cognitive dysfunction in the surgery-day test is associated with postoperative delirium in the postanesthesia care unit (PACU).

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Background: Endotracheal tube (ETT) designs to decrease the risk of ventilator associated pneumonia (VAP) include supraglottic suctioning, and/or modifications of the cuff shape. The TaperGuard™ ETT has a tapered, polyvinylchloride cuff designed to reduce microaspiration around channels that form with a standard barrel-shaped cuff. We compared risk of postoperative pneumonia using the TaperGuard™ ETT and the standard ETT in surgical patients requiring general anesthesia with endotracheal intubation.

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Background: Stroke is the second cause of death and the first cause of disability worldwide. However, although numerous reports regarding stroke epidemiology in Latin America have been published, they differ widely in terms of employed methods and end points. This is the first of a series of articles that describes the epidemiology of stroke and other cerebrovascular diseases (CVD) in the nation, as well as their correlation with recognized risk factors and social variables.

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Background: Myringotomy tube placement is a pediatric procedure frequently performed under inhalational anesthesia without intravenous line placement. Emergence delirium is common following sevoflurane anesthesia, and can lead to patient harm and escalation of nursing care. Our goal was to determine if intraoperative acupuncture, compared to standard of care, reduces emergence delirium in children undergoing myringotomy tube placement.

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Here we conducted a systematic review and meta-analysis to reach a consensus on whether infected and uninfected mosquitoes respond differently to repellents. After screening 2,316 published studies, theses, and conference abstracts, we identified 18 studies that tested whether infection status modulated the effectiveness of repellents. Thirteen of these studies had outcomes available for meta-analysis, and overall, seven repellents were tested (typically DEET with 62% of outcomes), six mosquito species had repellence behaviors measured (typically Aedes aegypti (L.

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Background: Numerous oxygen delivery systems are used to treat hypoxemia. It is unknown if F at the lips predicts oropharyngeal F for various oxygen mask systems. We tested whether F measurements differed between the lips and oropharynx, and whether this difference depends on the mask system.

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Background: Hispanic women choose epidural labor analgesia less commonly than non-Hispanic women. This may represent a healthcare disparity related to a language barrier and inadequate opportunities for labor analgesia education. It was hypothesized that a language-concordant, educational program regarding labor epidurals would improve epidural utilization in two independent cohorts of Hispanic and non-Hispanic women.

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Capillary derecruitment distal to a coronary stenosis is implicated as the mechanism of reversible perfusion defect and potential myocardial ischemia during coronary hyperemia; however, the underlying mechanisms are not defined. We tested whether pericyte constriction underlies capillary derecruitment during hyperemia under conditions of stenosis. In vivo two-photon microscopy (2PM) and optical microangiography (OMAG) were used to measure hyperemia-induced changes in capillary diameter and perfusion in wild-type and pericyte-depleted mice with femoral artery stenosis.

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Introduction/objective: Little is known about the long-term outcomes of injured older adults cared for in trauma systems. We sought to describe mortality and causes of death over time, and the independent association of injury severity, comorbidities, and other factors on 12-month mortality among injured older adults transported by emergency medical services (EMS).

Materials And Methods: This was a population-based cohort study of injured adults ≥ 65 years in the United States transported by 44 EMS agencies to 51 hospitals from January 1, 2011 to December 31, 2011, with 12-month follow-up through December 31, 2012.

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