BackgroundObesity is a pro-inflammatory state that may predispose patients to acute coronary syndrome characterized by chronic low grade inflammation resulting in endothelial dysfunction (ED). The aim of the study was to evaluate urinary biomarkers of inflammation and ED in adolescents with obesity.MethodsSixty three subjects were recruited for the study. Twenty healthy adolescents with normal body mass (NW), 14 overweight (OW), 29 obese (OA) subjects were selected. An EndoPat 2000 device was used to measure the reactive hyperemia index (RHI). First morning fasting urine samples were tested for interleukin 6 (IL-6), endothelin 1 (ET-1), alpha-1-acid glycoprotein (AGP), tumor necrosis factor- α (TNF-α) and corrected to urinary creatinine.ResultsUrinary TNF-α was significantly higher in OA group (52.4 ± 15.3 pg/mg) compared to adolescents with NW (14.1 ± 1.2 pg/mg, P = 0.04). ET-1 levels were found to be higher in OW (5.18 ± 1.6 pg/mg) compared with NW (3 · 47 ± 0.3 pg/mg, P = 0.24); and higher in OA (8.48 ± 3.1 pg/mg) compared to both NW (P = 0.19) and OW (P = 0.40). Similarly a higher AGP level was observed in OW (864.8 ± 156 ng/mg) and OA (808.3 ± 186 ng/mg) compared to NW (653 ± 69 ng/mg) (P = 0.16 & 0.49 respectively). Inflammatory markers namely, TNF-α, IL-6 and AGP significantly and positively correlated with each other and with ET-1, a marker for endothelial dysfunction. This significant correlation was also observed when tested separately in the subgroups (NW, OW and OA). There were no differences in RHI levels among the study groups.ConclusionUrinary TNF-alpha is significantly elevated in obese adolescents and correlates with urinary ET-1, which is recognized as a biomarker for endothelial dysfunction. Since obesity is a chronic inflammatory state, elevated urinary TNF-alpha might be used as a non invasive tool to monitor the level of that inflammation.
Background. Medical errors are the third leading cause of death in the United States. Reporting of all medical errors is important to better understand the problem and to implement solutions based on root causes. Underreporting of medical errors is a common and a challenging obstacle in the fight for patient safety. The goal of this study is to review common barriers to reporting medical errors. Methods. We systematically reviewed the literature by searching the MEDLINE and SCOPUS databases for studies on barriers to reporting medical errors. The preferred reporting items for systematic reviews and meta-analyses guideline was followed in selecting eligible studies. Results. Thirty studies were included in the final review, 8 of which were from the United States. The majority of the studies used self-administered questionnaires (75%) to collect data. Nurses were the most studied providers (87%), followed by physicians (27%). Fear of consequences is the most reported barrier (63%), followed by lack of feedback (27%) and work climate/culture (27%). Barriers to reporting were highly variable between different centers.
Severe sepsis (SS) in pediatric oncology patients is a leading cause of morbidity and mortality. We investigated the incidence of and risk factors for morbidity and mortality among children diagnosed with cancer from 2008 to 2012, and admitted with SS during the 3 years following cancer diagnosis. A total of 1,002 children with cancer were included, 8% of whom required pediatric intensive care unit (PICU) admission with SS. Death and/or multiple organ dysfunction syndrome occurred in 34 out of 99 PICU encounters (34%). Lactate level and history of stem-cell transplantation were significantly associated with the development of death and/or organ dysfunction (p < 0.05).
The best practice in pediatric delirium (PD) screening and treatment is still unknown. Current recommendations come from small studies and adult data. We surveyed the Pediatric Critical Care Medicine fellowship directors on PD screening and treatment practices in their centers. We report high variability in the screening and treatment practices for PD in large academic medical centers in the United States. The Cornell Assessment of Pediatric Delirium tool is the most commonly used tool for screening, and quetiapine is the most commonly used pharmacologic agent. A national guideline on PD screening, prevention, and treatment is needed to standardize practice and provide guidance.
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