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Objective To investigate nutritional treatment in the intensive care unit (ICU) of the mainland China. Methods A cross-sectional study was conducted in 116 ICUs of 118 mainland hospitals on April 26th, 2017. All patients of these ICUs were investigated at 0 o'clock on April 26th. Demographic and clinical parameters of those patients on April 25th (the investigation day) were recorded, including the dates of hospitalization, ICU admission and nutrition initiation and clinical outcome on 28 days after the investigation day. Results A total of 1953 patients were collected, including 631 females and 1306 males. The mean age was (64.1±19.3) years old (1950 cases). The means of Glasgow Coma Scale (GCS), Sequential Organ Failure Assessment (SOFA) and Acute Physiology and Chronic Health Evaluation Ⅱ (APACHEⅡ) scores were (10.76±4.35)(1749 cases), (5.65±3.52)(1783 cases), (17.14±7.31)(1792 cases), respectively. The outcomes of 28 days after the investigation day were 1483 survivors (75.9%), 312 non-survivors (16.0%) and 158 cases (8.1%) being lost to follow-up. There were no significant differences between the males and the females in age, severity of disease and clinical outcomes of 28 days but in height and weight. There were 73.7%(1440 cases) of patients with normal or mildly injured gastrointestinal function, 10.8%(210 cases) with moderately or severely injured function, 1.7%(33 cases) with gastrointestinal failure and 13.2%(258 cases) without evaluation. To the investigation day, enteral nutrition (EN) had been initiated in 69.4%(1356 cases) of patients and parenteral nutrition (PN) in 36.4%(711 cases) of patients. There were 1720(88.1%) patients with EN administration on the investigation day. The proportion of patients with nausea, vomit/regurgitation, aspiration, abdominal pain, abdominal distention and diarrhea was 4.8%(93 cases), 5.4%(105 cases), 0.9%(17 cases), 8.7%(170 cases), 27.5%(538 cases) and 4.3%(84 cases) respectively, while that of patients using EN was 3.1%(40 cases), 4.25%(54 cases), 0.79%(10 cases), 4.41%(56 cases), 26.85%(341 cases) and 5.43%(69 cases) correspondingly. The proportion of cases starting EN within 24, 48 and 72 hours after ICU entry was 22.4%(437/1953), 38.6%(754/1953) and 46.6%(911/1953), respectively. The proportion of cases receiving ≥80% estimated energy target (=past body weight ×25 kcal/kg.d) within 3, 7 and 14 days after ICU entry was 12.9%(78/607), 18.7%(189/1010) and 23%(305/1325) respectively, while that of cases with EN was 9.9%(60/607), 15.0%(151/1010) and 18.6%(246/1325) correspondingly. Conclusions Nowadays, most of patients in the mainland ICUs receive nutrition therapy and the EN usage rate is much higher than the PN rate. However, the time of EN initiation and the target-reaching rate of energy are suboptimal and an individualized plan of nutrition therapy is still missing. Details of energy delivery still need to be improved. DOI: 10.11855/j.issn.0577-7402.2019.05.05

Objective To investigate the prevalence and risk factors of post-traumatic sepsis, and to evaluate the rationality of the 1992, 2001 and 2012 international sepsis definitions in diagnosing post-traumatic sepsis in a trauma intensive care unit (ICU) in China. Methods A one-day cross-sectional survey of trauma patients who met the inclusion criteria was conducted from 8:00 a.m., June 16, 2014 to 8:00 a.m., June 17, 2014 in the trauma ICU of Daping Hospital. The survey data included demographic information, clinical characteristics, pertinent scores (APACHE Ⅱ, SOFA, GCS, ISS) and injury mechanism. According to the definition of sepsis as depicted in the 1992, 2001, and 2012 "International Guideline of Sepsis", the patients were divided into A, B and C groups. The infection site, infection pathogens, and key medical treatment were recorded, the infection identified, and the 28day mortality recorded. A positive pathogen culture of respiratory and urinary tracts, blood, cerebrospinal fluid, and wound secretion was adopted as the diagnostic "gold standard" for septic infection. The diagnostic sensitivity and specificity of the three versions of the guidelines were statistically analyzed and the diagnostic feasibility of each definition was assessed. Results A total of 30 trauma patients were enrolled, twenty-three patients met the 1992 sepsis criteria, 22 met the 2001 criteria, and 20 met the 2012 criteria. The prevalence rates were 76.7%, 73.3%, and 66.7%, respectively, and there was no significant statistical difference. Four patients died within 28 days, which was in line with the diagnostic criteria of the three versions of the sepsis criteria. The 28-day mortality in the three sepsis guidelines groups was 17.4%, 18.2%, and 25.0%, respectively, indicating no statistical difference. By adopting culture-positive pathogens as the "gold standard" of septic infection, the diagnostic sensitivity and specificity of the group A was 77.8% and 25.0%, respectively, that of the group B, 82.2% and 41.7%, respectively, and that of the group C, 72.2% and 41.7%, respectively. No statistical difference was found in diagnostic performance among the three versions of sepsis criteria. Conclusion The prevalence of sepsis is high in the ICU trauma patients. There is no difference in diagnostic performance for post-traumatic sepsis among the three versions of the diagnostic criteria. The 1992 international sepsis criteria is relatively simple and may be more feasible for the diagnosis of post-traumatic sepsis. DOI: 10.11855/j.issn.0577-7402.2016.04.07