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Zhonghua Wei Zhong Bing Ji Jiu Yi Xue. 2013 May;25(5):281-4. doi: 10.3760/cma.j.issn.2095-4352.2013.05.011.

[Effects of early supplemental parenteral nutrition on nutrition intakes and clinical outcomes in trauma patients].

[Article in Chinese]

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  • 1Department of Nutrition, Guangzhou General Hospital of Guangzhou Military Command, Guangdong, China.



To evaluate energy and protein intake changes in early supplemental parenteral nutrition (PN) in trauma patients, and to assess its impact on clinical outcomes.


Clinical results of patients receiving or not receiving additional PN during the first 7 days after injury were retrospectively analyzed, with a total of 195 patients classified into two groups: control group (n=105) and mixed nutrition group (n=90). The time of nutrition support, intakes of protein and energy within 14 days after trauma, and clinical outcomes were compared between two groups.


The degree of injury was comparable between two groups with no significant differences in acute physiology and chronic health evaluation II score, injury severity score (ISS) and Glasgow coma score (GCS). Compared with the control group, the mixed nutrition group received parenteral nutritional support earlier (40.0±21.0 hours vs. 55.1±23.5 hours, P<0.01), with later beginning of enteral nutrition (EN, 75.2±54.5 hours vs. 55.1±23.5 hours, P<0.01) and lower rate of EN in 48 hours after admission [14.4% (13/90) vs. 43.8% (46/105), P<0.01]. The time of restoring oral diet was not different between the mixed nutrition group and control group (10.8±3.7 days vs. 11.4±3.6 days, P>0.05). The energy intake was significantly higher in the mixed nutrition group than in the control group in 3, 7, 14 days (3 days: 3981.6±2209.3 kJ vs. 2683.2±1414.9 kJ, 7 days: 5477.5±2008.4 kJ vs. 3619.1±1429.9 kJ, 14 days: 6250.2±2533.2 kJ vs. 5199.9±1972.7 kJ, P<0.05 or P<0.01). In both groups the protein intake was insufficient, and it was significantly lower in the mixed nutrition group than in the control group on day 3 (20.6±18.4 g vs. 26.5±13.8 g, P<0.05). The patients in the mixed nutrition group had longer hospital stay time (73.9±62.5 days vs. 50.9±33.3 days, P<0.01). The mortality rate of mixed nutrition group and control group was 4.4% (4/90) and 3.8% (4/105) respectively, the rate of infection and acute respiratory distress syndrome (ARDS) were 8.9% (8/90) and 3.8% (4/105), 5.6% (5/90) and 7.6% (8/105) respectively, duration of mechanical ventilation (days) was 8.3±4.6 and 7.3±4.7, duration of stay in ICU was 17.6±13.2 days and 14.2±11.3 days respectively, and no significant difference was found between two groups (all P>0.05).


Although early supplemental PN within 7 days after injury increases energy intake, PN without a standard protocol does not improve clinical outcomes and may prolong hospital stay time.

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