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Rev Bras Ter Intensiva. 2011;23(2):183-189
DOI 10.1590/S0103-507X2011000200011
OBJECTIVE: To investigate the relationship between adequacy of energy intake and intensive care unit mortality in patients receiving exclusive enteral nutrition therapy. METHODS: Observational and prospective study conducted during 2008 and 2009. Patients above 18 years with exclusive enteral nutrition therapy for at least 72 hours were included. The adequacy of energy intake was estimated by the administered/prescribed ratio. Non-conditional logistic regression was used to assess the relationship between predictive variables (adequacy of energy intake, APACHE II, gender, age, and intensive care unit length of stay) and intensive care unit mortality. RESULTS: Sixty-three patients (mean 58 years, 27% mortality) were included, 47.6% of whom received more than 90% of the energy prescribed (mean adequacy 88.2%). Mean energy balance was -190 kcal/day. Significant associations between death in the intensive care unit and the variables age and intensive care unit length of stay were observed, after removing the variables adequacy of energy intake, APACHE II, gender and age during the modeling process. CONCLUSION: In our study, adequacy of energy intake did not affect intensive care unit mortality. Carefully followed enteral nutrition protocols, resulting in an administered/prescribed ratio above 70%, are apparently not sufficient to impact the mortality rates in the intensive care unit. Therefore, it may not be necessary to achieve 100% of the targeted energy, considering the high frequency of enteral feeding interruptions due to gastrointestinal intolerance and fasting for tests and procedures. Additional research is needed to identify the optimal energy intake for improved outcomes and reduced costs.
Abstract
Rev Bras Ter Intensiva. 2011;23(2):183-189
DOI 10.1590/S0103-507X2011000200011
OBJECTIVE: To investigate the relationship between adequacy of energy intake and intensive care unit mortality in patients receiving exclusive enteral nutrition therapy. METHODS: Observational and prospective study conducted during 2008 and 2009. Patients above 18 years with exclusive enteral nutrition therapy for at least 72 hours were included. The adequacy of energy intake was estimated by the administered/prescribed ratio. Non-conditional logistic regression was used to assess the relationship between predictive variables (adequacy of energy intake, APACHE II, gender, age, and intensive care unit length of stay) and intensive care unit mortality. RESULTS: Sixty-three patients (mean 58 years, 27% mortality) were included, 47.6% of whom received more than 90% of the energy prescribed (mean adequacy 88.2%). Mean energy balance was -190 kcal/day. Significant associations between death in the intensive care unit and the variables age and intensive care unit length of stay were observed, after removing the variables adequacy of energy intake, APACHE II, gender and age during the modeling process. CONCLUSION: In our study, adequacy of energy intake did not affect intensive care unit mortality. Carefully followed enteral nutrition protocols, resulting in an administered/prescribed ratio above 70%, are apparently not sufficient to impact the mortality rates in the intensive care unit. Therefore, it may not be necessary to achieve 100% of the targeted energy, considering the high frequency of enteral feeding interruptions due to gastrointestinal intolerance and fasting for tests and procedures. Additional research is needed to identify the optimal energy intake for improved outcomes and reduced costs.
Abstract
Rev Bras Ter Intensiva. 2009;21(4):376-383
DOI 10.1590/S0103-507X2009000400007
OBJECTIVE: Monitor the adequacy of enteral nutritional therapy at the intensive care unit aiming to improve the quality of nutritional assistance. METHODS: Prospective and observational study developed at the adult intensive care unit from 2005 to 2008. Patients over 18 years of age with exclusive enteral nutritional therapy for over 72h participated in the sample. The average values and the percentile adequacy of energy and proteins calculated, prescribed and administered in each year were analyzed. The factors responsible for the non-conformity of the administration planned were classified into intensive care unit extrinsic or intrinsic causes. The quality indicators proposed by the ILSI Brazil were applied, and expressed into percentile goals. In the statistic analyses, confidence interval and the t Student e Mann-Whitney (p<0.05) tests were used, according to the Epi Info program. RESULTS: One hundred and sixteen patients were followed up. There were statically difference in values of energy and protein administered in 2005 and in 2006, when compared to those in 2008. The adequacy calculated/prescribed remained close to 100% in all the surveys and the adequacy administered/prescribed increased from 74% in 2005, to 89% in 2008. An increase in interruptions of enteral nutritional therapy for external factors and the decrease in interruptions for intensive care unit internal factors were verified. The quality indicators equally reflect the evolution of the patient care. CONCLUSION: In the four yearly surveys, a progressive enhancement of nutritional support was verified. Quality indicators allow nutritional care evolution monitoring, the comparison to other services data, and are a new perspective for enteral nutritional therapy assessment.
Abstract
Rev Bras Ter Intensiva. 2009;21(4):376-383
DOI 10.1590/S0103-507X2009000400007
OBJECTIVE: Monitor the adequacy of enteral nutritional therapy at the intensive care unit aiming to improve the quality of nutritional assistance. METHODS: Prospective and observational study developed at the adult intensive care unit from 2005 to 2008. Patients over 18 years of age with exclusive enteral nutritional therapy for over 72h participated in the sample. The average values and the percentile adequacy of energy and proteins calculated, prescribed and administered in each year were analyzed. The factors responsible for the non-conformity of the administration planned were classified into intensive care unit extrinsic or intrinsic causes. The quality indicators proposed by the ILSI Brazil were applied, and expressed into percentile goals. In the statistic analyses, confidence interval and the t Student e Mann-Whitney (p<0.05) tests were used, according to the Epi Info program. RESULTS: One hundred and sixteen patients were followed up. There were statically difference in values of energy and protein administered in 2005 and in 2006, when compared to those in 2008. The adequacy calculated/prescribed remained close to 100% in all the surveys and the adequacy administered/prescribed increased from 74% in 2005, to 89% in 2008. An increase in interruptions of enteral nutritional therapy for external factors and the decrease in interruptions for intensive care unit internal factors were verified. The quality indicators equally reflect the evolution of the patient care. CONCLUSION: In the four yearly surveys, a progressive enhancement of nutritional support was verified. Quality indicators allow nutritional care evolution monitoring, the comparison to other services data, and are a new perspective for enteral nutritional therapy assessment.
