human
***TASK*** the task is to summarize an input biomedical literature in six sentences 
    ***INPUT*** the input is a biomedical literature 
    ***OUTPUT*** the output is the summary of an input biomedical literature in six sentences 
    ***DOCUMENTATION*** 
    ***EXAMPLES*** 
    Input: BACKGROUND Undernutrition and weight loss are important determinants of clinical outcome in older patients after hip fracture but the effectiveness of nutritional support programs in routine clinical practice remains controversial . AIMS OF THE PROJECT : To determine if oral nutritional supplements given daily for 28 days after hip fracture surgery could prevent weight loss and /or lead to improved clinical outcomes ( mortality rates , discharge destination , activities of daily living or length of hospital stay ) in non-malnourished community-dwelling older women with hip fracture . METHODS One hundred and nine women with BMI range 20 - 30 kg/m(2 ) were allocated to either nutritional supplements ( 352 kcal/day ) or usual hospital nutrition using a quasi-r and omisation technique . Body weight changes were monitored at 4 and 8 weeks and clinical outcomes were recorded at discharge and at 6 months . RESULTS No significant differences in weight change or clinical outcomes were seen between the two groups . Compliance with consuming the nutritional supplements was quite variable and there was a significant negative correlation between the amount of supplement consumed and subsequent weight change ( r=-0.36 , P=0.019 ) . CONCLUSIONS Poor compliance with oral nutritional supplements is an important determinant of the effectiveness of oral nutritional interventions in preventing weight loss after hip fracture . Whilst this may explain the lack of clinical improvements seen , our data do not support the routine use of oral nutritional supplements in non-malnourished hip fracture patients There is a common perception that malnutrition is an inevitable manifestation of illness , that oral nutritional supplements are not taken or reduce the consumption of oral diet , and that nasogastric feeding is poorly tolerated . This study assessed the efficacy of supplemental enteral feeding on the nutritional status of malnourished patients , to compare oral supplements ( OS ) with overnight supplemental nasogastric feeding ( NG ) on nutritional status and to determine the effect of nutritional supplements on oral diet . Malnourished hospital patients were r and omized to one of three groups : control ( C ) , OS , or NG . All patients had access to hospital diet .  Supplements were prescribed to meet estimated nutritional needs . Nutritional status was recorded at the start and the end of the feeding period . The total nutritional intake was recorded . Weight gain occurred in 64 % of the supplemented patients , whereas 73 % of the controls lost weight with mean weight changes of + 2.9 % OS . + 3.3 % NG , and -2.5 % C. There was no difference in the mean energy intake from food in the three groups . There were no documented complications of OS and three minor complications of NG . Both methods of supplementation allow weight gain without significantly affecting spontaneous oral intake AIM To evaluate the effects of a protein-rich liquid supplementation , alone or in combination with the anabolic steroid n and rolone decanoate , on body composition , activities of daily living ( ADL ) status and the health-related quality of life ( HRQoL ) after a femoral neck fracture . METHODS Sixty women , aged 83 + /- 5 years ( mean + /- SD ) , BMI < 24 kg/m2 ( 20.4 + /- 2 kg/m2 ) and capable of co-operating , with a femoral neck fracture treated with internal fixation , were r and omised to open treatment during 6 months with a protein-rich liquid formula alone ( PR , Fortimel , 200 ml/day , 20 g protein/day ) or in combination with n and rolone decanoate ( PR/N , Deca-Durabol 25 mg i.m./3 weeks ) or to a control group ( C ) . The patients were re-examined after 6 and 12 months regarding body weight ( BW ) , lean body mass ( LBM , DXA ) , ADL status according to Katz , HRQoL according to EQ 5-D and fracture healing . RESULTS LBM decreased in the C ( -1.2 + /- 2 kg ) and PR groups ( -1.2 + /- 1 kg ) but remained the same in the PR/N group ( 0.3 + /- 1 kg ) ( P < 0.05 between groups ) . ADL remained at a high level in the two intervention groups but declined significantly in the C group ( P < 0.005 between groups ) . The decline in HRQoL was least pronounced in the PR/N group at 6 months ( P < 0.05 between groups ) . Patients with fracture healing complications lost more BW ( P < 0.05 ) and LBM ( P < 0.01 ) than patients with uneventful fracture healing . CONCLUSION Protein-rich liquid supplementation in combination with n and rolone given for 6 months to lean elderly women after a femoral neck fracture may positively affect LBM , ADL and Nutritional deficiencies , frequently observed among the frail elderly , have been associated with increased morbidity and dependency . A r and omized clinical trial was conducted to assess the impact of nutritional supplementation on the functional status of frail elderly living at home . Subjects ( n = 50 ) over age 60 ( mean 78 y ) requiring community services and at elevated risk of undernutrition ( excessive weight loss or body mass index < 24 kg/m2 ) were r and omized to a high energy nutrient dense supplement provided by a dietitian or a control group receiving visits only . Outcome measures , including changes in h and grip strength , general well-being score , perception of health and number of falls , were measured by an investigator who was unaware of treatment assignment . After 12 wk , weight gain was greater in the supplemented group ( 2.1 + /- 2.3 vs. 0.6 + /- 1.6 kg ; P < 0.01 ) . Despite adequate statistical power , no functional measures differed except that the number of falls was lower among treated subjects vs. controls ( 0 % vs. 21 % ; P = 0.05 ) . Frail elderly can gain weight through oral supplementation , indicating the reversibility of weight loss in this group , but changes in functional status indicators may require a longer period of supplementation Fighting against inactivity and inadequate nutritional intake are of utmost importance in the elderly . To our knowledge , the few studies which have been performed were conducted for only a short period and the results do not permit formal conclusions to be drawn . We therefore tried to fill this gap in our knowledge by determining whether an intervention combining an acceptable progressive exercise programme and nutritional supplements would be feasible for a long-term period in the very frail elderly , and would bring about concomitant benefits in body composition and muscle power . Accordingly , this exercise and nutritional combination was assessed in the frail elderly in a 9-month r and omised trial with a factorial design . Fifty-seven elderly volunteers over 72 years , from sixteen retirement homes in Lyon , France participated in the study .  Dietary supplements were compared with placebo , and physical exercise was compared with memory training . Main outcome measures were fat-free mass ( FFM ) and muscle power . FFM was determined by labelled water , and muscle power was measured by a leg-extensor machine . At 9 months , the compliance was 63 % for exercise sessions , and 54 % for nutritional supplements . In patients with dietary supplements , muscle power increased by 57 % at 3 months ( P=0.03 ) , and showed only a tendency at 9 months ; although FFM increased by 2.7 % at 9 months , the difference was not significant ( P=0.10 ) . Exercise did not improve muscle power at 9 months , but improved functional tests ( five-time-chair rise , P=0.01 ) . BMI increased with supplements ( + 3.65 % ) , but decreased with placebo ( -0.5 % ) at 9 months ( P=0.007 ) . A long-term combined intervention is feasible in frail elderly individuals with a good rate of compliance . Nutritional supplements and exercise may improve muscle function . Despite no significant results on FFM , due to the limited number of volunteers , combined intervention should be suggested to counteract muscle weakness in the frail elderly OBJECTIVE The objective was to determine whether provision of oral nutritional supplements , delivered by community nurses , could improve nutritional status and wound healing in home-nursed elderly . METHODS This was a double-blind , r and omized trial in 50 elderly patients referred for wound management . Patients received 237 mL/d of 4 or 8 kJ/mL of an oral nutritional supplement for 4 wk . Nutritional status was measured with the Subjective Global Assessment and the Mini-Mental State Examination question naire to determine cognitive function and wound characteristics to assess healing . Differences between variables were examined with the Mann-Whitney or Student 's t test for comparing two groups , one-way analysis of variance when there was more than two groups , and chi-square analysis for comparing two categorical variables . Associations between variables were examined with Pearson 's correlation and regression analysis . RESULTS At baseline , 34 % subjects were moderately malnourished and 8 % were severely malnourished . In both groups , there was significantly greater improvement in Mini-Mental State Examination scores at week 4 ( 95 % confidence interval -2.0 to -0.001 , P = 0.04 ) and a greater decrease in the wound effusion score ( 95 % confidence interval -2.0 to 0.0 , P = 0.045 ) . Median length of stay did not differ between groups ( P > 0.05 ) . CONCLUSIONS Malnutrition is common in elderly patients who are nursed at home for wound management . Provision of energy- and protein-dense oral supplements by community nurses is effective in improving some indices of wound healing and cognitive function in this group . Although further study is needed to determine the effect on length of stay , the nutritional needs of this vulnerable group should not be overlooked 59 elderly patients ( mean age 82 ) with femoral neck fractures were r and omised into two groups . 27 patients received daily an oral nutrition supplement ( 250 ml , 20 g protein , 254 kcal ) for a mean of 32 days ; 32 patients acted as controls . On admission most patients had nutritional deficiencies . Despite being offered adequate quantities , nutritional requirements were not met during the hospital stay . Clinical outcome was significantly better in the supplemented group ( 56 % favourable course vs 13 % in controls ) during the stay in the convalescent hospital . The rates of complications and deaths were also significantly lower in supplemented patients ( 44 % vs 87 % ) . 6 months after the fracture the rates of complications and mortality were significantly lower in supplemented patients ( 40 % vs 74 % ) . The median duration of hospital stay was significantly shorter in the supplemented group ( 24 vs 40 days ) . Thus the clinical outcome of elderly patients with femoral neck fracture can be improved by once daily dietary oral supplementation The impact of oral nutritional supplementation during an acute exacerbation of COPD on functional status was assessed through measuring change in lung function , strength testing , and general well-being .  Subjects hospitalized for an acute exacerbation of COPD ( n = 33 ) were r and omized to extra nutritional support or the regular hospital care . They consumed an additional 10 kcal/kg/d . Outcome measures were measured at 2 wk as change scores . Forced vital capacity ( % predicted ) improved in the treatment group as compared with the control group ( + 8.7 % versus -3.5 % , p = 0.015 ) , and change in FEV1 was in the same direction but not significantly different ( p = 0.099 ) . There were no changes in h and grip strength or respiratory muscle strength , but there was a trend towards more improvement in the general well-being score ( + 11.96 versus -10.25 , p = 0.066 ) . Almost all subjects were in negative nitrogen balance , indicating muscle wasting . The degree of muscle wasting was strongly correlated with the dose of corticosteroids ( r = 0.73 , p < 0.005 ) . In conclusion , it is difficult to prevent important muscle wasting in patients with COPD treated with corticosteroids , but some small gains were observed with increased dietary intake Nutritional depletion commonly occurs in patients with COPD , causing muscle wasting and impaired physiologic function . Two hundred seventeen patients with COPD participated in a placebo-controlled , r and omized trial investigating the physiologic effects of nutritional intervention alone ( N ) for 8 wk or combined with the anabolic steroid n and rolone decanoate ( N + A ) . N and rolone decanoate or placebo ( P ) was injected intramuscularly ( women , 25 mg ; men , 50 mg ) in a double-blind fashion on Days 1 , 15 , 29 , and 43 . Nutritional intervention consisted of a daily high caloric supplement ( 420 kcal ; 200 ml ) . Also , all patients participated in an exercise program . In the depleted patients , both treatment regimens induced a similar significant body weight gain ( 2.6 kg ) but different body compositional changes . Particularly in the last 4 wk of treatment , weight gain in the N group was predominantly due to an expansion of fat mass ( p < 0.03 versus P and N + A ) , whereas the relative changes in fat-free mass ( FFM ) and other measures of muscle mass were more favorable in the N + A group ( p < 0.03 versus P ) . Maximal 
    Output:
    
agent
***TASK*** the task is to summarize an input biomedical literature in six sentences 
    ***INPUT*** the input is a biomedical literature 
    ***OUTPUT*** the output is the summary of an input biomedical literature in six sentences 
    ***DOCUMENTATION*** 
    ***EXAMPLES*** 
    Input: BACKGROUND Undernutrition and weight loss are important determinants of clinical outcome in older patients after hip fracture but the effectiveness of nutritional support programs in routine clinical practice remains controversial . AIMS OF THE PROJECT : To determine if oral nutritional supplements given daily for 28 days after hip fracture surgery could prevent weight loss and /or lead to improved clinical outcomes ( mortality rates , discharge destination , activities of daily living or length of hospital stay ) in non-malnourished community-dwelling older women with hip fracture . METHODS One hundred and nine women with BMI range 20 - 30 kg/m(2 ) were allocated to either nutritional supplements ( 352 kcal/day ) or usual hospital nutrition using a quasi-r and omisation technique . Body weight changes were monitored at 4 and 8 weeks and clinical outcomes were recorded at discharge and at 6 months . RESULTS No significant differences in weight change or clinical outcomes were seen between the two groups . Compliance with consuming the nutritional supplements was quite variable and there was a significant negative correlation between the amount of supplement consumed and subsequent weight change ( r=-0.36 , P=0.019 ) . CONCLUSIONS Poor compliance with oral nutritional supplements is an important determinant of the effectiveness of oral nutritional interventions in preventing weight loss after hip fracture . Whilst this may explain the lack of clinical improvements seen , our data do not support the routine use of oral nutritional supplements in non-malnourished hip fracture patients There is a common perception that malnutrition is an inevitable manifestation of illness , that oral nutritional supplements are not taken or reduce the consumption of oral diet , and that nasogastric feeding is poorly tolerated . This study assessed the efficacy of supplemental enteral feeding on the nutritional status of malnourished patients , to compare oral supplements ( OS ) with overnight supplemental nasogastric feeding ( NG ) on nutritional status and to determine the effect of nutritional supplements on oral diet . Malnourished hospital patients were r and omized to one of three groups : control ( C ) , OS , or NG . All patients had access to hospital diet .  Supplements were prescribed to meet estimated nutritional needs . Nutritional status was recorded at the start and the end of the feeding period . The total nutritional intake was recorded . Weight gain occurred in 64 % of the supplemented patients , whereas 73 % of the controls lost weight with mean weight changes of + 2.9 % OS . + 3.3 % NG , and -2.5 % C. There was no difference in the mean energy intake from food in the three groups . There were no documented complications of OS and three minor complications of NG . Both methods of supplementation allow weight gain without significantly affecting spontaneous oral intake AIM To evaluate the effects of a protein-rich liquid supplementation , alone or in combination with the anabolic steroid n and rolone decanoate , on body composition , activities of daily living ( ADL ) status and the health-related quality of life ( HRQoL ) after a femoral neck fracture . METHODS Sixty women , aged 83 + /- 5 years ( mean + /- SD ) , BMI < 24 kg/m2 ( 20.4 + /- 2 kg/m2 ) and capable of co-operating , with a femoral neck fracture treated with internal fixation , were r and omised to open treatment during 6 months with a protein-rich liquid formula alone ( PR , Fortimel , 200 ml/day , 20 g protein/day ) or in combination with n and rolone decanoate ( PR/N , Deca-Durabol 25 mg i.m./3 weeks ) or to a control group ( C ) . The patients were re-examined after 6 and 12 months regarding body weight ( BW ) , lean body mass ( LBM , DXA ) , ADL status according to Katz , HRQoL according to EQ 5-D and fracture healing . RESULTS LBM decreased in the C ( -1.2 + /- 2 kg ) and PR groups ( -1.2 + /- 1 kg ) but remained the same in the PR/N group ( 0.3 + /- 1 kg ) ( P < 0.05 between groups ) . ADL remained at a high level in the two intervention groups but declined significantly in the C group ( P < 0.005 between groups ) . The decline in HRQoL was least pronounced in the PR/N group at 6 months ( P < 0.05 between groups ) . Patients with fracture healing complications lost more BW ( P < 0.05 ) and LBM ( P < 0.01 ) than patients with uneventful fracture healing . CONCLUSION Protein-rich liquid supplementation in combination with n and rolone given for 6 months to lean elderly women after a femoral neck fracture may positively affect LBM , ADL and Nutritional deficiencies , frequently observed among the frail elderly , have been associated with increased morbidity and dependency . A r and omized clinical trial was conducted to assess the impact of nutritional supplementation on the functional status of frail elderly living at home . Subjects ( n = 50 ) over age 60 ( mean 78 y ) requiring community services and at elevated risk of undernutrition ( excessive weight loss or body mass index < 24 kg/m2 ) were r and omized to a high energy nutrient dense supplement provided by a dietitian or a control group receiving visits only . Outcome measures , including changes in h and grip strength , general well-being score , perception of health and number of falls , were measured by an investigator who was unaware of treatment assignment . After 12 wk , weight gain was greater in the supplemented group ( 2.1 + /- 2.3 vs. 0.6 + /- 1.6 kg ; P < 0.01 ) . Despite adequate statistical power , no functional measures differed except that the number of falls was lower among treated subjects vs. controls ( 0 % vs. 21 % ; P = 0.05 ) . Frail elderly can gain weight through oral supplementation , indicating the reversibility of weight loss in this group , but changes in functional status indicators may require a longer period of supplementation Fighting against inactivity and inadequate nutritional intake are of utmost importance in the elderly . To our knowledge , the few studies which have been performed were conducted for only a short period and the results do not permit formal conclusions to be drawn . We therefore tried to fill this gap in our knowledge by determining whether an intervention combining an acceptable progressive exercise programme and nutritional supplements would be feasible for a long-term period in the very frail elderly , and would bring about concomitant benefits in body composition and muscle power . Accordingly , this exercise and nutritional combination was assessed in the frail elderly in a 9-month r and omised trial with a factorial design . Fifty-seven elderly volunteers over 72 years , from sixteen retirement homes in Lyon , France participated in the study .  Dietary supplements were compared with placebo , and physical exercise was compared with memory training . Main outcome measures were fat-free mass ( FFM ) and muscle power . FFM was determined by labelled water , and muscle power was measured by a leg-extensor machine . At 9 months , the compliance was 63 % for exercise sessions , and 54 % for nutritional supplements . In patients with dietary supplements , muscle power increased by 57 % at 3 months ( P=0.03 ) , and showed only a tendency at 9 months ; although FFM increased by 2.7 % at 9 months , the difference was not significant ( P=0.10 ) . Exercise did not improve muscle power at 9 months , but improved functional tests ( five-time-chair rise , P=0.01 ) . BMI increased with supplements ( + 3.65 % ) , but decreased with placebo ( -0.5 % ) at 9 months ( P=0.007 ) . A long-term combined intervention is feasible in frail elderly individuals with a good rate of compliance . Nutritional supplements and exercise may improve muscle function . Despite no significant results on FFM , due to the limited number of volunteers , combined intervention should be suggested to counteract muscle weakness in the frail elderly OBJECTIVE The objective was to determine whether provision of oral nutritional supplements , delivered by community nurses , could improve nutritional status and wound healing in home-nursed elderly . METHODS This was a double-blind , r and omized trial in 50 elderly patients referred for wound management . Patients received 237 mL/d of 4 or 8 kJ/mL of an oral nutritional supplement for 4 wk . Nutritional status was measured with the Subjective Global Assessment and the Mini-Mental State Examination question naire to determine cognitive function and wound characteristics to assess healing . Differences between variables were examined with the Mann-Whitney or Student 's t test for comparing two groups , one-way analysis of variance when there was more than two groups , and chi-square analysis for comparing two categorical variables . Associations between variables were examined with Pearson 's correlation and regression analysis . RESULTS At baseline , 34 % subjects were moderately malnourished and 8 % were severely malnourished . In both groups , there was significantly greater improvement in Mini-Mental State Examination scores at week 4 ( 95 % confidence interval -2.0 to -0.001 , P = 0.04 ) and a greater decrease in the wound effusion score ( 95 % confidence interval -2.0 to 0.0 , P = 0.045 ) . Median length of stay did not differ between groups ( P > 0.05 ) . CONCLUSIONS Malnutrition is common in elderly patients who are nursed at home for wound management . Provision of energy- and protein-dense oral supplements by community nurses is effective in improving some indices of wound healing and cognitive function in this group . Although further study is needed to determine the effect on length of stay , the nutritional needs of this vulnerable group should not be overlooked 59 elderly patients ( mean age 82 ) with femoral neck fractures were r and omised into two groups . 27 patients received daily an oral nutrition supplement ( 250 ml , 20 g protein , 254 kcal ) for a mean of 32 days ; 32 patients acted as controls . On admission most patients had nutritional deficiencies . Despite being offered adequate quantities , nutritional requirements were not met during the hospital stay . Clinical outcome was significantly better in the supplemented group ( 56 % favourable course vs 13 % in controls ) during the stay in the convalescent hospital . The rates of complications and deaths were also significantly lower in supplemented patients ( 44 % vs 87 % ) . 6 months after the fracture the rates of complications and mortality were significantly lower in supplemented patients ( 40 % vs 74 % ) . The median duration of hospital stay was significantly shorter in the supplemented group ( 24 vs 40 days ) . Thus the clinical outcome of elderly patients with femoral neck fracture can be improved by once daily dietary oral supplementation The impact of oral nutritional supplementation during an acute exacerbation of COPD on functional status was assessed through measuring change in lung function , strength testing , and general well-being .  Subjects hospitalized for an acute exacerbation of COPD ( n = 33 ) were r and omized to extra nutritional support or the regular hospital care . They consumed an additional 10 kcal/kg/d . Outcome measures were measured at 2 wk as change scores . Forced vital capacity ( % predicted ) improved in the treatment group as compared with the control group ( + 8.7 % versus -3.5 % , p = 0.015 ) , and change in FEV1 was in the same direction but not significantly different ( p = 0.099 ) . There were no changes in h and grip strength or respiratory muscle strength , but there was a trend towards more improvement in the general well-being score ( + 11.96 versus -10.25 , p = 0.066 ) . Almost all subjects were in negative nitrogen balance , indicating muscle wasting . The degree of muscle wasting was strongly correlated with the dose of corticosteroids ( r = 0.73 , p < 0.005 ) . In conclusion , it is difficult to prevent important muscle wasting in patients with COPD treated with corticosteroids , but some small gains were observed with increased dietary intake Nutritional depletion commonly occurs in patients with COPD , causing muscle wasting and impaired physiologic function . Two hundred seventeen patients with COPD participated in a placebo-controlled , r and omized trial investigating the physiologic effects of nutritional intervention alone ( N ) for 8 wk or combined with the anabolic steroid n and rolone decanoate ( N + A ) . N and rolone decanoate or placebo ( P ) was injected intramuscularly ( women , 25 mg ; men , 50 mg ) in a double-blind fashion on Days 1 , 15 , 29 , and 43 . Nutritional intervention consisted of a daily high caloric supplement ( 420 kcal ; 200 ml ) . Also , all patients participated in an exercise program . In the depleted patients , both treatment regimens induced a similar significant body weight gain ( 2.6 kg ) but different body compositional changes . Particularly in the last 4 wk of treatment , weight gain in the N group was predominantly due to an expansion of fat mass ( p < 0.03 versus P and N + A ) , whereas the relative changes in fat-free mass ( FFM ) and other measures of muscle mass were more favorable in the N + A group ( p < 0.03 versus P ) . Maximal 
    Output:
    