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Estimation of body weight in hospitalized patients

Identifieur interne : 001204 ( PascalFrancis/Corpus ); précédent : 001203; suivant : 001205

Estimation of body weight in hospitalized patients

Auteurs : S. Darnis ; N. Fareau ; C. E. Corallo ; S. Poole ; M. J. Dooley ; A. C. Cheng

Source :

RBID : Pascal:12-0319990

Descripteurs français

English descriptors

Abstract

Aim: To examine the bias and precision of different methods of estimating body mass and height in hospitalized adult patients. Methods: Patients were enrolled at the Alfred and Caulfield hospitals, Melbourne, Australia following verbal consent. Estimates were made using the Lorenz formula (that utilizes height, waist and hip circumference), the Crandell formula (that utilizes height and arm circumference) and visual estimation of weight based on the average results obtained by two pharmacy interns. Statistical error was calculated as the ratio of estimated to actual weight; bias was assessed as the mean error and precision as the proportion of estimates within 10 and 20% of measured weight and standard deviation of the error. Results: In a 5-week period July to August 2010, 198 patients were enrolled. The median age was 64 years (range 19-91) and 52% were female. Thirty-four (17%) patients were obese (BMI >30 kg/m2) and 8 (4%) were underweight (BMI <18 kg/m2). With the Lorenz formula an estimate within 10% was obtained for 56% of patients; with the Crandell formula prediction was poor. Documentation of body weight in notes and patient self-reporting were both accurate. Seventy-two patients (43%) were prescribed one or more drugs for which dosing potentially should be adjusted for body weight. Conclusions: In adult hospitalized patients, the estimation of body weight by anthropomorphic measures is not accurate. This supports the need for equipment to be made widely available to accurately weigh patients directly in hospital, including in unconscious and immobile patients.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

pA  
A01 01  1    @0 1460-2725
A03   1    @0 QJM : (Oxf., 1994, Print)
A05       @2 105
A06       @2 8
A08 01  1  ENG  @1 Estimation of body weight in hospitalized patients
A11 01  1    @1 DARNIS (S.)
A11 02  1    @1 FAREAU (N.)
A11 03  1    @1 CORALLO (C. E.)
A11 04  1    @1 POOLE (S.)
A11 05  1    @1 DOOLEY (M. J.)
A11 06  1    @1 CHENG (A. C.)
A14 01      @1 Université Aix Marseille II/Faculté de Pharmacie la Timone @2 Marseille @3 FRA @Z 1 aut.
A14 02      @1 Faculté de Pharmacie-UPS @2 Toulouse III @3 FRA @Z 2 aut.
A14 03      @1 Department of Pharmacy, Alfred Hospital @2 Melbourne 3004 @3 AUS @Z 3 aut. @Z 4 aut. @Z 5 aut.
A14 04      @1 Faculty of Pharmacy and Pharmaceutical Sciences @2 Melbourne 3004 @3 AUS @Z 4 aut.
A14 05      @1 Centre for Medicine Use and Safety, Monash Institute of Pharmaceutical Sciences, Monash University @2 Melbourne 3004 @3 AUS @Z 5 aut.
A14 06      @1 Infectious Disease Unit, Alfred Hospital @2 Melbourne 3004 @3 AUS @Z 6 aut.
A14 07      @1 Department of Epidemiology and Preventive Medicine, Monash University @2 Melbourne 3004 @3 AUS @Z 6 aut.
A20       @1 769-774
A21       @1 2012
A23 01      @0 ENG
A43 01      @1 INIST @2 5050 @5 354000504403880070
A44       @0 0000 @1 © 2012 INIST-CNRS. All rights reserved.
A45       @0 16 ref.
A47 01  1    @0 12-0319990
A60       @1 P
A61       @0 A
A64 01  1    @0 QJM : (Oxford. 1994. Print)
A66 01      @0 GBR
C01 01    ENG  @0 Aim: To examine the bias and precision of different methods of estimating body mass and height in hospitalized adult patients. Methods: Patients were enrolled at the Alfred and Caulfield hospitals, Melbourne, Australia following verbal consent. Estimates were made using the Lorenz formula (that utilizes height, waist and hip circumference), the Crandell formula (that utilizes height and arm circumference) and visual estimation of weight based on the average results obtained by two pharmacy interns. Statistical error was calculated as the ratio of estimated to actual weight; bias was assessed as the mean error and precision as the proportion of estimates within 10 and 20% of measured weight and standard deviation of the error. Results: In a 5-week period July to August 2010, 198 patients were enrolled. The median age was 64 years (range 19-91) and 52% were female. Thirty-four (17%) patients were obese (BMI >30 kg/m2) and 8 (4%) were underweight (BMI <18 kg/m2). With the Lorenz formula an estimate within 10% was obtained for 56% of patients; with the Crandell formula prediction was poor. Documentation of body weight in notes and patient self-reporting were both accurate. Seventy-two patients (43%) were prescribed one or more drugs for which dosing potentially should be adjusted for body weight. Conclusions: In adult hospitalized patients, the estimation of body weight by anthropomorphic measures is not accurate. This supports the need for equipment to be made widely available to accurately weigh patients directly in hospital, including in unconscious and immobile patients.
C02 01  X    @0 002B01
C03 01  X  FRE  @0 Estimation @5 02
C03 01  X  ENG  @0 Estimation @5 02
C03 01  X  SPA  @0 Estimación @5 02
C03 02  X  FRE  @0 Poids corporel @5 03
C03 02  X  ENG  @0 Body weight @5 03
C03 02  X  SPA  @0 Peso corporal @5 03
C03 03  X  FRE  @0 Hospitalisation @5 05
C03 03  X  ENG  @0 Hospitalization @5 05
C03 03  X  SPA  @0 Hospitalización @5 05
C03 04  X  FRE  @0 Homme @5 06
C03 04  X  ENG  @0 Human @5 06
C03 04  X  SPA  @0 Hombre @5 06
C03 05  X  FRE  @0 Malade @5 08
C03 05  X  ENG  @0 Patient @5 08
C03 05  X  SPA  @0 Enfermo @5 08
C03 06  X  FRE  @0 Médecine @5 09
C03 06  X  ENG  @0 Medicine @5 09
C03 06  X  SPA  @0 Medicina @5 09
C07 01  X  FRE  @0 Biométrie corporelle @5 37
C07 01  X  ENG  @0 Corporal biometry @5 37
C07 01  X  SPA  @0 Biometría corporal @5 37
N21       @1 247
N44 01      @1 OTO
N82       @1 OTO

Format Inist (serveur)

NO : PASCAL 12-0319990 INIST
ET : Estimation of body weight in hospitalized patients
AU : DARNIS (S.); FAREAU (N.); CORALLO (C. E.); POOLE (S.); DOOLEY (M. J.); CHENG (A. C.)
AF : Université Aix Marseille II/Faculté de Pharmacie la Timone/Marseille/France (1 aut.); Faculté de Pharmacie-UPS/Toulouse III/France (2 aut.); Department of Pharmacy, Alfred Hospital/Melbourne 3004/Australie (3 aut., 4 aut., 5 aut.); Faculty of Pharmacy and Pharmaceutical Sciences/Melbourne 3004/Australie (4 aut.); Centre for Medicine Use and Safety, Monash Institute of Pharmaceutical Sciences, Monash University/Melbourne 3004/Australie (5 aut.); Infectious Disease Unit, Alfred Hospital/Melbourne 3004/Australie (6 aut.); Department of Epidemiology and Preventive Medicine, Monash University/Melbourne 3004/Australie (6 aut.)
DT : Publication en série; Niveau analytique
SO : QJM : (Oxford. 1994. Print); ISSN 1460-2725; Royaume-Uni; Da. 2012; Vol. 105; No. 8; Pp. 769-774; Bibl. 16 ref.
LA : Anglais
EA : Aim: To examine the bias and precision of different methods of estimating body mass and height in hospitalized adult patients. Methods: Patients were enrolled at the Alfred and Caulfield hospitals, Melbourne, Australia following verbal consent. Estimates were made using the Lorenz formula (that utilizes height, waist and hip circumference), the Crandell formula (that utilizes height and arm circumference) and visual estimation of weight based on the average results obtained by two pharmacy interns. Statistical error was calculated as the ratio of estimated to actual weight; bias was assessed as the mean error and precision as the proportion of estimates within 10 and 20% of measured weight and standard deviation of the error. Results: In a 5-week period July to August 2010, 198 patients were enrolled. The median age was 64 years (range 19-91) and 52% were female. Thirty-four (17%) patients were obese (BMI >30 kg/m2) and 8 (4%) were underweight (BMI <18 kg/m2). With the Lorenz formula an estimate within 10% was obtained for 56% of patients; with the Crandell formula prediction was poor. Documentation of body weight in notes and patient self-reporting were both accurate. Seventy-two patients (43%) were prescribed one or more drugs for which dosing potentially should be adjusted for body weight. Conclusions: In adult hospitalized patients, the estimation of body weight by anthropomorphic measures is not accurate. This supports the need for equipment to be made widely available to accurately weigh patients directly in hospital, including in unconscious and immobile patients.
CC : 002B01
FD : Estimation; Poids corporel; Hospitalisation; Homme; Malade; Médecine
FG : Biométrie corporelle
ED : Estimation; Body weight; Hospitalization; Human; Patient; Medicine
EG : Corporal biometry
SD : Estimación; Peso corporal; Hospitalización; Hombre; Enfermo; Medicina
LO : INIST-5050.354000504403880070
ID : 12-0319990

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Pascal:12-0319990

Le document en format XML

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<div type="abstract" xml:lang="en">Aim: To examine the bias and precision of different methods of estimating body mass and height in hospitalized adult patients. Methods: Patients were enrolled at the Alfred and Caulfield hospitals, Melbourne, Australia following verbal consent. Estimates were made using the Lorenz formula (that utilizes height, waist and hip circumference), the Crandell formula (that utilizes height and arm circumference) and visual estimation of weight based on the average results obtained by two pharmacy interns. Statistical error was calculated as the ratio of estimated to actual weight; bias was assessed as the mean error and precision as the proportion of estimates within 10 and 20% of measured weight and standard deviation of the error. Results: In a 5-week period July to August 2010, 198 patients were enrolled. The median age was 64 years (range 19-91) and 52% were female. Thirty-four (17%) patients were obese (BMI >30 kg/
<sup>m</sup>
2) and 8 (4%) were underweight (BMI <18 kg/
<sup>m</sup>
2). With the Lorenz formula an estimate within 10% was obtained for 56% of patients; with the Crandell formula prediction was poor. Documentation of body weight in notes and patient self-reporting were both accurate. Seventy-two patients (43%) were prescribed one or more drugs for which dosing potentially should be adjusted for body weight. Conclusions: In adult hospitalized patients, the estimation of body weight by anthropomorphic measures is not accurate. This supports the need for equipment to be made widely available to accurately weigh patients directly in hospital, including in unconscious and immobile patients.</div>
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<s0>Aim: To examine the bias and precision of different methods of estimating body mass and height in hospitalized adult patients. Methods: Patients were enrolled at the Alfred and Caulfield hospitals, Melbourne, Australia following verbal consent. Estimates were made using the Lorenz formula (that utilizes height, waist and hip circumference), the Crandell formula (that utilizes height and arm circumference) and visual estimation of weight based on the average results obtained by two pharmacy interns. Statistical error was calculated as the ratio of estimated to actual weight; bias was assessed as the mean error and precision as the proportion of estimates within 10 and 20% of measured weight and standard deviation of the error. Results: In a 5-week period July to August 2010, 198 patients were enrolled. The median age was 64 years (range 19-91) and 52% were female. Thirty-four (17%) patients were obese (BMI >30 kg/
<sup>m</sup>
2) and 8 (4%) were underweight (BMI <18 kg/
<sup>m</sup>
2). With the Lorenz formula an estimate within 10% was obtained for 56% of patients; with the Crandell formula prediction was poor. Documentation of body weight in notes and patient self-reporting were both accurate. Seventy-two patients (43%) were prescribed one or more drugs for which dosing potentially should be adjusted for body weight. Conclusions: In adult hospitalized patients, the estimation of body weight by anthropomorphic measures is not accurate. This supports the need for equipment to be made widely available to accurately weigh patients directly in hospital, including in unconscious and immobile patients.</s0>
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<s5>09</s5>
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<s5>09</s5>
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<s5>09</s5>
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<s0>Corporal biometry</s0>
<s5>37</s5>
</fC07>
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<s0>Biometría corporal</s0>
<s5>37</s5>
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<fN21>
<s1>247</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
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<s1>OTO</s1>
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<server>
<NO>PASCAL 12-0319990 INIST</NO>
<ET>Estimation of body weight in hospitalized patients</ET>
<AU>DARNIS (S.); FAREAU (N.); CORALLO (C. E.); POOLE (S.); DOOLEY (M. J.); CHENG (A. C.)</AU>
<AF>Université Aix Marseille II/Faculté de Pharmacie la Timone/Marseille/France (1 aut.); Faculté de Pharmacie-UPS/Toulouse III/France (2 aut.); Department of Pharmacy, Alfred Hospital/Melbourne 3004/Australie (3 aut., 4 aut., 5 aut.); Faculty of Pharmacy and Pharmaceutical Sciences/Melbourne 3004/Australie (4 aut.); Centre for Medicine Use and Safety, Monash Institute of Pharmaceutical Sciences, Monash University/Melbourne 3004/Australie (5 aut.); Infectious Disease Unit, Alfred Hospital/Melbourne 3004/Australie (6 aut.); Department of Epidemiology and Preventive Medicine, Monash University/Melbourne 3004/Australie (6 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>QJM : (Oxford. 1994. Print); ISSN 1460-2725; Royaume-Uni; Da. 2012; Vol. 105; No. 8; Pp. 769-774; Bibl. 16 ref.</SO>
<LA>Anglais</LA>
<EA>Aim: To examine the bias and precision of different methods of estimating body mass and height in hospitalized adult patients. Methods: Patients were enrolled at the Alfred and Caulfield hospitals, Melbourne, Australia following verbal consent. Estimates were made using the Lorenz formula (that utilizes height, waist and hip circumference), the Crandell formula (that utilizes height and arm circumference) and visual estimation of weight based on the average results obtained by two pharmacy interns. Statistical error was calculated as the ratio of estimated to actual weight; bias was assessed as the mean error and precision as the proportion of estimates within 10 and 20% of measured weight and standard deviation of the error. Results: In a 5-week period July to August 2010, 198 patients were enrolled. The median age was 64 years (range 19-91) and 52% were female. Thirty-four (17%) patients were obese (BMI >30 kg/
<sup>m</sup>
2) and 8 (4%) were underweight (BMI <18 kg/
<sup>m</sup>
2). With the Lorenz formula an estimate within 10% was obtained for 56% of patients; with the Crandell formula prediction was poor. Documentation of body weight in notes and patient self-reporting were both accurate. Seventy-two patients (43%) were prescribed one or more drugs for which dosing potentially should be adjusted for body weight. Conclusions: In adult hospitalized patients, the estimation of body weight by anthropomorphic measures is not accurate. This supports the need for equipment to be made widely available to accurately weigh patients directly in hospital, including in unconscious and immobile patients.</EA>
<CC>002B01</CC>
<FD>Estimation; Poids corporel; Hospitalisation; Homme; Malade; Médecine</FD>
<FG>Biométrie corporelle</FG>
<ED>Estimation; Body weight; Hospitalization; Human; Patient; Medicine</ED>
<EG>Corporal biometry</EG>
<SD>Estimación; Peso corporal; Hospitalización; Hombre; Enfermo; Medicina</SD>
<LO>INIST-5050.354000504403880070</LO>
<ID>12-0319990</ID>
</server>
</inist>
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