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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03057naa a2200325 4500 | |
| 001 | oai:DiVA.org:liu-97670 | |
| 003 | SwePub | |
| 008 | 130919s2013 | |||||||||||000 ||eng| | |
| 009 | oai:prod.swepub.kib.ki.se:223239678 | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-976702 URI |
| 024 | 7 | a http://kipublications.ki.se/Default.aspx?queryparsed=id:2232396782 URI |
| 040 | a (SwePub)liud (SwePub)ki | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Hahn, Robertu Karolinska Institutet,Östergötlands Läns Landsting,Linköpings universitet,Avdelningen för läkemedelsforskning,Hälsouniversitetet,Anestesi- och operationkliniken US4 aut0 (Swepub:liu)robha40 |
| 245 | 1 0 | a An Aggregate Urine Analysis Tool to Detect Acute Dehydration |
| 264 | 1 | b Human Kinetics,c 2013 |
| 338 | a print2 rdacarrier | |
| 520 | a PURPOSE:Urine sampling has previously been evaluated for detecting dehydration in young male athletes. The present study investigated whether urine analysis can serve as a measure of dehydration in men and women of a wide age span.METHODS:Urine sampling and body weight measurement were undertaken before and after recreational physical exercise (median time: 90 minutes) in 57 volunteers aged between 17 and 69 years (mean age: 42). Urine analysis included urine color, osmolality, specific gravity, and creatinine.RESULTS:The volunteers' body weight decreased 1.1% (mean) while they exercised. There were strong correlations between all four urinary markers of dehydration (r = 0.73 to 0.84, P < 0.001). Researchers constructed a composite dehydration index graded from 1 to 6 based on these markers. This index changed from 2.70 before exercising to 3.55 after exercising, which corresponded to dehydration of 1.0% as given by a preliminary reference curve based on seven previous studies in athletes. Men were slightly dehydrated at baseline (mean: 1.9%) compared to women (mean: 0.7%; P < 0.001), while age had no influence on the results. A final reference curve that considered both the present results and the seven previous studies was constructed in which exercise-induced weight loss (x) was predicted by the exponential equation x= 0.20 dehydration index.CONCLUSION:Urine sampling can be used to estimate weight loss due to dehydration in adults up to the age of 70 years. A robust dehydration index based on four indicators reduces the influence of confounders. | |
| 653 | a urine color | |
| 653 | a osmolality | |
| 653 | a creatinine | |
| 653 | a specific gravity | |
| 700 | 1 | a Waldréus, Nanau Södertälje Hospital, Sweden4 aut |
| 710 | 2 | a Linköpings universitetb Avdelningen för läkemedelsforskning4 org |
| 773 | 0 | t International Journal of Sport Nutrition & Exercise Metabolismd : Human Kineticsg 23:4, s. 303-311q 23:4<303-311x 1526-484Xx 1543-2742 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-97670 |
| 856 | 4 8 | u http://kipublications.ki.se/Default.aspx?queryparsed=id:223239678 |
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