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:: Volume 5, Issue 4 (Quarterly 2002) ::
Feyz 2002, 5(4): 28-33 Back to browse issues page
Evaluation of plasma osmolality using direct method and its measurement in infants under fluid therapy
Mahdi Nematbakhsh , Mehnoush Haji Heydari , Zahra Abdyazdan , Mehri Golchin , Nepton Solltani , Sayed Hossein Samarian , Ghasem Yadgarfar , Hasan Ali Soltani , Mina Toutonchi
Abstract:   (21957 Views)

History and Objectives: Considering the significance of plasma osmolality as an appropriate indicator of water and electrolyte balance, its importance as a stimulus and the extent of its difference with real osmolality, this study was carried out to determine plasma osmolality and its measurement in infants under fluid therapy in selected hospitals in Isfahan.

Materials and Methods: The cross-sectional protocol of this study was carried out on 45 infants at an age of 1-10 days in wards of special care for infants. Plasma osmolality was measured using direct method and also through measuring sodium, potassium, glucose and BUN concentrations. Then, paired t-test was applied regarding weight and degree of attention.

Results: The measured osmolality was 260.57±1.84 mosmol/kg and was significantly different from the predicted one. These findings were also correct for infants with weights higher than 2500g.

Conclusion and Recommendations: The above-mentioned method can correctly measure plasma osmolality as direct method. It is concluded to use in order of importance direct method and then mathematical method for measurement of plasma osmolality.

Keywords: Plasma osmolality, Infants, Fluid therapy, Paraclinical tests
Full-Text [PDF 1209 kb]   (2603 Downloads)    
Type of Study: Research | Subject: General
Received: 2008/11/10 | Published: 2002/01/15
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Nematbakhsh M, Haji Heydari M, Abdyazdan Z, Golchin M, Solltani N, Samarian S H, et al . Evaluation of plasma osmolality using direct method and its measurement in infants under fluid therapy . Feyz 2002; 5 (4) :28-33
URL: http://feyz.kaums.ac.ir/article-1-346-en.html

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Volume 5, Issue 4 (Quarterly 2002) Back to browse issues page
مجله علوم پزشکی فیض Feyz Medical Sciences Journal
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