1916; 17:863-871. Body surface area is used to help calculate the most accurate medication dosage for a patient. BSA is a measurement used in many medical tasks. There are several methods available for estimating pediatric dosages, the most commonly used being dosing according to body weight or body surface area (BSA).. Doses are often expressed as mg/kg/day (similar to mg/kg) or mg/kg/dose and accompanied by a frequency of administration that can vary from once daily to every hour. Pediatric Dosage Calculations Pediatric Dosage Calculations Most drugs in children are dosed according to body weight (mg/kg) or body surface area (BSA) (mg/m2). This is the Mosteller formula, although it is not the best for infants and children but it the easiest to remember and execute at the bedside. The participants were 363 children who underwent cardiac surgery from 1991 to 2000. Body Surface Area: DISCLAIMER: All calculations must be confirmed before use. Dubois D, Dubois EF. The authors make no claims of the accuracy of the information contained herein; and these suggested doses are not a substitute for clinical judgement. Estimating Percent Total Body Surface Area in Children Affected by Burns (A) Rule of "nines" (B) Lund-Browder diagram for estimating extent of burns (Adapted from The Treatment of Burns, edition 2, Artz CP and Moncrief JA, Philadelphia, WB Saunders Company, 1969) Author: changf October 317:1098. Pediatric dosage explained. A formula to estimate the approximate surface area if height and weight be known. It is probably not worth the trouble to debate about which formula may or may not be slightly better. CATO - Quality Management for Oncology Therapy. Various Body Surface Area formulas have been developed over the years, originally by Dr.s Du Bois & Du Bois, followed by Gehan and George, Haycock, Boyd and Mosteller. For example, some medications ordered for a pediatric patient may be based on body surface area (BSA) and strong medications such as chemo agents (anticancer medications). Arch Intern Med. Simplified Calculation of Body Surface Area. Nomogram Method . These formulas all give slightly different results. The New England Journal of Medicine published it in the year 1987. The Mosteller formula is considered to be the most common body surface area equation today. We retrospectively compared body surface area (BSA) using the Mosteller formula square root(H x (w/360)) and a simple weight-based BSA formula ([4Wkg+7]/ [90+Wkg]). Used Formula (Mosteller): Cato Software Solutions does not take any responsibility about … Their age ranged from 5 … There were many formulas developed in the past years for calculating the Body Surface Area. New Eng J Med. The Nomogram method is utilized to determine the correct pediatric medication dosage based specifically on the patient's size. 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