*Replacement fluid for 3 rd space (3 rd space amount). *Maintenance fluid requirement (Maintenance (M). *Calculation of pre-existing deficit (Fasting amount (F). The classical formulas for calculation of fluid administrated during neonatal and pediatric surgical operations used by different pediatric anesthetic references and most Anesthetic Text Books 1–4 are as follows: also total blood volume in these patients is limited in amount (80-90 ml/kg). Congenital intestinal obstruction, Imperforated anus, Tracheo-esophageal Fistula(T.E.F) ,Congenital Diaphragmatic Hernia (CDH),…. One of the main anesthetic challenges in these patients is the low birth weight (starting from 2kg or 3kg) especially premature and neonates, with life threatening congenital anomalies (e.g. In all anesthetic department dealing with pediatric and neonatal age groups, most of the patients in this age group present to the surgical theatre for emergency or life threatening surgical operations threatening and in need for urgent surgical interference. Keywords : Pediatric anesthesia New formula Intraoperative fluid Fasting Third space & 17 ml for the 2nd& 3rd hrs of operation time for major operation. The most important point in this new formula, is that it can be summarized by just 2 numbers (22- 17), 22ml/kg for the 1sthr.This new formula is correct, safer, simpler & easily applicable than other formulas.Results: By comparison of this new formula with most of other references and other anesthesia text books fluid formulas regarding this aspect the results is that the difference in the total amounts of fluid requirements per hour was minute and regarded as negligible difference.Ĭonclusion: *This new(RH) formula has been used for years(2005-2015) in neonatal & pediatric anesthetic department in CWTH/ Baghdad Medical City for 5000 neonates, infants & pediatric patients without any complications. *3rd Space replacement: 8 ml/kg/hr for major& super major operations & 4 ml/kg/hr for minor operations.*Maintenance fluid requirements: 4 ml/kg/hr for all weights up to 20 kg.
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