![]() *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.*Pre existing deficit (Fasting): 20 ml/kg this amount is divided over 3 hours: ½ the amount given in the 1sthour of operation and ¼ the amount is given for each the 2nd& 3rd hours of operations.Methods: In this new formula intra operative fluid requirements calculated as: Patients: (5000 Patients) including neonates, infants & pediatric age group presented to CWTH/Medical city/Baghdad for different types of surgical operations were enrolled in this study divided to 3 groups (Group A) Life threatening and emergency conditions 2300 patients, (Group B) Major& super major elective operations 700 patients & (Group C) Different types of minor to moderate elective surgical operations 2000 patients. Introduction: A new formula(RH) for calculation of intra operative fluids given in neonatal & pediatric life threatening surgical operations from 1 kg – 2o kg body weight (or 1 day – 5 yrs age) was explained in this study.Īim of the Study : To find a simple, correct, & easily applicable formula to avoid any unwanted dangerous faults in calculation of fluid requirements in all types of neonatal& pediatric surgical operations from 1 kg – 20 kg body weight (or 1 day – 5 years age) especially for juniors or early post graduated doctors dealing with these age group (or weights).
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