To determine the effectiveness of prophylactic intravenous calcium chloride administered after cord clamping in reducing postpartum blood loss during intrapartum cesarean section.
After approval from the hospital's ethical review committee, written informed consent will be obtained from all participants. Baseline characteristics such as age, parity, gestational age, height, and weight for body mass index will be documented. A total of 182 women will be randomly allocated into two equal groups (91 each) using the lottery method. Group A will receive 1 g of intravenous calcium chloride diluted in 100 mL of normal saline, administered over 10 minutes beginning one minute after cord clamping, in addition to standard oxytocin therapy (10 IU intravenous bolus followed by 20 IU infusion). Group B will receive standard care with oxytocin alone.Quantitative blood loss will be calculated using the gravimetric method. All surgical swabs, drapes, and pads will be weighed immediately after use, and their pre-determined dry weights will be subtracted to obtain the net blood loss, with the assumption that 1 g of weight gain is equivalent to 1 mL of blood. Blood collected in suction containers will also be measured. Adjustment for amniotic fluid will be made by recording the volume of clear amniotic fluid suctioned immediately after uterine incision and before placental delivery, which will then be subtracted from the total suction volume. Each weighed item and suction measurement will be labeled sequentially according to the patient's study ID at the time of surgery. The labeling and confirmation will be carried out by a consultant obstetrician with more than five years of experience, in collaboration with the researcher, at the end of the procedure.All data will be recorded using a predefined proforma.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
182
Group A will receive 1 g of intravenous calcium chloride diluted in 100 mL of normal saline, administered over 10 minutes beginning one minute after cord clamping, in addition to standard oxytocin therapy (10 IU intravenous bolus followed by 20 IU infusion).
Group B will receive standard care with oxytocin alone.
Pak Emirates Military Hospital
Rawalpindi, Punjab Province, Pakistan
Blood Loss
Quantitative blood loss will be calculated using the gravimetric method. All surgical swabs, drapes, and pads will be weighed immediately after use, and their pre-determined dry weights will be subtracted to obtain the net blood loss, with the assumption that 1 g of weight gain is equivalent to 1 mL of blood. Blood collected in suction containers will also be measured. Adjustment for amniotic fluid will be made by recording the volume of clear amniotic fluid suctioned immediately after uterine incision and before placental delivery, which will then be subtracted from the total suction volume. Each weighed item and suction measurement will be labeled sequentially according to the patient's study ID at the time of surgery.
Time frame: 24 hours
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