Crystalloid Versus Colloid Rapid Co-load for Cesarean Delivery Under Spinal Anesthesia

Crystalloid Versus Colloid Rapid Co-load in Parturients Receiving Prophylactic Phenylephrine Infusion During Cesarean Delivery Under Spinal Anesthesia

The study aims to compare crystalloid co-loading and colloid co-loading in parturients receiving prophylactic phenylephrine infusion during cesarean delivery in terms of the incidence of hypotension.

Inclusion Criteria:

• Healthy, full-term parturients who scheduled to undergo elective cesarean delivery under spinal anesthesia.

Exclusion Criteria:

• multiple pregnancy

  • gestational age < 36 weeks

    • preexisting or pregnancy-induced hypertension

      • Morbid cardiovascular impairments

        • Cerebrovascular disease

          ⑥ Known fetal anomaly

          ⑦ Contraindications to spinal anesthesia

          ⑧ Any sign of onset of labor

          ⑨ Body weight < 45 kg or body weight > 90 kg

          ⑩ Height < 145cm or height > 180cm