Hyperbaric bupivacaine for spinal anesthesia in cesarean section.

Area of Science:

• Anesthesiology
• Obstetrics

Background:

• Spinal anesthesia is commonly used for cesarean sections.
• Optimizing anesthetic techniques for cesarean delivery is crucial for maternal and infant well-being.

Purpose of the Study:

• To evaluate the efficacy and safety of a reduced dose of 0.5% hyperbaric bupivacaine for spinal anesthesia in elective cesarean sections.
• To assess the incidence of hypotension and motor function recovery with this technique.

Main Methods:

• A prospective study involving 22 patients undergoing elective cesarean section.
• Administration of 7.5-10 mg of 0.5% hyperbaric bupivacaine with immediate head-down tilt.
• Monitoring of sensory block level, motor function, and maternal hemodynamics.

Main Results:

• Mean sensory block level reached T3 within 10-15 minutes.
• Complete regression of analgesia occurred in approximately 258 minutes.
• Hypotension incidence was low at 4.5%, with rapid motor function recovery (<2.5 hours) in all patients.
• No serious maternal complications or adverse effects on infant Apgar scores were observed.

Conclusions:

• A reduced dose of 0.5% hyperbaric bupivacaine combined with head-down tilt is an effective and safe spinal anesthetic technique for cesarean sections.
• This approach offers a favorable safety profile, characterized by low hypotension rates and prompt motor recovery.