Impact of Increasing BMI on the Success of Neuraxial Blocks in Class III Obese Parturients

Evaluating the Impact of Increasing BMI on the Success of Neuraxial Blocks in Class III Obese Parturients: A Retrospective Cohort Study

This study seeks to compare the success rates, feto-maternal outcomes, and complications associated with different neuraxial blocks in Class III obese parturient undergoing cesarean section

This was a retrospective cohort study. The data was obtained from electronic medical records of the eligible participants.

Inclusion Criteria:

• Age > or equal to 18 years
• BMI ≥ 45 kg/m²
• Gestational age ≥ 28 weeks

Exclusion Criteria:

• Age < 18 years
• BMI < 45 kg/m²
• History of venous thromboembolism or arterial disease (e.g., DVT, PE, angina, MI, or stroke)
• Severe active lung, cardiovascular, renal, or liver disorders; autoimmune disease; or hemoglobinopathies
• Hereditary or acquired thrombophilia (e.g., Factor V Leiden mutation or antithrombin deficiency)
• In utero fetal demise (IUFD)
• Failed operative vaginal delivery
• Cesarean for the second twin or multiple pregnancies (triplets or higher)
• IVF pregnancy
• Intraoperative bleeding>1500mL
• Emergency cesarean section (Category I)
• Presence of large uterine fibroid ≥10 cm