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Subarachnoid block for caesarean section in severe preeclampsia
Sujata Chaudhary1, Rashmi Salhotra
1Department of Anaesthesiology and Critical Care, UCMS and GTB Hospital, Dilshad Garden, Delhi - 110 095, India.
For severe preeclampsia during emergency Cesarean sections, subarachnoid block anesthesia is recommended over general anesthesia when platelet counts exceed 80,000 mm(-3). This approach offers improved hemodynamic stability and better neonatal outcomes.
Area of Science:
- Obstetrics and Gynecology
- Anesthesiology
- Maternal-Fetal Medicine
Background:
- Pregnancy-induced hypertension, including severe preeclampsia, is a significant cause of maternal morbidity and mortality globally.
- Severe preeclampsia presents anesthetic challenges, particularly in emergency Cesarean sections for uninvestigated or partially investigated patients.
Purpose of the Study:
- To review the literature regarding anesthetic choices for Cesarean sections in parturients with severe preeclampsia.
- To evaluate the safety and efficacy of subarachnoid block versus general anesthesia in this high-risk obstetric population.
Main Methods:
- A comprehensive literature search was performed using PubMed, EMBASE, and Google Scholar.
- Included studies focused on parturients with severe preeclampsia undergoing Cesarean delivery, comparing anesthetic techniques.
Main Results:
- Growing evidence supports subarachnoid block when platelet counts are above 80,000 mm(-3).
- Subarachnoid block demonstrates superior hemodynamic stability compared to general anesthesia.
- Lower doses of local anesthetics with additives in subarachnoid block correlate with better neonatal outcomes.
Conclusions:
- Subarachnoid block is a favorable anesthetic option for emergency Cesarean sections in severe preeclampsia, provided adequate platelet count.
- This technique offers advantages in maternal hemodynamic management and neonatal well-being over general anesthesia.
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