Comparison of Two Analgesic Strategies After Scheduled Caesarean

Interventional, comparative, randomized, controlled study versus reference therapeutic strategy, in 2 parallel groups, double-blind (patient and evaluator), single-center, aiming to demonstrate the superiority of ropivacaine in square lumbar block versus intrathecal morphine, on the efficacy of post-operative analgesia, following a scheduled caesarean.

Inclusion criteria

• Patient to undergo a scheduled caesarean under spinal anesthesia, for the birth of a term baby with a Pfannenstiel-type incision;
• Patient in good health ;
• Patient able to understand the information related to the study, read the information leaflet and agree to sign the consent form.

Exclusion criteria

• Pregnancy less than 37 weeks with amenorrhea;
• Multiple pregnancy;
• Fetal pathology known at the time of inclusion;
• Body mass index> 45 kg / m²;
• History of scoliosis or spine surgery;
• History of chronic pain associated with taking opiates, neuropathic pain, neurological pathology;
• Preoperative anemia (blood hemoglobin <9 g / dL);
• Hypersensitivity to ropivacaine or other local anesthetics with amide bond;
• Hypersensitivity to morphine or opioids;