Anticoagulation, Minimally Invasive, Spinal Anesthesia
Conditions
Keywords
spinal anesthesia, anticoagulation, minimally invasive, Cesarean Section, Maternal
Brief summary
Spinal canal anesthesia is marked the most commonly used method of cesarean section. Traditional spinal anesthesia may cause post-dural puncture headache and low back pain.Plenty of parturients are undergoing anticoagulation therapy.They may be forced to accept general anesthesia in order to avoid epidural hematoma.Therefore, we propose minimally invasive spinal anesthesia.
Detailed description
Traditional group patients will receive cutting type 22 gauge needles, while minimally invasive group patients will receive pen type 27 gauge needles.Patients will be blinded to the intervention allocations. Spinal anesthesia will be performed with a standardized technique. Lumbar puncture will be performed through an interspace (L3-4 or L2-3) with patients in a lateral decubitus position. After free flow of cerebrospinal fluid through the needle tip be verified, 2ml ropivacaine will be injected. We will record puncture situation, anesthesia plane and measure post-dural puncture headache, post-operative back pain and epidural hematoma.
Interventions
minimally invasive group patients will receive pen type 27 gauge needles.
traditional group patients will receive cutting type 22 gauge needles.
Sponsors
Study design
Eligibility
Inclusion criteria
1. puerpera accept anticoagulation therapy 2. American society of anesthesiologists(ASA) classification I to II level 3. Willing to participate in this study and signed an informed consent 4. pregnancy at least 37 weeks
Exclusion criteria
1. platelet count less than 50\*100000000 2. International Normalized Ratio more than 1.5 3. site of puncture with infection 4. with intracranial hypertension 5. with lumbar spine or spinal cord disorders
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual analogue score of post-dural puncture headache | 1 to 7 days after operation |
Secondary
| Measure | Time frame |
|---|---|
| Visual analogue score of low back pain | 1 to 7 days after operation |
Countries
China