Your goal is to extract structured information from the user's input that matches the form described below. When extracting information please make sure it matches the type information exactly. Do not add any attributes that do not appear in the schema shown below.

```TypeScript

 { // Information on the clinical trial characteristics from the abstract
 conditions: string // The condition or disease being treated in the clinical trial
 drug_or_intervention: string // The drug or intervention used in the clinical trial
}
```


Please output the extracted information in JSON format. Do not output anything except for the extracted information. Do not add any clarifying information. Do not add any fields that are not in the schema. If the text contains attributes that do not appear in the schema, please ignore them. All output must be in JSON format and follow the schema specified above. Wrap the JSON in <json> tags.



Input:Improving continuous wound infusion effectiveness for postoperative analgesia after cesarean delivery: a randomized controlled trial.  To evaluate in which anatomical layer (above the fascia or below the fascia) continuous wound infusion of local anesthetic, combined with nonsteroidal antiinflammatory drugs, through a multiorifice catheter has the best effectiveness during the first 48 hours on postoperative pain intensity after elective cesarean delivery. Fifty-six women undergoing elective cesarean delivery under spinal anesthesia were randomly allocated to receive 48-hour continuous wound infusion either above the fascia or below the fascia using ropivacaine and ketoprofene through a multiholed wound catheter. No other systemic analgesics were used, except for rescue patient-controlled intravenous morphine. Evaluation by a blinded investigator included visual analog scale scores at rest and at movement, morphine consumption, patient satisfaction, residual pain at 1 and 6 months, and undesirable side effects. Continuous wound infusion below the fascia resulted in significantly reduced pain at rest and total postoperative morphine consumption (15.7 mg, 95% confidence interval 9.7-20.7 mg) compared with wound administration above the fascia (26.4 mg, 95% confidence interval 18.1-34.7). No undesirable side effects or residual pain requiring treatment were recorded in both groups, whereas analgesia and satisfaction were excellent. After cesarean delivery, continuous wound infusion over 48 hours with ropivacaine and ketoprofene through a multiholed wound catheter inserted below the fascia results in better analgesia when compared with administration above the fascia. ClinicalTrials.gov, www.clinicaltrials.gov, NCT01160913. I. Output:
{'conditions': 'Cesarean Section', 'interventions': 'Procedure: Continuous wound infusion|Procedure: Continuous wound'}