Efficacy and Safety of Ultrasound-Guided Erector Spinae Plane Block at Different Injection Depths for Percutaneous Kyphoplasty: A Randomized Controlled Trial.
Liu; Yu; Gao; Wang; Wang; Xia · 2026 · Drug design, development and therapy
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
To compare the analgesic efficacy and safety of deep, superficial and combined deep-superficial erector spinae plane block (ESPB) combined with subanesthetic-dose esketamine in patients undergoing percutaneous kyphoplasty (PKP). A total of…
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Metadata source: PubMed · DOI 10.2147/dddt.s601168