Perbandingan Efektivitas Blok Erector Spinae Plane (ESP) dengan Anestesia Spinal sebagai Teknik Anestesia dan Analgesia pada Pembedahan Percutaneous Nephrolitotomy (PCNL): Analisis Konversi Anestesi Umum, Kadar IL-6, Nyeri Pascabedah, dan
Konsumsi Opioid = Comparison between erector spinae and spinal block as an anesthetic and analgesia technique in percutaneous nephrolitotomy: analysis of general anesthesia conversion, IL-6 level, postoperative pain, and opioid consumption