Department of Anesthesiology Beijing Hospital National Center of Gerontology Beijing 100730 China;
Department of Anesthesiology Beijing Hospital National Center of Gerontology Beijing 100730 China;
Department of Anesthesiology Beijing Hospital National Center of Gerontology Beijing 100730 China;
Department of Anesthesiology Beijing Hospital National Center of Gerontology Beijing 100730 China;
Department of Anesthesiology Beijing Hospital National Center of Gerontology Beijing 100730 China;
Erector spinae plane block; Analgesia; Opioids; Lumbar spine surgery;