Enhanced Recovery After Surgery (ERAS) protocols have been shown to accelerate patient recovery across various surgical fields. There are growing reports of the benefits of ERAS for lumbar fusion, but the majority rely on retrospective analysis. This study aimed to prospectively assess the impact of an ERAS protocol on perioperative outcomes in patients undergoing lumbar spinal fusion. Prospective comparative cohort study conducted at a tertiary medical center in Taipei, Taiwan, between November 2020 and May 2023. The study included 242 patients undergoing lumbar spinal fusion for degenerative spinal conditions divided into ERAS and non-ERAS groups. Main outcomes measured included operative duration, estimated blood loss (EBL), postoperative nausea and vomiting (PONV), analgesic use, and visual analog scale (VAS) pain score. Propensity score matching (PSM) was used to minimize confounders between the 2 groups. Differences between the 2 groups were assessed using the 2-sample independent t-test or non-parametric Mann-Whitney U test for continuous variables, and the chi-square test or Fisher's exact test for categorical variables. The ERAS group had significantly shorter operative time (202 ± 68 min vs. 255 ± 85 min) and EBL (480 ± 302 ml vs. 641 ± 387 ml) compared to the non-ERAS group. The ERAS group had significantly less total morphine-sulfate-equivalent (MSE) consumption (27 ± 24 mg vs. 42 ± 42 mg) and used patient-controlled analgesia (PCA) (97% vs. 41%) more frequently compared to the non-ERAS group. Notably, the ERAS group had a shorter time to ambulation and shorter time to removal of Foley catheters. These data suggest that the employed ERAS protocol significantly enhances recovery trajectories and the need for analgesics in patients undergoing lumbar spinal fusion.
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