PMID- 37254205 OWN - NLM STAT- MEDLINE DCOM- 20230601 LR - 20230601 IS - 1749-799X (Electronic) IS - 1749-799X (Linking) VI - 18 IP - 1 DP - 2023 May 30 TI - First clinical experience with posterior lumbar interbody fusion using a thermal-sprayed silver-containing hydroxyapatite-coated cage. PG - 392 LID - 10.1186/s13018-023-03882-7 [doi] LID - 392 AB - BACKGROUND: To investigate the possibility of silver (Ag)-induced adverse events and the degree of bone fusion in posterior lumbar interbody fusion surgery using an Ag-containing hydroxyapatite (HA) lumbar interbody cage. METHODS: An Ag-HA cage consisting of highly osteoconductive HA interfused with Ag was developed, and we applied it clinically at three university-affiliated hospitals from April 2020 to December 2020. During the 12-month postoperative observation period, Ag-related adverse events, neuropathy, and postoperative complications were investigated as indicators of safety, while clinical improvement and the fusion status were investigated as indicators of efficacy. Clinical improvement was defined as improvement beyond the minimum clinically important difference (MCID) in the numerical rating scale (NRS; 1.6) for low back and lower limb pain and the Oswestry Disability Index (ODI; 12.8). RESULTS: We performed lumbar interbody fusion using an Ag-HA cage for 48 patients (female, n = 25; mean age, 67.5 years). The mean preoperative NRS was 6.4 (standard deviation, 1.9), while the mean preoperative ODI was 44 [12]. No adverse effects (i.e., argyria) were identified during the 12-month observation period. Surgical site infection occurred in one case, although the implant was preserved via immediate debridement. In total, 39 (81%) participants showed clinical improvement beyond MCID for both NRS and ODI. Bone fusion was achieved at 45 levels (88%) at 6 months and 48 levels (91%) at 12 months postoperatively. CONCLUSIONS: The results of this study suggest that Ag-HA cages can be safely used in spinal fusion procedures and have the potential to prevent postoperative infections, prevent deterioration of the quality of life, and result in favorable outcomes. Larger-scale and longer-term follow-up studies will be required to corroborate these conclusions. Trial registration UMIN 000039964 (date: April 01, 2020). CI - (c) 2023. The Author(s). FAU - Morimoto, Tadatsugu AU - Morimoto T AD - Department of Orthopedic Surgery, Faculty of Medicine, Saga University, Nabeshima 5-1-1, Saga, Japan. morimot3@cc.saga-u.ac.jp. FAU - Tsukamoto, Masatsugu AU - Tsukamoto M AD - Department of Orthopedic Surgery, Faculty of Medicine, Saga University, Nabeshima 5-1-1, Saga, Japan. FAU - Aita, Katsuhiro AU - Aita K AD - Department of Orthopedic Surgery, Saga Memorial Hospital, Saga, Japan. FAU - Fujita, Nobuyuki AU - Fujita N AD - Department of Orthopedic Surgery, Faculty of Medicine, Fujita Health University, Aichi, Japan. FAU - Mawatari, Masaaki AU - Mawatari M AD - Department of Orthopedic Surgery, Faculty of Medicine, Saga University, Nabeshima 5-1-1, Saga, Japan. LA - eng PT - Journal Article DEP - 20230530 PL - England TA - J Orthop Surg Res JT - Journal of orthopaedic surgery and research JID - 101265112 RN - 3M4G523W1G (Silver) RN - 91D9GV0Z28 (Durapatite) SB - IM MH - Humans MH - Female MH - Aged MH - Treatment Outcome MH - *Silver MH - Durapatite MH - Quality of Life MH - *Spinal Fusion/adverse effects/methods MH - Lumbar Vertebrae/diagnostic imaging/surgery MH - Retrospective Studies PMC - PMC10228124 OTO - NOTNLM OT - Hydroxyapatite OT - Orthopedic fixation devices OT - Silver OT - Spinal diseases OT - Spinal fusion OT - Surgical wound infection COIS- The authors declare that they have no competing interests. EDAT- 2023/05/31 01:09 MHDA- 2023/06/01 06:42 PMCR- 2023/05/30 CRDT- 2023/05/30 23:43 PHST- 2022/09/11 00:00 [received] PHST- 2023/05/26 00:00 [accepted] PHST- 2023/06/01 06:42 [medline] PHST- 2023/05/31 01:09 [pubmed] PHST- 2023/05/30 23:43 [entrez] PHST- 2023/05/30 00:00 [pmc-release] AID - 10.1186/s13018-023-03882-7 [pii] AID - 3882 [pii] AID - 10.1186/s13018-023-03882-7 [doi] PST - epublish SO - J Orthop Surg Res. 2023 May 30;18(1):392. doi: 10.1186/s13018-023-03882-7.