{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T10:59:47Z","timestamp":1773745187000,"version":"3.50.1"},"reference-count":13,"publisher":"British Editorial Society of Bone & Joint Surgery","issue":"4","license":[{"start":{"date-parts":[[2010,4,1]],"date-time":"2010-04-01T00:00:00Z","timestamp":1270080000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/online.boneandjoint.org.uk\/TDM"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Bone and Joint Surgery. British volume"],"published-print":{"date-parts":[[2010,4]]},"abstract":"<jats:p> The post-operative changes in the serum levels of CRP and serum amyloid A (SAA) were investigated prospectively in 106 patients after posterior lumbar interbody fusion. In 96 patients who did not have complications related to infection within the first year after operation, the median levels of CRP before operation and on days 3, 7 and 13 after were 0.02 (0.01 to 0.03), 9.12 (2.36 to 19.82), 1.64 (0.19 to 6.10) and 0.53 (0.05 to 2.94) mg\/dl, respectively and for SAA, 2.6 (2.0 to 3.8), 1312.1 (58.0 to 3579.8), 77.3 (1.8 to 478.4), 14.1 (0.5 to 71.9) \u03bcg\/ml, respectively. The levels on day 3 were the highest for both CRP and SAA and significantly decreased (p &lt; 0.01) by day 7 and day 13. <\/jats:p><jats:p> In regard to CRP, no patient had less than the reference level (0.1 mg\/dl) on day 7. In only three had the level decreased to the reference level, while in 93 it was above this on day 13. However, for SAA, the levels became normal on day 7 in 10 cases and on day 13 in 34 cases. The ratios relative to the levels on day 3 were significantly lower for SAA compared with CRP on day 7 and day 13. Of the ten patients with infection in the early stages, the level of CRP decreased slightly but an increase in SAA was observed in six. <\/jats:p><jats:p> We concluded that SAA is better than CRP as a post-operative inflammatory marker. <\/jats:p>","DOI":"10.1302\/0301-620x.92b4.22807","type":"journal-article","created":{"date-parts":[[2010,3,31]],"date-time":"2010-03-31T23:23:48Z","timestamp":1270077828000},"page":"555-559","source":"Crossref","is-referenced-by-count":23,"title":["The usefulness of serum amyloid A as a postoperative inflammatory marker after posterior lumbar interbody fusion"],"prefix":"10.1302","volume":"92-B","author":[{"given":"M.","family":"Deguchi","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Nagano Red Cross Hospital, 5-22-1 Wakasato, Nagano 380-8582, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R.","family":"Shinjo","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Nagano Red Cross Hospital, 5-22-1 Wakasato, Nagano 380-8582, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Y.","family":"Yoshioka","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Nagano Red Cross Hospital, 5-22-1 Wakasato, Nagano 380-8582, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H.","family":"Seki","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Nagano Red Cross Hospital, 5-22-1 Wakasato, Nagano 380-8582, Japan."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"42","reference":[{"key":"R1","doi-asserted-by":"crossref","unstructured":"Shih LY, Wu JJ, Yang DJ. 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