Changes of Serum Biochemical Markers during Bone Repair just after Orthognathic Surgery

Kaida, Kiyokazu; Hirashita, Ayao; Suga, Kurando

doi:10.1016/s1349-0079(08)80021-7

Cited by 1 publication

(1 citation statement)

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“…Consistent with our results, a reduction in serum BAP has been reported for 8–10 days followed by a subsequent increase for up to 1–2 months after both orthognathic surgery 25 and fracture 17 . This decrease in serum BAP may be caused by surgical stress decreasing bone turnover or metabolic activity involving bone formation in early postoperative repair.…”

Section: Discussionsupporting

confidence: 92%

Increase in bone metabolic markers and circulating osteoblast-lineage cells after orthognathic surgery

Abe

Chiba

Yaklai

et al. 2019

Sci Rep

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Increased mineralisation rate and bone formation after surgery or fracture is the regional acceleratory phenomenon (RAP), and its systemic impact is the systemic acceleratory phenomenon (SAP). The proportion of circulating osteoblast lineage cells, including osteocalcin-positive (OCN+) cells, in the peripheral blood is markedly higher during pubertal growth and in patients with bone fractures. This study aimed to elucidate the dynamic changes in bone metabolic activity after orthognathic surgery by longitudinal prospective observation. Peripheral venous blood samples were collected from patients who had undergone orthognathic surgery, and serum bone metabolic markers and the proportion of OCN+ cells were measured. Orthognathic surgery induces systemic dynamic changes in bone metabolic activity by targeting steps in the bone healing process and related proteins, such as surgical stress/inflammation (C-reactive protein), bone resorption (type I collagen C-telopeptide), and bone formation (alkaline phosphatase and bone-specific alkaline phosphatase). During the early post-operative period, the population of OCN+ cells significantly increased. Confocal microscopy revealed that OCN proteins were localised in the cytoplasm in Triton X-100-treated OCN+ cells. Furthermore, OCN, ALP, and COL1A1 gene expression was detected in OCN+ cells, suggesting the contribution of the local maturation of bone marrow-derived OCN+ cells at the site of bone healing.

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Section: Discussionsupporting

confidence: 92%