Abstract:
:Insulin-like growth factor binding protein (IGFBP) 7 may be a critical regulator of memory consolidation. This study was performed to assess the relationship between circulating IGFBP7 levels and postoperative cognition dysfunction (POCD) in patients scheduled for elective head and neck carcinoma surgery under general anesthesia. Among one hundred and two patients included in this study, forty-four patients completed collection of all four blood samples and thirty-five patients were diagnosed with POCD. The results of Mini-Mental State Examination (MMSE) test and enzyme-linked immunosorbent assay showed that postoperative MMSE score and circulating insulin-like growth factor (IGF)-1 level were lower and circulating IGFBP7 level was higher than preoperative level. Circulating IGF-1 level was significantly lower and D-value of preoperative and postoperative day 1 circulating IGFBP7 levels (ΔIGFBP7(1)) was significantly higher in the POCD group. Age preoperative MMSE, IGF-1 level and ΔIGFBP7(1) significantly correlated with POCD, but preoperative IGFBP7 level not. Logistic regression analysis revealed that older patients, lower preoperative MMSE score, IGF-1 level and higher IGFBP7 level significantly increased the risk of POCD, but ΔIGFBP7(1) not. Hence, circulating IGF-1 and IGFBP7 levels and their changes during operation under general anesthesia may correlate with POCD, but further investigation in larger samples is needed.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Jiang J,Chen Z,Liang B,Yan J,Zhang Y,Xu H,Huang Y,Jiang Hdoi
10.1016/j.neulet.2014.12.046subject
Has Abstractpub_date
2015-02-19 00:00:00pages
125-30eissn
0304-3940issn
1872-7972pii
S0304-3940(14)00991-4journal_volume
588pub_type
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