儿童四叠体池蛛网膜囊肿临床特点及疗效分析：一项定量回顾性研究

刘美伶, 包磊, 闵令钊, 魏嘉, 华丽, 王晓强

Clinical characteristics and surgical outcome analysis of quadrigeminal cistern arachnoid cysts in children: a quantitative retrospective cohort study

Liu Meiling, Bao Lei, Min Lingzhao, Wei Jia, Hua Li, Wang Xiaoqiang

表4 不同QAC体积组术前术后体积、Evan指数及变化率比较

Tab 4 Comparison of pre- and postoperative volume， Evans index， and rates of change between different QAC volume groups

Item All <50 000 mm3 ≥50 000 mm3 P value Evans Preoperative 0.29 (0.24, 0.48) 0.25 (0.24, 0.29) 0.48 (0.30, 0.54) 0.009 At 3 months postoperatively 0.28 (0.24, 0.44) 0.26 (0.22, 0.29) 0.44 (0.28, 0.50) 0.011 At 12 months postoperatively 0.28 (0.25, 0.41) 0.28 (0.25, 0.32) 0.33 (0.24, 0.42) 0.870 At 24 months postoperatively 0.33±0.09 0.34±0.11 0.32±0.07 0.688 Volume of QAC Preoperative 33 456 (15 022, 138 478) 16 706 (11 885, 28 935) 152 793 (136 120, 162 238) <0.001 At 3 months postoperatively 16 982 (9 166, 66 872) 11 624 (7 407, 16 416) 103 000 (59 706, 127 387) <0.001 At 12 months postoperatively 29 020 (11 646, 63 938) 17 594 (10 686, 47 258) 66155 (26 529, 132 130) 0.193 At 24 months postoperatively 62 669±48 573 41 521±23 453 83 818±60 335 0.202 Evans change rate At 3 months postoperatively 0.03±0.08 0.02±0.07 0.05±0.10 0.407 At 12 months postoperatively 0 (-0.04, 0.14) -0.04 (-0.16, -0.01) 0.15 (0.08, 0.18) 0.003 At 24 months postoperatively 0.09 (-0.04, 0.26) -0.04 (-0.40, -0.03) 0.26 (0.26, 0.31) 0.016 Volume change rate At 3 months postoperatively 0.36 (0.15, 0.50) 0.33 (0.10, 0.51) 0.36 (0.20, 0.48) 0.657 At 12 months postoperatively 0.26 (-0.02, 0.60) 0.11 (-0.34, 0.30) 0.49 (0.26, 0.81) 0.104 At 24 months postoperatively 0.22 (-0.21, 0.31) -0.29 (-0.37, 0.04) 0.32 (0.26, 0.77) 0.028