腰骶部应力和年龄可能导致骨盆入射角增加：对1625名成年人的分析
Lumbosacral stress and age may contribute to increased pelvic incidence: an analysis of 1625 adults.
作者信息
Bao Hongda, Liabaud Barthelemy, Varghese Jeffrey, Lafage Renaud, Diebo Bassel G, Jalai Cyrus, Ramchandran Subaraman, Poorman Gregory, Errico Thomas, Zhu Feng, Protopsaltis Themistocles, Passias Peter, Buckland Aaron, Schwab Frank, Lafage Virginie
机构信息
Nanjing Drum Tower Hospital, Nanjing University, Nanjing, China.
Hospital for Special Surgery, 535 East 70th Street, Belaire 4-E, New York, NY, 10021, USA.
出版信息
Eur Spine J. 2018 Feb;27(2):482-488. doi: 10.1007/s00586-017-5324-z. Epub 2017 Oct 12.
PURPOSE
While there is a consensus that pelvic incidence (PI) remains constant after skeletal maturity, recent reports argue that PI increases after 60 years. This study aims to investigate whether PI increases with age and to determine potential associated factors.
METHODS
1510 patients with various spinal degenerative and deformity pathologies were enrolled, along with an additional 115 asymptomatic volunteers. Subjects were divided into six age subgroups with 10-year intervals.
RESULTS
PI averaged 54.1° in all patients. PI was significantly higher in the 45-54-year age group than 35-44-year age group (55.8° vs. 49.7°). There were significant PI differences between genders after age 45. Linear regression revealed age, gender and malalignment as associated factors for increased PI with R of 0.22 (p < 0.001).
CONCLUSIONS
PI is higher in female patients and in older patients, especially those over 45 years old. Spinal malalignment also may have a role in increased PI due to increased L5-S1 bending moment.
目的
虽然人们普遍认为骨盆入射角（PI）在骨骼成熟后保持恒定，但最近的报告认为PI在60岁后会增加。本研究旨在调查PI是否随年龄增长而增加，并确定潜在的相关因素。
方法
招募了1510例患有各种脊柱退行性和畸形病变的患者，以及另外115名无症状志愿者。受试者被分为六个年龄亚组，间隔为10年。
结果
所有患者的PI平均为54.1°。45 - 54岁年龄组的PI显著高于35 - 44岁年龄组（55.8°对49.7°）。45岁以后，PI在性别之间存在显著差异。线性回归显示年龄、性别和排列不齐是PI增加的相关因素，R为0.22（p < 0.001）。
结论
女性患者和老年患者，尤其是45岁以上的患者，PI较高。由于L5 - S1弯矩增加，脊柱排列不齐也可能在PI增加中起作用。
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