Risk factors of masticatory dysfunction among patients undergoing cranioplasty
Tang Ke
Zhao Yaqun
Zhou Jing'an
Zhou Qing
Liu Ce
Abstract：Objective To evaluate risk factors of postoperative injury of masticatory function.Methods The clinical data of 112 cases undergoing cranioplasty for calvarial defects following decompressive craniotomy in the 309 hospital of PLA from January 2008 to December 2012 were analyzed retrospectively; gender,age,area of defect,duration of defect and surgical approach were analyzed as influencing factors.Masticatory function at one month after cranioplasty was evaluated by Visual Analogue Scale; Pearson Chi-square test was employed to select risk factors for masticatory dysfunction.Non-condition logistic regression analysis was employed to define the independent risk factors.Results There were 43 cases (38.4％) of postoperative masticatory dysfunction at one month following cranioplasty.Age ＜ 40 years was significantly related to postoperative masticatory fatigue [yes 23.0％ (17/74) versus no 77.0％ (57/74),x2 =5.625,P =0.018] and pain [yes 24.3％ (18/74) versus no 75.7 ％ (56/74),x2 =7.482,P =0.006].Area of defect ≥ 60 cm2 was significantly related to postoperative masticatory fatigue [yes 72.4％ (21/29) versus no 27.6％ (8/29),x2 =32.739,P =0.000] and pain [yes 69.0％ (20/29) versus no 31.0％ (9/29),x2 =22.836,P =0.000].Duration of defect ≥ 1 year was significantly related to postoperative masticatory fatigue [yes 86.7％ (26/30) versus no 13.3 ％ (4/30),x2 =61.454,P =0.000] and pain [yes 80.0％ (24/30) versus no 20.0％ (6/30),x2 =40.854,P =0.000].Area and duration of defect were independent risk factors for patients suffering masticatory muscle fatigue [area of defect (OR =11.179,95％ CI:2.572-48.582,P＜0.01) ; duration of defect (OR=51.741,95％CI:12.27-218.25,P＜0.01)] and pain [area of defect (OR =3.921,95％ CI:1.23-12.52,P ＜ 0.05) ; duration of defect (OR =14.388,95％ CI:4.65-44.53,P ＜0.01)] respectively by non-condition Logistic regression analysis.Conclusions Early cranioplasty following decompressive craniotomy is helpful to protect patient's masticatory function.Attention should be paid to patients with large area of defect to enhance masticatory functional exercise postoperatively.
Keywords：Calvarial defectsCranioplastyMasticatory functionRisk factorsPrognosis
Publication Date：2014-12-30
Online Publishing Date：2026-09-14(First online date of this platform, not the publication date of the document)
Pages：5( 1780-1784 )