甘肃中医药大学针灸推拿学院,甘肃省兰州市定西东路35号,730000
yanxingke@126.com
收稿:2023-05-24,
修回:2023-08-23,
纸质出版:2023-10-17
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叶钰娟,贾静,孙燕等.针刺对屈光参差性弱视患儿脑部what视觉通路功能连接改变的影响[J].中医杂志,2023,64(20):2101-2108.
YE Yujuan,JIA Jing,SUN Yan,et al.Effects of Acupuncture on Functional Connectivity Changes of What Visual Pathway in the Brain in Children with Monocular Refractive Amblyopia[J].Journal of Traditional Chinese Medicine,2023,64(20):2101-2108.
叶钰娟,贾静,孙燕等.针刺对屈光参差性弱视患儿脑部what视觉通路功能连接改变的影响[J].中医杂志,2023,64(20):2101-2108. DOI: 10.13288/j.11-2166/r.2023.20.010.
YE Yujuan,JIA Jing,SUN Yan,et al.Effects of Acupuncture on Functional Connectivity Changes of What Visual Pathway in the Brain in Children with Monocular Refractive Amblyopia[J].Journal of Traditional Chinese Medicine,2023,64(20):2101-2108. DOI: 10.13288/j.11-2166/r.2023.20.010.
目的
2
基于静息态功能磁共振(rs-
f
MRI)探讨针刺干预对屈光参差性弱视患儿的疗效及可能的脑功能机制。
方法
2
76例屈光参差性弱视患儿随机分为常规组和针刺组各38例。常规组患儿弱视眼给予红闪、光栅、视刺激3项常规治疗,每项每次5 min;针刺组在常规组治疗基础上,针刺双侧睛明、攒竹、光明、风池,每次留针20 min。两组均隔日治疗1次,每周治疗3次,共治疗4周。治疗前后比较两组患儿矫正视力。从以上两组各随机抽取15例左侧屈光参差性弱视患儿,于治疗前后分别行脑部rs-
f
MRI扫描,并纳入性别、年龄与其相匹配的视力正常健康儿童10例为正常组,并行脑部rs-
f
MRI扫描。基于激活似然估算法(ALE)构建what视觉通路网络,比较分析患儿与正常儿童、两组患儿治疗前后脑部what通路内存在功能连接(FC值)差异的球形感兴趣区(ROI)。
结果
2
针刺组脱落2例,最终针刺组36例、常规组38例纳入分析。与治疗前相比,两组患儿治疗后最佳矫正视力均显著提高(
P
<0.05),且针刺组矫正视力高于常规组(
P
<0.05)。rs-
f
MRI检测结果显示,与正常儿童相比,屈光参差性弱视患儿脑部what通路内初级视皮层与右侧梭状回,左侧舌回与右侧梭状回,右侧枕下回与右侧颞中回的FC值显著升高(
P
<0.05)。与常规组治疗前相比,治疗后左侧舌回、右侧枕下回与右侧梭状回,左侧舌回与右侧颞中回、左右侧枕中回,左右侧枕中回与右侧枕下回的FC值显著降低(
P
<0.05)。针刺组与治疗前相比,治疗后右侧舌回与右侧梭状回、初级视皮层与右侧颞中回的FC值显著升高(
P
<0.05),左侧枕下回与右侧颞中回,左侧舌回与右侧枕中回的FC显著降低(
P
<0.05)。治疗后两组间相比,针刺组左侧枕下回与右侧梭状回之间的FC显著高于常规组(
P
<0.05),左侧枕中回与左右枕下回的FC显著低于常规组(
P
<0.05)。
结论
2
针刺可显著提高屈光参差性弱视儿童的矫正视力,其效应机制可能侧重调节what通路内枕颞叶间功能连接,从而改善患儿形色觉视功能和视觉学习记忆能力。
Objective
2
To explore the efficacy of acupuncture intervention for children with monocular refractive-parallax amblyopia and the possible mechanisms of brain function based on resting-state functional magnetic resonance (rs-
f
MRI).
Methods
2
Seventy-six children with anisometropic amblyopia were randomly divided into routine treatment group (38 cases) and acupuncture treatment group (38 cases). In the conventional group, the children were given three regular treatments of red flash, grating and visual stimulation for 5 mins each time; in the acupuncture group, on the basis of the conventional treatment, the children were given acupuncture for 20 mins each time on bilateral Jingming (BL 1), Cuanzhu (BL 2), Guangming (GB 37) and Fengchi (GB 20); the children in both groups were treated once every other day and three times a week for 4 weeks. The corrected visual acuity was compared between groups before and after treatment. Fifteen children with left-sided refractive amblyopia were randomly selected from each of the above two groups and underwent brain rs-fMRI scans before and after treatment, and 10 healthy children with normal visual acuity of the matched gender and age were included in the normal group and underwent brain rs-fMRI scans. Based on the activation likelihood estimation (ALE) method, we constructed the what visual pathway network, and compared and analyzed the spherical regions of interest (ROIs) of the children with normal children, and both groups of children with differences in functional connectivity (FC values) within the what pathway in the brain before and after treatment.
Results
2
Two cases dropout in the acupuncture group, and finally 36 cases in the acupuncture group and 38 cases in the conventional group were included in the analysis. Compared with before treatment, the best corrected visual acuity of amblyopia in both groups was significantly improved after treatment (
P
<0.05), and the improvement of vision in the acupuncture group was significantly better than that in the conventional group (
P
<0.05). The results of rs-
f
MRI showed that the FC values of the primary optic cortex and the right fusiform gyrus, the left lingual gyrus and the right fusiform gyrus, and the right infraoccipital gyrus and the right middle temporal gyrus were significantly elevated in the brain of the refractive amblyopia children with the whitepathic amblyopia, compared with that of the normal children (
P
<0.05). The FC values of the left lingual gyrus, the right suboccipital gyrus with the right fusiform gyrus, the left lingual gyrus with the right middle temporal gyrus, the right and left lateral middle occipital gyrus, and the right and left lateral middle occipital gyrus with the right suboccipital gyrus were significantly (
P
<0.05) lower in the conventional group compared with those in the conventional group before treatment. Compared with that before acupuncture treatment, the FC values of the right lingual gyrus and the right fusiform gyrus, the primary visual cortex and the right middle temporal gyrus increased significantly after acupuncture treatment (
P
<0.05), and the FC values of the left inferior occipital gyrus and the right middle temporal gyrus, the FC values of the left lingual gyrus and the right middle occipital gyrus decreased significantly (
P
<0.05). Compared between groups after treatment, the FC between the left suboccipital gyrus and the right fusiform gyrus in the acupuncture group was significantly higher than that in the conventional group (
P
<0.05), and the FC between the left middle occipital gyrus and the right and left suboccipital gyrus was significantly lower than that in the conventional group (
P
<0.05).
Conclusion
2
Acupuncture can significantly improve the corrected vision of anisometropic amblyopic children, and its effect mechanism may focus on regulating the occipito-temporal interlobular functional connectivity within the what pathway, thus improving the children's visual function of shape and color vision and visual learning and memory ability.
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