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Abstract
Objective. This research was developed to investigate the effect of magnetic resonance imaging (MRI) analysis based on neural network algorithm for cervical ligation in the treatment of cervical insufficiency. Methods. 44 patients who were suspected to be pregnant with cervical insufficiency and needed cervical ligation were selected. MR imaging analysis was performed before cervical ligation. MR images were analyzed based on the back propagation neural network (BPNN) algorithm, and patients were randomly divided into experimental group and control group. Preoperative MRI analysis was performed in the experimental group, while simple transvaginal ultrasonography was used to diagnose cervical insufficiency in the control group. Then, postoperative fetal preservation time, vaginal bleeding rate, and infection rate within one week after surgery were compared between the two groups. Results. Based on experience and experimental testing, the relevant parameters were set as follows. The number of particles n = 50, the inertia weight ω = 0.9, and c1 = c2 = 2. The weight range of the output layer of the neural network was [−1, 1], the target error e = 10−5, and the maximum number of iteration steps was 3,000. Compared with the control group, the experimental group’s postoperative bleeding rate and infection probability were substantially reduced, while the normal delivery rate was substantially increased ( P < 0.05 ). Conclusion. MR image analysis based on neural network algorithm played an important role in cervical cerclage surgery. The image map showed the local anatomy clearly, increasing the success rate of the operation and improving the prognosis of the patient.
Highlights
Cervical insufficiency is known as cervical atresia and cervical relaxation
Cervical ligation is currently the only method and effective means for the treatment of cervical cancer uterine [7]. e cervical cerclage is to strengthen the tension of the cervical canal as much as possible to prevent the extension of the lower uterine segment and the dilatation of the cervical orifice, so as to assist the cervical orifice in bearing the gravity of the fetus and fetal appendages in late pregnancy
0 Experimental group clear, the recognized causes include congenital uterine abnormalities, acquired labor induction history, gynecological inflammation, and history of cervical surgery. All these will lead to the gradual loss of sphincter function in the cervical isthmus, which eventually become pathological cervical relaxation [8]. e mechanism of cervical ligation is mainly increasing the tension of the cervical canal to prevent the dilation of the cervix and the extension of the lower part of the uterus, and the operation can help the cervix to share some pressure load brought by the fetus [15]
Summary
Cervical insufficiency is known as cervical atresia and cervical relaxation. Patients with cervical insufficiency have reduced cervical fibrous tissue, elastic fiber, smooth muscle, and other tissues. The function of the isthmic sphincter may decline due to the fracture of cervical fibrous tissue, causing pathological dilation or relaxation of the cervical opening [1,2,3]. In patients with cervical insufficiency, the clinical condition of painless cervical dilation observed before the first full month after pregnancy is most likely to cause miscarriage in 0.1–2% [4]. The treatment of cervical insufficiency was mainly through the formation of cervical scar tissue or the placement of mechanical support around it to strengthen the cervix [6]. Cervical ligation is currently the only method and effective means for the treatment of cervical cancer uterine [7]. Cervical cerclage has achieved remarkable results in the treatment of cervical incompetence and has become the best choice for patients with cervical incompetence
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