1.Clinical Characteristics and Influencing Factors of Rheumatoid Arthritis in Patients with Cold Dampness Obstruction Syndrome
Yanyu CHEN ; Yanqi LI ; Longxiao LIU ; Liubo ZHANG ; Tianyi LAN ; Nan ZHANG ; Cheng XIAO ; Yuan XU ; Qingwen TAO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(3):140-146
ObjectiveTo study the clinical characteristics and influencing factors of rheumatoid arthritis (RA) in the patients with cold dampness obstruction syndrome. MethodsThe RA patients treated in the Department of Traditional Chinese Medicine and Rheumatology of the China-Japan Friendship Hospital from August 2022 to June 2024 were selected. The demographic information, clinical data, laboratory test results, and traditional Chinese medicine (TCM) symptom information were collected for syndrome differentiation, on the basis of which the characteristics and influencing factors of cold dampness obstruction syndrome were analyzed. ResultsA total of 258 RA patients were selected in this study, including 88 (34.1%) patients with cold dampness obstruction syndrome, 53 (20.5%) patients with dampness and heat obstruction syndrome, 31 (12.0%) patients with wind dampness obstruction syndrome, 29 (11.2%) patients with liver-kidney deficiency syndrome, 19 (7.4%) patients with Qi-blood deficiency syndrome, 14 (5.4%) patients with phlegm-stasis obstruction syndrome, 15 (5.8%) patients with stasis obstructing collateral syndrome and 9 (3.5%) patients with Qi-Yin deficiency syndrome. The patients were assigned into two groups of cold dampness obstruction syndrome and other syndromes. The group of cold dampness obstruction syndrome had lower joint fever, 28-tender joint count (TJC28), and 28-joint disease activity score (DAS28)-C-reactive protein (CRP) and higher central sensitization, cold feeling of joints, fear of wind and cold, cold limbs, and abdominal distention than the group of other syndromes (P<0.05). The binary logistic regression analysis showed that central sensitization (OR 5.749, 95%CI 2.116-15.616, P<0.001) and DAS28-CRP (OR 0.600, 95% CI 0.418-0.862, P=0.006) were the independent factors influencing cold dampness obstruction syndrome in RA. ConclusionCold dampness obstruction syndrome is a common syndrome in RA patients. It is associated with central sensitization, cold feeling of joints, abdominal distension and may be a clinical syndrome associated with central sensitization.
2.Systemic Lupus Erythematosus as a Dominant Disease in Traditional Chinese Medicine
Zihan WANG ; Yanyu CHEN ; Yong CUI ; Qingwen TAO ; Mei MO ; Ke XUE ; Xiaoxiao ZHANG ; Yuan XU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(13):263-269
Systemic lupus erythematosus (SLE), a refractory autoimmune disease, is among the dominant diseases where traditional Chinese medicine (TCM) shows advantages in the field of rheumatology and immunology. The China-Japan Friendship Hospital hosted the "46th Youth Salon on Dominant Diseases (Systemic Lupus Erythematosus)" organized by the China Association of Chinese Medicine, which led to a consensus on "the advantages, challenges, interdisciplinary approaches, and translational achievements of integrated TCM and Western medical approaches in the diagnosis and treatment of SLE." The diagnosis and treatment of SLE currently face several challenges, such as frequent misdiagnosis and missed diagnosis in the early stages, difficulty in achieving treatment targets, multiple side effects from pharmacotherapy, and the lack of management strategies for special populations, all of which hinder the fulfillment of the clinical needs of patients. Integrated TCM and Western medical approaches can improve clinical symptoms such as skin erythema, aversion to cold and cold limbs, fatigue, dry mouth, restlessness, and heat sensation in the palms and soles, thereby improving patients' quality of life. The approaches also help consolidate the efficacy of conventional Western medicine, slow disease progression, reduce relapse rates, address multi-organ involvement, and prevent or treat complications. Additionally, they enhance efficacy and reduce toxicity, prevent the side effects of Western medications, help reduce hormone use, and offer distinct advantages in the individualized intervention of special populations, contributing to the whole-process management of the disease. However, evidence-based medical support for this integrated approach remains limited, and the quality of available evidence is generally low. Common evaluation systems and modern research methodologies should be adopted to clarify the efficacy of TCM in SLE treatment. Efforts should be made to carry out high-quality evidence-based medical research, strengthen the development of fundamental and pharmacological research, and further explain the distinct advantages of TCM in the diagnosis and treatment of SLE. Future efforts should focus on advancing the integration of TCM and modern medicine, incorporating multi-omics technologies, individualized stratification, and other precision medicine concepts, in combination with artificial intelligence. Moreover, interdisciplinary collaboration should be promoted to utilize modern technology in exploring the essence of TCM theories and screening effective formulae, thereby comprehensively improving the diagnosis and treatment of SLE through integrated TCM and Western medical approaches.
3.Systemic Lupus Erythematosus as a Dominant Disease in Traditional Chinese Medicine
Zihan WANG ; Yanyu CHEN ; Yong CUI ; Qingwen TAO ; Mei MO ; Ke XUE ; Xiaoxiao ZHANG ; Yuan XU
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(13):263-269
Systemic lupus erythematosus (SLE), a refractory autoimmune disease, is among the dominant diseases where traditional Chinese medicine (TCM) shows advantages in the field of rheumatology and immunology. The China-Japan Friendship Hospital hosted the "46th Youth Salon on Dominant Diseases (Systemic Lupus Erythematosus)" organized by the China Association of Chinese Medicine, which led to a consensus on "the advantages, challenges, interdisciplinary approaches, and translational achievements of integrated TCM and Western medical approaches in the diagnosis and treatment of SLE." The diagnosis and treatment of SLE currently face several challenges, such as frequent misdiagnosis and missed diagnosis in the early stages, difficulty in achieving treatment targets, multiple side effects from pharmacotherapy, and the lack of management strategies for special populations, all of which hinder the fulfillment of the clinical needs of patients. Integrated TCM and Western medical approaches can improve clinical symptoms such as skin erythema, aversion to cold and cold limbs, fatigue, dry mouth, restlessness, and heat sensation in the palms and soles, thereby improving patients' quality of life. The approaches also help consolidate the efficacy of conventional Western medicine, slow disease progression, reduce relapse rates, address multi-organ involvement, and prevent or treat complications. Additionally, they enhance efficacy and reduce toxicity, prevent the side effects of Western medications, help reduce hormone use, and offer distinct advantages in the individualized intervention of special populations, contributing to the whole-process management of the disease. However, evidence-based medical support for this integrated approach remains limited, and the quality of available evidence is generally low. Common evaluation systems and modern research methodologies should be adopted to clarify the efficacy of TCM in SLE treatment. Efforts should be made to carry out high-quality evidence-based medical research, strengthen the development of fundamental and pharmacological research, and further explain the distinct advantages of TCM in the diagnosis and treatment of SLE. Future efforts should focus on advancing the integration of TCM and modern medicine, incorporating multi-omics technologies, individualized stratification, and other precision medicine concepts, in combination with artificial intelligence. Moreover, interdisciplinary collaboration should be promoted to utilize modern technology in exploring the essence of TCM theories and screening effective formulae, thereby comprehensively improving the diagnosis and treatment of SLE through integrated TCM and Western medical approaches.
4.Clinical effect of transvaginal sacrospinous ligamentopexy combined with traditional per-vaginam surgery in the treatment of moderate and severe pelvic organ prolapse
Juan GUO ; Yan LIU ; Yanyu SHAO ; Yina WANG ; Jie XU
Journal of Chinese Physician 2024;26(11):1691-1694
Objective:To investigate the curative effect of transvaginal sacrospinous ligamentopexy combined with traditional per-vaginam surgery in the treatment of moderate and severe pelvic organ prolapse.Methods:A total of 125 patients with moderate to severe pelvic organ prolapse admitted to the Third People′s Hospital of Yancheng from June 2021 to May 2023 were retrospectively selected as the study objects. They were divided into two groups according to the surgical methods. The observation group (73 cases) received transvaginal sacrospinous ligamentopexy combined with traditional per-vaginam surgery, and the control group (52 cases) received traditional Yin surgery. The primary outcome was anatomic cure rate between the two groups, and the secondary outcome was surgical index, quality of life and recurrence.Results:There were significant differences in the anatomical cure rate [78.1%(57/73) vs 61.5%(32/52)] and postoperative hospital stay between the observation group and the control group at 6 months after surgery (all P<0.05). There was no significant difference in operation time, amount of blood loss and pain degree 24 h after operation between the two groups ( P>0.05). There was no significant difference in Pelvic Floor Distress Inventory-Short Form 20 (PFDI-20) scores between the two groups before operation ( P>0.05). PFDI-20 scores in both groups were lower than those before surgery 6 months after surgery, and PFDI-20 scores in the observation group were lower than those in the control group, with statistical significance ( P<0.05). After follow-up, 3 cases (8.3%) recurred in the observation group and 6 cases (13.3%) in the control group. There was no statistical significance in the recurrence rate between the two groups ( P>0.05). Conclusions:Transvaginal sacrospinous ligamentopexy combined with traditional per-vaginam surgery can effectively treat moderate and severe pelvic organ prolapse, improve the quality of life of patients, and have a good long-term effect.
5.Value of pulse oxygen saturation monitoring in predicting the moderate-to-severe obstructive sleep apnea in children
Meng LYU ; Yuqing WANG ; Xueyun XU ; Yanyu HE ; Yuting JIANG ; Zhihui WANG ; Zhen ZHANG ; Fengqian WANG ; Shuqi WANG ; Nina XIONG
Chinese Journal of Applied Clinical Pediatrics 2023;38(12):910-913
Objective:To investigate the value of pulse oxygen saturation (SpO 2) monitoring in predicting children with moderate-to-severe obstructive sleep apnea (OSA). Methods:It was a retrospective study involving 341 children with snoring during nighttime sleep who had visited the Children′s Hospital of Soochow University from June 2017 to November 2020 and monitored for polysomnography (PSG) and SpO 2.The SpO 2 parameters mainly included oxygen desaturation index (ODI), oxygen desaturation index ≥3% (ODI3), oxygen desaturation index ≥4% (ODI4), mean pulse blood oxygen saturation (MSpO 2), lowest pulse blood oxygen saturation (LSpO 2), cumulative time spent with blood oxygen saturation below 95%, 92% and 90%(T95, T92 and T90). According to obstructive sleep apnea hypopnea index (OAHI), patients were divided into the snoring and mild OSA group (OAHI≤5 times/h) and moderate-to-severe OSA group (OAHI>5 times/h). Differences in SpO 2 parameters were compared between groups using the Chi- square test and Mann- Whitney U test. Spearman correlation analysis was used to analyze the correlation between SpO 2 parameters and OAHI in all children.The SpO 2 parameters were included in the Logistic regression model.Receiver operating characteristic (ROC) curve was used to analyze the diagnostic efficiency of SpO 2 parameters on moderate-to-severe OSA. Results:A total of 341 patients were recruited, including 206 male and 135 female patients with the mean age, body mass index (BMI) and OAHI of 6.0 (4.0, 7.5) years, 16.2 (15.1, 18.0) kg/m 2 and 0.6 (0.1, 3.0) times /h, respectively.There were 283(83.0%) and 58 (17.0%) patients in the snoring and mild OSA group and moderate-to-severe OSA group.The ODI3[0.7 (0.3, 1.4) times/h vs.7.7 (4.4, 12.8) times/h], ODI4[0.4 (0.1, 0.8) times/h vs.5.3 (2.7, 9.1) times/h], T95[1.4 (0.3, 5.3) min vs.13.7 (7.0, 33.5) min], T92[0.1 (0, 0.5) min vs.1.8 (0.9, 6.0) min] and T90[0 (0, 0.1) min vs.0.6 (0.2, 2.2) min] were significantly lower in the snoring and mild OSA group than those of moderate-to-severe group, while LSpO 2[91.0 (89.0, 93.0)% vs.86.5 (82.0, 88.0)%] and MSpO 2[ 97.0 (97.0, 98.0)% vs.96.0 (96.0, 97.0)%] were significantly higher(all P<0.001). All SpO 2 parameters were significantly correlated with OAHI (all P<0.001), and the correlation coefficient between ODI3 and OAHI was 0.660.ODI3 was an independent predictor of moderate-to-severe OSA ( OR=3.117, 95% CI: 1.635-5.945, P=0.001). The area under the ROC curve of ODI3 in predicting the moderate-to-severe OSA was 0.957, and the cut-off value of 3.45 times/h and specificity of 95.4%.MSpO 2 was an independent predictor of moderate-to-severe OSA ( OR=2.917, 95% CI: 1.589-5.354, P=0.001). Conclusions:ODI3 can be used to predict the moderate-to-severe OSA in children.
6.Risk factors of poor early prognosis in the treatment of COVID-19 with nematevir and ritonavir tablets and the establishment of prediction model
Wenhui HUANG ; Yanyu XU ; Xiaowei HAO ; Guan LIN ; Shandan OUYANG ; Jiakun WANG ; Jinshan CHEN
Journal of Pharmaceutical Practice 2023;41(11):700-704
Objective To explore risk factors of poor early prognosis in the treatment of COVID-19 by nematevir and ritonavir tablets Paxlovid and establish the prediction model to provide reference for improving the effect of such patients. Methods 92 inpatients of COVID-19 treated with Paxlovid in three military tertiary hospital in southern Fujian from January 2023 to March 2023 were retrospectively analyzed. The clinical indicators of 92 inpatients were collected for univariate and multivariate analysis by single factor and multiple factors and the independent risk factors of poor early prognosis in Paxlovid were screened out. Logistic model equation was transformed to construct the combined predictors, and ROC curve was used to determine the area under the curve (AUC) and the optimal critical value of the combined predictors. Results Among 92 patients, 31 (33.70%) developed poor early prognosis, including 11 deaths (35.48%), 17 critical cases (54.84%) and 3 severe cases (9.68%). Multi-factor Logistic regression analysis showed that the disease days, lymphocyte count, aspartate aminotransferase(AST), C reactive protein(CRP) and ventilator-assisted ventilation were independent risk factors for poor early prognosis in Paxlovid. A formula for calculating the combined predictors (Y) was established as Ycombinedpredictors=7.875Xdisease days+126.188Xlymphocyte count+1.438XAST+XCRP+220.500Xventilator-assisted ventilation based on the above independent risk factors, and the ROC curve was drawn. With the maximum area under the ROC curve of the combined predictors being 0.939, the prediction value was best, and the optimal critical value of the ROC curve corresponding to the maximum Youden index (0.756) was 447.920.Theoretical accuracy of the model was 89.10%. Conclusion The disease days, lymphocyte count, AST, CRP and ventilator-assisted ventilation were independent risk factors for poor early prognosis in Paxlovid. Combined predictors could be calculated by the above risk factors before medication. The efficiency should be improved by taking more active treatment, including combining with other anti-COVID-19 drugs when the prediction result exceeds 447.920.
7.Research Advances on CD47 Molecules in Tumor Microenvironment of Diffuse Large B-cell Lymphoma
Yiyue LIU ; Yanyu SU ; Geng LYU ; Zizhen XU
Cancer Research on Prevention and Treatment 2023;50(6):616-621
Diffuse large B-cell lymphoma (DLBCL) is a common, highly aggressive and heterogeneous hematologic malignancy in adults. Patients with DLBCL have substantially differences in molecular biological characteristics, clinical manifestations, and prognosis. Increasing evidence shows that the tumor microenvironment plays an important role in the occurrence and development of DLBCL. CD47, an integrin related protein, is overexpressed in DLBCL cells and plays a key role in immune escape of lymphoma. This work reviews the research progress of CD47 in DLBCL TME in terms of CD47-related signal pathway, CD47 role in DLBCL TME, and therapeutic strategies targeting CD47 in DLBCL TME.
8.Pelvic fixation for posterior lumbosacral hemivertebra resection and long fusion in adult spinal deformity
Song LI ; Zezhang ZHU ; Saihu MAO ; Yanyu MA ; Yitong ZHU ; Zhen LIU ; Benlong SHI ; Xu SUN ; Jun QIAO ; Bin WANG ; Yang YU ; Yong QIU
Chinese Journal of Orthopaedics 2022;42(7):426-436
Objective:To evaluate whether pelvic fixation is needed in patients undergoing posterior lumbosacral hemivertebra (LSHV) resection and long fusion.Methods:All 32 adult spinal deformity patients with posterior hemivertebra (HV) resection and long segment fixation treated from April 2005 to August 2019 were analyzed retrospectively, including 12 males and 20 females with a mean age of 32.9±8.8 years. According to the state of coronal balance distance (CBD), there were 15 cases of type A (preoperative CBD≤ 30 mm), 1 case of type B (preoperative CBD>30 mm and C 7 plumb line offset to the concave side), and 16 cases of type C (preoperative CBD>30 mm and C 7 plumb line offset to the convex side). The clinical and imaging data before operation, immediately after operation and at the last follow-up were collected, and the short-term and long-term complications related to operation were recorded. The improvement of Cobb angle and coronal balance of primary curve and compensatory curve were evaluated on the whole spine frontal and lateral X-ray films, and the change of coronal balance type after operation was evaluated. According to the mode of distal internal fixation, the patients were divided into two groups: PF group (pelvic fixation): distal fixation to iliac or sacroiliac; NPF group (non-pelvic fixation): distal fixation to L 5 or S 1. Results:All 32 patients were followed up with an average time of 3.9±2.6 years (range 2-11 years). The Cobb angle of primary curve in PF and NPF groups were 42.6°±13.5° and 41.3°±10.9° respectively before operation, and corrected to 13.1°±5.4° and 17.7°±5.8° respectively after operation. It maintained at 13.4°±5.1°and 18.5°±6.7° in the two groups at the last follow-up, respectively ( FPF=32.58, FNPF=28.64, P<0.001). The correction rates were 69.3%±11.8% and 57.6%±10.3%, respectively ( t=2.14, P=0.012). The compensatory curves of in the two groups were corrected from 54.9°±14.8° and 46.8°±13.6° before operation to 17.3°±9.6° and 15.4°±8.4° after operation. It also maintained at 18.5°±8.8°and 17.6°±9.5° in the two groups at the last follow-up, respectively ( FPF=42.97, FNPF=38.56, P<0.001). The correction rates were 68.4%±16.7% and 67.2%±14.9%, respectively ( t=0.17, P=0.849) in the two groups. In PF group, the primary and compensatory curve were similar (69.3%±11.8% vs. 68.4%±16.7%, t=0.15, P=0.837), while the correction rate of compensatory curve in NPF group was significantly higher than that of the primary curve (67.2%±14.9% vs. 57.6%±10.3%, t=2.13, P=0.013). Coronal decompensation occurred in 12 patients (12/32, 37.5%). The CBD in PF and NPF groups was corrected from 33.3±11.2 mm and 28.8±8.1 mm preoperatively to 18.5±3.5 mm and 27.1±6.8 mm postoperatively, respectively, and it showed no significant change at the last follow-up ( FPF=41.61, P<0.001; FNPF=0.38, P=0.896). While the CBD in PF group was significantly better than that in NPF group ( t=3.23, P=0.002; t=2.94, P=0.008). The incidence of coronal decompensation in PF group was 0%, which was significantly lower than 50% (12/24) in NPF group (χ 2=6.40, P=0.014). In addition, 6 cases in PF group were type C coronal decompensation before operation, and the coronal balance was corrected to type A after surgery (100%). Among 10 patients with type C coronal decompensation in NFP, 4 (40%) patients returned to type A after operation, and the difference was statistically significant (6/6 vs. 4/10, χ 2=5.76, P=0.034). Conclusion:Coronal decompensation (12/32, 37.5%) is not rare in patients after posterior LSHV resection and long fusion. Attention should be paid to the match of the corrections between lumbosacral deformity and compensatory curve, which is of great significance in coronal balance reconstruction. Pelvic fixation is helpful to reduce the incidence of postoperative coronal decompensation, especially for the type C patients.
9.Mid-term outcomes of one-stage posterior-only jumping hemivertebra resections and short fusions for children with congenital scoliosis secondary to multiple hemivertebrae
Saihu MAO ; Song LI ; Zezhang ZHU ; Yanyu MA ; Zhen LIU ; Benlong SHI ; Xu SUN ; Jun QIAO ; Bin WANG ; Yang YU ; Yong QIU
Chinese Journal of Orthopaedics 2021;41(23):1673-1682
Objective:To evaluate the safety and efficacy of one-stage posterior-only jumping hemivertebra (HV) resection combined with respective short fusions in the treatment of congenital scoliosis (CS) caused by multiple HVs.Methods:All of 13 consecutive patients with multiple HVs treated surgically from January 2010 to December 2017 were retrospectively reviewed, including 4 males and 9 females with a mean age of 3.7±1.2 years. One child had 4 HVs, and the rest had 2 HVs. The responsible HVs causing local scoliosis/kyphosis deformity or coronal plane deviation were selected as the target of resection. The distal HV was removed firstly and then the proximal one was resected; both of the fixation vertebraes were horizontalized during surgery. The clinical and imaging data of the children before the initial operation, immediately after the operation and at the latest follow-up were collected, and the short-term and long-term complications related to surgery were recorded. The data were evaluated on the whole-standing spine anteroposterior and lateral films, including the corrections of proximal and distal main curves, coronal balance, local kyphosis, and the improvement of spinal growth height (upper and lower internal fixation length, T 1-S 1 length). At the same time, the re-progression of coronal and sagittal deformities of the spine during growth was recorded (coronal decompensation: emerging postoperative curve progression more than 20°; kyphosis progression: kyphosis aggravation between upper and lower internal fixation more than 40°) and internal-fixation-related complications (screw cutting, screw malposition) were recorded. Results:Dual HVs were resected in each child, of which 8 (61.5%) were located on contralateral side of the spine, and 5 (38.5%) were located on ipsilateral side of the spine. The follow-up time was 6.2±3.3 years (range 2.0-10.5 years) after surgery. The Cobb angles of proximal and distal main curves were 36.7°±11.8° and 35.2°±7.8° respectively before surgery and were corrected to 9.7°±6.6° and 6.1°±4.1° respectively after surgery ( F=31.249, F=93.83, P< 0.001) ( t=6.888, t=10.954, P<0.001), and the correction rates was 73.6%±19.6% and 82.7%±11.7%, respectively. They were maintained at 14.3°±5.4° and 8.0°±4.6° at the latest follow-up, showing the correction rates loss of 15.8%±26.9% and 6.9%±7%, respectively. The coronal balance improved from 17.2±14.8 mm pre-operatively to -0.2±15.7 mm postoperatively ( t=2.703, P=0.008), and it remained at 0±18.4 mm at the final follow-up ( F=4.137, P=0.024). The T 1-S 1 length was corrected to 273.8±27.3 mm postoperatively, slightly increased compared with pre-operation 256.3±24.0 mm, ( t=0.680, P=0.527), and significantly increased to 333.2±33.4 mm at the latest follow-up ( t=2.986, P<0.001; F=6.704, P=0.003). Seven patients had local kyphosis before operation, which was significantly improved from 32.2°±13.6° to 6.1°±9.8° with a correction rate of 93.4%±27.0% after surgery ( t=3.355, P=0.004), which showed no significant loss of correction at the latest follow-up (5.4°±10.4°) ( F=11.187, P=0.002). Six patients (46.2%) developed coronal decompensation (Curve magnitude >20 °), with an average of 21.7°±1.9°. Two cases (15.4%) had progressive kyphosis between the thoracic regional internal fixations at 3 months after surgery, which were 68° and 58° respectively. After bracing, both coronal decompensation and sagittal kyphosis were improved. At the last follow-up, the coronal decompensation was improved to 14.7±8.9° and the kyphosis was alleviated to 55° and 46°, respectively. Conclusion:Posterior-only skipping hemivertebra resection and short fusion is a safe, effective procedure yielding significantly improvement of the growth imbalance and reginal spinal deformities of CS with multiple HVs. The mid-term follow-up results showed that the progress of the scoliosis was common during the growth period, which could be further controlled by supplementary brace treatment.
10.Predictive model for cervical lymph node metastasis of papillary thyroid carcinoma based on ultrasound and thyroglobulin infine-needle aspirate fluid detection
Yanyu LI ; Qian WANG ; Gonglin FAN ; Jianghong LYU ; Lilong XU ; Leqi WANG ; Li GAO ; Deguang ZHANG ; Gaofei HE ; Jiang ZHU
Chinese Journal of Ultrasonography 2020;29(2):131-137
Objective:To establish a predictive model of lateral lymph node metastasis in patients with papillary thyroid carcinoma(PTC), and further to compare the diagnostic efficiency of this model with the suspected abnormal lymph node thyroglobulin in fine-needle aspirate fluid (FNA-Tg) for lateral lymph node metastasis.Methods:The preoperative clinical and ultrasonographic data of 110 patients (257 lymph nodes) who underwent PTC cervical lymph node dissection were retrospectively analyzed. According to the postoperative pathological results, they were divided into lateral lymph node metastasis and non-metastasis group. Regression analysis was used to screen out independent risk factors affecting lateral lymph node metastasis and establish a predictive model. The ROC curve was used to evaluate the diagnostic efficacy and the best diagnostic cut-off point.Results:Prediction model: Logit( P)=-2.987+ 2.189(S/L ratio of lymph nodes)+ 1.748(hilum absent)+ 2.030(hyperechoic)+ 1.849(vascular abnormalities). The sensitivity, specificity, accuracy and AUC of the prediction model in the diagnosis of lateral lymph node metastasis were 92.1%, 83.9%, 87.9% and 0.929, respectively. The Homser-Lemeshow goodness of fit test showed that the Logistic model has a good fitting effect. The sensitivity, specificity, accuracy, and AUC of FNA-Tg in the diagnosis of lateral lymph node metastasis were 87.4%, 95.4%, 90.3% and 0.968, respectively. The sensitivity, specificity, accuracy, and AUC of the combined diagnosis of the predictive model and FNA-Tg were 92.9%, 96.9%, 94.2% and 0.989, respectively. Conclusions:The model has a good predictive value for PTC cervical lymph node metastasis. Combined with FNA-Tg, it can improve its diagnostic efficiency and provide more valuable information for the decision-making of clinical surgical procedures.

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