Notes

Arthroscopic distal clavicle excision is a member of less postoperative problems as compared to available.
Objective To investigate the oral health status and awareness of urban children in Lhasa,aiming to provide a data basis for the prevention and treatment of children's caries and the promotion of oral health education. Methods A total of 504 Tibetan students were selected by cluster sampling from 2 primary schools in Chengguan District of Lhasa.All the participants were required to take oral health examination and complete a questionnaire about oral health awareness and behavior. Results The caries prevalence rate and mean decayed-missing-filled tooth(DMFT)of permanent teeth were 75.00% and 2.18±1.91,respectively.The rates of pit and fissure sealant and filling of permanent teeth were 3.77% and 6.81%,respectively.The caries prevalence rate of first permanent molars was 47.62%.The mean DMFT of permanent teeth and caries prevalence rate of first permanent molar were significantly higher in female group(P=0.001 and P=0.007,respectively).The prevalence rate of dental fluorosis was 61.51%,and the detection rate of dental calculus was 71.83%.Multivariate logistic regression analysis showed that prevalence of caries was influenced by many independent factors including gender,oral health awareness,intention of dental intervention,and dental experience. Conclusion High caries prevalence rate,low filling rate,and poor oral hygiene and health awareness were found among the primary school students in Lhasa,which require continuous dentistry investment and oral health education for the local students and their parents.Objective To investigate the clinical value of core-needle biopsy(CNB)for low-risk papillary thyroid microcarcinoma(PTMC)after radiofrequency ablation(RFA). Methods A total of 190 patients(including 142 females and 48 males,20-74 years old)with unifocal low-risk PTMCs[mean volume of(106.29±96.15)mm3]treated by RFA from June 2016 to September 2018 were evaluated in this study.During the RFA procedure,enlarged ablation was performed.Patients were followed up 1,3,6,12 months after RFA and every 6 months thereafter.The volume of ablation area and the volume reduction ratio(VRR)were calculated.To evaluate the ablation performance,CNB was performed to the central zone,the peripheral zone,and surrounding thyroid parenchyma 3 or 6 months after RFA. Results The mean follow-up time was(30.04±12.41)months.The mean volume of tumor significantly decreased from(106.29±96.15)mm3 to(1.47±8.00)mm3.Two ablated tumors were diagnosed to have residue by CNB and underwent additional RFA.No recurrence,metastatic lymph nodes,or distal metastasis were found during the follow-up.All the patients were tolerable to RFA and CNB procedure. Conclusion CNB can be used to evaluate the ablation performance after RFA for low-risk PTMC.Objective To evaluate lateral pterygoid muscle(LPM)contraction in the patients with temporomandibular disorders(TMD)based on 3D-T2 weighted imaging(3D-T2WI).Multiplanar reconstruction(MPR)was employed to measure the length of LPM in the images taken in closed-and open-mouth positions. Methods Seventeen TMD patients [age of(29.82±10.70)years,males/females=8/9] and 13 normal volunteers [control,age of(23.54±3.31)years,males/females=6/7] received 3D-T2WI of the temporomandibular joints in closed-and open-mouth positions from November 2019 to April 2020 in Department of Radiology,Hainan Hospital of Chinese PLA General Hospital.According to the position of the discs,the subjects were classified into the following groupsTMD with disc displacement without reduction(TMD-DDwoR),TMD with disc displacement with reduction(TMD-DDwR),TMD without disc displacement(TMDwoDD),and normal control without disc displacement(NCwoDD).MPR was employed to measure the maximal length of the superior belly of LPM.One-way analysis of variance,receiver operating characteristic curve,and permutation test were employed for the statistical analyses. Results The contraction of LPM was significantly shorter in TMD-DDwoR group [(3.36±1.96)mm] than in TMDwoDD group [(7.90±3.95)mm],NCwoDD group [(8.77±3.13)mm](F=12.891,P=0.000),and TMD-DDwR group[(7.12±3.69)mm](χ2=5.314,P=0.031). Conclusion This study confirmed that the contraction of LPM decreased in patients with TMD-DDwoR,which provided imaging evidence for the study of disc displacement mechanism in TMD patients.Objective To investigate the related factors of pathological complete response(pCR)of patients with gastric cancer treated by neoadjuvant therapy and resection,and to analyze the risk factors of prognosis. Methods The clinical and pathological data of 490 patients with gastric cancer who received neoadjuvant therapy followed by radical gastrectomy from January to December in 2008 were retrospectively analyzed.Univariate and multivariate analyses were performed to identify the risk factors affecting pCR and prognosis. Results Among the 490 patients,41 achieved pCR,and the overall pCR rate was 8.3%(41/490).The pCR rate was 16.0% in the neoadjuvant chemoradiation group and 6.4% in the neoadjuvant chemotherapy group.The results of multivariate analysis showed that neoadjuvant chemoradiation(OR=4.401,95% CI=2.023-9.574,P less then 0.001)and preoperative therapeutic response as partial response(OR=40.492,95% CI=5.366-305.572,P less then 0.001)were independent predictors of pCR after neoadjuvant therapy.Multivariate analysis of prognosis showed that poorly differentiated tumor(HR=1.809,95% CI=1.104-2.964,P=0.019),gastric cardia-fundus-body tumor(HR=2.025,95% CI=1.497-2.739,P less then 0.001),≤15 intraoperative dissected lymph nodes(HR=1.482,95% CI=1.059-2.073,P=0.022),and postoperative complications(HR=1.625,95% CI=1.156-2.285,P=0.005)were independent risk factors for prognosis,while pCR(HR=0.153,95% CI=0.048-0.484,P=0.001)and postoperative adjuvant chemotherapy(HR=0.589,95% CI=0.421-0.823,P less then 0.001)were independent protective factors of prognosis. Conclusions Patients who achieved pCR after neoadjuvant therapy for locally advanced gastric cancer might have promising long-term survival,and pCR is an independent predictor for overall survival.Compared with chemotherapy alone,preoperative chemoradiotherapy can significantly improve the pCR rate of patients with locally advanced gastric cancer.Objective To understand the cognition and related abilities of emergency physicians for palliative care in China. Methods A total of 115 emergency physicians were selected by convenient sampling to conduct a questionnaire survey.The questionnaire included the physicians' basic information,feelings and attitudes towards end-stage patients and their families,cognition of palliative care,and personal ability for palliative care. Results 25.2%,59.1%,and 15.7% of the emergency physicians considered they had "no understanding","partial understanding",and "full understanding" of palliative care,respectively.32(27.8%)physicians participated in palliative care-related lectures and they showed higher self-rated cognition levels(P=0.002).Wechat(39.1%),media(36.5%),and word of mouth(33.0%)were the main ways for emergency physicians to acquire the knowledge of palliative care.Among the emergency physicians,68.7% felt "powerless" in the face of end-stage patients,and 60.9% and 59.1% felt tangled and worried about death causing disputes,respectively.The emergency physicians had low self-rated ability in relieving dyspnea after removal of ventilator[3(2,4)]and eliminating the fear of death[3(3,4)].The self-rated cognition level of emergency physicians to palliative care was positively correlated with most of the self-rated ability indexes. Conclusions Lectures have a significant impact on emergency physicians' cognition level of palliative care.Most of the self-rated indexes of palliative care ability are positively correlated with the cognition level of palliative care.In the face of end-stage patients,most of the emergency physicians are powerless,tangled,and worried about disputes,and their self-rated indexes in relieving dyspnea after removal of ventilator and eliminating the fear of death are low,which necessitates relevant training.Objective To investigate the application value of indocyanine green(ICG)in the localization of small pulmonary nodules in video-assisted thoracoscopic surgery(VATS). Methods We retrospectively analyzed the clinical data of 45 patients with small nodules(diameter less then 1 cm)who received preoperative localization with ICG and underwent VATS wedge resection from October 2020 to February 2021.The data for analysis included patients age,nodule diameter,distance from the parietal pleura,nodule density,success rate of localization,time of localization,incidence of complications,and pathological findings. Results The success rate of localization was 100%.The average nodule size was 6.3 mm,and the nodules were(10±11)mm from the parietal pleura.After localization of 59 nodules,13(22.0%)cases were found to have mild pneumothorax,and 4(6.7%)cases were found to have mild hemorrhage.The success rate of operation was 100%,and 43(72.9%)cases were confirmed adenocarcinoma by postoperative pathology. Conclusion ICG has a high success rate and good safety in the localization of small pulmonary nodules in VATS.Objective To explore the performance of mobile health platform for standardized management of pregnant women with gestational diabetes mellitus(GDM). selleck kinase inhibitor Methods A randomized controlled trial was conducted,in which 295 women with GDM were randomized into two groups(traditional management group and mobile health management group)by a computer-generated sequence.The traditional management group accepted standardized GDM management,and the mobile health management group was supplemented by mobile health management based on the standardized management.The glycemic control rate and the incidences of low birth weight,macrosomia,preterm birth,premature rupture of membranes,postpartum hemorrhage after cesarean section,neonatal asphyxia,malformation,and admission to the neonatal intensive care unit were compared between the two groups. Results The glycemic control rate in mobile health management group was significantly higher than that in the traditional management group [(67.22±22.76)% vs.(60.69±21.28)%,P=0.004].The incidences of low birth weight,macrosomia,preterm birth,premature rupture of membranes,postpartum hemorrhage after cesarean section,neonatal asphyxia,malformation,and admission to the neonatal intensive care unit demonstrated no significant differences between groups(all P > 0.05). Conclusions Mobile health applied in standardized management is conducive to the glycemic control of GDM women,whereas it does not significantly improve the pregnancy outcomes.Due to the short time of intervention,the effects of mobile health on pregnancy outcomes need further study.Objective To investigate the knowledge about human papillomavirus(HPV)and its vaccines,HPV vaccination status,and vaccination willingness among the freshmen majoring in liberal arts,sciences,and medicine in western China,so as to provide evidence-based suggestions for health education among university students and to increase their vaccination. Methods By convenience sampling,stratified sampling,and cluster sampling,an online questionnaire survey was conducted among freshmen in a comprehensive university in Chengdu.The differences among the groups were compared by χ2 test,and non-conditional logistic regression was performed to analyze the influencing factors of willingness to vaccination. Results A total of 881 participants were included in this study,including 419 males and 462 females.The vaccination rate of females was 3.5%(16/462).Of all the university students,59.1%,67.5%,and 56.3% had heard of HPV,HPV-related diseases,and HPV vaccines,respectively,and only 10.4%,10.6%,and 27.8% knew "HPV infection usually does not cause symptoms","HPV infection is usually transient and mostly spontaneous regressive",and "HPV infection is very common".
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