Relatioship between childhood witnessing domestic violence and injury and violence of college students / 中国学校卫生

Objective@#To investigate the prevalence of witnessing domestic violence,and to explore the relationship between witness domestic violence in childhood and college students’ injury and violence behaviors.@*Methods@#In October 2018, self-made questionnaire on “Health and Risky Behaviors among University Students in Anhui Province” was conducted among 4 034 college students from 4 universities in Hefei. Multivariate Logistic regression models (control of confounding factors) were used to explore the impact of childhood witnessing domestic violence on college students’ injury and violence.@*Results@#Among 4 034 college students,the prevalence of witnessing domestic emotional violence,mild physical violence and severe physical violence in childhood was 27.6%,22.4%,10.7%,respectively. Univariate analysis showed that students with experiences of witness domestic emotional violence,mild physical violence and severe physical violence had higher rates of self-injury,physical,emotional,and sexual violence compared to those without domestic violence witness(P<0.05). Multivariate Logistic regression analysis showed that witnessing domestic severe physical violence,emotional violence in childhood associated positively with self-harm (OR=1.53,95%CI=1.05-2.23; OR=2.15,95%CI=1.51-3.04) and emotional violence (OR=1.65,95%CI=1.16-2.35; OR=2.57,95%CI=1.87-3.53). Witnessing domestic severe physical violence showed positive association with physical violence (OR=4.99,95%CI=2.58-9.62) and sexual violence (OR=8.68,95%CI=3.30-22.81) among college students (P<0.05).@*Conclusion@#The experiences of witness domestic violence can increases the risk of college student’s injury and violence behaviors,especially witness domestic severe physical violence.

IMU-based Real-time Pose Measurement system for Anterior Pelvic Plane in Total Hip Replacement Surgeries.

With the aging of population, the number of Total Hip Replacement Surgeries (THR) increased year by year. In THR, inaccurate position of the implanted prosthesis may lead to the failure of the operation. In order to reduce the failure rate and acquire the real-time pose of Anterior Pelvic Plane (APP), we propose a measurement system in this paper. The measurement system includes two parts: Initial Pose Measurement Instrument (IPMI) and Real-time Pose Measurement Instrument (RPMI). IPMI is used to acquire the initial pose of the APP, and RPMI is used to estimate the real-time pose of the APP. Both are composed of an Inertial Measurement Unit (IMU) and magnetometer sensors. To estimate the attitude of the measurement system, the Extended Kalman Filter (EKF) is adopted in this paper. The real-time pose of the APP could be acquired together with the algorithm designed in the paper. The experiment results show that the Root Mean Square Error (RMSE) is within 1.6 degrees, which meets the requirement of THR operations.

Pose measurement of Anterior Pelvic Plane based on inertial measurement unit in total hip replacement surgeries.

In Total Hip Replacement (THR), inaccurate measurement of Anterior Pelvic Plane (APP), which is usually used as a reference plane, will lead to malposition of the acetabular prosthesis. As a result, the risk of impingement, dislocation and wear will increase and the safe range of motion will be limited. In order to acquire the accurate pose of APP, a measurement system is designed in this paper, which includes two parts: one is used to estimate the initial pose of APP and the other is used to trail dynamic motion of APP. Both parts are composed of an Inertial Measurement Unit (IMU) and magnetometer sensors. An Extended Kalman Filter (EKF) is adopted to fuse the data from IMU and the magnetometer sensors to estimate the orientation of the pelvis. The test results show that the error angle between calculated axis and true axis of the pelvis in geodetic coordinate frame is less than 1.2 degree, which meets the requirement of the surgery.

Clinical Observation of Reinforcing-reducing Needling Methods for Peripheral Facial Paralysis / 上海针灸杂志

Objective To observe the clinical efficacy of reinforcing-reducing needling methods in treating peripheral facial paralysis. Method Seventy facial paralysis patients were randomized into two groups to compare the reinforcing-reducing needling methods and conventional acupuncture. The House-Brackmann (H-B) scale was observed and compared prior to the treatment, right after the treatment, and respectively after 30-day, 3-month, and 6-month treatments, and the clinical efficacy was evaluated after 6-month treatments. Result The H-B score of the reinforcing-reducing manipulation group was superior to that of the conventional group (P<0.05), and the therapeutic efficacy of the manipulation group was more significant than that of the conventional group (P<0.05). Conclusion The reinforcing-reducing needling methods can produce a better therapeutic efficacy in treating peripheral facial paralysis compared to conventional acupuncture.

Clinical observation of cervical spondylosis of neck type with wind-cold-damp treated with four-hand-needling therapy / 中国针灸

<p><b>OBJECTIVE</b>To compare the clinical efficacy between the four-hand-needling therapy and the routine needling therapy at neck-Jiaji (EX-B 2) in the treatment of cervical spondylosis of neck type.</p><p><b>METHODS</b>Eighty patients of cervical spondylosis of neck type were randomized into an observation group and a control group, 40 cases in each one. In the observation group, Sanjian (LI 3), Wailaogong (EX-UE 8), Zhongzhu (TE 3) and Houxi (SI 3) on the affected side were selected. In the control group, the neck-Jiaji (EX-B 2) on bilateral C, Cand Cwere selected. The treatment was given once every two days. The score of visual analogue scale (VAS) was observed before treatment, right after the first treatment, in a half of one month of treatment and in one month of treatment separately and the clinical efficacy was observed after 1-month treatment in the two groups.</p><p><b>RESULTS</b>After treatment, VAS score was reduced as compared with that before treatment in the two groups (all<0.05). The immediate VAS score after treatment in the observation group was reduced much more apparently as compared with that in the control group (<0.01). The curative rate was 52.5% (21/40) in the observation group and was 32.5% (13/40) in the control group and the total effective rates were 95.0% (38/40) and 82.5% (33/40) respectively. The efficacy in the observation group was better than that in the control group (both<0.05).</p><p><b>CONCLUSIONS</b>The four-hand-needling therapy and routine acupuncture at neck-Jiaji (EX-B 2) all have the very good efficacy on cervical spondylosis of neck type with wind-cold-damp. The immediate efficacy of the four-hand-needling therapy is much more significant.</p>

Orientation and depth estimation for femoral components using image sensor, magnetometer and inertial sensors in THR surgeries.

Malposition of the acetabular and femoral component has long been recognized as an important cause of dislocation after total hip replacement (THR) surgeries. In order to help surgeons improve the positioning accuracy of the components, a visual-aided system for THR surgeries that could estimate orientation and depth of femoral component is proposed. The sensors are fixed inside the femoral prosthesis trial and checkerboard patterns are printed on the internal surface of the acetabular prosthesis trial. An extended Kalman filter is designed to fuse the data from inertial sensors and the magnetometer orientation estimation. A novel image processing algorithm for depth estimation is developed. The algorithms have been evaluated under the simulation with rotation quaternion and translation vector and the experimental results shows that the root mean square error (RMSE) of the orientation estimation is less then 0.05 degree and the RMSE for depth estimation is 1mm. Finally, the femoral head is displayed in 3D graphics in real time to help surgeons with the component positioning.