Nine foveal hypoplasia patients in a family / 中华眼底病杂志

Objective:To observe the clinical features of nine foveal hypoplasia (FVH) patients in a family.Methods:A retrospective clinical study. In August 2018, nine patients with FVH from a family diagnosed in Qilu Hospital of Shandong University (Qingdao) were included in this study. Detailed medical history of the proband was collected. Best corrected visual acuity (BCVA), slit-lamp, cycloplegic refraction, fundus color photography, optical coherence tomography (OCT) and OCT angiography (OCTA) were performed on the proband. The peripheral venous blood of V7 (family member), the proband and the proband's parents were collected for DNA extraction, and gene detection was performed.Results:The proband, a four-year-old girl, had poor vision with BCVA of 0.4 in both eyes. OCT showed absence of foveal pit, absence of outer segment lengthening, absence of outer nuclear layer widening and incursion of inner retinal layers. The proband's mother was 32 years old, and macular foveal reflection was not observed in her eyes. OCT and OCTA examination showed no foveal pit and foveal avascular zone in both eyes. Both eyes of the proband and her mother were diagnosed with Thomas grade 4 FVH. The other seven patients also had no foveal pit, and could be categorized into Thomas grade 3 or 4. No significant pathogenic genes and mutation sites were detected in the proband through whole genome sequencing, and no copy number variation or chromosomal abnormality associated with the phenotype of the proband was detected. After seven months of amblyopia treatment, the proband's BCVA had improved to 0.5 in the right eye and 0.6 in the left eye, while the BCVA did not change after 2 years of follow-up.Conclusion:Nine FVH patients in this family had no foveal pit with similar OCT images, and their visual acuity was affected from lightly to severely. Early amblyopia training is helpful to improve the visual acuity of child patients.

Correlation between the semiquantitative score of ultrasound and WOMAC OA index of knee osteoarthritis / 中国基层医药

Objective:To explore the correlation between the semiquantitative score of bone ultrasound and the WOMAC OA index in knee osteoarthritis.Methods:From March 2017 to December 2018, 118 patients with knee osteoarthritis diagnosed and treated in Taizhou Hospital of Traditional Chinese Medicine were selected in the research.The patients' bone erosion, joint effusion, synovium hyperplasia and meniscus were evaluated by ultrasound semiquantitative scoring system.Osteoarthritis index of the patients was investigated at the same time.The correlation between the semiquantitative score of myoskeletal ultrasound and WOMAC OA index in knee osteoarthritis was analyzed.Results:In 118 patients with knee osteoarthritis, the semiquantitative scores of myoskeletal ultrasound of bone erosion was (2.33±0.37)points, joint effusion was (2.05±0.26)points, synovial hyperplasia was (2.24±0.15)points, abnormal meniscus position was (1.67±0.28)points, meniscus shape and signal was (1.15±0.14)points.The WOMAC OA index scores of patients' pain was (29.52±6.68)points, stiffness was (11.43±3.78)points, dysfunction was (93.85±18.73)points, and total score was (134.80±29.19)points.The scores of bone erosion, joint effusion, synovium hyperplasia and meniscus in semiquantitative score of muscle and bone ultrasound were positively correlated with the total score of WOMAC OA index( r=0.435, 0.317, 0.429, 0.294, 0.282, all P<0.05). Conclusion:Semiquantitative score of muscle and bone ultrasound can better reflect the degree of knee joint injury, which is positively correlated with WOMAC OA index.We can use the semiquantitative score of muscle and bone ultrasound and WOMAC OA index to predict the condition of patients with knee osteoarthritis.

Effects of Abiotic Elicitors MeJA and SA on Alkaloids Accumulation and Related Enzymes Metabolism inPinellia ternata Suspension Cell Cultures / 中国中医药信息杂志

Objective To study the effects of abiotic elicitors methyl jasmonate (MeJA) and salicylic acid (SA) on the alkaloids accumulation and related enzymes metabolism inPinellia ternata suspension cell cultures. Methods Using the leaf petioles-derived suspension cell cultures as the study object, the culture duration, concentrations of MeJA and SA were determined to get the optimal alkaloids accumulation, and the activities of metabolic enzymes IMP dehydrogenase and sAMP synthase were also measured.Results A 9-fold of dried biomass and a 3-fold of alkaloids accumulation were observed inP. ternata suspension cell cultures after culture for 21 d. Both MeJA and SA could significantly promote the accumulation of alkaloids inP. ternata suspension cells. 150 μmol/L MeJA enhanced alkaloids content (4.7 mg/gDW) by 3.6 folds in comparison with control group, whereas 50 μmol/L SA showed a 2.5-fold increase. Meanwhile, 100 μmol/L MeJA and 50 μmol/L SA promoted the increase in IMP dehydrogenase activity by 3.0 and 3.7 fold respectively, and 150 μmol/L MeJA and 100 μmol/L SA showed the increase by 2.6 and 4.4 fold respectively.Conclusion Proper adding exogenous MeJA and SA can promote the accumulation of alkaloids inPinellia ternata suspension cell cultures.

Correlation between DTI features of compressed nerve roots and clinical symptoms in patients with lumbar disc herniation / 中国医学影像技术

Objective To explore changes of parameters of compressed nerve roots on diffusion tensor imaging (DTI) and relationship between the parameters and symptoms assessed with Oswestry disability index (ODI) and visual analogue score (VAS) in patients with lumbar disc herniation.Methods Twenty-five patients confirmed by surgery for single compressed nerve root with lumbar disc herniation who underwent DTI scanning before operation were enrolled.All patients were scored using ODI and VAS,and the areas of characteristic leg pain were compared with compressed nerve root for ODI and VAS.Results FA values of the compressed and normal nerve roots of these patients were 0.26 ±-0.05 and 0.36-±-0.05,while ADC values were (1.69 ±-0.32) × 10-3 mm2/s and (1.56 ± 0.21) × 10-3 mm2/s,respectively.Negative correlation was found between FA values of the compressed nerve roots and ODI (r=-0.88,P＜0.01) as well as VAS (r=-0.66,P＜0.01),but no correlation between ADC values and ODI (r=0.30,P =0.15) nor VAS (r=0.36,P =0.08) was found.Conclusion FA values derived from DTI maybe vital parameters of quantifying changes of structure of nerve root.Injury of nerve root structure in patients with lumbar disc herniation could be crucial for clinical symptoms.

Analysis of the Equity of Health Resources Allocation of Traditional Chinese Medicine in China Based on the Agglomeration Degree / 中国医院管理

Objective To analyze the situation and change trend of health resources allocation of traditional Chinese medicine (TCM).Methods The agglomeration degree is used to analyze the situation and change trend of health resources allocation of TCM in different regionS.Results The regional disparity of health resource allocation of TCM is large,and the equity of health resources allocation according to geography and population needs to be further improved and optimized.Conclusion The availability of health resources of TCM should be improved,and the diversified needs of TCM in different regions be met.

Blink restoration by the functional electrical stimulation in unilateral facial nerve palsy rabbits / 中华耳鼻咽喉头颈外科杂志

<p><b>OBJECTIVE</b>Tocompare the effects of different waveforms and parameters of electrical stimulation to elicit a blink, and construct a functional electrical stimulation (FES) system to restore synchronous blink in unilateral facial nerve palsy (FNP).</p><p><b>METHODS</b>Firstly, twenty-four rabbits were surgically induced unilateral FNP and were divided into three groups, who received square, sine and triangle pulse wareforms, respectirely. Both the healthy and the paralysis eyelids of the rabbits received pulse train stimulation to produce a blink in both eyes. For each rabbit, twenty-seven combinations of frequencies (25 Hz, 50 Hz and 100 Hz) and nine pulse widths (1-9 ms) were stimulated. The threshold amplitude and electric charge to elicit a blink was compared between different waveforms and different parameters. Secondly, a FES system was constructed to treat six surgically induced unilateral FNP rabbit chosen in the twenty-four rabbits, it consisted by an electromyogram (EMG) amplifier module which record the EMG of the healthy muscle, and a stimulator which received the EMG input and output a pulse train stimulation when triggered by the EMG.</p><p><b>RESULTS</b>When the carrier frequency of the pulse train was 25 Hz, it was not able to induce a smooth blink. However, when the carrier frequencies were 50 Hz and 100 Hz, a smooth blink could be induced. The voltage required by 100 Hz was lower than 50 Hz, but it cost more electric charge. The amplitude that square waveforms required was far lower than sine and triangle, but the electric charge between the three waveforms was similar. Synchronous blink could be restored in the six unilateral FNP rabbits with the FES system.</p><p><b>CONCLUSIONS</b>To elicit a blink, square pulse train delivered in 50 Hz is a preferable option. The motion of the healthy eyelids as a source of information for stimulation of the paralyzed sides can restore the synchronous blink in unilateral FNP rabbits.</p>

Cochlear implantation with pericanal electrode insertion technique / 临床耳鼻咽喉头颈外科杂志

OBJECTIVE@#To investigate the surgical technique of the pericanal electrode insertion technique for ies cochlear implantation.@*METHOD@#Forty cases of sensorineural deafness were subjected to the ies cochlear implants. Cochleostomy was performed through the external auditory canal with a microdrill anterior to the round window. The electrode impedance and electrically auditory brainstem responses(EABR) were tested during the operation. The X-ray photographs were taken after the operation. The cochlear implant was activated in all 40 cases 4 weeks following surgery.@*RESULT@#All of the electrodes were inserted and all of the implants worked well. No electrode extrusions or serious surgical complications happened during postoperative observation for 6 months.@*CONCLUSION@#The pericanal electrode insertion technique is a safe approach for ies cochlear implantation.

Endoscopic ultrasonography in canine nasal cavity / 中华超声影像学杂志

Objective To explore techniques of endoscopic ultrasonography for nasal cavity and its accuracy. Methods Under the guidance of nasal endoscope, ultrasonography of nasal cavity was performed by using a 10 MHz,3. 3 mm section probes. Thirty nasal cavities of 15 normal canine were scanned under general anesthesia. The sink experiment was used to decrease the influence of the ultraphonic artifact and to correct the data error. Results In gray scale ultrasound,most mucous and submucous tissue within nasal cavity were hypoechoic, the septal cartilage was echoless, and the cartilaginous membrane of the septal cartilage showed a consecutive hyperechogenicity line. The average thickness of the nasal septum and the average thickness of the inboard mucous and submuous of the inferior turbinate were (1. 87 0. 33)mm and (2.96 0.36) mm respectively. The rich blood flowing signals were observed by CDFI in soft tissues mentioned above. Pulsed Doppler of the nasal septum showed a venous waveform with the velocity ranging from 3. 1 to 13.8 cm/s and the arterial waveform with the peak systolic velocity of 10 to 54.8 cm/s, resistance index ranged from 0. 31 to 0. 57. Pulsed Doppler of the inferior turbinate showed a venous waveform with the velocity ranging from 4. 0 to 17. 3 cm/s and the arterial waveform with the peak systolic velocity of 7.5 to 79.6 cm/s, resistance index ranged from 0.25 to 0.62. Conclusions With correction factor,nasal endoscopic ultrasonography was accurate in localizing structures with clear images and high resolution. It could be a new imaging modality of diagnosing nasal mucosal and submucosal disorderes.

The School Education on life value After the Earthquake 5.12 / 中国医学伦理学

It is an evasive topic on life value education post-disaster when the earthquake reconstruction has started off.Considering the experience and lessons learned from the earthquake,this article expailns the contents of post-disaster life education at school and puts forward some suggestions on how to carry on the education of life value.