1.The effect of C-reactive protein in assessing the disease severity and prognosis of community-acquired pneumonia
Shuai ZHANG ; Hongxia ZHANG ; Xiaohui LI ; Zhenyang XU
Clinical Medicine of China 2012;28(2):119-121
Objective To explore the changes of serum C-reactive protein(CRP)and pneumonia severity index(PSI)of community-acquired pneumonia(CAP)and further assess the effect of CRP on the severity and prognosis of CAP.Methods One hundred and six cases of patients with CAP hospitalized from January 2009 to May 2011 were retrospectively analyzed.Patients were classified according to different assessment criteria and age(≥65 years old)and serum CRP was detected in all patients.Results CRP was correlated positively with PSI(r =0.453,P < 0.001).CRP and PSI had no correlation in elderly hospitalized patients with CAP,but CRP([81.70 ± 75.63]mg/L)correlated positively with PSI(78.30 ± 42.63)in non-elderly patients(r =0.489,P < 0.001).There was significant difference on PSI(89.24 ± 36.44 vs 53.59 ± 35.41),CRP ([106.93 ±74.76]mg/L vs[31.34 ±33.68]mg/L)between PSI severity group and PSI non-severity group (t =-4.289,-5.934,respectively,P < 0.001).Conclusion Both CRP and PSI can be used to evaluate the severity of community-acquired pneumonia,and CRP can be used as a supplement to PSI scoring system,especially in the assessment of non-elderly patients.
2.Clinical Assessment of 20G and 23G Vitrectomy for Treatment of Posterior Segment Intraocular Foreign Bodies
Qinhui JIN ; Zhenyang XIANG ; Enhui LI ; Qinzhu HUANG ; Xin ZHANG ; Haihua ZHENG
Journal of Sun Yat-sen University(Medical Sciences) 2017;38(4):576-581,封3
[Objective] To analyze the clinical curative effect of 20G and 23G vitrectomy for posterior segment intraocular foreign bodies,to explore the differences of their efficacy and safety.[Methods] This was a retrospective case study.Select 71 patients (71 eyes) who suffered from posterior segment intraocular foreign bodies and underwent different ways of vitrectomy,according to the way of vitrectomy,the patients were enrolled into 20G vitrectomy group (20G group,37 patients,37 eyes) and 23G vitrectomy group (23G group,34 patients,34 eyes).All patients were given wound suture,and patients complicated traumatic cataract should underwent cataract surgery;then were given 20G/23G vitrectomy and extraction of intraction foreign bodies,and (or) be given retinal laser photocoagulation,cryocoagulation,and endotamponade during the procedure.Extraction of intraction foreign bodies and the location of retinal,surgical time,postoperative inflammation and stimulus syndrome,length of hospital stay,the best corrected acuity (BCVA) and other complications after surgery were registered.Minimum follow-up was 6 months.[Results] The rate of extraction of intraction foreign bodies and early retinal reattachment rate were 100% of the two groups.Comparing the complications after surgery between the two groups,the differences had no statistical significance (all P > 0.05) except the incidence of postoperative ocular hypotenison.The significant difference was found in the comparison of surgical time,average hospitalizcd days,postoperative inflammation score and stimulus syndrome between the two groups,and there were significant differences when the vision distribution before and after surgery in two groups were self-compared (P < 0.05).At lastest follow up,the differences had no statistical significance when comparing the cases of unplanned surgical reoperation,the location of retinal and the vision distribution between the two groups (P > 0.05).[Conclusion] 20G and 23G vitrectomy are both safely and effectively performed in patients with posterior segment intraocular foreign bodies,the efficacy and safety of them are comparable.There is higher incidence of postoperative ocular hypotension in 23G group,and it has an ascendant than 20G group in shorter surgical time and length of hospital stay,lighter postoperative inflamnation and stimulus syndrome.
3.Orthodontic treatment of adult skeletal crossbite with mandibular deviation.
Lulu XU ; Lili CHEN ; Bowen LU ; Yang ZHANG ; Zhenyang GAO ; Hongchen LIU
Chinese Journal of Stomatology 2014;49(5):299-303
OBJECTIVETo investigate the effects of orthodontic treatment of skeletal crossbite adults with mandibular deviation.
METHODSEighteen skeletal Class III adult patients with borderline skeletal crossbite and mandibular deviation were selected (5 males, 13 females). The mean age was 25 years. All cases were treated with straight-wire appliance in upper arch and occlusal plate in the lower arch.Elastics were applied to correct mandibular deviation. Cephalometric analysis was carried out before and after treatment. Paired t-test was performed.
RESULTSAfter treatment, the anterior crossbite was corrected and Class I molar and canine relationships were achieved. The inclination of upper incisors was increased significantly.
CONCLUSIONSStraight-wire appliance combined with occlusal plate was effective on correcting adult patients with mild, moderate skeletal crossbite and mandibular deviation.
Adult ; Cephalometry ; Female ; Humans ; Incisor ; Male ; Malocclusion ; therapy ; Molar ; Orthodontic Wires
4.The role of hydrogen sulfide and cystathionine-gamma-lyase in allergic rhinitis guinea pigs.
Shaoqing YU ; Ruxin ZHANG ; Yinjian CHEN ; Jianqiu CHEN ; Geping WU ; Zhenyang GONG ; Jiangfeng TANG ; Genhong LI ; Chunsheng ZHU
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2008;22(14):654-657
OBJECTIVE:
To study the change of endogenous hydrogen sulfide (hydrogen sulfide, H2S) and its rate-limiting enzyme Cystathionine-gamma-lyase (CSE) in allergic rhinitis through guinea pigs with intervention treatment.
METHOD:
Twenty-four guinea pigs were divide into 4 groups at random, one group were models of allergic rhinitis (AR) which were established by using ovalbumin, the second group were treated with NaHS after sensitized, the third group were treated with Propargylglycine (PPG) which was suppression of CSE after sensitized, and the last group were treated with saline for control. The concentration of eotaxin of nasal lavage and H2S in plasma were recorded, and then the expression of CSE in nasal mucosa was determined by real-time fluorescence RT-PCR.
RESULT:
The concentration of eotaxin in nasal lavage of sensitized group were higher than those of control (P < 0.01), and concentration of H2S in plasma and expression of CSE in nasal mucosa were lower than control (P < 0.05). The concentration of eotaxin decreased when treated with NaHS and increased when treated with PGG (P < 0.05). Level of H2S in plasma and expression of CSE increased when treated with NaHS and decreased when treated with PGG (P < 0.05), and the level of H2S was positive linear correlate with the expression of CSE.
CONCLUSION
Endogenous H2S perhaps plays a significant role in the pathogenesis of allergic rhinitis, and it was mainly regulated by CSE.
Animals
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Cystathionine gamma-Lyase
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metabolism
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Guinea Pigs
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Hydrogen Sulfide
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metabolism
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Male
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Nasal Mucosa
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metabolism
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Rhinitis
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metabolism
5.Application of mesoesophagus suspension technique in upper mediastinal lymph node dissection during thoracoscopic esophagectomy.
Zhenyang ZHANG ; Qiancheng SONG ; Jiangbo LIN ; Mingqiang KANG
Chinese Journal of Gastrointestinal Surgery 2016;19(9):999-1003
OBJECTIVETo explore the application of mesoesophagus suspension technique to improve the upper mediastinal lymph node dissection during thoracoscopic esophagectomy in the treatment of esophageal cancer.
METHODSClinical data of 164 thoracic esophageal cancer patients who underwent combined thoracoscopic and laparoscopic esophagectomy with two-field lymph node dissection in the Union Hospital of Fujian Medical University between October 2012 and June 2015 were retrospectively analyzed. Among 164 patients, 80 cases underwent upper mediastinal lymph node dissection by traditional method (traditional group), and the remaining 84 cases underwent upper mediastinal lymph node dissection by mesoesophagus suspension technique (suspension group). The operation time, estimated blood loss, number of excised lymph nodes and postoperative complications were compared between the two groups.
RESULTSThere were no significant differences in gender, age, location of tumor and pathology stage between the two groups. The operation time in the two groups was similar. The suspension group had significantly less thoracic blood loss than traditional group [(85±5) ml vs.(140±7) ml, P=0.000]. The number of dissected lymph nodes of bilateral recurrent laryngeal nerve was more in suspension group [median (interquartile range): left: 3 (2 to 4) vs. 2 (1 to 3), P=0.013; right: 3(2 to 6) vs. 2(1 to 3), P=0.007]. There was no significant difference in metastatic rate of lymph node in different sites between the two groups. The highest metastatic rate of suspension and traditional group was found at paracardia lymph nodes[22.6%(19/84) and 22.5%(18/80)], the next was at right laryngeal nerve lymph nodes [17.9%(15/84) and 15.0%(12/80)] and left laryngeal nerve lymph nodes [16.7%(14/84) and 12.5%(10/80)]. There were no significant differences with regard to the incidence of major postoperative complications between two groups, including respiratory complication, anastomotic leakage, vocal cord palsy.
CONCLUSIONSUpper mediastinal bilateral recurrent laryngeal nerve lymph node is the predilection site of lymphatic metastasis of thoracic esophageal cancer. Application of mesoesophagus suspension technique in thoracoscopic esophagectomy can improve the clearance quality of bilateral recurrent laryngeal nerve lymph nodes.
Anastomotic Leak ; Blood Loss, Surgical ; Esophageal Neoplasms ; surgery ; Esophagectomy ; adverse effects ; methods ; Female ; Humans ; Laparoscopy ; Lymph Node Excision ; adverse effects ; methods ; Lymph Nodes ; anatomy & histology ; pathology ; surgery ; Lymphatic Metastasis ; physiopathology ; Male ; Mediastinum ; surgery ; Operative Time ; Postoperative Complications ; Recurrent Laryngeal Nerve ; physiopathology ; Retrospective Studies ; Treatment Outcome
6.Progress of gut microbiota in infectious complications of acute leukemia
Quanlei ZHANG ; Chunji GAO ; Zhenyang GU
Journal of Leukemia & Lymphoma 2024;33(7):438-441
Infection is an important cause of early death in patients with acute leukemia, and exploring how to reduce infectious complications during intensive chemotherapy for acute leukemia is of great theoretical and practical significances. Studies have shown that the intestinal flora of leukemia patients undergoes significant changes in the process of receiving treatment, and the changes in the intestinal flora of acute leukemia patients are closely related to the occurrence of infectious complications after chemotherapy. This article reviews the characteristics of intestinal flora, the relationship between intestinal flora and infectious complications, and the methods to restore the diversity of intestinal flora in acute leukemia patients.
7.Orthodontic treatment of adult skeletal crossbite with mandibular deviation
Lulu XU ; Lili CHEN ; Bowen LU ; Yang ZHANG ; Zhenyang GAO ; Hongchen LIU
Chinese Journal of Stomatology 2014;(5):299-303
Objective To investigate the effects of orthodontic treatment of skeletal crossbite adults with mandibular deviation. Methods Eighteen skeletal Class Ⅲ adult patients with borderline skeletal crossbite and mandibular deviation were selected (5 males,13 females). The mean age was 25 years. All cases were treated with straight-wire appliance in upper arch and occlusal plate in the lower arch. Elastics were applied to correct mandibular deviation. Cephalometric analysis was carried out before and after treatment. Paired t-test was performed. Results After treatment, the anterior crossbite was corrected and Class Ⅰ molar and canine relationships were achieved. The inclination of upper incisors was increased significantly. Conclusions Straight-wire appliance combined with occlusal plate was effective on correcting adult patients with mild, moderate skeletal crossbite and mandibular deviation.
8.Epidemiological characteristics and influencing factors of influenza in Gaoming District of Foshan in 2017 - 2021
Jinjiang ZHANG ; Zhenyang YE ; Qiangchao HUANG
Journal of Public Health and Preventive Medicine 2023;34(6):104-107
Objective To analyze the epidemic characteristics and influencing factors of influenza in Gaoming District of Foshan City from 2017 to 2021, and provide theoretical basis for influenza prevention in Gaoming District of Foshan City. Methods According to the influenza data in Gaoming District of Foshan City, descriptive analysis was made on the epidemiological characteristics. With the duration of influenza as the outcome variable and the time of taking measures, gathering place, influenza virus typing and influenza vaccination as independent variables, logistic regression was used to analyze the influencing factors of the duration of influenza. Results From 2017 to 2021, 5 782 influenza cases were reported in Gaoming District of Foshan City, with male (51.45%) higher than female (48.55%). The age of influenza onset was mainly 3-8 years old (50.47%). The incidence season was mainly concentrated in winter (69.82%). From 2017 to 2021, influenza cases in Gaoming District of Foshan were mainly in nursery care children (49.44%) and primary schools (29.78%). The influenza viruses that caused the outbreak were mainly A H1N1 (48.88%) and B Yamagata (23.11%). Multivariate logistic regression analysis showed that the time of action and vaccination status were protective factors for the duration of influenza epidemic. Conclusion In Gaoming District of Foshan, influenza is mainly concentrated in children aged 3 to 8 years old, especially in winter. Children in kindergartens and primary schools are the places of high incidence of influenza. It is necessary to advocate active vaccination of students and take rapid measures to reduce the duration of influenza outbreak.
9.Follow the law of balance to improve the clinical and scientific research level of wound repair
Zhenyang XIAO ; Zhihu LIN ; Mingzhu WANG ; Jiaqin XU ; Yu LIU ; Wu XIONG ; Xi ZHANG ; Jianda ZHOU
Journal of Chinese Physician 2021;23(12):1761-1763
Wound repair is a fundamental task that the whole field of the Burn and Plastic surgery pays urgent attention to and longs for a breakthrough. In this column, wound repair balance laws theory is expounded and we are expecting people in the field gradually began to value the use of balance law. Guided by the law of balance principle, people are required to conduct scientific research, improve clinical technique and develop new materials. The theory is designed to improve the level of scientific research and clinical diagnosis, and will set up a new milestone in the field of wound repair.
10.A multi-modal feature fusion classification model based on distance matching and discriminative representation learning for differentiation of high-grade glioma from solitary brain metastasis
Zhenyang ZHANG ; Jincheng XIE ; Weixiong ZHONG ; Fangrong LIANG ; Ruimeng YANG ; Xin ZHEN
Journal of Southern Medical University 2024;44(1):138-145
Objective To explore the performance of a new multimodal feature fusion classification model based on distance matching and discriminative representation learning for differentiating high-grade glioma(HGG)from solitary brain metastasis(SBM).Methods We collected multi-parametric magnetic resonance imaging(MRI)data from 61 patients with HGG and 60 with SBM,and delineated regions of interest(ROI)on T1WI,T2WI,T2-weighted fluid attenuated inversion recovery(T2_FLAIR)and post-contrast enhancement T1WI(CE_T1WI)images.The radiomics features were extracted from each sequence using Pyradiomics and fused using a multimodal feature fusion classification model based on distance matching and discriminative representation learning to obtain a classification model.The discriminative performance of the classification model for differentiating HGG from SBM was evaluated using five-fold cross-validation with metrics of specificity,sensitivity,accuracy,and the area under the ROC curve(AUC)and quantitatively compared with other feature fusion models.Visual experiments were conducted to examine the fused features obtained by the proposed model to validate its feasibility and effectiveness.Results The five-fold cross-validation results showed that the proposed multimodal feature fusion classification model had a specificity of 0.871,a sensitivity of 0.817,an accuracy of 0.843,and an AUC of 0.930 for distinguishing HGG from SBM.This feature fusion method exhibited excellent discriminative performance in the visual experiments.Conclusion The proposed multimodal feature fusion classification model has an excellent ability for differentiating HGG from SBM with significant advantages over other feature fusion classification models in discrimination and classification tasks between HGG and SBM.