1.Development of glucometer based on ferrocene-mediated enzyme electrode
Chinese Medical Equipment Journal 1989;0(02):-
A portable glucometer is developed with ferrocene as an electron mediator, which is characterized by being easy to operate and portable with the small size of 94.3mm?49.2mm?17.8mm. With this meter, the detection result can be available in no more than 20 seconds with about 1.5?l of blood drawn. The meter has a measurement range from 50mg/dl to 500mg/dl and a precision of 1mg/dl. The measurements are compared with the ones from USI 2300 Stat Plus approved by FDA. The coefficient of variation is from 3.0% to 7.8%, and the availability of linear relationship (y=1.006x-1.37, r=0.990, n=1.18) and comparability are demonstrated. Error table analysis proves that all of measurements are in the acceptable A and B sections. The meter is a validated diagnostic system for in vitro blood glocuse.
2.The effect of granulocyte-macrophage colony-stimulating factor on rat calcitonin
Guangrong DAI ; Yongli ZHANG ; Bingyin SHI
Journal of Xi'an Jiaotong University(Medical Sciences) 1982;0(01):-
Objective To investigate the effect of granulocyte-macrophage colony-stimulating factor(GM-CSF) on rat calcitonin(CT).Methods A total of 48 SD healthy rats were randomly divided into control group,low GM-CSF(10?g/kg?d) and high GM-CSF dosage(50?g/kg?d) groups.The rats in experimental groups were continuously treated by an intraperitoneal application of GM-CSF for over 7 days.The level of calcitonin was measured by radioimmunoassay(RIA),and the serum calcium(Ca),ALP and phosphorus(P) were examined by biochemical method.Results The level of the serum calcium in high-dosage GMCSF group was lower than that in the control group(P0.05).Conclusion The high dosage GM-CSF can decrease the serum calcium;the low-and high-dosage GM-CSF can decrease the serum calcitonin,but has no effect on the level of serum phosphorus and ALP.
3.Posterior dislocation of the elbow with radial head and ulnar coronoid fractures(terrible triad):a report of 5 cases
Shimin ZHANG ; Guangrong YU ; Feng YUAN
Orthopedic Journal of China 2006;0(14):-
[Objective]To introduce the new concept of "terrible triad of the elbow",and report the preliminary results of 5 clinical cases.[Method]From April 2004 to March 2007,five cases met the diagnosis of terrible triad,with posterior dislocation of elbow complicated with radial head and ulnar coronoid fractures.The radial head fractures were 4 in type Ⅱ and I in type Ⅲ according to Mason classification,and Ⅰ in type Ⅰ,Ⅲ in type Ⅱ and 1 in type Ⅲ according to Schatzker classification.The ulnar coronoid fractures were Ⅰ in type Ⅰ,Ⅳ in type Ⅱ according to Regan-Morrey classification,and all 5 in type Ⅰ according to O'Driscoll classification.Four patients underwent surgical operations.The fractured radial head and ulnar coronoid were reduced and fixed with 3mm titanic lag screws or K wires,the lateral and medial collateral ligaments were repaired with Krachow sutures.A plaster of Paris was applied for 3 weeks after operation,in position with elbow flexion in 90 degrees and forearm rotation in neutral.Then physical exercise and rehabilitation program were carried out.[Result]Four operated patients were followed up for 3 months to 3 years,with healed fractures,stable elbow and no pain movement.The average range of elbow flexion-extension were 120 degrees,and forearm pronationsupination were 110 degrees,respectively.The functional outcome in 3 cases that followed up more than Ⅰ year was excellent in 2 and good in Ⅰ according to Mayo Elbow Performance Score(MEPS).The result of the un-operated case was poor in MEPS evaluation.Elbow instability and pain was the main complaint.[Conclusion]Terrible triad of posterior dislocation with radial head and ulnar coronoid fractures is a severe trauma to the elbow.Operative osteosythesis and ligament repair is mandatory for concentric reduction and elbow stability.
4.Granulocyte-macrophage colony-stimulating factor down-regulates rat thyroid C cells
Yongli ZHANG ; Guangrong DAI ; Bingyin SHI
Journal of Medical Postgraduates 2003;0(12):-
Objective:To investigate the influence of the granulocyte-macrophage colony-stimulating factor(GM-CSF) on rat thyroid parafollicular cells(C cells).Methods: A total of 48 healthy SD rats were randomly and equally divided into a control group,a low dose group(GM-CSF 10 ?g/kg?d-1) and a high dose group(GM-CSF 50 ?g/kg?d-1).The latter two groups were treated by intraperitoneal administration of GM-CSF at their respective doses for 7 days,and then the thyroid parafollicular cells were stained by immunohishtochemical streptavidin-peroxidase(S-P) technique and their number counted.Results: The number of C cells was(67.43 ? 13.73)in the high dose group,significantly smaller than that of the low dose group(85.97 ? 20.12)(P
5.Re-discussion on Treatment based on Syndrome Differentiation and its Standardized Operation
Lixing HUANG ; Yingfeng LIU ; Guangrong ZHANG
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(02):-
Three problems of treatment based on syndrome differentiation, TBSD are discussed here. Firstly, in allusion to the diversity of the concept of TBSD, the due medical concept of it are discussed and analyzed. Hence, the actual difference and sameness, the due relationship as well as the principle of management between syndrome differentiation and disease differentiation are fully compared. Finally, the concrete operation procedure of syndrome differentiation and disease differentiation are expounded. The author detailedly introduced particular cognition to standardized operation of TBSD attained from Yao Hesheng, a famous physician in Jiangxi Province.
6.Experimental study of subtalar and ankle joint in hind foot motion
Guangrong YU ; Yunfeng YANG ; Kai ZHANG
Chinese Journal of Orthopaedics 1999;0(04):-
Objective To investigate the properties of hind foot motion and it's changes in ankle or subtalar joint arthrodesis. Methods Eight fresh frozen adult leg-foot specimens were mounted in a coordinated system, a Steinmann pin was perforated across the calcaneus as a marker. The displacements of the marked points in the coordinated system were recorded when subtalar or ankle joint was fixed respectively. Through matrix translation and Euler equation, the angle of the calcaneus rotation were calculated, representing the motion of the subtalar and ankle joints in different condition, Statistical analysis were also taken between different conditions. Results Three dimensional (3-D) motion was observed in hind foot motion. The range of motion with ankle joint fixation was: inversion 15.99??2.81?, eversion 8.62??1.90?, dorsiflexion 3.70??1.00?, plantar flexion 5.87??1.39?, adduction 7.64??2.04?, and abduction 3.99??1.78?. When subtalar joint was fixed, they were: 7.13??1.07?, 5.52??0.85?, 17.09??2.87?, 30.75??5.04?, 10.77??1.56?, and 6.54??1.88? respectively. While they were 22.62??3.21?, 40.88??5.77?, 18.87??3.89?, 9.12??2.05?, 17.48??2.26? and 11.47??2.29?, when no joint was fixed. Arthrodeses of ankle or subtalar joint would affect the hindfoot motion significantly (P
7.Resection of periacetabular tumors and reconstruction with fibular autograft
Guangrong YU ; Feng YUAN ; Shimin ZHANG
Chinese Journal of Orthopaedics 2001;0(06):-
Objective To investigate the clinical results of resection of periacetabular tumors and reconstruction with fibular autograft. Methods Eight patients with tumors around acetabular were treated surgically in Tongji Hospital between January 1999 and April 2003. The series comprised 5 males and 3 females, with an average age of 39.6 years old (range, 21-65 years old). One patient was diagnosed with osteosarcoma, 2 with chondrosarcoma, 3 with metastatic bone tumor, 1 with giant cell tumor(GCT), and 1 with aneurysmoid bone cyst. There were ⅠB in one patient, ⅡB in 3 patients according to Enneking surgical staging in four primary malignant tumors patients. The tumors involved the zones Ⅱ of Enneking classification in 5 patients, the zonesⅠand Ⅱin 3 patients. All the 8 patients with periacetabular tumors underwent resection and reconstruction with fibular autograft(including 3 cases of a free vascularized fibular graft). Functional results were evaluated according to the system of the Musculoskeletal Tumor Society. Results Bony union occurred 15.2 weeks (range 14-16 weeks) in 5 patients reconstructed with non-vascularized fibular graft and 13.6 weeks (range 12-15 weeks) in 3 patients reconstructed with vascularized fibular graft after the initial surgery. Five of them were followed up ranged from 14 to 42 months (mean 28 months). There were continuously disease-free without complications during follow-up. At the final followup, the average functional score was 22 (range 18-27) according to the system of the Musculoskeletal Tumor Society. The good and excellent rate of functional results was 100%. Conclusion Tumor resection and reconstruction by fibular autograft is an effective treatment for patients with periacetabular tumors. Satisfactory postoperative function was obtained, and relief of pain and walking independently could be achieved with a high level of patient satisfaction.
8.Operative treatment for posterior tibial tendon dysfunction
Guangrong YU ; Yanxi CHEN ; Shimin ZHANG
Chinese Journal of Orthopaedics 2000;0(11):-
Objective To discuss the methods of the operative treatment for posterior tibial tendon dysfunction (PTTD). Methods From December 2002 to June 2005, 8 cases of PTTD were treated with operations, including 2 males and 6 females with an average age of 47 years (range, 36 to 56 years). Left side was involved in 6 cases, and right side was affected in 2 cases. Stage Ⅱposterior tibial tendon dysfunction were 2 feet and stage Ⅲ were 6 feet. Every case with special operative treatment, for instance lateral column lengthening, arthrodesis, repair posterior tibial tendon, spring ligament reefing, flexor digitorum longus tendon transfer and so on. Every bone operation was combined with one or more than one sofe tissue operation. Anterior transfer and strengthening of posterior tibial tendon were performed in 4 cases, spring ligament reefing in 2 cases, flexor digitorum longus tendon transfer in 4 cases. All patients were fixed with plaster cast at inversion position for 4-6 weeks, then changed to plaster splint fixing at neutral position for 4 weeks. Functions of ankle and foot were evaluated before and after operation. Results All patients were followed up for an average of 28 months(range, 12 to 40 months). According to Maryland foot score, 2 were fair and 6 were failure in preoperative, 4 were excellent, 3 were good and 1 was fair in postoperative. The total excellent and good rate was 87.5%. The specific index of X-ray improve obviously(P
9.IMMUNOHISTOCHEMICAL LOCALIZATION OF THE CALCITONIN IN THE SUBMANDIBULAR GLAND OF RAT
Guangrong DAI ; Yongli ZHANG ; Bingyin SHI
Acta Anatomica Sinica 1953;0(01):-
Objective To observe the distribution of the calcitonin(CT) in the submandibular glands of rat. Methods The submandibular gland tissues of the 16 SD health rats were taken to examine by the immunohistochemical streptavidin-peroxidase(SP) technique. Results The results showed that the immunoreactive CT can be observed,they mainly distributed in serous alveoli,serous cells of mixed alveoli,and every duct were also positively immunoreactive to CT.Conclusion The submandibular glands of rat might secrete CT.This suggests that submandibular glands might be related with the regulation of calcium and phosphorus.
10.Effect of interferon adjunctive therapy on TH1/TH2 and IL-12 of patients with chronic hepatitis B
Sufen XIAO ; Yongshui SHU ; Guangrong ZHANG
Chinese Journal of Biochemical Pharmaceutics 2015;(11):83-85
Objective To explore effect of interferon adjunctive therapy on TH1/TH2 and IL-12 of patients with chronic hepatitis B. Methods 105 cases of chronic hepatitis B patients were collected.105 cases were divided into the control group and the experiment group.52 cases in the control group were treated with non antiviral therapy, 53 cases in the experiment group were treated on the base of the control group with interferon adjunctive therapy .Clinical curative effect, serum TH1/TH2 and IL-12 were compared after the treatment.Results Compared with the control group, the clinical total effective rate was higher (P<0.05); the IL-2 level in the experiment group was lower (P<0.05); the IL-4, IL-12 level in the experiment group were higher (P<0.05).Conclusion Interferon assisted therapy can improve the clinical efficiency and quality of life in patients with chronic hepatitis B, and it can be related to the decrease the level of erum IL-2, and rise the level of IL-4 and IL-12.