1.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.
2.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.
3.Q-switched Nd∶YAG laser in treatment of nevus of Ota: report of 326 cases
Lisen YUAN ; Lei YU ; Feng CHEN
Chinese Journal of Medical Aesthetics and Cosmetology 2001;0(03):-
Objective To analyze the clinical treatment in patients with nevus of Ota with Q switched Nd∶YAG Laser. Methods Total 326 patients nevus of Ota were treated. According to the shade of pigment, age and gender of the patients, the different technical parameters were selected. Results After 2 4 times of treatment, excellent results were obtained in 221 patients, good in 74 patients, and improved in 31 patinets. The total effective rate was 90.5 %. After treatment, the skin exposured to the laser in the patients had reaction of continued pigmentation in different degree. Usually, the above reaction will gradually disappeared without any scar formation. Conclusion Satisfactory results are obtained in patients with nevus of Ota treated with Q switched Nd∶YAG laser. [
4.Transplantation of marrow mesenchymal stem cells through renal artery in repair of acute tubular necrosis in nude mice
Xinggang DONG ; Jian FENG ; Zhiman YU ; Yuan GUO
Academic Journal of Second Military Medical University 1985;0(06):-
Objective:To investigate whether transplantation of mesenchymal stem cells(MSCs)through renal arteries can protect kidney from acute tubular necrosis(ATN),so as to lay a foundation for MSC transplantation in treatment of ATN.Methods:Five-week-old nude mice were randomly divided into three groups:normal control group(n=10),acute tubular necrosis(ATN)model group without(n=10)and with MSCs treatment group(n=11).ATN nude mice were induced with 50% glycerin.MSCs labeled with enhanced green fluorescent proteins(EGFP)were injected into kidney through renal arteries.Serum creatinine was determined in all groups and pathological changes of renal tissues were detected using H-E staining.The amount and distribution of the EGFP-marked MSCs in renal tissues were determined with fluorescence microscope.Results:Degeneration and exfoliation of renal tubular epithelial cells,and even renal tubular tamponade with cast-off cells were observed in the ATN group;these pathological changes were mainly located at renal cortex and juncture of renal cortex and medulla.The damages were greatly alleviated in the ATN+MSCs transplantation group,with no swelling of epithelial cells,nuclear condensation or edema.Fourteen days after MSCs transplantation,EGFP positive cells were increased in renal tubules of recipient mice.Conclusion:The MSCs transplantation via renal artery can locate in renal tubular epithelium,and promote the repair of injured renal tubular epithelial cells.
5.The efficacy of different embolic agents to block bronchial artery for massive hemoptysis secondary to bronchiectasis or pulmonary tuberculosis
Xin YUAN ; Feng TIAN ; Jun ZHOU ; Guomin JIANG ; Xiaowei YU
The Journal of Practical Medicine 2017;33(9):1464-1467
Objective To investigate the efficacy of gelatin sponge particles(GSP)or polyvinyl alcohol particles (PVA) for hemoptysis secondary to bronchiectasis or pulmonary tuberculosis. Methods The clinical data on 271 patients with bronchiectasis- or tuberculosis-induced hemoptysis were retrospectively analyzed. The efficacy and rates of recurrence and complications were analyzed. Results A total 271 patients were included in this study, 176 of whom suffered from bronchiectasis and the rest 95 had tuberculosis. One-week cure rate was signifi-cantly higher in bronchiectasis group than in tuberculosis group(73.3%vs. 46.3%,P<0.05),and one-year recur-rence rate was significantly lower in bronchiectasis group(17.6%vs. 26.3%,P<0.05). One-year recurrence rate was slightly higher in patients receiving GSP than in those undergoing PVA(bronchiectasis group:22.2%vs. 10.3%, P<0.05;tuberculosis group:28.8%vs. 22.2%,P>0.05). No severe complications occurred. Conclusions In-terventional artery embolization therapy for hemoptysis secondary to bronchiectasis is better than tuberculosis-induced hemoptysis,and PVA is more effective than GSP. Recurrence of massive hemoptysis mostly occurrs within one month ,and most of the patients are complicated with blood supply and have a history of hemoptysis.
6.Clinical value of monitoring of plasma docetaxel concentration in patients with breast cancer in AC -T sequential chemotherapy
Jing YU ; Hongmei ZHENG ; Feng YUAN ; Cuiping PAN
Chinese Journal of Primary Medicine and Pharmacy 2017;24(5):689-692
Objective To investigate the relationship between plasma docetaxel concentration and the efficacy as well as toxic and side effects in patients with breast cancer after chemotherapy.Methods Seventy -one patients with breast cancer who accepted AC sequential T chemotherapy regimen as first line treatment were selected from April 2015 to September 2015 in Hubei Provicial Tumor Hospital.The plasma concentration of docetaxel was detected by latex immunoturdidimetry after the docetaxel continuous infusion in each cycle.The three groups were assigned according to the concentration distribution of docetaxel:group A (plasma concentration docetaxel ≤ 2.0mg·h -1 · L -1 ),group B (2.1 -2.5mg·h -1 ·L -1 )and group C (≥2.6 mg·h -1 ·L -1 ).The relationship between the drug plasma concentration,therapeutic efficacy and adverse reactions in different docetaxel plasma concentration was analyzed retrospectively by Chi -square tests.Results The average plasma concentrations of docetaxel of the three groups were (1.55 ±0.36)mg·h -1 ·L -1 ,(2.28 ±0.13)mg·h -1 ·L -1 ,(2.87 ±0.38)mg· h -1 · L -1 respectively.The adverse reactions were enhanced with the increasing of docetaxel plasma concentration (χ2 =5.169, 4.463,3.630,P =0.023,0.035,0.047).The therapeutic efficacy of group C and group B was same(95.8%),which was higher than 87.0% of group A,but there was no statistically significant difference (χ2 =1.559,P =0.24). Conclusion Breast cancer patients whose plasma concentration of docetaxel is between 2.1 ~2.5mg·h -1 ·L -1 has a better prognosis,and its adverse reactions are controlled in a certain extent.
7.Lengthened proximal femoral nail antirotation for femoral shaft fractures combined with ipsilateral femoral neck fractures
Shanzhu LI ; Hongmou ZHAO ; Feng YUAN ; Hui ZHU ; Guangrong YU
Chinese Journal of Trauma 2012;28(9):801-804
Objective To investigate the methods and results of lengthened proximal femoral nail antirotation (PFNA) in the treatment of femoral shaft fractures combined with ipsilateral femoral neck fractures. Methods Of the 21 patients with femoral shaft combined with ipsilateral femoral neck fractures treated by lengthened PFNA from 2006 to 2009,16 patients with complete follow-up were retrospectively studied.There were 15 males and 1 female,at mean age of 35 years (range,21-51 years).Injury causes were all high-energy trauma including traffic injuries in 11 patients and fall injuries in five.According to Garden classification,there were seven patients with type Ⅰ femoral neck fractures,six with type Ⅱ and three with type Ⅲ.Femoral shift fractures contained six superior part fractures and nine medial part fractures and one inferior part fracture.According to Winquist classification,there were two patients with type Ⅰ femoral shaft fractures,four with type Ⅱ,six with type Ⅲ and four with type Ⅳ.Two patients had open fractures belonging to type Ⅰ Gustilo-Anderson.Harris hip score was used to evaluate functional outcomes at the last follow-up postoperatively. Result The mean follow-up time was 2.4years (range,1-4 years ).The mean period for healing of femoral neck and shaft fractures was 4.2months ( range,3-6 months) and 5.1 months ( range,3-8 months) respectively.Four patients showed delayed diagnoses of femoral neck fractures ; two patients had delayed union of femoral shaft fractures ; one suffered from avascular necrosis of the femoral head ; one patient presented 3 cm of extension of the affected limb and was accompanied by active pain of the knee joint for over four months.According to Harris score,function of hip joints was excellent in seven patients,good in six and fair in three,with excellence rate of 82%. Conclusions It is relatively few that the femoral shaft fracture is combined with ipsilateral femoral neck fracture.The rate of missed diagnosis of femoral neck fractures is high and the patients with high energy trauma hould be highly paid attention to.Lengthened PFNA conforms to characteristics of biomechanical fixation and presents short operation time and solid fixation. Lengthened PFNA achieves affirmatory effects for treatment of femoral shaft fractures combined with ipsilateral femoral neck fractures.
8.Comparative early results on off-pump versus on-pump coronary artery bypass grafting(CABG) in elderly patients
Feng SHEN ; Zhongxiang YUAN ; Jian LIU ; Ming YU
Chinese Journal of Geriatrics 2014;33(1):32-34
Objective To compare the outcomes of off-pump versus on-pump CABG.Methods From 2002 to 2008,CABG was performed in 105 patients aged 80 years and over,including 45 without cardiopulmonary bypass (CPB) or off-pump (OP) CABG (OPCAB) and 60 with CPB (onpump CABG).The outcomes were compared between two groups.Results The mean ICU stay was (37.1±30.3) h in OPCAB group and (60.6±58.2) h in on-pump CABG group (P<0.01).Average ventilator-assisted time was (10.8±9.7) h for OPCAB group versus (22.3±35.7) h for onpump CABG group (P<0.01).Postoperative atrial fibrillation occurred in 31.1% of OPCABG patients and 41.7 % of on-pump CABG patients (P<0.01).The mortality rate was 5.0% in OPCABG group versus 8.3% in on-pump CABG group (P<0.05).Conclusions OPCABG is a safe and efficient method of myocardial revascularization in the elderly patients with lower morbidity and complications.
10.A study about prevalence rate and risk factors of preoperative deep venous thrombosis of osteoporotic hip fracture in senile patients
Xiang XIAO ; Kaiqiang FENG ; Yu YUAN ; Jin HUANG ; Yi WANG
Chinese Journal of Orthopaedics 2015;35(11):1084-1090
Objective To census the preoperative prevalence rate of deep venous thrombosis (DVT) and to evaluate the risk factors of DVT in senile osteoporotic hip fractured patients.Methods The object of study were patients aged 60 and above, and osteoporotic hip fracture by low energy injury in 2013.Based on medical records, all the patients with osteoporotic hip fracture were evaluated the signs and symptoms of DVT in 24 h, D-dimer test and underwent Doppler ultrasound screening of bilateral venous system in lower extremity after admission, and all the patients received preoperative prophylactic anticoagulation.Patients with popliteal and proximal level thrombus or floating thrombus underwent inferior vena cava (IVC) filter insertion.Outcome measures: age, gender, fracture type, D-dimer value in 24 h preoperatively, occurrence time of DVT and region, grade of preoperative American Society of Anesthesiologists, preoperative medical diseases.Results 702 of 946 hip fracture inpatients were comprised in this retrospective study.All were not founded any symptom or signs of DVT.All patients were took preoperative Doppler ultrasound screening and the results as follows: 36 of 302 patients (11.9%) with femoral neck fracture were proved preoperative thrombosis(13 male, 23 female), the average age was 72.7 year-old(range from 62-90 year-old), on the same side as the fractured hip in 31 patients, bilateral thrombosis in 5 patients.74 of 400 patients (18.5%) with intertrochanteric fracture were proved preoperative thrombosis(38 male, 36 female), the average age was 76 year-old (range from 60-95 year-old), on the same side as the fractured hip in 68 patients, bilateral thrombosis in 6 patients.The most prevalence rate of DVT were in the first day after osteoporotic hip fracture, 15 patients (41.7%) with femoral neck fracture and 38 patients (51.40%) with intertrochanteric fracture.There were more proximal level and multiple level involment thrombosis over 5 days after injury.The most thrombosis were proven at calf and popliteal vein.Conclusion The prophylaxis of DVT should be started even in the emergency department in senile patient with osteoporotic hip fracture.To avoid the risk factors, early surgery and early postoperative mobilization will be effective.