1.Evaluation of the value of anaerobic culture in bacterial contamination forapheresis platelets
Chinese Journal of Blood Transfusion 2017;30(7):826-828
Objective To determine the potential deficiency due to lack of anaerobic culture and evaluate the effect to reduce adverse reaction associated to transfusion-translated bacterial infection.Methods The result of 9 758 units of apheresis platelet concentrates (PCs)detected with automated microbial detection system were reviewed and the medical records of the patients that received the contaminated PCs were followed.Results The confirmed positive rates by aerobic and anaerobic cultures were 0.06% (6/9 758)and 0.16% (16/9 758),respectively.In 10 of 16 yield cases,only the anaerobic culture was positive.The most of the bacterial detected by anaerobic culture only were Propionibacterium acnes.Their mean detection time from inoculation was 96.8±18.21 hours.Conclusion Addition of anaerobic culture would enhance the detection of bacterial contamination in PCs.However,since only slow-growing bacteria were detected,and because their clinical significance was debatable,blood service should select feasible and costeffective projects using only aerobic bottle for bacterial screening,like the majority of licensed blood centers in North America and Hong Kong,China.
2.Reasons for low vision after surgery of elderly cataract patients of Disabled Persons' Federation in Hangzhou
Qibin XU ; Guozhong XU ; Liwei ZHU
Chinese Journal of General Practitioners 2014;13(7):585-587
Retrospective analyses of clinical data were performed for 518 elderly cataract patients (856 eyes) of Disabled Persons' Federation in Hangzhou,Zhejiang Province.For 69 eyes (8.06%),corneal edema was a major factor of low vision during early postoperative period; for 23 eyes (2.69%),delayed cataract was an important cause of low vision during long-term postoperative period.The best corrected visual acuity of 120 eyes caused by nonsurgical factors was diabetic retinopathy (48 eyes,48.00%),senile macular degeneration (25 eyes,20.80%),high myopia retinopathy (17 eyes,14.20%),optic never injury in glaucoma (16 eyes,13.30%),macular membrane & hole (5 eyes,4.20%) and amblyopia & corneal leucoma (9 eyes,7.50%).Retinal disease is the most important reason of low vision after cataract surgery.And surgery remains the most effective treatment for cataract.
3.Protection of superior parathyroid glands by improving dissection procedure of thyroid superior pole in total thyroidetomy surgery
Liwei MENG ; Yingchun XU ; Liming HUANG
Chinese Journal of Endocrine Surgery 2017;11(1):40-44
Objective To investigate the protection of superior parathyroid glands by improving dissection procedure of thyroid superior pole in total thyroidectomy surgery.Methods 136 consecutive cases undergoing two-step dissociating procedure of thyroid superior pole(the improved group) in total thyroidectomy plus central compartment dissections from Sep.2012 to Oct.2015 were retrospectively analyzed.Intraoperative observation of superior parathyroid and incidences of postoperative hypoparathyroidism were compared with conventional surgical methods (the conventional group) containing 113 cases from Jun.2009 to Sep.2012.All operations were performed by the same treatment group.Results Intraoperatively,249 (249/272,91.5%) superior parathyroid glands were identified in the improved group and 215 (215/226,95.1%) superior parathyroid glands were identified in the conventional group.The difference had no statistical significance (P=0.114).Whereas,among identified superior parathyroid glands,242 (242/249,97.1%)of them were conserved in situ in the improved group and 198 (198/215,92.0%) were conserved in situ in the conventional group.The difference had no statistical significance (P=0.013).Among superior parathyroid glands conserved in situ,225 (225/242,93.0%) had good blood supply in the improved group and 170(170/198,85.9%) in the conventional group.The difference had statistically significance (P=0.001).28 (28/136,20.5%) patients displayed temporary hypoparathyroidism and 2 (2/136,1.5%) cases suffered permanent hypoparathyroidism in the improved group after surgery.Whereas,in the conventional method group,a higher incidence was observed in 37 (37/113,32.7%) cases of temporary hypoparathyroidism and 7 (7/113,6.2%) cases of permanent hypoparathyroidism respectively.The difference had statisticall significance (P=0.003).Conclusions Two-step dissociating procedure technique offers protective effect on superior parathyroid glands function.It is worthy of popularization.
4.Tumor-targeting carrier equipped with cell-penetrating peptides
Weijie SHI ; Liwei BI ; Ruian XU
Chinese Journal of Cancer Biotherapy 2010;17(1):104-108,114
Equipping tumor-targeting carrier with cell-penetrating peptide with high transduction efficacy has become a trend. According to the fusion modes and tumor-targeting mechanisms, cell-penetrating peptides can be divided into five categories: first, self-targeting cell-penetrating peptides; second, fusion carriers made of targeting ligands and cell-penetrating peptides; third, cell-penetrating peptide-modified nano-carrier; fourth, tumor-microenvironment-targeting cell-penetrating peptides; fifth, other special cell-penetrating peptides. Fusion carriers, which can not be effectively released into the cytoplasm after transducted into target cells, can be further modified to increase their efficacy. In all, cell-penetrating peptide introduced into tumor-targeting carrier should provide a new era for anti-tumor pharmacy research and cancer therapy.
5.Detection of bacterial contamination with BacT/ALERT 3D in cord blood bank
Liwei ZHU ; Xuemei YANG ; Xiaoqin XU
Chinese Journal of Blood Transfusion 2002;0(05):-
Objective To define a suitable and adequate sample volume for the detection of bacterial contamination in cord blood (CB) via BacT/ALERT system. Methods A total of 1 376 cord blood units were routinely screened for aerobic and anaerobic microorganisms by culturing the erythrocyte fraction(EF) or plasma fraction(PF) with 20 ml and 10 ml sample volume. The microbial contamination was detected by BacT/ALERT 3D system, and the results of this method were compared with the improved Martin/thiogly collate broth(22 ℃) and thioglycollate broth(35 ℃).Results The rates of positive BacT/ALERT results were 1.16%(10 ml) and 1.24%(20 ml) for PF, and 3.20%(20 ml) for EF. The positive rate of Martin/thiogly collate broth(22 ℃/35 ℃) was 1.00% for EF. Conclusion Using BacT/ALERT system for microbial detection in cord blood bank can enhance the security of umbilical cord blood transplantation.
6.Optimization of Reverse Osmosis Process of Oil-Bearing Water Bodies Ultrafiltrate from Compound Chuanxiong Capsules
Ping XU ; Liwei GUO ; Zhifeng HAN
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(11):-
Objective To investigate the effect of liquid temperature, pressure, concentration, pH parameters on the membrane process and rejection in the process of using reverse osmosis membrane to concentrate oil-bearing water bodies ultrafiltrate of Compound Chuanxiong Capsules, and optimize the process. Methods With oil-bearing water bodies ultrafiltrate of Compound Chuanxiong Capsules volatile oil as the research object, the changes in flux under different operating parameters was measured. Results For this system, suitable operation parameters was as follows: pressure was 1.6 MPa, temperature was 35~ 40 ℃, pH was 9~10. Conclusion Using reverse osmosis membrane to concentrate oil-bearing water bodies ultrafiltrate of Compound Chuanxiong Capsules volatile oil, better flux and rejection can be obtained at the appropriate operating conditions.
7."Application of "" two-step decapping"" technique for protection superior parathyroid glands in total thyroidectomy"
Liming HUANG ; Yingchun XU ; Liwei MENG
Chinese Journal of Primary Medicine and Pharmacy 2017;24(7):1009-1011,后插3
Objective To investigate the protective role of two-step decapping technique for superior parathyroid glands in total thyroidectomy surgery.Methods The clinical data of 136 consecutive cases underwenttwo-step decapping technique in total thyroidectomy plus central compartment dissection from April 2013 to January 2016 were retrospectively analyzed.And the incidences of postoperative hypocalcemia were was compared with conventional consecutive decapping surgical methods containing 113 cases from January 2010 to March 2013.All operations were performed by the same treatment group.Results In the two-step decapping group,28 cases(28/136,20.6%) displayed postoperative temporary hypoparathyroidism and a higher incidence were was observed in 37 cases (37/113,32.7%) in the conventional method group,the difference was statistically significant(x2 =4.737,P =0.03).Whereas,2 cases(2/136,1.5%) suffered permanent hypoparathyroidism in the two-step decapping group and 7 cases (7/113,6.2%) of permanent hypoparathyroidism in the conventional method group,the difference was statistically significant (x2 =3.954,P =0.047).Conclusion Two-step decapping technique can more effectively protect the parathyroid gland function.It is worthy of popularization.
8.Experience of the surgical treatment of hyperthyroidism
Liwei WU ; Shaojian QIU ; Xiaoqin XU
Chinese Journal of Primary Medicine and Pharmacy 2006;0(07):-
Objective To explore the surgical treatment effect of hyperthyroidism.Methods The clinical datas of 508 hyperthyroidism patient operation cure were reviewed.Results 2 cases had hypothyroidsim,no signs indicated injuries of superior laryngeal nerve and recurrent laryngeal,no recurrence of hyperthyroidism,no one died.Conclusion The thyroidectomy is the best treatment for the hyperthyroidism.Sufficient prepare before operation can reduce complications.
9.Observations on the Effect of Tuina plus Acupuncture for Cervical Migraine
Weiqiong HU ; Siwei XU ; Liwei ZHONG ; Siyou WANG
Journal of Acupuncture and Tuina Science 2004;2(4):50-52
Purpose: To investigate the effect of Tuina plus acupuncture on treatment of cervical migraine and make a comparison. Method: Eighty outpatients with cervical migraine were divided into three groups and treated by Tuina, acupuncture and Tuina plus acupuncture, respectively. Results: All three groups of patients obtained a good effect. The cure rate was significantly higher in the Tuina plus acupuncture group than in the other two groups. Conclusion: The treatment of cervical migraine by Tuina plus acupuncture is worthy to be clinically popularized.
10.Chest radiological analysis of SARS in children
Hongsheng LIU ; Yuanli LUO ; Wenbiao XU ; Liwei LIU
Chinese Journal of Radiology 2001;0(09):-
Objective To discuss the radiological characteristics and improve the diagnostic ability of SARS in children. Methods The clinical data and X-ray findings of 35 SARS cases who hospitalized during Jan, 2003~Apr, 2003 were retrospectively analyzed. Results Chest X-ray features were as follows: massive consolidation (27 cases, 77.1%), pulmonary interstitial infiltration (6 cases, 17.1%), and mixed pattern (2 cases, 5.7%). There were two patients with emphysema, but no patient with lung abscess or pleural lesion. The radiological dynamic changes showed that the lesions of lung appeared early, the severest period was between the fifth day and the seventh day, the X-ray findings were not consistent with physical sign, and the absorption of lesion was slower than the clinical process. Conclusion There are some certain radiographic characteristic in children with SARS. A correct diagnosis can be made by closely combining the X-ray findings with clinical and laboratory results.