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Article in English | WPRIM | ID: wpr-928944


OBJECTIVE@#To explore if acupoint injection can improve analgesic effects or delivery outcomes in parturients who received combined spinal-epidural analgesia (CSEA) and patient-controlled epidural analgesia (PCEA) for labor analgesia.@*METHODS@#A total of 307 participants were prospectively collected from July 2017 to December 2019. The participants were randomized into the combined acupoint injection with CSEA plus PCEA group (AICP group, n=168) and CSEA plus PCEA group (CP group, n=139) for labor analgesia using a random number table. Both groups received CSEA plus PCEA at cervical dilation 3 cm during labor process, and parturients of the AICP group were implemented acupoint injection for which bilateral acupoint of Zusanli (ST 36) and Sanyinjiao (SP 6) were selected in addition. The primary outcome was Visual Analogue Scale (VAS) score, and the secondary outcomes were obstetric outcomes and requirement of anesthetics doses. Safety evaluations were performed after intervention.@*RESULTS@#The VAS scores were significantly lower in the AICP group than in the CP group at 10, 30, 60, and 120 min after labor analgesia (all P<0.05). The latent phase of the AICP group was shorter than that of the CP group (P<0.05). There were less additional anesthetics consumption, lower incidences of uterine atony, fever, pruritus and urinary retention in the AICP group than those in the CP group (all P<0.05).@*CONCLUSION@#Acupoint injection combined CSEA plus PCEA for labor analgesia can decrease the anesthetic consumption, improve analgesic quality, and reduce adverse reactions in the parturients. (Registration No. ChiMCTR-2000003120).

Acupuncture Points , Analgesia, Obstetrical/adverse effects , Analgesia, Patient-Controlled/adverse effects , Anesthetics/pharmacology , Female , Humans , Labor, Obstetric , Pregnancy
Article in Chinese | WPRIM | ID: wpr-699653


Rho-associated kinase is originally identified as an effector protein of the G protein Rho,which involves in various diseases,particularly in cancer and cardiovascular disease.Rho kinase inhibitors have already been applied clinically for cerebral vasospasm and glaucoma.Diabetic retinopathy (DR) is a common complication of diabetes which is the leading cause of visual loss.While anti-VEGF therapy has recently been widely used for DR patients due to its efficacy,but great attention has been drawn to the related risk and complications.The importance of Rho kinase in pathological vitreoretinal conditions has also been elucidated and is attracting attention as a potential therapeutic target.Rho kinase is involved in anglogenesis and hyperpermeability and also in the pathogenesis of various pathologies such as inflammation and neural degeneration,which has been expected that Rho kinase inhibitors will become a new molecular target drug for DR.This review summarizes the mechanism of Rho kinase action and its application in the treatment of DR.

Article in Chinese | WPRIM | ID: wpr-635558


BackgroundThe proliferation of lens epithelial cellsLECs) following extracapsular cataract extraction is the biological basis of posterior capsular collagen and cataract formation.Disintegrin is certified to competitively bind the integrin with extracellular matrix and therefore prevent the posterior capsular opacification (PCO).But,its molecular mechanism is below understand.ObjectiveThe present study was to investigative the effects of disintegrin (kistrin) on the expression of collagen in lens posterior capsular.MethodsThe right eyes of 24 New Zealand white rabbits received transparent lens extracapsular enudeation and were randomly divided into two groups using random number table,0.2 ml of kistrin ( 80 mg/L) was intracapsularly injected at end of the operation in 12 eyes ( kistrin group) and the same volume of normal saline solution was used at the same way in other 12 operative eyes ( normal saline group).The PCO was graded in postoperative 1,3,5,7,14 days on Odrich' s criteria under the slit lamp.The lens section was prepared at 14 days and 3 months after operation.Haematoxylin and eosin stain was used to examine the proliferation of LECs in posterior capsule; Masson stain was used to observe the collagenous fiber formation in capsule bag,and the expression of collagen type Ⅳ was detected by immunochemistry.Results No significant difference in the number PCO eye was found in postoperative 14 days between normal saline group and kistrin group ( P =0.093 ).However,the eye numbers of 2-3 grades of PCO were significant increased in normal saline group compared with kistrin group in 1,2,3 months after operation( P=0.041,0.014,0.022).In the operative 14 days,staining and adhesion of LECs in posterior capsule were more in normal saline group than kistrin group,and the fibrocytes in capsule were evidently increased in normal saline group in 3 months.Masson stain certified that the blue stain was seen to be stronger and more in posterior capsule in normal saline group in comparison with kistrin group in 3 months after operation,and the immunochemistry showed that the gray values of collagen type Ⅳ in posterior capsule were significant lower in normal saline group compared with kistrin group in both 14 days and 3 months after operation (P=0.000,0.001 ).ConclusionsKistrin can suppresses the proliferation of LECs and collagen type Ⅳ on rabbit lens posterior capsular after transparent lens extracapsular enudeation.

Article in Chinese | WPRIM | ID: wpr-635336


Background The establishment of diabetic animal model is a crucial step for the study about diabetic eye diseases. At present,the main modeling method include the injection of streptozotocin and alloxan. But the shortcoming of the former is an expensive price, and that of the later is high death rate of animals. Objective This experiment was to discuss the way which decrease the death of alloxan-injected animal and explore the effects of high blood glucose on the posterior capsular opacification (PCO). Methods Forty clean healthy male New Zealand white rabbits were randomly divided into 2 groups. 90mg/kg of alloxan were injected via ear vein once in 20 rabbits to create the diabetic animal models,and the equivalent amount of normal saline solution was injected at the same way as normal blood glucose group. The successful models were selected in the animals with the blood glucose level over 12. 0 mmol/L two weeks later, and PCO of lens were graded based on the method of Odrieh under the slit lamp. Extracapsular lens extraction was then performed on the right eye of rabbits in both groups, and the posterior capsules were obtained from these eyes at the 6th, 10th and 14th days after operation. The expression of proliferating cell nuclear antigen ( PCNA ) in posterior capsular lens epithelial cell was detected by immunohistochemistry. Results The modeling successful rate was 70% after injection of alloxan. The body weight of rabbits in high blood glucose group was significantly lowed and the blood glucose was significantly elevated in comparison with normal blood glucose group ( all P<0. 05). Two weeks after surgery ,2 eyes occurred 2 grade of PCO and only one eye showed the 1 grade of PCO in the high blood glucose group. However, 1 grade of PCO was found in 3 eyes in the normal blood glucose group. Biopsy revealed that PCNA was positively expressed in the cell nuclei of LECs in high blood glucose group rather than the normal blood glucose group from the 10th day after surgery. The proliferation index of PCNA was 0. 86±0. 04 and 0. 25±0. 03 respectively in high blood glucose group and normal blood glucose group, showing a significant difference between them (t = -16. 171 ,P = 0. 000). Conclusion Stable diabetic models of rabbits can be created by intravenous injection of 90 mg/kg alloxan. High blood glucose level is one of the important factors for the development of PCO.