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1.
Chinese Journal of Urology ; (12): 339-343, 2021.
Article in Chinese | WPRIM | ID: wpr-885018

ABSTRACT

Objective:To evaluate the best parameter of predicting the operation time and clearance of flexible ureteroscopic lithotripsy through comparing correlations between three stone burden parameters (diameter, area, volume) and the operation time or clearance retrospectively.Methods:Clinical data and CT images of 70 patients who performed flexible ureteroscopic lithotripsy because of single kidney stone in our center from January 2018 to December 2019 were retrospectively reviewed. There were 46 males and 24 females; their age was (47±12) years old. Stones were located on the left side in 28 cases and right side in 42 cases; 32 cases in the renal pelvis , 29 cases in the lower calyx, 6 cases in the middle calyx and 3 cases in the upper calyx. The free software ITK-SNAP 3.6.0 to segment kidney stones in 3D models with the CT image was used. The stone volume was calculated automatically after the segment. The largest section of the stone on the CT coronal plane was selected to measure the maximum length (D) and width (d) of the stone, the maximum diameter of the stone was D, and the stone area was calculated using the formula 0.25πDd. The patients were divided by the operation clearance into total clearance group and partial clearance group. The correlations between three stone burden parameters (volume, diameter, area) and operation time or clearance of the flexible ureteroscopic lithotripsy were compared. Simple linear regression model was also applied to compare three measurement methods. Then other factors which may affect the operation time was evaluated with the stepwise linear regression model, such as stone component and location.Results:The median operation time was 63(50, 84)min. Of 70 cases, 47 cases were in the stone-free group, with stone volume 633(248, 1 087)mm 3, maximum diameter 15(10, 19)mm, and area 82(49, 186)mm 2. 23 cases were in the non stone-free group, with volume 696(408, 1 418)mm 3, maximum diameter 15(12, 20)mm, area 105(73, 201)mm 2. There was no difference between the two groups in volume, maximum diameter and area of stones (all P>0.05). The stone-free rate of the diameter >2 cm group was 55% (6/11), ≤2 cm group was 70% (41/59). There was no significant difference between the two groups. Correlation between stone volume and operation time is the best. The correlation coefficient of stone volume is 0.58, of stone diameter is 0.33, of stone area is 0.34. Coefficients of determination of the stone volume linear regression is the best, too. R square of stone volume is 0.36, of stone diameter is 0.17, of stone area is 0.22. Forward stepwise regression model shows stone volume is the most important parameter which correlate with operation time. None of stone volume, diameter or area has significant correlation with the clearance of stone. Conclusion:Stone volume is the best predictive parameter of the stone burden because it has the best correlation with the operation time of the flexible ureteroscopic lithotripsy of the single kidney stone.

2.
Article in Chinese | WPRIM | ID: wpr-870587

ABSTRACT

Objective:To summarize the patient profiles and therapeutic efficacies of ABO-incompatible living-related kidney transplantations at 19 domestic transplant centers and provide rationales for clinical application of ABOi-KT.Methods:Clinical cases of ABO-incompatible/compatible kidney transplantation (ABOi-KT/ABOc-KT) from December 2006 to December 2009 were collected. Then, statistical analyses were conducted from the aspects of tissue matching, perioperative managements, complications and survival rates of renal allograft or recipients.Results:Clinical data of 342 ABOi-KT and 779 ABOc-KT indicated that (1) no inter-group differences existed in age, body mass index (BMI), donor-recipient relationship or waiting time of pre-operative dialysis; (2) ABO blood type: blood type O recipients had the longest waiting list and transplantations from blood type A to blood type O accounted for the largest proportion; (3) HLA matching: no statistical significance existed in mismatch rate or positive rate of PRA I/II between two types of surgery; (4) CD20 should be properly used on the basis of different phrases; (5) hemorrhage was a common complication during an early postoperative period and microthrombosis appeared later; (6) no difference existed in postoperative incidence of complications or survival rate of renal allograft and recipients at 1/3/5/10 years between ABOi-KT and ABOc-KT. The acute rejection rate and serum creatinine levels of ABOi-KT recipients were comparable to those of ABOc-KT recipients within 1 year.Conclusions:ABOi-KT is both safe and effective so that it may be applied at all transplant centers as needed.

3.
China Medical Equipment ; (12): 108-111, 2017.
Article in Chinese | WPRIM | ID: wpr-611444

ABSTRACT

Objective:To develop a materials management information system for military hospital warehouse of combat readiness based on RFID so as to enhance the management of military medical corps for materials of war preparation.Methods:RFID(Radio Frequency Identification) tags were attached on war materials and the information could been read by bar-code reader. SQL Server 2005 was used as the backend database, and VC# was combined with RFID to develop the software system.Results: This research has developed a materials management information system for military hospital warehouse of combat readiness based on RFID and this system could achieve informatization for information management, management of out and in warehouse, emergency plans management and forewarning management. Through manoeuvre, the average time of war materiel out warehouse has saved 12min.Conclusion: The research and development of information management system for materiel information of hospital warehouse for combat readiness has reference value for the application of researching RBID technique in material management.

4.
The Journal of Practical Medicine ; (24): 2092-2096, 2017.
Article in Chinese | WPRIM | ID: wpr-617029

ABSTRACT

Objective To investigate the effect of salinomycin on cancer stem cell formation of prostate cancer cell line DU145 and its possible mechanisms,providing theoretical basis for the clinical application of salino-mycin. Methods (1)DU145 cells were treated with salinomycin. The percentage of ALDH+cells,which was used as the marker of cancer stem cells,was detected by flow cytometry.(2)After treated with salmonin,DU145 cells were subjected to Western-Blot analysis for the expression of mTORsignal pathway-related proteins such as p-70s6k, p-p70s6,p-s6 and so on. 3)DU145 cells were treated with salinomycin combined with mTOR signal pathway inhibi-tor rapamycin,and the ALDH+cancer stem cells were detected using flow cytometer. Results (1)Salmonomycin significantly inhibited ALDH-positive cancer stem cells in DU145cell line(inhibition rate in 77.8%),which was twice as high as that of traditional anticancer drug paclitaxel(which has a inhibition rate of 38.64%). This results suggesting that salinomycin would have the effect of inhibiting cancer stem cells. (2)The expression ofm-TOR p-70s6k,p-p70s6 and p-s6 in mTOR signaling pathway was inhibited by salinomycin in a time-dependent and dose-dependent manner,suggesting that salinomycin would inhibite mTOR signaling pathway.(3)Salinomycin combined with rapamycin can decrease the proportion of ALDH-positive DU145 cancer stem cells(inhibition rate in 77.95%), suggesting that salinomycin may inhibit ALDH-positive DU145 stem cells through the mTOR signaling pathway. Conclusion Salinomycin may play an important role in inhibiting cancer stem cells by inhibiting mTOR pathway signaling.

5.
China Medical Equipment ; (12): 101-103,104, 2016.
Article in Chinese | WPRIM | ID: wpr-604275

ABSTRACT

Objective:Setting up a queuing simulation model to study the allocation and usage of MRI in certain regional hospital in East China. To find out the causes and put forward suggestions. Methods: Statistical method was used for statistical analysis of MRI inspection time. Queuing simulation model was used to analyzing MRI allocation and used in 7 top hospitals. The waiting queue length, average queue length, sojourn time and waiting time was calculated.Results: The average MRI examination waiting time of the 7 top hospitals in the whole region is 0.403 h. The waiting time of 2 hospitals is more than 40 min while which is less than 20 min in 3 hospitals. The equipment utilization rate is higher in 2 hospitals (vacancy rate is 11.9%-16.4%) while which is lower in 2 other hospitals (vacancy rate is 52.3%-58.9%).Conclusion: The problem of health allocations of resources could be solved by establishing regional MRI examination center radiation regional around.

6.
China Medical Equipment ; (12): 64-66, 2015.
Article in Chinese | WPRIM | ID: wpr-482245

ABSTRACT

Objective:To develop an information management system for equipment archives management, maintenance, measuring and statistics for hospital medical equipment.Methods:VS 2008 and SQL Server 2008 were used as the development tools. B/S software architecture was applied to the design of system function modules.Results: The system structure of B/S model could satisfy the requirements form the equipment archives management, maintenance, measuring and statistics of hospital medical equipment. The desired functional modules were implemented, which adapted to the acquisition and utilization of hospital medical equipment management.Conclusion: The information management system for hospital medical equipment can acquire and maintain medical equipment information, with digitalizing information of equipment archives, measuring and statistics, and networked the maintenance flow of medical equipment. The information sharing has been realized and the management level of hospital medical equipment has been improved.

7.
Chongqing Medicine ; (36): 3918-3920, 2015.
Article in Chinese | WPRIM | ID: wpr-482088

ABSTRACT

Objective To discover the best physical training way including frequency and intensity each day ,and to guide pa‐tients to get the best cure .Methods Totally 60 chicken ,which were randomly divided into 3 groups ,20 for each ,the deep flexor tendon of the third left toes were found ,repairing after cut them off .Flexor tendon proximal were found by making knees incision then indwelling long silk line .External fixation bandage were used .Their left toes were accepted physical training ,Training stand‐ards :6 pulling backs each time ,toe flexion 1/4 arc ,but less than 2 N .For group A ,exercised once a day ,twice a day for group B , three times a day for group C .Right ones were consider as control group weren′t processed after operation .28 days later ,tendon distance was recorded by using 2 N pulling forces at tendon proximal with aspiring balance .Gross specimen was observed and histo‐logical specimens using Tang Jinen classification method to classify adhesions ,and the dates were analyzed by statistics SPSS 19 .0 . Results Group A remaining of 18 ,rate of 5 .56% ,grade Ⅰ of 1 ,Ⅱ of 2 ,Ⅲ of 4 ;Ⅳ of 10 .Group B remaining of 17 ,rate of 5 .88% , grade Ⅰ of 12 ,Ⅱ of 2 ,Ⅲ of 1 ,Ⅳ of 1 .group C remaining of 16 ,15 toes broke again ,fracture rate was 93 .75 % ,grade Ⅰ of 1 ,con‐trol group were grade Ⅳ .Between group A and B there were no significant differences in degree of adhesion(P> 0 .05) .Group A and Cs′ differences were statistically tested (P α′) .Conclusion Physical training can reduce chicken′s tendon adhesion effectively .

8.
Chongqing Medicine ; (36): 3966-3968, 2015.
Article in Chinese | WPRIM | ID: wpr-482034

ABSTRACT

Objective To use CT and 3D reconstruction technique to locating mark of sustentaculum tali ,and measure the an‐gle & length of the specified point of the lateral wall of the calcaneus to sustentaculum tali for providing .To basis for the operation of calcaneus .Methods Thirty adult ankle wet specimens were chosen and scanned with CT ,and the dicom data were converted into the software to 3D‐reconstruction ,the observation and measurement to find new methods of locating mark of sustentaculum tali ;Forty adult calcaneus dried specimens were chosen and scanned with CT .The dicom data were converted into the software to 3D‐re‐construction ,using a workstation software measure the angle and length of the line which from the center of the sustentaculum tail to each point on the calcaneal lateral wall .Results First ,in the function of ankle joint position ,with the foot medial surface as “sag‐ittal reference plane” measurement ,the vertical line passing through the leading edge of medial malleols and the coronal line passing through the leading edge of sustentaculum tali intersect at a point .The vertical distance of the point to leading edge of medial malle‐ols was (34 .95 ± 2 .60) mm ,the length of sustentaculum tali was (21 .44 ± 1 .89) mm ,the height of sustentaculum tali was (10 .17 ± 1 .16) mm ,the anteversion of sustentaculum tali was (35 .31 ± 3 .73)° .Second ,in front of calcaneus ,upward angel of points G ,E were (28 .78 ± 3 .90 )° ,(29 .47 ± 2 .96 )° respectively .Frontward angle of points G ,E were ( - 19 .83 ± 4 .60 )° , ( - 11 .02 ± 4 .74)° respectively .Under the posterior articular surface ,upward angel of points C ,K ,I ,J were(2 .52 ± 2 .46)° ,(2 .92 ± 2 .28)° ,(14 .98 ± 2 .49)° ,(14 .38 ± 1 .90)° respectively .Frontward angle of points C ,K ,I ,J were(7 .32 ± 1 .66)° ,(19 .25 ± 1 .98)° , (10 .30 ± 2 .63)° ,(19 .33 ± 1 .97)° respectively .The length of screw was about 40 - 44 mm .The length of C point to the sustentacu‐lum tail was minimum ,and the length of G was maximum .Conclusion In the function of ankle joint position ,the sustentaculum tail can be located with the leading edge of medial malleols as a surface landmarks .The measurement of the angle and length of which from each point on the calcaneal lateral wall to sustentaculum tail by using CT .

9.
Article in Chinese | WPRIM | ID: wpr-464336

ABSTRACT

BACKGROUND:The adhesion between muscle tendon and surrounding tissue after tendon restoration is one hot topic in clinic. OBJECTIVE:To construct a deep flexor tendon transection model in the third toe of female Leghorn chicken and to explore the effect of peritenon transplantation on the prevention of tendon adhesions. METHODS:After the transection models were successful y established, the third toe of left claw was taken as experimental group A. The transected tendon was sutured, the tendon anastomosis end was wrapped with the peritenon of the deep flexor tendon from the ipsilateral fourth toe (experimental group B). The third toe of right claw served as control group A, the transfected tendon was sutured and restored with the peritenon. The fourth toe of right claw was taken as control group B. Gross observation and histological observation of the tendon were performed. RESULTS AND CONCLUSION:At 28 days postoperatively, gross observation and histological observation of Leghorn chicken were performed and compared using the Kruskal-Wal isH and Nemenyi test, respectively. The results showed that, the therapeutic effect was better in experimental group A than in control group A (P0.05). The flexor function was evaluated and compared with the least significant difference t-test. The results showed that the postoperative effect was better in experimental group A than in control group A (P0.05). Peritenon transplantation can effectively prevent tendon adhesions and has little impact on normal tendon sliding.

10.
Article in Chinese | WPRIM | ID: wpr-457911

ABSTRACT

BACKGROUND:Tendon adhesions after tendon repair have been one of the problems difficult to solve in clinical practice. OBJECTIVE:To introduce the current situation and progress of the prevention of postoperative tendon adhesions. METHODS: A computer-based search of CNKI, Wanfang, PubMed databases for articles related to prevention of tendon adhesions published from January 1971 to May 2014 using the keywords of “tendon injury; tendon adhesions; progress” in Chinese and English, respectively. Repetitive content and irrelevant articles were excluded, and finaly 40 articles were included in result analysis. RESULTS AND CONCLUSION: In this paper, we analyze the characteristics of tendons and causes of tendon adhesions, summarize the methods for prevention of tendon adhesions and the therapeutic effects, and thereby analyze the pros and cons of various methods and materials for prevention of tendon adhesions. Prevention of tendon adhesions after tendon repair involves various aspects: thorough debridement, better surgical approach, microsurgical repair of tendon tissues, applications of drugs and barrier materials, physical therapy as wel as appropriate functional exercise after tendon repair. The integrated use of these means can be done to prevent the occurrence of postoperative tendon adhesions.

11.
Article in Chinese | WPRIM | ID: wpr-249347

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the synergistic effect of oleanolic acid (OA) and cyclosporine A (CsA) on the survival of renal allografts in rats.</p><p><b>METHODS</b>Renal allograft transplantation was performed using BN rats as donors and LEW rats as recipients. Forty male LEW rats were randomized into 4 equal groups for interventions with DMSO-PBS (control), OA, CsA, or CsA+OA, starting from 1 day before transplantation. Serum creatinine levels were regularly examined, and the survival of rats were recorded. On day 5 after transplantation, CD4(+) and CD8(+) T-cell infiltration in the renal grafts was analyzed by immunohistochemistry; the concentrations of the proinflammatory cytokines (IL-1β, IFN-γ, IL-2, IL-4, and IL-17), anti-inflammatory cytokine IL-10 and chemokines (IP-10, MCP-1, MIP, and Mig) were analyzed with Luminex; the T-cell phenotypes (IFN-γ, IL-10, IL-4, and IL-17) were analyzed using ELISpot.</p><p><b>RESULTS</b>In OA+CsA group, renal allograft survival was markedly prolonged and CD4(+) and CD8(+) T cell infiltration in the graft significantly decreased as compared to other groups. A significant decrease in IL-2 was observed in OA group and OA+CsA group, especially the latter. Compared with the control group, all the 3 treated groups showed significantly decreased IL-1β, IP-10 and MCP-1, increased IL-10 levels, decreased percentages of T cells secreting IFN-γ, IL-4 and IL-17, and increased percentage of T cells secreting IL-10. The increments of serum IL-10 level and T cell percentage were more prominent in OA+CsA group than in the other two intervention groups.</p><p><b>CONCLUSIONS</b>OA and CsA synergistically ameliorate renal graft rejection and inflammation and promote allograft survival and function in rats.</p>


Subject(s)
Animals , Cyclosporine , Pharmacology , Cytokines , Metabolism , Drug Synergism , Graft Survival , Kidney , Kidney Transplantation , Male , Oleanolic Acid , Pharmacology , Rats , Rats, Inbred BN , Rats, Inbred Lew , T-Lymphocytes , Cell Biology , Transplantation, Homologous
12.
Chinese Journal of Biotechnology ; (12): 475-481, 2011.
Article in Chinese | WPRIM | ID: wpr-351510

ABSTRACT

In order to investigate the effects of pyrolysis conditions on bio-oil production from biomass in molten salt, experiments of biomass pyrolysis were carried out in a self-designed reactor in which the molten salt ZnCl2-KCl (with mole ratio 7/6) was selected as heat carrier, catalyst and dispersion agent. The effects of metal salt added into ZnCl2-KCl and biomass material on biomass pyrolysis were discussed, and the main compositions of bio-oil were determined by GC-MS. Metal salt added into molten salt could affect pyrolysis production yields remarkably. Lanthanon salt could enhance bio-oil yield and decrease water content in bio-oil, when mole fraction of 5.0% LaCl3 was added, bio-oil yield could reach up to 32.0%, and water content of bio-oil could reduce to 61.5%. The bio-oil and char yields were higher when rice straw was pyrolysed, while gas yield was higher when rice husk was used. Metal salts showed great selectivity on compositions of bio-oil. LiCl and FeCl2 promoted biomass to pyrolyse into smaller molecular weight compounds. CrCl3, CaCl2 and LaCl3 could restrain second pyrolysis of bio-oil. The research provided a scientific reference for production of bio-oil from biomass pyrolysis in molten salt.


Subject(s)
Biofuels , Bioreactors , Microbiology , Catalysis , Chlorides , Chemistry , Lanthanum , Chemistry , Lipids , Oryza , Metabolism , Plant Stems , Metabolism , Potassium Chloride , Chemistry , Salts , Chemistry , Zinc Compounds , Chemistry
13.
Chinese Journal of Zoonoses ; (12): 226-228, 2010.
Article in Chinese | WPRIM | ID: wpr-433304

ABSTRACT

To observe the histopathological changes of mice experimentally infected with plerocercoid,mice were infected orally by plerocercoids that were collected from Rana nigromaculatus (5 strips/mouse),and were killed 2-10 weeks later to undergo the histopathological observation.Plerocercoids were found in the skin,muscle,liver,lung cavity of mice.There were diffuse congested spots and capsule formation ;the fat tissue showed severe degeneration and necrosis.In the fibrous tissues ,moderate proliferation of the enveloping adipose tissue was demonstrated.In addition,a large number of acute and chronic inflammatory cell infiltration and abscess formation could be found.It is evident that the plerocercoids parasitize mainly in the subcutaneous tissues and muscles of mice.and mice experimentally infected with plerocercoids show different degree of histopathological changes.

14.
Chinese Journal of Urology ; (12): 314-317, 2008.
Article in Chinese | WPRIM | ID: wpr-400845

ABSTRACT

Objective To analyze clinical outcomes of the spouse donor kidney transplantation for evaluating the security.Methods Sixty-three cases of living-renal transplantation were divided into two groups, spouse donor group (12 cases) and the other related donor group (53 cases). Twelve cases of spouse-donor(SD)renal transplantation were summarized, that were compared with the nospouse transplantation cases of the other living-related renal transplantation in the same period, which were similar in basic conditions and in immunosuppressant scheme. The observational parameters included average hospitalization time, rate of acute renal necrosis, acute rejection incidence within 1 year, serum creatinine at 7 d, 30 d and 1 year after transplantation.Results The recipient age of the 2 groups was (39±3)years and (37±3)years(P=0.05), dialysis time was (4.7±3.2)months and (4.4±2.9)months(P=0.78), the average hospitalization time was (20.9±8.3)d and (23.0±7.8)d(P=0.41). There was no significant difference between the spouse donor group and the no spouse related donor group. The acute rejection incidence within 1 year was 33.3%(4/12) in spouse group and 3. 9%(2/51) in the other related group, there was significant difference between the 2 groups(P<0.05). The rate of acute renal necrosis was 16.7%(2/12) in spouse group and 3.9%(2/15)in no spouse related group, there was no significant different between the 2 groups(P>0.05).SCr was (206.47±47.22)μmol/L and (163. 75±25.91)μmol/L in spouse group at post-operation 7 d and 30 d, and was (142.79±89.42)μmol/L and (119. 99±15.03)μmol/L in no spouse group. There was significant difference between the groups(P=0.02, P=0.00). One year after operation, SCr was (133. 40±6. 11)μmol/L in spouse group and (121. 00±34.12)μmol/L in no spouse group,there was no significant difference between the 2 groups (P=0.25).Conclusions Preoperative comprehensive assessment of the spouse donors and recipients renal transplantation is the guarantee for the success.Short-term outcomes of spouse donor renal transplantation is ideal, but rate of acute rejection within 1 year is higher than that of the other living-relative donor kidney transplantation, which dose not influence the long-time survival of spouse recipients.

15.
Article in Chinese | WPRIM | ID: wpr-624509

ABSTRACT

The employment of university graduates is currently essential to the social stability and people’s livelihood. There are great needs of university graduates and professionals who are capable of staying and working at rural communities and make services and achievements for the new rural development. It is a problem to be concerned by the government and university encouraging medical graduates to serve the rural people. The paper made some considerations and analyses on the government policy and career-making mechanism to lead medical graduates to the rural communities.

16.
National Journal of Andrology ; (12): 443-448, 2004.
Article in Chinese | WPRIM | ID: wpr-308329

ABSTRACT

<p><b>OBJECTIVE</b>To assay the existence of SHBG in prostatic tissue and analyze the effects of SHBG on the prostate and prostatic hyperplasia.</p><p><b>METHODS</b>Prostate tissue cytosolic and nuclear fractions were obtained from 32 cases of benign prostatic hyperplasia (BPH), 11 cases of elderly control, and 22 cases of the normal young and middle-aged. SHBG in cytosol and nucleus was evaluated by two-site immunoradiometric assay based on the 125I-labelled monoclonal antibody.</p><p><b>RESULTS</b>The study testified the existence of SHBG in the cytosol of prostatic tissue. SHBG in BPH tissue [(5.11 +/- 1.37) fmol/g wet tissue] was a little more than that in the young and middle-aged group [(4.98 +/- 1.39) fmol/g wet tissue] and the elderly group [(5.06 +/- 1.27) fmol/g wet tissue], but there was no significance among the three groups (P > 0.05).</p><p><b>CONCLUSION</b>SHBG in the prostate can bind and accumlate androgen, which is related to prostatic physiology and contributes to the etiology of BPH.</p>


Subject(s)
Adult , Age Factors , Humans , Male , Middle Aged , Prostate , Chemistry , Prostatic Hyperplasia , Metabolism , Sex Hormone-Binding Globulin
17.
Article in Chinese | WPRIM | ID: wpr-684624

ABSTRACT

Objective To evaluate the clinical outcomes of pedicle screw fixation in the treatment of Hangmans fracture. Methods The 15 patients who had been treated for acute Hangmans fracture in our department after 1999 were retrospectively analyzed. 4 of them were type I, and 11 type II. All the patients presented symptoms of nerve system at different degrees. They were treated with AO pure titanium cortex screw through isthmus after skull traction replacement. Results All the patients were followed up for 12 to 60 months. According to Frankle classification, 6 cases of Grade D and 5 cases of Grade C recovered up to Grade E, 2 cases of Grade C recovered to Grade D, 1 case of Grade B recovered to Grade C and 1 case of Grade B recovered to Grade D. X ray showed all the fractures healed up without vertebra artery injury or other complications. Conclusion The outcomes of pedicle screw fixation and reduction in treatment of acute Hangmans fracture are satisfactory, for the clinic technique promotes functional recovery of spinal cord, decreases the rate of infection and scarcely affects the function of upper cervical spine.

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