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1.
Article in Chinese | WPRIM | ID: wpr-905941

ABSTRACT

Objective:A strong antithrombotic protein component, named PvQ, was purified and enriched from total protein of <italic>Pheretima vulgaris</italic>,<italic> </italic>a<italic> </italic>traditional Chinese medicine. Moreover, we evaluated its fibrinolytic and anticoagulant activity, and expected to provide reference for the research on antithrombotic substances of Pheretima. Method:A rapid <italic>in</italic> <italic>vitro</italic> activity-oriented separation combined with the AKTA-Pure protein purification system conducted on <italic>P. vulgaris</italic>. Meanwhile, the fibrinolytic and anticoagulant activities of PvQ were measured by fibrin plate method and fibrinogen-thrombin time (Fibg-TT) method. And the <italic>in vitro</italic> thrombolysis assay was used for evaluating the lysis ability of PvQ to thrombus. Then the stability of PvQ was also analyzed for its anticoagulant activity at different pH and temperature. Result:The PvQ was successfully enriched and its activity was determined to have significant fibrinolytic and anticoagulant activities. And the result of <italic>in vitro</italic> thrombolysis assay revealed that PvQ could hydrolyze more than 80% of thrombus after 5 h of incubation at 37 ℃. In addition, the changes of temperature and pH had significant effects on antithrombotic activity, and this study showed that PvQ was rapidly inactivated at ≥60 ℃ or in acidic conditions (pH<7). While, the activity of PvQ was unaffected or less affected at ≤50 ℃ and under alkaline conditions. Conclusion:A feasible preparation method of PvQ is established, and it can affect fibrin and fibrinogen at the same time, thus exerting a dual fibrinolytic effect and possessing significant fibrinolytic and anticoagulant activities. It provides a scientific interpretation for the treatment of thrombotic diseases by PvQ and a reference for the development of antithrombotic protein products of Pheretima.

2.
Article in Chinese | WPRIM | ID: wpr-888314

ABSTRACT

OBJECTIVE@#To investigate the clinical effect of double mini-locking plates in the treatment of ulna olecranon fractures.@*METHODS@#From March 2017 to May 2020, 19 patients with olecranon fractures were treated with double mini locking plates, including 12 males and 7 females, aged from 20 to 75 years old with an average of (40.50±7.62) years old;10 patients had the injuries on the left side and 9 patients on the right side. All the 19 patients were fresh closed fractures without ulnar coronoid process fracture, elbow dislocation and other injuries. The fracture healing time and complications were recorded, and the clinical efficacy was evaluated by Mayo elbow performance score (MEPS) before operation and 12 months after operation.@*RESULTS@#All the 19 patientswas followed up, and the duration ranged from 12 to 17 months with an average of (13.51±3.17) months. Postoperative follow-up showed all fractures healed. Fracture healing time ranged from 2 to 6 months, with an average of(3.77±1.24) months. There was no internal fixation fracture, screw loosening, infection, internal fixation irritation, heterotopic ossification, elbow stiffness and other complications occurred. The MEPS score of affected elbow at 12 months after operation was 91.26±3.87, which was significantly different from that before operation 56.18±9.56 (@*CONCLUSION@#It is a reliable fixation method to treat olecranon fracture with double mini locking plate. The incision lengh is small and the fracture fixation is reliable. Elbow joint function exercise can be performed early after operation. Postoperative internal fixation has less skin irritation and satisfactory elbow joint function recovery.


Subject(s)
Adult , Aged , Bone Plates , Elbow Joint , Female , Fracture Fixation, Internal , Humans , Male , Middle Aged , Olecranon Process , Treatment Outcome , Ulna Fractures , Young Adult
3.
Article in Chinese | WPRIM | ID: wpr-778709

ABSTRACT

Objective To explore the effect of air pollution on children’s respiratory diseases in Tianjin, so as to provide reference for the prevention and control of diseases. Methods Conditional Logistic regression model of single pollutant and multiple pollutants was used to estimate the relationships between air pollutants concentration and children’s respiratory system diseases. Results Conditional Logistic regression model of single pollutant conditions showed that the excess risk (ER) effects and 95% CI of NO2, PM2.5, PM10 and CO appeared were 2.823%(2.581-3.065), 0.476%(0.382-0.569), 0.437%(0.368-0.506), 22.263%(15.449-29.478), respectively. Logistic regression analysis of multiple pollutants conditions showed that NO2 exposure had the greatest effect on children’s respiratory diseases in cold season, and the excess risk (ER) was 7.395%(6.595-8.202). Conclusion The elevated daily average concentration of NO2, PM10, PM2.5, and CO can increase the risk of children’s respiratory diseases.

4.
Article in English | WPRIM | ID: wpr-776849

ABSTRACT

We investigated the potential hepatoprotective effect of Radix Bupleuri (RB) by inducing acute liver injury (ALI) in an animal model using acetaminophen (APAP) after pretreatment with RB aqueous extract for three consecutive days. Compared to those of the APAP group, the biochemical and histological results of the RB pretreatment group showed lower serumaspartate transaminase (AST) and alanine transaminase (ALT) levels as well as less liver damage. Pharmacokinetic study of the toxicity related marker acetaminophen-cysteine (APC) revealed a lower exposure level in rats, suggesting that RB alleviated APAP-induced liver damage by preventing glutathione (GSH) depletion. The results of cocktail approach showed significant inhibition of CYP2E1 and CYP3A activity. Further investigation revealed the increasing of CYP2E1 and CYP3A protein was significantly inhibited in pretreatment group, while no obvious effect on gene expression was found. Therefore, this study clearly demonstrates that RB exhibited significant protective action against APAP-induced acute live injury via pretreatment, and which is partly through inhibiting the increase of activity and translation of cytochrome P450 enzymes, rather than gene transcription.

5.
Article in Chinese | WPRIM | ID: wpr-259848

ABSTRACT

<p><b>OBJECTIVE</b>To study the effects of ultrasound guided inter-scalene brachial plexus block and patient-controlled infraclavicular brachial plexus block for postoperative pain and surgical efficacy in patients with terrible tyriad of the elbow.</p><p><b>METHODS</b>From March 2015 to August 2016, 60 patients with terrible tyriad of the elbows were treated in Ningbo No.6 Hospital with ASA I to II internal fixation. There were 32 males and 28 females, ranging in age from 16 to 70 years old, with a mean age of (55.6±18.2) years old. All the patients were divided into two groups(30 cases in each group): controlled intermuscular groove brachial plexus block (group C), infraclavicular brachial plexus block(group I). All catheters were placed using ultra-sound visualization and injected 0.33% ropivacaine 30 ml preoperatively. After regaining consciousness, all patients connected the electronic pump. The solution contained 0.2% ropiva-caine and the pump was setup to deliver a 5 ml bolus dose, with a 15 min lock out interval and background infusion at 5 ml/h. Both analgesia lasted until 5 d after operation. The patients underwent rehabilitation exercise everyday for 5 consecutive days starting from 24 h after operation.VAS score was recorded at 24 h, 48 h, 72 h and 4 d, 5 d after operation during rest and rehabilitation exercise time. The elbow articular range of motion and Mayo elbow performance score (MEPS) were recorded at 6 d after operation. Catheter-related adversereactions (such as oozing from the insertion site, obstruction, prolapse) were recorded.</p><p><b>RESULTS</b>The success rate of blockade was 100% during insertion in both groups. Compared with group C, the VAS score at 3 d during rest time and 3, 4, 5 d after operation during rehabili-tation exercise were decreased(2.5±0.5 vs. 3.8±1.1, 3.0±0.4 vs. 5.0±0.9, 2.5±0.4 vs. 4.5±1.2, 2.1±0.3 vs. 4.1±1.0,<0.05). The elbow articular range of motion and MEPS were increased(-2.19±18.01)° vs.(-8.19±12.16)°, (45.15±11.20)° vs. (22.15±7.02)°, (19.06±6.75)° vs. (9.10±2.48)°, (17.08±5.18)° vs. (10.12±3.15)°, (80.80±9.50) points vs. (64.90±11.21) points. The incidence of insertion site, obstruction, prolapse was 15, 5 and 10 cases respectively in group C, but without any catheter-related adverse reactions happened in group I (<0.05).</p><p><b>CONCLUSIONS</b>Patient-controlled infraclavieular brachial plexus block can be effectively used for postoperative pain after fixation for terrible tyriad of the elbows, and it can increase surgical outcome.</p>

6.
Chinese Journal of Traumatology ; (6): 104-108, 2016.
Article in English | WPRIM | ID: wpr-235773

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the feasibility and efficiency of one-stage external fixation by using locking plate in distal tibial fractures.</p><p><b>METHODS</b>In this non-control prospective study, 28 patients with distal tibial fractures were included and underwent one-stage external fixation by using locking plate. There were 21 males and 7 females, with a mean age of 43 years (19-63). According to AO/OTA fracture classification, there were 9 cases of Type A1, 9 of Type A2, 10 of Type A3 fractures. There were 21 close and 7 open fractures. The locking plate was placed on the anteromedial aspect of the tibia with 4-5 bicortical screws inserted in both distal met- aphysis and diaphysis. The radiographic and clinic results were evaluated.</p><p><b>RESULTS</b>All patients were followed up for the average of 16 months (ranging from 12 to 21 months). The average surgery duration was 38 (25-60) minutes. The mean time to fracture healing were 14.6 ± 2.67, 17.5 ± 3.66, and 18.4 ± 3.37 (p < 0.05) weeks in type A1, A2, and A3 fractures respectively. By the end of the follow-ups, the mean AOFAS score were 96.11 ± 2.32, 92.67 ± 1.80 and 92.00 ± 2.06 (p > 0.05) in type A1, A2, and A3 fractures respectively. None of nonunion, deep infection, or breakage of screw or plate were observed.</p><p><b>CONCLUSIONS</b>Distal tibial fracture was the ideal indication for external fixation using locking plate. The external plating is characterized by ease of performance, less invasive, fewer soft tissue impingement, improved cosmesis, and convenient for removal.</p>


Subject(s)
Adult , Analysis of Variance , Bone Plates , Cohort Studies , External Fixators , Female , Fracture Healing , Physiology , Humans , Injury Severity Score , Male , Middle Aged , Monitoring, Physiologic , Methods , Postoperative Care , Methods , Prognosis , Prospective Studies , Risk Assessment , Tibial Fractures , Diagnostic Imaging , General Surgery , Treatment Outcome , Young Adult
7.
Pakistan Journal of Medical Sciences. 2015; 31 (6): 1411-1416
in English | IMEMR | ID: emr-175118

ABSTRACT

Objective:To investigate the association of NFKB1 -94 ins/del ATTG, NFKBIA -826C>T and NFKBIA -881A>G polymorphisms with risk of lung cancer in a Chinese population


Methods:Genotyping of the polymorphisms were performed on 1,436 subjects [718 cases and 718 controls] by using PCR-RFLP technique, followed by DNA sequencing


Results:We found a significant risk reduction associated with heterozygous ins/del [OR=0.705, 95% CI=0.566-0.878, P=0.002] and variant del/del [OR=0.342, 95% CI=0.221-0.528, P<0.001] genotypes of the NFKB1 polymorphism. In contrast, the heterozygous and variantgenotypes of theNFKBIA polymorphisms showed association with increased lung cancer risk [NFKBIA -826 CT,OR=1.256, 95%CI=1.004-1.572, P=0.046; TT,OR=1.773, 95% CI=1.131-2.778, P=0.013; NFKBIA -881 AG,OR=1.277, 95% CI=1.023-1.599, P=0.031; GG,OR=1.801, 95% CI=1.169-2.775, P=0.008]. Several genotypic combinations of the three polymorphisms also showed significant association with lung cancer risk. The risk association of NFKB1 polymorphism remained significant when analyses were done according to gender and smoking status [P<0.05]. The significance of NFKBIA risk association was not observed when gender-specific analyses were made [P>0.05], while only NFKBIA -881 GG genotype showed significant risk association among smokers when analyzed according to smoking status [P=0.032]


Conclusions: Polymorphisms in NFKB1 and NFKBIAgenes were associated with risk of lung cancer


Subject(s)
Humans , Female , Male , NF-kappa B , Retrospective Studies , Case-Control Studies , Risk Factors , Genotyping Techniques , Polymorphism, Genetic
8.
Chinese Journal of Traumatology ; (6): 187-192, 2014.
Article in English | WPRIM | ID: wpr-358866

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate clinical outcome of suture anchors in strengthening both acromioclavicular and coracoclavicular ligaments in the surgical treatment of acromioclavicular joint dislocation.</p><p><b>METHODS</b>Twenty-eight patients with acute traumatic Rockwood III, IV and V dislocations of the acromioclavicular joint surgically treated at our institute between October 2010 and January 2012 were recruited.All patients underwent open reduction combined with suture anchors. Function was evaluated using the Constant- Murley shoulder score. Clinical and radiographic shoulder ratings were evaluated using Taft criteria at 3, 6 and 12 months.</p><p><b>RESULTS</b>Two cases with fixation loosening were not included in final statistical analysis. Other patients obtained full joint reposition on immediate postoperative radiographs. Follow-up was performed with an average of 15.6 months (range, 12-19). After early range of motion exercises, 96.2% of the patients (25/26) could abduct and elevate their shoulders more than 90 degrees within postoperative 3 months. There was no infection. Average Constant-Murley score was 96.3 points (range, 94-100) and mean Taft shoulder rating was 10.7 points (range, 8-12) at 12 months.</p><p><b>CONCLUSION</b>The suture anchor is a relatively simple technique and can avoid screw removal which is helpful in reconstructing both acromioclavicular and coracoclavicular ligaments in acute traumatic acromioclavicular joint dislocation.</p>


Subject(s)
Acromioclavicular Joint , General Surgery , Adult , Female , Humans , Male , Middle Aged , Range of Motion, Articular , Shoulder Dislocation , General Surgery , Suture Anchors , Treatment Outcome
9.
Chinese Journal of Hematology ; (12): 34-37, 2011.
Article in Chinese | WPRIM | ID: wpr-252018

ABSTRACT

<p><b>OBJECTIVE</b>To study the cytogenetic characteristics of B cell non-Hodgkin's lymphoma (B-NHL) with bone marrow involvement, and to explore the clinical significance and prognosis.</p><p><b>METHODS</b>Clinical data of 126 B-NHL patients with bone marrow involvement diagnosed in our hospital were retrospectively analyzed. Chromosome banding analysis was performed after 24 h culture.</p><p><b>RESULTS</b>(1) The B-NHLs included were diffuse large B-cell lymphoma (DLBCL) 38.9% (49 cases), lymphoplasmacytic lymphoma (LPL) 19% (24 cases), mantle cell lymphoma (MCL) 16.7% (21 cases), follicular lymphoma (FL) 9.5% (12 cases), marginal zone lymphoma (MZL) 8.7% (11 cases) and small lymphocytic lymphoma (SLL) 7.1%(9 cases). (2) Chromosome aberrations (CA) were detected in 52 of 126 patients (41.3%) by conventional cytogenetics (CC), including clonal CA 38 cases, and non-clonal CA 14 cases. Ploidy levels in 38 clonal CA cases were pseudodiploid (57.9%), hypodiploid (15.8%) and hyperdiploid (26.3%). The incidence of chromosomal abnormalities among DLBCL, MCL, MZL, LPL, FL and SLL was 73.4%, 38.1%, 36.4%, 8.3%, 8.3% and 11.1%, respectively. (3) Clonal CA, CA more than two kinds, and CA of chromosomes 2, 3, 9, 11, 17, 18 and 20 were associated with shorter overall survival (OS) in DLBCL. More than two kinds of CA and CA of chromosome 3, 13 were associated with shorter OS in MCL.</p><p><b>CONCLUSIONS</b>The incidence of CA was higher in aggressive lymphoma than in indolent lymphoma. Complex CA were quite common, and some specific CA might have prognostic significance.</p>


Subject(s)
Adolescent , Adult , Aged , Bone Marrow , Pathology , Child , Child, Preschool , Chromosome Aberrations , Female , Humans , Lymphoma, Non-Hodgkin , Classification , Genetics , Pathology , Male , Middle Aged , Prognosis , Retrospective Studies , Young Adult
10.
Article in Chinese | WPRIM | ID: wpr-316159

ABSTRACT

<p><b>OBJECTIVE</b>To explore the safety and effect of the technique of reconstructing anterior and middle column by posterior approach in treatment of lumbar burst fractures.</p><p><b>METHODS</b>From July 2005 to January 2007, 22 patients of lumbar burst fractures (18 males and 4 females, the age was from 28- to 57-years-old with an average of 42.7 years) were treated as the following surgical procedures: based on the routinal posterior approach, one of the transverse process of the injured vertebral was incised to get access to the lateral side of the injured vertebral body. After cleaning of all the displaced fracture fragments and decompressing the spinal canal, the titanium mesh packed with autografts were implanted from lateral side to reconstruct the anterior and middle column. The above and below adjacent vertebral body were fixed by transpedicular screws. The operative time, intraoperative blood loss, vertebral height, degree of kyphotic deformity and comprised spinal canal were recorded.</p><p><b>RESULTS</b>The average operative time was 3.5 h (2.8-5.8 h) and the average blood loss was 820 ml (650-2100 ml). All the patients were followed up with an average 17.2 months (from 12 to 28 months). The height of the injured vertebral body were restored from (23.70 +/- 9.31)% preoperative to (95.77 +/- 1.93 )% postoperative (P<0.05). The natural spinal curvatures and spinal canal were restored. Three cases were involved in transient iatrogenic nerve root injury. And 1 case was involved in the loosening of the connected rod of the pedicle screw system at 3 months after operation.</p><p><b>CONCLUSION</b>The technique of implanting the titanium mesh by posterior approach was effective and safe enough to reconstruct the anterior and middle column in treating lumbar burst fracture. With this technique, good results could be achieved.</p>


Subject(s)
Adult , Female , Fracture Fixation, Internal , Humans , Internal Fixators , Lumbar Vertebrae , Wounds and Injuries , General Surgery , Male , Middle Aged , Reconstructive Surgical Procedures , Methods , Spinal Fractures , General Surgery , Treatment Outcome
11.
Chinese Journal of Traumatology ; (6): 107-112, 2009.
Article in English | WPRIM | ID: wpr-239793

ABSTRACT

<p><b>OBJECTIVE</b>To explore the safety and effect of the technique of reconstructing anterior and middle columns by posterior approach in treating lumbar burst fractures.</p><p><b>METHODS</b>From July 2005 to January 2007, 22 cases (18 males and 4 females, aged 28-57 years, 42.7 years on average) of lumbar burst fractures were treated with surgical procedures in our hospital. Based on the routine posterior approach, one of the transverse processes of the injured vertebra was incised to get access to the lateral side of the injured vetebral body. After all the displaced fracture fragments were cleared away and the spinal canal was decompressed, the titanium mesh packed with autografts was implanted from the lateral side to reconstruct the anterior and middle columns. The adjacent above and below segments of the vetebral body were fixed with transpedicular screws. The operation time, intraoperative blood loss, vertebral height, degree of kyphotic deformity and comprised spinal canal were documented.</p><p><b>RESULTS</b>The average operation time was 3.5 hours (ranging 2.8-5.8 hours) and the average blood loss was 820 ml (ranging 650-2 100 ml). All the cases were followed up for 17.2 months on average ( ranging 12-28 months). The height of the injured vetebral body was restored from 24 % (12%- 45%) preoperatively to 96% (95%-99%) postoperatively (P less than 0.05). The natural spinal curvatures and spinal canal were restored. Three cases were involved in transient iatrogenic nerve root injury and 1 case was involved in the loosening of the connected rod of the pedicle screw system 3 months postoperatively.</p><p><b>CONCLUSIONS</b>The technique of implanting the titanium mesh by posterior approach is effective and safe enough to reconstruct the anterior and middle columns in treating lumbar burst fractures.</p>


Subject(s)
Adult , Decompression, Surgical , Female , Humans , Lumbar Vertebrae , Wounds and Injuries , Male , Middle Aged , Orthopedic Procedures , Methods , Reconstructive Surgical Procedures , Methods , Spinal Fractures , General Surgery
12.
Article in Chinese | WPRIM | ID: wpr-307028

ABSTRACT

<p><b>OBJECTIVE</b>To explore early treatment and technique of grade-III open fracture of tibia and fibula and to summarize the experience of the treatment with external fixation.</p><p><b>METHODS</b>The retrospective analysis were carried out in 168 cases of grade-III open tibial and fibular fractures. One hundred and twenty cases were treated with external fixation,and others were treated with intramedullary nail or amputated. Among 120 patients treated with external fixation in early stage, 86 were male and 34 were female. The age ranged from 18 to 67 years with an average of 36.8 years.</p><p><b>RESULTS</b>One hundred and eleven patients achieved the excellent or good results, some of them underwent later repair of soft tissues. One case was nonunion because of infection and malreduction, and amputation in later stage in 8 cases.</p><p><b>CONCLUSION</b>Treatment with external fixation in early stage is an ideal method for grade-III open fractures of tibia and fibula. Good reduction integrated with simple internal and external fixation is favorable for the repair of soft tissue and union of fracture.</p>


Subject(s)
Adolescent , Adult , Aged , External Fixators , Female , Fibula , Wounds and Injuries , Fracture Fixation , Methods , Fractures, Open , General Surgery , Humans , Male , Middle Aged , Retrospective Studies , Tibial Fractures , General Surgery
13.
Chinese Journal of Hematology ; (12): 454-457, 2007.
Article in Chinese | WPRIM | ID: wpr-328326

ABSTRACT

<p><b>OBJECTIVE</b>To analyse the clinical characteristics, treatments and prognosis of patients with T-cell non-Hodgkins lymphoma (NHL) in intermediate-high and high risk.</p><p><b>METHODS</b>Fifty-four patients with T-cell NHL classified intermediate-high and high risk were retrospectively analyzed.</p><p><b>RESULTS</b>According to WHO classification criteria, there were 12 cases of T-lymphoblastic lymphoma (TLBL), 31 peripheral T-cell lymphoma unspecified (PTCL-U), and 11 hepatosplenic T-cell lymphoma (HSTCL). The IPI were 12 cases of intermediate-high risk and 42 high risk. Of them, 49 cases were bone marrow affected and 7 CNS affected. The response rate (RR) for the whole group was 86.5%, complete remission (CR) rate 67.3%, and 3-year survival rate 16.0%. The 3-year survival rates for haematopoietic stem cell transplantation and chemotherapy groups were 44.4% and 8.3%, respectively. Multi-factor analysis showed that choice of therapy modality, and achievement of remission were significant factors for overall survival.</p><p><b>CONCLUSION</b>T-NHL is a group of heterogeneous malignancies. The response rate of intermediate-high and high risk T- NHL, especially PTCL-U and LTBL, is not low, but its long-term outcome is poor. New treatment modality needs to be explored for these patients, and autologous HSCT is perhaps a good choice.</p>


Subject(s)
Adolescent , Adult , Aged , Child , Child, Preschool , Female , Follow-Up Studies , Humans , Lymphoma, T-Cell , Diagnosis , Therapeutics , Male , Middle Aged , Prognosis , Retrospective Studies , Treatment Outcome
14.
Article in Chinese | WPRIM | ID: wpr-249815

ABSTRACT

<p><b>OBJECTIVE</b>To study the shape, thickness and oxide percentage of major metal element of oxide film on Ni-Cr porcelain alloy after anodizing pretreatment.</p><p><b>METHODS</b>10 samples were made and divided into 2 groups at random. Then after surface pretreatment, the oxide films of two samples of each group were analyzed using electronic scanning microscope. The rest 3 samples were measured by X-ray photoelectron spectroscopy (XPS) and Auger electron spectroscopy (AES).</p><p><b>RESULTS</b>Lightly selective solution appeared because the different component parts of the alloy have dissimilar electrode, whose dissolve velocity were quite unlike. The sample's metal surface expanded, so the mechanical interlocking of porcelain and metal increased bond strength. The thickness of oxide film was 1.72 times of the control samples. The oxide percentage of major metal elements such as Cr, Ni and Mo were higher, especially Cr. It initially involved the formation of a thin oxide bound to the alloy and second, the ability of the formed oxide to saturate the porcelain, completing the chemical bond of porcelain to metal.</p><p><b>CONCLUSION</b>The method of anodizing Ni-Cr porcelain alloy can easily control the forming of oxide film which was thin and its surface pattern was uniform. It is repeated and a good method of surface pretreatment before firing cycle.</p>


Subject(s)
Alloys , Chromium Alloys , Dental Porcelain , Metal Ceramic Alloys , Microscopy, Electron, Scanning , Nickel , Oxides
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