Advances in Clinical and Experimental Medicine最新文献

{"title":"Combination of serum FOXR2 and transvaginal three-dimensional power Doppler ultrasonography in the diagnosis of uterine lesions.","authors":"Ping Zhang, Qiong Zhou, Zhiyong Zeng","doi":"10.17219/acem/171382","DOIUrl":"10.17219/acem/171382","url":null,"abstract":"<p><strong>Background: </strong>Cervical carcinoma and endometrial carcinoma are the most common gynecologic cancers worldwide. Forkhead-box R2 (FOXR2) plays an important role in the progression of various malignant tumors. However, the effects of FOXR2 on the development of uterine lesions remain unclear.</p><p><strong>Objectives: </strong>This prospective observational study aimed to investigate the diagnostic performance of FOXR2 and transvaginal three-dimensional power Doppler ultrasonography (3D-PDU) for malignant uterine lesions.</p><p><strong>Material and methods: </strong>This study included 404 uterine lesion patients and 200 healthy individuals who visited the hospital for a physical examination from April 2014 to May 2016. All patients received FOXR2 detection and 3D-PDU examination at admission. The demographic data and clinical data, including age, body mass index (BMI), and the International Federation of Gynecology and Obstetrics (FIGO) stage, were collected. All the patients were followed up for 5 years. The overall survival (OS) was analyzed using Kaplan-Meier (K-M) curve analysis. The diagnostic value of FOXR2 and 3D-PDU was evaluated using receiver operating characteristic (ROC) curves.</p><p><strong>Results: </strong>Serum levels of FOXR2 mRNA were upregulated in patients with malignant uterine lesions. Patients with high expression of FOXR2 showed a higher expression of the cancer biomarkers CA125, CA199, CEA, and SCCA. It was also found that FOXR2 expression was associated with the clinical outcomes of patients with malignant uterine lesions. Moreover, higher expression of FOXR2 predicted a poor prognosis. The combined use of FOXR2 and 3D-PDU showed favorable potential for the diagnosis of malignant uterine lesions, especially for cervical carcinoma and endometrial carcinoma.</p><p><strong>Conclusions: </strong>The combination of serum FOXR2 and transvaginal 3D-PDU has a potential in the diagnosis of uterine lesions.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41188005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Postoperative therapy for local-advanced gastric cancer: A systematic review and meta-analysis.","authors":"Zhuo Wang, Lihua Dong, Weiyan Shi, Ling Gao, Xin Jiang, Suyang Xue, Pengyu Chang","doi":"10.17219/acem/171616","DOIUrl":"10.17219/acem/171616","url":null,"abstract":"<p><strong>Background: </strong>Adjuvant therapy after surgery is effective for the treatment of advanced gastric cancer (GC), but the regimens are not uniform, resulting in imbalanced benefits.</p><p><strong>Objectives: </strong>To compare the overall survival (OS), relapse-free survival (RFS) and disease-free survival (DFS) of patients with local-advanced GC (LAGC) after surgery plus adjuvant therapy and with surgery alone based on meta-analysis.</p><p><strong>Material and methods: </strong>Literature search was performed among the articles published in the PubMed, Embase and Cochrane Library databases from January 2000 to December 2018. Study selection was conducted based on the following criteria: randomized clinical trials (RCTs) on surgery plus adjuvant therapy compared to surgery alone; studies compared OS and/or RFS/DFS; and cases medically confirmed with LAGC. Only articles in English were included.</p><p><strong>Results: </strong>A total of 12 datasets from 11 randomized controlled trials (RCTs) involving 4606 patients were included in the meta-analysis. There was a significant improvement in OS of patients who underwent postoperative adjuvant therapy (HR 0.78; 95% CI: 0.72-0.84; p < 0.001). In the subgroup analysis, it showed a higher improvement in OS patients who received adjuvant chemotherapy plus immunotherapy or radiotherapy (HR 0.72; 95% CI: 0.61-0.85; p < 0.001).</p><p><strong>Conclusion: </strong>Adjuvant therapy led to survival benefits in patients with LAGC.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138795011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of photobiomodulation for postoperative discomfort following laser-assisted vital pulp therapy in immature teeth: A preliminary retrospective study.","authors":"Aneta Olszewska, Jacek Matys, Tomasz Gedrange, Elżbieta Paszyńska, Magdalena Maria Roszak, Agata Czajka-Jakubowska","doi":"10.17219/acem/171812","DOIUrl":"10.17219/acem/171812","url":null,"abstract":"<p><strong>Background: </strong>Minimally invasive endodontics is recommended for young, immature teeth to preserve healthy pulp and dentin tissue.</p><p><strong>Objectives: </strong>The aim of the study was to examine the cold sensitivity of immature teeth that received photobiomodulation (PBM) after vital pulp therapy (VPT).</p><p><strong>Material and methods: </strong>The study followed the STROBE guidelines and included 123 healthy patients aged 8-13. The immature teeth (incisors, premolars and molars) that qualified for VPT received the bioceramic material - Biodentine. In this experiment, teeth were treated immediately and at 24 h post-VPT with a 635-nm diode laser using a power of 100 mW, a power density of 200 mW/cm2 and a total energy of 4 J (PBM group, n = 43), while those not treated were the control group (n = 43). The tooth sensitivity to cold was measured using a visual analogue scale (VAS) before and at 6 h, 1 day, 7, 30, and 90 days after treatment. The predictor variable was PBM skills regarding the ability to decrease cold sensitivity after VPT. The primary endpoint was the time to reverse hypersensitivity to cold, and the secondary endpoint was the occurrence of possible side effects. The Mann-Whitney U test, Friedman test along with Dunn's post hoc test, and the χ2 test were used to investigate tooth sensitivity.</p><p><strong>Results: </strong>Eighty-six immature permanent teeth of 86 children were included in the study. It was shown that the difference was significant for sensitivity to a cold stimulus between the groups at 6 h, 24 h, 7 days, and 30 days, but no difference was found preoperatively and at 90 days (6 h, 24 h, 7 days, and 30 days, p < 0.001, and 90 days, p = 0.079). However, patients in both groups reported a decrease in discomfort provoked by cold stimuli throughout the follow-up period.</p><p><strong>Conclusions: </strong>Photobiomodulation decreased postoperative sensitivity and was more acceptable for patients. Further randomized clinical studies with placebo-controlled groups are needed.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41231621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"C-terminal cross-linking telopeptide levels in COVID-19 patients: A prospective case-control study.","authors":"Mehmet Ali Gul, Nezahat Kurt, Fatma Betul Ozgeris, Neslihan Yuce, Omer Faruk Kocak, Emine Parlak","doi":"10.17219/acem/185254","DOIUrl":"10.17219/acem/185254","url":null,"abstract":"<p><strong>Background: </strong>Coronavirus disease 19 (COVID-19) is a viral infection mediated by coronavirus-2 that causes severe acute respiratory syndrome (SARS-CoV-2). The disease may affect biochemical parameters and electrolytes. C-terminal cross-linking telopeptide (CTX-I) is released during mature bone resorption and is a biomarker for predicting bone resorption.</p><p><strong>Objectives: </strong>As the pandemic progressed, understanding the effects of COVID-19 disease remained critical. Inflammatory responses triggered by the virus can result in a bone metabolism regulation imbalance. As such, this study aimed to analyze serum levels of CTX-I, calcium (CA), phosphorus (P), magnesium (Mg), C-reactive protein (CRP), and alkaline phosphatase (ALP) in COVID-19 patients to investigate the relationship between bone resorption and the disease.</p><p><strong>Material and methods: </strong>The study included 56 individuals with COVID-19 (divided into mild, moderate and severe subgroups depending on disease severity) and 25 healthy adults as a control group. Serum CTX-I concentrations were measured with enzyme-linked immunosorbent assay (ELISA). In addition, CRP, Ca, Mg, P, and ALP levels were measured using an automated clinical chemistry analyzer.</p><p><strong>Results: </strong>Serum CTX-I levels were significantly higher in COVID-19 patients than in the control group (p < 0.05). Furthermore, a positive weak relationship was detected between CRP and CTX-I (r = 0.303, p < 0.05).</p><p><strong>Conclusions: </strong>Increased serum CTX-I levels in the patient group caused COVID-19-driven bone degradation, though serum CTX-I levels did not differ according to disease severity.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140183491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antioxidant, anti-inflammatory and antiseptic molecular actions of gedunin against lipopolysaccharide-induced sepsis in experimental rats.","authors":"Liyun Fang, Mao Zheng, Fengying He","doi":"10.17219/acem/171537","DOIUrl":"10.17219/acem/171537","url":null,"abstract":"<p><strong>Background: </strong>Sepsis is a life-threatening organ dysfunction without effective therapeutic options. Lipopolysaccharide (LPS), a bacterial endotoxin, is known to induce sepsis. It is associated with oxidative stress, inflammation and multiple organ failure. Gedunin (GN) is a tetranortriterpenoid isolated from the Meliaceae family. Gedunin possesses numerous pharmacological properties, including antibacterial, anti-inflammatory, antiallergic, and anticancer activities. However, the molecular anti-inflammatory mechanism of GN in sepsis has not been established.</p><p><strong>Objectives: </strong>The aim of the study was to explore the antioxidant and anti-inflammatory molecular actions underlying the antiseptic activity of GN in an LPS-induced rat model.</p><p><strong>Material and methods: </strong>Rats were randomized into 4 sets: group 1 (control) was given 1 mL of dimethyl sulfoxide (DMSO) by gavage, group 2 rats were treated with LPS (100 μg/kg body weight (BW), intraperitoneally (ip.)), group 3 rats were given LPS (100 μg/kg BW, ip.)+GN (50 mg/kg BW in DMSO), and rats in the group 4 were given GN (50 mg/kg BW in DMSO) alone. We studied hepatic markers, inflammatory cytokines and antioxidants using specific biochemical kits and analyzed their statistical significance. Histopathology of liver, lungs and kidney tissues was also explored. The mRNA levels and conducted protein investigations were performed using real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR) and western blot, respectively.</p><p><strong>Results: </strong>Our findings revealed that GN significantly (p < 0.05) inhibited oxidative stress, lipid peroxides, toxic markers, pro-inflammatory cytokines, and histological changes, thereby preventing multi-organ impairment. Additionally, GN attenuated the HMGβ1/NLRP3/NF-κB signaling pathway and prevented the degradation of Iκβα.</p><p><strong>Conclusions: </strong>Gedunin is a promising natural antiseptic agent for LPS-induced sepsis in rats.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49673127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Anoikis-related gene signatures can aid prognosis of lung adenocarcinoma.","authors":"Guiyan Mo, Xuan Long, Zan Hu, Yuling Tang, Zhiguo Zhou","doi":"10.17219/acem/171482","DOIUrl":"10.17219/acem/171482","url":null,"abstract":"<p><strong>Background: </strong>Lung adenocarcinoma (LUAD) is the most common subtype of lung cancer, and while advancements in diagnosis, surgery, radiotherapy, and molecular therapy have improved clinical prognosis, the long-term survival rate and quality of life of patients remain unsatisfactory. Therefore, identifying new prognostic biomarkers and potential therapeutic targets is crucial.</p><p><strong>Objectives: </strong>This study aimed to analyze the role of anoikis-related gene characteristics in LUAD.</p><p><strong>Material and methods: </strong>The anoikis-related genes were obtained from the GeneCards database. Genetic expression data and clinical characteristic information were collected from The Cancer Genome Atlas (TCGA)-LUAD, and the Gene Expression Omnibus (GEO) GSE31210, GSE37745, and GSE68465 datasets. Random survival forest and least absolute shrinkage and selection operator (LASSO) models were applied to construct the risk model. An analysis of immune cell infiltration and function was performed with the scores.</p><p><strong>Results: </strong>Four prognosis-related genes (TLE1, GLI2, PLK1, and BAK1) were obtained and used to construct the anoikis score. We found that the patient survival rate was higher in the low-anoikis score (LAS) group. Moreover, both the stromal and immune scores were negatively correlated with the anoikis score. With the increase of the anoikis score, the levels of natural killer cells, regulatory T cells, CD4+ T cells, CD8+ T cells, B cells, and macrophages decreased. The anoikis score had a negative regulatory relationship with the immune response, natural killer cell activation and T cell activation. The TP53 mutation was significant in LUAD patients and was present in 56% of the high-anoikis score (HAS) group and in 40% of the LAS group.</p><p><strong>Conclusions: </strong>The anoikis score was associated with poor prognosis in LUAD patients. Anoikis-related genes were associated with tumor immune dysregulation and TP53 mutation in LUAD. This study opens a new perspective for LUAD therapy.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41113598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tumor suppressor miR-520a inhibits cell growth by negatively regulating PI3K/AKT signaling pathway in acute myeloid leukemia.","authors":"Jing Xiao, Fang Wan, Lin Tian, Yao Li","doi":"10.17219/acem/171299","DOIUrl":"10.17219/acem/171299","url":null,"abstract":"<p><strong>Background: </strong>Short regulatory RNAs, called microRNAs (miRNAs), have been found to possess regulatory functions in cancer and, as such, have recently been evaluated for their therapeutic role against various human malignancies.</p><p><strong>Objectives: </strong>The present work aimed to investigate whether miR-520a can play a therapeutic role in the treatment of human acute myeloid leukemia.</p><p><strong>Material and methods: </strong>Human myeloid leukemia cell lines (Kasumi-1, Kasumi-3, Kasumi-6, BDCM, and K562) and a normal myeloid cell line (NCI-H5N6) were used for the study. Cell lines were subjected to real-time quantitative polymerase chain reaction (RT-qPCR), evaluation of cell viability and proliferation by MTT assay and colony formation assays. Dual acridine orange (AO)/ethidium bromide (EB) staining was applied for transfected K562 cells with miR-negative control (NC) or miR-520a mimics, and annexin V-fluorescein isothiocyanate (FITC)/propidium iodide (PI) dual staining and flow cytometry were performed to analyze cancer cell apoptosis followed by western blot.</p><p><strong>Results: </strong>Cancerous cell lines exhibited lower gene expression of miR-520a, and its overexpression significantly reduced (p < 0.05) the proliferation and viability of cancer cells. Cancer cells demonstrated the induction of Bax/Bcl-2-mediated apoptosis following miR-520a overexpression. The miR-520a was shown to target the PI3K/AKT signaling pathway in human acute myeloid leukemia to exercise its regulatory role in cancer.</p><p><strong>Conclusions: </strong>The study showed that miR-520a actively regulated cell proliferation in acute myeloid leukemia and illustrated the mechanism by which it exerts its regulatory role, emphasizing the possibility of targeting miR-520a as an efficient therapeutic strategy against human acute myeloid leukemia.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49673129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"MCT1 gene silencing enhances the immune effect of dendritic cells on cervical cancer cells.","authors":"Xiaoxin Sui, Xiaowei Xi","doi":"10.17219/acem/171446","DOIUrl":"10.17219/acem/171446","url":null,"abstract":"<p><strong>Background: </strong>Dendritic cells (DCs) are a key class of immune cells that migrate to the draining lymph nodes and present processed antigenic peptides to lymphocytes after being activated by external stimuli, thereby establishing adaptive immunity. Moreover, DCs play an important role in tumor immunity.</p><p><strong>Objectives: </strong>The aim of the study was to investigate whether MCT1 gene silencing in DCs affects their ability to mount an immune response against cervical cancer cells.</p><p><strong>Material and methods: </strong>We silenced the expression of MCT1 in DCs from mouse bone marrow (BM) by infection with adenovirus. The surface antigen profile of DCs was analyzed by flow cytometry and cytokine secretion was evaluated using enzyme-linked immunosorbent assay (ELISA) following sodium lactate (sLA) exposure and lipopolysaccharide (LPS) stimulation. Then, various groups of DC-induced cytotoxic T lymphocytes (CTLs) were prepared and their cytotoxicity against U14 was tested.</p><p><strong>Results: </strong>Without sLA exposure, silencing MCT1 did not affect the expression of CD1a, CD80, CD83, CD86, and major histocompatibility complex class II (MHCII) in DCs after LPS challenge. Similar results were found for interleukin (IL)-6, IL-12 p70 and tumor necrosis factor alpha (TNF-α). After sLA exposure, silencing MCT1 significantly decreased the expression of CD1a, CD80, CD83, CD86, and MHCII in DCs after the LPS challenge, as well as the secretion of IL-6, IL-12 p70 and TNF-α. In addition, sLA exposure significantly reduced the toxicity and inhibited the proliferation of DC-induced CTLs compared to U14 cells in vitro and in vivo. However, silencing MCT1 significantly attenuated the changes caused by sLA exposure. At the same time, in the absence of sLA, silencing MCT1 did not affect the toxicity nor inhibit the proliferation of DC-induced CTLs on U14 cells.</p><p><strong>Conclusions: </strong>Lactate exposure reduces the immune effect of DCs on cervical cancer cells, but MCT1 gene silencing attenuates these alterations.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139097115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Therapeutic efficiency and safety assessment of intradermal platelet-rich plasma combined with oral tranexamic acid in patients with facial melasma.","authors":"Weeratian Tawanwongsri, Doungkamol Siri-Archawawat, Sasipaka Sindhusen, Chime Eden","doi":"10.17219/acem/187874","DOIUrl":"https://doi.org/10.17219/acem/187874","url":null,"abstract":"<p><strong>Background: </strong>Melasma is a chronic, acquired hypermelanosis that primarily affects the face. Platelet-rich plasma (PRP) and tranexamic acid (TXA) are promising treatments for melasma. However, only a few randomized clinical trials have examined the efficacy and safety of combining these therapies for melasma.</p><p><strong>Objectives: </strong>We aimed to compare the efficacy and safety of combining PRP and oral TXA with those of PRP alone in the treatment of facial melasma.</p><p><strong>Material and methods: </strong>A randomized controlled trial was conducted at Walailak University Hospital, Nakhon Si Thammarat, Thailand, between March and September 2023. Participants with mixed-type melasma were randomly allocated in a 1:1 ratio to either group A (PRP injection alone without placebo) or group B (PRP injection with oral TXA). Therapeutic efficacy and safety assessments were performed over a 12-week follow-up period.</p><p><strong>Results: </strong>The study included 26 participants (mean age: 45.9 years, standard deviation (±SD): 5.0) who were predominantly female (84.6%). In group A, the modified Melasma Area and Severity Index (mMASI) scores significantly decreased from a median of 4.30 interquartile range (IQR): 4.10) to 3.60 (IQR: 3.10) between week 0 and week 12, respectively. In group B, the median mMASI decreased from 6.40 (IQR: 7.80) to 3.60 (IQR: 3.70) over the same period. The median change in mMASI scores in group B (2.90, IQR: 2.40) was significantly larger than in group A (0.90, IQR: 0.60) (p < 0.001, U = 160.50). However, there were no significant differences in the physicians' global assessment (PGA), melasma quality of life scale (MelasQoL) or patient satisfaction during follow-up. Four patients (15.4%) experienced transient erythema and swelling. In group B, 1 participant (7.7%) experienced transient mild gastrointestinal discomfort after receiving oral TXA.</p><p><strong>Conclusions: </strong>The combination of intradermal PRP injection and oral TXA is effective for melasma, even in patients with poor prognostic treatment response factors. No serious adverse reactions were observed in either group.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141454518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Endocardial lead insulation wear in a scanning and optical microscope.","authors":"Mateusz Ulman, Krzysztof Boczar, Katarzyna Holcman, Magdalena Ziąbka, Maciej Dębski, Jacek Lelakowski, Andrzej Ząbek","doi":"10.17219/acem/186864","DOIUrl":"https://doi.org/10.17219/acem/186864","url":null,"abstract":"<p><strong>Background: </strong>The path and interaction of leads within the cardiovascular system are influenced by various factors, including the implantation technique. Furthermore, the multifaceted composition of these leads, often comprising multiple materials, can contribute to their potential degradation and wear over time.</p><p><strong>Objectives: </strong>Our aim was to investigate the wear of lead insulation following the removal of transvenous leads and pinpoint the regions of the lead most vulnerable to damage.</p><p><strong>Material and methods: </strong>We undertook a prospective analysis of patients from a single tertiary center who underwent transvenous lead explantation (TLE) between October 1, 2013, and July 31, 2015. Specifically, our examination focused on endocardial leads removed using simple screw-out and gentle traction techniques. Subsequent lead evaluations were conducted utilizing scanning electron and optical microscopes.</p><p><strong>Results: </strong>Among the 86 patients who underwent the TLE procedure, 26 patients (30%) required the removal of 39 leads through simple traction. Inspection using scanning electron microscopy consistently indicated insulation damage across all leads. A total of 347 damaged sites were identified: 261 without lead unsealing and 86 exhibiting unsealing. Notably, the sections of the leads located within the intra-pocket area demonstrated the highest vulnerability to damage (odds ratio (OR): = 9.112, 95% confidence interval (95% CI): 3.326-24.960), whereas the intravenous regions displayed the lowest susceptibility (OR: 0.323, 95% CI: 0.151-0.694).</p><p><strong>Conclusions: </strong>Our study reveals that all evaluated leads exhibited insulation damage, with the intra-pocket segments manifesting a notably higher prevalence of damage than the intravenous segments.</p>","PeriodicalId":7306,"journal":{"name":"Advances in Clinical and Experimental Medicine","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141454517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}