{"title":"Ethambutol-induced optic neuropathy.","authors":"Martin Kyncl, Martin Fus, Jan Lestak","doi":"10.5507/bp.2022.022","DOIUrl":"https://doi.org/10.5507/bp.2022.022","url":null,"abstract":"<p><strong>Purpose: </strong>A case report of a 40-year-old patient with tuberculosis treated with ethambutol is described. Within six months of starting treatment, there was a painless sudden decline in visual function. Despite the known complications of ethambutol treatment, it was discontinued after another three months.</p><p><strong>Methods: </strong>In the case report, we highlight the damage to the dominantly peripheral visual pathways. Using electrophysiological examinations, we showed a significant alteration in the optic nerves. Optical Coherence Tomography (OCT) showed progressive loss of vessel density and nerve fibre layer of retinal ganglion cells. Perimetric examination showed both a central decrease in sensitivity and mainly scotomas in the temporal parts of the visual fields. Although there was improvement in visual fields over time, OCT findings indicated progression of ethambutol-induced optic neuropathy (EON). Magnetic Resonance Imaging confirmed the alteration in the peripheral part of the visual pathway (intraorbital, intracranial parts of optic nerves, chiasma, and optic tracts).</p><p><strong>Conclusion: </strong>Even though EON is not an unknown complication, new cases still occur and, unfortunately, with an irreversible course. Therefore, it is important to draw attention constantly to this complication and to consider it not only in ophthalmologists' surgeries.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":"167 3","pages":"288-293"},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71429419","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}
Martin Sluka, Martin Hutyra, Radomir Nykl, Jiri Ostransky, Tomas Furst, Pavla Petrova, Jan Precek, Stepan Hudec, Milos Taborsky
{"title":"Risk stratification using growth differentiation factor 15 in patients undergoing transcatheter aortic valve implantation.","authors":"Martin Sluka, Martin Hutyra, Radomir Nykl, Jiri Ostransky, Tomas Furst, Pavla Petrova, Jan Precek, Stepan Hudec, Milos Taborsky","doi":"10.5507/bp.2022.017","DOIUrl":"https://doi.org/10.5507/bp.2022.017","url":null,"abstract":"<p><strong>Aims: </strong>Growth differentiation factor 15 (GDF15) shows potential predictive value in various cardiac conditions. We investigated relationships between GDF15 and clinical or procedural outcomes in patients with severe aortic stenosis undergoing transcatheter aortic valve implantation (TAVI) in order to propose clinically useful predictive risk stratification model.</p><p><strong>Methods: </strong>This prospective single-center registry enrolled 88 consecutive patients with severe symptomatic aortic stenosis treated with TAVI. Clinical parameters were collected and biomarkers including GDF-15 were measured within 24 h before TAVI. All relevant clinical outcomes according to the Valve Academic Research Consortium-2 were collected over the follow-up period.</p><p><strong>Results: </strong>The cohort included 52.3% of females. The mean age of study participants was 81 years; the mean Society of Thoracic Surgeons (STS) score and logistic EuroSCORE were 3.6% and 15.4%, respectively. The mortality over the entire follow-up period was 10.2%; no death was observed within the first 30 days following TAVI. Univariate analysis showed significant associations between GDF15 and mortality (P=0.0006), bleeding (P=0.0416) and acute kidney injury (P=0.0399). A standard multivariate logistic regression model showed GDF-15 as the only significant predictor of mortality (P=0.003); the odds ratio corresponding to an increase in GDF15 of 1000 pg/mL was 1.22. However, incremental predictive value was not observed when the STS score was combined with GDF15 in this predictive model.</p><p><strong>Conclusions: </strong>Based on our observations, preprocedural elevated GDF15 levels are associated with increased mortality and demonstrate their additional value in predicting adverse clinical outcomes in a TAVI population.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":"167 3","pages":"263-271"},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71429421","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}
Milos Taborsky, Tomas Skala, Marian Fedorco, Vlastimil Doupal, Ingrid Sovova, Jiri Jarkovsky, Klara Benesova, Monika Bezdekova, Marek Vicha, Josef Danek, Josef Kautzner
{"title":"Effectiveness of ICD therapy in real clinical practice. The Olomouc ICD Registry.","authors":"Milos Taborsky, Tomas Skala, Marian Fedorco, Vlastimil Doupal, Ingrid Sovova, Jiri Jarkovsky, Klara Benesova, Monika Bezdekova, Marek Vicha, Josef Danek, Josef Kautzner","doi":"10.5507/bp.2021.071","DOIUrl":"10.5507/bp.2021.071","url":null,"abstract":"<p><strong>Background: </strong>Clinical parameters linked to a low benefit of ICD implantation and increased mortality risks are needed for an individualized assessment of potential benefits and risks of ICD implantation.</p><p><strong>Methods: </strong>Analysis of a prospective registry of all patients hospitalized from 2009 to 2019 in a single centre for a first implantation of any type of ICD.</p><p><strong>Results: </strong>A total of 2,681 patients were included in the registry. Until the end of follow-up (38.4 ± 29.1 months), 682 (25.4%) patients died. The one-year mortality in all patients, the one-year CV mortality, the three-year mortality in all patients, and the three-year CV mortality were 7.8%, 5.7%, 20.6%, and 14.8%, respectively. There was a statistically significant difference when the subgroups were compared according to the type of cardiomyopathy. No significant difference was found between primary and secondary prevention and between the types of devices. Male gender, age ≥ 75 years, diabetes mellitus, and atrial fibrillation were associated with a significantly increased mortality risk.</p><p><strong>Conclusion: </strong>In an analysis of a long-term follow-up of 2,681 ICD patients, we found no mortality difference between patients with ischemic or non-ischemic cardiomyopathy and in the device type. A higher mortality risk was found in men, patients older than 75 years, diabetics, and those with atrial fibrillation.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":" ","pages":"225-235"},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39821265","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}
Martin Cernan, Tomas Szotkowski, Jaromir Hubacek, Milan Kolar, Edgar Faber, Karel Indrak, Tomas Papajik
{"title":"Infectious complications of induction treatment for acute myeloid leukaemia using the \"7 + 3\" protocol without antibiotic prophylaxis - 15 years of experience of one clinical site.","authors":"Martin Cernan, Tomas Szotkowski, Jaromir Hubacek, Milan Kolar, Edgar Faber, Karel Indrak, Tomas Papajik","doi":"10.5507/bp.2022.010","DOIUrl":"https://doi.org/10.5507/bp.2022.010","url":null,"abstract":"<p><strong>Background: </strong>Infectious complications during induction chemotherapy of acute myeloid leukaemia are very common. Prophylactic use of antibiotics however is an ongoing challenge in this situation due to bacterial multi-drug resistance. The aim of this study was to provide a comprehensive overview of the incidence of infectious complications in patients with AML undergoing induction therapy using the \"7+3\" protocol without routine antibiotic prophylaxis at one clinical site providing specialised haematological care in the Czech Republic, over a period of 15 years. The study also evaluates the aetiological spectrum of causative agents and the development of antibiotic resistance in the context of the use of the various classes of antibiotics. The analysis includes evaluation of the importance of risk factors for infectious complications and their impact on treatment of the underlying disease. The data are compared with published figures for similar cohorts of patients.</p><p><strong>Patients and methods: </strong>This study presents a retrospective analysis of infectious complications in 242 patients with acute myeloid leukaemia undergoing the first cycle of induction therapy without routine antibiotic prophylaxis in one clinical site in Czech Republic during years 2006-2020.</p><p><strong>Results: </strong>A total of 363 febrile episodes (FE) were recorded. At least 1 FE during the induction was detected in 229 (94.6%) patients. Clinically defined infection was the cause in 96 (26.4%) FEs and blood stream infection in 69 (19.0%) FEs. Both complications occurred simultaneously in 29 (8.0%) FEs. 169 (46.6%) FEs were evaluated as fever of unknown origin (FUO). The achievement of complete remission had a significant effect on the duration of the FE (6 vs. 9 days, P=0.0005) and on the overall survival duration (79.3 vs. 6.5 months, P<0.0001). Patients diagnosed with infection or FUO at diagnosis were significantly more likely to suffer from colonisation by multi-drug resistant bacterial strains at discharge (29.2% vs. 16.3%, P=0.022). This group of patients used antibiotic therapy for a significantly longer time (35 vs. 23 days, P<0.0001). Infection was a contributing cause of death in 18 (7.4%) patients. Mortality was significantly related to the failure to achieve complete remission (P<0.0001).</p><p><strong>Conclusion: </strong>Infectious mortality during induction treatment without routine antibiotic prophylaxis was comparable to the published cohorts with prophylaxis. Regular microbiology surveillance with adequate initial antibiotic treatment can compensate routine antibiotic prophylaxis with slower development of antibiotic resistance.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":"167 3","pages":"236-245"},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71429420","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}
Kristina Podolska, Dana Mazankova, Maria Goboova, Ivan Vano
{"title":"Ascorbic acid intake during pregnancy.","authors":"Kristina Podolska, Dana Mazankova, Maria Goboova, Ivan Vano","doi":"10.5507/bp.2023.035","DOIUrl":"10.5507/bp.2023.035","url":null,"abstract":"<p><p>The continuing global increase in allergic conditions and diseases in children is now a serious public health and scientific issue. Amongst other concerns is the maternal antenatal diet as intake of essential nutrients. Even small deficits in essential vitamin C can permanently impair the developing brain for example. In this article, we first review ascorbic acid deficiency in different organs of both mother and foetus. However, major emphasis is on the importance of vitamin C in foetal immunity with studies showing an inverse relationship between maternal intake of fresh fruit and vegetables and allergic conditions in childhood, inter alia. Other review results are included.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":" ","pages":"213-218"},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10205422","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}
Cristina Macrea, Tiberia Ilias, Ovidiu Fratila, Brata Roxana, Cristian Hocopan
{"title":"Probiotics and the microbiota-gut-brain axis: focus on patients with depression. A review of current research.","authors":"Cristina Macrea, Tiberia Ilias, Ovidiu Fratila, Brata Roxana, Cristian Hocopan","doi":"10.5507/bp.2023.024","DOIUrl":"10.5507/bp.2023.024","url":null,"abstract":"<p><p>This review covers recent data on the relationship between major depressive disorder (MDD) and faecal microbiome and examines the co-relations between the use of probiotics and changes in psychiatric state. We conducted a thorough search of academic databases for articles published between 2018 and 2022, using specific keywords and previously established inclusion/exclusion criteria regarding faecal microbiota, depressive disorder, and probiotics. Of 192 eligible articles (reviews, original papers, and clinical trials), we selected 10 that fully met our criteria and performed a careful review to determine any correlation between microbiome, probiotic treatment, and depression. All patients were adults (mean age, 36.8), with at least one MDD episode and onset of depression during adolescence (duration of 31.39 years of depressive episodes). We found mixed but mostly positive results regarding the influence of probiotic/prebiotic/postbiotic effects on depression. We could not identify the precise mechanism of action that led to their improvement. Antidepressants did not alter the microbiota, according to studies that evaluated this aspect. Probiotic/prebiotic/postbiotic treatments were proven to be safe, with few and mild side effects. Probiotics seemingly could be beneficial in patients with depression, as evidenced by well-established depression scales. Based on this finding and the high tolerability and safety of probiotics, no caveats against their routine use can be made. Some unmet needs in this field include determination of the dominant type of microbiota in specific patients with depression; study of microbiome-directed/driven treatment regarding dose and duration adjustments; and multiple versus single strain treatments.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":" ","pages":"219-224"},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9631283","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}
Petra Matalova, Michal Buchta, Vendula Drietomska, Alena Spicakova, Martin Wawruch, Peter Ondra, Karel Urbanek
{"title":"Acute drug intoxication in childhood: a 10-year retrospective observational single-centre study and case reports.","authors":"Petra Matalova, Michal Buchta, Vendula Drietomska, Alena Spicakova, Martin Wawruch, Peter Ondra, Karel Urbanek","doi":"10.5507/bp.2023.032","DOIUrl":"10.5507/bp.2023.032","url":null,"abstract":"<p><strong>Background: </strong>Medication poisoning in children is a severe condition that can endanger a child's life. Although drug intoxications are easily preventable, awareness of the proper handling of drugs and their safe storage out of the reach of children is not widespread among the general public. In this work, we investigated the demographic and clinical data of children admitted to the Department of Pediatrics of the University Hospital Olomouc for acute drug-induced intoxication. We also selected several case reports to illustrate the wide range of both presentations and outcomes in individual patients.</p><p><strong>Method: </strong>Cases of drug-induced intoxications were selected from a group of patients under the age of 19 years admitted to the hospital for poisoning between January 1, 2010, and December 31, 2019. Medical records of these patients were prospectively evaluated, and overview tables and graphs of predefined research objectives were created.</p><p><strong>Results: </strong>During the given time period, 162 children with suspected drug intoxications were hospitalized at the Department of Pediatrics, University Hospital Olomouc. Of these, 108 cases were reported in girls and 54 in boys (66.7% vs. 33.3%). In 16 cases (9.9%), there was a severe intoxication requiring follow-up intensive care. There was also one case of fatal accidental intoxication. Most poisonings were seen in toddlers (65; 40.1%). Intoxication with suicidal ideation was found in 44 cases (27.2%), with a higher incidence of suicide attempts in girls (40 vs. 4). Repeated intoxication was recorded in nine cases. Analgesics were the most common drug group (61; 37.7%), with paracetamol (28; 17.3%) being the leading drug. In 154 cases (95.1%), the drugs were taken orally, most often in the form of tablets.</p><p><strong>Conclusion: </strong>Accidental drug intoxications most frequently occurred in the age group from one to three years old. The second highest incidence was among adolescents most of which were suicide attempts. Analgesics and psychoactive agents accounted for the majority of cases. Medications should be kept in places where children cannot reach them.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":" ","pages":"294-302"},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10000295","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}
Milos Jesenak, Vaclav Vanecek, Martina Ondrusova, Veronika Urdova, Katarina Dostalova, Ludek Hochmuth
{"title":"Real-world outcomes of mepolizumab treatment in severe eosinophilic asthma patients - retrospective cohort study in Slovakia.","authors":"Milos Jesenak, Vaclav Vanecek, Martina Ondrusova, Veronika Urdova, Katarina Dostalova, Ludek Hochmuth","doi":"10.5507/bp.2023.029","DOIUrl":"10.5507/bp.2023.029","url":null,"abstract":"<p><strong>Aims: </strong>Mepolizumab, a fully-humanized recombinant IgG1 kappa monoclonal antibody directed against IL-5, has shown improved asthma control and lung function in randomised controlled trials. The aim of this study was to evaluate real-world clinical experience in patients with severe eosinophilic asthma treated with mepolizumab in Slovakia.</p><p><strong>Methods: </strong>A retrospective, non-interventional study based on medical records of all adult asthma patients initiating mepolizumab between November 1, 2017 and January 31, 2019, completing 12 months of treatment. At baseline, general and clinical profile data were recorded 12 months prior to treatment. Primary and secondary endpoints described the results of mepolizumab use at 2, 6, and 12 months after the initiation and compared to baseline. Statistical testing of individual change (in each patient) in selected parameters was performed.</p><p><strong>Results: </strong>The cohort included 17 patients with particularly severe asthma at baseline, with frequent severe exacerbations (SE, median 5 [IQR 4-6]/patient/year), high blood eosinophil counts (median 0.6x10<sup>9</sup>/L), frequent oral corticosteroid (OCS) dependence (82.35%), median dose 15 (IQR 7.5-20) mg/day, impaired lung function, and a spectrum of comorbidities. In a one-year follow-up, the data showed reductions in median SE (0 [IQR 0-1] patient/year, eosinophilia (median 0.175x10<sup>9</sup>/L) and OCS maintenance dose (median 6.25 [IQR 2.5-20] mg/day), all statistically significant after 12 months on mepolizumab. Improved and stabilised lung functions throughout the cohort and a reduced incidence of nasal polyposis were observed.</p><p><strong>Conclusions: </strong>The results provide clinical evidence of mepolizumab efficacy in a real sample of patients with severe asthma when administered in routine care settings in Slovakia.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":" ","pages":"272-280"},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9776719","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}
Lenka Fialova, Pavla Barilly, Ivana Stetkarova, Ales Bartos, Libuse Noskova, Denisa Zimova, Michal Zido, Iva Hoffmanova
{"title":"Impaired intestinal permeability in patients with multiple sclerosis.","authors":"Lenka Fialova, Pavla Barilly, Ivana Stetkarova, Ales Bartos, Libuse Noskova, Denisa Zimova, Michal Zido, Iva Hoffmanova","doi":"10.5507/bp.2023.033","DOIUrl":"https://doi.org/10.5507/bp.2023.033","url":null,"abstract":"<p><strong>Background: </strong>A number of recent studies have shown that the intestinal microbiome, part of the brain-gut axis, is implicated in the pathophysiology of multiple sclerosis. An essential part of this axis, is the intestinal barrier and gastrointestinal disorders with intestinal barrier dysregulation appear to be linked to CNS demyelination, and hence involved in the etiopathogenesis of multiple sclerosis (MS).</p><p><strong>Objective: </strong>The aim of this study was to evaluate the integrity of the intestinal barrier in patients with clinically definite multiple sclerosis (CDMS) and clinically isolated syndrome (CIS) using two serum biomarkers, claudin-3 (CLDN3), a component of tight epithelial junctions, and intestinal fatty acid binding protein (I-FABP), a cytosolic protein in enterocytes.</p><p><strong>Methods: </strong>Serum levels of CLDN3 in 37 MS patients and 22 controls, and serum levels of I-FABP in 46 MS patients and 51 controls were measured using commercial ELISA kits. Complete laboratory tests excluded the presence of gluten-related disorders in all subjects. Thirty MS patients received either disease-modifying drugs (DMD), immunosuppression (IS) or corticosteroid treatment.</p><p><strong>Results: </strong>CLDN3 levels were only significantly higher in the MS patients treated with DMD or IS compared to the control group (P=0.006). There were no differences in I-FABP serum levels between the groups. Serum CLDN3 levels did not correlate with serum I-FABP levels in CDMS, in CIS patients or controls.</p><p><strong>Conclusions: </strong>In multiple sclerosis patients, the intestinal epithelium may be impaired with increased permeability, but without significant enterocyte damage characterized by intracellular protein leakage. Based on our data, CLDN3 serum levels appear to assess intestinal dysfunction in MS patients but mainly in treated ones.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10353676","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}
Karin Chytilova, Adela Galandakova, Katerina Valentova, Peter Tvrdy
{"title":"Combination of plant phenolics and isoquinolinium alkaloids protects gingival fibroblast and improves post-extraction healing after lower third molar extraction.","authors":"Karin Chytilova, Adela Galandakova, Katerina Valentova, Peter Tvrdy","doi":"10.5507/bp.2021.055","DOIUrl":"https://doi.org/10.5507/bp.2021.055","url":null,"abstract":"<p><strong>Aims: </strong>The effect of polyphenolic fraction of Lonicera caerulea (PFLC) and alkaloid fraction of Macleaya cordata (AFMC) mix on the production of inflammatory mediators in human gingival fibroblasts pretreated with lipopolysaccharide (LPS) was investigated. In addition, protective effects of mucoadhesive paste containing combination of PFLC and AFMC (0.05% and 0.01%, respectively; n=15, Group A) and placebo (n=15, Group B) were evaluated in patients after surgical extraction of lower third molars.</p><p><strong>Methods: </strong>Gingival fibroblasts were pre-treated with LPS (10 µg/mL; 24 h) and PFLC/AFMC (25/0.25; 50/0.25; 100/0.25; 25/0.5; 50/0.5; 100/0.5 µg/mL) in serum-free medium was applied for 4 h. Then the interleukin-6 (IL-6), reactive oxygen species (ROS) generation, level of intracellular glutathione (GSH) and expression of cyclooxygenase-2 (COX-2) were evaluated. The study was a 6-day, single-center, randomized, double-blind and placebo-controlled trial consisting of two parallel treatment arms. A modified Oral health impact profile questionnaire including both general oral condition and extraction related questions, was used to evaluate the oral condition and other changes before (day 0) and on the days 1, 3 and 6 after surgical extraction.</p><p><strong>Results and conclusion: </strong>The combination of PFLC with AFMC caused a reduction of ROS generation, reduced IL-6 production and suppressed the expression of COX-2. In group A the paste treatment contributed to improvement of oral health-related quality of life. Topical application of PFLC and AFMC into the extraction wound improved post-extraction site wound healing probably by antioxidant and anti-inflammatory mechanisms.</p>","PeriodicalId":55363,"journal":{"name":"Biomedical Papers-Olomouc","volume":"167 2","pages":"131-138"},"PeriodicalIF":0.9,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9619577","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}