Polski Merkuriusz Lekarski最新文献

{"title":"Assessment of physicians' career satisfaction in the Silesian Voivodeship, Poland.","authors":"Beata Łabuz-Roszak, Ewa Niewiadomska, Piotr Pawłowski, Katarzyna Bojkowska-Otrębska, Agata Wypych-Ślusarska","doi":"10.36740/Merkur202401118","DOIUrl":"10.36740/Merkur202401118","url":null,"abstract":"<p><strong>Objective: </strong>Aim: To assess the career satisfaction of physician's in the Silesian Voivodeship, Poland, in relation to selected factors.</p><p><strong>Patients and methods: </strong>Materials and Methods: The questionnaire survey was conducted among 701 physicians and dentists from the Silesian Voivodeship, Poland, in the period from January to December 2018, using the PAPI (Paper and Pencil Interview) method. Physicians' Career Satisfaction was measured and basic socio-demographic, economic and occupational data, concerning lifestyle and health, and also the level of life satisfaction according to the SWLS (Satisfaction with Life Scale) were collected. Moreover, the occurrence of anxiety and/or depressive symptoms according to the HADS (Hospital Anxiety and Depression Scale) were included in the analyses.</p><p><strong>Results: </strong>Results: The career satisfaction of the surveyed Silesian physicians and dentists was moderate. Wages and combining personal life with work were rated the lowest, while interpersonal opportunities were rated the highest. The predictors: age, economic status and body mass index (BMI) were significant; in addition, in younger age group (25-49 years) - practicing sports and chronic fatigue, and in older age group (50-80 years) - the presence of a chronic disease. A moderate correlation between the level of career satisfaction and life satisfaction was revealed, as well as a lower score in people with the occurrence of anxiety and/or depression symptoms.</p><p><strong>Conclusion: </strong>Conclusions: The diversified level of career satisfaction of physicians in separated aspects makes it necessary to verify them both at the level of health care units and at higher levels.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 1","pages":"117-127"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140190238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Trends in the dynamics of morbidity and mortality from hypertension in the Republic of Kazakhstan from 2010 to 2019.","authors":"Yeldos Makhambetchin, Aigerim Yessembekova, Ardak Nurbakyttana, Aza Galayeva, Saparkul Arinova","doi":"10.36740/Merkur202401115","DOIUrl":"10.36740/Merkur202401115","url":null,"abstract":"<p><strong>Objective: </strong>Aim: The purpose of the research is to study trends in the dynamics of morbidity and mortality from arterial hypertension in the Republic of Kazakhstan for 2010-2019.</p><p><strong>Patients and methods: </strong>Materials and Methods: Due to the interdisciplinary nature of the study, a set of methods was used: analytical, graph-analytical, statistical, sociological, clinical and economic analysis, organizational experiment.</p><p><strong>Results: </strong>Results: The survey of 318 hypertension patients highlighted a common profile: hypertensive men aged 45-59, smokers, alcohol drinkers, urban dwellers, married with children, industrially employed, physically active at their country house, and facing stress. Gender differences showed 74.4% of hypertensive women were over 50, while a fifth of men were under 45, with higher risk factors in men: smoking (1.87), alcohol (2.53), occupational hazards (2.76), and harsh climates (2.54).</p><p><strong>Conclusion: </strong>Conclusions: The analysis findings reveal noteworthy trends within the hypertension patient population in Kazakhstan. Despite a decline in hypertension prevalence and initial occurrences, along with reduced relative hospitalization rates between 2010 and 2019, mortality linked to hypertension-related causes and the occurrence of heart attacks have remained relatively steady in recent times.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 1","pages":"95-103"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140190245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of TNF-α and il-6 SNP in polycystic ovary syndrome susceptibility.","authors":"Buraq Mohammed Raheem, Reem Mohammed Obaid, Baida Rihan Ali, Ali A Al-Fahham","doi":"10.36740/Merkur202403104","DOIUrl":"10.36740/Merkur202403104","url":null,"abstract":"<p><strong>Objective: </strong>Aim: To shed the light on the impact of TNF-α 1031 T/C (rs-1800629) and IL-6 174 G/C (rs1800795) polymorphism with disease susceptibility and development.</p><p><strong>Patients and methods: </strong>Materials and Methods: A case-control study has been established based on 50 women with confirmed diagnosed polycystic ovarian syndrome, and 50 healthy controls. Allele specific PCR have been done in order to study SNP of TNF-alpha and IL-6 in both groups.</p><p><strong>Results: </strong>Result: The findings of the present investigation indicated that there was a signif i cant dif f erence in the frequency distribution of TNF-alpha 1031 T/C SNP according to genotype between patients and controls group p = 0.02. In addition, there is a high significant difference in the frequencies of distribution of alleles (T/C) between patients and control group p = 0.001. There was a signif i cant dif f erence in the frequency distribution of IL-6 174 G/C between patients and controls group p = 0.026. In addition, there is a signif i cant dif f erence in the frequencies of distribution of participants according to allele (G/C) between patients and control group p = 0.047. Genotype GC was significantly lower in patients' group and genotype GG was high significant in patients' group in comparison with a control group and the differences were significant, p = 0.024 and 0.006, respectively.</p><p><strong>Conclusion: </strong>Conclusions: The present study concluded that IL-6 174 G/C, (rs:1800795) single nucleotide polymorphism (SNP) and TNF-alpha 1031 T/C (rs-1800629) were associated with PCOS susceptibility, and GG genotype in IL-6 and C allele in TNF are considered as risk factor.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 3","pages":"286-291"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141617356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The study of dental status through determination of the degree of preservation of paleoanthropological material.","authors":"Lyudmyla Kaskova, Nataliia V Yanko, Andrii Artemyev, Olha Andriyanova","doi":"10.36740/Merkur202402116","DOIUrl":"https://doi.org/10.36740/Merkur202402116","url":null,"abstract":"<p><strong>Objective: </strong>Aim: To introduce a simple classification system for the degree of preservation and quality of the dentoalveolar apparatus into scientific circulation to further investigate dental diseases in ancestral populations..</p><p><strong>Patients and methods: </strong>Materials and Methods: The sample analyzed consisted of the remains of 499 individuals from the human populations that existed in the territories of Ukraine from the Copper Age to the Bronze Age. Teeth and jaws were examined macroscopically under bright light; dental changes were evaluated by probing. Dental radiographic examinations were performed using retroalveolar and panoramic X-ray films in adult individuals.</p><p><strong>Results: </strong>Results: The authors divide the dentoalveolar apparatus of fossil and subfossil skeletons into ten levels for further medical investigation of dental diseases. These levels depend on the preservation degree and changes in jaws and teeth.</p><p><strong>Conclusion: </strong>Conclusions: The study of bone and tooth preservation, determination of skeletal sex, and age characteristics is a separate section and stage in reconstructing the physical type of individuals and the health status of a community. Studying the taphonomic features of odontologic anthropological material should be a mandatory prerequisite preceding its analysis in paleopathology. The condition of the dentoalveolar system can be classified into ten levels for paleopathological conclusions. This classification will be helpful to doctors specializing in forensic medicine and anthropologists.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 2","pages":"252-256"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140852661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Expect the unexpected: bezoar-caused gastric perforation in the 19-year-old patient, after traffic accident.","authors":"Jerzy Janusz Miłow, Justyna Joźwiak","doi":"10.36740/Merkur202401119","DOIUrl":"10.36740/Merkur202401119","url":null,"abstract":"<p><p>A 19-year-old female involved in a traffic accident presented to the Emergency Room (ER) with no trauma-related symptoms but a palpable mass in the epigastrium. Imaging revealed a massive trichobezoar causing gastric perforation. Urgent laparotomy was performed, and a 1.5-kilogram bezoar was removed, along with repairing coexisting gastric ulcers. The patient had a history of trichophagia, suggesting a psychiatric association. This case highlights the potential of trichobezoars to cause gastric perforation, even in patients admitted for unrelated reasons. CT-scan proves effective in diagnosing such cases. While a traffic accident might be a plausible cause, the presence of a bezoar can elevate the risk of complications. Psychiatric evaluation is recommended when trichophagia is identified. The study underscores the need for vigilance in unexpected scenarios, demonstrating the importance of multidisciplinary approaches in managing such cases.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 1","pages":"128-131"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140190204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimal tactics for surgical revascularisation in diabetic angiopathy of the lower limbs.","authors":"Manat Zhakubayev, Tolegen Zh Yegemberdiyev, Alimir I Tolegen, Talgat Tajibayev","doi":"10.36740/Merkur202404105","DOIUrl":"https://doi.org/10.36740/Merkur202404105","url":null,"abstract":"<p><strong>Objective: </strong>Aim: This study aims to compare the efficacy of conservative treatment methods versus advanced surgical interventions, including revascularising automyelotransplantation and stem cell therapy, in improving vascular patency and the quality of life in patients with diabetic angiopathy.</p><p><strong>Patients and methods: </strong>Materials and Methods: The research analyzed 68 patients with angiopathies under medical supervision from January 2007 to December 2017 at the National Scientific Center of Surgery named after A.N. Syzganov. Participants, aged 4 to 49, were divided into two groups based on angiographic blood flow characteristics: one with accelerated and another with delayed blood flow. A comprehensive participant selection process was implemented to ensure a representative sample. Sensitivity analysis was conducted to validate the findings' robustness.</p><p><strong>Results: </strong>Results: The main group demonstrated notable success in limb salvage, with 90.9% avoiding high limb amputation post-revascularising automyelotransplantation. Moreover, 16.7% of patients experienced healing of trophic ulcers and toe necrosis. The use of stem cells from adipose tissue and fetal tissue progenitor cells showed promising results in reducing pain and increasing pain-free walking distance, alongside the formation of collateral vascular networks.</p><p><strong>Conclusion: </strong>Conclusions: The study concludes that advanced surgical interventions and stem cell therapies significantly enhance treatment outcomes in patients with diabetic angiopathy compared to conventional conservative treatments. These findings highlight the potential of personalized and innovative approaches in managing vascular complications associated with diabetes, offering new avenues for reducing disability and improving patient quality of life. Future research should focus on further refining these therapeutic strategies and exploring their integration into clinical practice.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 4","pages":"415-420"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142366853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Maintaining the mental health of Ukrainians in time of war: searching for a mechanism to provide a comprehensive system of psychosocial support and mental health awareness.","authors":"Viktor I Vus, Mariana V Shkoliar, Serhii Proskuriakov, Evangelos Fradelos","doi":"10.36740/Merkur202403116","DOIUrl":"10.36740/Merkur202403116","url":null,"abstract":"<p><strong>Objective: </strong>Aim: To substantiate the possibilities of developing a comprehensive system of psychosocial support for Ukrainians during and after the war through thedevelopment of an integrated model of psychosocial service provision in the community, which promotes cross-sectoral interaction and expands the possibilities of integrating and scaling up multiple levels of mental health interventions.</p><p><strong>Patients and methods: </strong>Materials and Methods: The article is based on the use of bibliosemantic analysis of scientific works on the topic of mental health and mental health during the war.</p><p><strong>Conclusion: </strong>Conclusions: It is emphasised that in developing a comprehensive system of psychosocial support, it is necessary to: ensure accessibility of services for those in need; integrate services into the general health and social protection system; use a multisectoral approach, involving various organisations, institutions and professionals; train professionals to work in war conditions; develop and implement psychoeducation and psychological support programmes; monitor and evaluate the effectiveness of programmes. Particular attention is paid to psychoeducation as a technology that can be used at different levels of psychological intervention by both mental health professionals and other specialists involved in the provision of social services in communities. The spread of the impact of psychoeducational programmes will contribute to the development of community resilience in the face of social and psychological risks provoked by the war. A mechanism for scaling up the capabilities of the Technical Working Group on Mental Health and Psychosocial Support (MHPSS TWG), an association of leading international and Ukrainian NGOs specialising in mental health, established in Ukraine with the support of the WHO and the Ministry of Health of Ukraine, is proposed. The idea of creating a network of Resilience Centres in communities with the aim of forming a comprehensive system of psychosocial support at the state and community levels is substantiated.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 3","pages":"373-379"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141617351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Special at-rich sequence-binding protein 2 and its role in healing of the experimental mandible bone tissue defect filling with a synthetic bone graft material and electrical stimulation impact.","authors":"Agil N Huseynov, Vladislav A Malanchuk, Mykhailo S Myroshnychenko, Nataliia V Kapustnyk, Liliia P Sukharieva, Larisa I Selivanova","doi":"10.36740/Merkur202404101","DOIUrl":"https://doi.org/10.36740/Merkur202404101","url":null,"abstract":"<p><strong>Objective: </strong>Aim: The purpose of the study was to identify the role of SATB2 in healing of the experimental mandible bone tissue defect filling with a synthetic bone graft material and electrical stimulation impact.</p><p><strong>Patients and methods: </strong>Materials and Methods: An experiment was carried out on 48 mature male rats of the WAG population, which were divided into 4 groups. Each group included 12 experimental animals. Group 1 included rats that were modeled with a perforated defect of the lower jaw body. Group 2 included animals that were modeled with a perforated defect similar to group 1. In animals, a microdevice for electrical action was implanted subcutaneously in the neck area on the side of the simulated bone defect. The negative electrode connected to the negative pole of the battery was in contact with the bone defect. The battery and electrode were insulated with plastic heat shrink material. Group 3 included rats that were modeled with a perforated defect similar to previous groups, the cavity of which was filled with synthetic bone graft \"Biomin GT\" (RAPID, Ukraine). Group 4 included animals that were modeled with a perforated defect similar to groups 1-3, the cavity of which was filled with synthetic bone graft \"Biomin GT\" (RAPID, Ukraine). The simulation of electrical stimulation was the same as in group 2. The material for the morphological study was a fragment of the body of the lower jaw from the zone of the perforated defect. Immunohistochemical study was performed using rabbit anti-human SATB2 monoclonal antibody.</p><p><strong>Results: </strong>Results: In the regenerate filling the defect in the bone tissue of the lower jaw of rats, there was an increase in SATB2 expression under conditions of electrical stimulation; filling the defect with a synthetic bone graft material; simultaneous filling the defect with a synthetic bone graft material and electrical stimulation. The most pronounced expression of SATB2 was observed under conditions of simultaneous filling the defect with a synthetic bone graft material and electrical stimulation; minimally expressed - in conditions of filling the defect with a synthetic bone graft material; moderately expressed - under conditions of electrical stimulation. In the regenerate, in cases of all treatment methods, SATB2 was expressed by immune cells, fibroblastic differon cells, osteoblasts, and in case of electrical stimulation, also by adipocytes, vascular pericytes and endothelial cells, epidermis.</p><p><strong>Conclusion: </strong>Conclusions: The activation of SATB2 expression identified by the authors is one of the mechanisms for stimulating reparative osteogenesis under the conditions of electrical stimulation; filling the defect with a synthetic bone graft material; simultaneous filling the defect with a synthetic bone graft material and electrical stimulation.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 4","pages":"385-391"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142366854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Expression features of T-lymphocytes, B-lymphocytes and macrophages in the post-traumatic regenerate of the mandible rats under conditions of filling a bone defect with hydroxyapatite-containing osteotropic material and thymalin injecting the surrounding soft tissues.","authors":"Andrii A Boiko, Vladislav A Malanchuk, Mykhailo S Myroshnychenko, Olena V Markovska, Anton S Shapkin, Dmytro I Marakushyn","doi":"10.36740/Merkur202402105","DOIUrl":"https://doi.org/10.36740/Merkur202402105","url":null,"abstract":"<p><strong>Objective: </strong>Aim: The purpose of the study was to determine the features of the expression of T-lymphocytes, B-lymphocytes, macrophages in the post-traumatic regenerate of the mandible rats under conditions of filling a bone defect with hydroxyapatite-containing osteotropic material and thymalin injecting the surrounding soft tissues.</p><p><strong>Patients and methods: </strong>Materials and Methods: An experiment was conducted on 48 mature rats of the WAG population weighing 160-180 grams. Four groups were formed. Group 1 included 12 rats with a simulated holey defect in the lower jaw. Group 2 included 12 rats with a simulated holey defect in the lower jaw followed by its closure with hydroxyapatite-containing osteotropic material (bone graft \"Biomin GT\"). Group 3 included 12 rats with a simulated holey defect in the lower jaw with injecting the surrounding soft tissues with thymalin. Group 4 included 12 rats with a simulated holey defect in the lower jaw followed by its closure with hydroxyapatite-containing osteotropic material (bone graft \"Biomin GT\") and injecting the surrounding soft tissues with thymalin. The material for the morphological study was a fragment of the lower jaw from the area of the simulated holey defect. An immunohistochemical study was aperformed using monoclonal antibodies to CD68, CD20, CD163, CD86, CD3.</p><p><strong>Results: </strong>Results: A comprehensive experimental and morphological study conducted by the authors revealed that thymalin injection of the soft tissues surrounding the bone defect of the lower jaw, filled with hydroxyapatite-containing osteotropic material \"Biomin GT\", stimulates local immune reactions in the post-traumatic regenerate, which is manifested, firstly, by an increase in the number T-lymphocytes on the 3rd day of the experiment and their increase up to the 28th day; secondly, by increasing the number of B-lymphocytes on the 14th day of the experiment with their further increase up to the 28th day; thirdly, by increasing the number of macrophages on the 3rd day of the experiment and their growth up to the 28th day; fourth, changes in macrophages phenotypes (decrease in the number of M1-macrophages and increase in the number of M2-macrophages).</p><p><strong>Conclusion: </strong>Conclusions: Stimulation of local immune reactions in the post-traumatic regenerate can be one of the mechanisms that activate reparative osteogenesis in the lower jaw of rats under the conditions of filling bone defects with hydroxyapatite-containing osteotropic material \"Biomin GT\" and thymalin injecting the surrounding soft tissues.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 2","pages":"171-177"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140866691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Histological and immunohistochemical characteristic of the gingival stroma in the portion of the third molars in children of various age.","authors":"Oksana I Godovanets, Igor S Davydenko, Taras I Muryniuk, Larysa Ya Fedoniuk","doi":"10.36740/Merkur202402103","DOIUrl":"https://doi.org/10.36740/Merkur202402103","url":null,"abstract":"<p><strong>Objective: </strong>Aim: To evaluate the state of the gingival stromal elements in the portion of the third molars requiring extraction of these teeth due to orthodontic indications considering the stage of tooth germ formation.</p><p><strong>Patients and methods: </strong>Materials and Methods: The surgery to extract third molars due to orthodontic indications was performed on 95 children aged 11 to 18 years. The three groups of observation were isolated according to clinical-radiological signs: І (n=30) - children aged 11-13 years; ІІ (n=35) - children aged 13-16 years, and ІІІ (n=30) - children aged 16-18 years. During surgery, the samples of gums were taken from the adjacent areas for examination. The samples were fixed, dehydrated, paraffinized for further histological processing. Immunohistochemical methods were used according to the protocols supplied by a producer. In particular, by means of immunohistochemical method, Ki-67, CD-34 antigens and vimentin with primary antibodies against them were determined. The primary antibodies were visualized by the polymeric visualization system with diaminobenzidine giving a brown color to the places of location of the antigens examined. The data obtained were statistically processed.</p><p><strong>Results: </strong>Results: The results of the study showed that specific gravity of the vascular bed in the gingival papillary layer of children was the most variable. It ranges from (12,7±0,09) % at the stage of \"D\" root formation to (54,8±0,17) % at the \"H\" stage. Lower concentrations of CD-34 antigens and vimentin are found in the endotheliocytes of children aged 13-16 and 16-18 years, compared to the children aged 11-13 years (p<0,05). No changes were found in the specific volume of the blood vessels, CD-34 antigens and vimentin in the reticular gingival layer of children from the groups of observation.</p><p><strong>Conclusion: </strong>Conclusions: Therefore, the conducted histological and immunohistochemical study of the connective gingival tissues in the portion of the third molars in children enables to draw a conclusion that in the process of formation of the root of this tooth a number of changes occur in the gingival stroma. They include an increase of the blood flow volume in the papillary gingival layer on the background of a decreased concentration of CD-34 genes and vimentin, a longer stage of development of the third molar root. The specific volume of the islets of neoangiogenesis of the papillary gingival layer is the largest in children aged 13-16 years.</p>","PeriodicalId":39518,"journal":{"name":"Polski Merkuriusz Lekarski","volume":"52 2","pages":"153-160"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140866698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}