scholarly journals New aspects of localized scleroderma pathogenesis: practical basis

2020 ◽  
Vol 23 (4) ◽  
pp. 227-237
Author(s):  
Denis V. Zaslavsky ◽  
A. A. Sidikov ◽  
L. V. Garyutkina ◽  
A. I. Sadykov ◽  
I. N. Chuprov ◽  
...  

BACKGROUND:Recently there has been an increase in the number of patients with scleroderma. AIM:This study aimed to investigate the pathogenesis and course and present the immunopathogenesis of localized scleroderma (LS) or morphea. MATERIALS AND METHODS:From 2010 to 2019, a prospective study of 77 patients with LS was conducted on the basis of the Leningrad regional center for specialized types of medical care. Based on histological examination, LS diagnosis was verified in 40 of 77 patients. Patients with LS (n = 40) were included in the first research group and were then divided into two subgroups based on the limitation period for the first symptoms of the disease: in subgroup I (n = 20), the disease manifested no later than 1.7 months before clinic visit; in subgroup II (n = 20), the limitation period was 1.5 years. RESULTS:Patients of both subgroups (n = 40) underwent immunohistochemical (IL-2, IL-4, CD4, CD8, vimentin, Toll-like receptor TLR7) tissue analysis and immunological blood tests to determine autoantibodies. To improve the differential diagnosis of LS, a comparative assessment of clinical manifestations and histological signs was performed in patients with LS (n = 40) and patients with clinically similar dermatoses (n = 37): annular granuloma (n = 12, 7 women and 5 men, average age 44 12 years), small plaque (n = 15, 6 women and 9 men, average age 42 4 years), and large plaque (n = 10, 5 women and 5 men, average age 59 8 years) parapsoriasis. According to the results of the histological examination, inflammatory changes are dominant in patients with LS manifestation period of 1.7 months from the onset of the disease, while fibrotic changes are apparent in patients with a manifestation period of 1.5 years. The expressions of CD4, CD8, IL-2, and TLR7 were more pronounced in subgroup 1, while those of IL-4, CD4, and vimentin were high in subgroup 2. No autoantibodies were detected in the blood of patients with LS. The results allow us to divide the pathogenesis of LS into two phases: inflammatory and fibrotic. Immune dysregulation and fibrosis occur simultaneously, but with phase dependant predominance. CONCLUSIONS:In the future, a detailed understanding of the pathogenesis of LS will help improve diagnostic and therapeutic algorithms and reduce the frequency of relapse and complications.

2021 ◽  
Vol 20 (3) ◽  
pp. 33-38
Author(s):  
O. G. Kimirilova ◽  
G. A. Kharchenko

In infectious pathology in infants, staphylococcal infection occupies a leading place, is characterized by the rapid development of intoxication, a purulent-destructive process with the possibility of generalization of infection, affecting the course and outcome of the disease.The aim of the study was to study the results of treatment of primary staphylococcal enterocolitis, in infants, with the use of antibacterial drugs and their combination with bacteriophages.Research methods. The frequency of elimination of staphylococcus, the duration of the main symptoms (fever, diarrhea, toxicosis with exicosis) as a result of treatment of primary staphylococcal enterocolitis (confirmed by laboratory) were analyzed in children aged from 1 to 12 months who received inpatient antibacterial drugs (nifuroxazide, azithromycin) or their combination with bacteriophages (staphylococcal, pyobacteriophage). The data accounting period is from January 2017 to December 2020.The results of the study. The results of treatment of staphylococcal enterocolitis were studied in 4 groups: monotherapy with nifuroxazide (n = 39) or azithromycin (n = 40), a combination of nifroxazide+staphylococcal bacteriophage (n = 41) or azithromycin + piobacteriphage (n = 38). The groups were comparable by gender, age, and clinical manifestations of the disease. Elimination of staphylococcus on the 10th—12th day. treatment with monotherapy with antibacterial drugs was achieved in 31—35%, with their combination with bacteriophages — in 51—64% of patients in each combination (df = 3, p < 0.05). Against the background of combined therapy, the symptoms of the disease (diarrhea, vomiting) were stopped 1.2 times faster; the number of patients with lactase deficiency and intestinal dysbiosis decreased by 1.7—2 times, with monotherapy with antibacterial drugs-by 1.3—1.4 times (df = 3, p < 0.05).Conclusion. Treatment of primary staphylococcal enterocolitis in children, including antibacterial drugs and bacteriophages, is more effective than monotherapy with antibacterial drugs.


2006 ◽  
Vol 55 (7) ◽  
pp. 897-903 ◽  
Author(s):  
Basappa G. Mantur ◽  
Mallanagouda S. Biradar ◽  
Rajendra C. Bidri ◽  
Mallanna S. Mulimani ◽  
Veerappa K. ◽  
...  

A prospective study was carried out to elucidate the clinical, epidemiological and laboratory features of human brucellosis. A total of 26 948 blood samples (from adults aged 15 years and above) were screened for serological evidence of brucellosis over a period of 16 years. The slide agglutination/Rose Bengal plate agglutination test gave positive results in 517 patients, of which 509 had detectable titres by the standard tube agglutination test (SAT). The diagnosis of brucellosis was documented in 495 (1.8 %) patients based on diagnostic titres (⩾1 : 160, 490 cases) and rising titres from insignificant titres (four cases) by serology and for one case by blood-culture isolation alone. Blood cultures were carried out in 345 cases, of which 191 cases (55.3 %) yielded Brucella melitensis. In 77/79 cases undertaken for follow up, there was a steady fall in 2-mercaptoethanol (2ME) agglutination titres along with clinical improvement (P <0.01). SAT titres remained detectable in most cases for a longer period in spite of an effective antimicrobial therapy and clinical recovery. A substantial number of patients (84.2 %) presented with fever, this being the only complaint in 51.1 % of the cases. Complications were present in 8.8 % of the patients (arthritis excluded): this included the unusual complications of hydrocele (two cases), Stevens–Johnson syndrome (one case) and urinary tract infection (one case). Brucella agglutinins were demonstrated in synovial, testicular, hydrocele and cerebrospinal fluids. There was no clinical suspicion of brucellosis in 439 cases (88.7 %) and the diagnosis was made only by routine serology. A two-drug regimen for 42–84 days with a follow-up 2ME test resulted in lower levels of relapse. These results suggest that, in endemic areas of the world, it should be mandatory to screen routinely for brucellosis due to protean clinical manifestations.


2021 ◽  
Vol 24 (3) ◽  
pp. 263-274
Author(s):  
Denis V. Zaslavsky ◽  
Akmal A. Sidikov ◽  
Lyubov V. Garyutkina ◽  
Grigoriy B. Pyagai ◽  
Muyassar D. Alaeva ◽  
...  

BACKGROUND: Because of the low specificity morphea clinical manifestations in early stages, the differential diagnosis is difficult. AIMS: The purpose of the research is to propose a new diagnostic method for early stages of localized scleroderma. MATERIALS AND METHODS: During 20112020, 77 patients with clinical manifestations of morphea and 127 controls were examined and included in the study at the LenOblCenter. All participants were conducted a transcutaneous oximetry with the TCM-400 Radiometer apparatus. The tissue oxygen perfusion (tcpO2) level from 40 to 50 mm Hg was considered as a reversible decrease, from 30 to 40 mm hg was a borderline decline and the value below 30 mm hg was critical. The following diagnostic skin biopsy was conducted in all 77 patients RESULTS: Skin biopsy allowed to form 4 research groups: 40 patients with morphea, 12 patients with granuloma annulare, 15 patients with small plaque parapsoriasis and 10 individuals with large plaque parapsoriasis. 7 (17.5%) patients with morphea had normal tcpO2 values, 9 (22.5%) patients had significant decrease of tcpO2, 24 patients (60%) showed a reversible decrease of tcpO2. 3/12 (25%) patients with granuloma annulare and 1 patient (10%) with large plaque parapsoriasis had minor oxygen level decrease. Measurement on the healthy skin showed tcpO2 decrease in patients with comorbidities ― 3/77 (3.9%) in research group and 28/127 (22%) in controls. CONCLUSIONS: Transcutaneous oximetry is a new perspective direction in the diagnostic algorithm of the morphea based on the pathogenesis and morphological features of the disease.


Author(s):  
E.P. Dolgov ◽  
◽  
A.A. Abramov ◽  
E.V. Kuzminova ◽  
E.V. Rogaleva ◽  
...  

The article presents the data on the study of the influence of mycotoxins combination (T-2 toxin at the concentration of 0.095 mg/kg and aflatoxin B1 in the concentration of 0.019 mg/kg) on the body of quails and the results of pharmacocorrection of toxicosis with a complex consisting of beet pulp and lecithin. Structural changes in the intestines of quais at fodder mycotoxicosis are described. The use of antitoxic feed additives in poultry led to a weakening of the action of xenobiotics, which was confirmed by an increase in the safety of poultry and increase in body weight of quails, a decrease in the clinical manifestations of intoxication, as well as in positive changes in the structure of the intestine of the poultry during histological examination.


Author(s):  
Iskander I. Zaidullin ◽  
Denis O. Karimov ◽  
Lilija K. Karimova ◽  
Milyausha F. Kabirova ◽  
Rasima R. Galimova ◽  
...  

The susceptibility to the development and progression of inflammatory periodontal diseases, which depends on genetic and external factors (smoking, stress, oral hygiene), varies widely. In the development of these diseases, an important role is played not only by the presence of periodontal pathogenic microorganisms, but also by the presence of congenital or acquired immunodeficiency, immunoregulatory defects. The immune system plays a key role in the physiological and pathological processes of periodontal tissues. In this regard, IL17, produced by CD4+ Th cells, which has both Pro-inflammatory and protective activity, is of particular interest in the pathogenesis of periodontitis. The aim of study was to identify the relationship between polymorphic loci of the IL-17A (rs2275913) and MMP-1 (rs1799750) genes and clinical manifestations of chronic periodontitis in petrochemical workers. Dental examination was performed in 92 ethylene oxide production workers with chronic periodontitis and 74 patients with chronic periodontitis who did not come into contact with chemical factors (control group). Genotyping of polymorphisms rs2275913 of the IL17A gene and rs1799750 of the MMP1 gene was performed by allele-specific real-time polymerase chain reaction (PCR). Hygienic assessment of the degree of air pollution of the working area with harmful substances was carried out by gas chromatography according to the guidelines for the determination of harmful substances in the air № 5098-89, № 3119-84. When comparing the results of studies of both groups, there were no statistically significant differences in the frequency distributions of allelic variants and genotypes of the IL-17A and MMP-1 genes. The AA/AG genotypes of the IL-17A gene were associated with an increased risk of severe disease compared to the GG genotype in workers in the main group (OR=6.1; 95% CI 1.33-28.5; p=0.021) and in the control group (OR=7.26; 95% CI 1.34-39.25; p=0.016). Carriers of the A allele in the control group increased the risk of severe chronic periodontitis by 2.4 times compared to carriers of the G allele (OR=2.41; 95% CI 1.19-4.87; p=0.014). During the dental examination of employees of the ethylene oxide plant, the clinical course of periodontal diseases was more severe in comparison with the control group, and the number of patients with severe periodontitis was twice as high. It was found that the AA/AG genotypes of the IL-17A gene and the carrier of the A allele are associated with increased susceptibility to the development of severe chronic periodontitis. The association between the MMP-1 gene polymorphism and the risk of severe forms of chronic periodontitis has not been established. A risk factor for the development of inflammatory periodontal diseases in employees of the petrochemical complex is a complex of harmful production factors.


2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1557.2-1558
Author(s):  
L. Quartuccio ◽  
E. Treppo ◽  
S. De Vita ◽  
F. Valent

Background:ANCA-associated vasculitides (AAV) are a group of systemic vasculitis carrying a high risk of hospitalization because the multiorgan involvement, the acute nature of some clinical manifestations, the chronic but very disabling course of some other manifestations and finally the risk of severe infections due to chronic glucocorticoid and immunosuppressor administration. However, data on hospitalization due to ANCA-associated vasculitis are still scarce.Objectives:to estimate the rate of the first hospitalization or the death in patients suffering from AAV in the Italian region of Friuli Venezia Giulia (about 1,200,000 inhabitants) from year 2013 to 2017.Methods:integration of the information coming from many administrative databases were used to this end. The Regional Health Information System of Friuli Venezia Giulia was used as the source of information for this retrospective cohort study. The system covers the entire regional population and includes various electronic health administrative databases that can be linked with one another on an individual basis through a unique encrypted identifier. In particular, the following databases were matched: the database of the regional potential health care beneficiaries (including demographic information and the residential history of all of the subjects living in the region), the hospital discharge database, the database of exemptions from medical charges were used for this study, the database of the different regional laboratories. The population under study was selected based on the following inclusion criteria: patients were residents in Friuli Venezia Giulia and they had to carry the exemption code for AAV, including Granulomatosis with Polyangiitis (GPA), or Eosinophilic Granulomatosis with Polyangiitis (EGPA), or Microscopic Polyangiitis (MPA). This population was observed from 2013 to 2017. The coded event was the occurrence of the first hospitalization or the death. Also, all the hospitalization and their main discharge diagnoses were registered.Results:103 patient with AAV were identified. The number of patients with at least one hospitalization/death was 74/103 (71,8%). Seven patients died during the observation period (6,6%). The whole number of hospitalizations was 285 in 74 patients. 55/74 (74,3%) patients experienced more than one hospitalization. In the majority of the hospitalizations (119/285, 41,7%), the cause of hospitalization was directly attributable to the disease itself, while the second cause of hospitalization was the infections (26/285, 9,1%). In 10/103 patients (9,7%), an end stage renal disease was recorded as event. The presence of at least one positivity for ANCA antibodies was documented in 76/103 patients (73,8%), mainly in patients carrying GPA. Globally, the presence of ANCA antibody seems to be associated with greater likelihood of an event (p=0,07, log-rank test). The first event occurred in 50% of ANCA-positive patients within 180 days from diagnosis, while in 50% of ANCA negative patients in 859 days. 6 out of the 7 deaths occurred in ANCA positive patients.Conclusion:the rate of hospitalization in AAV is very high confirming the high health care burden of illness. The disease itself is often the cause of the hospitalization, as well as the infectious complication, highlighting the need for more effective treatments, and glucocorticoid sparing therapies. ANCA antibody may represent a biomarker of a more serious disease.Disclosure of Interests:Luca Quartuccio Consultant of: Abbvie, Bristol, Speakers bureau: Abbvie, Pfizer, Elena Treppo: None declared, Salvatore De Vita Consultant of: Roche, GSK, Speakers bureau: Roche, GSK, Novartis, Francesca Valent: None declared


Author(s):  
Mrinalini Kotru ◽  
Deepti Mutereja ◽  
Abhishek Purohit ◽  
Seema Tyagi ◽  
Manoranjan Mahapatra ◽  
...  

Abstract. Background: Bleeding is a common clinical presentation. Even patients with mild bleeding disorders are extensively investigated for ascertaining the cause. The present study was conducted in order to evaluate the extent of the possibility of diagnosis in mild bleeding disorders.Material and Methods: This was a prospective study of patients referred for work up of mild bleeding for a period of 13 months. A complete blood count, peripheral smear examination, Prothrombin time, Partial Thromboplastin time and Thrombin Time, Platelet Aggregometry test, tests for von Willebrand’s disease and Platelet function 3 availability were measured. Results: 164 patients presented with mild bleeding, in 114 of the  patients a single site of bleeding was present. Epistaxis was the most common presentation (39%). Cutaneous bleeding (petechiae and purpura) was the next common site. History of a major bleeding tendency in the family was present only in 11 patients. The investigations showed that VWD (17/164), followed by clotting disorders (CD) mainly mild hemophilia (15/164) were the most common diagnosable cause. There were also 4 cases of hypofibrinogenemia. The disorders of platelets (Platelet function defects/PFD) were the least common (9/164). Rest 123 (75%) patients could not be diagnosed on the basis of these investigations and were labeled as  Bleeding disorders – Unclassified (BDC). Conclusion: n our study, 75% of the patients with mild bleeding remained undiagnosed even after extensive laboratory workup, thus raising a very pertinent question that is it necessary that all mild bleeders submit to a broad battery of investigations, as the diagnosis continues to be elusive despite extensive workup.


2020 ◽  
Vol 11 ◽  
Author(s):  
Puneet Kaur Randhawa ◽  
Kaylyn Scanlon ◽  
Jay Rappaport ◽  
Manish K. Gupta

Recently, we have witnessed an unprecedented increase in the number of patients suffering from respiratory tract illness caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The COVID-19 virus is a single-stranded positive-sense RNA virus with a genome size of ~29.9 kb. It is believed that the viral spike (S) protein attaches to angiotensin converting enzyme 2 cell surface receptors and, eventually, the virus gains access into the host cell with the help of intracellular/extracellular proteases or by the endosomal pathway. Once, the virus enters the host cell, it can either be degraded via autophagy or evade autophagic degradation and replicate using the virus encoded RNA dependent RNA polymerase. The virus is highly contagious and can impair the respiratory system of the host causing dyspnea, cough, fever, and tightness in the chest. This disease is also characterized by an abrupt upsurge in the levels of proinflammatory/inflammatory cytokines and chemotactic factors in a process known as cytokine storm. Certain reports have suggested that COVID-19 infection can aggravate cardiovascular complications, in fact, the individuals with underlying co-morbidities are more prone to the disease. In this review, we shall discuss the pathogenesis, clinical manifestations, potential drug candidates, the interaction between virus and autophagy, and the role of coronavirus in exaggerating cardiovascular complications.


2019 ◽  
Vol 07 (11) ◽  
pp. E1386-E1392
Author(s):  
Thomas Worland ◽  
Oliver Cronin ◽  
Benjamin Harrison ◽  
Linda Alexander ◽  
Nik Ding ◽  
...  

Abstract Background and study aims Endoscopic mucosal resection (EMR) of large sessile or laterally spreading colonic lesions is a safe alternative to surgery. We assessed reductions in Surgical Resection (SR) rates and associated clinical and financial benefits following the introduction of an EMR service to a large regional center. Patients and methods Ongoing prospective intention-to-treat analysis of EMR was undertaken from time of service inception in 2009 to 2017. Retrospective data for SR of large sessile/laterally spreading colonic lesions were collected for the period 4 years before commencement of the EMR service (2005 – 2008) and 9 years after its introduction (2009 – 2017). Results From 2005 to 2008, 32 surgical procedures were performed for non-malignant colonic neoplasia (50 % male, median age 68 years, median Length of Stay (LoS) 10 days). Following the introduction of the EMR service, there was a 56 % reduction in the number of patients referred for surgery (32 surgical procedures, 47 % male, median age 70 years, median LoS 8.5 days). During this period, EMR was successfully performed in 183 patients with 216 lesions resected (60 % male, median age 68 years, median LoS 1 day). Compared to the SR group, the EMR cohort had a lower peri-procedural complication rate (7.7 % vs 54.7 %, P < 0.0001), and shorter average LoS (1 vs 9 days, P < 0.0001). A cost saving of AUD $ 19 543.5 was seen per lesion removed with EMR compared to SR. Conclusions The introduction of a dedicated EMR service into a large regional center as an alternative to SR can lead to a substantial decrease in unnecessary surgery with subsequent clinical and financial benefits.


Author(s):  
Sabiyat Abdulaevna Yakhyaeva ◽  
Naida Isagadzhievna Garabova ◽  
Madina Garunovna Burzhunova

In clinical practice, a sufficiently large number of patients complain of neurological disorders caused by osteochondrosis of the cervical spine. Despite this, in some cases, the development and progression of this symptomatology may be due to an anomaly in the structure of the cervical spine (Klippel-Feil syndrome), which is genetically determined. Timely diagnosis of this pathology with the implementation of complex research methods allows you to develop individual tactics for each individual patient, taking into account the severity of clinical manifestations to slow the progression of complications.


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