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Evaluation of Lymphocyte Subtypes in COVID-19 Patients. COVID-19患者淋巴细胞亚型的评价。
Tanaffos Pub Date : 2022-03-01
Mitra Rezaei, Majid Marjani, Payam Tabarsi, Afshin Moniri, Mihan Pourabdollah, Zahra Abtahian, Mehdi Kazempour Dizaji, Neda Dalil Roofchayee, Neda K Dezfuli, Davood Mansouri, Nikoo Hossein-Khannazer, Mohammad Varahram, Esmaeil Mortaz, Ali Akbar Velayati
{"title":"Evaluation of Lymphocyte Subtypes in COVID-19 Patients.","authors":"Mitra Rezaei,&nbsp;Majid Marjani,&nbsp;Payam Tabarsi,&nbsp;Afshin Moniri,&nbsp;Mihan Pourabdollah,&nbsp;Zahra Abtahian,&nbsp;Mehdi Kazempour Dizaji,&nbsp;Neda Dalil Roofchayee,&nbsp;Neda K Dezfuli,&nbsp;Davood Mansouri,&nbsp;Nikoo Hossein-Khannazer,&nbsp;Mohammad Varahram,&nbsp;Esmaeil Mortaz,&nbsp;Ali Akbar Velayati","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Background: </strong>Although many aspects of the COVID-19 disease have not yet been clarified, dysregulation of the immune system may play a crucial role in the progression of the disease. In this study, the lymphocyte subsets were evaluated in patients with different severities of COVID-19.</p><p><strong>Materials and methods: </strong>In this prospective study, the frequencies of peripheral lymphocyte subsets (CD3<sup>+</sup>, CD4<sup>+</sup>, and CD8<sup>+</sup> T cells; CD19<sup>+</sup> and CD20<sup>+</sup> B cells; CD16<sup>+</sup>/CD56<sup>+</sup> NK cells, and CD4<sup>+</sup>/CD25<sup>+</sup>/FOXP3<sup>+</sup> regulatory T cells) were evaluated in 67 patients with confirmed COVID-19 on the first day of their admission.</p><p><strong>Results: </strong>The mean age of patients was 51.3 ± 14.8 years. Thirty-two patients (47.8%) were classified as severe cases, and 11 (16.4%) were categorized as critical. The frequencies of blood lymphocytes, CD3<sup>+</sup> cells, CD25<sup>+</sup>FOXP3<sup>+</sup> T cells, and absolute count of CD3<sup>+</sup> T cells, CD25<sup>+</sup>FOXP3<sup>+</sup> T cells, CD4<sup>+</sup> T cells, CD8<sup>+</sup> T cells, and CD16<sup>+</sup>56<sup>+</sup> lymphocytes were lower in more severe cases compared to the milder patients. The percentages of lymphocytes, T cells, and NK cells were significantly lower in the deceased patients. (p= 0.002 and p= 0.042, p=0.006, respectively).</p><p><strong>Conclusion: </strong>Findings of this cohort study demonstrated that the frequencies of CD4<sup>+</sup>, CD8<sup>+</sup>, CD25<sup>+</sup>FOXP3<sup>+</sup> T cells, and NK cells differed in the severe cases of COVID-19. Moreover, lower frequency of T cells and NK cells could be predictors of mortality in these patients.</p>","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/1f/f2/Tanaffos-21-293.PMC10073943.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9271556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hemoptysis Resolution with Rituximab in Behçet's Disease: A Case Report. 利妥昔单抗治疗behaperet病咯血1例报告。
Tanaffos Pub Date : 2022-03-01
Hamidreza Jamaati, Raha Eskandari, Babak Sharif-Kashani, Roodabeh Haghgoo, Farzaneh Dastan
{"title":"Hemoptysis Resolution with Rituximab in Behçet's Disease: A Case Report.","authors":"Hamidreza Jamaati,&nbsp;Raha Eskandari,&nbsp;Babak Sharif-Kashani,&nbsp;Roodabeh Haghgoo,&nbsp;Farzaneh Dastan","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Behçet's disease (BD) is a multisystem, progressive, and inflammatory disorder of unknown etiology. Vasculitis is believed to underlie various clinical manifestations of BD and is known to be one of the main causes of death due to BD, in cases of large vessel involvement. The current study is done in order to examine the effects of rituximab on the patient's debilitating clinical manifestations, as a result of not responding to the standard treatment regimens. The present case is a 28-year-old female patient with BD associated vasculitis. She was referred to the respiratory referral center, chiefly complaining of intermittent episodes of massive hemoptysis. She had also recurrent oral and genital ulcers, and difficulty in walking, despite considering the common treatment approaches for BD. Our patient received two courses of rituximab in combination with intravenous methylprednisolone. Over six months follow-up period from the date of treatment initiation with rituximab, symptoms of BD such as recurrent hemoptysis and aphthous ulcers were reduced in both frequency and severity. Lower limb weakness and difficulty in walking were improved as well. To summarize, rituximab appears to be an effective alternative for treatment-resistant vasculitis in BD patients.</p>","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/2c/bd/Tanaffos-21-401.PMC10073950.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9259194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative Study of Vascular Endothelial Growth Factor in Exudative and Transudative Pleural Effusion. 血管内皮生长因子在渗出性与渗出性胸腔积液中的比较研究。
Tanaffos Pub Date : 2022-03-01
Shahrzad Mohammadzadeh Lari, Abolfazl Akbari, Kiarash Roustai Geraylow, Shiva Zarifkia, Farahnaz Hokmabadi, Zahra Javidarabshahi, Marzieh Nouri Daloee, Zahra Hadizadeh Talasaz, Houshang Rafatpanah, Saeed Akhlaghi, Reza Basiri, Fariba Rezaee Talab
{"title":"Comparative Study of Vascular Endothelial Growth Factor in Exudative and Transudative Pleural Effusion.","authors":"Shahrzad Mohammadzadeh Lari,&nbsp;Abolfazl Akbari,&nbsp;Kiarash Roustai Geraylow,&nbsp;Shiva Zarifkia,&nbsp;Farahnaz Hokmabadi,&nbsp;Zahra Javidarabshahi,&nbsp;Marzieh Nouri Daloee,&nbsp;Zahra Hadizadeh Talasaz,&nbsp;Houshang Rafatpanah,&nbsp;Saeed Akhlaghi,&nbsp;Reza Basiri,&nbsp;Fariba Rezaee Talab","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Background: </strong>Increased vascular permeability is one of the main mechanisms in the production of pleural effusion (PE) and vascular endothelial growth factor (VEGF) has a significant role in its pathogenesis. This study aimed to compare pleural levels of VEGF in transudative and exudative PEs besides the other pleural markers.</p><p><strong>Materials and methods: </strong>In this prospective cross-sectional study, 80 patients with PE were divided into 4 groups as transudative (N=15), parapneumonic (N=15), tuberculosis (N=25), and malignant (N=25) PE. Biochemical tests measured the pleural protein, LDH, cholesterol, glucose, polymorphonuclear cell (PMN), and lymphocyte. ELISA measured the pleural VEGF level.</p><p><strong>Results: </strong>Out of 80 patients, 51 were male, and the total mean age was 55.34±18.53. There were significant differences in pleural VEGF between exudative and transudative effusion (P<0.001) and between malignant and benign effusion (P=0.014). The highest mean difference in pleural VEGF levels was seen in the comparison of transudative and malignant groups (Mean difference=-136.56; P<0.002). The VEGF level in 3 groups was not significantly different; transudative vs tuberculous, parapneumonic vs tuberculous, and parapneumonic vs malignant. Furthermore, VEGF higher than 73.09 pg/ml had a 64% sensitivity and 82% specificity for the diagnosis of malignancy. Among pleural markers (VEGF, protein, LDH, and glucose), VEGF had the highest area under curve (AUC=0.734). Moreover, pleural protein, LDH, and glucose levels significantly correlated with pleural VEGF; however, pleural cholesterol, PMN, and lymphocyte were not correlated.</p><p><strong>Conclusion: </strong>VEGF is assumed as an important factor in the pathogenesis of exudative PE, especially malignant effusion. It can distinguish between lymphocytic exudative PEs.</p>","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/de/45/Tanaffos-21-384.PMC10073953.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9253001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Non Invasive Ventilation's Effectiveness (NIV) in Patients with Interstitial Lung Disease and Hypercapnic Respiratory Failure. 无创通气在间质性肺疾病和高碳酸血症性呼吸衰竭患者中的有效性。
Tanaffos Pub Date : 2022-03-01
Forogh Soltaninejad, Abbas Samim, Mehrzad Salmasi, Christoph Schőbel, Thomas Penzel, Awat Feizi, Babak Amra
{"title":"Non Invasive Ventilation's Effectiveness (NIV) in Patients with Interstitial Lung Disease and Hypercapnic Respiratory Failure.","authors":"Forogh Soltaninejad,&nbsp;Abbas Samim,&nbsp;Mehrzad Salmasi,&nbsp;Christoph Schőbel,&nbsp;Thomas Penzel,&nbsp;Awat Feizi,&nbsp;Babak Amra","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Background: </strong>The therapeutic options for patients with interstitial lung disease (ILD) are limited. On the other hand, the role of noninvasive ventilation (NIV) in ILD management is not clear. This study investigated the effect of nighttime NIV in hypercapnic ILD patients.</p><p><strong>Materials and methods: </strong>In this unblinded randomized clinical trial, we included a total of 20 ILD patients admitted in a specialized center with hypoxia, PaCO<sub>2</sub>>45, and HCO<sub>3</sub>>27. Participants were randomly allocated into two groups; intervention (nighttime NIV plus standard treatment) and control (standard treatment). The severity of dyspnea and the quality of life (QoL) was evaluated at beginning of the trial and after 30 days through Modified medical research council (mMRC) dyspnea scale and the SF-36 health survey questionnaire. Paired or Wilcoxon Signed rank tests and independent samples t-test or Mann-Whiney U test were used for between and within groups analyses, respectively.</p><p><strong>Results: </strong>The mean age of 20 patients enrolled was 62.57±6.67 and 40% were male. Although, a clinical significant improvement of dyspnea was detected in NIV group (P=0.046) after intervention, it was not statistically different from control group. Significant improvement was observed in physical functioning (P<0.001), social functioning (P=0.004) and pain (P=0.003) detected after 30 days in NIV group and the observed improvement in QoL was significantly higher than control group for physical functioning (P=0.042) and general health (0.049).</p><p><strong>Conclusion: </strong>Our results suggest NIV treatment in patients with ILD and hypercapnic respiratory failure could be advised in order to improve physical functioning.</p>","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/f8/f5/Tanaffos-21-302.PMC10073952.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9259197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Remdesivir in Breastfeeding. Remdesivir在母乳喂养中的应用。
Tanaffos Pub Date : 2022-03-01
Elham Sadati, Parisa Honarpisheh, Fariba Ghorbani
{"title":"Remdesivir in Breastfeeding.","authors":"Elham Sadati,&nbsp;Parisa Honarpisheh,&nbsp;Fariba Ghorbani","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/99/18/Tanaffos-21-261.PMC10073957.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9253000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reversible Acute Lung Injury due to Bleomycin. 博莱霉素引起的可逆性急性肺损伤。
Tanaffos Pub Date : 2022-02-01
Marziyeh Ghalamkari, Mahdi Khatuni, Gholamreza Toogeh, Sepehr Haghighi, Maryam Taherkhani
{"title":"Reversible Acute Lung Injury due to Bleomycin.","authors":"Marziyeh Ghalamkari,&nbsp;Mahdi Khatuni,&nbsp;Gholamreza Toogeh,&nbsp;Sepehr Haghighi,&nbsp;Maryam Taherkhani","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Bleomycin is a unique antibiotic agent with cytotoxic activity and is used successfully in various malignant diseases, such as Hodgkin lymphoma and germ cell tumors. Drug-induced lung injury (DILI) is one of the major limitations of bleomycin administration in particular clinical settings. The incidence varies among patients and depends on a variety of risk factors, such as cumulative drug dose, underlying malignant disease, and concurrent radiation. The clinical presentations are non-specific for bleomycin-induced lung injury (BILI), depending on the onset and severity of symptoms. There is no established guideline for the best treatment of DILI and the treatment is based on the time and severity of pulmonary symptoms. It is important to consider BILI in any patient with pulmonary clinical manifestations who has been treated with bleomycin. Here, we report a 19-year-old woman who is a known case of Hodgkin lymphoma. She was treated with a bleomycin-containing chemotherapy regimen. On the 5th month of therapy, she was admitted to hospital with severe acute pulmonary symptoms and decreased oxygen saturation. She was treated successfully with high-dose corticosteroid without any significant sequelae.</p>","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/90/a3/Tanaffos-21-253.PMC9985134.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9424454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pulmonary Artery Sling Associated with Stridor from Early Infancy: A Case Report. 婴幼儿早期肺动脉悬吊伴喘鸣1例。
Tanaffos Pub Date : 2022-02-01
Mohammad Reza Khalilian, Ramin Baghaei Tehrani, Ali Dabbagh, Saeed Sadr, Ali Reza Norouzi
{"title":"Pulmonary Artery Sling Associated with Stridor from Early Infancy: A Case Report.","authors":"Mohammad Reza Khalilian,&nbsp;Ramin Baghaei Tehrani,&nbsp;Ali Dabbagh,&nbsp;Saeed Sadr,&nbsp;Ali Reza Norouzi","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Background: </strong>Pulmonary artery sling is a rare condition in which the left pulmonary artery anomalously originates from a normally positioned right pulmonary artery. The left pulmonary artery arises anterior to the right main bronchus, courses between the trachea and esophagus then enters the left hilum. Respiratory symptoms such as wheezing, stridor, cough, and dysphasia are common in this anomaly.</p><p><strong>Case presentation: </strong>We describe a 16-month-old male infant presenting recurrent cough, stridor, and wheezing from early infancy. He underwent computed tomography angiography, bronchoscopy, and transthoracic echocardiography, confirming the left pulmonary artery sling diagnosis. Surgical correction of pulmonary artery sling was successfully performed as a new anastomosis between the main pulmonary artery and the left pulmonary artery, as well as tracheoplasty. The infant was discharged without any complications. Follow-up after two years revealed no respiratory symptoms and feeding difficulty.</p><p><strong>Conclusion: </strong>In the presence of chronic cough, stridor, recurrent wheezing, and other prolonged respiratory symptoms, investigation for possible detection of pulmonary artery sling is recommended.</p>","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/5f/fe/Tanaffos-21-249.PMC9985128.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10860690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy of Telemedicine for the Management of Asthma: A Systematic Review. 远程医疗治疗哮喘的疗效:一项系统综述。
Tanaffos Pub Date : 2022-02-01
Sohrab Almasi, Azam Shahbodaghi, Farkhondeh Asadi
{"title":"Efficacy of Telemedicine for the Management of Asthma: A Systematic Review.","authors":"Sohrab Almasi,&nbsp;Azam Shahbodaghi,&nbsp;Farkhondeh Asadi","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Background: </strong>Considering the increased prevalence of asthma and its consequences for individuals and society, its effective management and close monitoring is essential. Awareness of the effects of telemedicine can improve asthma management. The present study aimed to systematically review articles examining the effect of telemedicine on the management of asthma, including control of the symptom, patients' quality of life, costs, and adherence to treatment programs.</p><p><strong>Materials and methods: </strong>A systematic search was performed on four databases: PubMed, Web of Science, Embase, and Scopus. English language clinical trials investigating the effectiveness of telemedicine in asthma management published from 2005 to 2018 were selected and retrieved. The present study was designed and conducted based on the PRISMA guidelines.</p><p><strong>Results: </strong>Out of 33 articles included in this research, telemedicine was employed by 23 studies for the promotion of patient adherence to treatment in the form of reminders and feedback, by 18 for telemonitoring and communicating with healthcare providers, by six for offering remote patient education, and by five for counseling. The most frequently used telemedicine approach was asynchronous (used in 21 articles), and the most commonly utilized tool was Web-based (utilized in 11 articles).</p><p><strong>Conclusion: </strong>Telemedicine can improve symptom control, patients' quality of life, and adherence to treatment programs. However, little evidence exists confirming the effectiveness of telemedicine in decreasing costs.</p>","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/8f/45/Tanaffos-21-132.PMC9985125.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10860693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
COVID -19: From the Molecular Mechanisms to Treatment. COVID -19:从分子机制到治疗
Tanaffos Pub Date : 2022-02-01
Shahram Habibzadeh, Nastaran Hashemzadeh, Hananeh Baradaran, Saiedeh Razi Soofiyani, Golamreza Jadideslam, Yasamin Pahlavan
{"title":"COVID -19: From the Molecular Mechanisms to Treatment.","authors":"Shahram Habibzadeh, Nastaran Hashemzadeh, Hananeh Baradaran, Saiedeh Razi Soofiyani, Golamreza Jadideslam, Yasamin Pahlavan","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The 2019 novel coronavirus (SARS-CoV-2) causes severe pneumonia called COVID-19 and leads to severe acute respiratory syndrome with a high mortality rate. The SARS-CoV-2 virus in the human body leads to jumpstarting immune reactions and multi-organ inflammation, which has poorer outcomes in the presence of predisposing conditions, including hypertension, dyslipidemia, dysglycemia, abnormal adiposity, and even endothelial dysfunction via biomolecular mechanisms. In addition, leucopenia, hypoxemia, and high levels of both cytokines and chemokines in the acute phase of this disease, as well as some abnormalities in chest CT images, were reported in most patients. The spike protein in SARS-CoV-2, the primary cell surface protein, helps the virus anchor and enter the human host cells. Additionally, new mutations have mainly happened for spike protein, which has promoted the infection's transmissibility and severity, which may influence manufactured vaccines' efficacy. The exact mechanisms of the pathogenesis, besides molecular aspects of COVID-19 related to the disease stages, are not well known. The altered molecular functions in the case of immune responses, including T CD4+, CD8+, and NK cells, besides the overactivity in other components and outstanding factors in cytokines like interleukin-2, were involved in severe cases of SARS-CoV-2. Accordingly, it is highly needed to identify the SARSCoV-2 biomolecular characteristics to help identify the pathogenesis of COVID-19. This study aimed to investigate the biomolecular aspects of SARSCoV-2 infection, focusing on novel SARS-CoV-2 variants and their effects on vaccine efficacy.</p>","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/76/22/Tanaffos-21-113.PMC9985119.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9408050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Five-Year Epidemiological Study of Extra-Pulmonary Tuberculosis and Its Related Risk Factors in Iran. 伊朗肺外结核及其相关危险因素的五年流行病学研究。
Tanaffos Pub Date : 2022-02-01
Sahar Fallah, Mahshid Nasehi, Siavash Etemadinezhad, Simin Fallah, Jamshid Yazdani Charati
{"title":"A Five-Year Epidemiological Study of Extra-Pulmonary Tuberculosis and Its Related Risk Factors in Iran.","authors":"Sahar Fallah,&nbsp;Mahshid Nasehi,&nbsp;Siavash Etemadinezhad,&nbsp;Simin Fallah,&nbsp;Jamshid Yazdani Charati","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Background: </strong>Tuberculosis is the most common worldwide cause of death from microbial diseases. Extra-pulmonary tuberculosis accounts for 20% to 25% of all cases. In this study, we used generalized estimation equations to investigate the trend of changes in extra-pulmonary tuberculosis incidence.</p><p><strong>Materials and methods: </strong>The recorded data of all patients with extra-pulmonary tuberculosis from 2015 to 2019 in Iran's National Tuberculosis Registration Center were included. The trend of standardized incidence changes in provinces of Iran was calculated and reported linearly. Also, we identified the risk factors related to the extra-pulmonary tuberculosis incidence in five consecutive years using generalized estimating equations.</p><p><strong>Results: </strong>We studied the data of 12,537 patients with extra-pulmonary tuberculosis, of whom 50.3% were female. The mean age of the subjects was 43.61±19.88 years. Around 15.4% of all patients had a history of contact with a tuberculosis patient, 43% had a history of hospital stay, and 2.6% had a human immunodeficiency virus infection. Regarding disease types, 25% were lymphatic, 22% were pleural, and 14% were bone. Golestan province had the highest (average of 28.50 ± 8.65 cases), and Fars province had the lowest (average of 3.06 ± 0.75 cases) standardized incidences in these five years. Also, time trend (<i>P</i> < 0.001), employment rate (<i>P</i> = 0.037), and average annual rural income (<i>P</i> = 0.001) had a significant effect on reducing extra-pulmonary tuberculosis incidence.</p><p><strong>Conclusion: </strong>Extra-pulmonary tuberculosis has a decreasing trend in Iran. Still, Golestan, Sistan and Baluchestan, Hormozgan, and Khuzestan provinces have a higher incidence rate compared to the other provinces.</p>","PeriodicalId":22247,"journal":{"name":"Tanaffos","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/6f/35/Tanaffos-21-221.PMC9985131.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9408047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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