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Understanding the clinical and demographic characteristics of second coronavirus spike in 192 patients in Tehran, Iran: A retrospective study.

ABSTRACT: During the last months of the coronavirus pandemic, with all those public restrictions and health interventions, the transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) appears now to have been raised in some countries around the world. Iran was one of those first countries facing the second wave of coronavirus, due to the lack of appropriate public restrictions because of economic problems the country is facing. The clinical and demographic characteristics of severe cases and non-severe cases of Coronavirus Disease (COVID-19) in 192 patients in Tehran, Iran, between June 16 and July 11, 2020, were investigated. The patients were divided into severe cases (n = 82) and non-severe cases (n = 110). Demographic and clinical characteristics were compared between the two study clusters. The mean age was 54.6 ± 17.2 years, and the most common presenting symptom was persistent cough (81.8%) and fever (79.7%). The logistic regression model revealed that age, BMI, and affected family members were statistically associated with severity. Patients with complicated conditions of disorders faced more hospitalization days and medical care than the average statistical data. As the coronavirus spike in the case and death reports from June 2020, we observed the rise in the incidence of severe cases, where 42.7% (82/192) of cases have resulted in severe conditions. Our findings also suggested that the effect of IFB (Betamethasone) was more valid than the other alternative drugs such as LPV/r and IVIg.

SUBMITTER: Zaferani Arani H

PROVIDER: S-EPMC7979149 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundWe evaluated the distribution of carbapenem and colistin resistance mechanisms of clinical E. coli and K. pneumoniae isolates from Iran.Methods165 non-duplicate non-consecutive isolates of K. pneumoniae and E. coli were collected from hospitalized patients admitted to Iran's tertiary care hospitals from September 2016 to August 2018. The isolates were cultured from different clinical specimens, including wound, urine, blood, and tracheal aspirates. Antibiotic susceptibility testing was performed by disc diffusion and microdilution method according to the Clinical and Laboratory Standards Institute (CLSI) guideline. The presence of extended spectrum β-lactamases (ESBLs) genes, carbapenemase genes, as well as fosfomycin resistance genes, and colistin resistance genes was also examined by PCR-sequencing. The ability of biofilm formation was assessed with crystal violet staining method. The expression of colistin resistance genes were measured by quantitative reverse transcription-PCR (RT-qPCR) analysis to evaluate the association between gene upregulation and colistin resistance. Genotyping was performed using the multi-locus sequencing typing (MLST).ResultsColistin and tigecycline were the most effective antimicrobial agents with 90.3% and 82.4% susceptibility. Notably, 16 (9.7%) isolates showed resistance to colistin. Overall, 33 (20%), 31 (18.8%), and 95 (57.6%) isolates were categorized as strong, moderate, and weak biofilm-producer, respectively. Additionally, blaTEM, blaSHV, blaCTX-M, blaNDM-1, blaOXA-48-like and blaNDM-6 resistance genes were detected in 98 (59.4%), 54 (32.7%), 77 (46.7%), 3 (1.8%), 17 (10.30%) and 3 (1.8%) isolates, respectively. Inactivation of mgrB gene due to nonsense mutations and insertion of IS elements was observed in 6 colistin resistant isolates. Colistin resistance was found to be linked to upregulation of pmrA-C, pmrK, phoP, and phoQ genes. Three of blaNDM-1 and 3 of blaNDM-6 variants were found to be carried by IncL/M and IncF plasmid, respectively. MLST revealed that blaNDM positive isolates were clonally related and belonged to three distinct clonal complexes, including ST147, ST15 and ST3299.ConclusionsThe large-scale surveillance and effective infection control measures are also urgently needed to prevent the outbreak of diverse carbapenem- and colistin-resistant isolates in the future.

Project description:IntroductionFor nearly three decades, the two neighboring countries of Iran and Pakistan hosted millions of Afghans. Today, Afghans still represent the largest group of refugees in the world. This feature has greatly influenced provision of health care for this population. Due to a paucity of research on the health status of Afghan refugees in Iran, this study aim to make a vista on the pattern of different common diseases among Afghan refugees in Iran and use it as an index for performance evaluation of future health services to them.MethodsThis is a retrospective cross sectional study, in which we collected the demographic and medical data between 2005 and 2010 from referrals to the United Nations High Commissioner for Refugees (UNHCR) offices in Iran. We also considered a comparative review of the burden of disease estimates by the World Health Organization (WHO) for Afghanistan and Iran.ResultsTotal numbers of referrals were 23,152 with 52.6% Female and 47.66% male. 29% were 0-14 years of age, 54% were 15-59, and 17% were 60+. The most common health referral for females and males (0-14) was perinatal diseases (15.16%, 15.2%, respectively). In the females (15-59) it was ophthalmic diseases (13.65%), and for males it was nephropathies (21.4%), and in both sexes (60+) age range it was ophthalmic diseases (21.3%, 19.9%, respectively). The largest ethnic group of afghan refugees in this study was Hazara (55%) followed by Tajik (14%), Fars (12%), Sadat (9%), and 10% others. Ophthalmic diseases were the major cause of referrals by Hazara, Tajik, Fars, and Sadat groups with 26%, 20%, 26%, and 27% respectively. Referrals by pashtun group were mostly for neoplasms (17%), among Uzbek group it was nephropathies (26%), and in Baluch group Hematopoietic disorders (25%).ConclusionThese data indicate higher referral rate for women 15-59 years of old and people in 60+ with ophthalmic diseases, neoplasms, and nephropathies. Even given certain intrinsic limitations of such a study, we believe these unique findings are worth further explanation. This implies the need for public health researchers to pursue prospective studies in these areas.

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Understanding the clinical and demographic characteristics of second coronavirus spike in 192 patients in Tehran, Iran: A retrospective study.

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