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1.
Recent Adv Antiinfect Drug Discov ; 2022 Sep 07.
Article in English | MEDLINE | ID: covidwho-2022311

ABSTRACT

BACKGROUND: COVID- 19 vaccines have been released, giving a major hope of getting rid of the dark pandemic crisis. Availability of vaccine does not necessarily mean that the mass vaccination program is a success. We aimed to investigate COVID-19 vaccination knowledge level, acceptance rate, and perception state among Egyptians. METHODS: An analytical cross-sectional online survey was carried out utilizing a self-administered adult questionnaire which assesses vaccination acceptance with related socio-demographic factors and perceptions based on health belief model perspectives. Predictors of vaccination acceptance were based on logistic regression analysis. RESULTS: We analyzed data for 957 participants, aged 18-78 years, 55.7% were females, and 66.9% were healthcare workers (HCWs). About one-fourth had history of confirmed COVID-19 infection and 56.5% would accept to have one of COVID-19 vaccines where "Pfizer" was the most preferable one (37.8%), while "AstraZeneca" was the most rejected vaccine (26.8%). The 1st vaccine dose was received by 273 (28.5%) of which 260 were intended to receive the 2nd dose. Vaccine efficacy, side effects, protection time, and administration route were essentially among factors that may influence their decision to accept COVID-19 vaccines. About 83.1% had good knowledge about vaccination which was significantly higher with increased age, among graduates/professionals, governmental workers, HCWs in addition to those able to save/invest money, had history of confirmed COVID-19 infection, and intending to have COVID-19 vaccine.. Perceptions that vaccination decreases chance of getting COVID-19 or its complications (OR=9.28; CI: 5.03-17.12), vaccination makes less worry about catching COVID-19 (OR=6.76; CI: 3.88-11.76), and being afraid of getting COVID-19 (OR=2.04; CI: 1.26-3.31) were strong significant predictors for vaccine acceptance. CONCLUSIONS: Vaccine campaigns should emphasize vaccine benefits and highlight severity of infection, while addressing barriers to vaccination in order to improve vaccine coverage among populations.

2.
Travel Med Infect Dis ; 48: 102334, 2022.
Article in English | MEDLINE | ID: covidwho-1799699

ABSTRACT

BACKGROUND: It has been found that patients recovered from COVID 19 may still test Reverse Transcriptase- Polymerase Chain Reaction (RT- PCR) positive without being infectious; the reasons are unclear. The occurrence of false-negative results of RT- PCR interferes with a proper diagnosis. The objectives of that work were to determine factors associated with persistently detectable SARS-CoV-2 RNA among recovered hospitalized patients and to determine the incidence of false-negative RT-PCR results and associated factors. METHODS: Relevant data were collected from 482 COVID 19 patients hospitalized in six referral centers from four countries. RESULTS: The median duration of RT- PCR conversion to negative was 20 days. Out of 482 studied patients, 8.7% tested positive after more than four weeks and were considered prolonged convertors. Binary logistic regression analysis revealed headache as an independent risk factor for short conversion time while fever, hypertension, chronic obstructive pulmonary disease, lymphopenia, elevated erythrocyte sedimentation rate, and the number of lobes affected, and bilateralism were found to be independent risk factors for prolonged positivity. Eighteen patients had initial negative results then turned positive after 24-48 h. Associated factors and outcomes were identified. CONCLUSION: Identifying patients with a high likelihood of COVID-19 despite a negative RT-PCR is critical for effective clinical care. However, patient isolation resumption depending on positive RT-PCR despite clinical and radiological recovery is an overrating that greatly burdens the health sector.


Subject(s)
COVID-19 , SARS-CoV-2 , COVID-19/diagnosis , Humans , RNA, Viral , Respiratory System , Reverse Transcriptase Polymerase Chain Reaction
3.
SSRN; 2022.
Preprint in English | SSRN | ID: ppcovidwho-329046

ABSTRACT

Objectives: To date, the world has experienced three waves of the Coronavirus disease- 19 (COVID-19) pandemic, and the fourth wave is going on. Patients infected during the third wave were the subject of this study. Objectives were to describe their clinical manifestations, to explain their laboratory and radiological findings, to conclude factors contributing to clinical outcomes, and to evaluate treatment protocols used. Methods: Relevant data were collected from patients admitted to six referral centers in four countries. Results: Data analysis identified symptomatology and variables related to acquisition and infection outcome. The commonest symptoms were cough (81.5%), body aches (74.1%), and fever (71.6%). Binary regression model revealed those to be independent risk factors for mortality;age, vomiting and epigastric pain, diabetes, obesity, oxygen saturation less than 90%, leukocytosis, neutrophilia, lymphopenia, thrombocytopenia, elevated creatinine, high glucose level, lung ground glass opacities with consolidation, affection of four lobes and bilateralism. Neither d-dimer nor lactate dehydrogenase nor ferritin foretells death possibility. The efficacy of medications used was convenient. Conclusions: Assessing the clinical features of different COVID-19 waves, identifying predictors of outcomes, and conclude the efficacy of treatment protocols provides insight into patients’ response and viral behaviors, which help in proper diagnosis and treatment of subsequent surges.

4.
Clin Drug Investig ; 41(8): 723-732, 2021 Aug.
Article in English | MEDLINE | ID: covidwho-1333143

ABSTRACT

BACKGROUND AND OBJECTIVE: Low-dose acetylsalicylic acid (ASA, aspirin) is a well-known and frequently studied drug for primary and secondary prevention of disease due to its anti-inflammatory and coagulopathic effects. COVID-19 complications are attributed to the role of thrombo-inflammation. Studies regarding the use of low-dose ASA in COVID-19 are limited. For this reason, we propose that the use of low-dose ASA may have protective effects in COVID-19-related thromboembolism and lung injury. This study was conducted to assess the efficacy of low-dose ASA compared with enoxaparin, an anticoagulant, for the prevention of thrombosis and mechanical ventilation. METHODS: We conducted a retrospective cohort study on COVID-19-confirmed hospitalized patients at the Mansoura University Quarantine Hospital, outpatients, and home-isolated patients from September to December 2020 in Mansoura governorate, Egypt. Binary logistic regression analysis was used to assess the effect of ASA compared with enoxaparin on thromboembolism, and mechanical ventilation needs. RESULTS: This study included 225 COVID-19 patients. Use of ASA-only (81-162 mg orally daily) was significantly associated with reduced thromboembolism (OR 0.163, p = 0.020), but both low-dose ASA and enoxaparin, and enoxaparin-only (0.5 mg/kg subcutaneously (SC) daily as prophylactic dose or 1 mg/kg SC every 12 hours as therapeutic dose) were more protective (odds ratio [OR] 0.010, OR 0.071, respectively, p < 0.001). Neither ASA-only nor enoxaparin-only were associated with a reduction in mechanical ventilation needs. Concomitant use of low-dose ASA and enoxaparin was associated with reduced mechanical ventilation (OR 0.032, 95% CI 0.004-0.226, p = 0.001). CONCLUSIONS: Low-dose ASA-only use may reduce the incidence of COVID-19-associated thromboembolism, but the reduction may be less than that of enoxaparin-only, and both ASA and enoxaparin. Concomitant use of ASA and enoxaparin demonstrates promising results with regard to the reduction of thrombotic events, and mechanical ventilation needs.


Subject(s)
COVID-19 , Thrombosis , Anticoagulants/therapeutic use , Aspirin , Enoxaparin/therapeutic use , Humans , Respiration, Artificial , Retrospective Studies , SARS-CoV-2 , Thrombosis/prevention & control
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