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1.
Mycopathologia ; 189(1): 10, 2024 Jan 17.
Artículo en Inglés | MEDLINE | ID: mdl-38231407

RESUMEN

BACKGROUND: Mucormycosis and aspergillosis are angioinvasive infections mainly occurring in immunocompromised patients. However, mixed infection with mucormycosis and aspergillosis in post-COVID-19 patients is rare. In this report, we will report four cases and comprehensively review the published literature on COVID-19 associated mixed infection of aspergillosis and mucormycosis. METHOD: Besides four of our cases, we searched for published articles using PubMed/MEDLINE, Scopus, and Web of Science databases from the beginning of 2020 until October 2023. RESULT: During the COVID-19 pandemic, we analyzed 52 cases (4 from our research and 48 from other studies). The most common underlying disease (59.6%) was diabetes mellitus. However, 19.2% of COVID-19 patients had no underlying condition. Interestingly, rhino-orbital-cerebral mucormycosis featured prominently in India and Iran, while other countries primarily reported a higher prevalence of pulmonary cases. CONCLUSION: In conclusion, this study highlights the presence of mixed aspergillosis and mucormycosis in COVID-19 patients who previously had common underlying diseases or even a healthy immune system. Therefore, managing COVID-19 patients should involve screening serum and respiratory samples using biomarkers to detect superinfections.


Asunto(s)
Aspergilosis , COVID-19 , Coinfección , Mucormicosis , Humanos , Mucormicosis/complicaciones , Mucormicosis/diagnóstico , Mucormicosis/epidemiología , Pandemias , COVID-19/complicaciones
2.
J Cardiothorac Surg ; 18(1): 211, 2023 Jul 04.
Artículo en Inglés | MEDLINE | ID: mdl-37403072

RESUMEN

INTRODUCTION: COVID-19 Patients may be at risk for involving with spontaneous pneumothorax. However, clinical data are lacking in this regard. In this study, we aimed to investigate the demographic, clinical, and radiological characteristics and survival predictors in COVID-19 patients with pneumothorax. METHODS: This is a retrospectivestudy conducted on COVID-19 patients with pneumothorax that had been hospitalized at hospital. l from December 2021 to March 2022. The chest computed tomography (CT) scan of all patients was reviewed by an experienced pulmonologist in search of pulmonary pneumothorax. Survival analysis was conducted to identify the predictors of survival in patients with COVID-19 and pneumothorax. RESULTS: A total of 67 patients with COVID-19 and pneumothorax were identified. Of these, 40.7% were located in the left lung, 40.7% were in the right lung, and 18.6% were found bilaterally. The most common symptoms in the patient with pneumothorax were dyspnea (65.7%), increased cough severity (53.7%), chest pain (25.4%), and hemoptysis (16.4%). The frequency of pulmonary left and right bullae, pleural effusion, andfungus ball were 22.4%, 22.4%, 22.4%, and 7.5%, respectively. Pneumothorax was managed with chest drain (80.6%), chest drain and surgery (6%), and conservatively (13.4%). The 50-day mortality rate was 52.2% (35 patients). The average survival time for deceased patients was 10.06 (2.17) days. CONCLUSIONS: Our results demonstrated that those with pleural effusion or pulmonary bullae have a lower survival rate. Further studies are required to investigate the incidence and causality relation between COVID-19 and pneumothorax.


Asunto(s)
COVID-19 , Derrame Pleural , Neumotórax , Humanos , Neumotórax/cirugía , Vesícula/cirugía , COVID-19/complicaciones , Análisis de Supervivencia
3.
Iran J Microbiol ; 14(6): 928-931, 2022 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-36721443

RESUMEN

Pneumothorax following right-sided bacterial endocarditis is an infrequent medical complication usually reported in cases with a history of intravenous drug abuse. The following report describes the condition of a girl without congenital heart disease or a history of intravenous drug abuse who developed pneumothorax secondary to endocarditis.

4.
Acta Med Iran ; 55(6): 389-394, 2017 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-28843240

RESUMEN

Smoking may modify the appetite, and consequently affect nutrient intake and serum micronutrients. The effect of smoking on vitamin B12 status has been considered in several studies. The research proposed that organic nitrites, nitro oxide, cyanides, and isocyanides of cigarette smoke interfere with vitamin B12 metabolism, and convert it to inactive forms. This research was carried out to determine the serum level of active and inactive forms of vitamin B12 in male smokers in comparison with male nonsmokers. This is a case-control study, in which the participants were 85 male smokers and 85 male nonsmokers. The serum levels of total and active form of vitamin B12 were measured. Dietary intake was recorded by a quantitative food frequency questionnaire and one-day 24-hour dietary recall method. Independent two sample T test was used to compare quantitative variables between the case and control groups. The serum level of total vitamin B12 was not significantly different between two groups, but serum level of active form of vitamin B12 in the smoking group was significantly lower than non-smoking group (P<0.001). This is one of the first studies that evaluated the serum level of active form of vitamin B12 in smokers in the Iranian community. The results of this study identified that serum level of total vitamin B12 might be not different between smoking and non-smoking people, but the function of this vitamin is disturbed in the body of smokers through the reduction of serum level of active form of vitamin B12.


Asunto(s)
Fumar/metabolismo , Vitamina B 12/metabolismo , Complejo Vitamínico B/metabolismo , Adulto , Estudios de Casos y Controles , Dieta , Humanos , Irán , Masculino
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