Omidi N, Sharif Kashani B, Asadpour Piranfar M, Rafie Khorgami M, Ghorbani Yekta B, Omidi H,
Volume 70, Issue 9 (5 2012)
Abstract
Background: Evaluation of diastolic dysfunction and its relationship with TIMI frame count in patients with stable coronary artery disease referred to Ayatollah Taleghani Hospital in Tehran in the years 2010-2011 is the purpose of this study.
Methods: Patients were divided into two groups: case and control. Both groups had chronic angina. Patient information on check list has been studies based on data provided by angiography and echocardiography methods.
Results: Cases had significantly higher values of corrected TIMI frame count (TFC) for the left anterior desending artery (LAD), TFC for Circumflex artery (Cx) & Right coronary artery (RCA), (mean TFC P<0.001). Conventional echocardiography showed significantly lower maximal peak systolic velocity (sm) (cm/s), Correlation of early diastolic velocity at myocardial segments (Em) & peak systolic velocity at myocardial segments (Sm) with mean TFC in all 3 vessels were significant (P=0/0001). Ratio of maximal early to late diastolic filling (E/A), in patient with TFC≥ 21 was 0/7 & in patients with TFC≤21 was 1. DT (Deceleration time) had no significant correlation with TFC. Mean of isovolumetric relaxation time (IVRT) in cases was 91 m/s & in controls was 72 m/s Which was higher in patients with mean TFC ≥21. Correlation between mean of angiography and diastolic disfunction was significant.
Conclusion: According to this study diastolic dysfunction which estimated by echocardiography showed significant correlation with TIMI frame count in chronic stable angina patients. Due to simplicity, low cost, quality and reproducibility of this method, this will be helpful.
Shayda Barat, Khosro Iranfar, Mahsa Ghanbari,
Volume 81, Issue 10 (January 2024)
Abstract
Background: Mucormycosis is a rare and aggressive opportunistic fungal infection that has grown significantly in recent years. This infection is rarely seen in healthy people. Mucormycosis usually appears as an acute infection with manifestations in the rhino-cerebral, pulmonary and skin areas, and sometimes its manifestations can be seen as a widespread infection. The special importance of mucormycosis is due to its high mortality rate, which leads to death in 75 to 80 percent of cases. The specific susceptibility of some patients to mucormycosis points to the importance of iron absorption in the pathogenesis of mucormycosis, therefore, we decided to investigate the relationship between serum iron and ferritin levels and mucormycosis disease in patients with underlying factors predisposing to COVID-19.
Methods: This study is a case-control type, in which patients with mucormycosis after contracting COVID-19 and also with a history of diabetes mellitus as the case group and patients with COVID-19 and a history of diabetes mellitus are considered as the control group and the serum level of iron and ferritin will be measured and compared in both groups and the outcome of the study will be determined based on the obtained results.The study took place in hospitals of the Kermanshah university of medical sciences in the Kermanshah city from March 2021 to March 2022.
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Results: In this study, 38 patients were examined in two groups of patients with mucormycosis along with COVID-19 and diabetes in the case group and patients with COVID-19 and diabetes in the control group with an average age of 63 years. In this study, there was no significant difference between the average age in the two studied groups. However, a significant difference was observed between serum iron and ferritin levels in two groups.
Conclusion: Hyperferritinemia is considered not only as an indicator of the systemic inflammatory process in the infection of COVID-19, but also indicates an increase in free iron level, which, as a result, contributes to the growth and spread of the fungus (mucormycosis).
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