Background: Reservation of blood leads to blood wastage if the blood is not transfused. Therefore, in some centers only blood type and screen are evaluated. In this study, the efficacy of a blood crossmatch-to-transfusion ratio was measured and then compared with the standard levels. Methods: This prospective study was conducted during one year in a university hospital. During this period, 39...

objectives the main objective of this study was to design and construct an optical device to determine the rbv in patients undergoing hemodialysis, during the process. materials and methods after initial studies in order to select a proper sensor, using the orcad software, an analog circuit was designed. the implementation and modification of the circuit was done by the clinical tests, using ex...

patients and methods in a double-blind clinical trial, 103 patients (american society of anesthesiologists class i, ii) aged 18 - 45 years old, who were septorhinoplasty candidates, were randomly assigned into two groups, a 900 mg gabapentin group and placebo, in amir-al-momenin academic hospital. the drug was prescribed to the patients orally, 2 hours before the operation. anesthetic technique...

ramadan is considered a holy month in the islamic calendar. during this month, all able-bodied muslim adults refrain from foods, drinks, smoking, and medications from dawn until sunset. in islamic rules, patients and those for whom fasting may have major health risks are exempted from fasting during ramadan. there is still no consensus regarding the effects of ramadan fasting, as a unique oppor...

abstract      background and objective: aluminum phosphide (alp) is a solid non-organic phosphide with dark gray or dark yellow crystals. it reacts with stomach acid after ingestion and causes phosphine gas to be released. it is thought that phosphine causes toxicity from enzymatic interference and may even lead to cell death. this study aimed to investigate the effects of poisoning with rice t...

exposure to mercury (hg) as a heavy metal can cause health effects. the objective of this study was to assess occupational exposure to hg in a chlor-alkali petrochemical industry in iran by determining of hg concentrations in air, blood and urine samples.the study was performed on 50 exposed subjects and 50 unexposed controls. air samples were collected in the breathing zone of exposed subjects...

introduction transfusion of red blood cells is a key component in the resuscitation of massively hemorrhaging patients post-injury. little is known about the functional status of patients at discharge or the outcome of patients after discharge from acute hospitalization. we assessed the changes among major trauma patients who had received massive transfusions. materials and methods this article...

the clinical significance of abo and rhesus blood group systems has been well documented. the objective of this study was to determine the frequency of abo and rhesus blood groups in blood donors in lahore, pakistan, with a view to generate data with multipurpose future practicalities in the field of medicine. blood groups of 3000 blood donors were determined by commercially available standard ...

background: blood is permanently exposed to oxidation stress and therefore has a high antioxidants capacity. many different factors increasing the demand for the antioxidant capacity can be observed in the stored blood of donors. consequently, damage to erythrocytes by free radicals may occur. so it is useful to control the alternation of anti-oxidant enzymes in stored blood at different days o...

the evolution of human blood groups, without doubt, has a history as old as man himself. there are at least three hypotheses about the emergence and mutation of human blood groups. global distribution pattern of blood groups depends on various environmental factors, such as disease, climate, altitude, humidity etc. in this survey, the collection of main blood groups abo and rh, along with some ...