Introduction: Cognitive dysfunction is the most common problem of patients with Alzheimer disease (AD). The pathological mechanism of cognitive impairment in AD may contribute to neuronal loss, synaptic dysfunction, and alteration in neurotransmitters receptors. Mitochondrial synapses dysfunction due to the accumulation of amyloid beta (Aβ) is one of the earliest pathological features of AD. Th...

background: socioeconomic problems, would affect the people in all stages of life, especially the menopausal period. in this stage of life, the women experience loss of social positions, and responsibilities. the current study was carried out to assess the relationship between the socioeconomic state and sexual dysfunction in menopausal period. methods: this is an analytic, cross-sectional stud...

background serum creatinine as a classic marker of renal function has several limitations in the detection of renal dysfunction. objectives this study assessed the validity of serum cystatin c as a marker of renal function in critically ill patients with normal serum creatinine. patients and methods eighty adult patients referred to intensive care units with serum creatinine levels < 1.5 mg/dl ...

background: no study has been conducted yet on the process of adjustment of wives with their husbands’ erectile dysfunction in the transitional stages, and there is lack of understanding of this process in iran. objectives: a qualitative, grounded-theory study was designed to examine the process of adjustment of wives with their husbands’ erectile dysfunction in transitional stages. materials a...

metals can cause oxidative stress by increasing the formation of reactive oxygen species (ros), which make antioxidants incapable of defiance against growing amounts of free radicals. metal toxicity is related to their oxidative state and reactivity with other compounds. however, several reports about metals have been published in the recent years. mitochondria, as a site of cellular oxygen con...

human immunodeficiency virus (hiv) infection has been associated with cardiac disease, including anatomical or functional disturbance to the heart. cardiomyopathy (cmp) is one of these disturbances that have been associated with high rates of morbidity and mortality. in this review article, several aspects of potential relationships between hiv infection and cardiomyopathy development have been...

the purpose of this study was to determine the number of prescribed antibiotics being appropriately adjusted and to assess antibiotics with the highest incorrect dosing based on the patient’s renal function according to distinguished guidelines. the study was conducted at a 446-bed university hospital. one hundred and fifty patients admitted through different wards of the hospital were included...

people with alzheimer disease (ad) have decreases in brain cell function that may increase their risks as drivers. the changes in brain cells affect memory (at first, short-term memory and then much later, long-term memory) and other thinking functions. in addition, people with early ad, though often very functional in many areas of life, may not be as competent behind the wheel of a car as tho...