نتایج جستجو برای: age replacement
تعداد نتایج: 854489 فیلتر نتایج به سال:
Cardiac macrophages (cMΦ) are critical for early postnatal heart regeneration and fibrotic repair in the adult heart, but their origins and cellular dynamics during postnatal development have not been well characterized. Tissue macrophages can be derived from embryonic progenitors or from monocytes during inflammation. We report that within the first weeks after birth, the embryo-derived popula...
OBJECTIVE To describe age-related differences in outcomes among older adults undergoing total hip arthroplasty (THA) and total knee arthroplasty (TKA). DESIGN Retrospective study. PARTICIPANTS A total of 1792 patients who underwent primary THA or TKA at the University of Iowa Hospitals and Clinics between 2010 and 2013 were identified in the University HealthSystem Consortium Database and U...
BACKGROUND Some studies of premenopausal women suggest that the severity of psychopathology associated with schizophrenia may be related to levels of estrogen. METHODS We examined psychopathology in community-dwelling postmenopausal women with schizophrenia who had received (n = 24) versus had never received (n = 28) hormone replacement therapy. RESULTS Users of hormone replacement therapy ...
Estrogen replacement therapy significantly decreases the incidence of cardiovascular disease in postmenopausal women. In aging, there is an increase in vascular stiffness along with a decrease in matrix metalloproteinase (MMP) activity. Our hypothesis was that estrogen replacement would increase MMPs and therefore reduce the vascular stiffness that is associated with aging. Female Sprague-Dawle...
There is a growing body of evidence over the last years suggesting continuous positive airway pressure (CPAP) ventilation being the first choice of ventilatory support in newborns with extremely low gestational age, and early rescue surfactant treatment being as effective as prophylactic therapy. The Intubation Surfactant Extubation procedure is discussed as an alternative procedure that may ha...
This paper explores a reliability based heuristic mathematical model for basic and classical age replacement policy. Using new model, optimal preventive age replacement policy is determined to maximize system reliability. For special systems having exponential density function with constant hazard function, a different simple decision-making model is proposed. A case study of two industrial mac...
Introduction: Dental amalgam is regarded as a popular restorative material. The purpose of this study is to investigate the reasons of replacing amalgam restorations in patients referring to Babol dental school within 2013-2014. Methods: In this analytic-descriptive study, age, sex, type of occlusion DMF, existence of parafunction, as well as type of tooth, restoration class and reason of amal...
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