نتایج جستجو برای: heart dose

تعداد نتایج: 683169  

Background: To evaluate general anesthesia with sevoflurane vs spinal anesthesia with low dose lidocaine 5% onhemodynamics changes in patients undergoing hip fracture surgery.Methods: In this randomized double blind trial 100 patients (50 patients in each group) older than 60 years underhip surgery were randomized in general anesthesia with sevoflurane and spinal anesthesia with lidocaine 5%.He...

2015
Xin Ming Yuanming Feng Huan Liu Ying Zhang Li Zhou Jun Deng Jian Jian Li

PURPOSE To retrospectively evaluate the cardiac exposure in three cohorts of lung cancer patients treated with dynamic conformal arc therapy (DCAT), intensity-modulated radiotherapy (IMRT), or volumetric modulated arc therapy (VMAT) at our institution in the past seven years. METHODS AND MATERIALS A total of 140 lung cancer patients were included in this institutional review board approved st...

2009
Ashley A. Gale Anudh K. Jain Laura A. Vallow Christopher F. Serago Steven J. Buskirk Michael G. Heckman

To compare the radiation dose to normal cardiac tissue for 3Dimensional (3D) conformal external beam partial breast irradiation (PBI) and standard whole breast irradiation (WBI), and examine the effect of tumor bed location. For 14 patients with left breast tumors randomized on the National Surgical Adjuvant Breast and Bowel Project B-39 protocol, computer-generated radiotherapy treatment plans...

Journal: :The Journal of pharmacology and experimental therapeutics 2004
Kathryn K Chadman James H Woods

Chlorisondamine and mecamylamine are nicotinic antagonists that produce both ganglionic and central blockade. Chlorisondamine, when administered as a large systemic dose, produces a persistent central block, despite being charged. The present study evaluated the cardiovascular effects of chlorisondamine. Shortly after administration, chlorisondamine (0.10, 1, and 10 mg/kg i.m.) lowered blood pr...

حسینی مهر, جلال, حمزه, مائده, طالب پور امیری, فرشته, کریم پور ملک شاه, عباسعلی, یعقوبی بکلر, سعید,

Background and purpose: Cyclophosphamide (CP) is used as an anti-cancer and immunosuppressive agent and it is accompanied with severe cardiotoxicity and anemia. Atorvastatin (ATV) is a widely used medication in hypercholesterolemia that has antioxidant and anti-inflammatory properties at low dose. The aim of this study was to investigate the protective effect of ATV on cyclophosphamide-induced ...

Journal: :Postgraduate medical journal 2001
R McMullan B Silke

AIM To describe the pattern of angiotensin converting enzyme (ACE) inhibitor doses prescribed by general physicians for patients with chronic heart failure and to review the current evidence favouring the use of higher doses. DESIGN A retrospective survey of the medications of 125 patients with chronic heart failure (in both inpatient and outpatient settings) was carried out between December ...

B. Goldoost, K. Mostafanezhad, N. Jabbari, O. Esnaashari,

Background: In the radiotherapy of patients with esophagus and breast cancer, the heart receives a significant dose of radiation that might cause heart complications. Thefore, the aim of the current study was to evaluate the effects of esophagus and left breast cancer radiotherapy on the cardiac function and to determine the relationship between the dosimetric parameters and ejection fraction (...

Journal: :Pakistan journal of science 2023

Effect of the leaves suspension Cassia occidentalis on elimination excess iron from artificially overloaded rabbits was studied. Leaves C. (250mg/kg) were used for rabbits. Rabbits divided into three groups; five weeks and then treated with selected herb four weeks. Iron concentrations in serum body organs like heart, liver kidneys assayed all groups after overloading jectosol plus injections a...

Journal: :Sains Malaysiana 2022

Isoprenaline (ISO) at high doses can cause severe stress to myocardium resulting in an infarct-like necrosis rats. However, its effects repeatedly low dose exposure on heart, kidney and aorta are still unclear. Hence, this study was aimed investigate the of repeated administration ISO organs rats by using Langendorff-perfused isolated hearts, ELISA kits, qPCR histopathology techniques. Male Wis...

Journal: : 2021

Objective: Anthracyclines which are the main drug of chemotherapy protocols had cardiotoxicity as most frequent and well-known side effect. We aimed to evaluate prospectively heart rate variability with 24-hour Holter electrocardiography (ECG) in children cancer who treated anthracycline drugs. Material Methods: The ECG monitoring was performed at baseline, time 120 mg/m 2 ≥240 cumulative dose ...

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