نتایج جستجو برای: ctpa
تعداد نتایج: 309 فیلتر نتایج به سال:
Pulmonary embolism (PE) is a frequent and potentially lethal disease caused by the migration of a thrombus to the pulmonary circulation, typically from the venous system of the lower limbs. Unfortunately, there are no specific sets of symptoms which accurately predict or exclude the diagnosis. Therefore, in clinical practice, the diagnosis always strongly relies on imaging. On the other hand, c...
OBJECTIVE To quantify right ventricular dysfunction (RVD) and pulmonary obstruction index assessed by computed tomographic pulmonary angiography (CTPA) to assess the predictive value of these CT parameters for mortality after the initial diagnosis of acute pulmonary embolism (APE). MATERIAL AND METHOD In 81 consecutive patients with proved APE, two readers assessed the extent of RVD, the shap...
PURPOSE To determine the frequency of apparent acute pulmonary embolism (PE) and of concomitant disease in computed tomography pulmonary angiography (CTPA); to compare the frequency of PE in patients with pneumonia or acute cardiac disorder (acute coronary syndrome, tachyarrhythmia, acute left ventricular heart failure or cardiogenic shock), with the frequency of PE in patients with none of the...
background: the aim of the study is to determine the correlation between clinical and echocardiographic fi ndings and risk factors of patients with suspected acute pulmonary thromboembolism (pte) who underwent computed tomography pulmonary angiography (ctpa). materials and methods: in this cross-sectional study, 310 hospitalized patients aged >18 years with high clinical suspicion of pte referr...
Pulmonary embolism (PE) is a very serious condition causing sudden death in about one-third of the cases. Treatment with anti-clotting medications is highly effective but not without complications, while diagnosis has been missed in about 70% of the cases. A major clinical challenge, particularly in an Emergency Room, is to quickly and correctly diagnose patients with PE and then send them on t...
AIM To evaluate the feasibility of reducing the dose of iodinated contrast agent in computed tomography pulmonary angiography (CTPA). METHODS One hundred and twenty-seven patients clinically suspected of having pulmonary embolism underwent spiral CTPA, out of whom fifty-seven received 75 mL and the remaining seventy a lower dose of 60 mL of contrast agent. Both doses were administered in a mu...
Background: Patients with acute pulmonary embolism (APE) present with a broad spectrum of prognoses. Computed tomographic pulmonary angiography (CTPA) has progressively been established as a first line test in the APE diagnostic algorithm, but estimation of short term prognosis by this method remains to be explored. Methods: Eighty two patients admitted with APE were divided into three groups a...
An analytical method was considered for estimating vehicle interior noise and vibration identifying main contributors in case the power source is replaced by combining operational (OTPA) component transfer path analysis (CTPA) methods. A simple model equipped with motor small test bench prepared basic consideration this study. In method, OTPA CTPA were applied to following three steps. first st...
BACKGROUND Validated diagnostic algorithms in patients with suspected pulmonary embolism are often not used correctly or only benefit subgroups of patients, leading to overuse of computed tomography pulmonary angiography (CTPA). The YEARS clinical decision rule that incorporates differential D-dimer cutoff values at presentation, has been developed to be fast, to be compatible with clinical pra...
BACKGROUND Although complex scores were recommended for diagnosis of pulmonary embolism (PE), acceptance in clinical practice is limited. In our Emergency Department a symptom-based algorithm for patients with suspected PE including computed tomographic pulmonary angiography (CTPA) and D-dimer testing was implemented. PATIENTS AND METHODS The cases of 492 patients presenting with either chest...
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