نتایج جستجو برای: arterial obstruction
تعداد نتایج: 183608 فیلتر نتایج به سال:
NSAID: nonsteroidal anti-inflammatory drugs PSA: prostate-specific antigen INTRODUCTION Trousseau syndrome is a hypercoagulable state in association with an underlying malignancy. It is associated with myriad arterial and venous thrombotic events such as superior vena cava obstruction, noninfectious endocarditis, and myocardial infarction. Here we describe an unusual presentation of Trousseau s...
The case history is presented of a patient with acute respiratory failure complicated by nasal obstruction resulting in intolerance of nasal ventilation. Urgent insertion of nasal stents permitted restoration of ventilation with resolution of breathlessness and stabilisation of arterial blood gases.
To assess the value of a continuous marker in predicting the risk of a disease, a graphical tool called the predictiveness curve has been proposed. It characterizes the marker's predictiveness, or capacity to risk stratify the population by displaying the distribution of risk endowed by the marker. Methods for making inference about the curve and for comparing curves in a general population hav...
Obstructive sleep apnea (OSA) is characterized by repetitive episodes of upper airway obstruction during sleep. These obstructive episodes are characterized by cyclic intermittent hypoxia (CIH), by sleep fragmentation, and by hemodynamic instability, and they result in sustained sympathoexcitation and elevated arterial pressure that persist during waking, after restoration of normoxia. Early st...
GASUL and associates1 in 1957 reported three patients with ventricular septal defects and pulmonary hypertension who during repeat catheterizations wvere shown to have developed infundibular pulmonary obstruction with a reduction of pulmonary arterial pressures. They suggested that these patients had only a large ventricular septa] defect when first studied, but later developed hypertrophy of t...
Background: Variation in Renal restive index (RI) values measured using duplex Doppler ultrasonography has been shown to correlate with the degree of renal impairment in acute renal obstruction ,diabetic and hypertensive nephropathy patients. Aims and objectives: The primary objective of this study was to determine whether the intrarenal resistive index can be used as a predictor of progression...
bezoars are concretions of foreign materials that impair gastrointestinal motility or cause intestinal obstruction in the stomach, small intestine or bowel of humans or animals. there are many types of them such as phyto, lacto and trichobezoars. although bezoars are not rare, multiple giant bezoars which totally fill the stomach lumen and have extension to the small intestine (rapunzel syndrom...
STUDY OBJECTIVES To evaluate the rate of arterial thrombosis and catheter-related infection following radial artery or dorsalis pedis artery (DPA) cannulations lasting > or = 4 days. DESIGN Prospective, observational study of two cohorts of ICU patients. SETTING ICU of a university hospital. PATIENTS In a first group of 131 consecutive patients, the DPA was selected for arterial cannulati...
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