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OBJECTIVE The development of a safe, portable, accurate, and adaptable system to deliver nitric oxide to patients with pulmonary hypertension. DESIGN A prospective, clinical study. SETTING Tertiary care pediatric intensive care unit and cardiac catheterization laboratory. PATIENTS One hundred twenty-three patients (median age 11 months, range 1 day to(More)
The effects of long-term exposure to aluminium on the development of Alzheimer-type neuropathological changes have been studied post-mortem in patients with chronic renal failure who did not have dialysis encephalopathy. Administration of aluminium-containing phosphate binding compounds appears to be a major factor in the accumulation of aluminium in the(More)
Patch angioplasty during carotid endarterectomy (CEA) has been shown to reduce the incidence of both early and late complications. Controversy continues, however, over the ideal patch material. Bovine pericardium (Vascu-Guard Biovascular Inc., Saint Paul, MN) offers an attractive alternative to other patch materials because of its handling and suturing(More)
OBJECTIVE To evaluate the safety and effectiveness of high-frequency oscillatory ventilation using a protocol designed to achieve and maintain optimal lung volume in pediatric patients with respiratory failure. SETTING Tertiary care pediatric ICU in a university hospital. DESIGN A prospective, clinical study. PATIENTS Seven patients aged 1 month to 15(More)
The incidence of neonatal extracorporeal membrane oxygenation (ECMO) is decreasing nationally. This decrease is presumed to be a result of the emergence of alternative technologies such as high-frequency oscillatory ventilation (HFOV), nitric oxide (NO), and surfactant therapy as well as others. The purposes of the present report were to determine just how(More)
Exposing guinea pigs to toluene diisocyanate (TDI) causes an acute increase in airway responsiveness to inhaled acetylcholine. The mechanism of this increase in airway responsiveness is unknown. Capsaicin-sensitive afferent nerves and the tachykinins they release upon activation are important in controlling bronchomotor tone in guinea pigs. To determine(More)
BACKGROUND Increased pulmonary vascular resistance is common in congenital heart disease and is exacerbated by cardiopulmonary bypass (CPB). We investigated whether CPB is responsible for pulmonary endothelial dysfunction and contributes to postoperative pulmonary hypertension. METHODS AND RESULTS We infused the endothelium-dependent vasodilator(More)
OBJECTIVES To evaluate the performance of a newly developed single breath CO2 analysis station in measuring the airway deadspace in a lung model (study 1), and then to quantify the bias and precision of the physiologic deadspace measurement in a surfactant-depleted animal model (study 2). DESIGN A prospective bench validation of a new technique of airway(More)
The reported isolation of nanobacteria from human kidney stones raises the intriguing possibility that these microorganisms are etiological agents of pathological extraskeletal calcification [Kajander, E. O. & Ciftçioglu, N. (1998) Proc. Natl. Acad. Sci. USA 95, 8274-8279]. Nanobacteria were previously isolated from FBS after prolonged incubation in DMEM.(More)