نتایج جستجو برای: internal tamponade
تعداد نتایج: 236456 فیلتر نتایج به سال:
Tamponade treatment in epistaxis is painful and the patient needs hospitalisation. Irrigation with hot water was introduced as a treatment of epistaxis 100 years ago. This study compares the two treatments with respect to effect, recurrence, pain, and length of hospital stay. Forty-four consecutive patients with posterior epistaxis were randomized to receive treatment with either hot water (HWI...
Cardiac tamponade is an uncommon but life-threatening complication of percutaneous coronary intervention (PCI). The purpose of the present study was to characterize the incidence, management, and clinical outcome associated with this complication. We analyzed a prospective database of 25,697 PCIs performed at William Beaumont Hospital (Royal Oak, Michigan) between October 1993 and December 2000...
PURPOSE To compare the effectiveness of pars plana vitrectomy (PPV) with either silicone oil or gas tamponade for the treatment of traumatic macular holes. METHODS A retrospective comparative study included 22 patients who were operated on by PPV for repair of traumatic macular holes with either silicone oil tamponade (nine patients) or perfluoropropane (C(3)F(8)) gas tamponade (13 patients)....
CONTEXT Cardiac tamponade is a state of hemodynamic compromise resulting from cardiac compression by fluid trapped in the pericardial space. The clinical examination may assist in the decision to perform pericardiocentesis in patients with cardiac tamponade diagnosed by echocardiography. OBJECTIVE To systematically review the accuracy of the history, physical examination, and basic diagnostic...
We have identified pericardial effusion by echocardiography in 174 patients. Seventeen had cardiac tamponade which was not always clinically obvious. Right ventricular narrowing or compression, occurring in the minor axis at end diastole and end expiration, to 7 +/- 2 mm or less, was strongly associated with tamponade in patients with effusion. Right ventricular compression and signs of tampona...
The hepatic arterial buffer response (HABR) tends to maintain liver blood flow under conditions of low mesenteric perfusion. We hypothesized that systemic hypoperfusion impairs the HABR. In 12 pigs, aortic blood flow was reduced by cardiac tamponade to 50 ml. kg(-1). min(-1) for 1 h (short-term tamponade) and further to 30 ml. kg(-1). min(-1) for another hour (prolonged tamponade). Twelve pigs ...
BACKGROUND Cardiac tamponade is a severe complication after open heart surgery. Diagnostic imaging is challenging in postoperative patients, especially if tamponade develops with subacute symptoms. Hypothesizing that delayed tamponade after open heart surgery is not sufficiently detected by transthoracic echocardiography, in this study CT scans were used as standard reference and were compared ...
Introduction In a normovolemic patient, low cardiac output after cardiac surgery may be a result of myocardial ischaemia and/ or pericardial tamponade. However, without any objective evidence of ischaemia alongwith no signs of pericardial tamponade or regional wall motion abnormality on transthoracic echocardiogram (TTE), the diagnosis remains ambiguous. Computed tomography (CT scan) of the che...
Echocardiographic and hemodynamic data were measured in closed-chest dogs during graded cardiac tamponade (pericardial pressure 5, 10, and 15 mm Hg) before and after production of diffuse ischemic left ventricular dysfunction. Left ventricular dysfunction was produced by intracoronary injection of nonradioactive microspheres (54 +/- 3.9 mm diameter). Changes in left atrial pressure with cardiac...
Background. Cardiac tamponade after cardiac surgical procedures is often associated with hemodynamically significant localized pericardial effusions. The localized collection of pericardial effusion in the postoperative period and the atypical presentation of cardiac tamponade limit the use of conventional clinical and echocardiographic signs usually seen with a circumferential pericardial effu...
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