Intensive care medicine
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Intensive care medicine · Nov 1980
Case ReportsA simple method for continuous pericardial drainage.
Needle pericardiocentesis is performed routinely for relief of symptoms in patients with pericardial effusion and cardiac tamponade. In many patients however, reaccumulation of fluid requires further aspiration or surgical drainage, occasionally as a matter of urgency. ⋯ Introduction into the pericardium is simple, safe, and can be performed quickly without specialised equipment. This procedure is described and illustrated in patients with tuberculous and rheumatoid pericarditis.
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We have treated 30 patients with flail chest, with priority given to associated factors (pain, secretions retention, hemo-/pneumothorax and underlying pulmonary contusion). When this treatment was insufficient IMV + PEEP was instituted; in this group there was a 58.8% incidence of pneumonia, 47.5% of sepsis and 11.7 days average stay in the ICU. These were significantly different when compared to the patients controlled without mechanical ventilatory support 7.7% pneumonia, 0% sepsis, 3.2 days). Surgical fixation was limnited to 4 patients who presented with multiple and greatly displace rib fractures, which made fixation by mechanical ventilation unpredictable.
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Intensive care medicine · May 1980
Hemodynamics and renal function during low frequency positive pressure ventilation with extracorporeal CO2 removal. A comparison with continuous positive pressure ventilation.
Six lambs were anesthetized and connected venovenous mode to a Membrane Lung for Extracorporeal CO2 removal. The animals underwent several hours periods of continuous positive pressure ventilation (CPPV), at 5 cmH2O positive end expiratory pressure (PEEP), alternated with several hours periods of low frequency positive pressure ventilation (5 cmH2O PEEP, 2 b.p.m.) with extracorporeal CO2 removal (LFPPV-ECCO2R). ⋯ The renal function improved significantly during LFPPV-ECCO2R compared with CPPV, i.e. urinary flow, creatinine clearance and osmolar clearance increased by 50%, 37% and 52% respectively. In these experiments LFPPV-ECCO2R, a form of completely artificial ventilation, seems to prevent hemodynamic and renal complications of CPPV.