Difficulty many workers have had in interfacing their computers with monitor-ports and other equipment.
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Anesthesiology↗
Biomedical subjects
C H Badenhorst
Publications and source records attributed to C H Badenhorst.
Changes in tracheal cuff pressure during respiratory support.
Tracheal wall movement can affect the lateral wall pressure and seal of an endotracheal cuff. This paper studies the relationship between proximal airway pressure (Paw) and the pressure in high-volume, low-pressure, tracheal tube cuffs. Cuff pressure changes during intermittent mandatory ventilation and continuous positive airway pressure (CPAP) cannot be explained solely by the effect of tracheal pressure, as reflected by Paw, on the annulus of the cuff exposed in the trachea. Cuff pressure showed wide swings and decreased below atmospheric pressure in the presence of small Paw fluctuations during CPAP breathing. Thus, adequate gas flow in the ventilator circuit cannot assure minimal pleural pressure changes. Decreases in cuff pressure may indicate inadequate CPAP and may explain why "just seal" pressure in endotracheal cuffs may not always prevent aspiration.
Adult↗
Multidisciplinary intensive care in Bloemfontein, 1981-1984.
From 1981 to 1984, 1,720 patients requiring critical care were admitted to two multidisciplinary intensive care units (MDICUs) run by a department of critical care at the University of the Orange Free State, Bloemfontein. The majority (61%) were referred from outside the metropolitan area. The most important referring specialties were surgery (25%), medicine (19%), orthopaedics (14%), paediatrics (10%) and obstetrics and gynaecology (9%). Almost 50 of patients stayed in unit for 1-4 days while 12% remained for more than 14 days. Average in-unit mortality (IUM) over the 4 years was 27%. The highest annual rate was 38%, but without measurement of severity of illness yearly and unit IUM figures cannot be compared. IUM for patients who remained in the unit for 1 day only (66%) was higher than that for patients remaining for more than 2 weeks (28%). Consultant and resident cover over the 4-year period was problematic and sometimes inadequate. Care by the referring doctor was impractical and limited numbers of patients in each discipline make independent 'level-1' units (ICU doctor in unit at all times) undesirable. The cost of care of the 1,720 patients over 4 years was approximately R5 700,000. Demand for MDICU care increased by 40% from 1981 to 1984.
Age Factors↗
[Fulminating fat embolism syndrome after closed lower leg fracture: a case report].
A patient with fulminant fat embolism syndrome (FES) after a closed fracture of the tibia and fibula is described. Life-threatening FES developed unexpectedly within 9 hours. Patients should be warned about this possibility if they are discharged from hospital early. Those not within reach of adequate care may be better observed in hospital.
Adolescent↗
[Computed tomographic proof of intracranial air bubbles after chest trauma. A case report].
A pulmonary bronchovenous fistula is postulated as the possible cause of cerebral air embolism in a case of left-sided hemiplegia after penetrating chest trauma. The possible mechanisms underlying the clinical picture, the consequences of cerebral air embolism and the management are briefly described.
Bronchial Fistula↗
Proximal port dysfunction in pulmonary artery catheters inserted from the right subclavian vein.
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Adult↗