Feelings of isolation may drive maladaptive coping strategies and manifest in anger, aggression and active avoidance of service use. Suggested service improvements include the active targeting of isolated individuals in the form of pain discussion groups or self-help groups, and greater provision of specialised services.
Homozygous sickle cell disease (SCD) presents a multitude of challenges in patients undergoing cardiac surgery with cardiopulmonary bypass. Special consideration must be made in such patients and routine practice modified to prevent hypoxia, hypothermia, acidaemia and low-flow states which may potentially trigger a fatal sickling crisis perioperatively. We discuss several perioperative management strategies including a preoperative exchange transfusion, high flow normothermic bypass and warm blood cardioplegia that was utilized in a woman with homozygous SCD who underwent a successful double valve procedure.
SummaryA day centre was established to determine whether an alternative approach to the management of uncomplicated sickle pain would improve the quality of care and reduce hospital admissions in patients with sickle cell disease. Since the centre opened there has been a 43% decrease in hospital admissions and 49% decrease in occupied bed days. In the third year, 84% of patients treated for severe sickle pain were managed without the need for hospital admission. A centre offering day case management of painful crisis reduced unnecessary hospital admissions for uncomplicated pain. This approach is safe and costeffective.
Diagnostic electron microscopy for infectious diseases has the advantage that “everything” in the specimen can be observed, without a priori knowledge of the likely identity of the microorganisms present in the sample. The classical specimen preparation method used employs a droplet of sample, which allows particles to adsorb to a support film, and is subsequently negative stained. This “grid on drop” procedure has a sensitivity range of approximately 106 viruses per mL if no enrichment procedures are used. In the current investigation we present a novel use of filtration that allows us to detect viruses at concentrations as low as 102 viruses per mL. We present here methods based on filtration, in which total virus, and not virus concentration, is the limiting factor for detection. We show that filtration is more sensitive than conventional negative staining and can detect as few as 5 × 103 particles per sample.
Feelings of isolation may drive maladaptive coping strategies and manifest in anger, aggression and active avoidance of service use. Suggested service improvements include the active targeting of isolated individuals in the form of pain discussion groups or self-help groups, and greater provision of specialised services.
Mycoplasma are small bacteria that have the ability to penetrate sterilizing-grade filters. Filtration of large-scale mammalian and bacterial cell culture media is an example of an industry process where effective filtration of mycoplasma is required. The Parenteral Drug Association recognized the absence of industry standard test parameters for evaluating mycoplasma clearance filters by filter manufacturers and formed a task force to formulate such a consensus among manufacturers. The use of standardized test parameters by filter manufacturers, including the preparation of the culture broth, will facilitate the end user's evaluation of the mycoplasma clearance claims provided by filter vendors. However, it is still important to recognize filter performance will depend on the actual conditions of use; therefore end users should consider, using a risk-based approach, whether process-specific evaluation of filter performance may be warranted for their application.
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