“… at one age [a child] will be quite incapable of deciding whether or not to consent to a dental examination, let alone treatment. At a later stage it will be capable of both, but incapable of decising whether to consent to more serious treatment. But there is no suggestion that the extent of this competence can fluctuate upon a day to day or week to week basis. What is really being looked at is an assessment of mental and emotional age, as contrasted with chronological age, but even this test needs to be modified in the case of fluctuating mental disability to take account of that misfortune. It should be added that in any event what is involved is not merely an ability to understand the nature of the proposed treatment – in this case compulsory medication – but a full understanding and appreciation of the consequences both of the treatment in terms of the intended and possible side effects and, equally important, the anticipated consequences of a failure to treat.”
“a. Haemoglobin - We would ordinarily transfuse for low haemoglobin at 70 g/litre (guidelines vary between hospitals) or if the patient is symptomatic. We may lower the threshold for CX, but it is important that he feels well. If he is symptomatic with low haemoglobin he may feel tired, have headaches, shortness of breath and may not eat as well. This will compromise his general wellbeing and nutritional status. This in turn will compromise his ability to tolerate chemotherapy and in turn his chances of cure. b. White cell count – these will inevitably drop due to the nature of chemotherapy. This will make him susceptible to serious, life threatening infections and he will need urgent intravenous antibiotics if febrile or unwell. In case of severe sepsis, occasionally blood products like fresh frozen plasma or albumin may need to be given to support his care. c. Platelets – A normal platelet count is 140 – 400 x 10 9 /L (again, there are small variances between hospitals). Myelosuppressive chemotherapy would lower the platelet count and therefore increase the risk of bleeding. This may be in the form of gum or nose bleeding but can be more serious, e.g. bleeding from the gut or brain. Our normal threshold for platelet transfusion is 10 if well and 20 if febrile. If there are any signs of bleeding or mucositis (sore mouth), we may transfuse at higher platelet levels to try and minimise the risk of a serious bleed. d. In summary, blood and platelet support not only help to keep CX safe though treatment, [their use] also helps us to deliver the full dose of the chemotherapy and therefore optimise the chances of cure.”