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Public release date: 16-Apr-2012[ | E-mail |
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Elhuyar Fundazioa
This is what Luis Carlos Alvaro of the University of the Basque Country says in the journal Neurologia
Luis Carlos lvaro, a clinical neurologist at the Hospital of Basurto (Bilbao) and lecturer at the University of the Basque Country (UPV/EHU), has had an article published on the capacity of patients with dementia to make decisions. It is entitled Competencia: conceptos generales y aplicacin en la demencia (Competence: general concepts and application in dementia), and has been published in the journal Neurologa.
lvaro is a member of the Health Care Ethics Committee at the above hospital, and this has influenced the motivation behind his paper. "It is about the interaction between a clinical pathology that is very common for us [neurologists] and the capacity to make decisions, and which has received much attention from committees on bioethics," he says. But that is not all, because this paper serves to assert the importance of neurologists when it comes to determining the extent to which dementia has damaged the patient's competence: "Owing to a tradition that we neurologists at least do not share, it is often the psychiatrists who assess competence in the case of dementias. This is an area in which we neurologists are in fact the ones who can contribute most, because it is our pathology. We know the patients and deal with them, and we are the most qualified when it comes to taking decisions of this kind."
Risk level
lvaro explains what we are talking about when we refer to competence: "It is about assessing the capacity to decide in any activity in daily life. Most of the decisions have to do with the patient's daily life: whether he or she wishes to be admitted to a nursing home, whether he or she wants to take a particular medication It is about deciding whether his or her mental capacity is sufficient to be able to take a decision of this kind." Something which, in the view of this author, is very complex, and in which no standardization has yet been reached on a universal agreement or on the tools, although there are several available: "It is not easy, because there are many kinds of decisions, and many stages of dementia, too."
As far as the stages are concerned, the article refers, among other things, to the so-called Drane table, which specifies the level of capacity that neurologists should demand of the patient (not just in cases of dementia), in terms of the risk involved in the decision to be taken. In other words, the more risks that are involved in accepting or rejecting a procedure, the greater the patient's competence has to be, and vice versa. For example, the capacity of a patient with meningitis has to be high if he or she wants to refuse to take antibiotics, since the consequences of such a decision may prove fatal. By contrast, such a degree of capacity is not required of a patient with dementia when what is being rejected is a cranial tomography, because the risks of not performing one are minimal.
Nevertheless, in connection with this matter, he points to certain practices in need of improvement from the bioethical perspective: as the patient does not normally reject the treatment, nor do there tend to be high risks in the event of doing so, the lack of competence passes unnoticed, and so there is little sensibility towards this incapacity. "The lack of power to decide in favour of a specific activity is very common, but as in most of them there are no consequences because they are minor matters, the alarm bells do not usually sound. But that does not exempt us from assessing them. We ought to assess them more and bear in mind that they depend on the level of decision required," says lvaro.
Guidelines for assessment
Nowadays, neurologists resort mainly to experience to assess whether the patient understands the information being transmitted to him or her and the consequences arising out of the decision he or she makes. As pointed out already, there is no standardization of the tools available, "but in any case they are always useful," as lvaro points out. They consist of different sets of questions that are designed to enable one to make sure that the patient understands the information and the consequences of making a decision one way or the other, and is aware of the alternatives and their benefits and drawbacks, etc.
This researcher lists in his paper a series of guidelines for evaluating competence; such as the capacity criteria of Becky White (Georgetown University, Washington), the ACE guidelines of the University of Toronto, the MC-CAT of the University of Virginia, etc. The White guideline, for example, is conducted in the form of a semi-structured interview; it considers, on a range of scales, the capacity to be informed (for example, to recognise the importance of the details transmitted), cognitive and affective capacities (to argue the options and put them in order of importance), the taking of decisions (accepting and maintaining the chosen option), and the critical review of the process (telling someone about the chosen option and giving reasons). lvaro points out that in the daily clinical scenario the interview may suffice to determine capacity, as long as it is sufficiently structured for detecting the key aspects, and for this the guidelines are extremely helpful.
###
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Public release date: 16-Apr-2012[ | E-mail |
Share ] Contact: Amaia Portugal
a.portugal@elhuyar.com
34-943-363-040
Elhuyar Fundazioa
This is what Luis Carlos Alvaro of the University of the Basque Country says in the journal Neurologia
Luis Carlos lvaro, a clinical neurologist at the Hospital of Basurto (Bilbao) and lecturer at the University of the Basque Country (UPV/EHU), has had an article published on the capacity of patients with dementia to make decisions. It is entitled Competencia: conceptos generales y aplicacin en la demencia (Competence: general concepts and application in dementia), and has been published in the journal Neurologa.
lvaro is a member of the Health Care Ethics Committee at the above hospital, and this has influenced the motivation behind his paper. "It is about the interaction between a clinical pathology that is very common for us [neurologists] and the capacity to make decisions, and which has received much attention from committees on bioethics," he says. But that is not all, because this paper serves to assert the importance of neurologists when it comes to determining the extent to which dementia has damaged the patient's competence: "Owing to a tradition that we neurologists at least do not share, it is often the psychiatrists who assess competence in the case of dementias. This is an area in which we neurologists are in fact the ones who can contribute most, because it is our pathology. We know the patients and deal with them, and we are the most qualified when it comes to taking decisions of this kind."
Risk level
lvaro explains what we are talking about when we refer to competence: "It is about assessing the capacity to decide in any activity in daily life. Most of the decisions have to do with the patient's daily life: whether he or she wishes to be admitted to a nursing home, whether he or she wants to take a particular medication It is about deciding whether his or her mental capacity is sufficient to be able to take a decision of this kind." Something which, in the view of this author, is very complex, and in which no standardization has yet been reached on a universal agreement or on the tools, although there are several available: "It is not easy, because there are many kinds of decisions, and many stages of dementia, too."
As far as the stages are concerned, the article refers, among other things, to the so-called Drane table, which specifies the level of capacity that neurologists should demand of the patient (not just in cases of dementia), in terms of the risk involved in the decision to be taken. In other words, the more risks that are involved in accepting or rejecting a procedure, the greater the patient's competence has to be, and vice versa. For example, the capacity of a patient with meningitis has to be high if he or she wants to refuse to take antibiotics, since the consequences of such a decision may prove fatal. By contrast, such a degree of capacity is not required of a patient with dementia when what is being rejected is a cranial tomography, because the risks of not performing one are minimal.
Nevertheless, in connection with this matter, he points to certain practices in need of improvement from the bioethical perspective: as the patient does not normally reject the treatment, nor do there tend to be high risks in the event of doing so, the lack of competence passes unnoticed, and so there is little sensibility towards this incapacity. "The lack of power to decide in favour of a specific activity is very common, but as in most of them there are no consequences because they are minor matters, the alarm bells do not usually sound. But that does not exempt us from assessing them. We ought to assess them more and bear in mind that they depend on the level of decision required," says lvaro.
Guidelines for assessment
Nowadays, neurologists resort mainly to experience to assess whether the patient understands the information being transmitted to him or her and the consequences arising out of the decision he or she makes. As pointed out already, there is no standardization of the tools available, "but in any case they are always useful," as lvaro points out. They consist of different sets of questions that are designed to enable one to make sure that the patient understands the information and the consequences of making a decision one way or the other, and is aware of the alternatives and their benefits and drawbacks, etc.
This researcher lists in his paper a series of guidelines for evaluating competence; such as the capacity criteria of Becky White (Georgetown University, Washington), the ACE guidelines of the University of Toronto, the MC-CAT of the University of Virginia, etc. The White guideline, for example, is conducted in the form of a semi-structured interview; it considers, on a range of scales, the capacity to be informed (for example, to recognise the importance of the details transmitted), cognitive and affective capacities (to argue the options and put them in order of importance), the taking of decisions (accepting and maintaining the chosen option), and the critical review of the process (telling someone about the chosen option and giving reasons). lvaro points out that in the daily clinical scenario the interview may suffice to determine capacity, as long as it is sufficiently structured for detecting the key aspects, and for this the guidelines are extremely helpful.
###
[ | E-mail | Share ] ?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
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