Page 87 - AN-4-2
P. 87

Advanced Neurology                                                         Alzheimer’s disease disclosure



            behavior, such as  pre-diagnostic counseling, establishing   Our previous report addressed the following issues:
                                                                                                             2
            patient preferences for disclosure, integrating family   Should a diagnosis of AD be  disclosed to the patient?
            members, reducing the gap between the information to be   When and how? What are the consequences for the patient
            disclosed and patient beliefs and expectations, “speaking   and family of such a revelation? Should it be presented as a
            the patient’s language,” avoiding the use of medical jargon,   certified diagnosis? Should the important role of cognitive
            including information on prognosis as well as diagnosis   reserve in disease prognosis be explained?
            beyond simply naming the disease, recognizing that the   Cognitive reserve (CR) may protect patients against
            patient may find it difficult to understand the meaning   cognitive decline even in the presence of neuropathology. It
            and consequence of dementia, fostering a sense of hope   is based on the concept that socio-behavioral factors, such
            by emphasizing preserved abilities and skills, and avoiding   as education, intellectually engaging occupations, and other
            excess disability by unnecessarily curtailing social activities,   activities, facilitate the development of neuronal networks
            all may help patients adjust to the diagnosis. 5,6  that  preserve  cognitive  function,  even  if  AD  biomarkers
              The inclusion of the subjective dimension in disease   point to progressing neuropathology. CR may regulate
            should  not be  overlooked. Traditional medical teaching   the cause-effect relationship between neuropathology and
            has taught us that “there are no diseases but patients,”   cognitive decline. A higher CR may result in a strengthened
            thereby emphasizing the singularity of patients undergoing   cognitive  performance  against  AD  dementia  progression.
            different disease processes and evolutions.        Although the measurement of CR has been controversial,
                                                               there is evidence that higher CR associates with a lower
              Before the introduction of diagnostic biological markers,   relative risk of mild cognitive impairment (MCI) or dementia
            many patients with AD did not show enough biological   progression above and beyond biomarkers, showing that
            changes to account for  their cognitive  symptoms.    CR delays the onset of MCI and dementia in the presence
                                                         7,8
            Although the current paradigm requires diagnostic   of AD neuropathology and, subsequently, provides potential
            confirmation with biological markers in the presence of   targets for preventive interventions. 19-21  These data show that
            cognitive decline,  there is evidence that 30 – 50% of elderly   the concept of CR has by now been widely developed and
                          9
            adults who meet the neuropathological diagnostic criteria   recognized, and though it may not yet be commonly applied
            for AD do not have dementia.  Consequently, the clinical   in everyday clinical practice, whether because of lack of
                                   8,10
            features of such a decline should also be contemplated, as   appropriate measuring techniques, or because patients’
            they may be due to alternative causes other than AD. 3,4,11,12  histories do not include relevant premorbid information to
              However, if the detection of an amyloid or Tau biomarker   draw upon as a resource, it should be carefully addressed
            in cerebrospinal fluid, blood, or positron emission   and explained to patients and families to identify possible
            tomography (PET) is followed by prompt communication   therapeutic enhancement strategies.
            of AD to the patient and family without due consideration   Regarding diagnostic communication,  an interesting
                                                                                                17
            of its psychological consequences, the use of such an   point of view has been proposed by Robles  et al. 22,p.166 :
            emotionally charged term may introduce a turning point   “Diagnostic disclosure should avoid upsetting the patient’s
            that the patient will be unconsciously conditioned to   and family’s life. In other words caution is called for,
            address. 11,13  In addition, the uncertain predictive value of a   especially when it is solely based on an isolated memory
            biomarker-based diagnosis without full certainty whether   loss.  The term ‘Alzheimer’  evokes strong  emotional
            or when they will develop further symptomatic decline is   associations, beyond the rational, that can generate sudden
            another potential cause of disclosure anxiety. 12,14,15  unfortunate changes in mood and behavior.” 1,17,18,22
              As a result, the patient may experience worsening memory   Herein we share three cases dealing with the regrettable
            and cognitive symptoms, even in the absence of biological   consequences of improper diagnostic disclosure for
            evidence, and this phenomenon increases with time, as only   patients and families, further underlining the need of a
            symptoms that support the deficit are taken into account.   revised approach on the appropriate communication of
            Psychological approaches suggest that people tend to build up   an AD diagnosis. Our cases were selected according to the
            specific biases of themselves and others on the basis of limited   diagnostic approach adopted by the professionals involved
            or misunderstood information.  In other words, people tend   and included if we deemed it contrary to the Principles of
                                    7
            to construct their own theories of disease, thereby biasing   Biomedical Ethics as defined by Beauchamp and Childress. 23
            information and emphasizing features that support the
            diagnosis. Addressing these powerful unconscious processes   2. Case 1
            is essential to an adequate understanding of the cognitive and   G.H., a 72-year-old female patient, consulted her treating
            behavioral features of patients and relatives. 11,16-18  physician on memory symptoms. He recommended her


            Volume 4 Issue 2 (2025)                         81                               doi: 10.36922/an.4393
   82   83   84   85   86   87   88   89   90   91   92