Page 87 - Portuguese Journal - SPORL - Vol 61. Nº2
P. 87

in the head and neck anatomy, as well as in       Screening and Clinical Assessment
          several neural and muscular mechanisms,           Screening should be performed by a
          causing a loss of the functional reserve that     healthcare professional to identify patients
          can affect swallowing. However, swallowing in     at risk of dysphagia, along with referral to
          healthy older adults is not necessarily hindered;   a multidisciplinary team that can conduct
          when these changes do not compromise              a   clinical/functional   and    instrumental
          safe  swallowing,  the  phenomenon  is  called    assessment.     Notably,    screening     only
          presbyphagia  .  Nevertheless,  it  is  difficult   identifies  the  disease  and  does  not  provide
                         18
          to establish the difference between what is       information  on  the  severity  of  dysphagia  or
          deemed physiological swallowing in older          its best treatment. All patients with probable
          people and the state in which these changes       or  previously  confirmed  dysphagia  (positive
          represent a disorder or dysfunction.              screening results) should be considered
                                                            for clinical evaluation of swallowing by a
          Consequences of Dysphagia for Health              speech therapist, which entails a thorough
          Aspiration   with   subsequent     aspiration     clinical history, an evaluation of oral and
          pneumonia, malnutrition, and dehydration          motor function, and an assessment of the
          caused by a decrease in the ingestion of foods    ability to ingest food. A clinical evaluation of
          and liquids can result in reduced quality of life   these  patients  can  help  confirm  dysphagia,
          and increased risk of mortality.                  determine its severity, and select the best
          a. Aspiration pneumonia                           management approach, be it an instrumental
           Aspiration pneumonia occurs predominant-         and/or individualized/personalized treatment.
           ly in older patients with a history of swal-     Thus,  the assessment of  swallowing requires
           lowing disorder. It accounts for 6–53% of all    a three-step process: screening (to identify
           pneumonias, depending on the definition of       the presence of dysphagia); clinical evaluation
           aspiration pneumonia and the study. Several      (to validate the presence of dysphagia and
           studies indicate that 5–15% of all community-    determine the best intervention); instrumental
           acquired pneumonias are aspiration pneu-         evaluation.   Unlike    clinical   evaluation,
           monias  . Many authors have reported that        instrumental evaluation is not necessary in all
                   17
           patients with aspiration pneumonia were          cases and can be restricted to patients with
           mostly older adults and had more severe          OPD or esophageal dysphagia .
                                                                                          19
           disease and comorbidities than those with
           non-aspiration pneumonia.                        Instrumental evaluation
          b. Malnutrition and dehydration                   Study of Swallowing by Videofluoroscopy
           In  older adults,  the ingestion of foods  and   Videofluoroscopy  (VFC)  is  the  traditional
           liquids is often reduced as a consequence of     gold standard for the diagnosis of OPD.
           age-related changes such as anorexia of ag-      VFC is a dynamic study that assesses the
           ing, chewing problems, or cognitive decline.     safety and efficacy of swallowing. It precisely
           Moreover, the loss of autonomy associated        measures the phases of swallowing and
           with the presence of neurological diseases       allows the selection  and  assessment  of
           in older adults increases the risk of malnutri-  specific  therapeutic  strategies.  The  main
                                 8
           tion and dehydration  .                          videofluoroscopic  signs  of  dysphagia  are
                                                            bolus  penetration  and  aspiration,  delayed  or
          Nutritional and/or therapeutic interventions      lack of coordination during the swallowing
          are necessary to avoid or reduce these serious    reflex,  deficient  preparation  and  propulsion,
          outcomes, the main objective being the            ineffective swallowing or presence of residues,
          provision of adequate amounts of energy and       and dysfunctional opening of the UES  .
                                                                                                   20
          nutrients to minimize the risk of malnutrition    Additionally,  VFC  contributes  significantly  to
          and dehydration.                                  the treatment of OPD by allowing the triage



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