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A Patient with Intellectual Disability (Id) in a Medical Consultation

In general

  • According to the ICD-10 classification of diseases provided by the WHO, mental retardation (F70-F79), or intellectual disability (ID), is a condition of arrested or incomplete development of the mind diagnosed during the person's developmental years. The diagnosis warrants an assessment of the person's intellectual skills and social adaptation before the age of 18. The need for support may vary from total care to occasional help.
  • Additional problems are common: neuropsychiatric symptoms (difficulties of attention, executive functions, memory, motor functions, perception), speech and language disturbances, special problems with hearing and sight, cerebral palsy, epilepsy, disturbances of mental health and behaviour, autism.

Communication with a person with ID

Making the acquaintance

  • Making contact with the patient may be time consuming. Communication becomes easier after the trust of the patient has been gained.
  • A close relationship with the family is also important Appointment with the Family of a Neurologically Impaired and Disabled Child.
  • Talking about a favourite hobby is often a good starting point.
  • Talk to the patient in a clear manner and as you would to another person of the same age - a person with an ID does not remain a child for the rest of his/her life!
  • Discuss one thing at a time.

History taking

  • Reliable history taking is difficult due to communication problems and limited understanding.
    • Who is responsible for bringing the patient to the appointment, who is the most worried?
    • A person with an ID may experience symptoms differently from others, and his/her ability to localise symptoms may also be impaired.
  • Listen to the patient him-/herself. What is his/her understanding concerning the visit to the doctor? Is the patient aware of his/her own body and is he/she able to describe symptoms? If the patient is frightened of being touched, point to a corresponding place in your own body.
  • The patient may answer to questions (e.g. "do you have pain in the stomach?") in a way that he/she expects they should be answered.
  • Listen carefully to the accompanying person, ask for additional information and, if necessary, phone other family members.
  • Pictures and sign language signs, for example, can be used as forms of augmentative and alternative communication. In some cases, the use of an interpreter may be considered.
  • Obtain the necessary background information from the hospital and from special services for persons with intellectual disabilities.

Examination and guidance of a patient with ID

  • In unclear cases, a thorough physical examination is warranted.
    • In one case, the patient had become apathetic and the reason was found to be ingrown toenails.
    • In another case, an autistic boy appeared to be very distressed. His condition was not alleviated with medication, and he was found to have half of a nut lodged in his ear, the removal of which exposed a large collection of pus.
  • Non-urgent medical procedures may be carried out successfully after some practice (i.e. repeat visits).
  • Support the patient's autonomy. Ask the patient who he/she would like to accompany him/her. If necessary, premedication may be administered, for example oral diazepam 5 to 10 mg to an adult patient. The response to benzodiazepines may be paradoxical. Find out about earlier experiences and record your own observations about drug responses.
  • Ensure that the patient has understood your instructions. Ask the patient to repeat in his/her own words what the instructions were. Clear treatment instructions should be given in a written form to the patient, to the family members and to the staff at any appropriate day care facility. A prescription must include clear instructions and the purpose of the medication.
  • Scarcity of speech or communication may lead to the underestimation of the patient's powers of understanding. All essential matters should still be explained clearly.
  • In some cases, a patient with an ID appears to understand all that is said. In such a case, there is a danger that some complicated matters remain unclear.
  • Give positive, appropriate and realistic feedback. It will make things easier the next time.

Compulsory care

  • Consider the locally relevant legislation, other regulations and policies, if holding the patient down is necessary in order to examine or treat the patient.
  • For example, if a patient who is not capable of making his/her own treatment decisions objects to the provision of health care, it may be possible to provide medically necessary care for him/her by a physician or, according to a physician's instructions, by another health professional working in the unit irrespective of the patient's objection, if leaving the patient untreated would seriously endanger his/her health.
  • Find out about locally relevant statutory requirements and available professional guidance.

Special problems

Down syndrome

Epilepsy

  • Epilepsy in children: see Epilepsy in Children; epilepsy in adults: see Treatment of Epilepsy in Adults.
  • There is no need to routinely follow up the blood concentrations of antiepileptic drugs, if the situation concerning seizures is stable and the medication has not been changed.
    • In problematic cases consult with an epilepsy specialist.

Problems with sight and hearing

Behavioural and mental health problems

Autism

Pain

  • The localisation of pain may be difficult, particularly in a patient with multiple disabilities and poor communication skills. Pain often manifests itself only as irritability or restlessness.
  • The following should also be borne in mind: hip dislocation (complete or partial), fractures, gastro-oesophageal reflux, ulcer, dental problems and sinusitis.

Risk of polypharmacy

  • A patient with an ID will not talk about adverse effects.
  • The patient may take a multitude of drugs that affect the central nervous system: antiepileptic drugs, antipsychotic drugs and many more: all medication must be carefully charted.
  • Drugs with central nervous system activity should only be prescribed when clearly indicated.
  • Assess the true need of drugs and the possibility to taper some of them.

Oral hygiene

  • Antipsychotic and some other drugs may dry the mouth. Effective daily cleaning of teeth is not always possible, and intensified care may be needed.
  • Gingivitis is common.

Nutrition

  • Nutritional state: undernutrition and obesity are both common. The patient may benefit from a referral to a dietitian.

Gastrointestinal tract

  • Gastro-oesophageal reflux and constipation (lack of exercise, antipsychotic drugs) are common.
  • Sialorrhoea is difficult to manage with medication. Injections of botulinum toxin into the salivary glands may improve the condition for some months.

Prevention of pregnancy

  • Access to intimate personal relationships, including sexual relationships, is a basic human right.
  • The patient is not always able, or does not have the courage, to ask about contraceptive precautions.
  • Comprehension of one's own capabilities as a parent may be unrealistic.
  • Consider whether the patient will be able to take contraceptive pills regularly. Intellectual disability is not an indication for sterilisation.

Pharmacological prevention of menstruation

  • If menstrual hygiene poses a problem, lynestrenol is often used for the prevention of menstruation.
  • Hormone releasing IUD is a good alternative in reducing menstrual bleeding.
  • Therapeutic amenorrhoea also provides means for contraception.

Assessing the overall situation

  • A person with an ID will need comprehensive input as regards rehabilitation and general support during everyday life. It is important to clarify the issue of overall responsibility for the patient - who, where and when? Professionals with expertise in developmental disabilities may often be of assistance.
    • Is the monitoring of epilepsy and other comorbidities properly arranged?
    • Are there orthopaedic problems? Is it possible to improve mobilisation, slow down the development of rigidity, alleviate pain or facilitate care by physiotherapy, physical aids or surgery? The patient may require an assessment by a physiotherapist or an orthopaedic surgeon.
    • How does the patient cope with daily activities, does he/she need physical aids? An assessment by a physiotherapist or occupational therapist may be indicated.
    • How well does the patient communicate, i.e. can the patient make himself/herself understood, does he/she understand others, would the patient benefit from alternative communication methods? An assessment by a speech therapist may be indicated.
    • What is the daily routine of the patient? A child's day care or school? Is the patient engaged in activities that take place outside the family and home surroundings?
    • Are there possibilities for regular exercise?
    • What is the patient's social life, i.e. friends, hobbies, recreational activities?
    • Place of employment, sheltered employment, education, further education?
    • What is the position of the person with an ID who lives at home within the family unit?
    • Does the person with an ID living alone or in group accommodation receive sufficient support?
    • Social services input: is the patient in receipt of all the benefits he/she is entitled to? An assessment by a social worker may be indicated.
    • Is the aetiology of the intellectual disability known? Determining the aetiology of the intellectual disability using modern investigation methods is a major task - discuss the matter. A letter or phone call to a colleague in specialist care is a good starting point.

When to ask for specialist input

  • The input from a specialist in developmental disabilities should be sought particularly in the following situations:
    • when delivering initial information and support after birth
    • when initiating and monitoring rehabilitative measures
    • when choosing the type of schooling
    • when completing compulsory schooling, planning of further education
    • when choosing the type of residence, employment or daytime activity
    • in behavioural and mental problems
    • when a worsening of the functional capacity is noted.
  • It is important that a general practitioner, who meets patients with intellectual disability in his/her practice, is regularly updated by the specialist care services in order to know what facilities are locally available for his/her patients.