General Anaesthesia Flashcards

1
Q

Definition of ga

A
  • A state of controlled unconsciousness during which you feel nothing
  • pharmological means of achieving pain control and behaviour management that enables dental treatment for children
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2
Q

Number of XGAs for U18s in 2016

A

43000

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3
Q

Why is there a need for GA

A
  • Combination of prevalence of disease and ability of children to cope with treatment
  • 31% of 5yos and 45% of 8yos have experience of decay
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4
Q

Socio-economic inequalities and decay link

A
  • Children from lower income fams twice as likely to have decay
  • More likely to experience toothache and report problems in their daily life caused by their oral health
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5
Q

Care pathway for GA

A
  • Referred child from a primary care setting
  • Assessment appointment
  • Hospital appointment/ special care hospital setting if mh complex/ other treatment form indicated eg ihs
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6
Q

What should a GDP do when referring pt for GA

A
  • discuss need for referral
  • make fam aware of risks associated with treatment
  • refer to a local ga service provider
  • clearly justify the need for ga
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7
Q

When should u consider la+/- ihs for children

A
  • Cooperate children
  • Routin conservation
  • Single extractions
  • Preference of child/patient
  • Preferable in certain medical conditions
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8
Q

what should assessment of ga patient entail and who should do it

A
  • Ideally a paeds specialist
  • Assessment, diagnosis, tx plan, management of children
  • trained and experienced in behavioural management of children including conscious sedation
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9
Q

What general considerations should be taken into account

A
  • Co-operative ability of child
  • Perceived anxiety and how child has responded to similar procedures
  • degree of surgical trauma anticipated
  • complexity of the operative procedure
  • medical status of child
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10
Q

2 main indications for ga

A
  • The child is too young, too anxious or uncooperative to accept treatment by any other means
  • Surgeon needs the guarantee of a completely still patient usually because the planned procedure is complex
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11
Q

all the indications for ga

A
  • no cooperation
  • very young children
  • anticipated distress from la (based on past experience)
  • multiple extractions
  • surgical extractions
  • preference of child/parent
  • preferable in certain medical conditions
  • extensive treatment
  • difficult or complex dental treatment
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12
Q

Contraindications of ga and extenuating circumstances of these contras

A

The following circumstances rarely justify GA

  • Carious, asymptomatic teeth with no clinical or radiographic signs of sepsis
  • Orthodontic extraction of sound permanent premolar tooth in a healthy child
  • Patient/carer preference, except where other techniques have already been tried

However, extenuating circumstances that override the above limitations include:

  • physical, emotional, learning impairments or combinations of two or more of these
  • children who have attempted treatment using la alone or la with ihs and still unable to cooperate
  • medical problems which are better controlled with the use of ga
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13
Q

Examples of treatment that may require ga

A
  • Severe pulpitis
  • Sub mandibular abscess
  • Dento-alveolar surgery
  • Multiple XGAs in under 5s
  • symptomatic teeth causing pain in. more than 2 quadrants
  • symptomatic teeth where bilateral idb maybe needed
  • Ankylosis extractions
  • Extraction of FPMs
  • Biopsy
  • Debridement and suturing
  • Full mouth rehabilitation
  • EUA (special needs children)
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14
Q

Minor risks of GA

A
  • Pain
  • Headache
  • Sore throat
  • Sore nose
  • Nausea
  • Vomiting
  • Upset stomach
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15
Q

What risks do you have to inform the patient

A
  • Minor risks
  • Risks of procedure (eg extraction consent
  • Major risks
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16
Q

How likely is death from GA

A
  • Less than 1 in 100,000

- 1 child in 10,000 develop serious allergic reaction

17
Q

What should be included in consent form and what type of consent

A
  • Verbal and written consent
  • Informed consent
  • Tx plan, benefits and risks
  • Alternative tx options
  • Process of GA, side effects and complications
  • Pre op fasting, appropriate escorts, suitable transport home, post op care and analgesia
18
Q

who can consent for tx

A
  • Childs mother
  • childs father if married to the mother at birth
  • Unmarried fathers with parental responsibility
19
Q

Where should child ga taken place

A
  • Always in a hospital setting

- Ideally paediatric environment

20
Q

What is a day case

A
  • Child not kept overnight

- Goes home after normal bodily functions are restored

21
Q

types of ga

A

Open airway

Laryngeal mask

Intubation

22
Q

What are the types of ga and pros/cons

A

Open airway (NAMI)

Laryngeal mask

  • Not good for long procedures
  • Prone to dislodgement

Intubation

  • Oral or nasal
  • Nasal better for dentistry
23
Q

What form of ga would u use in a short procedure eg. xls of a single tooth in young child

A

McKesson nasal mask

  • Leaves mouth free for access
  • Airway left open and gauze used to protect
  • Short procedures only
24
Q

What form of ga would u use for multiple xlas or small and simple surgical procedure

A

Laryngeal mask

  • Sits over vocal chords
  • Not in trachea
  • Limited access
  • Easily dislodgement
  • Not good if super long tx
25
Q

What would u use for long complex tx

A
  • Oral or nasal tube
  • Robust airway is required
  • Complex surgical procedure
  • Greater access if nasal tube but perhaps link with post op nasal bleeds
26
Q

What should u check on the day

A
  • Check fasting
  • Go for a piss
  • Rx available
  • Special test results available
  • Patient and guardian present for consent and recovery
27
Q

What needs to be checked during discharge/recovery

A
  • Monitor pulse, oxygen levels, BP, ECG
  • Can walk without feeling faint
  • Orientated in time and space
  • Not dehydratted
  • Can drink
  • Haemostasis
  • Written instruction to parents
  • Review arranged
28
Q

what should post op instructions cover

A
  • analgesia
  • post op nausea and vomiting
  • residual effects of ga
  • bleeding
  • mouth care
  • details of sutures in situ
  • eating
  • return to school or normal activities
  • lines of communication in the event of post operative problems
  • prevention of caries