Pain, Agitation, Delirium - Block 4 Flashcards
How long can someone be intubated?
14 days due to infection
What are causes of immediate pain?
- Catbolic hypermetabolism
- Increasing circulating catecholamines
- Insufficient sleep
- Suppression of natural killer cells
Causes of long term pain?
- Chronic pain
- Lower HRQoL
- Neuropathic pain
- PTSD
What are the types of pain evaluation tools?
ALert: numerical rating scale
Not alert: behavioral pain scale, Critical-Care Pain Observation Tool
What are you options for ICU pain?
- Opioids
- Non-opioids (APAP, Ketamine, Neuropathic analgesia)
- Anticonvulsants for neuropathic pain (gabapentin, pregabalin, carbemazepine)
Describe the tx for procedural pain managemetn?
- Opioids
- NSAIDs (discrete and infrequent procedures)
What medications should not be used for procedural pain management?
- Local analgesia
- NO
- Inhaled volatile anesthetics
What are the nonpharms for pain mnagemetn?
- Massage
- Music
- Cold packs
- Relaxation
What are key points to treat proceudral pain?
- Treat pain preemptively
- Recognize and treat pain promptly
- Involve patients and families in plan
- Reassess and adjust pain managemetn based on routine assessment
- Patient specific
- Universal analgesia
- Pain control alone may equal comfort
What are the causes of agitation?
- Alcohol withdrawal
- Delirium
- Hypoglycemia
- Hypotention
- Infection
- Pain
- TBI
- Withdrawal
Consequenses of agitation?
- Harm
- Interferes with monitoring
- Ventilator asynchrony
- increased oxygen consumption
- increased ICU length of stay
- increased risk of nosocomial infections
What are goals of sedation?
- Provide comfort by treating pain 1st
- Patient focused strategy
- Interdisciplinary planning and practice (SBT, SAT)
How do we determine if we should sedate a patient?
Riker Sedation-Agitation Scale (SAS)
Richmond Agitation-Sedation Scale (RASS)
What are the sx of oversedation?
- BRadycardia
- Coma
- Prolonged MV
- Prolonged LOS
- Infection
- Complications
- Increase diagnostic testing
- Inability to evaluate delirium
Sx of undersedation?
- Stress
- Ax
- Agitation
- Hypertension/tachy
- Hypoxia
- Patient recall
- Ischemia
What is the goal for sedation?
Target light sedation
How do we select the ideal sedative?
- Rapid onset
- Inexpensive
- No ddi
- Inactive/no metabolites
- Minimal respiratory depression
- No CV effect
- Independent of organ metabolism and elimination
Pharm for sedation?
- Analgesia frist
- Then, sedative next
How are CI from analgosedation?
- Alcohol withdrawal
- NMBA
- Refractory status epilepticus
Describe the tx options for sedation?
What are the desired effects for BZD?
- Sedation
- AMnesia
- Anticonvulsants
- Muscle relaxant
ADRs of BZDs?
- Hepatic metabolism
- Hypotension
- Accumulation & excessive sedation
- Propylene glycol toxicity
- Respiratory depression
- Withdrawal syndrome
- Use lower dose in elderly, HF, liver disease
What are the desired effects for propofol?
- Sedation
- Amnesia
- Rapid onset
- SHort duration
ADR of propofol?
- Hypotension
- Respiratory depression
- HyperTG
- Propofol related infusion syndrome
What are the desired effects for dexmedetomidine?
- Sedation
- Analgesia
- No respiratory depression
- Sympatholysis
ADR of dexmedetomidine?
- Bradycardia
- Hypotension
- Agitation and sympathetic rebound
- Expense
What is the desirable effects for esketamine?
- Sedation
- Analgesia
- Attenuates opioid tolerance
ADR of esketamine?
- HTN
- Tachycardia
- Emergence rx
What are the benefits of using NMBA?
- Increased O2
- Decreases ventilator associated injury
- Decreased mortality from ARDs
- Decrease barotrauma
What are the cons of NMBa?
- Anaphylaxis
- ICU acquired weakness
- Increased lung atelectasis
What are the types of NMBAs?
- Vecuronium
- Rocuronium
- Cisatracurioum
What are the ADRs of NMBAs?
- Corneal abrasion and keratitis
- Venous thromboembolism
- Decreased lymphatic flow
- Skin breakdown
- Peripheral muscle and diaphragmatic atrophy
- Peripheral nerve injury
How do we monitor NMBAs?
- Train of four peripheral nerve stimulation
- Indication
What is the difference between delirium and coma?
Delirium: arousable to voice
Coma: unarousable to voice
What arre the hyperactive subtypes of delirium?
- Agitation
- Restlessness
- Attempts to remove catheters
- Emotional lability
- Uncooperative
- Lack of orientation
What arre the hypoactive subtypes of delirium?
- Flat affect & withdrawal
- Apathy
- Lethargy
- Decrease alertness
- Slow speech
- Psychomotor retardation
What are the RF for delieumr?
- Older age
- BZD
- Opiates
- Propofol
What are the differential diagnosis of delirium?
Drugs
Eyes, ears, and other senses
Low O2
Infection
Retention
Ictal state
Underhydration/nutrition
Metabolic causes
Subdural hematoma
What are the major RF of delirium?
- High severity of illness (APACHE II)
- Alcohol use
- HTN
- Pre existing dementia
- Coma
How do we assess delirium using CAM-ICU?
How do you screen for delirium using ICDSC?
What are the screening tools for delirium?
- CAM-ICU
- ICDSC
How do we prevent delirum?
- Non-pharm
- Haloperidol and atypical antipsychotics are not recommended (-2C)
What is the tx for delirium?
- Non-pharm
- Atypical antipsychotics
What are non-pharms for delirium?
- Noise reduction
- Reorientation
- Cognitive stimulation activities
- ROM
- Timely removal of catheters & physical restraints
- Sensory assistance
- Dehydration correction
Antipsychotics used for delirium?
- Haloperidol (not recommended)
- Risperidone
- Olanzapine
- Quetiapine
- Ziprasidone
- Aripriprazole
Anitpsychotics that can lead to QT prolongation?
- Thioridazone
- ZIprasidone
What are the BZDs indicated for delirium?
- Lorazepam
- Clonazepam
- Temazepam
Drugs other than BZDs and Antipsychotics that treat delirium?
- Physostigmine
- Melatonin
- Ramelteon
Describe the components of Pain, Agitation, and Delirium Algorithm?
What is the ABCDEF Approach?
What is the role of pharmacist?
- Protocol development
- Protocol implementation
- Re-evaluation