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Acute stroke clinical care standard indicators: 5a-Separation on antihypertensive medication for haemorrhagic stroke

Identifying and definitional attributes

Metadata item type:Help on this termIndicator
Indicator type:Help on this termIndicator
Short name:Help on this termIndicator 5a-Separation on antihypertensive medication for haemorrhagic stroke
METeOR identifier:Help on this term627806
Registration status:Help on this termHealth, Candidate 14/03/2017
Description:Help on this term

Proportion of patients with a final diagnosis of haemorrhagic stroke on antihypertensive medication, where not contraindicated, on separation from hospital.

Rationale:Help on this term

Hypertension is the strongest modifiable risk factor for recurrent stroke, and the efficacy of antihypertensive medication to prevent stroke recurrence has been demonstrated (Lakhan & Sapko 2009).

Reduction in blood pressure, irrespective of initial blood pressure, has been shown to reduce the recurrence of stroke and combined vascular events including myocardial infarction (ACHS 2015).

Indicator set:Help on this termClinical care standard indicators: acute stroke Health, Candidate 14/03/2017
Outcome area:Help on this termMinimising risk of another stroke Health, Candidate 14/03/2017

Collection and usage attributes

Computation description:Help on this term

Both the numerator and the denominator include patients with a final diagnosis of haemorrhagic stroke.

The numerator requires evidence of prescription and administration of an antihypertensive agent prior to separation.

Both the numerator and the denominator exclude patients for whom antihypertensives are contraindicated (where the contraindication is clearly documented). Contraindications for antihypertensives may include:

  • symptomatic hypotension
  • patient refusal
  • where there are limitations of therapy (i.e. advance care directive is enacted and/or the patient is on a palliative care pathway).

Presented as a percentage.

Computation:Help on this term

(Numerator ÷ denominator) x 100

Numerator:Help on this term

Number of patients with a final diagnosis of haemorrhagic stroke on antihypertensive medication on separation from hospital.

Denominator:Help on this term

Number of patients with a final diagnosis of haemorrhagic stroke separated from hospital.

Comments:Help on this term

Note that this indicator is also relevant to ischaemic stroke. However, a more specific indicator for ischaemic stroke has been included in the Clinical care standard indicators: acute stroke indicator set.

Representational attributes

Representation class:Help on this termPercentage
Data type:Help on this termReal
Unit of measure:Help on this termEpisode
Format:Help on this term

N[NN]

Source and reference attributes

Submitting organisation:Help on this term

Australian Commission on Safety and Quality in Health Care

Reference documents:Help on this term

ACHS (Australian Council on Healthcare Standards) 2015. ACHS clinical indicator user manual 2015–Internal Medicine version 6. Sydney: ACHS

Lakhan SE & Sapko MT 2009. Blood pressure lowering treatment for preventing stroke recurrence: a systematic review and meta-analysis. Internal Archives of Medicine 2(1):30

Relational attributes

Related metadata references:Help on this term

See also Acute stroke clinical care standard indicators: 5b-Separation on statin, antihypertensive and antithrombotic medications for ischaemic stroke Health, Candidate 14/03/2017

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