The Pathophysiology And Management Of Hemorrhagic Stroke
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1. The document discusses the pathophysiology and management of hemorrhagic stroke, specifically intracerebral hemorrhage (ICH). ICH is more common and more lethal than subarachnoid hemorrhage. 2. Risk factors for ICH include increasing age, hypertension, male gender, and alcohol use. CT scan is used to diagnose ICH. Management involves airway protection, blood pressure control, intracranial pressure monitoring, and seizure prophylaxis. 3. Treatment goals are to maintain blood pressure below 130 mmHg, intracranial pressure below 20 mmHg, and cerebral perfusion pressure above 70 mmHg. Surgical evacuation may be considered depending on hemor
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- Stroke occurs every 5 seconds worldwide and is a leading cause of death and disability globally. Incidence and prevalence varies significantly between countries and regions.
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Presentacion general
Prof. Blanca de Lima
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- 19. Titrate from 0.05–0.2 µg · kg -1 · min -1 Norepinephrine 2–20 µg · kg -1 · min -1 Dopamine 2–10 µg · kg -1 · min -1 Phenylephrine Volume replenishment is the first line of approach. Isotonic saline or colloids can be used and monitored with central venous pressure or pulmonary artery wedge pressure. If hypotension persists after correction of volume deficit, continuous infusions of pressors should be considered, particularly for low systolic blood pressure such as <90 mm Hg. Low blood pressure 4. If ICP monitoring is available, cerebral perfusion pressure should be kept at >70 mm Hg. 3. If systolic BP is <180 mm Hg and diastolic BP <105 mm Hg, defer antihypertensive therapy. Choice of medication depends on other medical contraindications (eg, avoid labetalol in patients with asthma). 2. If systolic BP is 180 to 230 mm Hg, diastolic BP 105 to 140 mm Hg, or mean arterial BP 130 mm Hg on 2 readings 20 minutes apart, institute intravenous labetalol, esmolol, enalapril, or other smaller doses of easily titratable intravenous medications such as diltiazem, lisinopril, or verapamil. 1. If systolic BP is >230 mm Hg or diastolic BP >140 mm Hg on 2 readings 5 minutes apart, institute nitroprusside. 0.625–1.2 mg Q 6 h as needed Enalapril 10–20 mg Q 4–6 h Hydralazine 0.5–10 µg · kg -1 · min -1 Nitroprusside 500 µg/kg as a load; maintenance use, 50–200 µg · kg -1 · min -1 Esmolol 5–100 mg/h by intermittent bolus doses of 10–40 mg or continuous drip (2–8 mg/min) Labetalol Elevated blood pressure
- 52. Summary of Guidelines for Removal of ICH American Heart Association : Guidelines for the Management of Spontaneous Intracerebral Hemorrhage, 1998 Best therapy unclear Young patients with a moderate or large lobar hemorrhage who are clinically deteriorating (levels of evidence II through V, grade B recommendation). 3. ICH associated with a structural lesion such as an aneurysm, arteriovenous malformation, or cavernous angioma may be removed if the patient has a chance for a good outcome and the structural vascular lesion is surgically accessible (levels of evidence III through V, grade C recommendation). 2. Patients with cerebellar hemorrhage >3 cm who are neurologically deteriorating or who have brain stem compression and hydrocephalus from ventricular obstruction should have surgical removal of the hemorrhage as soon as possible (levels of evidence III through V, grade C recommendation). 1. Surgical candidates Patients with a GCS score 4 (levels of evidence II through V, grade B recommendation). However, patients with a GCS score 4 who have a cerebellar hemorrhage with brain stem compression may still be candidates for lifesaving surgery in certain clinical situations. 2. Patients with small hemorrhages (<10 cm 3 ) or minimal neurological deficits (levels of evidence II through V, grade B recommendation). 1. Nonsurgical candidates
- 70. ICH Evaluation and Treatment
- 74. Supported by Levels III through V evidence Grade C Supported by Level II evidence Grade B Supported by Level I evidence Grade A Strength of recommendation Data from anecdotal case series Level V Data from nonrandomized cohort studies using historical controls Level IV Data from nonrandomized concurrent cohort studies Level III Data from randomized trials with high false-positive ( ) or high false-negative (ß) errors Level II Data from randomized trials with low false-positive ( ) and low false-negative (ß) errors Level I Level of evidence
- 75. Thank You