Ischemic stroke medical therapy
Ischemic Stroke Microchapters |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Aysha Anwar, M.B.B.S[2]
Overview
The medical therapy of ischemic stroke is mainly directed to fibrinolysis of clot by r-tPA with in 3 to 4.5 hours of symptom onset. Acute treatment with antiplatelets may have a role if given within 24-48 hours of stroke onset. Long term management with statins, antiplatelets, anticoagulants, antihypertensive and antidiabetic agents may help prevent the recurrence.[1] Acute treatment to control blood pressure, blood glucose and fever may help prevent the complications and have a prognostic significance.
Medical Therapy
- The reported cases of treatment for COVID-19-associated stroke have followed the same guidelines as patients with no COVID-19 infection. The following recommendations are mainly based on the current guidelines of management for stroke of the AHA 2019.
- IV alteplase is always preferred over mechanical thrombectomy when there are no contraindications.[2]
- The usefulness of anticoagulants such as thrombin inhibitors (dabigatran) and factor Xa inhibitors (rivaroxaban, apixaban, edoxaban) is not well established in the acute setting of stroke.[3]
- The use of thrombolysis via ultrasound waves concomitant to IV fibrinolysis is not recommended.[4]
- High-intensity statin therapy should be initiated in patients younger than 75 with clinical ASCVD, to achieving a reduction in LDL-C levels of at least 50%.
- In patients older than 75 years of age with clinical ASCVD, it is reasonable to initiate moderate or high-intensity statin therapy after reviewing adverse effects and drug interactions.[5][6]
- Risk and beneffits should be discussed before initiation of statin therapy to weight ASCVD risk reduction against the potential for statin-associated side effects.[5]
- Continuation of statin therapy during the acute period of ischemic stroke is reasonable among patients already taking statins.
Alteplase
- IV alteplase is recommended for selected patients who can be treated within 3-4.5 hours of ischemic stroke symptom onset or patient last known well or at baseline state.[7][5][8]
- The dose of IV alteplase is 0.9 mg/kg (maximum dose 90 mg) over 60 min, with 10% of the dose given as a bolus over 1 min.[5]
- IV alteplase should be initiated as soon as possible, having been demonstrated better outcomes the sooner is administered.[5]
- Hyperglycemia should be treated during the first 24 hours after ischemic stroke, to achieve values of 140 to 180 mg/dL.[5]
- IV alteplase may cause bleeding and angioedema.[5]
- Glycoprotein IIb/IIIa inhibitors (tirofiban, apiximab, eptifibatide) should not be coadministered with IV alteplase.[5][9]
- IV alteplase may be used in patients under warfarin if the INR is lower than 1.7.[5]
- IV alteplase should not be administered to patients who have received a full dose of low-molecular-weight heparin within the previous 24 hours (including prophylactic doses).[5][10]
- Blood pressure should be sustained lower than 180/105 mmHg the first 24 hours after IV alteplase administration. Intensive lowering has been shown to be safe.[5][11]
- In case of intracranial bleeding due to alteplase administration, alteplase should be suspended, blood draws should be taken (CBC, coagulation studies), tranexamic acid should be administered (1000 mg IV infused over 10 min), and a subsecuent non-contratested CT scan of the head taken.[12]
- The use of IV alteplase should be used cautiously in patients who undergone a major surgery in the past 2 weeks.[5]
- IV alteplase for ischemic stroke is contraindicated in patients with a severe head trauma or subarachnoid hemorrage in the preceding 3 months.[5]
Tenecteplase
- Tenecteplase may be useful in patients with minor neurological impairment.[13]
- The dose of tenecteplase is a single IV bolus of 0.25-mg/kg (maximum 25 mg).[14]
Antiplatelet therapy
- Administration of aspirin is recommended in patients with AIS within 24 to 48 hours after onset. For those treated with IV alteplase, aspirin administration is generally delayed until 24 hours later.[15]
- The dose of aspirin is usually between 160-300mg daily.[16]
- IV aspirin administration within 90 minutes after the start of IV alteplase is associated with symptomatic intracranial hemorrhage, for which co administration is discouraged but benefits should be assessed in each individual case.[5][17]
- Dual antiplatelet therapy with aspirin and clopidogrel (75 mg/d, with a loading dose of 600mg) may be started within 24 hours after symptom onset and continued for 21 days in patients with no cardioembolic ischemic stroke.[18]
- Aspirin should not substitute IV alteplase or mechanical thrombectomy in patients eligible for these therapies.[5]
Medical treatment | Drug class | Recommendations | |
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Acute | Long-Term | ||
Reperfusion therapy | Tissue plasminogen activator (t-PA) |
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Antithrombotic agents | Antiplatelet agents |
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Anticoagulants |
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Antilipid therapy | Statins |
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Antihypertensive therapy | Intravenous antihypertensives |
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Oral antihypertensive therapy |
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Antihyperglycemic agents | Insulin |
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Guidelines for the Early Management of Patients With Acute Ischemic Stroke: 2019 Update to the 2018 Guidelines for the Early Management of Acute Ischemic Stroke: A Guideline for Healthcare Professionals From the American Heart Association/American Stroke Association[27]
IV Alteplase Eligibility
Class I |
1. Administration of IV alteplase in eligible patients without first obtaining MRI to exclude cerebral microbleeds (CMBs) is recommended(Level of Evidence: B-NR) |
2.In patients eligible for IV alteplase, because benefit of therapy is time dependent, treatment should be initiated as quickly as possible and not delayed for additional multimodal neuroimaging, such as CT and MRI perfusion imaging.(Level of Evidence: B-NR) |
Class IIa |
1. In patients with AIS who awake with stroke symptoms or have unclear time of onset > 4.5 hours from last known well or at baseline state, MRI to identify diffusion-positive FLAIR-negative lesions can be useful for selecting those who can benefit from IV alteplase administration within 4.5 hours of stroke symptom recognition.(Level of Evidence: B-R) |
2021 Guideline for the Prevention of Stroke in Patients With Stroke and Transient Ischemic Attack: A Guideline From the American Heart Association/American Stroke Association[28]
Recommendations for Intracranial Large Artery Atherosclerosis Referenced studies that support recommendations are summarized in online Data Supplements 20-27
Antithrombotic therapy
Class I |
1. In patients with a stroke or TIA caused by 50% to 99% stenosis of a major intracranial artery, aspirin 325 mg/d is recommended in preference to warfarin to reduce the risk of recurrent ischemic stroke and vascular death.(Level of Evidence: B-R) |
Class IIa |
2. In patients with recent stroke or TIA (within 30 days) attributable to severe stenosis (70%–99%) of a major intracranial artery, the addition of clopidogrel 75 mg/d to aspirin for up to 90 days is reasonable to further reduce recurrent stroke risk(Level of Evidence: B-NR) |
Class IIb |
3. In patients with recent (within 24 hours) minor stroke or high-risk TIA and concomitant ipsilateral >30% stenosis of a major intracranial artery, the addition of ticagrelor 90 mg twice a day to aspirin for up to 30 days might be considered to further reduce recurrent stroke risk.(Level of Evidence: B-NR)
4. In patients with stroke or TIA attributable to 50% to 99% stenosis of a major intracranial artery, the addition of cilostazol 200 mg/day to aspirin or clopidogrel might be considered to reduce recurrent stroke risk(Level of Evidence: C-LD) 5. In patients with stroke or TIA attributable to 50% to 99% stenosis of a major intracranial artery, the usefulness of clopidogrel alone, the combination of aspirin and dipyridamole, ticagrelor alone, or cilostazol alone for secondary stroke prevention is not well established.(Level of Evidence: C-EO) |
Risk Factor Management
Class I |
6. In patients with a stroke or TIA attributable to 50% to 99% stenosis of a major intracranial artery, maintenance of SBP below 140 mm Hg, high-intensity statin therapy, and at least moderate physical activity are recommended to prevent recurrent stroke and vascular events.(Level of Evidence: B-NR) |
Angioplasty and Stenting
Class IIb |
7. In patients with severe stenosis (70%-99%) of a major intracranial artery and actively progressing symptoms or recurrent TIA or stroke after institution of aspirin and clopidogrel therapy, achievement of SBP <140 mm Hg, and high- intensity statin therapy (so-called medical failures), the usefulness of angioplasty alone or stent placement to prevent ischemic stroke in the territory of the stenotic artery is unknown.(Level of Evidence: C-LD) |
Recommendations for Extracranial Carotid Stenosis Referenced studies that support recommendations are summarized in online Data Supplement 28
Class I |
3. In patients with carotid artery stenosis and a TIA or stroke, intensive medical therapy, with antiplatelet therapy, lipid-lowering therapy, and treatment of hypertension, is recommended to reduce stroke risk(Level of Evidence: A) |
Recommendations for Extracranial Vertebral Artery Stenosis Referenced studies that support recommendations are summarized in online Data Supplement 28
Class I |
1. In patients with recently symptomatic extracranial vertebral artery stenosis, intensive medical therapy (antiplatelet therapy, lipid lowering, BP control) is recommended to reduce stroke risk.(Level of Evidence: A) |
Recommendations for Aortic Arch Atherosclerosis Referenced studies that support recommendations are summarized in online Data Supplement 29
Class I |
1. In patients with a stroke or TIA and evidence of an aortic arch atheroma, intensive lipid management to an LDL cholesterol target <70 mg/dL is recommended to prevent recur-rent stroke(Level of Evidence: B-R)
2. In patients with a stroke or TIA and evidence of an aortic arch atheroma, antiplatelet therapy is recommended to prevent recurrent stroke.(Level of Evidence: C-LD) |
Recommendations for Moyamoya Disease Referenced studies that support recommendations are summarized in online Data Supplement 30
Class IIa |
1. In patients with moyamoya disease and a history of ischemic stroke or TIA, surgical revascularization with direct or indirect extracranial-intracranial bypass can be beneficial for the prevention of ischemic stroke or TIA(Level of Evidence: C-LD) |
Class IIb |
2. In patients with moyamoya disease and a history of ischemic stroke or TIA, the use of anti-platelet therapy, typically aspirin monotherapy, for the prevention of ischemic stroke or TIA may be reasonable.(Level of Evidence: C-LD) |
Recommendation for Small Vessel Stroke Referenced studies that support the recommendation are summarized in online Data Supplement 31
Class IIb |
1.In patients with ischemic stroke related to small vessel disease, the usefulness of cilostazol for secondary stroke prevention is uncertain(Level of Evidence: B-R) |
For AHA/ASA guidelines for Intravenous Fibrinolysis in patients with ischemic stroke, please click here
For AHA/ASA guidelines for General Supportive Care and Treatment of Acute Complications in patients with ischemic stroke, please click here
For AHA/ASA guidelines on anticoagulants usage in patients with ischemic stroke, please click here
For AHA/ASA guidelines on antiplatelets usage in patients with ischemic stroke, please click here
For AHA/ASA guidelines on volume resuscitation usage in patients with ischemic stroke, please click here
For AHA/ASA guidelines on neuroprotective agents in patients with ischemic stroke, please click here
For AHA/ASA guidelines on General Stroke Care in patients with ischemic stroke, please click here
References
- ↑ Hackam DG, Spence JD (2007). "Combining multiple approaches for the secondary prevention of vascular events after stroke: a quantitative modeling study". Stroke. 38 (6): 1881–5. doi:10.1161/STROKEAHA.106.475525. PMID 17431209.
- ↑ Saver, Jeffrey L.; Goyal, Mayank; van der Lugt, Aad; Menon, Bijoy K.; Majoie, Charles B. L. M.; Dippel, Diederik W.; Campbell, Bruce C.; Nogueira, Raul G.; Demchuk, Andrew M.; Tomasello, Alejandro; Cardona, Pere; Devlin, Thomas G.; Frei, Donald F.; du Mesnil de Rochemont, Richard; Berkhemer, Olvert A.; Jovin, Tudor G.; Siddiqui, Adnan H.; van Zwam, Wim H.; Davis, Stephen M.; Castaño, Carlos; Sapkota, Biggya L.; Fransen, Puck S.; Molina, Carlos; van Oostenbrugge, Robert J.; Chamorro, Ángel; Lingsma, Hester; Silver, Frank L.; Donnan, Geoffrey A.; Shuaib, Ashfaq; Brown, Scott; Stouch, Bruce; Mitchell, Peter J.; Davalos, Antoni; Roos, Yvo B. W. E. M.; Hill, Michael D. (2016). "Time to Treatment With Endovascular Thrombectomy and Outcomes From Ischemic Stroke: A Meta-analysis". JAMA. 316 (12): 1279. doi:10.1001/jama.2016.13647. ISSN 0098-7484.
- ↑ Gioia, Laura C.; Kate, Mahesh; Sivakumar, Leka; Hussain, Dulara; Kalashyan, Hayrapet; Buck, Brian; Bussiere, Miguel; Jeerakathil, Thomas; Shuaib, Ashfaq; Emery, Derek; Butcher, Ken (2016). "Early Rivaroxaban Use After Cardioembolic Stroke May Not Result in Hemorrhagic Transformation". Stroke. 47 (7): 1917–1919. doi:10.1161/STROKEAHA.116.013491. ISSN 0039-2499.
- ↑ Nacu, Aliona; Kvistad, Christopher E.; Naess, Halvor; Øygarden, Halvor; Logallo, Nicola; Assmus, Jörg; Waje-Andreassen, Ulrike; Kurz, Kathinka D.; Neckelmann, Gesche; Thomassen, Lars (2017). "NOR-SASS (Norwegian Sonothrombolysis in Acute Stroke Study)". Stroke. 48 (2): 335–341. doi:10.1161/STROKEAHA.116.014644. ISSN 0039-2499.
- ↑ 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 5.10 5.11 5.12 5.13 5.14 Powers, William J.; Rabinstein, Alejandro A.; Ackerson, Teri; Adeoye, Opeolu M.; Bambakidis, Nicholas C.; Becker, Kyra; Biller, José; Brown, Michael; Demaerschalk, Bart M.; Hoh, Brian; Jauch, Edward C.; Kidwell, Chelsea S.; Leslie-Mazwi, Thabele M.; Ovbiagele, Bruce; Scott, Phillip A.; Sheth, Kevin N.; Southerland, Andrew M.; Summers, Deborah V.; Tirschwell, David L. (2019). "Guidelines for the Early Management of Patients With Acute Ischemic Stroke: 2019 Update to the 2018 Guidelines for the Early Management of Acute Ischemic Stroke: A Guideline for Healthcare Professionals From the American Heart Association/American Stroke Association". Stroke. 50 (12). doi:10.1161/STR.0000000000000211. ISSN 0039-2499.
- ↑ Sanossian, Nerses; Saver, Jeffrey L.; Liebeskind, David S.; Kim, Doojin; Razinia, Tannaz; Ovbiagele, Bruce (2006). "Achieving Target Cholesterol Goals After Stroke". Archives of Neurology. 63 (8): 1081. doi:10.1001/archneur.63.8.1081. ISSN 0003-9942.
- ↑ Lees, Kennedy R.; Emberson, Jonathan; Blackwell, Lisa; Bluhmki, Erich; Davis, Stephen M.; Donnan, Geoffrey A.; Grotta, James C.; Kaste, Markku; von Kummer, Rüdiger; Lansberg, Maarten G.; Lindley, Richard I.; Lyden, Patrick; Murray, Gordon D.; Sandercock, Peter A.G.; Toni, Danilo; Toyoda, Kazunori; Wardlaw, Joanna M.; Whiteley, William N.; Baigent, Colin; Hacke, Werner; Howard, George; Marler, John; Halls, Heather; Holland, Lisa; Mathews, Clare; Smith, Samantha; Wilson, Kate; Koga, Masatoshi; Albers, Gregory; Brott, Thomas; Cohen, Geoffrey; Koga, Masatoshi; Olivot, Jean Marc; Parsons, Mark; Tilley, Barbara; Wahlgren, Nils; del Zoppo, Gregory J (2016). "Effects of Alteplase for Acute Stroke on the Distribution of Functional Outcomes". Stroke. 47 (9): 2373–2379. doi:10.1161/STROKEAHA.116.013644. ISSN 0039-2499.
- ↑ "The benefits and harms of intravenous thrombolysis with recombinant tissue plasminogen activator within 6 h of acute ischaemic stroke (the third international stroke trial [IST-3]): a randomised controlled trial". The Lancet. 379 (9834): 2352–2363. 2012. doi:10.1016/S0140-6736(12)60768-5. ISSN 0140-6736.
- ↑ Adeoye, Opeolu; Sucharew, Heidi; Khoury, Jane; Tomsick, Thomas; Khatri, Pooja; Palesch, Yuko; Schmit, Pamela A.; Pancioli, Arthur M.; Broderick, Joseph P. (2015). "Recombinant Tissue-Type Plasminogen Activator Plus Eptifibatide Versus Recombinant Tissue-Type Plasminogen Activator Alone in Acute Ischemic Stroke". Stroke. 46 (2): 461–464. doi:10.1161/STROKEAHA.114.006743. ISSN 0039-2499.
- ↑ Powers, William J.; Derdeyn, Colin P.; Biller, José; Coffey, Christopher S.; Hoh, Brian L.; Jauch, Edward C.; Johnston, Karen C.; Johnston, S. Claiborne; Khalessi, Alexander A.; Kidwell, Chelsea S.; Meschia, James F.; Ovbiagele, Bruce; Yavagal, Dileep R. (2015). "2015 American Heart Association/American Stroke Association Focused Update of the 2013 Guidelines for the Early Management of Patients With Acute Ischemic Stroke Regarding Endovascular Treatment". Stroke. 46 (10): 3020–3035. doi:10.1161/STR.0000000000000074. ISSN 0039-2499.
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- ↑ Kleindorfer DO, Towfighi A, Chaturvedi S, Cockroft KM, Gutierrez J, Lombardi-Hill D; et al. (2021). "2021 Guideline for the Prevention of Stroke in Patients With Stroke and Transient Ischemic Attack: A Guideline From the American Heart Association/American Stroke Association". Stroke. 52 (7): e364–e467. doi:10.1161/STR.0000000000000375. PMID 34024117 Check
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