Interventions in the Management of Acute Stroke. Dr Md Shafiqul Islam Associate Professor Neurosurgery Dhaka Medical College Hospital
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1 Interventions in the Management of Acute Stroke Dr Md Shafiqul Islam Associate Professor Neurosurgery Dhaka Medical College Hospital
2 Acute stroke intervention Number of stroke patients increasing day by day Haemorrhagic SAH due to Aneurysm rupture ICH/IVH due to AVM or AVF rupture Hypertensive Ischemic stroke Acute Ischemic Stroke (AIS) Haemodynamic stroke
3 SAH due to aneurysm rupture 18% dies before reaching hospital One month survival is 40%. Complications: Rebleed, Hydrocephalus, Vasospasm Treatment: Coiling or clipping occlusion of the Aneurysm. Aim: Exclude the aneurysm from the circulation.
4 We will focus on endovascular treatment only. Coiling of the aneurysm, Baloon assisted coiling Stent assisted coiling Assisted coiling Stent Assisted coiling
5 60 Y-O male presented with SAH, CTA: Small aneurysm in the Anterior Communicating Artery. Coiling occlusion of the aneurysm done on day 1 and discharged on day 3
6 Coiling during Vasospasm period
7 Coiling done on day 7; discharged on day 10. No Vasospasm 55 Y old lady presented with SAH; CTA: IC-Posterior Communicating Artery aneurysm, Day 3: haematemesis due to variceal bleed; sclerotherapy done
8 Intra Arterial Chemical angioplasty SAH, CTA: ACom aneurysm, admitted on day 4. Day 5: Coiling done, severe vasospasm, hemiparesis after procedure. Shifted to cathlab. Chemical angioplasty with nimodipine. Hemiparesis improved post procedurally. One month FU: No deficit. MCA ACA ICA
9 Balloon assisted coiling Balloon
10 Cavernous Giant Aneurysm Coil in cervical ICA
11 Parent artery coil occlusion with bypass MCA Anastomosis STA
12 Aneurysm Coiling done: 25 patients: Complete occlusion achieved. Average Hospital stay 2-3 days Mortality: 1, Aborted: 1 Parent artery occlusion with coil with or without bypass: 3
13 Acute stroke intervention Haemorrhagic SAH due to Aneurysm rupture ICH/IVH due to AVM or AVF rupture Hypertensive Ischemic stroke Acute Ischemic Stroke (AIS) Haemodynamic stroke
14 Modalities of treatment of AVM Surgery Embolization Radiosurgery No Knife Present Concept: If there is no symptom do not treat the AVM. Except risk factor for bleed: Young previous bleed Deep draining vein Infratentorial AVM.
15 We treated 13 cases as of now: all presented with bleed Complete cure: 6 3 patients waiting for second session. Expecting complete cure. The rest are under follow up doing very fine.
16 32 Y-O male presented with ICH 2 y back, bleed again after 2 y. Corpus Callosal AVM. Embolized; complete occlusion in one session.
17 4o Y-O male presented with bleed and H/O Seizure. CTA DSA shows Vein of Galen Aneurysmal Dilatation due to multiple high flow pial AVF from ACA as well as PCA. We treated in two session and complete occlusion achieved.
18
19 22 y-o girl presented with unconsciousness, CT/DSA: Bleed with high flow fistula. Embolized in single session. Complete occlusion achived.
20 Acute stroke intervention Haemorrhagic SAH due to Aneurysm rupture ICH/IVH due to AVM or AVF rupture Hypertensive Ischemic stroke Acute Ischemic Stroke (AIS) Haemodynamic stroke
21 Haemodynamic stroke Watershed area Atherosclerotic narrowing of the lumen; as a result watershed zone suffers from relative ischemia. Usually presents with hemiparesis/plegia when there is reduced blood flow: during sleep for example. Also gives H/O warning oculocerebral TIA Revascularization either carotid endarterectomy or Carotid angioplasty and stenting usually rewarding.
22 Mr Badrul 75 Y-old presented with sudden left hemi, CT watershed infarct Watershed Infarct
23 Before Revascularization After Revascularization
24 Presented with sudden left hemi(ul grade2, LL grade 0), CT/MR shows right sided basal and temporal cortical infarct, pituitary macroadenom. Duplex revealed complete ICA occlusion. Stenting done. Started improving, his motor is grade 4 at day 7.
25
26 Acute stroke intervention Haemorrhagic SAH due to Aneurysm rupture ICH/IVH due to AVM or AVF rupture Hypertensive Ischemic stroke Acute Ischemic Stroke (AIS) Haemodynamic stroke
27 Acute Ischemic Stroke We need to know Whether bleed or infarct: CT/MRI Which vessel: CTAngiogram/MRAngiogram Viability of that part of the brain: MR Perfusion, CT Perfusion
28 44 y-o male, lt hemi 3 hrs, CT onset MRI day4
29 Early CT features Loss of gray-white difference Focal parenchymal hypodensity Of insular ribon Of lenticular nucleus Cortical swealing with sulcal enhancement Ventricular effacement HDMCA or Basilar DOT
30 Where we are: In district hospital/medical college hospital without cathlab CT CTAor MRI MRA: Depends on availability and time since stroke onset Distal MCA (M2 M3) IV TPA is good/may be good if occlusion is distal MCA For proximal occlusion (ICA origin for example) IV tpa less effective
31 Place, where we have Superspecialized hospital, Cathlab and manpower. Find out tissue potentially under threat but yet salvagable. Depends on chronicity of onset and collateral blood supply. Ischaemic threshold very much depend on collaterals, site and time of injury.
32 Wake up stroke: Patient went for sleep normal, wake up with hemi. Do not know time of onset Diffusion image: Detects (hyperintense) area of brain with diffusion deficit. Perfusion image: Detects (Hyperintense) area of brain with perfusion deficit. Perfusion-Diffusion in image= D-P mismatch. Patients with more mismatch is good candidate for thrombolysis/thrombectomy
33 Hyper acute stroke Acute stroke
34 MCA ACA ACAXV TRUE END ARTERY Permanent damage, LSA ICA Collaterals: Pial Collaterals CW EC-IC BA VA
35 ACA LSA MCA BA ICA VA
36 Good collaterals: Good outcome, even we do not revscularize Bad collaetrals
37 Posterior circulation Upto 24 hours revescularization can be done Relative resistant to ischemia Less chance of haemorrhagic transformation.
38 All we can do is to Detect penumbra, the part which is under threat of infarct but can be salvaged if timely revascularization done. No benefit Diffusion perfusion match More than 1/3 MCA infarct ASPECTS 7 or less The more the mismatch the more is penumbra More proximal the lesion Thrombectomy
39
40 If you are dealing a difficult brain disease but not like Acute Ischemic stroke. Pt/attendance can decide their treatment. They can change hospital/physician even country But Acute Ischemic stroke U have money U R powerful. Does it matter? Answer is NO
41 Treatment has to be done in Bnagladesh Time is brain. Lets start. If we start tomorrow we will be late by a day. Keeping many of us vulnerable
42 Thank You
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