Reversible Cerebral Vasoconstriction Syndromes (RCVS)

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Serotonin – central role in <strong>RCVS</strong>? Sumatriptan: 5-HT 1B,D receptors Cocaine, amphetamines: sympathomimetic + serotonergic actions Diet pills: stroke, “carcinoid” heart & lung lesions (NEJM 1997) Subarachnoid hemorrhage: ? neuronal serotonin uptake/release Migraine related stroke: ?serotonergic mechanisms Head injury: ? release of serotonin from brain, platelets Porphyria: liver tryptophan pyrrolase is haem-dependant; haem deficiency in porphyria elevates 5-HT levels (Nature 1983) Serotonin Syndrome: assoc. with migrainous stroke (Headache 1997)
Serotonin – further evidence • SSRIs associated with digit ischemia • serotonin implicated in Raynaud’s phenomenon • sumatriptan and Prinzmetal’s angina, MI • sumatriptan and mesenteric ischemia • Diet pills: sympathomimetic + serotonergic effects, reversible cardiac valvular lesions and pulmonary hypertension (carcinoid syndrome) • Abilify and stroke
Page 1 and 2: Reversible Cerebral Vasoconstrictio
Page 3 and 4: Patients (mostly women): rTCH ± st
Page 5 and 6: Key Elements for Diagnosis 1. Sever
Page 7 and 8: Characteristic Clinical Features CC
Page 9: Laboratory and Imaging Features Cha
Page 12 and 13: Characteristic Follow-up Imaging CC
Page 14 and 15: RCVS: Brain Imaging
Page 16 and 17: Brain Hemorrhage in RCVS Hemorrhage
Page 18 and 19: • Migraine Differential Diagnosis
Page 20 and 21: Diagnostic Approach 1. Clinical Rec
Page 22 and 23: Characteristic Treatment and Outcom
Page 24 and 25: CTA before IA treatment (PPD 20) Si
Page 26 and 27: Final MRI 6 Days After Admission Si
Page 28 and 29: RCVS • Group of conditions charac
Page 31 and 32: Stroke attributed to ‘vasospasm
Page 36 and 37: Hemorrhages in 1 st week, Infarcts
Page 38 and 39: Pathophysiology
Page 40 and 41: A B C (A) Headframe used for bedsid
Page 42 and 43: Perivascular nerves smooth muscle c
Page 44 and 45: Endothelium • Modulates vascular
Page 46 and 47: Spectrum - disorders of cerebrovasc
Page 48 and 49: RCVS and Drugs/Meds Ergot derivativ
Page 52 and 53: Serotonergic meds common…but RCVS
Page 54 and 55: RCVS and Migraine Is RCVS simply a
Page 56 and 57: Neurology 2006: 67:2164 • Prospec
Page 58 and 59: RCVS-SAH (n=35) vs. aSAH (n=515)
Page 60 and 61: RCVS vs. PACNS
Page 63 and 64: Angio positive in 70 cases; biopsy
Page 65 and 66: RCVS vs PACNS: MGH cases, 1993-2009
Page 67 and 68: RCVS vs PACNS: MGH cases, 1993-2009
Page 69 and 70: Brain lesion topography in RCVS 3.
Page 71 and 72: Lesion patterns in PACNS 2. Diffuse
Page 73 and 74: Distinguishing RCVS from PACNS Clin
Page 75 and 76: Advanced MRI for Cerebral Arteriopa
Page 77 and 78: To study the phenomena of disease w
Page 79 and 80: Illustrative Case 46 year male: acu
Page 81 and 82: Illustrative Case MR angio - severe
Page 84 and 85: PACNS - Typical Angiographic featur
Page 86: Treatment vs Poor Outcome All Patie

Reversible Cerebral Vasoconstriction Syndromes (RCVS)

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