NEUROSURGICAL MANAGEMENT OF STROKE:PRACTICE TREND IN THE PHILIPPINES GERARDO D. LEGASPI M.D. SECTION OF NEUROSURGERY DEPARTMENT OF NEUROSCIENCES UNIVERSITY OF THE PHILIPPINES-PHILIPPINE GENERAL HOSPITAL PHILIPPINE DEMOGRAPHICS 95 M Filipinos 107 Neurosurgeons 60% in Urban Centers (Manila, Cebu, 97% General Surgeons 2 Ped Neurosurgeon 1 Spine Neurosurgeon 1 Vascular “hybrid” Neurosurgeon 1 Endovascular Neurosurgeon Davao) ENDOVASCULAR SERVICE 2 Neurosurgeons (Manila) 8 Interventional Radiologists 6 in Manila 2 in Cebu Bulk of cases done by Neurosurgeons 2 Neurosurgeons 6 Interventional Radiologists 2 Interventional Radiologists “Yesterday, all my troubles seemed so far away” Lennon and McCartney Aneurysm ICH AVM Infarct Clip Evacuate Excise “Pa complete” STROKE PROFILE 1,200 cases/year 63% Infarct 28% ICH 9% SAH Overall Mortality 12% “Infantile” Stroke Unit Limited MRI/Cathlab use Mainly Indigent patients 800 cases/year 72% Infarct 21% ICH 7% SAH Overall Mortality 5.5% Established Stroke Unit MRI/Cathlab open 24 hrs Mainly private patients 2006 PGH Stroke Data ( Diosdado Stroke Unit) Infarct 50% ICH 40% SAH 10% Causes of Mortality Neurologic 86% (Herniation/Brainstem) Non-neurologic 14% Macapagal STROKE TYPES INTRACEREBRAL HEMATOMA Spontaneous supratentorial ICH INFARCTS Arterial stenosis/occlusion SUBARACHNOID HEMORRHAGE Aneurysms/AV Malformations Intracerebral Hematoma Affects 10-20 people /100,000 /year worldwide Asians (Chinese and Japanese) 30-35% Americans (African-Americans) 10-15%. Philippine data Manila - 30% of stroke admissions (7 teaching hospitals ) Cebu City 25-30% of all stroke admissions ( 6 PCP training hospitals ) SURGERY FOR SUPRATENTORIAL ICH STICH I STICH II Neutral Results On going <48 hours GCS : Motor 5/Eye opening 2 Purely Lobar 1 cm from the surface 10-100cc SSP 2006 Recommendation Patients may benefit with surgery: Basal ganglia or thalamic GCS > 4 Supratentorial ICH > 30 cc (Level IV-V, Grade C) 2006 Surgery for pts in coma but not herniated – • hematoma is located on the BG,cerebellum • family is willing to accept the consequences of persistent vegetative state / irreversible coma • Goal is reduction of mortality (survival) Courtesy of Dr. Carlos Chua INTRACEREBRAL HEMATOMA 1,200 cases/year 800 cases/year ICH 28% Operated 21% ICH 21% Operated 20% Overall Mortality 17.5% Overall Mortality 12.9% Distinct Critical Events in ICH (1st 24 hrs) Unstable clot Rebleeding Hematoma enlargement 0 3 Ultra early Early 6 Thrombin-induced Neurotoxic edema 12 18 24 30 HRS Morgenstern, 2001 • POOR outcome • complicated by rebleeding Timing of Sx Intervention Kaneko, 1983 • 83% GOOD outcome Zuccarello, 1999 • 56% GOOD outcome “Early” STICH, Mendelow, 2005 • NEUTRAL 7 RCTs on Surgery for Supratentorial ICH Author / Yr McKissock,1961 Juvela, 1989 Auer, 1989 Batjer, 1990 Chen, 1992 Morgenstern, 1998 No of Cases Surgical method M S 91 26 89 26 Craniotomy 50 13 63 50 8 64 Endoscopic aspiration 16 15 Zucarrello, 1999 11 9 Courtesy of Dr. Carlos Chua Craniotomy Craniotomy Craniotomy / stereo / ventricular drainage Craniotomy % Poor Outcome M S 66 81 80 96 74 83 50 58 78 63 69 50 Craniotomy / 64 2000; 31:2511-2516 44 Fernandez,H et al. Stroke stereotactic aspiration Benefit of Surgery in Certain Subgroup of ICH Pts Putaminal Hemorrhage Study No Case Surgical technique Outcome (%) Kaneko, 1977 38 Putaminal • Microsurgery • < 7 hrs Good = 89 Poor = 11 Kaneko, 1983 100 Putaminal •Microsurgery •< 7hrs Good = 83 Poor = 17 Fujitsu, 1990 24 Rapidly deteriorating, putaminal • Microsurgery • < 4 days Good = 70 Poor = 30 Rapidly Nievas, 59 • Microsurgery Mortality = deteriorating, 2005 16.9 keyhole clot putaminal, unpublishe aspiration > 30cc d Patient selection & surgical technique DOES MATTER ! Endoscopic Evacuation • Selection criteria Thalamic hemorrhage with IVH due to hypertension GCS 12 and below Surgery performed within 24 hours Excluded are patients who were comatose, on antiplatelet/anticoagulants,medical conditions Mariano et al St. Luke’s Medical Center Surgical Technique Frontal Burr hole (ipsilateral or contralateral) Rigid endoscopes Lactated Ringer’s solution as irrigation Suction/Irrigation Clear up frontal horn first, look for landmarks(foramen of Munro,choroid plexus, or septum pellucidum) Hemostasis by washing and cautery Intraventricular ICP probe inserted Continuous EVD CLOT THALAMIC SUBSTRATE Preliminary Results of Endoscopy for TH Good ICP control, EVD removed by day 3 postop 14/15 patients improvement in level of consciousness, 1 got worse (rebleed), no mortality The hospital stay was 30% shorter and recovery was faster than previously treated patients (range 1 to 4 weeks) Only I patient needed a permanent VP shunt