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Review

Predictors of early mortality in patients with ischemic stroke

Pages 1349-1362 | Published online: 10 Jan 2014

References

  • European Stroke Initiative recommendation for stroke management – update 2003. Cerebrovasc. Dis.16, 311–337 (2003).
  • Counsell C, Dennis M. Systematic review of prognostic models in patients with acute stroke. Cerebrovasc. Dis.12(3), 159–170 (2001).
  • Weir NU, Counsell CE, McDowall M, Gunkel A, Dennis MS. Reliability of the variables in a new set of models that predict outcome after stroke. J. Neurol. Neurosurg. Psychiatry74, 447–451 (2003).
  • Heuschmann PU, Kolominsky-Rabas PL, Misselwitz B et al. Predictors of in-hospital mortality and attribute risks of death after ischemic stroke. the German Stroke Registers Study Group. Arch. Intern. Med.164, 1761–1768 (2004).
  • Gromadzka G, Baranska-Gieruszczak, Ciesielska A, Sarzynska-Dlugosz I, Czlonkowska A. APOE genotype and serum cholesterol in predicting risk from ischemic stroke in men and women. Cerebrovasc. Dis.20, 291–298 (2005).
  • Barker WH, Mullooly DP. Stroke in a defined elderly population, 1967–1985. A less lethal and disabling but not less common disease. Stroke28(2), 284–290 (1997).
  • Immonen-Rahia P, Mahonen M, Tuomilehto J et al. Trends in case-fatality of stroke in Finland during 1983 to 1992. Stroke28(12), 2493–2499 (1997).
  • Warlow CP, Dennis MS, van Gijn J et al. Reducing the burden of stroke and improving the public health. In: Stroke. A Practical Guide to Management. Blackwell Science Ltd, UK, 762–784 (2001).
  • Numminen H, Kaste M, Aho K et al. Decreased severity of brain infarct can in part explain the decreasing case fatality rate of stroke. Stroke31, 651–655 (2000).
  • Derby C, Lapane KL, Feldman HA et al. Trends in validated cases of fatal and nonfatal stroke, stroke classification, and risk factors in Southeastern New England, 1980 to 1991. Data from the Pawtucket Heart Program. Stroke31, 875–881 (2000).
  • Goldstein LB, Matchar DB, Hoff-Lindquist J, Samsa GP, Horner RD.VA Stroke Study: neurologist care is associated with increased testing but improved outcomes. Neurology61(6), 792–796 (2003).
  • Hylek EM, Go AS, Chang Y et al. Effect of intensity of oral anticoagulation on stroke severity and mortality in atrial fibrillation. N. Engl. J. Med.349, 1019–1026 (2003).
  • Jeng JS, Lee TK, Chang YC et al. Subtypes and case-fatality rates of stroke: a hospital-based stroke registry in Taiwan (SCAN-IV). J. Neurol. Sci.156(2), 220–226 (1998).
  • Kumral E, Ozkaya B, Sagduyu A, Sirin H, Vardarli E, Pehlivan M. The Ege stroke Registry: a hospital-based study in the Aegean region, Izmir, Turkey. Analysis of 2,000 stroke patients. Cerebrovasc. Dis.8(5), 278–288 (1998).
  • Rocca WA, Reggio A, Savettieri G et al. Stroke incidence and survival in three Sicilian municipalities. Sicilian Neuro-Epidemiology Study (SNES) Group. Ital. J. Neurol. Sci.19(6), 351–356 (1998).
  • Kolominsky-Rabas PL, Sarti C, Heuschmann PU et al. A prospective community-based study of stroke in Germany – the Erlangen Stroke Project (ESPro). Incidence and case fatality at 1,3, and 12 months. Stroke29, 2501–2506 (1998).
  • Baptista MV, van Melle G, Bogusslavsky J. Prediction of in-hospital mortality after first-ever stroke: the Lausanne Stroke Registry. J. Neurol. Sci.166(2), 107–114 (1999).
  • Szczudlik A, Slowik A, Turaj W et al. Early predictors of 30-day mortality in supratentorial ischemic stroke patients – first episode. Med. Sci. Monit.6(1), 75–80 (2000).
  • Warlow CP, Dennis MS, van Gijn J et al. A practical approach to the management of stroke patients. Stroke. A Practical Guide to Management. Blackwell Science Ltd, UK, 414–441 (2001).
  • Hartmann A, Rundek T, Mast H et al. Mortality and causes of death after first ischemic stroke: the Northern Manhattan Stroke study. Neurology57(11), 2000–2005 (2001).
  • Lee BI, Nam HS, Heo JH, Kim DI; Yonsei Stroke Team. Yonsei Stroke Registry. Analysis of 1,000 patients with acute cerebral infarction. Cerebrovasc. Dis.12(3), 145–151 (2001).
  • Czlonkowska A, Niewada M, Salech El-Baroni I et al. High early case fatality after ischaemic stroke in Poland: exploration of possible explanations in the International Stroke Trial. J. Neurol. Sci.202(1–2), 53–57 (2002).
  • Ryglewicz D, Milewska D, Lechowicz W, Roszkiewicz M, Czlonkowska A. Factor predicting earl stroke fatality In Poland. Preliminary report of the Polish National Stroke Registry. Neurol. Sci.24, 301–304 (2003).
  • Vemmos KN, Tsivgoulis G, Spengos K et al. U-shaped relationship between mortality and admission blood pressure with acute stroke. J. Intern. Med.255, 257–265 (2004).
  • Tsiskaridze A, Djibuti M, van Melle G et al. Stroke incidence and 30-day case –fatality in a suburb of Tbilisi: result of the first prospective population-based study in Georgia. Stroke35(11), 2523–2528 (2004).
  • Naess H, Nyland HI, Thomassen L, Aarseth J, Nyland G, Myhr K-M. Incidence and short term outcome of cerebral infarction in young adults in western Norway. Stroke33(9), 2105–2108 (2002).
  • Wong KS for Asian Acute Stroke Advisory Panel. Risk factors for early death in acute ischemic stroke and intracerebral hemorrhage: a prospective hospital-based study in Asia. Stroke30, 2326–2330 (1999).
  • Arboix A, Comes E, Garcia-Eroles L, Massons JB, Oliveres M, Balcells M. Prognostic value of very early seizures for in-hospital mortality in atherothrombic infarction. Eur. Neurol.50(2), 78–84 (2003).
  • White H, Boden-Abala B, Wang C et al. Ischemic stroke subtype incidence among whites, blacks, and Hispanics: the Northern Manhattan Study. Circulation111(10), 1327–1331 (2005).
  • Tuomilehto J, Rastenyte D, Sivenius J et al. Ten-year trends in stroke incidence and mortality in the FINMONICA Stroke Study. Stroke27(5), 825–832 (1996).
  • Petty GW, Brown RD, Whisnant JP, Sicks J, O’Fallon WM, Wiebers DO. Ischemic stroke subtypes. A population based study of functional outcome, survival, and recurrence. Stroke31, 1062–1068 (2000).
  • Paciaroni M, Caso V, Venti M et al. Outcome in patients with stroke associated with internal carotid artery occlusion. Cerebrovasc. Dis.20(2), 108–113 (2005).
  • Tei H, Uchiyama S, Ohara K, Kobayashi M, Uchiyama Y, Fukuzawa M. Deteriorating ischemic stroke in 4 clinical categories classified by The Oxfordshire Community Stroke Project. Stroke31, 2049–2054 (2000).
  • Glass TA, Hennessey PM, Pazdera L et al. Outcome at 30 days in the New England Medical Center Posterior Circulation Registry. Arch. Neurol.59(3), 359–360 (2002).
  • Bamford J, Sandercock P, Dennis M, Burn J, Warlow C. Classification and natural history of clinical identifiable subtypes of cerebral infarction. Lancet337, 1521–1526 (1991).
  • Tismit SG, Sacco RL, Mohr JP et al. Brain infarction severity differs according to cardiac or arterial embolic source. Neurology43, 728–733 (1993).
  • DeGraba TJ, Hallenbeck JM, Pettigrew KD, Dutka AJ, Kelly BJ. Progression in acute stroke: value of the initial NIH Stroke Scale score on patient stratification in future trials. Stroke30, 1208–1212 (1999).
  • Weimar C, Konig IR, Kraywinkel K, Ziegler A, Diener HC, on behalf of the German Stroke Study Collaboration. Age and National Institutes of Health. Stroke Scale score within 6 hours after onset are accurate predictors of outcome after cerebral ischemia. Stroke35, 158–162 (2004).
  • Heuschmann PU, Kolominsky-Rabas PL, Roether J et al. Predictors of in-hospital mortality in patients with acute ischemic stroke treated with thrombolytic therapy. JAMA292, 1831–1838 (2004).
  • Counsell CE, Dennis MS, McDowall M. Predicting functional outcome in acute stroke: comparison of a simple six variable model with other predictive systems and informal clinical prediction. J. Neurol. Neurosurg. Psychiatry75, 401–405 (2004).
  • Counsell CE, Dennis MS, McDowall M et al. Predicting outcome after acute stroke: development and validation of new prognostic models. Stroke33, 1041–1047 (2002).
  • Bhalla A, Gupta OP, Gupta SB. Predicting mortality in stroke. Neurol. India50, 279–281 (2002).
  • Weir CJ, Bradford APJ, Lees KR. The prognostic value of the components of the Glasgow Coma Scale following acute stroke. Q J Med.96, 67–74 (2003).
  • Lam WWM, Leung TWH, Chu WCW, Yeung DTK, Wong LKS, Poon WS. Early computed tomography features in extensive middle cerebral artery territory infarct: prediction of survival. J. Neurol. Neurosurg. Psychiatry76, 354–357 (2005).
  • Lam WWM, Leung TWH, Chu WCW, Yeung DTK, Wong LKS. Hyperacute extensive middle cerebral artery territory infarcts. Role of computed tomography in predicting outcome. J. Comput. Assist. Tomogr.28, 650–653 (2004).
  • Rordorf G, Koroshetz W, Efird JT, Cramer SC. Predictors of mortality in stroke patients admitted to an intensive care unit. Crit. Care Med.28(5), 1301–1305 (2000).
  • Olsson T, Terent A, Lind L. Rapid Emergency Medicine score: a new prognostic tool for in-hospital mortality in nonsurgical emergency department patients. J. Intern. Med.255, 579–587 (2004).
  • Weingarten S, Bolus R, Riedinger MS, Maldonado L, Stein S, Ellrodt AG. The principle of parsimony: Glasgow Coma Scale score predicts mortality as well as the APACHE II score for stroke patients. Stroke21(9), 1280–1282 (1990).
  • Rhee K, Fisher C, Willitis N. The Rapid Acute Physiology Score. Am. J. Emerg. Med.5, 2780–286 (1987).
  • Handschu R, Haslbeck M, Hartmann A et al. Mortality prediction in critical care for acute stroke: severity of illness-score or coma-scale? J. Neurol.252(10), 1249–1254 (2005).
  • Christensen H, Boysen G. C-reactive protein and white blood cell count increases in the first 24 hours after acute stroke. Cerebrovasc. Dis.18, 214–219 (2004).
  • Stavem K, Loussius M, Ronning OM. Reliabilty and validity of the Canadian Neurological Scale in retrospective assessment of initial stroke severity. Cerebrovasc. Dis.16, 286–291 (2003).
  • Kazmierski R, Guzik P, Ambrosius W, Ciesielska A, Moskal J, Kozubski W. Predictive value of white blood cell count on admission for in-hospital mortality in acute stroke patients. Clin. Neurol. Neurosurg.107, 38–43 (2004).
  • Gray CS, French JM, James OF, Bates D, Cartlidge NE. The prognostic value of hematocrit in acute stroke. Age Ageing17, 406–409 (1988).
  • Czlonkowska A, Ryglewicz D, Lechowicz W: Basic analytical parameters as the predictive factors for 30-day case fatality rate in stroke. Acta. Neurol. Scand.95, 121–124 (1997).
  • Woo J, Lau E, Kay R et al. A case control study of some hematological and biochemical variables in acute stroke and their prognostic value. Neuroepidemiology9, 315–320 (1990).
  • Audebert H, Rott MM, Eck T, Haberl RL. Systemic inflammatory response depends on initial stroke severity but is attenuated by successful thrombolysis. Stroke35, 2128–2133 (2004).
  • Grau AJ, Boddy AW, Dukovic DA et al. Leukocyte count as an independent predictor of recurrent ischemic events. Stroke35, 1147–1152 (2004).
  • Elkind MS, Sciacca RR, Boden-Abala B, Rundek T, Paik MC, Sacco RL. Relative elevation in baseline leukocyte count predicts first cerebral infarction. Neurology64(12), 2121–2125 (2005).
  • Grau AJ, Buggle F, Becher H et al. Recent bacterial and viral infection is a risk-factor for cerebrovascular ischemia: clinical and biochemical studies. Neurology50(1), 196–203 (1998).
  • Smeeth L, Thomas SL, Hall AJ, Hubbard R, Farrington P, Vallance P. Risk of myocardial infarction and stroke after infection or vaccination. N. Engl. J. Med.351, 2611–2618 (2004).
  • Grau AJ, Marquardt L, Lichy C. The effect of infection and vaccination on stroke risk. Expert Rev. Neurother.6(2), 175–183 (2006).
  • Rallidis LS, Vikelis M, Panagiotakos DB et al. Inflammatory markers and in-hospital mortality in acute ischemic stroke. Atherosclerosis (2006). in press
  • Winbeck K, Poppert H, Etgen T, Conrad B, Sander D. Prognostic relevance of early serial C-reactive protein measurements after first ischemic stroke. Stroke33, 2459–2464 (2002).
  • Muir KW, Weir CJ, Alwan W, Squire IB, Lees KR. C-reactive protein and outcome after ischemic stroke. Stroke30, 981–985 (1999).
  • Gussekloo J, Schaap MC, Frolich M, Blaw GJ, Westendorp RB. C-reactive protein is a strong but nonspecific risk-factor of fatal stroke in elderly persons. Arterioscler. Thromb. Vasc. Biol.20, 1047–1051 (2000).
  • Montaner J, Fernandez-Cadenas I, Molina CA et al. Poststroke C-reactive protein is a powerful prognostic tool among candidates for thrombolysis. Stroke37, 1205–1210 (2006).
  • Smith CJ, Emsley HCA, Gavin CM et al. Peak plasma interleukin-6 and other peripherial markers of inflammation in the first week of ischemic stroke correlate with brain infarct volume, stroke severity and long-term outcome. BMC Neurology4(2), (2004).
  • Slowik A, Turaj, Iskra T, Strojny J, Szczudlik A. Microalbuminuria in nondiabetic patients with acute ischemic stroke:prevalence, clinical correlates, and prognostic significance. Cerebrovasc. Dis.14(1), 15–21 (2002).
  • De Jong PE, Hillege HL, Pinto-Sietsma SJ et al. Screening for microalbuminuria in the general population: a tool to detect subjects at risk for progressive renal failure in an early phase? Nephrol. Dial. Transplant.18, 10–13 (2003).
  • Slowik A, Turaj W, Pankiewicz J, Dziedzic T, Szermer P, Szczudlik A. Hypercortisolemia in acute stroke is related to the inflammatory response. J. Neurol. Sci.196, 27–32 (2002).
  • Vauthey C, de Freitas GR, van Melle G, Devuyst G, Bogusslavsky J. Better outcome after stroke with higher serum cholesterol level. Neurology54, 1944–1949 (2000).
  • Horenstein RB, Smith DE, Mosca L. Cholesterol predicts stroke mortality in the Women’s Pooling Project. Stroke33, 1863–1868 (2002).
  • Boysen G, Christensen H. Stroke severity determines body temperature in acute stroke. Stroke32, 413–417 (2001).
  • Reith J, Jorgensen HS, Pedersen PM et al. Body temperature in acute stroke: relation to stroke severity, infarct size, and outcome. Lancet347, 422–425 (1996).
  • Jorgensen HS, Reith J, Nakayama H, Kammersgaard LP, Raaschou HO, Olsen TS. What determines good recovery in patients with the most severe strokes. The Copenhagen Stroke Study. Stroke30, 2008–2012 (1999).
  • Leonardi-Bee J, Bath PMW, Philips SJ, Sandercock PAG, for the IST Collaborative Group. Blood pressure and clinical outcomes in the international stroke trial. Stroke33, 1315–1320 (2004).
  • Adams HP, Adams RJ, Broyy T et al. Guidelines for the early management of patients with ischemic stroke. A scientific statement from the Stroke Council of the American Stroke Association. Stroke34, 1056–1083 (2003).
  • Lisk DR, Grotta JC, Lamki LM et al. Should hypertension be treated after acute stroke? A randomized controlled trial using single photon emission computed tomography. Arch. Neurol.50, 855–862 (1993).
  • Okumara K, Ohya Y, Maehara A, Wakugami K, Esiki K, Takishita S. Effects of blood pressure levels on case fatality after acute stroke. J. Hypertens.23, 1217–1223 (2005).
  • Boysen G. Persisting dilemma: to treat or not to treat blood pressure in acute ischemic stroke. Stroke35, 526–527 (2004).
  • Ahmed N, Nasman P, Wahlgren NG. Effect on intravenous nimodipine on blood pressure and outcome after acute stroke. Stroke31, 1250–1255 (2000).
  • Chamorro A, Vila N, Ascaso C, Elices E, Schonewille W, Blanc R. Blood pressure and functional recovery in acute ischemic stroke. Stroke29, 1850–1853 (1998).
  • Capes SE, Hunt D, Malmberg K, Pathak P, Gerstein HC. Stress hyperglycemia and prognosis of stroke in nondiabetic and diabetic patients. A systematic overview. Stroke32, 2426–2432 (2001).
  • Szczudlik A, Slowik A, Turaj W et al. Transient hyperglycemia in ischemic stroke patients. J. Neurol. Sci.189, 105–111 (2001).
  • Baird T, Parsons MW, Phanh T et al. Persistent poststroke hyperglycemia is associated with infarct expansion and worse clinical outcome. Stroke34, 2208–2214 (2003).
  • Cazzato G, Zorzon M, Mase G, Iona LG. Hypergycemia at ischemic stroke onset as prognostic factor. J. Neurol. Sci.12, 283–288 (1991).
  • Toni D, Sacchetti ML, Argentiono C et al. Does hyperglycemia play a role on the outcome of acute ischaemic stroke patients? J. Neurol.28, 129–135 (1990).
  • Melamed E. Reactive hyperglycemia in patients with acute stroke. J. Neurol. Sci.29, 267–275 (1976).
  • Lee T-H, Ryu S-J, Chen S-T. The prognostic value of blood glucose in patients with acute stroke. J. Formos Med. Assoc.90, 456–470 (1994).
  • Williams LS, Rotich J, Fineberg N et al. Effects of admission hyperglycemia on mortality and costs in acute ischemic stroke. Neurology59(1), 67–71 (2002).
  • Kaarisalo MM, Raiha I, Sivenius J et al. Diabetes worsens the outcome of acute ischemic stroke. Diab. Res. Clin. Prac.69, 293–298 (2005).
  • Turaj W, Slowik A, Strojny J, Szczudlik A. Predictors of one-year mortality in diabetic and non-diabetic patients with ischemic stroke. Pol. Merkuriusz Lek.16(94), 316–319 (2004) (In Polish).
  • Bateman BT, Schumacher HC, Boden-Albala B et al. Factors associated with in-hospital mortality after administration of thrombolysis in acute ischemic stroke patients: an analysis of the nationwide inpatient sample 1999 to 2002. Stroke37(2), 440–446 (2006).
  • Sandercock P, Bamford J, Dennis M et al. Atrial fibruillation and stroke: prevalence in different types of stroke and influence on early long-term prognosis. Br. Med. J.305, 1460–1465 (1992).
  • Candelise L, Pinardi G, Morabito A. Mortality in acute stroke with atrial fibrillation. Stroke22, 169–174 (1991).
  • Colivicchi F, Bassi A, Santini M, Caltagirone C. Cardiac autonomic derangement and arrhythmias in right-sided stroke withinsular involvement. Stroke35, 2094–2098 (2004).
  • Fink JN, Selim MH, Kumar S et al. Insular cortex infarction in acute middle cerebral artery territory stroke. Arch. Neurol.62, 1081–1085 (2005).
  • Wienbergen H, Schiele R, Gitt AK et al. Incidence, risk factors, and clinical outcome of stroke after acute myocardial infarction in clinical practice. Am. J. Cardiol.87, 782–785 (2001).
  • Spencer FA, Gore JM, Yarzebski J, Lessard D, Jackson EA, Goldberg RJ. Trends (1986–1999) in the incidence and outcomes of in-hospital stroke complicating acute myocardial infarction (The Worcester Heart Attack Study). Am. J. Cardiol.92, 383–388 (2003).
  • Burn J, Dennis M, Bamford J, Sandercock P, Wade D, Warlow C. Epileptic seizures after a first stroke: the Oxfordshire Community Stroke Project. Br. Med. J.315(7122), 1582–1587 (1997).
  • Reith J, Jorgensen HS, Nakayama H, Raaschou HO, Olse TS. Seizures in acute stroke: predictions and prognostic significance. The Copenhagen Stroke study. Stroke28(8), 1585–1589 (1997).
  • Finnigan SP, Rose S, Walsh M et al. Correlation of quantitative EEG in acute ischemic stroke with 30-day NIHSS score. Stroke35, 899–903 (2004).
  • Cuspineda E, Machado C, Aubert E, Galan L, Liopis F, Avila Y. Predicting outcome in acute stroke: a comparison between QEEG and the Canadian Neurological Scale. Clin. Electroencephalogr.34, 1–4 (2003).
  • Finocchi C, Gandolfo C, Gasparetto B, Del Sette M, Croce R, Loeb C. Value of early variables as predictors of short-term outcome in patients with acute focal cerebral ischemia. Ital. J. Neurol. Sci.17(5), 341–346 (1996).
  • Wardlaw JM, West TM, Sandercock PAG, Lewis SC, Mielke O, for The International Stoke Trials Collaborative Group. Visible infarction on computed tomography is an independent predictor of poor outcome after stroke, and not of haemorrhagic transformation. J. Neurol. Neurosurg. Psychiatry74, 452–458 (2003).
  • Szczudlik A, Zwolinska G, Slowik A et al. Prognostic significance of early CT changes in ischemic stroke patients (article in polish). Neurol. Neurochir. Pol.35(4), 555–567 (2001).
  • Maramattom B, Bahn MM, Wijdicks EFM . Which patient fares worse after early deterioration due to swelling from hemispheric stroke. Neurology63, 2142–2145 (2004).
  • Czlonkowska A, Milewska D, Ryglewicz D. The Polish experience in early stroke care. Cerebrovasc. Dis.15(suppl. 1), 14–15 (2003).
  • Vernino S, Brown RD, Sejvar JJ ,Sicks JD, Petty GW, O’Fallon M. Cause-specific mortality after first cerebral infarction. A population based study. Stroke34, 1828–1832 (2003).
  • Labiche LA, Grotta JC. Clinical trials for cytoprotection in stroke. NeuroRx.1(1), 46–70 (2004).
  • Vila N, Castillo J, Davalos A, Esteve A, Planas AM, Chamorro A. Levels of anti-inflammatory cytokines and neurological worsening in acute ischemic stroke. Stroke34(3), 671–675 (2003).
  • Blanco M, Moro MA, Davalos A et al. Increased plasma levels of 15-deoxyDelta prostaglandin J2 are associated with good outcome in acute atherothrombotic ischemic stroke. Stroke36(6), 1189–1194 (2005).
  • Tomitori H, Usui T, Saeki N et al. Polyamine oxidase and acrolein as novel biochemical markers for diagnosis of cerebral stroke. Stroke36(12), 2609–2613 (2005).
  • The ATLANTIS, ECASS, and NINDS rt-PA Study Group Investigators. Association of outcome with early stroke treatment: pooled analysis of ATLANTIS, ECASS, and NINDS rt-PA stroke trials. Lancet363, 768–774 (2004).
  • Kaste M. Thrombolysis. What more does it take? Stroke36, 200–202 (2005).
  • Hacke W, Albers GW, Al-Rawi Y et al. DIAS investigators. The Desmoteplase in acute ischemic stroke (DIAS) trial. A phase II MRI-based nine hour window acute stroke thrombolysis trial with intravenous desmoteplase. Stroke36, 66–73 (2005).
  • Furlan AJ, Eyding D, Albers GW et al. Dose escalation of desmoteplase for acute ischemic stroke (DEDAS): evidence of safety and efficacy 3 to 9 hours after stroke onset. Stroke37, 1227–1231 (2006).
  • Lynch JR, Blessing R, White WD, Grocott HP, Newman MF, Laskowitz DT. Novel diagnostic test for acute stroke. Stroke35, 57–63 (2004).

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