Review
Copyright ©The Author(s) 2015.
World J Clin Cases. May 16, 2015; 3(5): 418-429
Published online May 16, 2015. doi: 10.12998/wjcc.v3.i5.418
Table 1 Distribution by age groups of demographic and cardiovascular risk factors in 2704 consecutive patients with cerebral infarction collected from the “Sagrat Cor Hospital of Barcelona Stroke Registry”[7] n (%)
Data< 65 yr (n = 386)65-74 yr (n = 680)75-84 yr (n = 1068)85 yr (n = 570)
Gender
Males270 (69.9)409 (60.1)471 (44.1)186 (32.6)
Females116 (30.1)271 (39.9)597 (55.9)384 (67.4)
Vascular risk factors
Hypertension186 (48.2)415 (61)624 (58.4)276 (48.4)
Atrial fibrillation38 (9.8)157 (23.1)366 (34.3)246 (43.2)
Diabetes mellitus90 (23.3)187 (27.5)252 (23.6)103 (18.1)
Dyslipidemia86 (22.3)179 (26.3)161 (15.1)54 (9.5)
Previous cerebral infarction42 (10.9)130 (19.1)194 (18.2)102 (17.9)
Ischemic heart disease37 (9.6)128 (18.8)185 (17.3)85 (14.9)
Smoking (> 20 cigarettes/d)34 (8.8)85 (12.5)132 (12.4)66 (11.6)
COPD112 (29)88 (12.9)50 (4.7)10 (1.8)
Peripheral vascular disease14 (3.6)54 (7.9)103 (9.6)52 (9.1)
Heart valve disease22 (5.7)79 (11.6)86 (8.1)27 (4.7)
Congestive heart failure26 (6.7)46 (6.8)69 (6.5)33 (5.8)
Obesity (BMI ≥ 30 kg/m2)7 (1.8)16 (2.4)54 (5.1)71 (12.5)
Oral anticoagulants20 (5.2)42 (6.2)44 (4.1)12 (2.1)
Alcohol abuse (≥ 80 g/d)10 (2.6)25 (3.7)41 (3.8)18 (3.2)
Previous cerebral hemorrhage38 (9.8)20 (2.9)7 (0.7)1 (0.2)
Table 2 Comparison of demographic data, risk factors, neuroimaging findings and early outcome between stroke patients with intracerebral hemorrhage and cerebral infarctions (“Sagrat Cor Hospital of Barcelona Stroke Registry” period 1986-2004)[72] n (%)
VariableIntracerebral hemorrhage (n = 380)Cerebral infarction (n = 2082)
Age, yr, mean (SD)72.51 (12.55)74.97 (12.21)
Age, yr
< 6583 (21.8)329 (15.8)
65-74112 (29.5)521 (25.0)
75-84120 (31.6)808 (38.8)
≥ 8565 (17.1)424 (20.4)
Gender
Males199 (52.4)987 (47.4)
Females171 (47.6)1095 (52.6)
Lacunar syndromes36 (9.5)554 (31.4)
Hypertension233 (61.3)1126 (54.1)
Diabetes mellitus56 (14.7)471 (22.6)
Atrial fibrillation58 (15.3)609 (29.3)
COPD29 (7.6)166 (8.0)
Magnetic resonance imaging95 (25)656 (31.5)
Respiratory events45 (11.8)183 (8.8)
Symptom-free at discharge23 (6.1)382 (18.3)
In-hospital mortality107 (28.2)249 (12.0)
Transfer to a convalescence/rehabilitation unit64 (16.8)243 (11.7)
Length of stay, median (IQR)15 (8-26)12 (8-20)
Table 3 Cardiovascular risk factors in 2704 consecutive patients with cerebral infarction collected from the “Sagrat Cor Hospital of Barcelona Stroke Registry” according to the different stroke subtypes[7] n (%)
VariablesAtherothrombotic(n = 770)Lacunar(n = 773)Cardioembolic(n = 763)Undeterminedcause (n = 324)Unusual cause(n = 114)
Hypertension509 (66.1)b525 (71.6)b377 (49.4)b59 (18.2)b31 (27.2)b
Atrial fibrillation120 (15.6)b81 (11.1)b573 (75.1)b25 (7.7)b8 (7)b
Diabetes mellitus242 (31.4)b218 (29.7)b142 (18.6)d24 (7.4)b6 (5.3)b
Dyslipidemia164 (21.3)b166 (22.6)b88 (11.5)b52 (16)b10 (8.8)
Previous cerebral infarction164 (21.3)b117 (16)146 (19.1)31 (9.6)b10 (8.8)d
Ischemic heart disease150 (19.5)a104 (14.2)163 (21.4)b14 (4.3)b4 (3.5)b
History of transient ischemic attack116 (15.1)d80 (10.9)73 (9.6)a37 (11.4)11 (9.6)
Smoking (> 20 cigarettes/d)87 (11.3)a86 (11.7)b28 (3.7)b41 (12.7)b18 (6.9)
Chronic obstructive pulmonary disease74 (9.6)61 (8.3)62 (8.1)20 (6.2)6 (5.3)
Peripheral vascular disease100 (13)d57 (7.8)50 (6.6)3 (0.9)d4 (3.5)d
Heart valve disease11 (1.4)b21 (2.9)b130 (17)b6 (1.9)d6 (5.3)
Congestive heart failure43 (5.6)24 (3.3)d72 (9.4)b8 (2.5)d1 (0.9)a
Obesity (body mass index ≥ 30 kg/m2)36 (4.7)47 (6.4)b17 (2.2)d13 (4)5 (4.4)
Oral anticoagulants18 (2.3)a7 (1)b63 (8.3)b2 (0.6)b4 (3.5)
Alcohol abuse (> 80 g/d)26 (3.4)a21 (2.9)5 (0.7)a10 (3.1)4 (3.5)
Chronic liver disease17 (2.2)15 (2.1)15 (2)10 (3.1)0
Previous intracerebral hemorrhage9 (1.2)9 (1.2)7 (0.9)6 (1.9)1 (0.9)
Table 4 Results of multivariate analysis: cardiovascular risk factors independently associated with the different subtypes of ischemic infarction in 2704 consecutive patients with cerebral infarction collected from the “Sagrat Cor Hospital of Barcelona Stroke Registry”[7]
Odds ratio (95%CI)
Atherothrombotic infarction
Peripheral vascular disease2.28 (1.68-3.08)
Hypertension1.84 (1.53-2.2)
Diabetes mellitus1.66 (1.36-2.03)
Previous transient ischemic attack1.50 (1.16-1.95)
Chronic obstructive pulmonary disease1.41 (1.04-1.93)
Previous cerebral infarction1.40 (1.12-1.76)
Ischemic heart disease1.33 (1.06-1.68)
Atrial fibrillation0.36 (0.28-0.45)
Heart valve disease0.23 (0.12-0.43)
Lacunar infarction
Hypertension2.64 (2.19-3.20)
Diabetes mellitus1.55 (1.23-1.90)
Obesity (≥ 30 kg/m2)1.50 (1.01-2.25)
Oral anticoagulation0.37 (0.16-0.82)
Heart valve disease0.22 (0.17-0.28)
Cardioembolic
Atrial fibrillation20.01 (15.98-25.05)
Heart valve disease5.60 (3.60-8.71)
Ischemic heart disease2.09 (1.57-2.78)
Dyslipidemia0.69 (0.50-0.94)
Diabetes mellitus0.68 (0.52-0.89)
Hypertension0.67 (0.54-0.85)
Previous transient ischemic attack0.66 (0.46-0.95)
Smoking (> 20 cigarettes/d)0.54 (0.34-0.88)
Obesity (≥ 30 kg/m2)0.38 (0.20-0.73)
Undetermined cause
Hypertension0.12 (0.09-0.17)
Peripheral vascular disease0.13 (0.04-0.41)
Atrial fibrillation0.15 (0.10-0.23)
Diabetes mellitus0.21 (0.13-0.32)
Ischemic heart disease0.24 (0.13-0.42)
Heart valve disease0.34 (0.14-0.80)
Previous cerebral infarction0.61 (0.40-0.93)
Unusual cause
Atrial fibrillation0.15 (0.07-0.32)
Diabetes mellitus0.17 (0.07-0.38)
Ischemic heart disease0.21 (0.08-0.58)
Hypertension0.27 (0.18-0.42)
Table 5 Comparison of cardiovascular risk factors in lacunar infarction and in lacunar syndromes not due to lacunar infarcts[89] n (%)
DatosLacunar syndromes not due to lacunar infarctionLacunar infarctsP value
Total patients146733
Male sex82 (56.2)423 (57.7)0.73
Age, yr, mean ± SD72.9 (12.6)74.1 (10.2)0.285
Age ≥ 85 yr26 (17.8)110 (15.0)0.393
Risk factors
Hypertension107 (73.3)525 (71.6)0.683
Diabetes mellitus31 (21.2)218 (29.7)0.037
Heart valve disease10 (6.8)21 (2.9)0.017
Ischemic heart disease23 (15.8)104 (14.2)0.623
Atrial fibrillation44 (30.1)81 (11.1)0
Congestive heart failure4 (2.7)24 (3.3)0.737
Previous transient ischemic attack12 (8.2)80 (10.9)0.331
Previous cerebral infarction16 (11)117 (16)0.123
Head traumatism6 (4.1)6 (0.8)0.006
Peripheral vascular disease17 (11.6)57 (7.8)0.124
Obesity (BMI ≥ 30 kg/m2)8 (5.5)47 (6.4)0.671
Alcohol abuse (> 80 g/d)7 (4.8)21 (2.9)0.34
Smoking (> 20 cigarettes/d)19 (13)86 (11.7)0.663
Dyslipidemia29 (19.9)166 (22.6)0.46