Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access
Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc
Journal website https://www.cardiologyres.org

Original Article

Volume 8, Number 5, October 2017, pages 199-205


In-Hospital Clinical Outcomes and Procedural Complications of Percutaneous Coronary Intervention in Elderly Patients

Figures

Figure 1.
Figure 1. Ratio of the frequency of coronary artery atherosclerosis in two age groups.
Figure 2.
Figure 2. Frequency of different manifestations of CAD in two age groups of the patients.

Tables

Table 1. Demographic and Clinical Characteristics of Patients Separately in the Two Age Groups
 
VariablesTotalAge < 70 yearsAge ≥ 70 yearsP-value
Number468374 (79.9%)94 (20.1%)-
Mean age60.01 ± 10.8455.93 ± 7.6476.28 ± 4.59< 0.0001
Male290 (62%)421 (64.4%)49 (52.1%)0.028
Blood pressure349 (74.69%)276 (74.0%)73 (77.7%)0.465
Dyslipidemia261 (55.8%)215 (57.6%)46 (48.9%)0.129
Diabetes189 (40.4%)153 (41.0%)36 (38.3%)0.631
Chronic renal failure53 (11.3%)30 (8.0%)23 (24.5%)< 0.0001
Smoking (current or previously)169 (36.3%)144 (38.5%)25 (26.6%)0.041
History of ICH1 (0.2%)0.001 (1.1%)0.201
History of CVA9 (1.9%)8 (2.1%)1 (1.1%)0.695
History of MI88 (18.8%)70 (18.7%)18 (19.1%)0.924
History of PCI50 (10.7%)41 (11.0%)9 (9.6%)0.697
History of CABG17 (3.6%)15 (4.0%)2 (2.1%)0.544
Heart failure32 (6.8%)20 (5.3%)12 (12.8%)0.011
Atrial fibrillation8 (1.7%)5 (1.3%)3 (3.2%)0.204
Cardiogenic shock5 (1.1%)5 (1.3%)0.000.588
LVEF46.98 ± 10.1747.62 ± 9.8244.41 ± 11.180.080
Left ventricular dysfunction105 (22.4%)75 (20.1%)30 (31.9%)0.014

 

Table 2. Manifestations of the Coronary Artery Disease and Method for Performing PCI
 
VariableTotalAge < 70 yearsAge ≥ 70 yearsP-value
Acute coronary syndrome282 (60.3%)218 (58.3%)64 (68.1%)-
Unstable angina126 (26.9%)96 (25.7%)30 (31.9%)
NSTEM71 (15.2%)57 (15.2%)14 (14.9%)0.316
STEM85 (18.2%)65 (17.4%)20 (21.3%)
Stable angina186 (39.7%)156 (41.7%)30 (31.9%)
SVD301 (64.3)251 (67.1%)50 (53.2%)
2VD124 (26.5)93 (24.9%)31 (33.0%)0.032
3VD43 (9.2%)30 (8.0%)13 (13.8%)
PCI method---
DES use461 (98.5%)370 (98.9%)91 (96.8%)0.148
BMS use7 (1.5%)4 (1.1%)3 (3.2%)

 

Table 3. Complications After PCI During Hospitalization
 
VariablesTotalAge < 70 yearsAge ≥ 70 yearsP-value
Uncomplicated455 (97.2%)371 (99.2%)84 (89.4%)
Long hospitalization5 (1.1%)0.005 (5.3%)0.0001
Contrast-induced kidney damage5 (1.1%)2 (0.5%)3 (3.2%)
ACS1 (0.2%)0.001 (1.1%)
Emergency revascularization with CABG1 (0.2%)1 (0.3%)0.00
Occurrence of death for any cause1 (0.2%)0.001 (1.1%)

 

Table 4. Multivariate Logistic Correlation Test for Practical Success of PCI
 
VariablesOR95% CIP-value
Aging (+70)0.000.000.999
Male0.370.03 - 3.930.416
Dyslipidemia2.810.23 - 34.020.416
Hypertension1.870.21 - 16.410.571
Diabetes mellitus0.810.10 - 6.060.838
History of CVA0.740.00 - 54.390.621
Smoking3.710.28 - 47.940.315
History of MI0.840.17 - 3.980.827
Arterial fibrillation0.020.00 - 0.540.018
Heart failure0.980.00 - 3.130.205
Multi-vessel coronary disease1.330.23 - 5.270.883
LV dysfunction4.140.17 - 9.990.381

 

Table 5. Results of Spearman Correlation Test of the Relationship of Each Variable With the Practical PCI Success
 
VariablePearson’s correlation coefficient (rs)P-value
Age (< 70 vs. ≥ 70)0.1320.004
Age (< 70 vs. ≥ 75)0.1900.000
Male gender0.0110.812
ACS0.0110.815
Cardiogenic shock0.0120.798
Dyslipidemia0.0140.771
Hypertension0.0210.648
Diabetes mellitus0.0220.633
Chronic kidney injury0.0410.379
Smoking0.0460.319
History of MI0.0060.893
History of CVI0.1220.008
History of ICH0.0050.909
Heart failure0.1200.010
Arterial fibrillation0.2780.000
LV dysfunction0.0300.521
History of PCI0.0390.395
History of CBAG0.0220.633
Injured coronary artery0.0370.430
PCI approach0.0140.762