Effect of cardiac rehabilitation care after coronary intervention on cardiac function recovery and negative mood in patients with myocardial infarction

Table 1 Baseline data of patients in the observed and control groups

Project	Observation group	Control group
Sex, n (%)
Man	44 (48.9)	43 (47.8)
Woman	46 (51.1)	47 (52.2)
Age, mean ± SD	36.26 ± 9.88	40.87 ± 10.5
BMI, mean ± SD	23.2 ± 2.84	22.88 ± 1.57
Marriage situation, n (%)
Married	62 (68.9)	59 (65.6)
Unmarried	28 (31.1)	31 (34.4)
Educational status, n (%)
Primary school	13 (14.4)	16 (17.8)
Middle school	32 (35.6)	35 (38.8)
University	45 (50)	39 (43.3)
F Hx, n (%)
Yes	4 (4.4)	2 (2.2)
Deny	86 (95.6)	88 (87.8)
Hospital admissions for myocardial infarction, n (%)
< 2	63 (70)	59 (65.6)
2-3	19 (21.1)	21 (23.3)
> 3	8 (8.9)	10 (11.1)

BMI: Body mass index.

Table 2 Clinical data of patients in the observation and control groups

Project	Observation group	Control group	t	P value
Total cholesterol (mmol/L)	4.1 ± 1.2	4.0 ± 1.4	0.514	0.608
Triglyceride (mmol/L)	1.6 ± 0.7	1.8 ± 0.6	-1.029	0.305
Lactate dehydrogenase (U/L)	385.6 ± 24.2	391.4 ± 18.4	-1.810	0.072
Creatine Phosphokinase (U/L)	174.5 ± 15.2	176.2 ± 18.4	-0.676	0.500
Creatine phosphokinase isozyme (%)	4.2 ± 1.1	3.9 ± 1.4	1.599	0.112
Transaminase (U/L)	45.2 ± 5.2	42.9 ± 4.9	0.753	0.003
α-Hydroxybutyrate dehydrogenase (U/L)	221.7 ± 20.5	226.1 ± 17.2	-1.560	0.121
Glutamaminase (U/L)	39.6 ± 9.6	43.1 ± 8.4	-2.603	0.010

Table 3 Comparison of cardiac function indicators between the two groups

Group	n	LVEDd (mm)		LVEF (%)
		Before nursing	After nursing	Before nursing	After nursing
Observation group	90	50.78 ± 6.14	62.04 ± 7.54a	37.27 ± 5.21	49.20 ± 6.27a
Control group	90	51.01 ± 5.58	59.11 ± 6.21a	37.56 ± 4.52	43.36 ± 5.74a
t		0.274	2.846	0.399	6.518
P value		0.664	0.005	0.690	0.00

^aP < 0.05.

LVEDd: Left ventricular end-diastolic diameter; LVEF: Left ventricular ejection fraction.

Table 4 Comparison of blood pressure before care and after follow-up in the two groups

Group	DBP		SBP		MAP
	Before nursing	After nursing	Before nursing	After nursing	Before nursing	After nursing
Control group	74.84 ± 3.63	85.32 ± 3.68a	112.59 ± 5.16	127.54 ± 6.39a	86.65 ± 5.13	98.64 ± 5.65a
Observation group	74.52 ± 3.45	79.62 ± 3.27a	113.47 ± 5.28	122.89 ± 6.79a	87.52 ± 5.02	93.65 ± 5.78a
t	0.796	10.984	1.131	4.731	1.150	5.857
P value	0.427	0.00	0.260	0.00	0.252	0.00

^aP < 0.05 compared with the same group.

DBP: Diastolic blood pressure; SBP: Systolic blood pressure; MAP: Mean arterial pressure.

Table 5 Comparison of 6-min walk test distance between two groups (mean ± SD, m)

Group	n	Before the intervention	After the intervention
Observation group	90	268.91 ± 14.63	354.91 ± 20.56a
Control group	90	266.84 ± 10.91	329.34 ± 22.19a
t		1.076	8.019
P value		0.283	0.00

^aP < 0.05.

Table 6 Comparison of the incidence of non-cardiac adverse events between the two groups

Group	n	Angina pectoris (%)	Arrhythmia (%)	Heart failure (%)	Incidence (%)
Observation group	90	4 (4.44)	3 (3.33)	2 (2.22)	9 (10)
Control group	90	6 (6.67)	6 (6.67)	4 (4.44)	16 (17.7)a

^aP < 0.05 compared with the control group.

χ² = 3.855, P = 0.039.

Table 7 Comparison of self-rating anxiety scale and self-rating depression scale score index before and after rehabilitation care in the two groups

Group	n	SAS grade		SDS grade
		Before nursing	After nursing	Before nursing	After nursing
Observation group	90	72.52 ± 6.25	57.66 ± 4.32a	79.04 ± 6.92	56.40 ± 5.16a
Control group	90	72.54 ± 6.74	62.25 ± 5.74a	78.56 ± 7.15	65.24 ± 5.81a
t		0.021	6.061	1.049	10.792
P value		0.984	0.00	0.648	0.00

^aP < 0.05 compared with the same group before care.

SAS: Self-rating anxiety scale; SDS: Self-rating depression scale.