Cardiol Res

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 7, Number 4, August 2016, pages 146-151

The Impact of Different Plasma Glucose Levels on Heart Rate in Experimental Rats With Acute Myocardial Infarction

**Table 1.** The Results of TnI of the Different Groups
Groups	N	TnI
^aCompared with the sham groups, the AMI groups had a much higher TnI, which was statically significant (P < 0.05). MH: myocardial infarction high glucose level; MN: myocardial infarction normal glucose level; ML: myocardial infarction low glucose level; SH: sham-operated high glucose level; SN: sham-operated normal glucose level; SL: sham-operated low glucose level.
MH	8	77.97 ± 26.53^a
MN	10	72.49 ± 27.64^a
ML	13	69.93 ± 27.27^a
SH	11	2.88 ± 2.37
SN	12	2.04 ± 2.46
SL	7	2.45 ± 2.61
Total	61	38.22 ± 40.16

Table 1. The Results of TnI of the Different Groups

Groups

TnI

^aCompared with the sham groups, the AMI groups had a much higher TnI, which was statically significant (P < 0.05). MH: myocardial infarction high glucose level; MN: myocardial infarction normal glucose level; ML: myocardial infarction low glucose level; SH: sham-operated high glucose level; SN: sham-operated normal glucose level; SL: sham-operated low glucose level.

77.97 ± 26.53^a

72.49 ± 27.64^a

69.93 ± 27.27^a

2.88 ± 2.37

2.04 ± 2.46

2.45 ± 2.61

Total

38.22 ± 40.16

**Table 2.** The Blood Glucose Levels of the Different Groups
Groups	N	Before the operation	N	After the operation	N	Before the death
^aCompared with the normal and low blood glucose groups, the high blood glucose group had a higher blood glucose levels, which was statically significant (P < 0.05). ^bCompared with the normal and high blood glucose group, the low blood glucose groups had a lower blood glucose levels, which was statically significant (P < 0.05). MH: myocardial infarction high glucose level; MN: myocardial infarction normal glucose level; ML: myocardial infarction low glucose level; SH: sham-operated high glucose level; SN: sham-operated normal glucose level; SL: sham-operated low glucose level.
MH	11	17.71 ± 1.99^a	10	18.87 ± 9.37^a	11	6.36 ± 0.74
MN	13	7.68 ± 4.93	10	9.16 ± 6.30	10	6.19 ± 0.45
ML	15	3.13 ± 0.41^b	15	4.50 ± 5.31^b	2	6.40 ± 0.14
SH	12	17.66 ± 2.56^a	11	21.20 ± 8.75^a	11	6.15 ± 0.76
SN	12	6.48 ± 0.94	12	7.64 ± 0.80	9	6.66 ± 0.50
SL	16	3.41 ± 0.28^b	13	6.09 ± 3.95^b	17	6.30 ± 0.71
Total	79	8.60 ± 6.46	71	10.59 ± 8.76	60	6.32 ± 0.65

Table 2. The Blood Glucose Levels of the Different Groups

Groups

Before the operation

After the operation

Before the death

^aCompared with the normal and low blood glucose groups, the high blood glucose group had a higher blood glucose levels, which was statically significant (P < 0.05). ^bCompared with the normal and high blood glucose group, the low blood glucose groups had a lower blood glucose levels, which was statically significant (P < 0.05). MH: myocardial infarction high glucose level; MN: myocardial infarction normal glucose level; ML: myocardial infarction low glucose level; SH: sham-operated high glucose level; SN: sham-operated normal glucose level; SL: sham-operated low glucose level.

17.71 ± 1.99^a

18.87 ± 9.37^a

6.36 ± 0.74

7.68 ± 4.93

9.16 ± 6.30

6.19 ± 0.45

3.13 ± 0.41^b

4.50 ± 5.31^b

6.40 ± 0.14

17.66 ± 2.56^a

21.20 ± 8.75^a

6.15 ± 0.76

6.48 ± 0.94

7.64 ± 0.80

6.66 ± 0.50

3.41 ± 0.28^b

6.09 ± 3.95^b

6.30 ± 0.71

Total

8.60 ± 6.46

10.59 ± 8.76

6.32 ± 0.65

**Table 3.** The Heart Rate of the Different Groups
Groups	N	Before the operation	N	After the operation	N	Before the death
^aCompared with the MN and ML groups, the MH group had a much faster heart rate, which was statically significant (P < 0.05); also, the MH group had a much faster heart rate than before, which was statically significant (P < 0.05). ^bCompared with the SL group, the ML group had a lower heart rate, which was statically significant (P < 0.05). MH: myocardial infarction high glucose level; MN: myocardial infarction normal glucose level; ML: myocardial infarction low glucose level; SH: sham-operated high glucose level; SN: sham-operated normal glucose level; SL: sham-operated low glucose level.
MH	11	426.36 ± 32.13	11	443.55 ± 43.77^a	10	484.70 ± 23.59
MN	12	433.50 ± 31.00	12	403.25 ± 81.58	12	426.67 ± 125.25
ML	15	427.00 ± 42.00	15	403.00 ± 36.24	15	453.73 ± 35.79
SH	11	383.18 ± 40.81	10	404.20 ± 32.30	12	425.33 ± 123.43
SN	12	417.42 ± 43.34	12	419.17 ± 39.88	11	466.64 ± 41.52
SL	17	435.47 ± 37.51	16	437.88 ± 22.15^b	17	460.53 ± 38.59
Total	78	422.10 ± 40.68	76	418.96 ± 47.09	77	452.45 ± 75.63

Table 3. The Heart Rate of the Different Groups

Groups

Before the operation

After the operation

Before the death

^aCompared with the MN and ML groups, the MH group had a much faster heart rate, which was statically significant (P < 0.05); also, the MH group had a much faster heart rate than before, which was statically significant (P < 0.05). ^bCompared with the SL group, the ML group had a lower heart rate, which was statically significant (P < 0.05). MH: myocardial infarction high glucose level; MN: myocardial infarction normal glucose level; ML: myocardial infarction low glucose level; SH: sham-operated high glucose level; SN: sham-operated normal glucose level; SL: sham-operated low glucose level.

426.36 ± 32.13

443.55 ± 43.77^a

484.70 ± 23.59

433.50 ± 31.00

403.25 ± 81.58

426.67 ± 125.25

427.00 ± 42.00

403.00 ± 36.24

453.73 ± 35.79

383.18 ± 40.81

404.20 ± 32.30

425.33 ± 123.43

417.42 ± 43.34

419.17 ± 39.88

466.64 ± 41.52

435.47 ± 37.51

437.88 ± 22.15^b

460.53 ± 38.59

Total

422.10 ± 40.68

418.96 ± 47.09

452.45 ± 75.63

**Table 4.** The Heart Rate Before the Operations
Groups	N	Blood glucose
^aCompared with the rats with the high and normal blood glucose, the rats with low blood glucose had a more fast heart rate, which was statically significant (P < 0.05). H: high glucose level; N: normal glucose level; L: low glucose level.
H	22	404.77 ± 42.105
N	24	425.46 ± 37.753
L	32	431.50 ± 39.235^a
Total	78	422.10 ± 40.682

Table 4. The Heart Rate Before the Operations

Groups

Blood glucose

^aCompared with the rats with the high and normal blood glucose, the rats with low blood glucose had a more fast heart rate, which was statically significant (P < 0.05). H: high glucose level; N: normal glucose level; L: low glucose level.

404.77 ± 42.105

425.46 ± 37.753

431.50 ± 39.235^a

Total

422.10 ± 40.682