Page 7 - Peer Reviewed Laparoscopic Jornal

WJOLS

Effect of Different Carbon Dioxide Pressure Gradients in Capnoperitoneum for Laparoscopic Examination in Dogs

was recorded in any group at any time interval. Mean ± SE at 30 minutes after CP and it continued up to 120 minutes.
values of partial pressure of carbon dioxide (pCO ) in the Mean ± SE values of base excess (BE-B) in the animals of
2
animals of different groups are presented in Figure 4. three groups are presented in Table 8. No significant
Comparison among three groups revealed no significant (p > 0.05) changes were observed at any time interval within
variation among the mean values, in respect to different a group or between the groups. Mean ± SE values of sodium,
time intervals. Mean ± SE values of partial pressure of potassium and chloride in animals of three groups are
oxygen (pO ) in the animals of different groups are presented in Table 9. No significant (p > 0.05) changes
2
presented in Figure 5. In all the animals of the three groups were observed at any time interval within a group or between
a nonsignificant (p > 0.05) decrease of pO were recorded the groups.
2

Table 4: Mean ± SE of QRS complex (amplitude and duration) recorded at different time intervals
Groups Before anesthesia After anesthesia Time intervals after establishment of capnoperitoneum
30 mins 60 mins 120 mins 24 hrs
Amplitude (mV)
A 0.975 ± 0.189 1.112 ± 0.198 1.087 ± 0.25 1.025 ± 0.221 1.075 ± 0.221 1.025 ± 0.193
B 1.075 ± 0.048 1.275 ± 0.048 1.313 ± 0.148 1.225 ± 0.184 1.325 ± 0.103 0.887 ± 0.174
C 0.900 ± 0.141 0.988 ± 0.238 0.975 ± 0.149 0.901 ± 0.119 0.850 ± 0.137 0.925 ± 0.165
Duration (seconds)
A 0.042 ± 0.006 0.040 ± 0.004 0.045 ± 0.005 0.045 ± 0.006 0.040 ± 0.004 0.042 ± 0.006
B 0.048 ± 0.005 0.043 ± 0.005 0.053 ± 0.003 0.043 ± 0.003 0.045 ± 0.003 0.0043 ± 0.005
C 0.050 ± 0.005 0.052 ± 0.002 0.055 ± 0.006 0.052 ± 0.006 0.048 ± 0.002 0.048 ± 0.004

Table 5: Mean ± SE of T-wave (amplitude and duration) recorded at different time intervals
Groups Before anesthesia After anesthesia Time intervals after establishment of capnoperitoneum
30 mins 60 mins 120 mins 24 hrs
Amplitude (mV)
A 0.231 ± 0.034 0.268 ± 0.101 0.212 ± 0.051 0.262 ± 0.055 0.162 ± 0.037 0.225 ± 0.032
B 0.138 ± 0.038 0.388 ± 0.065 0.350 ± 0.106 0.275 ± 0.032 0.288 ± 0.075 0.363 ± 0.103
C 0.150 ± 0.029 0.225 ± 0.014 0.387 ± 0.208 0.512 ± 0.231 0.225 ± 0.043 0.175 ± 0.025
Duration (seconds)
A 0.045 ± 0.002 0.070 ± 0.010 0.057 ± 0.010 0.070 ± 0.017 0.045 ± 0.012 0.060 ± 0.000
B 0.045 ± 0.005 0.065 ± 0.009 0.077 ± 0.023 0.075 ± 0.035 0.073 ± 0.018 0.050 ± 0.009
C 0.057 ± 0.010 0.055 ± 0.013 0.075 ± 0.042 0.075 ± 0.022 0.045 ± 0.008 0.058 ± 0.010

Table 6: Mean ± SE of different intervals (seconds) on electrocardiograph recorded at different time intervals
Groups Before anesthesia After anesthesia Time intervals after establishment of capnoperitoneum
30 mins 60 mins 120 mins 24 hrs
RR interval
A 0.480 ± 0.120 0.670 ± 0.174 0.735 ± 0.152 0.745 ± 0.085 0.756 ± 0.144 0.430 ± 0.099
B 0.525 ± 0.075 0.568 ± 0.148 0.639 ± 0.042 0.763 ± 0.106 0.854 ± 0.054 0.545 ± 0.069
C 0.485 ± 0.100 0.715 ± 0.098 0.746 ± 0.068 0.488 ± 0.184 0.512 ± 0.106 0.490 ± 0.070
PR interval
A 0.090 ± 0.005 0.127 ± 0.013 0.110 ± 0.012 0.085 ± 0.005 0.097 ± 0.014 0.090 ± 0.005
B 0.095 ± 0.006 0.105 ± 0.006 0.105 ± 0.009 0.098 ± 0.008 0.103 ± 0.006 0.078 ± 0.006
C 0.085 ± 0.011 0.100 ± 0.015 0.113 ± 0.017 0.100 ± 0.014 0.085 ± 0.006 0.108 ± 0.015
ST interval
A 0.052 ± 0.007 0.045 ± 0.013 0.080 ± 0.023 0.080 ± 0.016 0.063 ± 0.01 0.050 ± 0.012
B 0.065 ± 0.009 0.063 ± 0.008 0.075 ± 0.022 0.070 ± 0.024 0.100 ± 0.02 0.070 ± 0.006
C 0.040 ± 0.014 0.055 ± 0.015 0.059 ± 0.019 0.052 ± 0.017 0.053 ± 0.011 0.040 ± 0.008
QT interval
A 0.165 ± 0.017 0.185 ± 0.005 0.245 ± 0.059 0.205 ± 0.013 0.178 ± 0.006 0.185 ± 0.009
B 0.180 ± 0.016 0.200 ± 0.016 0.233 ± 0.024 0.218 ± 0.024 0.240 ± 0.022 0.170 ± 0.007
C 0.162 ± 0.016 0.190 ± 0.023 0.212 ± 0.024 0.227 ± 0.016 0.165 ± 0.003 0.175 ± 0.017
World Journal of Laparoscopic Surgery, May-August 2013;6(2):53-62 57