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Weidong Wang
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Background: General anesthesia can affect intestinal function, but there is no objective, practical and effective indicator to evaluate the inhibition and recovery of intestinal function. The main objectives of this study were to assess whether bowel sounds (BSs) changed before, immediately after and 3 hours after general anesthesia, and whether these changes in BSs are an effective indicator of intestinal function and an accurate guide for post-operative feeding.
Methods: We randomly selected 26 inpatients and collected three sets of 5-minute continuous BS data before the operation (Pre-op), immediately after the operation (Pro-op) and three hours after the operation (3h-Pro-op) for each patient. Then the linear and nonlinear characteristic values (CVs) of each effective bowel sound were extracted and paired t-tests and rank-sum tests were used to evaluate the changes in the BSs.
Results: The differences in CVs, between Pre-op and Pro-op, as well as between Pro-op and 3h-Pro-op, were statistically significant (p <0.05). However, there is no statistically significant differences between all the CVs between Pre-op and 3h-Pro-op (p >0.05).
Conclusion: BSs changes before and after general anesthesia. Furthermore, the BSs are weakened due to general anesthesia and recover to the pre-op state three hours later. Therefore, the BSs can be an indicator of intestinal function under general anesthesia, so as to provide guidance for postoperative feeding, which is of considerable clinical significance.
Keywords
Bowel sounds, General anesthesia, Intestinal function
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CURRENT STATUS: Published
View the published article at BioMedical Engineering OnLine.
Version 4
Posted 24 Jul, 2020
No community comments so far
Editorial decision: Accept
On 23 Jul, 2020
Editor assigned
On 20 Jul, 2020
Submission checks complete
On 19 Jul, 2020
Editor invited
On 19 Jul, 2020
No comments provided
Editorial decision: Minor revision
On 09 Jul, 2020
Reviewer #2 agreed
On 07 Jul, 2020
Review #2 received
Received 07 Jul, 2020
Reviewer #1 agreed
On 26 Jun, 2020
Review #1 received
Received 26 Jun, 2020
Reviewers invited
Invitations sent on 25 Jun, 2020
Editor assigned
On 23 Jun, 2020
Submission checks complete
On 22 Jun, 2020
Editor invited
On 22 Jun, 2020
No comments provided
Editorial decision: Major revision
On 26 May, 2020
Review #1 received
Received 22 May, 2020
Review #2 received
Received 20 May, 2020
Reviewer #2 agreed
On 04 May, 2020
Reviewer #3 agreed
On 04 May, 2020
Reviewer #1 agreed
On 03 May, 2020
Reviewers invited
Invitations sent on 22 Apr, 2020
Editor assigned
On 16 Apr, 2020
Submission checks complete
On 15 Apr, 2020
Editor invited
On 15 Apr, 2020
No comments provided
Editor assigned
On 10 Apr, 2020
Editorial decision: Revise before peer review
On 10 Apr, 2020
First submitted
On 09 Apr, 2020
Submission checks complete
On 09 Apr, 2020
Editor invited
On 09 Apr, 2020
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A new preprint design is coming!
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See the published version of this preprint at BioMedical Engineering OnLine.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research
Weidong Wang
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at BioMedical Engineering OnLine.
Version 4
Posted 24 Jul, 2020
No community comments so far
Editorial decision: Accept
On 23 Jul, 2020
Editor assigned
On 20 Jul, 2020
Submission checks complete
On 19 Jul, 2020
Editor invited
On 19 Jul, 2020
No comments provided
Editorial decision: Minor revision
On 09 Jul, 2020
Reviewer #2 agreed
On 07 Jul, 2020
Review #2 received
Received 07 Jul, 2020
Reviewer #1 agreed
On 26 Jun, 2020
Review #1 received
Received 26 Jun, 2020
Reviewers invited
Invitations sent on 25 Jun, 2020
Editor assigned
On 23 Jun, 2020
Submission checks complete
On 22 Jun, 2020
Editor invited
On 22 Jun, 2020
No comments provided
Editorial decision: Major revision
On 26 May, 2020
Review #1 received
Received 22 May, 2020
Review #2 received
Received 20 May, 2020
Reviewer #2 agreed
On 04 May, 2020
Reviewer #3 agreed
On 04 May, 2020
Reviewer #1 agreed
On 03 May, 2020
Reviewers invited
Invitations sent on 22 Apr, 2020
Editor assigned
On 16 Apr, 2020
Submission checks complete
On 15 Apr, 2020
Editor invited
On 15 Apr, 2020
No comments provided
Editor assigned
On 10 Apr, 2020
Editorial decision: Revise before peer review
On 10 Apr, 2020
First submitted
On 09 Apr, 2020
Submission checks complete
On 09 Apr, 2020
Editor invited
On 09 Apr, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at BioMedical Engineering OnLine.
Background: General anesthesia can affect intestinal function, but there is no objective, practical and effective indicator to evaluate the inhibition and recovery of intestinal function. The main objectives of this study were to assess whether bowel sounds (BSs) changed before, immediately after and 3 hours after general anesthesia, and whether these changes in BSs are an effective indicator of intestinal function and an accurate guide for post-operative feeding.
Methods: We randomly selected 26 inpatients and collected three sets of 5-minute continuous BS data before the operation (Pre-op), immediately after the operation (Pro-op) and three hours after the operation (3h-Pro-op) for each patient. Then the linear and nonlinear characteristic values (CVs) of each effective bowel sound were extracted and paired t-tests and rank-sum tests were used to evaluate the changes in the BSs.
Results: The differences in CVs, between Pre-op and Pro-op, as well as between Pro-op and 3h-Pro-op, were statistically significant (p <0.05). However, there is no statistically significant differences between all the CVs between Pre-op and 3h-Pro-op (p >0.05).
Conclusion: BSs changes before and after general anesthesia. Furthermore, the BSs are weakened due to general anesthesia and recover to the pre-op state three hours later. Therefore, the BSs can be an indicator of intestinal function under general anesthesia, so as to provide guidance for postoperative feeding, which is of considerable clinical significance.
Figure 1
Figure 2
This is a list of supplementary files associated with this preprint. Click to download.
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