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| Name | Class |
|---|---|
| The First Affiliated Hospital of Zhengzhou University | OTHER |
| Shapingba People's Hospital of Chongqing University | UNKNOWN |
| The 3rd. Affiliated Hospital of Chongqing Medical University | UNKNOWN |
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To investigate the effect of noise isolation during general anesthesia on the incidence of moderate to severe postoperative pain in patients undergoing major abdominal surgery. The aim of this study was to determine whether noise isolation can reduce the Incidence of moderate to severe postoperative pain and analgesic use.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Noise-canceling Group | Experimental | Intraoperative intervention with noise-canceling earphones was performed to isolate the noise |
|
| Control Group | No Intervention | After general anesthesia, the intervention of wearing noise-canceling earphones was not given |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Wear noise-cancelling earphones | Device | Intervention of wearing noise-canceling earphones after general anesthesia |
|
| Measure | Description | Time Frame |
|---|---|---|
| The incidence of moderate to severe postoperative pain | Moderate to severe postoperative pain：NRS score ≥ 4 (Pain was assessed using NRS scale of 0-10, with 0 being no pain and 10 being most painful) | From ending of the surgery to 24 hours postoperatively |
| Measure | Description | Time Frame |
|---|---|---|
| Patient controlled analgesia pump analgesic consumption | Analgesic requirements was assessed by recording the volume of patient controlled analgesia pump | From the time when the surgery was completed until to 24 hours after surgery |
| Patient controlled analgesia pump analgesic consumption |
| Measure | Description | Time Frame |
|---|---|---|
| Pain score (NRS score) at 0-6 hours postoperatively | NRS score: Pain was assessed on a scale of 0-10, with 0 being no pain and 10 being most painful | From ending of the surgery to 6 hours postoperatively |
| Pain score (NRS score) at 6-12 hours postoperatively |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Guangyou Duan, Doctor | Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University | Chongqing | Chongqing Municipality | 400010 | China |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 42206821 | Derived | Xu F, Chen D, Wang C, Yang Y, Wu Y, You S, Duan G. Effect of noise isolation during general anaesthesia on the incidence of moderate-to-severe pain after major abdominal surgery: multicentre randomized clinical study. BJS Open. 2026 May 12;10(3):zrag035. doi: 10.1093/bjsopen/zrag035. |
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The individual participant data for this study is available from the sponsor on reasonable request through email
Five years after the study
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| ID | Term |
|---|---|
| D010149 | Pain, Postoperative |
| ID | Term |
|---|---|
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010146 | Pain |
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| Chongqing Hechuan District People's Hospital | UNKNOWN |
| Chongqing Qijiang District People's Hospital | UNKNOWN |
| ChongGang General Hospital | UNKNOWN |
Patients were randomly divided into intervention group（noise blocking） and control group（No noise blocking）
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Analgesic requirements was assessed by recording the volume of patient controlled analgesia pump |
| From the time when the surgery was completed until to 48 hours after surgery |
| The incidence of additional analgesic requirements | the percentage of patients who received additional analgesic out of the total number of patients in the group | From the time when the surgery was completed until to 48 hours after surgery |
| Maximum pain score (NRS score) at 0-48 hours postoperatively | NRS score: Pain was assessed on a scale of 0-10, with 0 being no pain and 10 being most painful | From ending of the surgery to 48 hours postoperatively |
| The incidence of moderate to severe postoperative pain | Moderate to severe postoperative pain：NRS score ≥ 4 (Pain was assessed using NRS scale of 0-10, with 0 being no pain and 10 being most painful) | From ending of the surgery to 48 hours postoperatively |
| Accumulative postoperative pain NRS | Accumulative NRS score (Pain was assessed using NRS scale of 0-10, with 0 being no pain and 10 being most painful) at 6, 12, 24 and 48 hours after surgery | From ending of the surgery to 48 hours postoperatively |
NRS score: Pain was assessed on a scale of 0-10, with 0 being no pain and 10 being most painful
| From ending of the surgery to 12 hours postoperatively |
| Pain score (NRS score) at 12-24 hours postoperatively | NRS score: Pain was assessed on a scale of 0-10, with 0 being no pain and 10 being most painful | From 12 hours postoperatively to 24 hours postoperatively |
| Pain score (NRS score) at 24-48 hours postoperatively | NRS score: Pain was assessed on a scale of 0-10, with 0 being no pain and 10 being most painful | From 24 hours postoperatively to 48 hours postoperatively |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |