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| ID | Type | Description | Link |
|---|---|---|---|
| 2023AH050848 | Other Grant/Funding Number | cientific Research Project of Colleges and Universities of Anhui Province |
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This study adopted a randomized, double-blind, placebo-controlled clinical trial design to evaluate the efficacy and safety of Zuoqing San fumigation and washing on the wound healing after anal fistula surgery.
A total of 60 patients who underwent anal fistula surgery at the Second Affiliated Hospital of Anhui University of Chinese Medicine from September 2024 to March 2025 were included. They were randomly divided into the experimental group (treated with Left Qing San fumigation and washing) and the control group (treated with placebo fumigation and washing) at a ratio of 1:1.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Study Group | Experimental | ZQS |
|
| control Group | Placebo Comparator | Control |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Solution of Zuoqing San for fumigation and washing of the postoperative wound of anal fistula | Drug | Left Qing San Decoction (25g of Cai Yin + 30g of Eucommia + 25g of Sophora flavescens + 25g of Anemarrhena asphodeloides + 15g of Lithospermum erythrorhizon, prepared in the Pharmacy Department of Anhui University of Traditional Chinese Medicine), add 1000mL of water, boil, then steam and wash the wound surface. The temperature is 40 ± 2℃. Do it once a day, for 15 minutes each time, for 7 consecutive days. |
| Measure | Description | Time Frame |
|---|---|---|
| Wound healing time | The number of days from the day after the operation until the wound surface is completely covered by epithelium (as observed by the naked eye, there is no exudation, and upon palpation, the scar is smooth). | From postoperative day 1 until wound healing is achieved (assessed daily during hospitalization and weekly after discharge, up to 8 weeks) |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Anhui university of Chinese Medicine | Hefei | Anhui | 230000 | China |
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Inclusion criteria**
1. **Western medical diagnostic criteria** (refer to "Surgery for Anorectal Diseases" 2018 edition):
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| Equal-volume placebo inhalation rinse | Other | Equal-volume placebo inhalation rinse |
|
| ID | Term |
|---|---|
| D012003 | Rectal Fistula |
| ID | Term |
|---|---|
| D007412 | Intestinal Fistula |
| D016154 | Digestive System Fistula |
| D004066 | Digestive System Diseases |
| D007410 | Intestinal Diseases |
| D005767 | Gastrointestinal Diseases |
| D012002 | Rectal Diseases |
| D005402 | Fistula |
| D020763 | Pathological Conditions, Anatomical |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D005651 | Fumigation |
| ID | Term |
|---|---|
| D003140 | Communicable Disease Control |
| D015980 | Public Health Practice |
| D011634 | Public Health |
| D004778 | Environment and Public Health |
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