Chronic wound
Conditions
Interventions
experimental group:Using sodium carboxymethyl cellulose silver dressing (Aquacel ? Ag + Extra) for chronic wound dressing
control group:Using generation product on the hydrophilic fiber containing silver dressing (Aquacel AgExtra)
Sponsors
The First Affiliated Hospital of Sun Yat sen University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. The age of the patients who signed the informed consent was 364 days from 18 to 80 years old; 2. The patients diagnosed as chronic wounds can not recover more than 1 month after standard treatment; 3. The size of wound window is about 10-25cm2, and the specific site is unlimited, without bone invasion and bone exposure; 4. The patients with stable vital signs, no obvious symptoms of systemic infection and serious organ diseases, whose regular examination (blood routine, biochemical) shows that they can accept treatment; 5. The serum creatinine of patients with renal insufficiency was less than 3.0mg/dl; 6. The blood glucose of diabetic patients was well controlled, and the HbA1c was less than 12%; 7. Patients with ankle brachial index (ABI) between 0.7 and 1.3; 8. The patient is in good mental state, can follow the doctor's advice, and has regular follow-up; 9. Patients who understand and are willing to participate in this clinical trial and provide signed informed consent; 10. Patients without other serious diseases in conflict with the program.
Exclusion criteria
Exclusion criteria: Any of the following conditions shall not be included in this test: 1. Patients with serious uncontrolled diseases or advanced diseases, with serious heart, lung, brain and other serious organ diseases; 2. The existing diseases will affect the patients with wound healing (severe anemia (HB < 60g / L), hypoproteinemia (ALB < 25g / L), malignant tumor, autoimmune connective tissue disease, etc.); 3. Patients with radiation ulcer and malignant lesions at the ulcer; 4. Patients who are receiving radiotherapy or chemotherapy or taking hormone or immunosuppressant; 5. Patients with mental diseases or those who cannot cooperate with clinical trial personnel to complete relevant examinations; 6. Those who are allergic to the product and its related ingredients; 7. The researcher thinks it is not suitable to be included; 8. Being pregnant or breastfeeding, or planning to be pregnant or breastfeeding during the study period; 9. Those who are participating in or have participated in other clinical studies in the past 12 weeks; 10. Patients participated in the study at any time in the past.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Wound healing rate (28d); | — |
Countries
China
Contacts
Public ContactJiayuan Zhu
The First Affiliated Hospital of Sun Yat sen University
Outcome results
None listed