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Updated: Jul 29, 2025
06:45
Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems
Published on: May 2, 2025
469
Negative pressure wound therapy for treating pressure ulcers.
Jiyuan Shi1, Ya Gao2, Jinhui Tian2
1School of nursing, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
The Cochrane Database of Systematic Reviews
|May 26, 2023
Summary
The effectiveness of negative pressure wound therapy (NPWT) for pressure ulcers is uncertain due to limited, low-certainty evidence from small trials. More high-quality research is needed to confirm its benefits for wound healing and safety.
Area of Science:
- Wound healing research
- Clinical effectiveness studies
- Medical device evaluation
Background:
- Pressure ulcers (bedsores) are localized tissue damage from prolonged pressure.
- Negative pressure wound therapy (NPWT) is used for pressure ulcers, but its efficacy requires clarification.
- This review updates previous findings on NPWT for pressure ulcers.
Purpose of the Study:
- To evaluate the effectiveness of NPWT in treating pressure ulcers in adults.
- To compare NPWT with alternative treatments or different NPWT modalities.
- To assess the impact of NPWT on wound healing and adverse events.
Main Methods:
- Systematic review and meta-analysis of randomized controlled trials (RCTs).
- Searched multiple databases (Cochrane, MEDLINE, Embase, CINAHL) and trial registries.
- Included 8 RCTs with 327 participants; assessed risk of bias and certainty of evidence using GRADE.
Main Results:
- Evidence for NPWT effectiveness in pressure ulcer treatment is of very low certainty.
- Included studies were small, had high risk of bias, and limited usable outcome data.
- No significant difference in healing or adverse events was found between NPWT and dressings due to insufficient data.
Conclusions:
- The efficacy and safety of NPWT for pressure ulcers remain uncertain.
- Current evidence is limited by small sample sizes, high bias, and short follow-up.
- High-quality RCTs with robust reporting are needed to determine NPWT's true value.
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