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Abstract
Objective: To review existing literature that examines physiological mechanisms and clinical effects of different types of pneumatic compression (PC) therapy in the treatment of chronic wounds.
Methods: Electronic databases were searched using intermittent, sequential, cardiosynchronous, pneumatic, compression, ulcer, wound, healing, and treatment as key words. All clinical studies were included provided the study subjects had chronic wounds, the treatment included PC, and wound healing was a measured outcome. Original clinical reports investigating the physiological effects of PC were also retrieved and reviewed.
Results: There is a strong physiological basis behind the use of PC for improving venous and arterial circulation. Six randomised controlled trials (RCTs) have compared the effect of PC to compression therapy or standard wound care on the healing of venous ulcers. However, these RCTs have produced conflicting results. One recent controlled clinical trial reported significantly improved healing and reduced amputation rate of people with chronic arterial ulcers. A well designed RCT also demonstrated greater oedema reduction and faster healing of diabetic foot ulcers compared to sham controls. Research is emerging to delineate optimal treatment protocols.
Conclusion: PC may be a valuable adjunct to aid in the treatment of individuals with venous, arterial, and diabetic ulcers. It should be considered for those people who are not compliant with compression bandaging or those at risk of limb amputation.