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Interface Pressures Produced by Two Different Types of Lymphedema Therapy Devices

HN Mayrovitz, PhD, is Professor of Physiology, College of Medical Sciences, Nova Southeastern University, 3200 S University Dr, Ft Lauderdale, FL 33328 (USA)

Address all correspondence to Dr Mayrovitz at: mayrovit{at}nova.edu

Background and Purpose: Sequential compression is used to manage lymphedema, but little is known about pressures delivered to the therapeutic targets. This study characterized actual pressures delivered by a traditional compression pump (Lympha Press [LP]) and one using an alternate compression pattern (Flexitouch [FT]).

Subjects: Ten adults who were healthy volunteered to participate in the study.

Methods: Pressure-time along the forearm was measured using a 256–pressure sensor array during the pressure cycling of each device. Device assessments were separated by at least 48 hours.

Results: Pressure patterns and magnitudes produced by the 2 devices differed considerably. The FT pressure pattern displayed a rapid rise and fall, progressing from the wrist toward the elbow. The LP pressure rose slower and was sustained at a higher level during its inflation cycle. Pressures delivered with the LP were significantly greater than those delivered with the FT.

Discussion and Conclusion: The pressure patterns and magnitudes on treated limbs depend on the device. These differences should be considered before selecting a device for a specific patient.

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This article has been cited by other articles:

				H. N. Mayrovitz, D. Brown-Cross, B. L. Mayrovitz, and A. H. Golla Lymphedema: Role of Truncal Clearance as a Therapy Component Home Health Care Management Practice, August 1, 2009; 21(5): 325 - 337. [Abstract] [PDF]