- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06000371
Cutoff Value of Ankle Brachial Pressure Index for Vacuum Assisted Closure Application in Diabetic Foot Ulcers
Abstract Objective To verify cutoff value of ankle brachial pressure index at which diabetic foot ulcers get benefit from vacuum assisted closure application and to assess impact of its application on ankle brachial pressure index value in the presence of peripheral arterial disease.
Methods An observational descriptive prospective analytic study had been performed.56 patients were enrolled in the study. All patients had three sessions of vacuum-assisted closure application. Debridement was done when indicated. Ulcer dimensions were measured before and after each session, while ankle brachial pressure index was measured before the first session .
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Introduction Diabetes Mellitus (DM) is a chronic disease, which is considered a global public health problem that leads to major clinical, economic, social, and quality of patient life issues (1). 15% of diabetics will develop a diabetic foot ulcer (DFU) during their lifetime, which is an exceedingly expensive and disabling complication of diabetes mellitus. (2).
Assessment of foot perfusion is a crucial step in treatment of patients with DFU. The ankle-brachial pressure index (ABPI) is a simple, quick, non-invasive tool (3). The key elements of effective DFU management are clinical awareness, appropriate blood glucose levels, regular foot exams, therapeutic footwear that fits the patient, off-loading, local wound care, and the identification and treatment of osteomyelitis and ischemia (4).
Multiple adjuvant therapies have been studied to decrease DFU healing times and amputation rates. These therapies include negative pressure wound therapy (vacuum-assisted closure), non-surgical debridement agents, oxygen therapies, human growth factors, energy based therapies, and systemic therapies(5).Cellular and/ or tissue based product (CTPs) may result in higher average number of ulcer free months and lower average number of amputations and resections compared to standard of care (SOC) alone (6).
Negative pressure wound therapy (NPWT) is a non-invasive therapy that removes fluid from wounds, prepares the wound bed for closure, reduces edema, and promotes the creation and perfusion of granulation tissue by applying regulated negative pressure using a vacuum-assisted closure (VAC) device (7). NPWT is indicated in traumatic, acute wounds, sub-acute wounds (i.e. dehisced incisions), chronic open wounds (stasis ulcers and diabetic ulcers), pressure ulcers, flaps and meshed graft (8).
We conducted this this study to verify cutoff value of ABPI at which diabetic foot ulcers get benefit from VAC application.
Methods A single-center prospective observational study had been performed. Between March 2020 and May 2021, 56 patients with DFUs underwent VAC application in the Department of Vascular Surgery. The inclusion criteria consisted of the following: the patient ≥40 years with unhealed diabetic foot ulcers belonged to grade 1 or grade 2 (in both wound and infection categories of wound, ischemia and wound infection " WIFI classification) . Patients with immunocompromised status, varicose veins, chronic venous insuffiency, foot ulcers belonged to grade 3 (in both wound and infection categories of WIFI classification) . All patients who were involved in the study gave their written consent.
The patients were subjected to history taking including history of foot ulceration, amputation, symptoms of claudication, neurologic changes, vascular surgery and medical comorbidities. The site, shape, base and margins of the ulcer had been clinically examined. The clinical manifestations of infection including erythema, warmth, swelling, pain or tenderness were searched for. Proper neurological and vascular examination had been applied to all included feet. The following investigations were done: duplex U/S on arterial system (for all patients), X-ray (in case of suspected infected collections or osteomyelitis) and CT angiography (when duplex is inconclusive).
Procedure description:
Prior to VAC application, ABPI was measured and documented with using of Bistos hi dop vascular Doppler with 8MHZ probe (Bistos Co., Ltd. Galmachi-ro, Jungwon-gu, Seongnam-si, Gyeonggi-do, Korea) and mercurial sphygmomanometer (ALPK2, 300v velcro cuff, Japan) according to the procedure described by the American College of Cardiology (ACC) and the American Heart Association (AHA) guidelines (9) and ulcer was prepared by debridement of devitalized tissue, proper hemostasis and wound irrigation with saline .
Then, length, width and depth of the ulcer were measured by metal ruler and documented. The ulcer was gently filled with foam, ensuring that the foam was slightly above the ulcer edge. The drain was placed between foam layers. The drape was sized and trimmed to cover the entire ulcer as well as about 3-5 cm of intact skin around it. The drape shouldn't be stretched or under tension. Adhesive plaster was used at edges to maintain sealing and negative suction .
The dressing drain was attached to canister tube with opening the clamp. The suction pressure was adjusted at-120 mmHg with intermittent mode. If the patient experienced bleeding despite good hemostasis or pain that was not relieved by analgesics, pressure can be reduced by 10mmHg. Power button was pressed to turn on Smith& Nephew Renesys EZ plus NPWT device (Smith & Nephew Medical Ltd. Hull HU3 2BN, England. The patient was informed about steps of disconnection and maximum period of disconnection 2hours /day. Patient or his/her relative was informed about causes of alarm e.g. low pressure, full canister, line blockage and low battery and how to manage them.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Dakahlia
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Mansoura, Dakahlia, Egypt, 35511
- Mansoura University
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patient ≥40 years.
- Unhealed diabetic foot ulcers.
- Ulcers belonged to grade 1 or grade 2 (in both wound and infection categories "WIFI" classification) .
Exclusion Criteria:
- Immunocompromised patients.
- Patient with varicose veins and chronic venous insufficiency.
- Foot ulcers belonged to grade 3 (in both wound and infection categories of WIFI classification)
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Dimensions of diabetic foot ulcer (manual measurement of length, width and depth of the ulcer by metal ruler).
Time Frame: Up to3 weeks
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Change of dimensions of diabetic foot ulcers.
The higher values mean a worse outcome.
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Up to3 weeks
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Mansoura university, MU
Publications and helpful links
General Publications
- 1. Bonoto BC, de Araújo VE, Godói IP, de Lemos LLP, Godman B, Bennie M, et al. Efficacy of mobile apps to support the care of patients with diabetes mellitus: a systematic review and meta-analysis of randomized controlled trials. JMIR mHealth and uHealth. 2017;5(3):e4. 2. Yazdanpanah L, Nasiri M, Adarvishi S. Literature review on the management of diabetic foot ulcer. World journal of diabetes. 2015;6(1):37. 3. Hajibandeh S, Hajibandeh S, Shah S, Child E, Antoniou GA, Torella F. Prognostic significance of ankle brachial pressure index: a systematic review and meta-analysis. Vascular. 2017;25(2):208-24. 4. Mavrogenis AF, Megaloikonomos PD, Antoniadou T, Igoumenou VG, Panagopoulos GN, Dimopoulos L, et al. Current concepts for the evaluation and management of diabetic foot ulcers. EFORT open reviews. 2018;3(9):513-25. 5. Everett E, Mathioudakis N. Update on management of diabetic foot ulcers. Annals of the New York Academy of Sciences. 2018;1411(1):153. 6. Serena TE, Yaakov RA, Mostow EN. Use of Cellular and Tissue-based Product in the Treatment of Diabetic Foot Ulcers. The Journal of Foot and Ankle Surgery (Asia-Pacific). 2016;3(2):92-6. 7. Lone AM, Zaroo MI, Laway BA, Pala NA, Bashir SA, Rasool A. Vacuum-assisted closure versus conventional dressings in the management of diabetic foot ulcers: a prospective case-control study. Diabetic foot & ankle. 2014;5(1):23345. 8. Yadav S, Rawal G, Baxi M. Vacuum assisted closure technique: a short review. The Pan African Medical Journal. 2017;28. 9. Aboyans V, Criqui MH, Abraham P, Allison MA, Creager MA, Diehm C, et al. Measurement and interpretation of the ankle-brachial index: a scientific statement from the American Heart Association. Circulation. 2012;126(24):2890-909.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- MS.20.03.1083
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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