ABRA Abdominal Closure System in Open Abdomen Management
For the last 20 to 30 years, damage control laparotomy and decompressive laparotomy have emerged as part of the armamentariums for treatment of complex abdominal trauma, abdominal compartment syndrome, and critically ill surgical patients with profound acidosis. While these advances have saved lives, they have also led to a dramatic increase in patients with open abdominal cavities. Various methods have been employed to offer protection to the viscera and at the same time, encourage gradual closure of the abdominal fascia. Some of the techniques have included the Bogota bag, vacuum pack described by Barker , Wittman patch , and the use of vacuum assisted fascia-closure, including the commercially available system offered by KCI. Overall, the abdominal closure rate is approximately 50% to 90% over an average of 10 days. Unfortunately, there has been no well-designed comparison study available. Some of the best results also require returning to the operating room every 3 to 5 days.
At the University of Kentucky Medical Center, a combination of the vacuum pack dressing described by Barker, the commercially available VAC system (V.A.C.; KCI International, San Antonio, TX) and vicryl mesh closure systems are used. The primary fascial closure rate is approximately 50%. It is not standard practice to take patients to the OR every 3-5 days routinely.
Recently, a new FDA listed system (ABRA by Canica) has been introduced using a progressive tension system as a novel approach to the management of open abdomen. ABRA provides a dynamic reduction of full thickness, severely retracted midline abdominal defects with the goal of maintaining or restoring the primary closure option. This subdermal method uses button anchors and elastomer to gradually pull the wound margins together. Tension can be set and adjusted according to the desired outcome; to stabilize a retracted wound, reduce the wound, close the wound or prevent wound dehiscence (Attachment 1: Company brochure). Currently there is only one published case report of the success of this device. We hope to be the first center to prospectively report a series of patients with open abdomen managed with the new ABRA system. In this study, this system will be used in combination with a standard therapy used in abdominal wound closure at the University of Kentucky Medical Center. This system is called the V.A.C system (V.A.C.; KCI International, San Antonio, Tx). This therapy provides active exudate management and containment, assists in reducing abdominal volume and adds structural stabilization to adipose tissue.
Although no highly powered study has been done to establish data on performance, individual experiences at several institutions have reached fascial closure rates of higher than 70% using the ABRA device. One institution in Las Vegas, Nevada is using the ABRA device in combination with the VAC system and has experienced 100% closure rate to date with 12 patients. The purpose of this study is to collect information about the ABRA system in combination with the VAC technique at the University of Kentucky Medical Center. It is our belief that using this system will improve the fascial closure rate and thereby produce less chance of hernia and reduce long periods of open abdominal wounds. The objective of the study is to evaluate a novel approach for closure of open abdomen utilizing the Canica ABRA system combined with the K.C.I. VAC System to KCI VAC System alone.
Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
ABRA Abdominal Closure System plus V.A.C., V.A.C. Therapy Alone
University of Kentucky Medical Center
University of Kentucky
Results (where available)
- Source: http://clinicaltrials.gov/show/NCT00754156
- Information obtained from ClinicalTrials.gov on July 15, 2010
Medical and Biotech [MESH] Definitions
Abdominal Wound Closure Techniques
Methods to repair breaks in abdominal tissues caused by trauma or to close surgical incisions during abdominal surgery.
A birth defect in which the URINARY BLADDER is malformed and exposed, inside out, and protruded through the ABDOMINAL WALL. It is caused by closure defects involving the top front surface of the bladder, as well as the lower abdominal wall; SKIN; MUSCLES; and the pubic bone.
A protrusion of abdominal structures through the retaining ABDOMINAL WALL. It involves two parts: an opening in the abdominal wall, and a hernia sac consisting of PERITONEUM and abdominal contents. Abdominal hernias include groin hernia (HERNIA, FEMORAL; HERNIA, INGUINAL) and VENTRAL HERNIA.
Prenatal interventions to correct fetal anomalies or treat FETAL DISEASES in utero. Fetal therapies include several major areas, such as open surgery; FETOSCOPY; pharmacological therapy; INTRAUTERINE TRANSFUSION; STEM CELL TRANSPLANTATION; and GENE THERAPY.
The tendency to perceive an incomplete pattern or object as complete or whole. This includes the Gestalt Law of Closure.
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