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Osteoarthritis, HipAquamantysNCT01583465

Efficacy of Aquamantys for Reducing Transfusions With Anterior Supine Intermuscular Approach Total Hip Arthroplasty

A study testing Aquamantys and standard electrocautery (Bovie) in people with Osteoarthritis, Hip and Joint Deformities, Acquired, run by Joint Implant Surgeons, Inc. at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to establish whether or not there is a clinical advantage to the use of Aquamantys® System from Medtronic Advanced Energy (formerly Salient Surgical Technologies) in patients undergoing primary total hip arthroplasty via the anterior supine intermuscular surgical approach in terms of blood… Read more about this study

Who is it for?
Any age
What is being tested?
Aquamantys and standard electrocautery (Bovie)
Could I receive a placebo?
No, everyone receives an active treatment
How many people
200 participants
Where
1 siteUnited States
Study dates
Oct 2009to Sep 2011
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • Undergoing primary unilateral total hip arthroplasty via the anterior supine intermuscular approach
  • Patient is willing and able to complete all follow-up visits at 6 weeks and 1 year

Who cannot join

  • Patients with pre-existing known coagulopathy
  • Patients on chronic Coumadin (Warfarin) therapy
  • Patients receiving erythropoietin therapy for anemia

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Joint Implant Surgeons, Inc.

    New Albany, Ohio, 43054

Other trials in United States

About this study

Official title: Open Label, Randomized, Blinded Study to Evaluate the Efficacy of Aquamantys System for Reducing the Transfusion Requirements Associated With the Anterior-Supine Intermuscular (ASI) Approach for Total Hip Arthroplasty (THA)

The purpose of this study is to establish whether or not there is a clinical advantage to the use of Aquamantys® System from Medtronic Advanced Energy (formerly Salient Surgical Technologies) in patients undergoing primary total hip arthroplasty via the anterior supine intermuscular surgical approach in terms of blood loss, transfusion and wound healing. Wound healing will be assessed by a blinded observer and based upon a simple and subjective criteria: a) as expected, b) better than expected or c) worse than expected. The blinded observer is experienced in the care of the surgical patient and wound evaluation.

Read the detailed description

To establish in a randomized, blinded study whether or not there is a clinical advantage to the use of Aquamantys® System from Medtronic Advanced Energy (formerly Salient Surgical Technologies) in patients undergoing primary total hip arthroplasty via the anterior supine intermuscular surgical approach in terms of blood loss, transfusion and wound healing based on early collected data. Data will be analyzed using StatsDirect in standard fashion to elucidate any difference between control and treatment groups. Wound healing will be assessed by a blinded observer and based upon a simple and subjective criteria: a) as expected, b) better than expected or c) worse than expected. The blinded observer is experienced in the care of the surgical patient and wound evaluation.

Being tested
Aquamantys, standard electrocautery (Bovie)
Keywords
randomized controlled trial, Blood loss, surgical, Blood loss, postoperative, Wound healing
Medical subject headings
Osteoarthritis, Hip, Joint Deformities, Acquired, Hip Dislocation, Congenital, Osteonecrosis, Arthritis, Rheumatoid, Blood Loss, Surgical, Postoperative Hemorrhage

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • AquamantysDevice

    Also called Aquamantys Malleable Bipolar Sealer with Light, 21 CFR 878.4400, Electrosurgery Bipolar Sealer

    Primary THA via the ASI approach will be performed using the Aquamantys Malleable Bipolar Sealer. The Aquamantys is a bipolar device that combines radio-frequency energy and saline to gently reach targeted tissue and provide a biomechanical seal. The saline acts as a conduit to allow the energy to penetrate the tissue from 1 to 2 mm where the collagen is transformed thus providing the seal. The saline also helps cool the tissue which allows for gentle handling of tissue, eliminating the black char that is a port for infection. The surgeon uses the Aquamantys to assist in tissue dissection, cauterize vessels, and to pre-treat fat pad in front of capsule prior to excision, to treat the entire anterior hip capsule prior to excision, treat oozing bone surfaces not covered by an implant.

  • standard electrocautery (Bovie)Device

    Also called electrocautery, Bovie

    Primary total hip arthroplasty via an anterior supine intermuscular approach will be performed with the assistance of standard electrocautery. The electrocautery is used in tissue dissection and to cauterize bleeding vessels.

Study groups in NCT01583465
Study groupRoleWhat they receive
Aquamantys Malleable Bipolar SealerExperimentalIn 100 patients randomly assigned, primary total hip arthroplasty via an anterior supine intermuscular approach will be performed with the assistance of the Aquamantys Malleable Bipolar Sealer with Light.
Receives: Device: Aquamantys
Standard TreatmentActive comparator100 patients randomly assigned will undergo primary total hip arthroplasty via the anterior supine intermuscular approach performed with the assistance of standard electrocautery.
Receives: Device: standard electrocautery (Bovie)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Perioperative Change in Hemoglobin Level

    All patients will undergo routine lab work perioperatively. No additional studies will be necessary for this protocol. Hemoglobin level will be first measured preoperatively at the time of preadmission testing, which must be performed not more than 30 days prior to surgery, and then measured on postoperative day one. The two levels will be compared to assess the decrease in hemoglobin level resulting from the surgical intervention.

    Measured: From up to 30 days preoperative through postoperative day 1

  2. Perioperative Blood Transfusion Requirement

    Perioperative blood transfusion requirements will be recorded, including transfusions administered during the surgical intervention and throughout the acute hospital stay.

    Measured: From the beginning of surgical intervention to hospital discharge, which averages 2 days and may be up to 1 week postoperative

  3. Perioperative Blood Loss

    Anesthesia and nursing records will be monitored for blood loss intraoperatively, and postoperatively via drain output. Drains will be pulled daily at 0600 and measured.

    Measured: From beginning of surgical intervention through hospital discharge, which averages 2 days and may be up to 1 week

Secondary outcomes (2)
  1. The development of complications in the wound, either as an inpatient or after discharge

    Wound care will be evaluated by a designee who will be blinded to the randomization. Wound will be evaluated for drainage, erythema, and ecchymosis. Additionally, the wound healing will be scored as: Healing better than expected, As expected, or Worse than expected. Wound evaluations will occur each postoperative day in hospital (average 2 days), at 6 weeks, and 1 year.

    Measured: Wound evaluations will occur each postoperative day in hospital (average 2 days and up to 1 week), at 6 weeks, and 1 year.

  2. Length of stay

    Length of acute hospital stay will be recorded.

    Measured: From admission through hospital discharge (average 2 days, up to 1 week)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 Apr 2012 (estimated)
  2. Study startOct 2009
  3. Primary completionSep 2011
  4. Study completionSep 2011

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
200 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01583465
Sponsor's protocol ID
20091312
Acronym
Aquamantys
Status last verified
Apr 2012
First submitted
18 Apr 2012
Last updated
24 Apr 2012
Results posted
No
Data monitoring committee
Yes

Publications

  • Barsoum WK, Klika AK, Murray TG, Higuera C, Lee HH, Krebs VE. Prospective randomized evaluation of the need for blood transfusion during primary total hip arthroplasty with use of a bipolar sealer. J Bone Joint Surg Am. 2011 Mar 16;93(6):513-8. doi: 10.2106/JBJS.J.00036.

    PubMed 21411700
  • Zeh A, Messer J, Davis J, Vasarhelyi A, Wohlrab D. The Aquamantys system--an alternative to reduce blood loss in primary total hip arthroplasty? J Arthroplasty. 2010 Oct;25(7):1072-7. doi: 10.1016/j.arth.2009.10.008. Epub 2010 Jan 22.

    PubMed 20097039
  • Mankin KP, Moore CA, Miller LE, Block JE. Hemostasis with a bipolar sealer during surgical correction of adolescent idiopathic scoliosis. J Spinal Disord Tech. 2012 Jul;25(5):259-63. doi: 10.1097/BSD.0b013e3182334ec5.

    PubMed 21964452
  • Morris MJ, Berend KR, Lombardi AV Jr. Hemostasis in anterior supine intermuscular total hip arthroplasty: pilot study comparing standard electrocautery and a bipolar sealer. Surg Technol Int. 2010 Oct;20:352-6.

    PubMed 21082586
  • Marulanda GA, Ulrich SD, Seyler TM, Delanois RE, Mont MA. Reductions in blood loss with a bipolar sealer in total hip arthroplasty. Expert Rev Med Devices. 2008 Mar;5(2):125-31. doi: 10.1586/17434440.5.2.125.

    PubMed 18331175
  • Marulanda GA, Ragland PS, Seyler TM, Mont MA. Reductions in blood loss with use of a bipolar sealer for hemostasis in primary total knee arthroplasty. Surg Technol Int. 2005;14:281-6.

    PubMed 16525984
  • Marulanda GA, Krebs VE, Bierbaum BE, Goldberg VM, Ries M, Ulrich SD, Seyler TM, Mont MA. Hemostasis using a bipolar sealer in primary unilateral total knee arthroplasty. Am J Orthop (Belle Mead NJ). 2009 Dec;38(12):E179-83.

    PubMed 20145794

Questions about this trial

What is this clinical trial studying?

A study testing Aquamantys and standard electrocautery (Bovie) in people with Osteoarthritis, Hip and Joint Deformities, Acquired, run by Joint Implant Surgeons, Inc. at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 24 Apr 2012. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Perioperative Change in Hemoglobin Level (time frame: From up to 30 days preoperative through postoperative day 1). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01583465, which also lists 7 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Apr 2012.

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