Timing of Tourniquet Release

Injury

Tourniquet study

This will be a prospective randomized clinical trial comparing clinical outcome measures in patients who undergo elective upper extremity surgery when tourniquet is dropped prior to closure as opposed to when tourniquet is dropped after closure. The study will compare objective data obtained intraoperatively as well as standard clinical outcome measures such as pain scores at routine follow up.

Patients will be enrolled prior to surgery and consented to participate in the study \[HPJ2\]. Patients will be enrolled by the research staff with a provider including attending and resident surgeons as well as advanced practiced providers that are assigned to the upper extremity team. A computerized random number generator will be used to randomize patient allocation to either study arm: closure without releasing the tourniquet vs releasing the tourniquet and then closing the incision. Randomization will occur at the time of surgery. In order to standardize the procedure a 4-inch ace wrap will be wrapped around the upper arm and a tourniquet will be placed over this in order to ensure adequate padding \[HPJ3\] \[AW4\]. At the conclusion of the surgical procedure but prior to skin closure, the randomized number will be revealed to the surgeon and the surgeon will either release the tourniquet or will keep the tourniquet inflated and then close the skin. After the surgery is completed, information will be collected on the intraoperative data collection form to include: • Length and exact location of incision• Whether the patient is on anticoagulant medication., o This includes type/dose of medicationo Duration for taking the medicationo Was the medication halted prior to surgery; if so, when• Surgeon performing the surgery• Surgical procedure• Surgery location (Ambulatory Care Center (ACC), Orlando Regional Medical Center (ORMC), etc.) • When tourniquet is dropped (before/after closure)• Tourniquet Time• Time from tourniquet release to closure• Total Surgical time (time from incision until complete skin closure) • Turnover time• Was electrocautery required to control any bleeding; if so, what type and what was electrocauterized? Clinical outcome measures collected during postoperative follow up. • Visual analog pain scale• Quick Disability of the Arm, Shoulder and Hand (DASH) form• Complications including hematoma size• Satisfaction with treatment (scale 1-5)o completely satisfied - 5, somewhat satisfied - 4, neither satisfied or dissatisfied - 3, partly dissatisfied - 2, completely dissatisfied - 1• Likely to recommend this surgery to a friend family member who has the same condition - yes or no Patients enrolled in the study will follow up in clinic at the following time intervals: 2 weeks, 10 weeks, and 6 months per standard of care.

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