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1.
Can J Ophthalmol ; 53(6): 600-604, 2018 12.
Article in English | MEDLINE | ID: mdl-30502984

ABSTRACT

OBJECTIVE: Postoperative ecchymoses or hematomas can prolong healing from surgery, and a search for locally administered agents that decrease bleeding is warranted. The objective of this study is to evaluate whether preoperative subcutaneous injection of tranexamic acid (TXA) reduces intra- and postoperative bleeding or ecchymoses in skin-only upper eyelid blepharoplasty surgery. DESIGN: This is a prospective randomized, double-blind, controlled study. PARTICIPANTS: We included 34 consecutive patients who were referred to an upper eyelid blepharoplasty surgery in our institution. METHODS: The patients were equally randomized to a preoperative local injection of lidocaine mixed with either TXA or normal saline. All patients stopped antiaggregates 1 week before surgery. All surgeries were performed by a single surgeon who was unaware of group assignment. Total surgical time, cumulative time of cautery use, blood loss, the surgeon's assessment of bleeding extent, pain level reported by the patient, periocular ecchymoses during the first postoperative week, and time for patient's return to normal daily activity were recorded. RESULTS: There was a trend toward smaller ecchymoses in the TXA group compared with the placebo group on the seventh day (p = 0.072). There were no group differences in total surgery time, cumulative cautery time, net blood weight in surgical pads, patient-reported pain level, surgeon's assessment of hemostasis, or periocular ecchymosis size on the first postoperative day. CONCLUSIONS: Subcutaneous TXA was associated with similar intra- and postoperative hemorrhage in upper eyelid blepharoplasty compared with placebo. The effect of TXA in patients who did not stop antiaggregate use before surgery warrants further study.


Subject(s)
Blepharoplasty/methods , Blood Loss, Surgical/prevention & control , Chalazion/surgery , Eyelids/surgery , Postoperative Hemorrhage/prevention & control , Tranexamic Acid/administration & dosage , Aged , Aged, 80 and over , Antifibrinolytic Agents/administration & dosage , Double-Blind Method , Female , Humans , Injections, Subcutaneous , Male , Middle Aged , Operative Time , Pilot Projects , Prospective Studies , Treatment Outcome
2.
J Drugs Dermatol ; 15(7): 851-5, 2016 Jul 01.
Article in English | MEDLINE | ID: mdl-27391635

ABSTRACT

BACKGROUND: Between stages of Mohs micrographic surgery, the wound is dressed and the patient waits for the histopathological results.
OBJECTIVE: To investigate the efficacy of a hemostatic-anesthetic solution-impregnated gauze in decreasing bleeding between Mohs stages.
MATERIALS AND METHODS: Twenty patients were treated with a hemostatic-anesthetic solution composed of tranexamic acid, adrenaline, and lidocaine (TAL), and 20 others were treated with a saline solution for control. At the second Mohs stage, size measurements of the blood stain on a Telfa pad and the defect were recorded. The Rotation Thromboelastometry Method (ROTEM) was used to investigate a possible effect of lidocaine and adrenaline on the clot stability induced by tranexamic acid.
RESULTS: The ratio of blood stain size to Mohs defect size in the hemostatic anesthetic solution group was 1:1.47, whereas the ratio in the control saline group was 1:3.37 (P<.001). Results of the ROTEM test showed that lidocaine and adrenaline did not interfere with the effect of tranexamic acid on clot formation and stability.
CONCLUSION: The application of gauze impregnated with tranexamic acid, adrenaline, and lidocaine on a surgical wound may be effective in reducing bleeding between Mohs stages.

J Drugs Dermatol. 2016;15(7):851-855.


Subject(s)
Anesthetics, Local/administration & dosage , Blood Loss, Surgical/prevention & control , Hemostatics/administration & dosage , Intraoperative Complications/drug therapy , Intraoperative Complications/etiology , Mohs Surgery/adverse effects , Administration, Topical , Aged , Aged, 80 and over , Case-Control Studies , Female , Humans , Male , Middle Aged , Mohs Surgery/methods , Pharmaceutical Solutions/administration & dosage
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