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“Though Mohs micrographic surgery is associated with low bleeding complication rates, around 1% of patients in the literature report postoperative bleeding,” corresponding author Abigail H. Waldman, MD, director of the Mohs and Dermatologic Surgery Center, at Brigham and Women’s Hospital, Boston, and colleagues wrote in the study, which was published online in the Journal of the American Academy of Dermatology. “Intravenous tranexamic acid has been used across surgical specialties to reduce perioperative blood loss. Prior studies have shown topical TXA, an antifibrinolytic agent, following MMS may be effective in reducing postoperative bleeding complications, but there are no large cohort studies on injectable TXA utilization in all patients undergoing MMS.”
To improve the understanding of this intervention, the researchers examined the impact of off-label, locally injected TXA on postoperative bleeding outcomes following MMS conducted at Brigham and Women’s Hospital. They evaluated two cohorts: 1843 patients who underwent MMS from January 1, 2019, to December 31, 2019 (the pre-TXA cohort), and 2101 patients who underwent MMS from July 1, 2022, to June 30, 2023 (the TXA cohort), and extracted data, including patient and tumor characteristics, MMS procedure details, antithrombotic medication use, systemic conditions that predispose to bleeding, encounters reporting postoperative bleeding, and interventions required for postoperative bleeding, from electronic medical records. Patients reconstructed by a non-MMS surgeon were excluded from the analysis.
Overall, 2509 cases among 1843 patients and 2818 cases among 2101 were included in the pre-TXA and TXA cohorts, respectively. The researchers found that local subcutaneous injection of TXA reduced the risk for postoperative phone calls or visits for bleeding by 25% (RR [risk ratio], 0.75; 0.57-0.99) and risk for bleeding necessitating a medical visit by 51% (RR, 0.49; 0.32-0.77).
The use of preoperative TXA in several subgroups of patients also was also associated with a reduction in visits for bleeding, including those using alcohol (52% reduction; RR, 0.47; 0.26-0.85), cigarettes (57% reduction; RR, 0.43; 0.23-0.82), oral anticoagulants (61% reduction; RR, 0.39; 0.20-0.77), or antiplatelets (60% reduction; RR, 0.40; 0.20-0.79). The use of TXA was also associated with reduced visits for bleeding in tumors of the head and neck (RR, 0.45; 0.26-0.77) and tumors with a preoperative diameter > 2 cm (RR, 0.37; 0.15-0.90).
Impact of Surgical Repair Type
In other findings, the type of surgical repair was a potential confounder, the authors reported. Grafts and flaps were associated with an increased risk for bleeding across both cohorts (RR, 2.36 [1.5-3.6] and 1.7 [1.1-2.6], respectively) and together comprised 15% of all procedures in the pre-TXA cohort compared with 11.1% in TXA cohort. Two patients in the TXA cohort (0.11%) developed deep vein thrombosis (DVT) 10- and 20-days postoperation, a rate that the authors said is comparable to that of the general population. The two patients had risk factors for hypercoagulability, including advanced cancer and recurrent DVT.
“Overall, local injection of TXA was an effective method for reducing the risk of clinically significant bleeding following MMS,” the researchers concluded. “Perioperative TXA may help to limit the risk of bleeding overall, as well as in populations predisposed to bleeding.” Adverse events with TXA use were rare “and delayed beyond the activity of TXA, indicating a low likelihood of being due to TXA,” they wrote.
“Dermatologists performing MMS may consider incorporating local TXA injection into their regular practice,” they noted, adding that “legal counsel on adverse effects in the setting of off-label pharmaceutical usage may be advised.”
In an interview, Patricia M. Richey, MD, director of Mohs surgery at Boston Medical Center, who was asked to comment on the study, said that postoperative bleeding is one of the most commonly encountered Mohs surgery complications. “Because of increased clinic visits and phone calls, it can also often result in decreased patient satisfaction,” she said.
“This study is particularly notable in that we see that local subcutaneous TXA injection decreased visits for bleeding even in those using oral anticoagulants, antiplatelets, alcohol, and cigarettes. Dermatologic surgery has a very low complication rate, even in patients on anticoagulant and antiplatelet medications, but this study shows that TXA is a fantastic option for Mohs surgeons and patients.”
Neither the study authors nor Dr. Richey reported having financial disclosures.
A version of this article first appeared on Medscape.com.
“Though Mohs micrographic surgery is associated with low bleeding complication rates, around 1% of patients in the literature report postoperative bleeding,” corresponding author Abigail H. Waldman, MD, director of the Mohs and Dermatologic Surgery Center, at Brigham and Women’s Hospital, Boston, and colleagues wrote in the study, which was published online in the Journal of the American Academy of Dermatology. “Intravenous tranexamic acid has been used across surgical specialties to reduce perioperative blood loss. Prior studies have shown topical TXA, an antifibrinolytic agent, following MMS may be effective in reducing postoperative bleeding complications, but there are no large cohort studies on injectable TXA utilization in all patients undergoing MMS.”
To improve the understanding of this intervention, the researchers examined the impact of off-label, locally injected TXA on postoperative bleeding outcomes following MMS conducted at Brigham and Women’s Hospital. They evaluated two cohorts: 1843 patients who underwent MMS from January 1, 2019, to December 31, 2019 (the pre-TXA cohort), and 2101 patients who underwent MMS from July 1, 2022, to June 30, 2023 (the TXA cohort), and extracted data, including patient and tumor characteristics, MMS procedure details, antithrombotic medication use, systemic conditions that predispose to bleeding, encounters reporting postoperative bleeding, and interventions required for postoperative bleeding, from electronic medical records. Patients reconstructed by a non-MMS surgeon were excluded from the analysis.
Overall, 2509 cases among 1843 patients and 2818 cases among 2101 were included in the pre-TXA and TXA cohorts, respectively. The researchers found that local subcutaneous injection of TXA reduced the risk for postoperative phone calls or visits for bleeding by 25% (RR [risk ratio], 0.75; 0.57-0.99) and risk for bleeding necessitating a medical visit by 51% (RR, 0.49; 0.32-0.77).
The use of preoperative TXA in several subgroups of patients also was also associated with a reduction in visits for bleeding, including those using alcohol (52% reduction; RR, 0.47; 0.26-0.85), cigarettes (57% reduction; RR, 0.43; 0.23-0.82), oral anticoagulants (61% reduction; RR, 0.39; 0.20-0.77), or antiplatelets (60% reduction; RR, 0.40; 0.20-0.79). The use of TXA was also associated with reduced visits for bleeding in tumors of the head and neck (RR, 0.45; 0.26-0.77) and tumors with a preoperative diameter > 2 cm (RR, 0.37; 0.15-0.90).
Impact of Surgical Repair Type
In other findings, the type of surgical repair was a potential confounder, the authors reported. Grafts and flaps were associated with an increased risk for bleeding across both cohorts (RR, 2.36 [1.5-3.6] and 1.7 [1.1-2.6], respectively) and together comprised 15% of all procedures in the pre-TXA cohort compared with 11.1% in TXA cohort. Two patients in the TXA cohort (0.11%) developed deep vein thrombosis (DVT) 10- and 20-days postoperation, a rate that the authors said is comparable to that of the general population. The two patients had risk factors for hypercoagulability, including advanced cancer and recurrent DVT.
“Overall, local injection of TXA was an effective method for reducing the risk of clinically significant bleeding following MMS,” the researchers concluded. “Perioperative TXA may help to limit the risk of bleeding overall, as well as in populations predisposed to bleeding.” Adverse events with TXA use were rare “and delayed beyond the activity of TXA, indicating a low likelihood of being due to TXA,” they wrote.
“Dermatologists performing MMS may consider incorporating local TXA injection into their regular practice,” they noted, adding that “legal counsel on adverse effects in the setting of off-label pharmaceutical usage may be advised.”
In an interview, Patricia M. Richey, MD, director of Mohs surgery at Boston Medical Center, who was asked to comment on the study, said that postoperative bleeding is one of the most commonly encountered Mohs surgery complications. “Because of increased clinic visits and phone calls, it can also often result in decreased patient satisfaction,” she said.
“This study is particularly notable in that we see that local subcutaneous TXA injection decreased visits for bleeding even in those using oral anticoagulants, antiplatelets, alcohol, and cigarettes. Dermatologic surgery has a very low complication rate, even in patients on anticoagulant and antiplatelet medications, but this study shows that TXA is a fantastic option for Mohs surgeons and patients.”
Neither the study authors nor Dr. Richey reported having financial disclosures.
A version of this article first appeared on Medscape.com.
“Though Mohs micrographic surgery is associated with low bleeding complication rates, around 1% of patients in the literature report postoperative bleeding,” corresponding author Abigail H. Waldman, MD, director of the Mohs and Dermatologic Surgery Center, at Brigham and Women’s Hospital, Boston, and colleagues wrote in the study, which was published online in the Journal of the American Academy of Dermatology. “Intravenous tranexamic acid has been used across surgical specialties to reduce perioperative blood loss. Prior studies have shown topical TXA, an antifibrinolytic agent, following MMS may be effective in reducing postoperative bleeding complications, but there are no large cohort studies on injectable TXA utilization in all patients undergoing MMS.”
To improve the understanding of this intervention, the researchers examined the impact of off-label, locally injected TXA on postoperative bleeding outcomes following MMS conducted at Brigham and Women’s Hospital. They evaluated two cohorts: 1843 patients who underwent MMS from January 1, 2019, to December 31, 2019 (the pre-TXA cohort), and 2101 patients who underwent MMS from July 1, 2022, to June 30, 2023 (the TXA cohort), and extracted data, including patient and tumor characteristics, MMS procedure details, antithrombotic medication use, systemic conditions that predispose to bleeding, encounters reporting postoperative bleeding, and interventions required for postoperative bleeding, from electronic medical records. Patients reconstructed by a non-MMS surgeon were excluded from the analysis.
Overall, 2509 cases among 1843 patients and 2818 cases among 2101 were included in the pre-TXA and TXA cohorts, respectively. The researchers found that local subcutaneous injection of TXA reduced the risk for postoperative phone calls or visits for bleeding by 25% (RR [risk ratio], 0.75; 0.57-0.99) and risk for bleeding necessitating a medical visit by 51% (RR, 0.49; 0.32-0.77).
The use of preoperative TXA in several subgroups of patients also was also associated with a reduction in visits for bleeding, including those using alcohol (52% reduction; RR, 0.47; 0.26-0.85), cigarettes (57% reduction; RR, 0.43; 0.23-0.82), oral anticoagulants (61% reduction; RR, 0.39; 0.20-0.77), or antiplatelets (60% reduction; RR, 0.40; 0.20-0.79). The use of TXA was also associated with reduced visits for bleeding in tumors of the head and neck (RR, 0.45; 0.26-0.77) and tumors with a preoperative diameter > 2 cm (RR, 0.37; 0.15-0.90).
Impact of Surgical Repair Type
In other findings, the type of surgical repair was a potential confounder, the authors reported. Grafts and flaps were associated with an increased risk for bleeding across both cohorts (RR, 2.36 [1.5-3.6] and 1.7 [1.1-2.6], respectively) and together comprised 15% of all procedures in the pre-TXA cohort compared with 11.1% in TXA cohort. Two patients in the TXA cohort (0.11%) developed deep vein thrombosis (DVT) 10- and 20-days postoperation, a rate that the authors said is comparable to that of the general population. The two patients had risk factors for hypercoagulability, including advanced cancer and recurrent DVT.
“Overall, local injection of TXA was an effective method for reducing the risk of clinically significant bleeding following MMS,” the researchers concluded. “Perioperative TXA may help to limit the risk of bleeding overall, as well as in populations predisposed to bleeding.” Adverse events with TXA use were rare “and delayed beyond the activity of TXA, indicating a low likelihood of being due to TXA,” they wrote.
“Dermatologists performing MMS may consider incorporating local TXA injection into their regular practice,” they noted, adding that “legal counsel on adverse effects in the setting of off-label pharmaceutical usage may be advised.”
In an interview, Patricia M. Richey, MD, director of Mohs surgery at Boston Medical Center, who was asked to comment on the study, said that postoperative bleeding is one of the most commonly encountered Mohs surgery complications. “Because of increased clinic visits and phone calls, it can also often result in decreased patient satisfaction,” she said.
“This study is particularly notable in that we see that local subcutaneous TXA injection decreased visits for bleeding even in those using oral anticoagulants, antiplatelets, alcohol, and cigarettes. Dermatologic surgery has a very low complication rate, even in patients on anticoagulant and antiplatelet medications, but this study shows that TXA is a fantastic option for Mohs surgeons and patients.”
Neither the study authors nor Dr. Richey reported having financial disclosures.
A version of this article first appeared on Medscape.com.
FROM JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY