Meric Teker, A., Korkut, A.Y., Kahya, V. et al. Eur Arch Otorhinolaryngol (2010) 267: 1377. doi:10.1007/s00405-010-1208-0
This is a study evaluating the efficacy of Ankaferd Blood Stopper (ABS) as a hemostatic agent compared to hemostasis by phenylephrine in patients with anterior epistaxis. The study design is a prospective, randomized, controlled, nonblinded, clinical trial. In total, 49 patients were randomly seperated to receive hemostasis technique by means of either ABS wet tampon or phenylephrine impregnated gauze tampon for anterior epistaxis control. Patients were crossed over to the other technique after two unsuccessful attempts of the first technique. Measured outcomes such as number of applications, relationship of number of applications with bleeding intensity (1 = stains on napkin, 2 = soaked napkin, 3 = bowl needed), patient discomfort during hemostasis (0 = none, 9 = unbearable), and complications were assessed. Additional data were recorded for rebleeding within 7 days. 24 of the 49 patients were assigned to the new ABS group (group I) and remaining 25 were included in the standard phenylephrine group (group II). ABS was more effective than phenylephrine at control of anterior epistaxis (79.2 vs. 64%, p < 0.05). For the patients who crossed over from phenylephrine to ABS, 44.4% achieved hemostasis by ABS. ABS successfully treated all bleeding intensity 1 and 2 patients with one application (5 min). ABS patients experienced fewer rebleeding rates within 7 days compared to phenylephrine patients (8.3 vs. 20%, p < 0.05). The patients for which ABS was applied, significant differences in effective control of anterior epistaxis were observed compared to phenylephrine. ABS is effective, safe, quick, and easy alternative to the phenylephrine in patients with anterior epistaxis.