It was reported in a journal article entitled: comparison of tension-free hernia repair under local anesthesia in adults: comparison of phs and perfix.Author: jee-man you, kwang-man lee and un-jong choi.Citation: journal of the korean surgical society: vol.72, no.1, january 2007.The purpose of this comparative study was to compare the feasibility of phs® and perfix® procedures under local anesthesia, which are commonly used as tension-free herniorrhaphy in adults, and the difference between the two methods.Between march 2003 to february 2006, 107 patients with mean age of 63.8 years (range 24-91 years) who underwent tension-free herniorrhaphy under local anesthesia were included in the study.The meshes were randomly used.The phs group consisted of 63 patients (male n=56 and female n=7) with mean age of 66.1 years and the perfix group have 44 patients (male n=43 and female n=1) with mean age of 60.5 years.The underlay patch of the phs® mesh was inserted into bogros' space and retzius' space and the onlay patch was fixed with 3-0 prolene® to the cervical ligament, internal transverse muscle and transverse abdominal muscle.In the case of the perfix® mesh, the plug was inserted into the internal inguinal ring and fixed with 3-0 prolene®, and the onlay patch was fixed in the same manner as phs®.Complications in the phs group included wound infection (n=1) and chronic pain (n=1).Complication in the perfix group included wound infection (n=1).In conclusion, with tension-free herniorrhaphy using the phs or perfix mesh, local anesthesia was acceptable and securable, regardless of the mesh type used.Among the patients, those at an older age and with a lower bmi were more tolerant to local anesthesia.
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