Investigation and analysis of the relevant knowledge of skin expander in congenital microtia patients′ families

Objective To understand the patients of congenital microtia malformation families knowledge of skin expander and influencing factors. Methods Self-made questionnaire to sample survey of 500 cases of our department (Plastic Surgery Hospital, Chinese Academy of Medical Sciences, the second microtia concer) patients′ families. Results 47.8%(239/500) of 500 patients of expander knowledge level is high, 41.2% (206/500) pass the exam, 11.0%(55/500) fall the exam, only 13.4% (67/500) really have a comprehensive understanding on expander achieve excellent. Scores of male and female were (16.06±1.99) points and (16.39±2.16) points, t=1.752, P > 0.05, there was no statistically significant difference comparing the 2 group. Patients′ families score of different cultural levels, respectively (14.06±2.36), (14.98±2.02), (16.54±2.00), (16.73±1.88) points, F = 21.736, P 0.05, there was no statistically significant difference comparing the 5 groups. Patients with different professional families score (13.25 ± 2.19), (13.79±2.27), (16.08±1.89), (14.10±2.08), (14.13±2.35), (14.45±2.09), (14.56±1.75), (16.84±1.81) points, F = 2.737, P < 0.01, difference of eight groups was statistically significant. Conclusions Congenital microtia patients′ families skin expander knowledge needs to be improved, it is necessary to take various forms, conduct for families of expander knowledge through propaganda and education. Key words: Skin expander; Microtia; Investigation