One hundred and forty eight cases of hip fractures experienced in the Department of Orthopedic Surgery of Seoul National University Hospital were analyzed, and following results were obtained.
1. Femoral neck fractures were 79 cases and trochanteric fractures were 69 cases ~
2. The most common cause of the hip fractures was fall-down or slip-down (96 cases-65%).
3. Incidence of the femoral neck fracture was most frequent in the 6th decade, and that of the trochanteric fracture was in the 8th decade.
4. Sex ratio (male: femalein) incidence was 2.91 in the age groups before 50 years,. and 1:1.8 after 5p years.
5. In classification of the hip fractures, transcervical fracture was most common (74%) in femoral neck fractures. And type 3 & 4 was 57% according to the method of Tronzo in trochanteric fractures.
6. Metals for internal fixation were S-P nail, S-P nail &plate, Knowles pin, Jewett nail, and compression hip ycrew etc. Especially we performed endoprosthesis frequently in old femoral neck fractures.
7. Significant delayed post-operative complications were head penetrations of the metals (15.5%), ayscular necrosis (37.9%), nonunion (15.5io), and varus deformity (20.7%) in femoral neck fractures.
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