Investigators will compared the clinical outcomes between superior capulotomy and inferior capsulotomy in bipolar hemiarthropalsty using posterior approach.
primary clinical outcome will be dislocation within 1 year after surgery.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
3,502
inferior capsulotomy will be conducted during posterior approach.
superior capsulotomy was conducted during posterior approach. (These control group is consisted of patients who received bipolar hemiarthroplasty using superior capsulotomy from January 2010 to December 2020)
Seoul National University Bundang Hospital
Seongnam-si, Gyeonggi-do, South Korea
dislocation
rate of dislocation
Time frame: 12 months
mobility change
change of mobility according to Koval classification; independent community ambulatory community ambulatory with cane community ambulatory with crutch, walker independent household ambulatory household ambulatory with cane household ambulatory with crutch, walker nonfunctional ambulatory
Time frame: 12 months
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