RESEARCH ARTICLE
Hip Knee J. Vol. 1, No. 1, 2020, pp. 36-42
p-ISSN: 2723-7818
e-ISSN: 2723-7826
https://doi.org/10.46355/hipknee.v1i1.25
Copyright © 2020 Indonesian Hip and Knee Society | http://thehipkneejournal.id
Comparison of Mortality Rate Between Bipolar
Hemiarthroplasty and Proximal Femoral Nail Anti-rotation
for Intertrochanteric Fractures in Sanglah Hospital, Bali
I Wayan Suryanto Dusak, I Gusti Ngurah Wien Aryana, Cokorda Gde Oka Dharmayuda,
I Wayan Subawa, Hans Kristian Nugraha, Made Arya Susila, Sri Mahadhana
Department of Orthopaedic and Traumatology Sanglah Hospital / Faculty of Medicine, University of Udayana, Bali, Indonesia
Article history
Submitted: June 26
th
, 2020
Revise : July 6
th
, 2020
Accepted : July 7
th
, 2020
Corresponding Author: Cokorda Gde Oka Dharmayuda,
MD. Department of Orthopaedic and Traumatology
Sanglah Hospital / Faculty of Medicine, University of
Udayana, Bali, Indonesia.
email:cokdharmayuda76@gmail.com
Abstract
Introduction: Intertrochanteric fractures occur in about 50% of all hip fracture events, with a mortality rate within 1 year
after fracture reaching 15 to 20%. The most common treatment nowadays is either the bipolar hemiarthroplasty procedure
or proximal femoral nail anti-rotation (PFNA), although there is still no consensus regarding which is better from the two,
especially on patient mortality.
Method: This study was an observational study using a retrospective cohort design. A total of 102 study subjects who met
the inclusion requirements were grouped into 2 groups, one with bipolar hemiarthroplasty fixation treatment and another
with PFNA fixation treatment. Mortality rate was recorded by survey 2 years after surgery.
Results: Chi-square test showed that 2-year mortality rate after intertrochanteric fracture treated with bipolar
hemiarthroplasty (21.4%) was significantly higher than the PFNA group (10.3%) (p = 0.028). Bipolar hemiarthroplasty group
also had longer length of stay (50%) than the PFNA group (32.4%), albeit statistically insignificant (p = 0.13). There was no
significant difference between the 2-year mortality rate and length of stay (p = 0.976).
Conclusion: Patients with intertrochanteric fractures who underwent bipolar hemiarthroplasty have significantly higher 2-
year mortality rate than similar patients underwent fixation with PFNA, while they did not experience higher length of stay
than the PFNA group. Future prospective, multi center study with larger sample size will be likely to validate similar fixation
choice needed to decrease the mortality rate in intertrochanteric fractures.
Keywords: Hip fracture; intertrochanteric fracture; bipolar hemiarthroplasty; proximal femoral nail anti-rotation; mortality
Level of Evidence: III
This is an open access article under the CC–BY-SA license.