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· DOS Abstracts
Readmissions, length of stay and mortality after pri-
mary surgery for adult spinal deformity
Frederik Taylor Pitter, Martin Lindberg-Larsen, Alma Pedersen, Benny Dahl, Mar-
tin Gehrchen
Rygsektionen, ortopædkirurgisk afdeling, Rigshospitalet; Ortopædkirurgisk af-
deling, Odense Universitetshospital; Klinisk Epidemiologisk Afdeling, Århus Uni-
versitetshospital; Rygsektionen, ortopædkirurgisk afdeling, Rigshospitalet; Ryg-
sektionen, ortopædkirurgisk afdeling, Rigshospitalet
Background:
Adult spinal deformity (ASD) includes deformities in both the
coronal and sagittal plane, with potential severe impact on health related quality
of life. With increasing health care burden of ASD surgery, data on postoperative
morbidity and mortality are highly relevant
Purpose / Aim of Study:
To provide detailed information on postoperative
morbidity measured by length of stay (LOS), readmissions and mortality within
90 days after instrumented surgery for ASD
Materials and Methods:
A 10-year cohort study on all patients >18 years
undergoing surgery for ASD in the Capital Region of Denmark. Patients were
identified in the Danish National Patient Registry (DNPR) using procedure codes
for instrumented spine surgery (KNAG/KNAK/KNAT*) and diagnosis of either
kyphosis/lordosis or scoliosis (DM40, DM41, DM45*). Medical records were
reviewed for all patients
Findings / Results:
366 patients were identified, with a mean age of 48.5
years (range 18 – 83) and a median LOS of 8 days (Interquartile range 6 – 11).
LOS >11 days was observed in 104 procedures (28.4%) and was mainly caused
by “medically” related issues (68.3%), including pain/mobilization difficulties.
The 90-days readmission rate was 18.0 %. 68.2% readmissions were “medi-
cally” related due to opioid related side effects (18.2%) and pain/mobilization
issues (15.2%). 31.8% of readmissions were “surgically” related and 16.7% re-
quired revision surgery. 90-days mortality was 0.8%, 2 patients died from car-
diac arrest and 1 from surgical trauma
Conclusions:
A median LOS of 8 days and a 90-day readmission rate of 18.0%
indicate room for improvement regarding postoperative morbidity. A future fo-
cus on implementation of fast-track principles with early mobilization and opi-
oid sparing analgesia may reduce LOS and postoperative morbidity as shown in
hip and knee arthroplasty surgery
No conflicts of interest reported
48.