Westermann et al evaluated the 30-day readmission rates for patients undergoing shoulder arthroplasty. They identified patients who may benefit from more aggressive management, especially prior to surgery. The authors are from the University of Iowa.
Parameter: status post shoulder arthroplasty, age >= 60 years and ASA <= 4
Outcome: 30-day readmission
Parameters:
(1) age in years
(2) ASA class
Age in Years
ASA Class
Odds Ratio Readmission
60 to 69 years
ASA 1 or 2
0.80
ASA 3
2.8
ASA 4
5.5
70 to 75 years
ASA 1 or 2
3.6
ASA 3
4.3
ASA 4
7.1
> 75 years
ASA 1 or 2
4.3
ASA 3
5.3
ASA 4
17.4
Additional factors associated with readmission:
(1) dyspnea
(2) hypertension
(3) partial or total dependency in activities of daily living (ADL)
Reasons for readmission:
(1) medical causes (51% of total)
(2) surgical site infections
(3) dislocation
(4) venous thromboembolism
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