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Modified frailty index predicts medical complications, length of stay, readmission, and mortality following total shoulder arthroplasty.
J Shoulder Elbow Surg. 2019 Oct; 28(10):1854-1860.JS

Abstract

HYPOTHESIS

The purpose of this study was to evaluate the 5-factor modified frailty index (mFI-5) as a predictor of postoperative complications in patients undergoing total shoulder arthroplasty (TSA).

METHODS

We conducted a retrospective analysis of the National Surgical Quality Improvement Program database for patients undergoing TSA between the years 2005 and 2017. The mFI-5 score, which includes the presence of comorbid diabetes, hypertension, congestive heart failure, chronic obstructive pulmonary disease, and functional status, was calculated for each patient. Multivariate logistic regression models were used to assess the relationship between the mFI-5 and postoperative complications.

RESULTS

A total of 18,957 patients undergoing TSA were identified. The mFI-5 was a strong predictor of serious medical complications (cardiac arrest, myocardial infarction, septic shock, pulmonary embolism, postoperative dialysis, reintubation, and prolonged ventilator requirement), discharge to a facility, and readmission (odds ratio ≥ 1.309, P ≤ .001). Length of stay also increased as the mFI-5 score increased (P < .001). However, among all the measured complications, the mFI-5 was the strongest predictor of mortality, with the risk more than doubling for each point increase in the mFI-5 score (odds ratio, 2.113; 95% confidence interval, 1.447-3.086; P < .001).

CONCLUSION

The mFI-5 predicts serious medical complications, increased length of stay, discharge to a facility, hospital readmission, and mortality in patients undergoing TSA. All of the variables within the mFI-5 are easily obtained through the patient history, allowing for a practical clinical tool that hospitals and surgeons can use to identify high-risk surgical candidates, inform preoperative counseling, and guide perioperative care to optimize patient outcomes.

Authors+Show Affiliations

Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA. Electronic address: traven@musc.edu.Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA.Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA.Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA.Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA.Department of Orthopaedics, Medical University of South Carolina, Charleston, SC, USA.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31202629

Citation

Traven, Sophia A., et al. "Modified Frailty Index Predicts Medical Complications, Length of Stay, Readmission, and Mortality Following Total Shoulder Arthroplasty." Journal of Shoulder and Elbow Surgery, vol. 28, no. 10, 2019, pp. 1854-1860.
Traven SA, McGurk KM, Reeves RA, et al. Modified frailty index predicts medical complications, length of stay, readmission, and mortality following total shoulder arthroplasty. J Shoulder Elbow Surg. 2019;28(10):1854-1860.
Traven, S. A., McGurk, K. M., Reeves, R. A., Walton, Z. J., Woolf, S. K., & Slone, H. S. (2019). Modified frailty index predicts medical complications, length of stay, readmission, and mortality following total shoulder arthroplasty. Journal of Shoulder and Elbow Surgery, 28(10), 1854-1860. https://doi.org/10.1016/j.jse.2019.03.009
Traven SA, et al. Modified Frailty Index Predicts Medical Complications, Length of Stay, Readmission, and Mortality Following Total Shoulder Arthroplasty. J Shoulder Elbow Surg. 2019;28(10):1854-1860. PubMed PMID: 31202629.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Modified frailty index predicts medical complications, length of stay, readmission, and mortality following total shoulder arthroplasty. AU - Traven,Sophia A, AU - McGurk,Kathy M, AU - Reeves,Russell A, AU - Walton,Zeke J, AU - Woolf,Shane K, AU - Slone,Harris S, Y1 - 2019/06/13/ PY - 2019/01/28/received PY - 2019/03/17/revised PY - 2019/03/19/accepted PY - 2019/6/17/pubmed PY - 2019/12/27/medline PY - 2019/6/17/entrez KW - Shoulder arthroplasty KW - complications KW - frailty index KW - morbidity KW - outcomes KW - readmission SP - 1854 EP - 1860 JF - Journal of shoulder and elbow surgery JO - J Shoulder Elbow Surg VL - 28 IS - 10 N2 - HYPOTHESIS: The purpose of this study was to evaluate the 5-factor modified frailty index (mFI-5) as a predictor of postoperative complications in patients undergoing total shoulder arthroplasty (TSA). METHODS: We conducted a retrospective analysis of the National Surgical Quality Improvement Program database for patients undergoing TSA between the years 2005 and 2017. The mFI-5 score, which includes the presence of comorbid diabetes, hypertension, congestive heart failure, chronic obstructive pulmonary disease, and functional status, was calculated for each patient. Multivariate logistic regression models were used to assess the relationship between the mFI-5 and postoperative complications. RESULTS: A total of 18,957 patients undergoing TSA were identified. The mFI-5 was a strong predictor of serious medical complications (cardiac arrest, myocardial infarction, septic shock, pulmonary embolism, postoperative dialysis, reintubation, and prolonged ventilator requirement), discharge to a facility, and readmission (odds ratio ≥ 1.309, P ≤ .001). Length of stay also increased as the mFI-5 score increased (P < .001). However, among all the measured complications, the mFI-5 was the strongest predictor of mortality, with the risk more than doubling for each point increase in the mFI-5 score (odds ratio, 2.113; 95% confidence interval, 1.447-3.086; P < .001). CONCLUSION: The mFI-5 predicts serious medical complications, increased length of stay, discharge to a facility, hospital readmission, and mortality in patients undergoing TSA. All of the variables within the mFI-5 are easily obtained through the patient history, allowing for a practical clinical tool that hospitals and surgeons can use to identify high-risk surgical candidates, inform preoperative counseling, and guide perioperative care to optimize patient outcomes. SN - 1532-6500 UR - https://www.unboundmedicine.com/medline/citation/31202629/Modified_frailty_index_predicts_medical_complications_length_of_stay_readmission_and_mortality_following_total_shoulder_arthroplasty_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1058-2746(19)30186-7 DB - PRIME DP - Unbound Medicine ER -