Predicting the Exception-CRP and Primary Hip Arthroplasty
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Predicting the Exception-CRP and Primary Hip Arthroplasty. / Meier, Marc-Pascal; Bauer, Ina Juliana; Maheshwari, Arvind K; Husen, Martin; Jäckle, Katharina; Hubert, Jan; Hawellek, Thelonius; Lehmann, Wolfgang; Saul, Dominik.
In: J CLIN MED, Vol. 10, No. 21, 4985, 27.10.2021.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Predicting the Exception-CRP and Primary Hip Arthroplasty
AU - Meier, Marc-Pascal
AU - Bauer, Ina Juliana
AU - Maheshwari, Arvind K
AU - Husen, Martin
AU - Jäckle, Katharina
AU - Hubert, Jan
AU - Hawellek, Thelonius
AU - Lehmann, Wolfgang
AU - Saul, Dominik
PY - 2021/10/27
Y1 - 2021/10/27
N2 - BACKGROUND: While primary hip arthroplasty is the most common operative procedure in orthopedic surgery, a periprosthetic joint infection is its most severe complication. Early detection and prediction are crucial. In this study, we aimed to determine the value of postoperative C-reactive protein (CRP) and develop a formula to predict this rare, but devastating complication.METHODS: We retrospectively evaluated 708 patients with primary hip arthroplasty. CRP, white blood cell count (WBC), and several patient characteristics were assessed for 20 days following the operative procedure.RESULTS: Eight patients suffered an early acute periprosthetic infection. The maximum CRP predicted an infection with a sensitivity and specificity of 75% and 56.9%, respectively, while a binary logistic regression reached values of 75% and 80%. A multinominal logistic regression, however, was able to predict an early infection with a sensitivity and specificity of 87.5% and 78.9%. With a one-phase decay, 71.6% of the postoperative CRP-variance could be predicted.CONCLUSION: To predict early acute periprosthetic joint infection after primary hip arthroplasty, a multinominal logistic regression is the most promising approach. Including five parameters, an early infection can be predicted on day 5 after the operative procedure with 87.5% sensitivity, while it can be excluded with 78.9% specificity.
AB - BACKGROUND: While primary hip arthroplasty is the most common operative procedure in orthopedic surgery, a periprosthetic joint infection is its most severe complication. Early detection and prediction are crucial. In this study, we aimed to determine the value of postoperative C-reactive protein (CRP) and develop a formula to predict this rare, but devastating complication.METHODS: We retrospectively evaluated 708 patients with primary hip arthroplasty. CRP, white blood cell count (WBC), and several patient characteristics were assessed for 20 days following the operative procedure.RESULTS: Eight patients suffered an early acute periprosthetic infection. The maximum CRP predicted an infection with a sensitivity and specificity of 75% and 56.9%, respectively, while a binary logistic regression reached values of 75% and 80%. A multinominal logistic regression, however, was able to predict an early infection with a sensitivity and specificity of 87.5% and 78.9%. With a one-phase decay, 71.6% of the postoperative CRP-variance could be predicted.CONCLUSION: To predict early acute periprosthetic joint infection after primary hip arthroplasty, a multinominal logistic regression is the most promising approach. Including five parameters, an early infection can be predicted on day 5 after the operative procedure with 87.5% sensitivity, while it can be excluded with 78.9% specificity.
U2 - 10.3390/jcm10214985
DO - 10.3390/jcm10214985
M3 - SCORING: Journal article
C2 - 34768504
VL - 10
JO - J CLIN MED
JF - J CLIN MED
SN - 2077-0383
IS - 21
M1 - 4985
ER -