Based on MRI and Serological Indicators,a Nomogram Model of Functional Outcome after Rotator Cuff Repair Was Constructed
Objective To explore the influencing factors of functional outcome after rotator cuff repair and construct a nomogram model to provide reference information for clinical decision.Methods A total of 214 patients who were to undergo rotator cuff repair in our hospital from June 2021 to June 2023 were selected and divided into the outcome group and the non-outcome group using the American Society for Shoulder-to-elbow Surgery(ASES)as the functional outcome criteria 3 months after surgery.The general data,magnetic resonance(MRI)imaging indicators[degree of joint capsule effusion,tendon retract distance of supraspinatus muscle(SSP),tendon tear degree of subscapular muscle(SSC),tendon tear degree of subaspinatus muscle(ISP)],serological indicators[fibrinogen(FIB),fibrinogen degradation product(FDP),white blood cell count(WBC),C-reactive protein(CRP)]were analyzed and compared between the two groups,Logistic regression equation was used to analyze the influencing factors of functional outcome after rotator cuff injury repair,and a nomogram model was constructed,and calibration curve,subject work characteristic curve,and decision curve(DCA)were drawn to analyze the predictive efficacy and clinical applicability of the nomogram model.Results There were statistically significant differences in the time to start functional exercise,compliance of functional exercise,SSP retraction distance,joint capsule effusion,SSP and SSC muscle fat infiltration degree,FIB,FDP and CRP between the two groups(P＜0.05).Logistic regression equation analysis showed that the time to start functional exercise after surgery,SSP retraction distance,joint capsule effusion,SSC muscle fat infiltration grade,FIB and FDP were the factors influencing the functional outcome after rotator cuff injury repair(P＜0.05).A nomogram model was constructed with reference to the influencing factors of functional outcome after rotator cuff injury repair.The AUC and 95％CI of the nomogram model in functional outcome after rotator cuff injury repair were 0.876 and 0.831-0.927.The apparent line and deviation correction line of the nomogram model had little deviation from the ideal line,and the decision threshold was 0.10-0.75.The nomogram model provides clinical benefits to clinical participants.Conclusion MRI imaging indexes and serum FIB,FDP and CRP have high predictive value for postoperative functional outcomes after rotator cuff injury repair,which can provide references for early clinical prediction of postoperative functional outcomes and formulation of corresponding intervention programs.
Rotator Cuff Injury RepairFunctional OutcomeAmerican Society for Shoulder-elbow Surgery ScoreMRI imaging FindingsSerological Indicators
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