Background: Total hip arthroplasty (THA) in patients with Paget’s disease can be associated with technical difculties related to deformities and altered mechanical bone properties, and hypervascularity leads to signifcative intra-operative bleeding. The purpose of this registry and single-institution study was to investigate overall survival and causes of failure of THA in pagetic patients, together with an analysis of the clinical and radiological complications. Material and methods: Registry-based survival and complication analysis, type of fxation, intra- and post-operative complications, clinical (pharmacological history, blood transfusions, Harris hip score [HHS]) and radiographic (cup orientation, stem axial alignment, osteolysis around the cup and the stem and heterotopic ossifcation [HO]) data were reviewed. Results: In total, 66 patients (27 males and 39 females, mean age at surgery 71.1 years for males and 74.8 years for female) from the registry study presented a 10-year survival of 89.5%. In the institutional study, involving 26 patients (14 males and 12 females, 69 years average) and 29 THAs, hip function improved signifcantly. Average cup orientation was 40.5°, while varus stem alignment was 13.8%. In total, 52% of hips had heterotopic ossifcations. Peri-acetabular osteolysis was in 13.8% of implants and in 45% of hips was found around the stem. Allogenic and autologous blood transfusion rate were 68.2% and 31.8%, respectively, with an average transfusion of 2 units of blood (range 1–6 units). HHS improved by an average of 34 points, with excellent result in 64.3% of patients. Two implants failed, one due to traumatic ceramic head fracture 64 months after surgery, and one due to mobilization of the cup on the second postoperative day. Conclusion: THA surgery in Paget’s patients is a safe procedure, and implant survival is only partly afected by bone remodelling and choice of fxation. The post-operative functional outcome is largely similar to that of other patients. Bleeding-related complications are the main complications; a careful pharmacological strategy should be recommended to decrease the risk of transfusions and of HO development.

Clinical and radiological outcomes of total hip arthroplasty in patients affected by Paget’s disease: a combined registry and single-institution retrospective observational study

Di Martino, Alberto
Primo
;
Stefanini, Niccolò;Geraci, Giuseppe;Pilla, Federico;Traina, Francesco;Faldini, Cesare
Ultimo
2021

Abstract

Background: Total hip arthroplasty (THA) in patients with Paget’s disease can be associated with technical difculties related to deformities and altered mechanical bone properties, and hypervascularity leads to signifcative intra-operative bleeding. The purpose of this registry and single-institution study was to investigate overall survival and causes of failure of THA in pagetic patients, together with an analysis of the clinical and radiological complications. Material and methods: Registry-based survival and complication analysis, type of fxation, intra- and post-operative complications, clinical (pharmacological history, blood transfusions, Harris hip score [HHS]) and radiographic (cup orientation, stem axial alignment, osteolysis around the cup and the stem and heterotopic ossifcation [HO]) data were reviewed. Results: In total, 66 patients (27 males and 39 females, mean age at surgery 71.1 years for males and 74.8 years for female) from the registry study presented a 10-year survival of 89.5%. In the institutional study, involving 26 patients (14 males and 12 females, 69 years average) and 29 THAs, hip function improved signifcantly. Average cup orientation was 40.5°, while varus stem alignment was 13.8%. In total, 52% of hips had heterotopic ossifcations. Peri-acetabular osteolysis was in 13.8% of implants and in 45% of hips was found around the stem. Allogenic and autologous blood transfusion rate were 68.2% and 31.8%, respectively, with an average transfusion of 2 units of blood (range 1–6 units). HHS improved by an average of 34 points, with excellent result in 64.3% of patients. Two implants failed, one due to traumatic ceramic head fracture 64 months after surgery, and one due to mobilization of the cup on the second postoperative day. Conclusion: THA surgery in Paget’s patients is a safe procedure, and implant survival is only partly afected by bone remodelling and choice of fxation. The post-operative functional outcome is largely similar to that of other patients. Bleeding-related complications are the main complications; a careful pharmacological strategy should be recommended to decrease the risk of transfusions and of HO development.
2021
Di Martino, Alberto; Coppola, Maria Antonietta Rita; Bordini, Barbara; Stefanini, Niccolò; Geraci, Giuseppe; Pilla, Federico; Traina, Francesco; Faldini, Cesare
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/815836
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