scholarly journals Midterm results of the cylindrical fully porous-coated uncemented femoral stem in revision patients with Paprosky I–IIIA femoral defects

2018 ◽  
Vol 26 (2) ◽  
pp. 230949901878390 ◽  
Author(s):  
Salduz Ahmet ◽  
Kılıçoğlu Önder İsmet ◽  
Ekinci Mehmet ◽  
Yıldız Eren ◽  
Tözün Remzi ◽  
...  
Keyword(s):  
Aseptic Loosening ◽  
Femoral Stem ◽  
Assistive Device ◽  
Harris Hip Score ◽  
X Rays ◽  
Functional Scores ◽  
Femoral Stems ◽  
The Mean ◽  
Uncemented Femoral Stem

Introduction: The aim of this study was to analyze the survival of the Echelon® femoral stems in revision hip surgeries in patients with Paprosky I–IIIA femoral defects. Patients and methods: Sixty-six patients (70 hips) who underwent revision hip surgery with at least 3 years of follow-up data were included in the study between 2000 and 2013. The mean patient age was 64.5 (32–83) years, and the mean follow-up period was 93 (45–206) months. The reasons for revision were aseptic loosening in 55 (78.6%) patients, periprosthetic joint infection in 9 (12.9%) patients, periprosthetic fracture in 4 (5.7%) patients, and stem fracture in 2 (2.9%) patients. The preoperative and postoperative follow-up X-rays and functional scores were evaluated. Results: Five patients died in an average of 70 (45–86) months after surgery due to non-related diseases. We encountered sciatic nerve palsy in two patients and early hip dislocation in two patients, whereas 54 patients were able to walk without any assistive device. The remaining 12 patients required an assistive device to walk. The mean Harris hip score significantly increased from 34 (7–63) preoperatively to 72 (43–96) postoperatively. Aseptic loosening was observed in one patient. The survival of the porous-coated anatomical uncemented femoral stem was 98.4% over 10 years. Conclusion: This study showed that good clinical outcomes and survival can be obtained when using porous-coated anatomical uncemented femoral stems.

scholarly journals The Corail Stem as a Reverse Hybrid – Survivorship and X-Ray Analysis at 10 Years

2017 ◽  
Vol 27 (4) ◽  
pp. 354-360 ◽  
Author(s):  
Helge Wangen ◽  
Lars Nordsletten ◽  
Jens G. Boldt ◽  
Anne M. Fenstad ◽  
David E. Beverland
Keyword(s):  
Clinical Outcome ◽  
Femoral Stem ◽  
Successful Outcome ◽  
Harris Hip Score ◽  
Heterotopic Bone ◽  
Heterotopic Bone Formation ◽  
X Rays ◽  
The Mean ◽  
Cemented Cup

Background The use of a cemented cup together with an uncemented stem in total hip arthroplasty (THA) has become popular in Norway and Sweden during the last decade. The results of this prosthetic concept, reverse hybrid THA have been sparsely described. We report our experience of reverse hybrid THA, using the Elite plus polyethylene cemented cup together with the Corail fully hydroxyapatite-coated uncemented stem and a 28-mm alumina ceramic head. Patients and methods 132 consecutive reverse hybrid hip arthroplasties were performed from January 2000 to December 2003 in 126 patients with a mean age of 54.3 years (28-65). All patients were routinely reviewed at 3 months, 1, 5, 7 and 10 years postoperatively. At each follow-up patients were seen either by a consultant orthopaedic surgeon or a senior trainee. Anteroposterior pelvic and lateral x-rays of the hip were taken at each visit. To estimate the survival of the THAs we used the Kaplan-Meier method with 95% confidence interval (CI). Logistic regression analysis was performed to determine which factors affected the presence of radiolucency around the femoral stem. Results The mean follow-up was 11.1 years (9.0-14.2). 1 patient was lost to follow-up, and 7 patients were deceased at the time of 10-year follow up. At 10 years 7 patients have had further surgery. 5 for infection, 1 periprosthetic femoral fracture and 1 heterotopic bone formation. All stems were classified as well fixed. 2 cups were defined as loose at 10 years. 1 patient is scheduled for revision the other refused revision. The clinical outcome and radiological findings were assessed in 123 hips. The mean Harris Hip Score was 94 (35-100) at 10 years and the mean WOMAC score was 89 (30.2-100). Conclusions We report good results with respect to clinical outcome and survival of the reverse hybrid concept in patients younger than 65. A successful outcome depends on meticulous preoperative planning, use of modern cementing techniques in the acetabulum and experience in implanting an uncemented stem.

scholarly journals Catastrophic Failure and Metallosis of the Acetabular Component in Total Hip Arthroplasty

2021 ◽  
Author(s):  
FIRAT OZAN ◽  
Murat Kahraman ◽  
Ali Baktır ◽  
Kürşat Gençer
Keyword(s):  
Revision Arthroplasty ◽  
Femoral Stem ◽  
Harris Hip Score ◽  
Catastrophic Failure ◽  
Total Hip ◽  
Catastrophic Failures ◽  
Revision Tha ◽  
The Mean ◽  
Hip Arthroplasties

Abstract Background: To evaluate the clinical features and results of the revision total hip arthroplasties (THA) in patients with catastrophic failures and metallosis. Methods: Fifteen hips of 14 patients with catastrophic failure and metallosis in hip arthroplasties were evaluated. They were followed for at least 4.2 years after the revision THA. Clinical evaluation was performed using Harris hip score. Osteolysis, loosening or presence of metallosis was evaluated with standard radiographs. Metallosis was evaluated intraoperatively according to the metallosis severity classification. Results: The mean time from failure until revision surgery was 9.4 years. It was observed that in the primary THA, metal-on-ceramic (MoC), ceramic-on-ceramic (CoC) and metal-on-conventional polyethylene (MoCPE) bearings were used in 1, 3 and 11 hips, respectively. Grade III metallosis was observed in all patients during revision surgeries. The mean Harris hip score increased from 55 points before revision THA to 75 points at the final follow-up. In revision arthroplasty, MoCPE and CoC bearings were used in 13 and 2 hips, respectively. The femoral stem was replaced in 5 hips. All acetabular cups, except that of one hip, were revised. Conclusions: Revisions of THAs with catastrophic failures and metallosis are quite challenging. Routine follow-up of arthroplasty patients is beneficial to examine for osteolysis, loosening, and asymmetric wear.

scholarly journals Clinical outcomes and survival rate of cementless modular distal fixation femoral stem for revision hip arthroplasty: A minimum 6-year follow-up

2018 ◽  
Vol 26 (3) ◽  
pp. 230949901881224 ◽  
Author(s):  
Joon Soon Kang ◽  
Yeop Na ◽  
Bong Seong Ko ◽  
Yoon Sang Jeon
Keyword(s):  
Survival Rate ◽  
Hip Arthroplasty ◽  
Periprosthetic Fracture ◽  
Femoral Stem ◽  
Revision Hip Arthroplasty ◽  
Harris Hip Score ◽  
The Mean ◽  
Distal Fixation

Purpose: Revision hip arthroplasty is a very challenging procedure. Use of a modular distal fixation stem is one of the available options for revision arthroplasty in patients with proximal femoral bone deficiency. The purpose of this study was to evaluate mid- to long-term outcomes of cementless modular distal fixation femoral stem implantation in revision hip surgery. Methods: Clinical and radiological findings, complications, and stem survival rate were analyzed for 46 patients (48 hips) who underwent revision hip arthroplasty using a cementless modular distal fixation femoral stem. The mean patient age was 58.8 years (range 31–82 years) and the mean follow-up period was 95 months (72–122 months). The preoperative diagnoses were aseptic loosening (36 hips), infection (4 hips), ceramic fracture (4 hips), and femoral periprosthetic fracture (4 hips). Results: The mean Harris hip score improved from 56.6 preoperatively to 88.2 postoperatively at the last follow-up. All hips showed stable osteointegration and firm fixation. Complications involved four hips (8.3%); there was one case each of periprosthetic fracture, delayed union of osteotomy site, femoral perforation, and infection. One stem re-revision was performed for deep infection of the femoral side. The Kaplan–Meier survival rate was 97.6% at the final follow-up. Conclusion: Revision hip arthroplasty using a cementless modular distal fixation femoral stem showed satisfactory initial firm fixation and mid- to long-term survival rate. Complications can be minimized by careful surgical planning and meticulous procedure.

scholarly journals Medium Term Outcome of Lancaster Cortical Window Technique For Extraction of Femoral Stem in Revision Hip Arthroplasty

2021 ◽  
Author(s):  
Amit Singh ◽  
Sunirmal Mukherjee ◽  
Kuntal Patel ◽  
Deepak Herlekar ◽  
Srikant Gandavaram ◽  
...  
Keyword(s):  
Hip Arthroplasty ◽  
Revision Surgery ◽  
Femoral Stem ◽  
Revision Hip Arthroplasty ◽  
Medium Term ◽  
Term Outcome ◽  
Window Technique ◽  
Femoral Stems ◽  
The Mean

Abstract Background The extraction of a femoral stem during the revision hip arthroplasty can be a daunting task and can lead to catastrophic complications for the patient. A sound technique employed intraoperatively helps in speedy recovery of the patient and reduces the risk of future surgical interventions. In this study, we present a medium-term outcome of our novel Lancaster Cortical Window technique which can be used for removal of cemented or uncemented femoral stems. Methodology The study was conducted at a specialist centre in the North-West of the UK from January 2014 to May 2019. This is a retrospective case series where patients were treated surgically using Lancaster Cortical Window technique for removal of femoral implant during a revision hip arthroplasty. Patient’s electronic notes and the radiographs were used to evaluate the functional and radiological outcome. Results In this study, 18 patients were managed surgically using Novel Lancaster Window technique. The mean age of the all the patients was 81.5 years and the male to female ratio was 10:8. Fifteen patients underwent revision surgery for aseptic loosening of the femoral and acetabular component. Rest of the three patients had revision surgery for a broken femoral stem, intraoperative femoral canal perforation while implanting a total hip replacement femoral stem and infection. Twelve femurs were replanted with uncemented long femoral stems and six with long cemented stems. The cortical window osteotomy united in all the patients in 4.2 months (mean). The mean follow up of these patients is 20.9 months, and none of them had any implant subsidence or loosening at the time of their last follow up. Conclusion We believe Lancaster cortical window technique can be safely used for removal of cemented stems during revision hip arthroplasty without the need for expensive equipment’s.

scholarly journals EVALUATION OF THE RESULTS OF CEMENTLESS TOTAL HIP ARTHROPLASTY IN PATIENTS WITH STAGES IV, V AND VI OSTEONECROSIS OF THE FEMORAL HEAD

2020 ◽  
Vol 62 (1) ◽  
Author(s):  
Đắc Việt Mai ◽  
Thu Thủy Nguyễn
Keyword(s):  
Femoral Head ◽  
Total Hip Arthroplasty ◽  
Hip Arthroplasty ◽  
Bone Ingrowth ◽  
Femoral Stem ◽  
Stage Iv ◽  
Harris Hip Score ◽  
Total Hip ◽  
The Mean

This study aimed to report the outcome of total hip arthroplasty (THA) with an extensive hydroxyapatite (HA) coating for the fixation of a tapered femoral stem (Corail) in patients aged 60 or younger than sixty years with stage IV, V và VI osteonecrosis of femoral head. Subject and method: Descriptive prospective research of ninety osteonecrotic hips in ninety patients were available for clinical and radiographic analyses at minimum follow-up of 5 years. Results and Conclusion: The mean Harris hip score improved from 43.74 ± 9,25points preoperatively to 96.67 ± 3.82points at final follow-up. Seventy-four (100%) hips demonstrated stable bone ingrowth. No hips showed acetabular or femoral osteolysis radiolucency and loosening, or required revision for aseptic loosening. We believe that cementless THA with a Corail stem is a promising procedure for patients with osteonecrosis of the femoral head.

scholarly journals Results of primary THA using 36 mm femoral heads on first-generation highly cross-linked polyethylene in patients less than 60 years of age: Minimum 10-year follow-ups

2020 ◽  
Vol 28 (1) ◽  
pp. 230949901989644
Author(s):  
Myung-Rae Cho ◽  
Chung-Mu Jun ◽  
Kyung-Tae Kim ◽  
Suk Kyun Song ◽  
Won-Kee Choi
Keyword(s):  
Wear Rate ◽  
First Generation ◽  
Femoral Stem ◽  
Long Term Results ◽  
Harris Hip Score ◽  
Acetabular Cup ◽  
Wear Rates ◽  
Femoral Heads ◽  
The Mean

Purpose: Long-term results of total hip arthroplasty (THA) using highly cross-linked polyethylene (HXLPE) and metal femoral head with more than 10 years of follow-up have already been reported. However, most studies included results with a head size of 28 mm that could affect wear rates. The aim of this study was to evaluate the results of 36-mm metallic femoral heads on first-generation HXLPE in patients less than 60 years of age with a minimum follow-up of 10 years. Methods: Retrospective analysis included 54 cases from 47 patients. The mean age at the time of surgery was 47.22 years and the mean follow-up period was 131.04 months. Porous-coated cementless acetabular cups (Trilolgy®; Zimmer Inc., Warsaw, Indiana, USA) and HXLPE acetabular liners (Longevity®; Zimmer Inc.) were used for all cases. Acetabular cup abduction angles, anteversion angles, and wear rates of liner were measured using polyWare pro 3D distal version 5.10. Results: The average modified Harris hip score at the final follow-up was 88.48 (range 80–96). Average Merle d’Aubigne and Postel score was 15.57 (range 14–18). There was no acetabular cup or femoral stem failing due to aseptic loosening. The average steady-state wear rate determined using radiographs taken at 1 year postoperatively and at the latest follow-up was 0.053 ± 0.025 mm/year. There were no statistically significant differences in liner wear rate with respect to age, variety of the femoral stem, or liner thickness. Conclusion: Results of THA with 36-mm metallic femoral heads on first-generation HXLPE in patients less than 60 years of age were satisfactory.

scholarly journals Medium term outcome of Lancaster cortical window technique for extraction of femoral stem in revision hip arthroplasty

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Amit Singh ◽  
Sunirmal Mukherjee ◽  
Kuntal Patel ◽  
Deepak Herlekar ◽  
Srikant Gandavaram ◽  
...  
Keyword(s):  
Hip Arthroplasty ◽  
Revision Surgery ◽  
Femoral Stem ◽  
Revision Hip Arthroplasty ◽  
Medium Term ◽  
Term Outcome ◽  
Window Technique ◽  
Femoral Stems ◽  
The Mean

Abstract Background The extraction of a femoral stem during the revision hip arthroplasty can be a daunting task and can lead to catastrophic complications for the patient. A sound technique employed intraoperatively helps in the speedy recovery of the patient and reduces the risk of future surgical interventions. In this study, we present a medium-term outcome of our novel Lancaster cortical window technique which can be used for the removal of cemented or uncemented femoral stems. Methods The study was conducted at a specialist centre in the north-west of the UK from January 2014 to May 2019. This is a retrospective case series where patients were treated surgically using the Lancaster cortical window technique for removal of the femoral implant during a revision hip arthroplasty. Patient’s electronic notes and radiographs were used to evaluate the functional and radiological outcome. Results In this study, 18 patients were managed surgically using the novel Lancaster window technique. The mean age of all the patients was 81.5 years, and the male to female ratio was 10:8. Fifteen patients underwent revision surgery for aseptic loosening of the femoral and acetabular components. The rest of the three patients had revision surgery for a broken femoral stem, intraoperative femoral canal perforation while implanting a total hip replacement femoral stem and infection. Twelve femurs were replanted with uncemented long femoral stems and six with long cemented stems. The cortical window osteotomy united in all the patients in 4.2 months (mean). The mean follow-up of these patients is 20.9 months, and none of them had any implant subsidence or loosening at the time of their last follow-up. Conclusion We believe Lancaster cortical window technique can be safely used for the removal of cemented stems during revision hip arthroplasty without the need for expensive equipment.

scholarly journals Implant Breakage Risk for Modular Fluted Tapered Stems in Revision Total Hip Arthroplasty at 5-Year Follow-Up

2020 ◽  
Author(s):  
Thibaut Lucena ◽  
Etienne Cavaignac ◽  
Philippe Chiron ◽  
Nicolas Reina
Keyword(s):  
Aseptic Loosening ◽  
Clinical Outcomes ◽  
Joint Infection ◽  
Case Series ◽  
Femoral Stem ◽  
Harris Hip Score ◽  
Total Hip ◽  
Huge Impact ◽  
Implant Breakage

Abstract Background: Modular stems in revision total hip arthroplasties allow diaphyseal fixation and optimal restoration of the architecture of the proximal femur. Several studies report metaphyseal implant breakage in the mid- to long-term and therefore a huge impact on survivorship. We aimed to evaluate a specific design of uncemented modular fluted tapered stems (MFT) to analyze survivorship and clinical and radiological outcomes.Methods: In a retrospective study, we identified 99 patients who had surgery using the same design of MFT implant between 2012 and 2014. Patients were mainly male in 53% and mean age was 73 years. Indications were 33 aseptic loosening, 24 periprosthetic fractures, 23 periprosthetic joint infection, 1 instability and 18 were complex primary arthroplasties. Survivorship, complications and clinical outcomes, were assessed. Mean follow-up was 5 years.Results: There was no implant breakage. At 5-year follow-up, the survivorship free of revision for aseptic loosening and free of revision for any reason of the femoral stem were 100% and 99%, respectively. At last follow-up, they were 94% and 81%, respectively. Six implants were revised. A mean stem subsidence of 6 mm was noted in 9 cases; 1 was revised for aseptic loosening. The Harris hip score was 89. The risk of revision was significantly higher for shorter diaphyseal implants (p=0.026).Conclusion: At mid-term follow-up of 5 years, the MFT studied reported an excellent survivorship and clinical outcomes with no specific complications. Unlike literature reports, no specific complications occurred with this design. Satisfying clinical outcomes and limited subsidence are consistent with previous reports though.Level of evidence: IV – Case series

scholarly journals Catastrophic failure and metallosis of the acetabular component in total hip arthroplasty

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Fırat Ozan ◽  
Murat Kahraman ◽  
Ali Baktır ◽  
Kürşat Gençer
Keyword(s):  
Revision Arthroplasty ◽  
Femoral Stem ◽  
Harris Hip Score ◽  
Catastrophic Failure ◽  
Total Hip ◽  
Catastrophic Failures ◽  
Revision Tha ◽  
The Mean ◽  
Hip Arthroplasties

Abstract Background To evaluate the clinical features and results of the revision total hip arthroplasties (THA) in patients with catastrophic failures and metallosis. Methods Fifteen hips of 14 patients with catastrophic failure and metallosis in hip arthroplasties were evaluated. They were followed for at least 4.2 years after the revision THA. Clinical evaluation was performed using Harris hip score. Osteolysis, loosening or presence of metallosis was evaluated with standard radiographs. Metallosis was evaluated intraoperatively according to the metallosis severity classification. Results The mean time from failure until revision surgery was 9.4 years. It was observed that in the primary THA, metal-on-ceramic (MoC), ceramic-on-ceramic (CoC) and metal-on-conventional polyethylene (MoCPE) bearings were used in 1, 3 and 11 hips, respectively. Grade III metallosis was observed in all patients during revision surgeries. The mean Harris hip score increased from 55 points before revision THA to 75 points at the final follow-up. In revision arthroplasty, MoCPE and CoC bearings were used in 13 and 2 hips, respectively. The femoral stem was replaced in 5 hips. All acetabular cups, except that of one hip, were revised. Conclusions Revisions of THAs with catastrophic failures and metallosis are quite challenging. Routine follow-up of arthroplasty patients is beneficial to examine for osteolysis, loosening, and asymmetric wear.

scholarly journals Extensively hydroxyapatite-coated long femoral stem revision hip arthroplasty: Clinical outcome and survivorship in 11 to 17.5 years follow up

2021 ◽  
pp. 221049172098511
Author(s):  
Liu Wing Hong ◽  
Chung Kwong Yin ◽  
Cheung Kin Wing ◽  
Chiu Kwok Hing ◽  
Ho Ki Wai Kevin
Keyword(s):  
Survival Rate ◽  
Clinical Outcome ◽  
Hip Arthroplasty ◽  
Femoral Stem ◽  
Revision Hip Arthroplasty ◽  
Harris Hip Score ◽  
High Survival ◽  
Stem Revision ◽  
The Mean

Extensively coated long femoral stem revision hip arthroplasty is based on the principle of distal fixation at diaphyseal region, which can overcome the problem of proximal femoral bone stock deficiencies causing inadequate support and unstable fixation when using conventional length femoral stem. We performed a retrospective cohort analysis of 43 cases of revision hip arthroplasties using extensively hydroxyapatite-coated long femoral stem performed in our department from Jan 1998 to Dec 2005. Patients’ background demographic data, operative details and clinical outcome were analyzed. The mean age at revision surgery was 63.7 (32–84). The mean follow-up period was of 13.8 years (11–17.5 years). In the latest follow up, all patients reported either no or mild hip or thigh pain. 29.2% of patients were able to walk unaided, 25.0% were able to walk with stick, and 33.3% were able to walk with quadripod. The average Harris hip score measured in the latest follow up was 78.8 (55–100). 4.7% were complicated with implant loosening requiring re-revision and 4.7% were complicated with implant infection requiring implant removal. The survival rate was 89.9% at 17.5 years. The femoral stem without femoral fixation augmentation had better survivorship as compared with those with augmentation (p = 0.038). Extensively hydroxyapatite-coated long femoral stem is a good option for revision hip arthroplasty with good clinical outcome and high survival rate.

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