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Reine S, Romero J, Collett G, Pierce B, Podeszwa D, Starr A, Wells J. In Vitro Investigation of Column Fixation Constructs for Periacetabular Osteotomy: Which Provide the Greatest Stiffness and Strength? Arthroplast Today 2024; 25:101291. [PMID: 38304245 PMCID: PMC10830504 DOI: 10.1016/j.artd.2023.101291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 09/19/2023] [Accepted: 11/04/2023] [Indexed: 02/03/2024] Open
Abstract
Background Periacetabular osteotomy (PAO) is an effective surgical procedure for managing acetabular dysplasia. The purpose of this study was to analyze the biomechanical properties of novel PAO constructs that incorporate orthopaedic trauma techniques. We hypothesize that these fixation methods will create a stiffer construct that tolerates higher loads to failure. Methods Twenty bio-composite hemi-pelvises underwent PAO with the following fixation configurations: Group A: 4 iliac crest (IC) screws; Group B: 3 IC screws; Group C: 2 IC screws, 1 retrograde anterior column (AC) screw, and 1 lateral compression type-2 (LC2) screw directed from the anterior inferior iliac spine to the posterior inferior iliac spine; Group D: 1 AC screw, 1 LC2 screw, 1 posterior column screw; Group E: 2 LC2 screws, 1 AC screw. Constructs were loaded to failure on a material testing hydraulic press, and ultimate strength, stiffness, and osteotomy displacement were measured. Results The highest load to failure was seen in group D (2511 N), which was significantly more than groups A (1528 N, P = .0114) and B (1348 N, P < .0001). The stiffest construct was group E (602 N/mm) compared to groups A (315 N/mm, P = .0439) and B (243 N/mm, P = .0008). Failure occurred most often with a fracture in the posterior column. Conclusions This study supports column fixation methods used in orthopaedic trauma for PAO as biomechanically advantageous to traditional fixation techniques. These constructs may be beneficial to patients with weight-bearing concerns or early rehabilitation needs.
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Affiliation(s)
- Seth Reine
- Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Jose Romero
- Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Garen Collett
- Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Bill Pierce
- Department of Orthopaedic Surgery, Texas Scottish Rite Hospital for Children, Dallas, TX, USA
| | - David Podeszwa
- Department of Orthopaedic Surgery, Texas Scottish Rite Hospital for Children, Dallas, TX, USA
| | - Adam Starr
- Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Joel Wells
- Department of Orthopaedic Surgery, Baylor Scott & White Hip Preservation Center, McKinney, TX, USA
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Laboret B, Bialaszewski R, Gaddis J, Middleton E, Kendall B, Lynch K, Stewart A, Wells J. A social media analysis of patient-perceived complications following periacetabular osteotomy (PAO): a retrospective observational study. BMC Surg 2024; 24:36. [PMID: 38267893 PMCID: PMC10809620 DOI: 10.1186/s12893-024-02318-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/09/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND Social media is a popular resource for patients seeking medical information and sharing experiences. Periacetabular osteotomy (PAO) is an accepted treatment for symptomatic acetabular dysplasia with a low published complication profile in specialty centers. Little is known regarding patient reporting of complications on social media following PAO. The purpose of this study was to describe the patient-perceived complications of PAO posted on social media and analyze how additional factors (postoperative timeframe, concomitant surgery) correlate with these complication posts. METHODS Facebook and Instagram were queried from 02/01/18-02/01/23; Twitter was searched over an extended range back to 02/01/11. Facebook posts (1054) were collected from the two most populated interest groups; "Periacetabular Osteotomy" and "PAO Australia." Instagram posts (1003) and Tweets (502) were found using the same five most popular hashtags: #PAOwarrior, #periacetabularosteotomy, #periacetabularosteotomysurgery, #PAOsurgery, and #PAOrecovery. Posts were assessed for demographic data, perspective, timing (early postoperative or late postoperative), additional surgeries, type of complication, and post engagement. RESULTS Facebook posts (1054), Instagram posts (1003), and Tweets (502) were assessed; 13.6% of posts included a complication. The majority of complications were reported > 6 months postoperatively with excessive pain being the most common complication (57.2%), including chronic pain (41.8%), acute pain (6.7%), and nerve pain (8.8%). Bony complications (6.7%), neurologic/psychiatric complications (3.8%), swelling (1.7%), infection (1.4%), other specified complications (16.2%), and unspecified complications (10.2%) were reported. Complication posts were found to be correlated with postoperative timeframe and concomitant surgery. Post engagement decreased in complication-related posts. CONCLUSIONS Few patients posted a perceived complication associated with PAO surgery. Of those who did, the majority reported unmanageable pain during the late postoperative period. Posts including a perceived complication were found to be positively correlated with postoperative timeframe and negatively correlated with concomitant surgery. This study found a higher pain complication rate, but a lower overall complication rate compared to prior studies. Considering the social media reported complications of PAO patients in addition to traditional outcome measures reveals which aspects of postoperative recovery are most important to patients themselves.
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Affiliation(s)
- Bretton Laboret
- University of Texas Southwestern Medical School, Dallas, TX, USA.
| | | | - John Gaddis
- University of Texas Rio Grande Valley, Edinburg, TX, USA
| | - Emily Middleton
- Department of Physical Therapy - School of Health Professions, University of Texas Southwestern, 6011 Harry Hines Blvd., Dallas, TX, 75390-8876, USA
| | - Brittany Kendall
- Baylor Scott & White Outpatient Rehabilitation - Frisco, 3800 Gaylord Pkwy Ste 130, Frisco, TX, 75034, USA
| | - Katie Lynch
- Baylor Scott & White Outpatient Rehabilitation - Frisco, 3800 Gaylord Pkwy Ste 130, Frisco, TX, 75034, USA
| | - Adina Stewart
- Department of Orthopedic Surgery, Baylor Scott and White Hip Preservation Center, 5220 W University Dr Ste 220, McKinney, TX, 75071, USA
| | - Joel Wells
- Department of Orthopedic Surgery, Baylor Scott and White Hip Preservation Center, 5220 W University Dr Ste 220, McKinney, TX, 75071, USA
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Bialaszewski R, Gaddis J, Laboret B, Bergman E, Mulligan EP, LaCross J, Stewart A, Wells J. Perceived outcomes of periacetabular osteotomy. Bone Jt Open 2024; 5:53-59. [PMID: 38240364 PMCID: PMC10797643 DOI: 10.1302/2633-1462.51.bjo-2023-0093.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2024] Open
Abstract
Aims Social media is a popular resource for patients seeking medical information and sharing experiences. periacetabular osteotomy (PAO) is the gold-standard treatment for symptomatic acetabular dysplasia with good long-term outcomes. However, little is known regarding the perceived outcomes of PAO on social media. The aims of this study were to describe the perceived outcomes following PAO using three social media platforms: Facebook, Instagram, and X (formerly known as Twitter). Methods Facebook, Instagram, and X posts were retrospectively collected from 1 February 2023. Facebook posts were collected from the two most populated interest groups: "periacetabular osteotomy" and "PAO Australia." Instagram and X posts were queried using the most popular hashtags: #PAOwarrior, #periacetabularosteotomy, #periacetabularosteotomyrecovery, #PAOsurgery, and #PAOrecovery. Posts were assessed for demographic data (sex, race, location), perspective (patient, physician, professional organization, industry), timing (preoperative vs postoperative), and perceived outcome (positive, negative, neutral). Results A total of 1,054 Facebook posts, 1,003 Instagram posts, and 502 X posts were consecutively assessed from 887 unique authors. The majority (63.3%) of these posts were from patients in the postoperative period, with a median of 84 days postoperatively (interquartile range 20 to 275). The longest follow-up timeframe postoperatively was 20 years. Regarding perceived outcomes, 52.8% expressed satisfaction, 39.7% held neutral opinions, and 7.5% were dissatisfied. Most dissatisfied patients (50.9%) reported pain (chronic or uncontrolled acute) as an attributing factor. Conclusion Most PAO-perceived surgical outcomes on social media had a positive tone. Findings also indicate that a small percentage of patients reported negative perceived outcomes. However, dissatisfaction with PAO primarily stemmed from postoperative pain. Social media posts from other sources (physicians, hospitals, professional organizations, etc.) trend towards neutrality. Healthcare providers must consider the social media narratives of patients following PAO, as they may reveal additional outcome expectations and help improve patient-centred care, create informed decision-making, and optimize treatment outcomes.
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Affiliation(s)
- Ryan Bialaszewski
- The University of Texas Rio Grande Valley School of Medicine, Edinburg, Texas, USA
| | - John Gaddis
- The University of Texas Rio Grande Valley School of Medicine, Edinburg, Texas, USA
| | - Bretton Laboret
- University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | | | | | | | - Adina Stewart
- Baylor Scott & White Hip Preservation Center and Comprehensive Hip Center, McKinney, Texas, USA
| | - Joel Wells
- Baylor Scott & White Hip Preservation Center and Comprehensive Hip Center, McKinney, Texas, USA
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O’Brien MJM, Semciw AI, Mechlenburg I, Tønning LCU, Stewart CJW, Kemp JL. Pain, function and quality of life are impaired in adults undergoing periacetabular osteotomy (PAO) for hip dysplasia: a systematic review and meta-analysis. Hip Int 2024; 34:96-114. [PMID: 37306161 PMCID: PMC10787396 DOI: 10.1177/11207000231179610] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 03/26/2023] [Indexed: 06/13/2023]
Abstract
BACKGROUND Hip dysplasia is a common condition in active adults with hip pain that can lead to joint degeneration. Periacetabular osteotomy (PAO) is a common surgical treatment for hip dysplasia. The effect of this surgery on pain, function and quality of life (QOL) has not been systematically analysed. PURPOSE In adults with hip dysplasia: (1) evaluate differences in pain, function and QOL in those undergoing PAO and healthy controls; (2) evaluate pre- to post-PAO changes in pain, function and QOL; (3) evaluate differences in pain, function and QOL in those with mild versus severe dysplasia, undergoing PAO; and (4) evaluate differences in pain, function and QOL in those having primary PAO versus those with previous hip arthroscopy. METHODS A comprehensive, reproducible search strategy was performed on 5 different databases. We included studies that assessed pain, function and QOL in adults undergoing PAO for hip dysplasia, using hip-specific patient reported outcomes measures. RESULTS From 5017 titles and abstracts screened, 62 studies were included. Meta-analysis showed PAO patients had worse outcomes pre- and post-PAO compared to healthy participants. Specifically, pain (standardised mean difference [SMD] 95% confidence interval [CI]): -4.05; -4.78 to -3.32), function (-2.81; -3.89 to -1.74), and QOL (-4.10; -4.43 to -3.77) were significantly poorer preoperatively.Meta-analysis found patients experienced improvements following PAO. Pain improved from pre-surgery to 1-year (standardised paired difference [SPD] 1.35; 95% CI, 1.02-1.67) and 2 years postoperatively (1.35; 1.16-1.54). For function, the activities of daily living scores at 1 year (1.22; 1.09-1.35) and 2 years (1.06; 0.9-1.22) and QOL at 1 year (1.36; 1.22-1.5) and 2 years (1.3; 1.1-1.5) all improved. No difference was found between patients undergoing PAO with mild versus severe dysplasia. CONCLUSIONS Before undergoing PAO surgery, adults with hip dysplasia have worse levels of pain, function and QOL compared to healthy participants. These levels improve following PAO, but do not reach the same level as their healthy participants. REGISTRATION PROSPERO (CRD42020144748).
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Affiliation(s)
- Michael JM O’Brien
- Latrobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia
- MOG Sports Medicine, Melbourne Orthopaedic Group, Windsor, Victoria, Australia
| | - Adam I Semciw
- Department of Physiotherapy, Podiatry and Prosthetics and Orthotics, La Trobe University, Bundoora, Victoria, Australia
| | - Inger Mechlenburg
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Lisa CU Tønning
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Chris JW Stewart
- Latrobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia
| | - Joanne L Kemp
- Latrobe Sports Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia
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Verhaegen JCF, Ojaghi R, Kim P, Schwarz AJ, Bingham J, Grammatopoulos G. Selective THA-approach use amongst junior surgeons improves safety of introducing the anterior approach: a prospective, multi-surgeon, comparative, study. Arch Orthop Trauma Surg 2023; 143:6829-6836. [PMID: 37119326 DOI: 10.1007/s00402-023-04895-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 04/16/2023] [Indexed: 05/01/2023]
Abstract
BACKGROUND Learning curves associated with independent practice and anterior approach total hip arthroplasty (AA-THA) has been associated with inferior outcome. This study compared outcome of junior, fellowship-trained, surgeons who perform THA through both anterior and posterior (PA) approach, with senior surgeons who perform either AA or PA, to determine whether: 1. Fellowship training and selective practice allows for safe introduction of AA into practice; and 2. Whether selective approach-use influences outcome. METHODS This is a prospective, consecutive study comparing the first 800 THAs of two junior, dual-approach, surgeons (AA/PA: 455/345), with 400 THAs cases of two senior, single-approach, surgeons (AA/PA: 200/200), between 2018 and 2020. Most patients were female (54.4%), mean age was 65 years-old (range 19-96) and mean BMI was 29 kg/m2 (range 16-66). Outcome included radiologic measurements (inclination/anteversion and leg-length), complication- and revision rates, and patient-reported outcomes including Oxford Hip Score (OHS). RESULTS At 3.1 years (range 2.0-6.8) follow-up, there were 43 complications (3.6%), including 27 re-operations (2.3%); with no difference between junior and senior surgeons for AA-THA (Junior: 8/455 vs. Senior: 3/200; p = 0.355) or PA-THA (Junior: 11/345 vs. Senior: 5/200; p = 0.400). Amongst juniors, there was no difference in complications (AA:8/455 vs. PA:11/345; p = 0.140) and in ΔOHS (AA:20.5 ± 7.7 vs. PA:20.5 ± 8.0; p = 0.581) between approaches. CONCLUSION Contemporary training and selective approach-use minimizes the learning curve, allowing junior staff to have equivalent outcome to established, senior surgeons in both AA and PA. We would advocate for selective approach use amongst junior arthroplasty surgeons when introducing the AA into independent practice.
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Affiliation(s)
- Jeroen C F Verhaegen
- Division of Orthopaedic Surgery, The Ottawa Hospital, 501 Smyth Road, Critical Care Wing, Suite CCW 1638, Ottawa, ON, K1H 8L6, Canada
- University Hospital Antwerp, Edegem, Belgium
- Orthopaedic Centre Antwerp, Antwerp, Belgium
| | - Reza Ojaghi
- Division of Orthopaedic Surgery, The Ottawa Hospital, 501 Smyth Road, Critical Care Wing, Suite CCW 1638, Ottawa, ON, K1H 8L6, Canada
| | - Paul Kim
- Division of Orthopaedic Surgery, The Ottawa Hospital, 501 Smyth Road, Critical Care Wing, Suite CCW 1638, Ottawa, ON, K1H 8L6, Canada
| | - Adam J Schwarz
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, AZ, USA
| | - Josh Bingham
- Department of Orthopedic Surgery, Mayo Clinic, Phoenix, AZ, USA
| | - George Grammatopoulos
- Division of Orthopaedic Surgery, The Ottawa Hospital, 501 Smyth Road, Critical Care Wing, Suite CCW 1638, Ottawa, ON, K1H 8L6, Canada.
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Wei T, Xiao F, He X, Peng P, He W, He M, Wei Q. A bibliometric analysis and visualization of research trends on periacetabular osteotomy. J Hip Preserv Surg 2023; 10:181-191. [PMID: 38162277 PMCID: PMC10757413 DOI: 10.1093/jhps/hnad038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 09/07/2023] [Accepted: 10/07/2023] [Indexed: 01/03/2024] Open
Abstract
Bernese periacetabular osteotomy (PAO) is a practical and safe acetabular reorientation technique used to correct structural hip deformities, and much relevant literature has been published over the past decades. This bibliometric study aims to determine the status of PAO research between 1994 and 2022. Information about PAO research publications from 1994 to 2022 was obtained from the Web of Science Core Collection. This bibliometric study is implemented and analyzed through three bibliometric tools with respect to publication counts, countries, institutions, authors, journals, funding agencies, references and keywords. In total, 634 publications concerning PAO were identified. The United States and Washington University in St. Louis have published the most literature in terms of country and institution. Additionally, Switzerland and the University of Bern are the country and the institution with the highest average number of citations in the PAO field. The most published and co-cited journal is Clinical Orthopaedics and Related Research. Burst keyword detection has discovered that 'patient-reported outcome', 'instability', 'risk', 'survivorship' and 'outcome' are regarded as the current research frontier. In summary, our findings provide insight into the bibliometric overview of research status in the PAO field, which may offer later investigators' references in exploring further research directions.
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Affiliation(s)
| | - Fangjun Xiao
- Guangzhou University of Chinese Medicine, No. 16, Jichang Road, Baiyun District, Guangzhou 510407, P.R. China
| | - Xiaoming He
- Guangdong Research Institute for Orthopedics and Traumatology of Chinese Medicine, No. 261, Longxi Road, Liwan District, Guangzhou 510378, P.R. China
- Joint Center, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 261, Longxi Road, Liwan District, Guangzhou 510378, P.R. China
| | - Peng Peng
- Guangzhou University of Chinese Medicine, No. 16, Jichang Road, Baiyun District, Guangzhou 510407, P.R. China
| | - Wei He
- Guangdong Research Institute for Orthopedics and Traumatology of Chinese Medicine, No. 261, Longxi Road, Liwan District, Guangzhou 510378, P.R. China
- Joint Center, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 261, Longxi Road, Liwan District, Guangzhou 510378, P.R. China
| | - Mincong He
- Guangdong Research Institute for Orthopedics and Traumatology of Chinese Medicine, No. 261, Longxi Road, Liwan District, Guangzhou 510378, P.R. China
- Joint Center, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 261, Longxi Road, Liwan District, Guangzhou 510378, P.R. China
| | - Qiushi Wei
- Guangdong Research Institute for Orthopedics and Traumatology of Chinese Medicine, No. 261, Longxi Road, Liwan District, Guangzhou 510378, P.R. China
- Joint Center, The Third Affiliated Hospital of Guangzhou University of Chinese Medicine, No. 261, Longxi Road, Liwan District, Guangzhou 510378, P.R. China
- Guangzhou University of Chinese Medicine, No. 16, Jichang Road, Baiyun District, Guangzhou 510407, P.R. China
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Verhaegen JCF, Wei R, Kim P, Beaulé PE, Corten K, Grammatopoulos G. The Safety and Efficacy of the Anterior Approach Total Hip Arthroplasty as per Body Mass Index. J Arthroplasty 2023; 38:314-322.e1. [PMID: 35987493 DOI: 10.1016/j.arth.2022.08.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/09/2022] [Accepted: 08/11/2022] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Obesity is associated with component malpositioning and increased revision risk after total hip arthroplasty (THA). With anterior approaches (AAs) becoming increasingly popular, the goal of this study was to assess whether clinical outcome post-AA-THA is affected by body mass index (BMI). METHODS This multicenter, multisurgeon, consecutive case series used a prospective database of 1,784 AA-THAs (1,597 patients) through bikini (n = 1,172) or standard (n = 612) incisions. Mean age was 63 years (range, 20-94 years) and there were 57.5% women, who had a mean follow-up of 2.7 years (range, 2.0-4.1 years). Patients were classified into the following BMI groups: normal (BMI < 25.0; n = 572); overweight (BMI: 25.0-29.9; n = 739); obese (BMI: 30.0-34.9; n = 330); and severely obese (BMI ≥ 35.0; n = 143). Outcomes evaluated included hip reconstruction (inclination/anteversion and leg-length, complications, and revision rates) and patient-reported outcomes including Oxford Hip Scores (OHS). RESULTS Mean postoperative leg-length difference was 2.0 mm (range: -17.5 to 39.0) with a mean cup inclination of 34.8° (range, 14.0-58.0°) and anteversion of 20.3° (range, 8.0-38.6°). Radiographic measurements were similar between BMI groups (P = .1-.7). Complication and revision rates were 2.5% and 1.7%, respectively. The most common complications were fracture (0.7%), periprosthetic joint infection (PJI) (0.5%), and dislocation (0.5%). There was no difference in dislocation (P = .885) or fracture rates (P = .588) between BMI groups. There was a higher rate of wound complications (1.8%; P = .053) and PJIs (2.1%; P = .029) among obese and severely obese patients. Wound complications were less common among obese patients with the 'bikini' incision (odds ratio 2.7). Preoperative OHS was worse among the severely obese (P < .001), which showed similar improvements (Change in OHS; P = .144). CONCLUSION AA-THA is a credible option for obese patients, with low dislocation or fracture risk and excellent ability to reconstruct the hip, leading to comparable functional improvements among BMI groups. Obese patients have a higher risk of PJIs. Bikini incision for AA-THA can help minimize the risk of wound complications.
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Affiliation(s)
- Jeroen C F Verhaegen
- Division of Orthopaedic Surgery, The Ottawa Hospital, Critical Care Wing, Ottawa, Ontario, Canada; Department of Orthopaedics and Traumatology, Ziekenhuis Oost-Limburg, Genk, Belgium; University of Antwerp, Antwerp, Belgium
| | - Roger Wei
- Division of Orthopaedic Surgery, The Ottawa Hospital, Critical Care Wing, Ottawa, Ontario, Canada
| | - Paul Kim
- Division of Orthopaedic Surgery, The Ottawa Hospital, Critical Care Wing, Ottawa, Ontario, Canada
| | - Paul E Beaulé
- Division of Orthopaedic Surgery, The Ottawa Hospital, Critical Care Wing, Ottawa, Ontario, Canada
| | - Kristoff Corten
- Department of Orthopaedics and Traumatology, Ziekenhuis Oost-Limburg, Genk, Belgium; University of Hasselt, Hasselt, Belgium
| | - George Grammatopoulos
- Division of Orthopaedic Surgery, The Ottawa Hospital, Critical Care Wing, Ottawa, Ontario, Canada
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Verhaegen JC, Schreiber A, Balust C, Menon A, Dille J, Corten K. Perioperative Operating Room Efficiency Can Make Simultaneous Bilateral Total Hip Arthroplasty Cost-effective: A Proposal for a Value-sharing Model. Arthroplast Today 2022; 18:202-211.e1. [PMID: 36561552 PMCID: PMC9764026 DOI: 10.1016/j.artd.2022.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 08/22/2022] [Accepted: 09/13/2022] [Indexed: 11/06/2022] Open
Abstract
Background Increasing demand for total hip arthroplasty (THA) and rising health-care costs have led hospitals to improve operating room (OR) efficiency. We compare the cost-effectiveness of a simultaneous bilateral THA to that of staged unilateral procedures following the implementation of OR efficiency strategies. Methods Between 2017 and 2019, 446 simultaneous and 238 staged bilateral primary THA patients (mean age 61.3 ± 12.0 years; 41.8% males/58.2% females; mean body mass index 27.2 ± 4.8 kg/m2) were treated by a single surgeon using an efficient, standardized workflow for efficient direct anterior approach THA on a standard operating table. There were no differences in inclusion criteria between both groups. From this cohort, 16 simultaneous bilateral THAs and 34 unilateral THAs were prospectively compared for cost-effectiveness using detailed timestamp measurements and data on personnel and material usage. Outcome was assessed based on complication and reoperation rate and patient-reported outcome measures. Results There was a complication rate of 1.2%, without a difference between patients who underwent a simultaneous THA vs those who underwent a staged primary THA (5/446; 1.1% vs 3/238; 1.3% P = .386). The mean OR time (patient in/out and turnover time) was 109.4 ± 19.8 minutes for bilateral THAs and 133.8 ± 12.8 minutes for 2 unilateral THAs (P < .001). An 18% time-saving and 14% cost-saving was achieved per procedure. Sharing 5% of the cost-saving with the surgeon brings benefit to both the hospital and surgeon. Conclusions Implementing OR efficiency improves cost-effectiveness of simultaneous bilateral THA compared to unilateral procedures. A new value-sharing model could be a solution to align incentives.
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Affiliation(s)
- Jeroen C.F. Verhaegen
- Hip Unit, Orthopaedic Department, Ziekenhuis Oost-Limburg, Genk, Belgium
- Universitair Ziekenhuis Antwerpen, Edegem, Belgium
- Orthopedic Center Antwerp, Antwerp, Belgium
| | | | - Clara Balust
- Digital Efficiency in Orthopedics, Genk, Belgium
| | | | - Jeroen Dille
- Digital Efficiency in Orthopedics, Genk, Belgium
| | - Kristoff Corten
- Hip Unit, Orthopaedic Department, Ziekenhuis Oost-Limburg, Genk, Belgium
- Heuppraktijk/European Hip Clinic, Herselt, Belgium
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Periacetabular osteotomy to treat hip dysplasia: a systematic review of harms and benefits. Arch Orthop Trauma Surg 2022; 143:3637-3648. [PMID: 36175675 DOI: 10.1007/s00402-022-04627-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 09/18/2022] [Indexed: 11/02/2022]
Abstract
INTRODUCTION Periacetabular osteotomy (PAO) is often performed in patients with hip dysplasia. The aim of this systematic review and meta-analysis was to evaluate the harms and benefits of PAO in patients with hip dysplasia in studies reporting both adverse events and patient-reported hip pain and function. MATERIALS AND METHODS A systematic search combing PAO and patient-reported outcomes was performed in the databases MEDLINE, CINAHL, EMBASE, Sports Discuss and PsychINFO. Studies including both harms and benefits defined as adverse events and patient-reported hip pain and function were included. Risk of bias was assessed using The Cochrane Risk of Bias In Non-Randomized Studies - of Interventions. RESULTS Twenty-nine cohort studies were included, of which six studies included a comparison group. The majority of studies had serious risk of bias and the certainty of evidence was very low. The proportion of adverse events was 4.3 (95% CI 3.7; 4.9) for major adverse events and 14.0 (95% CI 13.0; 15.1) for minor adverse events. Peroneal nerve dysfunction was the most frequent adverse event among the major adverse events, followed by acetabular necrosis and delayed union or non-union. All patient-reported hip pain and function scores improved and exceeded the minimal clinically important differences after PAO. After 5 years, scores were still higher than the preoperative scores. CONCLUSION PAO surgery has a 4% risk of major, and 14% risk of minor adverse events and a positive effect on patient-reported hip pain and function among patients with hip dysplasia.
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Morris WZ, Justo PGS, Williams KA, Kim YJ, Millis MB, Novais EN. The incidence and risk factors for stress fracture following periacetabular osteotomy. Bone Joint J 2022; 104-B:1017-1024. [PMID: 36047021 DOI: 10.1302/0301-620x.104b9.bjj-2021-1391.r3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS The aims of this study were to characterize the incidence and risk factors associated with stress fractures following periacetabular osteotomy, and to determine their effect on osteotomy union. METHODS We retrospectively reviewed all periacetabular osteotomies (PAOs) performed for developmental dysplasia of the hip (DDH) at one institution over a six-year period between 2012 and 2017. Perioperative factors were recorded, and included demographic and surgical data. Postoperatively, patients were followed for a minimum of one year with anteroposterior and false profile radiographs of the pelvis to monitor for evidence of stress fracture and union of osteotomies. We characterized the incidence and locations of stress fractures, and used univariate and multivariable analysis to identify factors predictive of stress fracture and the association of stress fracture on osteotomy union. RESULTS A total of 331 patients underwent PAO during the study period with 56 (15.4%) stress fractures: 46 fractures of the retroacetabular posterior column, five cases of ischiopubic stress fracture, and five cases of concurrent ischiopubic and retroacetabular stress fractures. Overall, 86% (48/56) healed without intervention. Univariate analysis revealed that stress fractures occurred more frequently in females (p = 0.040), older patients (mean age 27.6 years (SD 8.4) vs 23.8 (SD 9.0); p = 0.003), and most often with the use of the broad Mast chisel (28.5%; p < 0.001). Multivariable analysis revealed that increasing age (odds ratio (OR) 1.04; 95% CI 1.01 to 1.07; p = 0.028) and use of the broad Mast chisel (OR 5.1 (95% CI 1.3 to 19.0) compared to narrow Ganz chisel; p = 0.038) and surgeon (p = 0.043) were associated with increased risk of stress fracture. Patients with stress fractures were less likely to have healed osteotomies after one-year follow-up (76% vs 96%; p < 0.001). CONCLUSION Stress fracture of the posterior column may be an under-recognized complication following PAO, and the rate may be influenced by surgical technique. Consideration should be given to using a narrow chisel during the ischial cut to reduce the risk of stress propagation through the posterior column.Cite this article: Bone Joint J 2022;104-B(9):1017-1024.
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Affiliation(s)
- William Z Morris
- Orthopaedic Surgery, Texas Scottish Rite Hospital for Children, Dallas, USA.,Department of Orthopaedic Surgery, University of Texas, Southwestern Medical Center, Dallas, Texas, USA
| | - Pedro G S Justo
- Instituto de Ortopedia e Traumatologia, Santa Catarina, Brazil
| | - Kathryn A Williams
- Institutional Centers for Clinical and Translational Research, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Young-Jo Kim
- Department of Orthopaedic Surgery, Child and Young Adult Hip Preservation Program at Boston Children's Hospital, Boston, Massachusetts, USA
| | - Michael B Millis
- Department of Orthopaedic Surgery, Child and Young Adult Hip Preservation Program at Boston Children's Hospital, Boston, Massachusetts, USA
| | - Eduardo N Novais
- Department of Orthopaedic Surgery, Child and Young Adult Hip Preservation Program at Boston Children's Hospital, Boston, Massachusetts, USA
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11
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Chen K, Wu J, Shen C, Zhu J, Chen X, Xia J. Periacetabular osteotomy with or without femoral osteotomy for the treatment of hip subluxation in children and young adults with cerebral palsy. BMC Musculoskelet Disord 2022; 23:809. [PMID: 36002815 PMCID: PMC9404622 DOI: 10.1186/s12891-022-05754-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 08/10/2022] [Indexed: 11/17/2022] Open
Abstract
Background This study is aimed to investigate retrospectively the radiographic and clinical outcomes in children and young adults with cerebral palsy (CP) undergoing periacetabular osteotomy (PAO) with or without femoral osteotomy (FO) for hip subluxation. Methods A consecutive cohort of twenty-one patients (23 hips) with symptomatic CP hip subluxation were treated with PAO with or without FO and reviewed retrospectively. Two patients (2 hips) were excluded due to insufficient follow-up and lost to follow-up, respectively. The Reimers migration percentage, lateral center-edge angle (LCEA), Sharp angle, neck-shaft angle (NSA), femoral anteversion (FNA), Gross Motor Function Classification System (GMFCS) and hip pain were assessed. Results Twenty-one hips (19 patients) with CP treated with PAO with or without FO were included. Five hips received PAO. Sixteen hips underwent PAO with FO. Mean age at surgery was 19 ± 6 and 15 ± 4 years for PAO and PAO plus FO, respectively. Mean follow-up was 44.0 ± 28.3 months for PAO and 41.5 ± 17.2 months for PAO + FO. All hips were painful before surgery and painless at final visits. The GMFCS improved by one level in 10 of 19 patients. There was significant increase in LCEA (p < 0.001) and decrease in the Reimer’s MP (p < 0.001), NSA (p < 0.001) and Tonnis angle(p < 0.001) postoperatively. Resubluxation occurred in 7 hips (30%) due to insufficient correction and loosening of fixation. Nervus cutaneus femoris lateralis was impaired in 4 patients after surgery. There was no avascular necrosis of the femoral head, resubluxation or infection. Conclusion PAO with or without FO can be effective for children and young adults with concomitant hip subluxation and CP.
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Affiliation(s)
- Kangming Chen
- Department of Orthopaedics, Huashan Hospital, Fudan University, No.12 Middle Wulumuqi Road, Jing'an District, 200040, Shanghai, China
| | - Jinyan Wu
- Department of Orthopaedics, Xinhua Hospital affiliated to Shanghai Jiao Tong University, School of medicine, No.1665, Kongjiang Road, Yangpu District, Shanghai, 200092, People's Republic of China
| | - Chao Shen
- Department of Orthopaedics, Xinhua Hospital affiliated to Shanghai Jiao Tong University, School of medicine, No.1665, Kongjiang Road, Yangpu District, Shanghai, 200092, People's Republic of China
| | - Junfeng Zhu
- Department of Orthopaedics, Xinhua Hospital affiliated to Shanghai Jiao Tong University, School of medicine, No.1665, Kongjiang Road, Yangpu District, Shanghai, 200092, People's Republic of China
| | - Xiaodong Chen
- Department of Orthopaedics, Xinhua Hospital affiliated to Shanghai Jiao Tong University, School of medicine, No.1665, Kongjiang Road, Yangpu District, Shanghai, 200092, People's Republic of China.
| | - Jun Xia
- Department of Orthopaedics, Huashan Hospital, Fudan University, No.12 Middle Wulumuqi Road, Jing'an District, 200040, Shanghai, China.
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12
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Bech-Jørgensen S, Larsen JB, Barroso J, Jakobsen SS, Mechlenburg I. Trajectory for 66 patients treated with periacetabular osteotomy (PAO) and subsequent total hip arthroplasty: a follow-up study including 1378 hips from the Aarhus PAO database. Arch Orthop Trauma Surg 2022:10.1007/s00402-022-04590-3. [PMID: 35986746 DOI: 10.1007/s00402-022-04590-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 08/10/2022] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Outcomes for patients treated with PAO and subsequent total hip arthroplasty (THA) remain unclear. We evaluated patient-reported outcomes among patients treated with PAO and subsequent THA and investigated differences in the number of additional surgical procedures after PAO among patients treated with PAO and subsequent THA and patients treated with PAO only. MATERIALS AND METHODS 1378 hips underwent PAO and subsequently 66 hips were treated with THA. We evaluated the Hip disability and Osteoarthritis Outcome Score (HOOS) and physical activity questions for the 66 hips. Additional surgery after PAO was identified through inquiry to the Danish National Patient Registry. RESULTS 13% undergoing PAO and subsequent THA reported a HOOS pain score ≤ 50 indicating a clinical failure. The risk difference for hip arthroscopy after PAO within 2 and 4 years was 14% (CI 5-23%) and 26% (CI 15-38%) in favor of hips treated with PAO only. Similarly, the risk difference for screw removal within 2 and 4 years was 19% (CI 8-29%) and 23% (CI 12-34%). CONCLUSION 87% of patients undergoing PAO and subsequent THA had little or no hip pain. However, these patients received a high number of additional surgeries after PAO. Surgeons and patients may consider if additional surgery after PAO may be the first choice in a series of actions leading to conversion to THA.
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Affiliation(s)
- Sofie Bech-Jørgensen
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus N, Denmark.
| | - Josefine Beck Larsen
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus N, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus N, Denmark
| | - João Barroso
- Orthopaedic Department, Hospital Pedro Hispano, Senhora da Hora, Portugal
| | - Stig Storgaard Jakobsen
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus N, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus N, Denmark
| | - Inger Mechlenburg
- Department of Orthopaedic Surgery, Aarhus University Hospital, Aarhus N, Denmark
- Department of Clinical Medicine, Aarhus University, Aarhus N, Denmark
- Department of Public Health, Aarhus University, Aarhus N, Denmark
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13
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Baraka MM, Sallam HE, Abdelwahab MM. Periacetabular osteotomy: A novel application of modified Stoppa approach. SICOT J 2022; 8:33. [PMID: 35969124 PMCID: PMC9377214 DOI: 10.1051/sicotj/2022035] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 06/27/2022] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND The Bernese periacetabular osteotomy (PAO) is a well-established procedure for symptomatic hip dysplasia in adolescents and young adults. However, it remains a technically demanding procedure, and several major complications have been described, many of which are related to the approach and surgical exposure. The current study evaluates the efficacy and safety of PAO performed through a modified Stoppa approach. METHODS A prospective series of nine consecutive patients with hip dysplasia were treated PAO through the modified Stoppa approach. The mean age was 22.4 years (15-30 years) and the mean follow-up was 3.2 years (2-5 years). Harris hip score (HHS) was used as a functional score, and the radiographic indices included the lateral center-edge angle (LCEA) and Tönnis roof angle. RESULTS The approach allowed the osteotomy lines to be performed under direct visualization from the intra-pelvic surface of the acetabulum, aided by fluoroscopy. A lateral window was added to perform the final iliac cut and for subsequent mobilization and fixation of the acetabular fragment. The mean HHS improved significantly from 70.8 ± 4.9 points to 90.1 ± 3.3 points (p < 0.001). The mean LCEA improved from 8.2° ± 4.9 (range: 0-14) to 32.7° ± 5.3 (range: 26-40), with a mean improvement of 24.5°. The mean Tönnis angle improved from 28.4° ± 4.4 (range: 22-35) to 3.8° ± 3.3 (range: 0-10). Two patients had irritation from prominent screw heads that necessitated removal 1 year after the index procedure. One patient had radiographic progression of osteoarthritis. No cases of infection, non-union, heterotopic ossification, or nerve palsy were identified till the latest follow-up. CONCLUSION Ganz PAO can be safely conducted through the modified Stoppa approach, providing direct exposure to the osteotomized surfaces, and protecting susceptible neuro-vascular structures. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Mostafa M. Baraka
- Division of Paediatric Orthopaedics and Limb Reconstruction, Department of Orthopaedic Surgery, Faculty of Medicine, Ain-Shams University Abbasia 11517 Cairo Egypt
| | - Haitham E. Sallam
- Division of Hip Reconstruction, Department of Orthopaedic Surgery, Faculty of Medicine, Ain-Shams University Abbasia 11517 Cairo Egypt
| | - Mahmoud M. Abdelwahab
- Division of Arthroscopy and Sports Medicine, Department of Orthopaedic Surgery, Faculty of Medicine, Ain-Shams University Abbasia 11517 Cairo Egypt
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14
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O’Brien MJM, Jones DM, Semciw AI, Balakumar J, Grabinski R, Roebert J, Coburn GM, Mechlenburg I, Kemp JL. Does the use of i-FACTOR bone graft affect bone healing in those undergoing periacetabular osteotomy (PAO) for developmental dysplasia of the hip (DDH)? A retrospective study. J Hip Preserv Surg 2022; 9:165-171. [PMID: 37063347 PMCID: PMC10093896 DOI: 10.1093/jhps/hnac027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 03/02/2022] [Accepted: 05/11/2022] [Indexed: 04/18/2023] Open
Abstract
ABSTRACT
The aims of this study were to compare, in patients with and without the use of i-FACTOR bone graft during periacetabular osteotomy (PAO) surgery for developmental dysplasia of the hip (DDH), (i) bone healing at six-weeks post-operatively (ii) rate of complications. This was a retrospective review of case records. Participants were people aged 15-50 years undergoing rectus-sparing minimally invasive PAO surgery for DDH. Group 1: patients with i-FACTOR, Group 2: No i-FACTOR. The primary outcome was the rate of bone healing on radiographs at 6 weeks. The likelihood of bone healing was compared using logistic regression with Generalised Estimating Equations (GEE) and expressed as odds ratios (95% confidence intervals (CIs; P < 0.05)). The occurrence of complications was extracted from surgical records. The i-FACTOR group had 3-times greater odds of partial/full union than those without [adjusted odds ratio (95% CIs, P-value)]: [3.265 (1.032 to 10.330, P = 0.044)]. The i-FACTOR group had 89% partial/full union at 6-weeks, compared to 69% of the non-i-FACTOR group. Half of the patients had leaking of bone graft in the i-FACTOR group versus 10% in the non-i-FACTOR group, 26% of the i-FACTOR group and 12% of the non-i-FACTOR group had neuropraxia of the lateral femoral cutaneous nerve (LFCN). Complication rates were low, and similar between groups. However, the rate of LFCN neuropraxia and bone graft leakage was higher in the i-FACTOR. These findings should be confirmed in a future prospective randomised clinical trial and include outcomes such as pain and quality of life.
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Affiliation(s)
| | | | - Adam Ivan Semciw
- Department of Physiotherapy, Podiatry, and
Prosthetics and Orthotics, La Trobe University, Melbourne, VIC 3086,
Australia
| | | | - Rafal Grabinski
- Victoria House Imaging, I-Med
Radiology, Melbourne, VIC 3141, Australia
| | - Justin Roebert
- Victoria House Imaging, I-Med
Radiology, Melbourne, VIC 3141, Australia
| | - Georgia M Coburn
- La Trobe Sport and Exercise Medicine Research
Centre, La Trobe University, Melbourne, VIC 3086, Australia
| | - Inger Mechlenburg
- Department of Orthopaedics, Aarhus University
Hospital, Aarhus 8200, Denmark
- Department of Clinical Medicine, Aarhus
University, Aarhus 8200, Denmark
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15
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Amer MH, Dunlop DG. Recurrent Post-traumatic Posterior Hip Dislocation Treated Using a Bone Block Technique: Case Report and a Review of the Literature. JBJS Case Connect 2022; 12:01709767-202206000-00044. [PMID: 37440473 DOI: 10.2106/jbjs.cc.22.00113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
CASE A 26-year-old man presented with recurrent native hip dislocation after an initially traumatic posterior right hip dislocation. The combined soft-tissue and bony deficiency was addressed using an autologous bone block technique, as previously popularized for shoulder instability. Thirteen years postoperatively, no subsequent dislocations occurred, and the patient has an excellent functional outcome. CONCLUSION The bone block technique for hip stabilization can be used to address focal acetabular deficiencies with promising long-term follow-up.
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Affiliation(s)
- Mohammad H Amer
- University Hospital of Southampton NHS Trust, Southampton, United Kingdom
- Department of Trauma and Orthopaedics, Cairo University, Cairo, Egypt
| | - Douglas G Dunlop
- University Hospital of Southampton NHS Trust, Southampton, United Kingdom
- Department of Orthopaedics, Southampton University, Southampton, United Kingdom
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16
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Parilla FW, Nepple JJ, Pashos GE, Schoenecker PL, Clohisy JC. Is combined surgical dislocation and proximal femoral osteotomy a safe procedure for correction of complex hip deformities? J Hip Preserv Surg 2022; 9:126-133. [PMID: 35854803 PMCID: PMC9291356 DOI: 10.1093/jhps/hnac011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 01/14/2022] [Accepted: 03/08/2022] [Indexed: 11/30/2022] Open
Abstract
Complex deformities of the hip requiring intra-articular and proximal femoral correction are challenging with regard to surgical access and complication risk. Combined surgical dislocation and proximal femoral osteotomy (SD/PFO) is a surgical strategy that provides unrestricted access to the joint with the capability for adjunctive PFO. Although providing excellent surgical access, concerns over a potentially high risk of postoperative complications remain, and published information on the safety of this technique remain scarce. In this study, we defined the early complication profile of combined surgery across 48 hips with a variety of complex deformities using a standardized, validated complication grading scheme for hip preservation surgery. Patients were mean age 19.1 years 13–33 years and 60% had previous surgery. At the early mean follow-up of 2.9 years, considerable improvement was seen across all outcome scores. Major complications (Grade III or higher) occurred at a rate of 4.2% (n = 2). Both were osteotomy non-unions, and both were treated successfully with revision PFO and bone grafting at mean 1.1 years. To our knowledge, the current series of combined SD-PFO surgeries represents the largest to date for which detailed complication data have been reported. Given the complexity of these disorders, a major complication rate of 4.2% is acceptable. Our complication rates were comparable to those reported for isolated SD and PFO procedures. These rates did not vary significantly across morphologic variants or patient-specific characteristics. Additionally, our complication risk profile is consistent with previous, smaller reports, which supports the generalizability of these results among appropriately experienced surgeons.
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Affiliation(s)
- Frank W Parilla
- Department of Orthopaedic Surgery, Washington University School of Medicine, Campus Box 8233, 660 S. Euclid Ave., Saint Louis, MO 63110, USA
| | - Jeffrey J Nepple
- Department of Orthopaedic Surgery, Washington University School of Medicine, Campus Box 8233, 660 S. Euclid Ave., Saint Louis, MO 63110, USA
| | - Gail E Pashos
- Department of Orthopaedic Surgery, Washington University School of Medicine, Campus Box 8233, 660 S. Euclid Ave., Saint Louis, MO 63110, USA
| | - Perry L Schoenecker
- Department of Orthopaedic Surgery, Washington University School of Medicine, Campus Box 8233, 660 S. Euclid Ave., Saint Louis, MO 63110, USA
| | - John C Clohisy
- Department of Orthopaedic Surgery, Washington University School of Medicine, Campus Box 8233, 660 S. Euclid Ave., Saint Louis, MO 63110, USA
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17
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Kamachi Y, Kinoshita K, Sakamoto T, Matsunaga T, Yamamoto T. Bone union status of all osteotomy sites one year after curved periacetabular osteotomy based on computed tomography. Orthop Traumatol Surg Res 2021; 107:102955. [PMID: 33945851 DOI: 10.1016/j.otsr.2021.102955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 11/25/2020] [Accepted: 12/08/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND Curved periacetabular osteotomy (CPO) is a joint-preservation surgery to treat acetabular dysplasia. It is performed via an anterior approach with the osteotomy of the anterosuperior iliac spine (ASIS). One of the complications associated with CPO includes non-union of the osteotomy sites. However, all osteotomy sites including the ASIS have not been simultaneously evaluated. Therefore, we investigated: (1) the bone union status of all osteotomy sites; and (2) the predictors of non-union at one year after CPO based on computed tomography (CT). HYPOTHESIS The bone union status may be different in each osteotomy site. PATIENTS AND METHODS This retrospective review included 147 hips of 124 patients with symptomatic acetabular dysplasia who underwent CPO from 2011 to 2018. At one year postoperatively, we evaluated the bone union status of all osteotomy sites: the ASIS, ischium, pubis, and ilium using CT and investigated the predictors for achieving bone union. RESULTS Bone union was confirmed in both the ASIS and ilium in all cases. In contrast, ischial and pubic non-union was confirmed 15/147 hips (10.2%) and 42/147 hips (28.5%), respectively. The multivariate analysis revealed that the predictors of ischial non-union were both large width of the gap at the pubic osteotomy site and small postoperative acetabular roof obliquity, and that the predictor of pubic non-union was large width of the gap at the pubic osteotomy site. DISCUSSION At one year after CPO, both the ASIS and ilium obtained complete bone union, while ischial and pubic non-union were observed. Large width of the gap at the pubic osteotomy site was the predictor of both ischial and pubic non-union. In CPO, sufficient bone union can be achieved at the ASIS and the ilium, while it is necessary to reduce the width of the gap at the pubic osteotomy site to prevent ischial and pubic non-union. LEVEL OF EVIDENCE IV; retrospective study.
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Affiliation(s)
- Yuki Kamachi
- Department of Orthopaedic Surgery, Fukuoka University Faculty of Medicine, 7-45-1 Nanakuma, Jonan-ku, 814-0180 Fukuoka, Japan
| | - Koichi Kinoshita
- Department of Orthopaedic Surgery, Fukuoka University Faculty of Medicine, 7-45-1 Nanakuma, Jonan-ku, 814-0180 Fukuoka, Japan
| | - Tetsuya Sakamoto
- Department of Orthopaedic Surgery, Fukuoka University Faculty of Medicine, 7-45-1 Nanakuma, Jonan-ku, 814-0180 Fukuoka, Japan
| | - Taiki Matsunaga
- Department of Orthopaedic Surgery, Fukuoka University Faculty of Medicine, 7-45-1 Nanakuma, Jonan-ku, 814-0180 Fukuoka, Japan
| | - Takuaki Yamamoto
- Department of Orthopaedic Surgery, Fukuoka University Faculty of Medicine, 7-45-1 Nanakuma, Jonan-ku, 814-0180 Fukuoka, Japan.
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18
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Verhaegen J, Salih S, Thiagarajah S, Grammatopoulos G, Witt JD. Is a periacetabular osteotomy as efficacious in retroversion as it is in dysplasia? : The role of femoral anteversion on outcome. Bone Jt Open 2021; 2:757-764. [PMID: 34543579 PMCID: PMC8479841 DOI: 10.1302/2633-1462.29.bjo-2021-0096.r2] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Aims Periacetabular osteotomy (PAO) is an established treatment for acetabular dysplasia. It has also been proposed as a treatment for patients with acetabular retroversion. By reviewing a large cohort, we aimed to test whether outcome is equivalent for both types of morphology and identify factors that influenced outcome. Methods A single-centre, retrospective cohort study was performed on patients with acetabular retroversion treated with PAO (n = 62 hips). Acetabular retroversion was diagnosed clinically and radiologically (presence of a crossover sign, posterior wall sign, lateral centre-edge angle (LCEA) between 20° and 35°). Outcomes were compared with a control group of patients undergoing PAO for dysplasia (LCEA < 20°; n = 86 hips). Femoral version was recorded. Patient-reported outcome measures (PROMs), complications, and reoperation rates were measured. Results The mean Non-Arthritic Hip Score (NAHS) preoperatively was 58.6 (SD 16.1) for the dysplastic hips and 52.5 (SD 12.7) for the retroverted hips (p = 0.145). Postoperatively, mean NAHS was 83.0 (SD 16.9) and 76.7 (SD 17.9) for dysplastic and retroverted hips respectively (p = 0.041). Difference between pre- and postoperative NAHS was slightly lower in the retroverted hips (18.3 (SD 22.1)) compared to the dysplastic hips (25.2 (SD 15.2); p = 0.230). At mean 3.5 years’ follow-up (SD 1.9), one hip needed a revision PAO and no hips were converted to total hip arthroplasty (THA) in the retroversion group. In the control group, six hips (7.0%) were revised to THA. No differences in complications (p = 0.106) or in reoperation rate (p = 0.087) were seen. Negative predictors of outcome for patients undergoing surgery for retroversion were female sex, obesity, hypermobility, and severely decreased femoral anteversion. Conclusion A PAO is an effective surgical intervention for acetabular retroversion and produces similar improvements when used to treat dysplasia. Femoral version should be routinely assessed in these patients and when extremely low (< 0°), as an additional procedure to address this abnormality may be necessary. Females with signs of hypermobility should also be consulted of the likely guarded improvement. Cite this article: Bone Jt Open 2021;2(9):757–764.
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Affiliation(s)
- Jeroen Verhaegen
- University Hospital Antwerp, Edegem, Belgium.,Orthopaedics, University College Hospital, London, UK
| | - Saif Salih
- Orthopaedics, University College Hospital, London, UK.,Trauma & Orthopaedics, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK.,The University of Sheffield, Sheffield, UK
| | - Shankar Thiagarajah
- The University of Sheffield, Sheffield, UK.,Doncaster and Bassetlaw Hospitals NHS Foundation Trust, Doncaster, UK
| | | | - Johan D Witt
- Orthopaedics, University College Hospital, London, UK
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19
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Smith GW, Lightfoot NJ, Munro JT, Boyle MJ. Erratum to: Does hip preservation fellowship training flatten the learning curve associated with periacetabular osteotomy? J Hip Preserv Surg 2021. [PMID: 34379058 DOI: 10.1093/jhps/hnaa046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
[This corrects the article DOI: 10.1093/jhps/hnaa046.][This corrects the article DOI: 10.1093/jhps/hnaa046.].
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Affiliation(s)
- Guy W Smith
- Department of Orthopaedic Surgery, Starship Children's Hospital, 2 Park Road, Grafton, Auckland 1023, New Zealand
| | - Nicholas J Lightfoot
- Department of Anaesthesia and Pain Medicine, Middlemore Hospital, 100 Hospital Road, Otahuhu, Auckland 2025, New Zealand
| | - Jacob T Munro
- Department of Orthopaedic Surgery, Auckland City Hospital, Auckland 1023, New Zealand
| | - Matthew J Boyle
- Department of Orthopaedic Surgery, Starship Children's Hospital, 2 Park Road, Grafton, Auckland 1023, New Zealand
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20
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Beck EC, Gowd AK, Paul K, Chahla J, Marquez-Lara AJ, Rasio J, Irie T, Williams J, Nho SJ. Pelvic osteotomies for acetabular dysplasia: Are there outcomes, survivorship and complication differences between different osteotomy techniques? J Hip Preserv Surg 2021; 7:764-776. [PMID: 34377519 PMCID: PMC8349594 DOI: 10.1093/jhps/hnab009] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 12/09/2020] [Accepted: 01/13/2021] [Indexed: 01/06/2023] Open
Abstract
The purpose of this study was to evaluate the safety and efficacy of Periacetabular osteotomy (PAO), rotational acetabular osteotomy (RAO), and eccentric rotational acetabular osteotomy (ERAO) for treating hip dysplasia by comparing complication rates, survivorship, and functional outcomes after treatment. A systematic review in the MEDLINE and CINAHL databases was performed, and studies reporting outcomes after pelvic osteotomy for hip dysplasia with a minimum of 1-year follow-up or reported postoperative complications was included. Patient demographics, radiographic measurements, patient reported outcomes including the modified Harris hip score (mHHS), complications using the modified Clavien-Dindo classification, and reoperations were extracted from each study. A meta-analysis of outcome scores, complications, change in acetabular coverage, and revision rates for the 3 pelvic osteotomies was performed. A total of 47 articles detailing outcomes of 6,107 patients undergoing pelvic osteotomies were included in the final analysis. When stratified by procedure, RAO had a statistically greater change in LCEA when compared to PAO (33.9° vs 18.0°; P <0.001). The average pooled mHHS improvement was 15.6 (95% CI: 8.3–22.8, I2= 99.4%). Although ERAO had higher mean score improvements when compared to RAO and PAO, the difference was not statistically significant (P >0.05). Lastly, patients undergoing PAO had a statistically greater complication rate than those undergoing ERAO and RAO (P <0.001 for both), while revision rate was not statistically different between the 3 techniques. In summary, there are many more publications on PAO surgery with a wide range of reported complications. Complications after ERAO and RAO surgery are lower than PAO surgery in the literature, but it is unclear whether this represents an actual difference or a reporting bias. Lastly, there are no significant differences between revisions, or postoperative reported outcomes between the 3 techniques.
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Affiliation(s)
- Edward C Beck
- Department of Orthopedic Surgery, Wake Forest Baptist Health, Medical Center Blvd., Winston-Salem, NC 27157, USA
| | - Anirudh K Gowd
- Department of Orthopedic Surgery, Wake Forest Baptist Health, Medical Center Blvd., Winston-Salem, NC 27157, USA
| | - Katlynn Paul
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison St, Chicago, IL 60612, USA
| | - Jorge Chahla
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison St, Chicago, IL 60612, USA
| | - Alejandro J Marquez-Lara
- Department of Orthopedic Surgery, Wake Forest Baptist Health, Medical Center Blvd., Winston-Salem, NC 27157, USA
| | - Jonathan Rasio
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison St, Chicago, IL 60612, USA
| | - Torhu Irie
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison St, Chicago, IL 60612, USA
| | - Joel Williams
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison St, Chicago, IL 60612, USA
| | - Shane J Nho
- Department of Orthopedic Surgery, Rush University Medical Center, 1611 W. Harrison St, Chicago, IL 60612, USA
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Kim CH, Kim JW. Periacetabular osteotomy vs. total hip arthroplasty in young active patients with dysplastic hip: Systematic review and meta-analysis. Orthop Traumatol Surg Res 2020; 106:1545-1551. [PMID: 33189660 DOI: 10.1016/j.otsr.2020.08.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 08/13/2020] [Accepted: 08/18/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND In young active patients with hip dysplasia, choosing between periacetabular osteotomy (PAO) and total hip arthroplasty (THA) is challenging. MATERIALS AND METHODS We systematically searched Medline, Embase, and Cochrane Library for studies published until October 10, 2019, comparing PAO and THA in patients with dysplastic hip. We compared postoperative complications' incidences, end-stage revisions, and clinical scores. RESULTS Five studies with 431 hips (PAO: 235; THA: 196) were included. The incidence of overall and major complications was not different between groups (PAO: OR 2.14; 95% CI, 0.58-7.96; p=0.26; follow-up, 4-7.8 years; THA: OR 2.56; 95% CI, 0.60-10.98; p=0.21; follow-up, 4-7.8 years). There was also no difference in end-stage revision (OR 0.95; 95% CI, 0.33-2.79; p=0.93; follow-up, 4-7.8 years). The standard mean of Western Ontario McMasters Universities (WOMAC) pain score was higher in the THA than in the PAO group (standardized mean difference [SMD] -0.57; 95% CI, -0.93--0.21; p=0.002; follow-up, 4-5.5 years); however, the WOMAC functional score did not differ significantly between groups (SMD -0.16; 95% CI, -1.29-0.97; p=0.78; follow-up, 4-5.5 years). The standard mean UCLA activity index was higher in the PAO than in the THA group (SMD 0.28; 95% CI, 0.02-0.53; p=0.03; follow-up, 5.9-7.3 years). CONCLUSIONS The incidence of postoperative complications and revision surgery was not different between THA and PAO groups. However, postoperative pain was less in the THA group and the activity score was higher in the PAO group in the follow-up periods. LEVEL OF EVIDENCE III; meta-analysis.
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Affiliation(s)
- Chul-Ho Kim
- Department of Orthopedic Surgery, Gachon University Gil Medical Center, Incheon, Republic of Korea
| | - Ji Wan Kim
- Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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What Proportion of Patients Undergoing Bernese Periacetabular Osteotomy Experience Nonunion, and What Factors are Associated with Nonunion? Clin Orthop Relat Res 2020; 478:1648-1656. [PMID: 32452931 PMCID: PMC7310515 DOI: 10.1097/corr.0000000000001296] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND The Bernese periacetabular osteotomy (PAO) is one of the most-used surgical techniques to treat symptomatic acetabular dysplasia. Although good functional and radiographic short-term and long-term outcomes have been reported, several complications after PAO have been described. One complication that may compromise clinical results is nonunion of an osteotomy. However, the exact prevalence and risk factors associated with nonunion are poorly elucidated. QUESTIONS/PURPOSES (1) What proportion of patients have complete bony healing versus nonunion during the first year after PAO? (2) What is the clinical and functional impact of nonunion at a minimum of 1 year after PAO, as assessed by the modified Harris hip score (mHHS) and the Hip Disability and Osteoarthritis Outcome Score (HOOS)? (3) What patient-specific or surgery-specific factors are associated with nonunion at 6 months and at a minimum of 1 year postoperatively? METHODS Between January 2012 and December 2015, we retrospectively identified 314 patients who underwent PAO at our institution. During this period, 28 patients with a diagnosis different from symptomatic acetabular dysplasia (reverse PAO for acetabular over-coverage: n = 25; PAO for skeletal chondrodysplasia: n = 3) underwent PAO but were ineligible to participate. Hence, 286 patients underwent PAO to treat symptomatic acetabular dysplasia during the study period and were considered eligible. Inclusion criteria were patients with a complete set of postoperative radiographs (AP, Dunn lateral, and false-profile) at 12 months or more postoperatively. Eighteen percent (51 of 286) of the patients underwent staged, bilateral PAOs, but we only included the first PAO. Finally, 14% (41 of 286) of the patients were excluded because they had an incomplete set of postoperative radiographs at 12 months or more. The study comprised 245 patients. Eighty-five percent (209 of 245) of the patients were female and the mean age at surgery was 24 years ± 9 years. The healing status (complete healing vs. nonunion) was recorded for ischial, superior pubic, supraacetabular, and posterior column osteotomies at each subsequent visit. Nonunion was defined as noncontiguous osseous union with a persistent radiolucent line across any osteotomy site and was recorded at 3 months, approximately 6 months, and approximately 12 months postoperatively. Calculation of Cohen's kappa statistic coefficients showed the classification had perfect interobserver agreement (0.53; 95% confidence interval, 0.12-0.93), but there was moderate intraobserver agreement between those who healed and those with nonunion. The HOOS and mHHS were collected preoperatively and at a minimum of 1 year after PAO. The HOOS contains five separate subscales for pain, symptoms, activity of daily living, sport and recreational function, and hip-related quality of life. The HOOS responses are normalized on a scale of 0 (worst) to 100 (best). The mHHS includes pain and function scales and is overall interpreted on a scale from 0 (worst) to 100 (best). Eighty-six percent (211 of 245) of the patients with a complete set of images at their 12-month visit completed the mHHS and 89% (217 of 245) completed the HOOS. We collected information from the patients' medical records about their symptomatic status and additional treatment for nonunion. A logistic regression analysis was used to investigate factors associated with nonunion at 6 and 12 months postoperatively. RESULTS Only 45% (96 of 215) of the patients had complete radiographic healing of all osteotomy sites at the 6-month visit and 55% (119 of 215) had not healed completely. However, 92% (225 of 245) demonstrated complete radiographic healing of all osteotomy sites at approximately 1 year postoperatively. The proportion of nonunion at a minimum of 12 months after PAO was 8% (20 of 245 patients). There was no difference in the mHHS after 1 year or more of follow-up between patients with nonunion and patients with complete healing after PAO (nonunion mean mHHS: 73; 95% CI, 62-85 versus healed: 82; 95% CI, 80-85; p = 0.13) and HOOS pain (nonunion mean HOOS pain: 80; 95% CI, 71-90 versus healed: 86; 95% CI, 83-88; p = 0.16). Similarly, no difference was identified for HOOS symptoms (nonunion mean: 72; 95% CI, 63-80 versus healed: 78; 95% CI, 75-81; p = 0.11), HOOS activities of daily living (nonunion mean: 86; 95% CI, 78-94 versus healed: 91; 95% CI, 89-93; p = 0.09), HOOS sports and recreation (nonunion mean: 70; 95% CI, 57-83 versus healed: 78; 95% CI, 75-82; p = 0.18); and HOOS quality of life (nonunion mean: 60; 95% CI, 46-75 versus healed: 69; 95% CI, 65-72; p = 0.28). After controlling for potentially confounding variables such as gender, age, chisel type, and preoperative anterior center-edge angle, we found that higher BMI (per 1 k/m; odds ratio 1.14; 95% CI, 1.06-1.22; p < 0.01), older age (per 1 year; OR 1.05; 95% CI, 1.01-1.08; p < 0.01) and more-severe acetabular dysplasia as assessed by a decreased preoperative lateral center-edge angle (per 1°; OR 1.06; 95% CI, 1.02-1.11; p < 0.01) were independently associated with nonunion of one or more osteotomy sites at 6 months postoperatively. Only age was an independent predictor of nonunion at 12 months postoperatively (per 1 year; OR 1.06; 95% CI, 1.01-1.11; p = 0.02). CONCLUSIONS Our study helps us to understand radiographic healing during the first year after PAO to treat symptomatic acetabular dysplasia. Fewer than half of the patients had complete healing of their osteotomies at 6 months postoperatively. More than 90% of patients can expect to have completely healed osteotomy sites at 12 months postoperatively. Surgeons should avoid unnecessary interventions if nonunion is observed radiographically at 6 months postoperatively. Although there was no difference in the HOOS and mHHS between patients with nonunion and those with complete healing, further research with a larger cohort is needed to clarify the impact of nonunion on clinical and functional outcomes after PAO. Surgeons should consider using strategies to enhance osteotomy healing in those who undergo PAO, such as optimizing vitamin D levels and using local bone grafts in older patients, those with a high BMI, and patients with severe acetabular dysplasia. LEVEL OF EVIDENCE Level III, therapeutic study.
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Ramírez-Núñez L, Payo-Ollero J, Comas M, Cárdenas C, Bellotti V, Astarita E, Chacón-Cascio G, Ribas M. Periacetabular osteotomy for hip dysplasia treatment through a mini-invasive technique. Our results at mid-term in 131 cases. Rev Esp Cir Ortop Traumatol (Engl Ed) 2020. [DOI: 10.1016/j.recote.2020.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Ramírez-Núñez L, Payo-Ollero J, Comas M, Cárdenas C, Bellotti V, Astarita E, Chacón-Cascio G, Ribas M. Periacetabular osteotomy for hip dysplasia treatment through a mini-invasive technique. Our results at mid-term in 131 cases. Rev Esp Cir Ortop Traumatol (Engl Ed) 2020; 64:151-159. [PMID: 32197953 DOI: 10.1016/j.recot.2020.01.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 11/26/2019] [Accepted: 01/18/2020] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND AND OBJECTIVE Periacetabular osteotomy (PAO) is an accepted and worldwide technique recognized for residual dysplasia treatment and even in unstable hips with limited acetabular coverage. The aim of this study is to analyse the functional, radiological and complication results in patients treated with mini-invasive PAO. MATERIAL AND METHODS We performed a retrospective study in which we analysed 131 cases undergoing mini-invasive PAO at our centre. The degree of joint degeneration was evaluated with Tönnis scale, Wiberg angle, acetabular index (AI), anterior coverage angle (AC), joint space, complications and functional outcome with the Non-Arthritic Hip Score (NAHS) were analysed preoperatively and at the end of follow-up. RESULTS The average age was 32.3±9.5 (SD) years, 102 (77.9%) were female and 29 (22.1%) were male. 7.7±2.8 (SD) years follow up. The radiological parameters improved between the pre-surgical phase and the end of follow-up, Wiberg angle+18.5° (18.3° versus 36.8°, 95% CI 17.3 to 19.7), AC angle+13.5° (26.2° versus 39.7°, 95%CI 11.6 to 15.4) and the AI -11.1° (19.5° versus 8.4°; 95%CI -12.1 to -10,1). In addition, the functional results, with the NAHS scale, improved+31.3 points (60.7 pre-surgical versus 92 at the end of follow-up, 95% CI 28.7 to 33.8). The most common complication was transient lateral femoral cutaneous nerve hypoaesthesia in 10 cases (7%). CONCLUSION The mini-invasive PAO approach is a reproducible technique, it allows restoration of acetabular coverage and provides an improvement in functional scales as confirmed by our series.
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Affiliation(s)
- L Ramírez-Núñez
- Instituto Catalán de Traumatología y Medicina Deportiva (ICATME), Hospital Universitario Quirón Dexeus, Barcelona, España.
| | - J Payo-Ollero
- Departamento Cirugía Ortopédica y Traumatología, Clínica Universidad de Navarra, Pamplona, España
| | - M Comas
- Instituto Catalán de Traumatología y Medicina Deportiva (ICATME), Hospital Universitario Quirón Dexeus, Barcelona, España
| | - C Cárdenas
- Instituto Catalán de Traumatología y Medicina Deportiva (ICATME), Hospital Universitario Quirón Dexeus, Barcelona, España
| | - V Bellotti
- Instituto Catalán de Traumatología y Medicina Deportiva (ICATME), Hospital Universitario Quirón Dexeus, Barcelona, España
| | - E Astarita
- Instituto Catalán de Traumatología y Medicina Deportiva (ICATME), Hospital Universitario Quirón Dexeus, Barcelona, España
| | - G Chacón-Cascio
- Instituto Catalán de Traumatología y Medicina Deportiva (ICATME), Hospital Universitario Quirón Dexeus, Barcelona, España
| | - M Ribas
- Instituto Catalán de Traumatología y Medicina Deportiva (ICATME), Hospital Universitario Quirón Dexeus, Barcelona, España
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CORR Insights®: Are Complications After the Bernese Periacetabular Osteotomy Associated With Subsequent Outcomes Scores? Clin Orthop Relat Res 2019; 477:1164-1167. [PMID: 30958393 PMCID: PMC6494301 DOI: 10.1097/corr.0000000000000704] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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