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Fact Checked by Clinical Team Study Summary

Hip Dysplasia Treatment

Ha
Hayama T, Takahashi M, Otani T...
January 01, 2025
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6 min read 1,065 words Hip Dysplasia Treatment Medically Reviewed

Overview

Total hip arthroplasty (THA) is a common treatment for DDH, a condition where the hip joint doesn't form properly. Patients with high dislocation due to DDH, classified as Crowe type III or IV, face significant challenges in THA, particularly in preventing nerve complications while restoring leg length. This study examined the outcomes of THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy in patients with high hip dislocation.

The study matters because it provides valuable insights into the treatment of DDH, a condition that affects thousands of people worldwide. According to the study, THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy can provide favorable mid-term outcomes in patients with Crowe III/IV DDH. (Source: PubMed)

What This Study Examined

This study examined the clinical and radiographic outcomes of primary THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy in patients with high hip dislocation. The study aimed to identify the advantages, limitations, and possible countermeasures of this surgical approach.

Why This Matters for Patients

This study is important for patients with high dislocation due to DDH because it provides evidence-based information on the effectiveness and safety of THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy. Patients can use this information to make informed decisions about their treatment options and to discuss their concerns with their surgeons.

Medical Background

DDH is a condition where the hip joint doesn't form properly, leading to hip dysplasia. THA is a surgical procedure that involves replacing the damaged or arthritic hip joint with an artificial one. In patients with high dislocation due to DDH, THA can be challenging due to the risk of nerve complications and the need to restore leg length.

How the Procedure Works

The procedure involves using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy to replace the damaged hip joint. The osteotomy involves cutting and realigning the femur to restore leg length and improve joint mobility. The S-ROM-A modular stem is a type of prosthesis that is designed to mimic the natural movement of the hip joint.

Who Is a Candidate?

Patient who have high dislocation due to DDH, classified as Crowe type III or IV, may be candidates for THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy. Patients should discuss their treatment options with their surgeons to determine if this procedure is right for them.

Clinical Summary

  • Procedure: Total hip arthroplasty (THA) using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy
  • Typical Duration: The procedure can take several hours to complete, depending on the complexity of the case
  • Recovery: Patients can expect to spend several days in the hospital after the procedure and several weeks or months recovering at home
  • Success Rate (general): The success rate of THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy is high, with most patients experiencing significant improvements in joint mobility and functional ability

Study Methodology

The study was a retrospective review of patients who underwent THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy for high dislocation due to DDH. The study included 45 hips (37 patients) with a mean age of 65 years and a mean follow-up duration of 10.7 years.

Patient Selection Criteria

Patient were selected based on their diagnosis of high dislocation due to DDH, classified as Crowe type III or IV. Patients who underwent THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy were included in the study.

Outcome Measures

The study examined the clinical and radiographic outcomes of THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy, including joint mobility, functional ability, and bone union at the osteotomy site.

Results & Findings

The study found that THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy provided favorable mid-term outcomes in patients with Crowe III/IV DDH. The study reported a low rate of complications, including no cases of postoperative infection, symptomatic pulmonary embolism, or neurological complications in the legs.

Key Outcomes

The study reported significant improvements in joint mobility and functional ability after THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy. The study also reported a high rate of bone union at the osteotomy site, with no cases of nonunion except for one case that required repeat surgery.

Complications & Risks

The study reported a low rate of complications, including early postoperative dislocation in two hips (4%) and nonunion at the osteotomy site in one hip (2%). Repeat surgery was required in only one case of nonunion.

Key Takeaways for Patients

  • THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy can provide favorable mid-term outcomes in patients with Crowe III/IV DDH
  • Patient should discuss their treatment options with their surgeons to determine if this procedure is right for them
  • Patient should ask their surgeons about the potential risks and benefits of THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy, including the risk of nonunion and dislocation

Frequently Asked Questions

What is DDH?
DDH is a condition where the hip joint doesn't form properly, leading to hip dysplasia. It is a common cause of hip arthritis in young adults.
What is THA?
THA is a surgical procedure that involves replacing the damaged or arthritic hip joint with an artificial one. It is a common treatment for DDH and other conditions that cause hip arthritis.
What is an S-ROM-A modular stem?
An S-ROM-A modular stem is a type of prosthesis that is designed to mimic the natural movement of the hip joint. It is used in THA to replace the damaged or arthritic hip joint.
What is oblique subtrochanteric shortening osteotomy?
Oblique subtrochanteric shortening osteotomy is a surgical procedure that involves cutting and realigning the femur to restore leg length and improve joint mobility.
What are the potential risks and benefits of THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy?
The potential benefits of THA using an S-ROM-A modular stem with oblique subtrochanteric shortening osteotomy include significant improvements in joint mobility and functional ability. The potential risks include nonunion and dislocation.
More on: Hip Dysplasia Treatment Last reviewed: August 2, 2026

Community Disclaimer

This article reflects personal experiences and insights shared by members of the limb lengthening community. It is intended for informational and discussion purposes only, and does not constitute medical advice, diagnosis, or treatment. Individual experiences may vary. Always consult with a qualified orthopedic surgeon before making any medical decisions regarding limb lengthening procedures.

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Treatment options for AI include periodontal therapy, including crown lengthening, and prosthetic rehabilitation with ceramic crowns. What is crown lengthening? Crown lengthening is a surgical procedure that involves reshaping the gum tissue and bone around the teeth to expose more of the tooth structure, allowing for the placement of a crown or other prosthetic device. What are the potential complications and risks associated with crown lengthening and prosthetic rehabilitation? Potential complications and risks include periodontal disease, root canal narrowing, and tooth or crown fracture. How long does the treatment process typically take? The treatment process can take several months to a year or more, depending on the complexity of the case and the individual patient's needs. 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Clinical Insight

Monteggia Fracture Treatment

OverviewChronic Monteggia fractures (CMFs) are a type of complex forearm injury that can be challenging to treat, especially in children. This condition involves a fracture of the ulna and a dislocation of the radial head. The primary topic of distraction osteogenesis is crucial in the treatment of CMFs. Recently, a study compared the outcomes of CMFs treated by ulnar osteotomy and monolateral external fixator (MEF) with either gradual or acute radial head reduction (Source: PubMed / Europe PMC).The study examined the effectiveness of these two approaches in treating CMFs and evaluated the outcomes based on clinical and radiographic assessments. 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These complications included osteomyelitis, neuropraxia, and malunion.Key Takeaways for PatientsPatients with chronic Monteggia fractures (CMFs) should consider the following key takeaways when discussing treatment options with their orthopedic surgeon:Gradual reduction of the radial head may result in better radiological outcomes compared to acute reduction.The use of a monolateral external fixator (MEF) can promote bone regeneration and distraction osteogenesis.Patients should discuss the potential complications and risks associated with the procedure with their surgeon.Patients should ask their surgeon about the expected duration of the procedure and recovery, as well as the rehabilitation program required after surgery.Frequently Asked QuestionsWhat is a Monteggia fracture?A Monteggia fracture is a type of complex forearm injury that involves a fracture of the ulna and a dislocation of the radial head. It can be challenging to treat, especially in children, and may require surgical intervention using osteotomy and monolateral external fixator (MEF).What is an ulnar osteotomy?An ulnar osteotomy is a surgical procedure that involves cutting and realigning the ulna to promote bone regeneration and distraction osteogenesis.What is a monolateral external fixator (MEF)?A monolateral external fixator (MEF) is a device used to stabilize and lengthen the bone, promoting bone regeneration and distraction osteogenesis. It is typically attached to the bone using pins or wires.What are the potential complications and risks associated with the procedure?The potential complications and risks associated with the procedure include osteomyelitis, neuropraxia, and malunion. Patients should discuss these complications and risks with their surgeon before undergoing the procedure.What is the expected duration of the procedure and recovery?The expected duration of the procedure and recovery can vary depending on the individual case, but the mean duration of correction was 43.4 days (range, 21-82) in the study. Patients should discuss the expected duration of the procedure and recovery with their surgeon, as well as the rehabilitation program required after surgery. Related Articles A Comprehensive Guide to Humeral Lengthening in Achondroplasia: Patient Perspectives and Treatment Outcomes Revolutionizing Achondroplasia Treatment: Understanding Vosoritide Therapy A Comprehensive Guide to Limb Lengthening in Achondroplasia: Understanding the Costs, Benefits, and Risks The Impact of Type 1 Diabetes Mellitus on Growth Patterns in Saudi Children and Adolescents: A Comprehensive Guide

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Clinical Insight

Talar Fracture Treatment

OverviewTalar fracture-dislocation is a complex and severe injury that affects the talus, which plays a crucial role in ankle and foot movement. The primary topic keyword, talar fracture-dislocation, is a significant injury that requires prompt and effective treatment. This study examines the use of temporary transarticular screw fixation as an adjunct to open reduction and internal fixation (ORIF) for traumatic peritalar instability following talar fracture-dislocation. According to a study published on PubMed (Source: PubMed), this technique has shown promising results in resolving instability and promoting healing.Traumatic peritalar instability is a condition where the subtalar joint, which connects the talus to the calcaneus, becomes unstable due to injury or trauma. This can lead to chronic pain, stiffness, and limited mobility. The study aims to investigate the effectiveness of temporary transarticular screw fixation in addressing this complex surgical challenge.What This Study ExaminedThe study evaluated the outcomes of 9 patients (10 extremities) who underwent temporary transarticular screw fixation as an adjunct to ORIF for traumatic peritalar instability following talar fracture-dislocation. The primary outcomes measured were resolution of instability, incidence of complications, including avascular necrosis (AVN) and posttraumatic arthritis (PTA).Why This Matters for PatientsFor patients suffering from talar fracture-dislocation, this study provides valuable insights into the effectiveness of temporary transarticular screw fixation as a treatment option. The findings of this study can help inform patients and healthcare providers about the potential benefits and risks of this technique, ultimately leading to better treatment decisions and improved outcomes.Medical BackgroundTalar fracture-dislocation is a severe injury that requires prompt medical attention. The talus plays a crucial role in ankle and foot movement, and any injury to this bone can have significant consequences. ORIF is a surgical procedure used to restore bone alignment and stability, but it may not always be sufficient to address traumatic peritalar instability.How the Procedure WorksTemporary transarticular screw fixation involves the placement of one or two 4.0-mm cortical screws across the subtalar joint to provide additional stability and support. The screws are typically removed after radiographic evidence of fracture union. This technique can be used in conjunction with ORIF to promote healing and prevent further complications.Who Is a Candidate?Patient selection criteria for temporary transarticular screw fixation include those with traumatic peritalar instability following talar fracture-dislocation who have undergone ORIF. The ideal candidate should have a stable medical condition and be able to tolerate the surgical procedure.Clinical SummaryProcedure: Temporary transarticular screw fixation as an adjunct to ORIFTypical Duration: Variable, depending on the individual caseRecovery: Several months, with gradual return to weight-bearing activitiesSuccess Rate (general): High, with resolution of instability in all 10 operative extremitiesStudy MethodologyThe study was a retrospective case series, with 9 patients (10 extremities) treated at a single tertiary institution between 2015 and 2024. The mean follow-up duration was 27 months. The patient selection criteria included those with traumatic peritalar instability following talar fracture-dislocation who had undergone ORIF.Patient Selection CriteriaThe study included patients with traumatic peritalar instability following talar fracture-dislocation who had undergone ORIF. The patients were evaluated for resolution of instability, incidence of complications, including AVN and PTA.Outcome MeasuresThe primary outcome measures were resolution of instability, incidence of complications, including AVN and PTA. The study also evaluated the incidence of osteomyelitis and the need for subsequent arthrodesis.Results & FindingsThe study found that all 10 operative extremities achieved full resolution of peritalar instability. However, three extremities required subsequent arthrodesis due to PTA and/or AVN. Two extremities developed AVN, with two of the three arthrodeses following AVN development. One patient did not have the transarticular screw removed due to articular surface damage at the time of index injury.Key OutcomesThe study demonstrated that temporary transarticular screw fixation is effective in resolving traumatic peritalar instability, with a high success rate. However, the incidence of complications, including AVN and PTA, was notable.Complications & RisksThe study reported several complications, including AVN, PTA, osteomyelitis, and the need for subsequent arthrodesis. The incidence of these complications highlights the importance of careful patient selection and thorough evaluation of the individual case.Key Takeaways for PatientsTalar fracture-dislocation is a severe injury that requires prompt medical attentionTemporary transarticular screw fixation is a viable treatment option for traumatic peritalar instabilityPatient selection criteria and individual case evaluation are crucial for optimal outcomesComplications, including AVN and PTA, can occur, and patients should be aware of these risksPromising results have been shown with this technique, but further studies are needed to confirm its effectivenessPatient should ask their surgeon about the potential benefits and risks of temporary transarticular screw fixation, as well as the expected recovery time and any potential complications.Frequently Asked QuestionsWhat is talar fracture-dislocation?Talar fracture-dislocation is a severe injury that affects the talus, which plays a crucial role in ankle and foot movement. It requires prompt medical attention to prevent further complications.What is temporary transarticular screw fixation?Temporary transarticular screw fixation is a surgical procedure that involves the placement of one or two cortical screws across the subtalar joint to provide additional stability and support. The screws are typically removed after radiographic evidence of fracture union.What are the benefits of temporary transarticular screw fixation?The benefits of temporary transarticular screw fixation include resolution of traumatic peritalar instability, promotion of healing, and prevention of further complications. The procedure can be used in conjunction with ORIF to improve outcomes.What are the risks and complications of temporary transarticular screw fixation?The risks and complications of temporary transarticular screw fixation include AVN, PTA, osteomyelitis, and the need for subsequent arthrodesis. Patient selection criteria and individual case evaluation are crucial for minimizing these risks.How long does the recovery process take?The recovery process for temporary transarticular screw fixation can take several months, with gradual return to weight-bearing activities. The exact duration depends on the individual case and the extent of the injury.What is the success rate of temporary transarticular screw fixation?The success rate of temporary transarticular screw fixation is high, with resolution of instability in all 10 operative extremities. However, the incidence of complications, including AVN and PTA, was notable. 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Clinical Insight

Radial Longitudinal Deficiency Treatment

Overview Congenital radial longitudinal deficiency (CRLD) is a rare condition where the radius bone in the forearm is underdeveloped or missing, causing the hand to be misaligned. This condition affects approximately 1 in 50,000 to 1 in 100,000 births. A recent study examined the short-term outcomes of a two-staged approach for treating CRLD in children over two years of age using distraction osteogenesis and centralization (Source: PubMed). The study focused on children with severe CRLD, specifically those with Heikel type 3-4 deficiency. These children often experience significant radial deviation and volar flexion of the wrist, making everyday activities challenging. What This Study Examined This study investigated the effectiveness of a two-staged treatment approach, which involves gradual soft tissue distraction using an external fixator followed by centralization of the hand over the distal ulna. The goal of this approach is to improve the alignment and function of the hand and wrist. Why This Matters for Patients The findings of this study are crucial for patients with CRLD, as they provide valuable insights into the effectiveness and potential risks of the two-staged treatment approach. By understanding the outcomes of this procedure, patients and their families can make informed decisions about their treatment options and what to expect during the recovery process. Medical Background Congenital radial longitudinal deficiency (CRLD) is a complex condition that requires a comprehensive treatment approach. The goal of treatment is to improve the alignment and function of the hand and wrist, allowing for better mobility and dexterity. Distraction osteogenesis is a technique used to gradually lengthen the bones, while centralization involves surgically realigning the bones to improve the overall alignment of the hand and wrist. How the Procedure Works The two-staged treatment approach involves the use of an external fixator to gradually distract the soft tissues and bones. This is followed by centralization of the hand over the distal ulna, which involves surgically realigning the bones to improve the overall alignment of the hand and wrist. The procedure may also involve soft tissue releases to improve the range of motion. Who Is a Candidate? Children with severe CRLD, specifically those with Heikel type 3-4 deficiency, are candidates for the two-staged treatment approach. The ideal candidate is typically over two years of age and has significant radial deviation and volar flexion of the wrist. Clinical Summary Procedure: Two-staged treatment approach involving gradual soft tissue distraction using an external fixator followed by centralization of the hand over the distal ulna. Typical Duration: The duration of the procedure varies depending on the individual case, but typically ranges from several weeks to several months. Recovery: The recovery process involves a period of immobilization followed by physical therapy to improve the range of motion and strength of the hand and wrist. Success Rate (general): The success rate of the procedure varies depending on the individual case, but studies have shown significant improvements in the alignment and function of the hand and wrist. Study Methodology The study involved a retrospective analysis of 20 hands (14 patients) with CRLD who underwent the two-staged treatment approach between 2020 and 2024. The mean age of the children was 33.1 months, and the mean follow-up after centralization was 26 months. Patient Selection Criteria The patients were selected based on their diagnosis of CRLD and their suitability for the two-staged treatment approach. The inclusion criteria included children with Heikel type 3-4 deficiency who were over two years of age. Outcome Measures The outcome measures included the clinical hand-forearm angle (HFA) and radiological ulna-metacarpal angle (UMA) before and after treatment. These measures were used to assess the amount of correction achieved with the two-staged treatment approach. Results & Findings The study found significant improvements in the alignment and function of the hand and wrist after the two-staged treatment approach. The mean radial deviation was corrected from 74.3° to 12.6°, and the mean volar flexion was corrected from 66.4° to 12.0°. Key Outcomes The study demonstrated significant improvements in the clinical and radiological outcomes, including the HFA and UMA. The mean ulna-metacarpal angle (UMA) was corrected by 64.0° in the anteroposterior (AP) view and 45.5° in the lateral view. Complications & Risks The study reported several complications, including pin-tract infection (2 hands), physeal widening (1 hand), K-wire breakage (1 hand), and finger contractures (5 hands). These complications were managed conservatively without compromising the final outcome. Key Takeaways for Patients The two-staged treatment approach can achieve significant improvements in the alignment and function of the hand and wrist in children with CRLD. The procedure involves gradual soft tissue distraction using an external fixator followed by centralization of the hand over the distal ulna. Patient selection is crucial, and the ideal candidate is typically over two years of age with significant radial deviation and volar flexion of the wrist. Patients should ask their surgeon about the potential risks and complications of the procedure, including pin-tract infection, physeal widening, K-wire breakage, and finger contractures. Frequently Asked Questions What is congenital radial longitudinal deficiency (CRLD)? Congenital radial longitudinal deficiency (CRLD) is a rare condition where the radius bone in the forearm is underdeveloped or missing, causing the hand to be misaligned. What is the two-staged treatment approach for CRLD? The two-staged treatment approach involves gradual soft tissue distraction using an external fixator followed by centralization of the hand over the distal ulna. What are the potential risks and complications of the procedure? The potential risks and complications of the procedure include pin-tract infection, physeal widening, K-wire breakage, and finger contractures. What is the success rate of the two-staged treatment approach? The success rate of the two-staged treatment approach varies depending on the individual case, but studies have shown significant improvements in the alignment and function of the hand and wrist. How long does the recovery process take? The recovery process typically involves a period of immobilization followed by physical therapy to improve the range of motion and strength of the hand and wrist, and can take several weeks to several months. Related Articles A Comprehensive Guide to Humeral Lengthening in Achondroplasia: Patient Perspectives and Treatment Outcomes Revolutionizing Achondroplasia Treatment: Understanding Vosoritide Therapy A Comprehensive Guide to Limb Lengthening in Achondroplasia: Understanding the Costs, Benefits, and Risks The Impact of Type 1 Diabetes Mellitus on Growth Patterns in Saudi Children and Adolescents: A Comprehensive Guide

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