IRA ZALTZ, M.D.

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This study looked at infants under 2 years old who have developmental dysplasia of the hip (DDH) to see if advanced imaging (like CT or MRI) after swapping their spica cast is helpful in confirming proper hip placement. Out of 124 hips assessed during this process, only 1 hip was found to be dislocated, which translates to less than 1% of cases needing additional intervention due to imaging findings. This means that routine advanced imaging isn't necessary after cast exchange unless there are specific concerns observed during the procedure, potentially reducing unnecessary tests and their associated costs and risks. Who this helps: This benefits both patients and doctors by streamlining care and focusing resources where they are truly needed.

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This study looked at using spinal anesthesia instead of general anesthesia for infant surgeries to treat developmental dysplasia of the hip (DDH). Researchers found that spinal anesthesia was safely used in 23 procedures with no complications, and 74% of the babies needed extra sedation but none required intubation. This matters because it reduces the risks associated with general anesthesia, especially in very young children, and might allow doctors to perform surgery sooner, improving outcomes for the hips. Who this helps: This helps infants with hip issues and their families.

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This study focused on how to better diagnose hip instability, a condition that lacks clear standard criteria. An international panel of 100 experts agreed on three specific tests—abduction-hyperextension-external rotation, prone instability, and anterior apprehension—as reliable ways to assess the condition. They also identified key symptoms, like anterior hip pain and feelings of looseness, along with risk factors like being female and having hip dysplasia, to improve diagnosis and treatment consistency. Who this helps: This helps patients experiencing hip instability by promoting a more accurate diagnosis and tailored treatment options.

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This study looked at how the shape of the upper part of the thigh bone develops after a specific surgery called the modified Dunn procedure, which is used to treat a condition known as slipped capital femoral epiphysis (SCFE). Out of 130 hips analyzed after surgery, only 35 (about 29%) were found to have a normal, spherical shape while the rest were not. This matters because even after successful surgery, many patients may still have an abnormal bone shape, which might affect their long-term joint health. Who this helps: This research benefits doctors and patients dealing with SCFE, as it highlights the importance of monitoring bone shape after surgery.

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This study focuses on improving how doctors diagnose and treat non-arthritic hip pain by introducing a new model that includes psychological and social factors. The researchers found that considering these "psychosocial" aspects, along with physical ones, leads to better understanding and treatment of patients, acknowledging that factors like mental health and quality of life can greatly affect pain and recovery. This enhanced approach aims to create more personalized care and improve outcomes for those undergoing hip preservation surgery, suggesting that addressing emotional and social issues is just as important as treating physical symptoms.

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This study looked at the results of surgery for femoroacetabular impingement (FAI) in adolescents, analyzing 126 hips from 114 patients under 18 years old. While most patients saw significant improvement post-surgery, 18.3% experienced failure, meaning they either needed further surgery or did not report enough improvement. Notably, females were more likely to have poor outcomes (25.7% failure) compared to males (7.7%), and those with mild cam deformities or who didn’t participate in sports had higher failure rates. Who this helps: This information benefits doctors and surgeons as they make decisions for adolescent patients considering FAI surgery.

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This study looked at whether adding a hip arthroscopy (a procedure to examine and treat issues in the hip joint) during periacetabular osteotomy (PAO) surgery improved outcomes for patients with hip dysplasia. After one year, both groups—one receiving only PAO and the other receiving PAO with arthroscopy—had similar improvements in their hip function and pain levels, with scores around 72-73 for hip function and 88-89 for pain. The findings indicated that adding arthroscopy didn't provide extra benefits in the first year after surgery, which means doctors may reconsider its routine use during PAO procedures for hip dysplasia. Who this helps: This helps patients undergoing surgery for hip dysplasia by clarifying treatment options.

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This study tracked the progress over 20 years in how doctors treat certain hip problems that can lead to arthritis later on. Researchers focused on three main conditions: femoroacetabular impingement, developmental dysplasia of the hip, and residual Legg-Calve-Perthes disease. They found that their efforts significantly improved the quality of care for young patients suffering from these issues, making treatments more effective and tailored to their needs. Who this helps: Young patients with prearthritic hip disease.

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This study looked at how well ultrasound can help diagnose non-arthritic hip pain compared to traditional imaging methods like X-rays and MRIs. The researchers found that while static ultrasound is as effective as X-rays for identifying issues, new dynamic ultrasound techniques can provide additional information about how the hip joint moves and can detect problems that standard imaging cannot. This matters because it offers a cheaper and safer option for patients experiencing hip pain without unnecessary radiation exposure. Who this helps: This benefits patients with hip pain, especially those looking for safer and more accessible diagnostic options.

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This study looked at three kids between 4 and 10 years old who had Langerhans cell histiocytosis (a rare condition) affecting their spinal bones, causing pain and problems with the structure of their spines. The researchers found that all three children needed surgery to stabilize their spines, and after the surgery, they were all doing well without pain and had no return of the condition. This is important because it shows that while kids with this condition often improve without surgery, surgery is necessary for those with unstable spines to prevent further issues. Who this helps: This information benefits pediatric patients and their doctors.

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This study looked at how age affects the success of a specific surgical treatment called acetabular microfracture in patients with femoroacetabular impingement (FAI). It found that younger patients (those 35 years or younger) had good recovery outcomes, with no significant increase in the need for total hip replacement surgery, while older patients faced a higher risk, with 13% needing a replacement compared to 4% in younger patients. This matters because it highlights the importance of age when considering surgery options for hip problems, indicating that younger patients may have better long-term results. Who this helps: This information benefits patients with hip issues, particularly those considering surgery, and their doctors.

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This study looked at a new measurement called the Femoro-Epiphyseal Acetabular Roof (FEAR) index to determine if it can help identify different hip problems, like dysplasia and femoroacetabular impingement (FAI), especially in younger patients. Researchers found that hips diagnosed with dysplasia had a higher FEAR index (average 5°) compared to asymptomatic hips (average -13°) and FAI hips (average -10°), meaning the FEAR index is effective at distinguishing between these conditions. This is important as it could help surgeons make better diagnoses and treatment decisions for hip-related issues based on reliable measurements. Who this helps: Patients with hip conditions, particularly children and adolescents.

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This study looked at why some patients still experience pain after having hip surgery to fix a problem called femoroacetabular impingement. The researchers found that many patients, despite initially successful outcomes, might need further surgery because of leftover deformities or issues with cartilage and ligaments. Understanding these reasons is important because it can help improve treatments for patients who continue to suffer from hip pain even after surgery. Who this helps: This helps patients who are experiencing ongoing hip pain after their initial surgery.

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This study looked at how youth sports and physical activity can affect bone development and potentially lead to injuries. Researchers found that participating in certain sports can put stress on growing bones, specifically in areas like the shoulders and hips, which might cause long-term changes and problems in the joints. Understanding these risks is important for ensuring young athletes stay healthy and avoid future joint issues. Who this helps: This helps young athletes, their parents, and sports coaches.

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This study looked at how men and women recover after surgery for a hip condition called femoroacetabular impingement. Researchers followed 621 patients for an average of 4.3 years and found that women started with lower health scores before surgery but showed more improvement after the procedure. Although more women achieved significant improvements, men were more likely to feel satisfied with their results. Who this helps: This research benefits patients, especially those undergoing hip surgeries.

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This study looked at how much young adult women can flex their hips without any problems, using advanced ultrasound techniques. Researchers found that the average hip flexion without issues is about 72 degrees, while the maximum flexion possible is about 101 degrees, which is less than what has been previously recorded for men. Understanding these measurements is essential for correctly diagnosing hip problems and developing treatments in the future. Who this helps: This benefits doctors and healthcare providers treating hip disorders in women.

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This study looked at the relationship between a measurement called the lateral center-edge angle (LCEA) and the size of the hip joint's cartilage in patients with hip issues. It found that while a lower LCEA, indicating undercoverage of the acetabulum, was linked to a smaller cartilage area (20.4 cm² compared to 24.5 cm² for overcoverage), normal or high LCEA levels did not reliably predict cartilage size. This matters because understanding these relationships can help doctors make better treatment decisions for patients with hip impingement or instability. Who this helps: Patients with hip impingement or instability.

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This study focused on a new surgical method called the single-incision triple innominate osteotomy, which aims to improve hip stability in children with various conditions. Researchers reviewed 28 hips in 24 patients, finding that the procedure significantly improved hip coverage and stability, with 93% of hips being stable after surgery compared to 50% before. The procedure also had a low complication rate, with most patients recovering well within about 14 weeks. Who this helps: This benefits children with hip instability, especially those with conditions like Trisomy 21 and other neuromuscular diseases.

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This study looks at two surgeries for people with hip dysplasia, a condition that can lead to arthritis. One surgery, called Periacetabular Osteotomy (PAO), is used alone, while the other combines PAO with an additional procedure to fix torn cartilage called hip arthroscopy. Researchers will compare the outcomes, such as quality of life and physical function, in patients who have both surgeries versus those who only have PAO, to see if the combined approach offers better results and is cost-effective. Who this helps: This research benefits patients with hip dysplasia seeking effective treatments to prevent arthritis and improve their mobility.

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This study looked at a surgical technique called Morscher osteotomy used to help young adults with hip pain caused by growth issues or previous surgeries. The study found that after the procedure, the horizontal femoral offset improved for all patients to an average of 32.5 mm, limb length increased by an average of 11.5 mm, and the distance to the greater trochanter improved in all cases. These results matter because they show the surgery effectively addresses problems in the hip's structure, potentially leading to better mobility and less pain for patients. Who this helps: This helps patients suffering from hip pain due to growth disturbances or earlier surgeries.

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This study compared two surgical methods for treating femoroacetabular impingement (FAI) in the hip: hip arthroscopy (HA) and surgical hip dislocation (SD). Researchers looked at 256 patients (128 from each group) about four years after surgery and found no significant differences in their recovery, with similar patient satisfaction scores (81.3 for HA and 80.2 for SD) and rates of ongoing symptoms. This matters because it shows that both surgical options lead to similar outcomes, giving doctors flexibility in treatment choices. Who this helps: This benefits patients with hip impingement by providing them with effective treatment options.

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This study looked at how effective a surgical procedure called periacetabular osteotomy (PAO) is for treating borderline hip dysplasia in teenagers. Researchers followed 33 patients for at least one year after their surgery and found that over 90% of them experienced significant improvements in their hip function and reduced pain. This is important because it shows that PAO can greatly help adolescents suffering from hip issues caused by borderline hip dysplasia. Who this helps: This helps teenagers with symptomatic borderline hip dysplasia and their doctors.

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This study examined how consistently doctors can recognize "hinge abduction," a key sign in a childhood hip condition called Legg-Calvé-Perthes disease. A group of orthopedic surgeons looked at 30 cases, and they found that they only agreed moderately on the diagnosis—about 52% of the time during initial assessments. After discussions to improve understanding, their agreement slightly increased, but the study concluded that hinge abduction is still a challenging diagnosis to nail down, suggesting it shouldn't be relied on for research purposes. Who this helps: This helps doctors who treat children with hip problems, by providing clarity on how to evaluate a key sign of the condition.

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This study examined how a surgical procedure called bilateral periacetabular osteotomy (PAO) affects the position of the pelvis in patients with a hip condition known as acetabular dysplasia. The researchers found that after surgery, most patients, specifically 37 out of 40 (93%), experienced a decrease in anterior pelvic tilt, meaning their pelvis became more aligned, with an average reduction measured at 8 mm. This is important because improving pelvic alignment can potentially lead to better overall function and reduce complications like back pain in these patients. Who this helps: This benefits patients with acetabular dysplasia and their doctors.

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This paper examines two studies about treatments for children's orthopedic issues to see if their findings could change how doctors practice. The first study looked at whether physical therapy helps kids recover better from a specific type of arm fracture and found that while the study was well-designed, it didn't provide enough evidence to change current practices. The second study assessed the use of a treatment called Botulinum Toxin A for children who toe-walk but was limited by its small number of participants, also leading to no changes in practice being recommended. Who this helps: These findings primarily assist doctors in making informed decisions about treatments for children with orthopedic conditions.

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This research developed a new tool called HOOS that helps doctors understand how hip surgery patients feel before and after their procedures. By adding two questions to an existing survey (the HOOS, JR), researchers found that HOOS was more effective in capturing patient experiences and had fewer patients reporting maximum improvement scores than other tools. Specifically, a score of 62.5 or higher on the HOOS indicated that patients felt their symptoms were acceptable after surgery. Who this helps: This benefits patients undergoing hip preservation surgeries and their doctors by providing better insights into recovery and outcomes.

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This study looked at the angle of the thigh bone (femur) in patients with a hip problem called acetabular dysplasia, which can cause pain and instability. Researchers analyzed 314 patients and found that the average angle of the femur was about 19.7 degrees, with a range from -20 to 50 degrees. They discovered that while this angle was related to how much patients could move their hip, it didn't significantly affect the severity of their hip issues or their symptoms. Who this helps: This helps patients with acetabular dysplasia and the doctors treating them.

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This research paper examined two studies that looked at using botulinum toxin to treat foot problems in children with cerebral palsy. The first study found that a single dose of the toxin could help improve foot function, but the best dose to use is still unclear. The second study didn't show a significant difference in outcomes for children receiving different schedules of injections, which means more research is needed to confirm the effectiveness of these treatments. Who this helps: This helps patients with cerebral palsy and their families by providing insights into treatment options.

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This study looked at the outcomes of a surgery called periacetabular osteotomy (PAO), which is used to treat hip problems, particularly in young patients. After two years, most patients reported significant improvements in pain, hip function, quality of life, and overall health, with only 0.8% needing a total hip replacement and 7% experiencing major complications. These findings highlight the effectiveness of PAO for people with hip dysplasia and suggest that certain patient characteristics, like age and weight, can help predict how well they will do after surgery. Who this helps: This helps patients with hip dysplasia and their doctors in making informed decisions about treatment.

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This study looked at patients with acetabular dysplasia, a condition that causes hip pain and limits movement. Researchers analyzed data from 950 patients who underwent a specific surgery called periacetabular osteotomy (PAO) between 2008 and 2013. They found that most of these patients were young women, primarily white, and had experienced symptoms for about 1 to 3 years before having surgery, indicating significant functional limitations in their hip health. Who this helps: This information benefits patients with hip issues, especially young women suffering from acetabular dysplasia.

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This study examined the online physical therapy protocols available for patients recovering from hip arthroscopy surgery for femoroacetabular impingement (FAI) and labral repair. Out of 111 surgeons, only 31 provided detailed recovery guidelines. Among these, 54.8% required patients to wear a brace for an average of 2 weeks, and most protocols recommended weight-bearing with limited pressure starting at around 3 weeks post-surgery. This research highlights the significant differences in recovery recommendations, which can help doctors align their treatment strategies and improve rehabilitation consistency. Who this helps: This benefits patients recovering from hip surgery and their healthcare providers.

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This study looked at how activity levels, body mass index (BMI), and severity of hip dysplasia affect the age when patients undergo a specific surgery for hip problems. Researchers analyzed data from 708 surgeries and found that patients with higher activity levels and more severe hip dysplasia tended to have the surgery at a younger age—specifically, those with high activity levels experienced symptoms and sought surgery about 5 years earlier. This is important because understanding these factors can help manage treatment timing and potentially delay the onset of symptoms in patients with hip dysplasia. Who this helps: Patients with developmental dysplasia of the hip.

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This study looked at how the shape of the hip bone (femoral deformity) affects how much the hip can move in patients with a hip condition called acetabular dysplasia (AD). Researchers analyzed data from 1,051 patients and found that the degree of hip bone deformity was more closely related to hip movement than the severity of the acetabular disease itself. Specifically, they noted that with worsening bone deformity, internal rotation increased by an average of 1.94 degrees, while external rotation decreased by 2.63 degrees, showing that the shape of the bone plays a significant role in hip motion. Who this helps: This research benefits doctors and surgeons who treat hip conditions, helping them assess and plan better treatments for patients.

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This study investigated methods for accurately measuring the rotation of the femur (thigh bone) using CT scans. The researchers found that while all three methods they tested could measure overall rotation well, only the "Kim" method and a 3D volumetric technique were able to pinpoint the exact location of the rotation in the bone. This is important because understanding where the rotation occurs can help doctors diagnose and treat femoral deformities more effectively, since the treatment can differ depending on the type of rotation. Who this helps: This helps doctors and orthopedic surgeons working with patients who have femoral rotation issues.

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This study looked at patients who have hip pain due to a condition called extraarticular femoroacetabular impingement (FAI). Researchers found that this type of impingement affects about 4% of patients undergoing hip surgery, with these patients being generally younger (average age 24 compared to 30) and more likely to be female (85% vs. 49%). The findings are important because they help identify specific patient characteristics and physical signs linked to this type of hip problem, which is often overlooked in diagnosis. Who this helps: This research benefits patients experiencing hip pain, especially younger women who may have missed diagnoses related to extraarticular FAI.

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This study examined how much movement is possible in the hip joints of healthy young men before any impingement occurs. Researchers found that the average hip movement without impingement was about 68 degrees, and the maximum hip flexion before any bone contact happened was around 96 degrees. These findings are important because they provide clear normal ranges for hip movement, which can help assess and improve surgical treatments for hip problems. Who this helps: This helps patients and doctors by providing guidelines for better diagnosis and treatment of hip issues.

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This study looked at the outcomes of a specific hip surgery called periacetabular osteotomy (PAO) in patients who had previously undergone another pelvic surgery. Researchers found that while both groups (those with prior surgery and those without) showed improvements in pain and function, patients who had previous pelvic surgery reported more pain and less overall improvement. Specifically, those with prior surgeries had an average pain score of 74 compared to 85 in the other group, and their ability to perform daily activities was rated lower (80 versus 92). Who this helps: This research helps patients and doctors understand the effectiveness of PAO for individuals who have had previous pelvic surgeries.

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This study reviewed how dancers and gymnasts, who need a lot of flexibility in their hips, can face hip pain due to their extreme movements. It found that these athletes often have hypermobility, which can lead to injuries and longer recovery times; for instance, dancers who are naturally more flexible are more likely to get injured and need more time to heal. Understanding these risks is important for providing the right treatment, whether surgical or non-surgical, to help them return to their sports safely. Who this helps: This helps dancers and gymnasts manage their hip pain and recover more effectively.

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This study looked at the shape and condition of the labrum (a cartilage structure in the hip) in patients with a hip condition called acetabular dysplasia, which can cause pain and instability. Researchers examined 942 patients and found that 50% had a thickened labrum, while 64% had labral tears, mostly of a degenerative type. These findings show that although labral issues are common in these patients, having a thick labrum isn’t always a sign of hip instability, making it less reliable for diagnosing the problem. Who this helps: This information helps doctors better understand hip issues in patients with dysplasia, leading to more accurate diagnoses and treatment options.

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This study examined the use of hip arthroscopy, a minimally invasive surgery, for treating hip problems in young patients who do not yet have arthritis. The researchers found that while arthroscopy can be effective, it may not work well for all conditions, and some cases might be better treated with traditional open surgery. Understanding these limits is important to prevent high rates of failure and unsatisfactory recovery among patients. Who this helps: This helps patients with hip problems and their doctors in making informed treatment decisions.

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This study examined how reliable computer-assisted measurements are for analyzing hip X-rays in young adults with hip pain. The results showed that most measurements, like those of hip and thigh bone shape and joint health, were agreed upon consistently by multiple surgeons. However, the alpha angle, which is used to assess hip impingement, had lower reliability (0.43), indicating that it is less consistent between different observers. This matters because using reliable methods can help doctors better diagnose and treat hip conditions. Who this helps: Patients with hip pain and their doctors benefit from improved accuracy in diagnosis and treatment planning.

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This research paper summarizes discussions from a meeting of pediatric hip specialists, focusing on three main conditions: hip dysplasia, Perthes disease, and chondrolysis. Experts reviewed both their personal experiences and current research findings, highlighting that there are many different approaches to treating these conditions and identifying areas where more research is needed. Understanding these variations in treatment helps ensure that children with hip issues receive the best care possible. Who this helps: This benefits pediatric patients with hip problems and their doctors.

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This study focused on a condition called slipped capital femoral epiphysis (SCFE), where the growth plate in the hip slips out of position, usually affecting children aged 10 to 16 during rapid growth. Researchers found that if a child experiences limping or hip or knee pain, SCFE should be considered, leading to medical tests to confirm the diagnosis. Proper treatment involves surgery to stabilize the hip, but there are still ongoing debates about the best surgical methods for severe cases and their long-term effects. Who this helps: This helps patients with SCFE and their doctors by providing clear guidance on diagnosis and treatment options.

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This study looked at the risks associated with a specific hip surgery called periacetabular osteotomy, performed on 205 patients by experienced surgeons. They found that 5.9% of patients had serious complications that needed further treatment, such as infection or adjustment of surgical implants, but many of these complications didn’t lead to long-term problems. Understanding these risks is important so that both patients and doctors can make informed decisions about hip surgery. Who this helps: This helps patients considering hip surgery and their doctors.

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This study looked at patients who needed hip preservation surgery again after already having had it done once. Out of over 2,200 patients reviewed, about 15% had repeat surgeries, often because their original issues weren't fully fixed. Most repeat surgeries were needed due to unresolved structural problems related to hip impingement or dysplasia. Who this helps: This information helps doctors and patients by highlighting the importance of carefully correcting structural issues in the first surgery to prevent the need for a second operation.

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This study looks at femoroacetabular impingement (FAI), a condition where the bones in the hip joint rub against each other inappropriately, causing damage to the cartilage and labrum (the tissue that helps stabilize the joint). Researchers found that certain shapes and movements of the hip can cause this harmful contact, leading to pain and joint issues. Understanding these mechanics is important because it can help in developing better treatments for people with hip pain. Who this helps: Patients suffering from hip pain and related injuries.