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Results for “HIP JOINT”

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At least 73 records · Page 4Linked to original sources
PubMed1999

Relationships between results of the Ortolani method of hip joint palpation and distraction index, Norberg angle, and hip score in dogs.

OBJECTIVE: To determine whether results of the Ortolani method of hip joint palpation in dogs were related to distraction index (DI), Norberg angle, or radiographic hip score. DESIGN: Cross-sectional study. ANIMALS: 459 clinically normal dogs. PROCEDURE: Dogs were sedated for radiography and palpation of the hip joints. Results of hip joint palpation were classified as negative, mild positive, moderate positive, or severe positive. Distraction indices were measured for all dogs. Norberg angles were measured for 380 dogs for which ventrodorsal hip-extended radiographic projections were available. Hip scores assigned by the Orthopedic Foundation for Animals (OFA) were available for 95 dogs. RESULTS: Age, weight, and sex were not significantly associated with results of hip joint palpation. There was moderate correlation between results of hip joint palpation and DI (r = 0.636), low-moderate correlation between results of hip joint palpation and OFA hip scores (rs = 0.437), and weak negative correlation (r = -0.236) between results of hip joint palpation and Norberg angle. For joints without degenerative joint disease (DJD), there was a significant linear relationship between results of hip palpation and DI; however, for joint with DJD, there was not. Results of hip joint palpation were 5.3-fold as likely to be negative for dogs with DJD as for dogs without. CLINICAL IMPLICATIONS: Results of hip joint palpation were at best moderately correlated with radiographic measures of hip joint laxity. Therefore, hip joint palpation should be combined with hip-extended and stress radiography when assessing hip joint quality.

Animals↗
PubMed2006

Role of hip arthroscopy in the diagnosis and treatment of hip joint pathology.

PURPOSE: Hip arthroscopy is growing in importance and relevance in the detection and treatment of various pathologies affecting the hip joint. There are a number of indications, including diagnosis and treatment of labral tears, extraction of loose bodies, and synovial-based diseases. Reports in the literature cite few complications arising from this minimally invasive procedure in a joint that has been difficult to access. The purpose of our study was to assess the efficacy and role of hip arthroscopy in the management of hip joint pathology. TYPE OF STUDY: Retrospective review of a consecutive series of 22 patients over a 44-month period. METHODS: The indications for surgery included ongoing hip pain for more than 6 months. Sixteen patients underwent contrast-enhanced magnetic resonance imaging scans, including all patients with mechanical symptoms. The procedure was performed as day surgery and all the patients were available for follow-up. They were assessed for pain, mechanical symptoms, activity levels, and sporting activities. RESULTS: All patients were assessed by means of a questionnaire and allocated scores out of a maximum of 100 points. The most significant improvement was seen in the group of patients (n = 10) who had mechanical symptoms with definite labral pathology confirmed and treated arthroscopically. Their scores improved from an average of 64 preoperatively to 90 postoperatively. There were no complications in our series. CONCLUSIONS: Hip arthroscopy represents an effective tool in treating hip joint pathology with reasonable expectations of success and a minimal complication rate. LEVEL OF EVIDENCE: Level IV.

Adolescent↗
PubMed1991

[Early complications and their causes in prosthetic hip joint replacement for coxarthrosis or median femoral neck fracture. Retrospective study of 3613 implanted hip joints].

In this retrospective descriptive study--including 3613 patients--type, frequency, and causes of early postoperative complications after total hip replacement are analysed. Operations were indicated in the majority of all cases by degenerative hip-joint diseases (n = 3214) and 399 cases by medial collum femoris fracture from adduction type (Garden III and IV). The frequency of early postoperative complications in total amount to 14.3%, the postoperative mortality was 2.3%. Total hip replacement in medial collum femoris fracture showed a significantly higher frequency of postoperative complications (4 times) and mortality (17 times). Complications in detail (cardiac, pulmonic, thromboembolic, early luxation, wound infection etc.) are represented and discussed in literature.

Adult↗
PubMed1996

[The results of operations for open reduction with capsular hip joint arthroplasty in congenital hip dislocation in children].

The authors make an analysis of results of operations for open setting with capsular arthroplasty of the hip joint, derotational supratrochanteric denticulate osteotomy and resection of the femur with creation of iliofemoral, ischiofemoral and pubofemoral ligaments from the residual proximal part of the capsule in 56 children with congenital dislocation of the femur. Long-term results were studied in 46 children, 35 of them having good results and 8 having satisfactory results.

Anesthesia, Endotracheal↗
PubMed1980

Intra-articular volume and hip joint instability in dogs with hip dysplasia.

UNLABELLED: The nature of the instability of the hip joint in dogs with dysplasia of the hip was investigated. In the experimental canine model, instability of the joint, as shown by subluxation of the femoral head on a roentgenogram, was accompanied by an increase in the volume of the synovial fluid and of the ligamentum teres and, therefore, an increase in the intra-articular volume. Injection of a buffered solution of hyaluronic acid into non-subluxated hip joints in situ increased subluxation, whereas withdrawal of synovial fluid from one joint with severe subluxation reduced the degree of subluxation. The withdrawal of varying amounts of synovial fluid from excised but intact joints resulted in a decrease in the lateral displacement of the femoral heads. Injection of the hyaluronic acid solution into excised joints resulted in increased lateral displacement of the femoral heads. The results suggest that the joint instability associated with canine hip dysplasia is related to increased intra-articular volume. CLINICAL RELEVANCE: Instability of the hip joint (abnormal laxity) is a feature of hip dysplasia in dogs and congenital dislocation of the hip in children. The canine disease can provide a valuable model in which to examine the pathogenesis of hip instability. The model may be useful to test prophylactic procedures to prevent joint instability and thus ameliorate disease.

Animals↗
PubMed2005

Comparison of arthroscopic and radiographic abnormalities in the hip joints of juvenile dogs with hip dysplasia.

OBJECTIVE: To compare radiographic and arthroscopic abnormalities in juvenile dogs with clinically apparent hip dysplasia. DESIGN: Case series. ANIMALS: 52 dogs (70 hip joints) with clinical signs of hip dysplasia scheduled to undergo triple pelvic osteotomy. PROCEDURE: A ventrodorsal radiographic projection of the pelvis was evaluated by a radiologist unaware of clinical and arthroscopic findings, and radiographic osteoarthritic abnormalities were judged and scored as absent (0), mild (1), moderate (2), or severe (3). Arthroscopy was performed by a surgeon unaware of clinical and radiographic findings, and arthroscopic abnormalities were graded from 0 (normal) to 5 (exposed, eburnated subchondral bone). RESULTS: In 30 of the 70 (43%) hip joints, no radiographic osteoarthritic abnormalities were seen. Severe, full-thickness articular cartilage lesions (grade 4) of the femoral head or acetabulum were seen arthroscopically in 14 (20%) joints. Lesions > or = grade 2 were seen in 60 (86%) joints. Partial tearing of the ligament of the femoral head was present in 57 (81%) joints, and complete rupture was seen in 5 (7%). Radiographic abnormalities were seen in 13 of the 14 (93%; 95% confidence interval, 66% to 99.8%) joints with grade 4 arthroscopic abnormalities but in only 23 of the 46 (50%; 95% confidence interval, 35% to 65%) joints with grade 2 or 3 arthroscopic abnormalities. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggest that radiography is not a sensitive method for identifying moderate cartilage lesions in juvenile dogs with hip dysplasia. If moderate cartilage lesions are an important prognostic indicator for the success of triple pelvic osteotomy, then methods other than radiography should be used to detect these lesions.

Animals↗
PubMedDate not supplied

Morphometric study of the fetal development of the human hip joint: significance for congenital hip disease.

Hip joints (280) from 140 human fetuses, obtained from abortions and deaths in the perinatal period, were studied. The fetuses ranged from 8.7 to 40 cm in crown-rump length and are believed to be between 12 and 42 weeks in age. The joints were dissected, morphology inspected, and measurements taken of the depth and diameter of the acetabulum, the diameter of the femoral head, length and width of the ligament of the head, the neck-shaft, and torsion angles of the proximal femur. Regression models were fitted to determine which would best predict the growth pattern. Multivariate analysis of variance showed no significant differences between males and females or between the right and left sides. Acetabular depth was shown to be the slowest-growing hip variable, increasing less than fourfold in the period studied. Acetabular indices less than 50 percent indicate a shallow socket at term. Femoral head and acetabular diameter demonstrated a strong relationship (r = 0.860) and in many joints the femoral head diameter exceeded that of the acetabulum. Considerable variability was demonstrated in both femoral angles. The femoral angles showed only low correlation with the other hip variables. These observations indicate that soft tissue structures about the joint must play an important role in neonatal joint stability. The explanation of greater female and left side involvement in congenital hip disease must lie in factors other than growth changes of hip dimensions. Neither angle appears to be a useful indicator of normal joint development.

Acetabulum↗
PubMed2003

[Drive principles of a triaxial physiological hip joint simulator for wear testing of hip endoprostheses].

The long-term performance of hip joint replacements is a major criterion for quality assessment. Aseptic loosening as a result of wear has a considerable impact on the long-term stability of the prosthesis. Constant improvements in hip joint endoprostheses necessitate the use of hip joint simulator to evaluate and assess the suitability of newly developed materials. In the present paper, a triaxial physiological hip joint simulator is presented, and detailed information provided, on the applied control concepts, adaptation of various hard- and software systems and the accuracy of the kinematic and force parameters achievable.

Biomechanical Phenomena↗