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Knee Exam

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81. Are Histological Examinations of Arthroplasty Specimens Performed Consistently Across the Country? A Large Database Study. (Abstract)

Are Histological Examinations of Arthroplasty Specimens Performed Consistently Across the Country? A Large Database Study. It is currently unknown to what extent routine histological examination of joint arthroplasty specimens occurs across hospitals nationwide. Although this practice is neither supported nor refuted by the available evidence, given the increasing demand for joint arthroplasties, it is crucial to study overall utilization as well as its main drivers.Using national data on joint (...) replacements, we aimed to evaluate: (1) What is the current use of routine histological examination of joint arthroplasty specimens? (2) Does the use vary by geographic location and hospital characteristics? (3) Has use changed over time?From the Premier Healthcare database (2006-2016) we included claims data from 87,667 shoulder (595 hospitals, median age 70 years, 16% nonwhite), 564,577 hip (629 hospitals, median age 65 years, 21% nonwhite), and 1,131,323 (630 hospitals, median age 66 years, 24% nonwhite

2019 Clinical Orthopaedics and Related Research

82. No dynamic extrusion of the medial meniscus in ultrasound examination in patients with confirmed root tear lesion. (Abstract)

No dynamic extrusion of the medial meniscus in ultrasound examination in patients with confirmed root tear lesion. Extrusion of the medial meniscus evaluated on magnetic resonance imaging (MRI) has been described as indirect radiological sign for meniscus root tears. However, ultrasound detectable dynamic extrusion is observed in normal physiological settings. The aim of the present study was to analyze the dynamic meniscal extrusion using ultrasound (US) examination in patients with MRI (...) -confirmed meniscal root tears. The hypothesis was that dynamic meniscus extrusion is reduced in patients with medial root tear but not in the healthy meniscus.Twenty-five patients with a medial root lesion of the meniscus (group I) and 25 healthy controls (group II) were enrolled in this study. The medial meniscus extrusion (MME) of the index knee was determined using ultrasound (US) in supine position and under full weight bearing. Standard knee MRI was used for determining whether the patients were

2019 Knee Surgery, Sports Traumatology, Arthroscopy

83. Editorial Commentary: Why Should the Contralateral Side Be Examined in Patients With Symptomatic Discoid Lateral Meniscus? (Full text)

Editorial Commentary: Why Should the Contralateral Side Be Examined in Patients With Symptomatic Discoid Lateral Meniscus? Recent reports have found the rate of bilateral discoid lateral meniscus (DLM) to be high (79%-97%) in patients with unilaterally symptomatic DLM; the associated torn meniscus incidence is also high at 33%. The present study results indicated that older, symptomatic DLM patients with more degenerative changes may be at risk for a similar condition in the contralateral knee (...) . Long-term follow-up with magnetic resonance imaging screening for asymptomatic contralateral knees is necessary to determine the fate of the contralateral knee.Copyright © 2019 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

2019 Arthroscopy PubMed abstract

84. Comparison of the history and physical examination for hip osteoarthritis and lumbar spinal stenosis. (Abstract)

Comparison of the history and physical examination for hip osteoarthritis and lumbar spinal stenosis. Leg pain associated with walking is sometimes incorrectly attributed to hip osteoarthritis (OA) or lumbar spinal stenosis (LSS).This study compared physicians' values of signs and symptoms for diagnosing and differentiating hip OA and LSS to their clinical utility.Musculoskeletal physicians were surveyed with online questionnaires. Patients were recruited from hip and spine specialty (...) practices.Seventy-seven hip OA and 79 LSS patients.Signs and symptoms of hip OA and LSS.Fifty-one of 66 invited musculoskeletal physicians completed online surveys about the values of 83 signs and symptoms for diagnosing hip OA and LSS. Of these, the most valued 32 symptoms and 13 physical examination items were applied to patients with symptomatic hip OA or LSS. Positive likelihood ratios (+LR) were calculated for each items' ability to differentiate hip OA from LSS, with a +LR>2 set as indicating usefulness

2019 The Spine Journal

85. Literature search and evidence assessment to examine the effects of minimum volume regulations according to the G-BA directive on outpatient treatment in hospitals

Literature search and evidence assessment to examine the effects of minimum volume regulations according to the G-BA directive on outpatient treatment in hospitals Executive Summary 1 Translation of the executive summary of the rapid report “Literaturrecherche und Evidenzprüfung zur Überprüfung der Auswirkungen der Regelungen über Mindestmengen gemäß der Richtlinie des G-BA über die ambulante Behandlung im Krankenhaus” [Version 1.0; Status: 29.05.2012]). Please note: This translation (...) is provided as a service by IQWiG to English-language readers. However, solely the German original text is absolutely authoritative and legally binding. IQWiG Reports - Commission No. V11-01 Literature search and evidence assessment to examine the effects of minimum volume regulations according to the G-BA directive on outpatient treatment in hospitals 1 Executive summary of rapid report V11-01 Version 1.0 Evidence on effects of minimum volume regulation pursuant to § 116b SGB V 29.05.2012 Institute

2012 Institute for Quality and Efficiency in Healthcare (IQWiG)

86. Self-reported knee instability associated with pain, activity limitations, and poorer quality of life before and one year after total knee arthroplasty in patients with knee osteoarthritis. (Full text)

regression analyses were performed to examine associations between knee instability, pain, activity limitations, and QoL, adjusted for covariates (age, gender, comorbidities, and radiographic severity). Of the 908 included patients, 649 (71%) and 187 (21%) reported knee instability before and following TKA, respectively. Of the patients with preoperative knee instability, this perception was retained in 165 (25%) cases. Knee instability was preoperatively associated with pain (B -9.6; 95%CI: -12.4 (...) Self-reported knee instability associated with pain, activity limitations, and poorer quality of life before and one year after total knee arthroplasty in patients with knee osteoarthritis. Information on the association of self-reported knee instability with clinical outcomes after Total Knee Arthroplasty (TKA) and 1 year follow-up is scarce. The aims were to determine (i) the course and prevalence of self-reported knee instability before and 1 year after TKA and (ii) the associations

2018 Journal of Orthopaedic Research PubMed abstract

87. Systematic review and meta-analysis of the survival until revision of fixed bearing unicompartmental knee replacement versus mobile bearing unicompartmental knee replacement for patients with knee arthritis

Systematic review and meta-analysis of the survival until revision of fixed bearing unicompartmental knee replacement versus mobile bearing unicompartmental knee replacement for patients with knee arthritis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears (...) are used to explore between-study heterogeneity and can provide insight into the relationship between study characteristics (e.g. species, sex or drug class or dose) and effect size. They should be considered hypothesis-generating. Ideally, a threshold describing the number of studies per subgroup required for analysis should be specified. For further guidance please refer to the and to pre-clinical meta-analysis. Example: The following study characteristics will be examined as potential source

2020 PROSPERO

88. Pain, knee function and quality of life following genicular radiofrequency ablation of the knee joint for chronic knee pain stemming from osteoarthritis

Pain, knee function and quality of life following genicular radiofrequency ablation of the knee joint for chronic knee pain stemming from osteoarthritis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content (...) heterogeneity and can provide insight into the relationship between study characteristics (e.g. species, sex or drug class or dose) and effect size. They should be considered hypothesis-generating. Ideally, a threshold describing the number of studies per subgroup required for analysis should be specified. For further guidance please refer to the and to pre-clinical meta-analysis. Example: The following study characteristics will be examined as potential source of heterogeneity: species (stratified per

2020 PROSPERO

89. Development and psychometric properties of knee-specific body-perception questionnaire in people with knee osteoarthritis: The Fremantle Knee Awareness Questionnaire. (Full text)

Development and psychometric properties of knee-specific body-perception questionnaire in people with knee osteoarthritis: The Fremantle Knee Awareness Questionnaire. Recent systematic reviews have demonstrated that pain associated with knee osteoarthritis (OA) is a complex phenomenon that involves various contributors. People with knee OA exhibit symptoms of impaired body-perception, including reduced tactile acuity, impairments in limb laterality recognition, and degraded proprioceptive (...) acuity. The Fremantle Back Awareness Questionnaire (FreBAQ) was developed to assess body-perception specific to the back in people with chronic low back pain. The aim of this study was to develop and assess the psychometric properties of a knee-specific version of the FreBAQ-J (FreKAQ-J), determine whether people with knee pain experience perceptual impairments and investigate the relationship between disturbed self-perception and clinical status.Sixty-five people with knee OA completed the FreKAQ-J

2017 PLoS ONE PubMed abstract

90. Association between knee inflammation and knee pain in patients with knee osteoarthritis: a systematic review and meta-analysis

Association between knee inflammation and knee pain in patients with knee osteoarthritis: a systematic review and meta-analysis Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. The registrant confirms that the information supplied for this submission is accurate and complete. CRD bears no responsibility or liability for the content of this registration record, any (...) and can provide insight into the relationship between study characteristics (e.g. species, sex or drug class or dose) and effect size. They should be considered hypothesis-generating. Ideally, a threshold describing the number of studies per subgroup required for analysis should be specified. For further guidance please refer to the and to pre-clinical meta-analysis. Example: The following study characteristics will be examined as potential source of heterogeneity: species (stratified per species

2020 PROSPERO

91. The Effect of Text Messaging on Medication Adherence After Outpatient Knee Arthroscopy: A Randomized Controlled Trial. (Abstract)

The Effect of Text Messaging on Medication Adherence After Outpatient Knee Arthroscopy: A Randomized Controlled Trial. The purpose of this project was to examine if text message reminders can increase postoperative adherence to treatment with acetaminophen among outpatients undergoing arthroscopic knee surgery.A nonblinded randomized control trial.In this study, 187 patients were randomized to either an intervention group (text message reminders) or a control group (no text message reminders

2019 Journal of perianesthesia nursing : official journal of the American Society of PeriAnesthesia Nurses Controlled trial quality: uncertain

92. Effect of Listening to Music on Postoperative Cognitive Function in Older Adults After Hip or Knee Surgery: A Randomized Controlled Trial. (Abstract)

Effect of Listening to Music on Postoperative Cognitive Function in Older Adults After Hip or Knee Surgery: A Randomized Controlled Trial. This study aimed to assess the effect of listening to music on postoperative cognitive function in older adults after hip or knee surgery.This work was a randomized controlled study that involved an intervention group and control group.Study data were recollected by using a patient information form, Mini-Mental State Examination (MMSE), and NEECHAM Confusion (...) postoperative cognitive dysfunction in patients who underwent hip or knee arthroplasty.Copyright © 2019 American Society of PeriAnesthesia Nurses. Published by Elsevier Inc. All rights reserved.

2019 Journal of perianesthesia nursing : official journal of the American Society of PeriAnesthesia Nurses Controlled trial quality: uncertain

93. The Menstrual Cycle May Affect Anterior Knee Laxity and the Rate of Anterior Cruciate Ligament Rupture: A Systematic Review and Meta-Analysis. (Abstract)

The Menstrual Cycle May Affect Anterior Knee Laxity and the Rate of Anterior Cruciate Ligament Rupture: A Systematic Review and Meta-Analysis. Women have a higher risk of anterior cruciate ligament (ACL) tears than men, the causes of which are multifactorial. The menstrual cycle and its hormonal effect on the knee may contribute to knee laxity and ACL injury. This work reviewed published studies examining the effects of the phases of the menstrual cycle on anterior knee laxity and the rate (...) of ACL tears.A systematic review with meta-analysis and meta-regression was performed. Studies with data comparing the menstrual cycle phase with ACL injury or anterior knee laxity were included for analysis. Data with regard to patient demographic characteristics, anterior knee laxity, ACL injury, and menstrual cycle phases were extracted from the included studies.In this study, 1,308 search results yielded 396 articles for review, of which 28 met inclusion criteria. Nineteen studies of knee laxity

2019 JBJS reviews

94. Reduction of Blood Loss by Tranexamic Acid Following Total Hip and Knee Arthroplasty: A Meta-Analysis. (Abstract)

Reduction of Blood Loss by Tranexamic Acid Following Total Hip and Knee Arthroplasty: A Meta-Analysis. This study involved a meta-analysis of 36 published studies to examine the efficacy of intravenous (IV) and intra-articular (IA) tranexamic acid (TXA) in reducing blood loss, drain output, thromboembolic complications, and hospital stay following total hip and total knee arthroplasty. This study also evaluated whether treatment with a combination of both IA and IV TXA has an effect (...) with fixed effects. Results are presented as the standardized mean difference (SMD), and meta-regression was employed to explore plausible demographic contributions to heterogeneity.Twenty-eight randomized controlled trials, 3 prospective cohort studies, and 5 retrospective cohort studies with 5,499 patients were included in this review. IA administration during total knee arthroplasty showed a significant advantage in terms of total blood loss (SMD = -0.14, 95% confidence interval [CI] = -0.027 to -0.02

2019 JBJS reviews

95. Periarticular injection of tranexamic acid promotes early recovery of the range of knee motion after total knee arthroplasty. (Full text)

Periarticular injection of tranexamic acid promotes early recovery of the range of knee motion after total knee arthroplasty. Tranexamic acid (TXA) is a commonly used compound that reduces postoperative blood loss. Periarticular injection of TXA is a recently reported procedure with some advantages such as cost-effectiveness and the ease of performance over an intravenous or topical administration. However, its association with functional recovery remains unclear. This study aimed to examine (...) the effect of periarticular injection of TXA on early postoperative recovery of knee functionality after total knee arthroplasty (TKA).Eighty-four patients who underwent primary unilateral TKA from February 2013 to August 2016 were classified into two groups based on whether they received TXA injection (44 cases each in the TXA and control groups). Patients in the TXA group received periarticular injection of TXA (1000 mg) just prior to incision closure. Ten-meter walk test (s), pain visual analog scale

2019 Journal of orthopaedic surgery (Hong Kong) Controlled trial quality: uncertain PubMed abstract

96. Coronal and sagittal laxity affects clinical outcomes in posterior-stabilized total knee arthroplasty: assessment of well-functioning knees. (Abstract)

Coronal and sagittal laxity affects clinical outcomes in posterior-stabilized total knee arthroplasty: assessment of well-functioning knees. Both coronal and sagittal laxity of well-functioning knees after total knee arthroplasty (TKA) was examined, and the correlations between the joint laxity and the clinical outcomes were analyzed to clarify the adequate joint laxity for the prosthesis, and the relationship between the laxity and the outcomes.Forty well-functioning TKA knees with a high (...) -flexion posterior-stabilized (PS) prosthesis were studied. All patients were diagnosed as having osteoarthritis with varus deformity and were followed up for 2 years or more. The coronal and sagittal laxity was assessed at extension and flexion, and the correlations between the joint laxity and the clinical outcomes were evaluated.The varus and valgus laxity averaged 5.6 ± 1.8° and 3.6 ± 1.2° at 10° knee flexion, and 7.4 ± 5.1° and 3.6 ± 2.7° at 80° knee flexion, respectively, and the AP laxity at 30

2019 Knee Surgery, Sports Traumatology, Arthroscopy

97. The association between smoking and knee osteoarthritis in a cohort of Danish patients undergoing knee arthroscopy. (Full text)

The association between smoking and knee osteoarthritis in a cohort of Danish patients undergoing knee arthroscopy. It has been suggested that smoking is associated with reduced risk of knee osteoarthritis (OA). However, supplementary studies are needed to further investigate any such potential association. Thus, our aim was to examine the relationship between smoking and early or more established knee OA in a cohort of relatively young patients with meniscal tears.This cross-sectional study (...) . The relationship between smoking status and knee OA was examined by risk ratio (RR) with a 95% confidence interval (CI), estimated from logistic regression adjusted for age, sex, BMI, education, work status and level of physical activity.The prevalence of early or more established knee OA was 37.7% in current smokers and 45.0% in non-smokers. We found no statistically significant association between current smoking and knee OA (adjusted RR 1.09, 95% CI 0.91-1.30).This study found no relationship between

2019 BMC Musculoskeletal Disorders PubMed abstract

98. Medial unicompartmental knee arthroplasty: increasingly uniform patient demographics despite differences in surgical volume and usage-a descriptive study of 8,501 cases from the Danish Knee Arthroplasty Registry. (Full text)

, we examined changes-both overall and by center volume and usage (low vs high)-in sex distribution, age, weight, and preoperative American Knee Society Score (AKSS-O). Results - Over the last 20 years, UKA use in Denmark has been increasing steadily. Age, weight, and proportion of men all increased regardless of volume and usage. AKSS-O showed an initial increase followed by a decrease. In low-usage and low-volume centers, the proportion of women was higher, patients were younger, weighed less (...) Medial unicompartmental knee arthroplasty: increasingly uniform patient demographics despite differences in surgical volume and usage-a descriptive study of 8,501 cases from the Danish Knee Arthroplasty Registry. Background and purpose - Using contemporary indications, up to 50% of patients undergoing knee arthroplasty are eligible for unicompartmental knee arthroplasty (UKA), and lower UKA use likely reflects a restrictive approach to patient selection. Since broader indications have been

2019 Acta Orthopaedica PubMed abstract

99. Thiazide diuretics and risk of knee replacement surgery among patients with knee osteoarthritis: a general population-based cohort study. (Abstract)

of thiazide and loop diuretics.Among patients aged ≥50 years with a diagnosis of knee osteoarthritis in The Health Improvement Network (THIN) in United Kingdom, we conducted a propensity score-matched cohort study to examine the relation of thiazide diuretic initiation vs loop diuretic initiation to the risk of KR over 5 years.Among thiazide and loop diuretic initiators (n = 3,488 for each group; mean age: 73 years; female ratio: 59%), 359 (28.6/1,000 person-years) and 283 (24.1/1,000 person-years) KRs (...) Thiazide diuretics and risk of knee replacement surgery among patients with knee osteoarthritis: a general population-based cohort study. Thiazide diuretic use is associated with higher bone mineral density (BMD) and possibly lower serum magnesium levels than loop diuretic use, and both high BMD and low serum magnesium have been linked to high prevalent knee osteoarthritis. This study aimed to compare the risk of a clinically relevant endpoint, knee replacement (KR) surgery, among initiators

2019 Osteoarthritis and Cartilage

100. The clinical and radiographic course of early knee and hip osteoarthritis over 10 years in CHECK (Cohort Hip and Cohort Knee). (Abstract)

place at baseline and at 2, 5, 8, and 10 year follow-up. At each visit, questionnaires were administered, physical examination performed, and X-ray images obtained. Clinical OA was defined according to the clinical American College of Rheumatism (ACR) criteria. Radiographic OA (ROA) was defined as Kellgren and Lawrence score (K&L) ≥2.83% of the subjects reported knee pain, 59% hip pain, and 42% reported both hip and knee pain at baseline. 85% of the subjects completed 10-year follow-up. Pain scores (...) The clinical and radiographic course of early knee and hip osteoarthritis over 10 years in CHECK (Cohort Hip and Cohort Knee). To describe the radiographic and symptomatic course in subjects with hip or knee complaints suspected of early osteoarthritis (OA).CHECK (Cohort Hip and Cohort Knee) is a multicenter, prospective observational cohort study of 1,002 subjects with first complaints in knee(s) and/or hip(s) (age 56 ± 5 years; 79% female; body mass index (BMI) 26 ± 4 kg/m2). Visits took

2019 Osteoarthritis and Cartilage

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