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https://www.readbyqxmd.com/read/29930165/posterior-root-medial-meniscus-reconstruction-an-option-in-chronic-posterior-root-meniscal-injury-management
#1
Renaldi Prasetia, Bancha Chernchujit
Posterior root medial meniscus (PRMM) tears have shown to be biomechanically equivalent to complete meniscectomy. Drawbacks from PRMM tears repair are unsatisfactory healing rates. In this case report, we outlined a PRMM reconstruction with gracilis graft healing outcome in chronic PRMM tear case, based on clinical and MRI evaluation. A 60-year-old man reported a chief complaint of increasing pain on the right knee joint in the last 1 year after a deep-flexion injury. On MRI investigation, we confirmed the chronic PRMM tear as Osteoarthritis Kellgren-Lawrence grade II...
June 20, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29928104/a-case-report-on-rare-occurrence-of-periosteal-ganglion-cyst-in-femoral-intercondylar-region
#2
Padmanabh H Vora, Neel M Bhavsar, Rameez Musa, Ajay Trivedi, Prarthan Amin
Ganglions are the cysts derived from myxomatous degeneration of periarticular tissue, commonly found around wrist and foot. Ganglion cysts are uncommon in Knee region and if present their occurrence is mostly incidental and benign. Based on their location, this could be extraarticular or intraarticular. Lesions with similar pathology in subchondral region around joints are lesser common entity called Intraosseous ganglions. Rarer still is the lesion produced by myxomatous degeneration of periosteum of long bone, called periosteal ganglion...
June 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29917011/pigmented-villonodular-synovitis-of-the-knee-an-underappreciated-source-of-pain-in-children-and-adolescents
#3
Samuel Clifton Willimon, Michael T Busch, Crystal A Perkins
BACKGROUND: Pigmented villonodular synovitis (PVNS) is a benign proliferative synovial disorder most commonly described in adults. The purpose of this study is to describe the presentation and management of a large single-center series of pediatric patients with PVNS of the knee. METHODS: A retrospective review was performed of consecutive pediatric patients treated for PVNS at a single institution from 2001 to 2016. Inclusion criteria were patients below 20 years of age with surgical treatment of histologically proven PVNS of the knee...
June 18, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29905630/ultrasound-guided-percutaneous-peripheral-nerve-stimulation-neuromodulation-of-the-sciatic-nerve-for-postoperative-analgesia-following-ambulatory-foot-surgery-a-proof-of-concept-study
#4
Brian M Ilfeld, Rodney A Gabriel, Engy T Said, Amanda M Monahan, Jacklynn F Sztain, Wendy B Abramson, Bahareh Khatibi, John J Finneran, Pia T Jaeger, Alexandra K Schwartz, Sonya S Ahmed
BACKGROUND AND OBJECTIVES: Percutaneous peripheral nerve stimulation (PNS) is an analgesic modality involving the insertion of a lead through an introducing needle followed by the delivery of electric current. This modality has been reported to treat chronic pain as well as postoperative pain the day following knee surgery. However, it remains unknown if this analgesic technique may be used in ambulatory subjects following foot procedures beginning within the recovery room immediately following surgery, and with only short series of patients reported to date, the only available data are derived from strictly observational studies...
June 13, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29898472/mucoid-degeneration-of-the-anterior-cruciate-ligament-characterization-of-natural-history-femoral-notch-width-index-and-patient-reported-outcome-measures
#5
Andrew J Hotchen, Charis Demetriou, Dennis Edwards, Joel T K Melton
The presentation and clinical course of mucoid degeneration of the anterior cruciate ligament (MD-ACL) are poorly documented within the literature. Subsequently, it is under-diagnosed and the optimal management strategy remains ill-defined. Here, we characterize the syndrome associated with MD-ACL and compare the natural clinical course with the outcomes of arthroscopic management. Thirty-one patients with radiological features of MD-ACL over a 2-year period had their clinical notes retrospectively reviewed...
June 13, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29896543/fracture-of-the-insert-cone-of-a-polyethylene-liner-in-a-failed-posterior-stabilized-rotating-platform-total-knee-arthroplasty
#6
Marc R Angerame, Jason M Jennings, Douglas A Dennis
Failures unique to posterior cruciate-substituting total knee prostheses rarely include polyethylene post fractures but have been described. We report a case involving a fracture of the distal insert cone of a rotating-platform (RP) polyethylene liner in a primary total knee arthroplasty. This case highlights a 67-year-old male presenting with new-onset knee pain and recurrent effusions with osteolysis 11 years following placement of a posterior-stabilized, RP total knee arthroplasty. At the time of revision surgery, the polyethylene insert cone was found to be fractured just below the junction between cone and the body of the insert...
June 2018: Arthroplasty Today
https://www.readbyqxmd.com/read/29887503/incidence-and-risk-factors-of-knee-injuries-associated-with-ipsilateral-femoral-shaft-fractures-a-multicentre-retrospective-analysis-of-429-femoral-shaft-injuries
#7
Seong-Eun Byun, Hyun-Chul Shon, Jai Hyung Park, Hyoung Keun Oh, Young-Ho Cho, Ji Wan Kim, Jae-Ang Sim
A femoral shaft fracture is usually a high-energy injury and, thus, is likely to be accompanied by an injury of adjacent joints such as a knee ligament injury. However, these associated injuries are often neglected because of severe pain and deformity. The purpose of the current study is to evaluate the incidence, type and risk factors of ipsilateral knee injuries associated with femoral shaft fractures. A total of 429 femoral shaft fractures were included in this study from January 2010 to September 2015. There were 320 males and 109 females, with mean age of 40...
June 4, 2018: Injury
https://www.readbyqxmd.com/read/29884560/five-cases-of-tibial-post-fracture-in-posterior-stabilized-total-knee-arthroplasty-using-prolong-highly-cross-linked-polyethylene
#8
Owen J Diamond, Lisa Howard, Bassam Masri
BACKGROUND: Fracture of a polyethylene tibial post after a posterior stabilized total knee arthroplasty (PS-TKA) is an uncommon but severe complication. We report five cases of non-traumatic fracture of a tibial polyethylene post that occurred with Prolong highly cross-linked polyethylene with the NexGen LPS-Flex total knee prosthesis. METHODS: A Joint Reconstruction database for a high volume arthroplasty unit was used to identify all cases of revision of Prolong polyethylene used in PS-TKA...
June 5, 2018: Knee
https://www.readbyqxmd.com/read/29865003/increased-postural-stiffness-in-patients-with-knee-osteoarthritis-who-are-highly-sensitized
#9
R P Hirata, S T Skou, O Simonsen, S Rasmussen, T Graven-Nielsen
Aims To evaluate the effect of widespread pain sensitization on postural stability during quiet standing tasks in patients with knee osteoarthritis. Methods Patients (56) stood quietly on a force platform for 1 min in 4 conditions (each repeated 3 times): (i) firm surface (FS) with open eyes (OE), (ii) FS with closed eyes (CE), (iii) soft foam surface (SS) with OE, and (iv) SS with CE. Postural stability was quantified by Center of Pressure (CoP) variables extracted from the force platform. Pressure pain thresholds (PPTs), were assessed bilaterally with a handheld pressure algometer (1 cm2 probe) at: (i) four sites in the knee region (3 cm medial to the midpoint of the medial edge of the patella; 2 cm proximal to the superior edge of the patella; 3 cm lateral to the mid-point of the lateral edge of the patella; and centre of the patella), (ii) tibialis anterior muscle, and (iii) extensor carpi radialis longus muscle...
December 29, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29852512/predictors-of-knee-arthrofibrosis-and-outcomes-after-arthroscopic-lysis-of-adhesions-following-ligamentous-reconstruction-a-retrospective-case-control-study-with-over-two-years-average-follow-up
#10
Blake M Bodendorfer, Laura E Keeling, Evan M Michaelson, Henry T Shu, Nicholas A Apseloff, James D Spratt, Patrick S Malone, Evan H Argintar
Arthrofibrosis can be a devastating complication after ligamentous knee reconstruction. Beyond early range of motion (ROM), manipulation under anesthesia (MUA) and arthroscopic lysis of adhesions (LOAs) are the most frequently employed interventions for the condition. There is a paucity of data regarding predictive factors of arthrofibrosis requiring MUA and LOA, and even less data regarding changes in validated patient-reported outcome measures following the procedure. A retrospective case-control study was performed at an academic, urban Level I trauma center of patients that developed arthrofibrosis requiring MUA and LOA following ligamentous reconstruction...
May 31, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29808972/anesthesia-and-analgesia-for-total-knee-arthroplasty-a-narrative-review
#11
Ellen M Soffin, Stavros G Memtsoudis
BACKGROUND: The demand for total knee arthroplasty (TKA) is rising worldwide. Controversy persists in the literature regarding the benefits of general vs. neuraxial anesthesia and which anesthetic is associated with the best outcomes. Likewise, the abundance of analgesic options for post-TKA pain have led to debate regarding the safest, most effective regimens. METHODS: In this narrative review, we evaluated a selection of recent publications regarding anesthetic and analgesic choices for TKA...
May 28, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29798524/-posterolateral-minimal-incision-poking-reduction-and-simple-internal-fixation-in-treatment-of-collapsed-fractures-of-posterolateral-tibial-plateau
#12
Yonggang Tu, Shaodong Ren, Bolin Ye, Bangxing Ma, Shifei Zhang, Haobin Yuan
Objective: To explore the effectiveness of limited incision, poking reduction, and simple internal fixation in the treatment of collapsed fractures of the posterolateral tibial plateau. Methods: Between October 2010 and January 2016, 16 patients with collapsed fractures of the posterolateral tibial plateau underwent posterolateral incision, poking reduction, and simple internal fixation. There were 10 males and 6 females with the age of 22-63 years (mean, 43.5 years)...
July 1, 2017: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/29797704/the-analgesic-effect-of-a-popliteal-plexus-blockade-after-total-knee-arthroplasty-a-feasibility-study
#13
C Runge, S Bjørn, J M Jensen, N D Nielsen, M Vase, C Holm, T F Bendtsen
INTRODUCTION: An obturator nerve block (ONB) and a femoral triangle block (FTB) provide effective analgesia after total knee arthroplasty (TKA) without impeding the ambulation, although the ONB produces motor blockade of the hip adductor muscles. The popliteal plexus (PP) in the popliteal fossa is formed by contribution from the tibial nerve and the posterior obturator nerve, innervating intraarticular genicular structures and the posterior capsule of the knee. We hypothesised that a popliteal plexus block (PPB) as a supplement to an FTB would reduce pain after TKA without anaesthetising motor branches from the sciatic nerve in the popliteal fossa...
May 24, 2018: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/29791927/treatment-outcome-of-reconstruction-for-isolated-posterior-cruciate-injury-subjective-and-objective-evaluations
#14
Satoshi Ochiai, Tetsuo Hagino, Shinya Senga, Takashi Yamashita, Hirotaka Haro
There is no consensus regarding the treatment method and outcome of posterior cruciate ligament (PCL) injury. We hypothesized that although the outcome of PCL reconstruction was favorable in terms of knee stability, the outcome was unsatisfactory in terms of patient-based assessments. The purpose of this study is to evaluate the treatment outcomes of knees that underwent reconstruction for PCL injury by subjective and objective assessments, and to analyze the correlation between various assessments. Twenty-three patients who underwent PCL reconstruction were studied...
May 23, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29767270/no-correlation-between-rotation-of-femoral-components-in-the-transverse-plane-and-clinical-outcome-after-total-knee-arthroplasty
#15
Roland Becker, Katharina Bäker, Hagen Hommel, Manfred Bernard, Sebastian Kopf
PURPOSE: It was hypothesized that malrotation of femoral component in total knee arthroplasty (TKA) will significantly impact clinical outcome. METHODS: Eighty-eight consecutive patients with primary osteoarthritis of the knee were prospectively evaluated. They received a cemented posterior stabilized TKA (NexGen, Zimmer/Biomet® Inc., Warsaw, IN, USA). The femoral component was placed in 3° of external rotation referenced to the posterior condylar line. Postoperatively, a CT scan was performed to evaluate rotation of femoral component in the transverse plane...
May 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29762282/uncemented-tantalum-monoblock-tibial-fixation-for-total-knee-arthroplasty-in-patients-less-than-60-years-of-age-mean-10-year-follow-up
#16
Christopher J DeFrancesco, José A Canseco, Charles L Nelson, Craig L Israelite, Atul F Kamath
BACKGROUND: Although tibial component loosening has been considered a concern after total knee arthroplasty without cement, such implants have been used in younger patients because of the potential for ingrowth and preservation of bone stock. However, mid-term and long-term studies of modern uncemented implants are lacking. We previously reported promising prospective 5-year outcomes after using an uncemented porous tantalum tibial component in patients who underwent surgery before the age of 60 years...
May 16, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29750695/proximal-versus-distal-continuous-adductor-canal-blocks-does-varying-perineural-catheter-location-influence-analgesia-a-randomized-subject-masked-controlled-clinical-trial
#17
Jacklynn F Sztain, Bahareh Khatibi, Amanda M Monahan, Engy T Said, Wendy B Abramson, Rodney A Gabriel, John J Finneran, Richard H Bellars, Patrick L Nguyen, Scott T Ball, Francis B Gonzales, Sonya S Ahmed, Michael C Donohue, Jennifer A Padwal, Brian M Ilfeld
BACKGROUND: A continuous adductor canal block provides analgesia after surgical procedures of the knee. Recent neuroanatomic descriptions of the thigh and knee led us to speculate that local anesthetic deposited in the distal thigh close to the adductor hiatus would provide superior analgesia compared to a more proximal catheter location. We therefore tested the hypothesis that during a continuous adductor canal nerve block, postoperative analgesia would be improved by placing the perineural catheter tip 2-3 cm cephalad to where the femoral artery descends posteriorly to the adductor hiatus (distal location) compared to a more proximal location at the midpoint between the anterior superior iliac spine and the superior border of the patella (proximal location)...
May 9, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29748070/morphometric-tibial-implant-decreases-posterior-overhang-rate-and-improves-clinical-outcomes-results-of-a-prospective-matched-controlled-study
#18
Paul Bizzozero, Yassine Bulaid, Xavier Flecher, Matthieu Ollivier, Sébastien Parratte, Jean-Noel Argenson
BACKGROUND: Tibial implant's positioning in total knee arthroplasty (TKA) requires a compromise between implant's rotation and bone coverage. We hypothesized that morphometric tibial trays (MTTs) would improve implant positioning and clinical outcomes as compared with symmetrical tibial trays. METHODS: Thirty-three patients were included prospectively according to the following criteria: age from 18 to 85 years, body mass index <35 kg/m2 , and posterostabilized cemented TKA performed for primary arthritis...
April 19, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29734499/blood-perfusion-of-patellar-bone-measured-by-dynamic-contrast-enhanced-mri-in-patients-with-patellofemoral-pain-a-case-control-study
#19
Rianne A van der Heijden, Dirk H J Poot, Melek Ekinci, Gyula Kotek, Peter L J van Veldhoven, Stefan Klein, Jan A N Verhaar, Gabriel P Krestin, Sita M A Bierma-Zeinstra, Marienke van Middelkoop, Edwin H G Oei
BACKGROUND: Altered perfusion might play an important role in the pathophysiology of patellofemoral pain (PFP), a common knee complaint with unclear pathophysiology. PURPOSE: To investigate differences in dynamic contrast-enhanced (DCE)-MRI perfusion parameters between patients with PFP and healthy control subjects. POPULATION/SUBJECTS/PHANTOM/SPECIMEN/ANIMAL MODEL: Thirty-five adult patients with PFP and 44 healthy adult control subjects...
May 7, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29721648/comparison-of-adductor-canal-block-and-ipack-block-interspace-between-the-popliteal-artery-and-the-capsule-of-the-posterior-knee-with-adductor-canal-block-alone-after-total-knee-arthroplasty-a-prospective-control-trial-on-pain-and-knee-function-in-immediate
#20
S R Sankineani, A R C Reddy, Krishna Kiran Eachempati, Ajit Jangale, A V Gurava Reddy
BACKGROUND: Adductor canal block (ACB) is a peripheral nerve blockade technique that provides good pain control in patients undergoing total knee arthroplasty which however does not relieve posterior knee pain. The recent technique of an ultrasound-guided local anesthetic infiltration of the interspace between popliteal artery and the capsule of posterior knee (IPACK) has shown promising results in providing significant posterior knee analgesia without affecting the motor nerves. MATERIALS AND METHODS: A prospective study was conducted from September 2016 to March 2017 in a total of 120 patients undergoing unilateral total knee arthroplasty...
May 2, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
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