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https://www.readbyqxmd.com/read/29350634/mri-of-popliteo-meniscal-fasciculi-of-the-knee-a-pictorial-review
#1
Marcello Zappia, Alfonso Reginelli, Vito Chianca, Michela Carfora, Francesco Di Pietto, Germano Iannella, Pier Paolo Mariani, Mariano Di Salvatore, Silvia Bartollino, Nicola Maggialetti, Salvatore Cappabianca, Luca Brunese
The popliteomeniscal fascicules (PMFs) provide the attachment of the lateral meniscus to the popliteus musculotendinous region, forming the floor and the roof the popliteal hiatus. In the second half of 1900's, some anatomic studies claim the important function of the PMF as stabilizers of the lateral meniscus; these anatomical structures work in conjunction with the popliteus musculotendinous unit to prevent excessive lateral meniscal movement and possible meniscus subluxation. A correct diagnosis of the PMFs pathology is crucial to establish the suitable surgical treatment for each patient...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29349991/-effects-of-creating-a-tunnel-through-intercondylar-fossa-under-arthroscopy-for-the-treatment-of-complex-tears-at-the-medial-meniscus-posterior-horn
#2
Ling-Dai Dong, Chang-Jian Bing, Jian-Lin Li, Yue Cai
OBJECTIVE: To discuss the advantages of the arthroscopic treatment for complex tears of the medial meniscus posterior horn by creating a tunnel passageway through the intercondylar fossa. METHODS: All 127 patients including 24 males and 103 females with complex tears at the medial meniscus posterior horn were reviewed. The age of all patients ranged from 45 to 78 years old, with an average of 67 years old. All 127 patients were treated with partial meniscectomy, in which 112 patients were treated with partial meniscectomy smoothly with three incisions (anterior medial incision, anterior lateral incision, high anterior lateral incision), and 15 patients were treated with four incisions (anterior medial incision, anterior lateral incision, high anterior lateral incision, posterior medial incision)...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29340652/pain-sensitivity-associated-with-the-length-of-the-maximum-interblink-period
#3
Wing Li, Meng C Lin
Purpose: Pain sensitivity has been identified as a factor that affects how individuals answer dry eye questionnaires, but it is unknown how it affects ocular discomfort. This study used the time that individuals could refrain from blinking as an indicator of ocular discomfort and set out to determine whether it was related to pain sensitivity, while adjusting for ocular surface conditions. Methods: Subjects first completed the Pain Sensitivity Questionnaire to quantify pain sensitivity levels...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29333118/the-relationship-between-chondromalacia-patella-medial-meniscal-tear-and-medial-periarticular-bursitis-in-patients-with-osteoarthritis
#4
Mustafa Resorlu, Davut Doner, Ozan Karatag, Canan Akgun Toprak
Background: This study investigated the presence of bursitis in the medial compartment of the knee (pes anserine, semimembranosus-tibial collateral ligament, and medial collateral ligament bursa) in osteoarthritis, chondromalacia patella and medial meniscal tears. Patients and methods: Radiological findings of 100 patients undergoing magnetic resonance imaging with a preliminary diagnosis of knee pain were retrospectively evaluated by two radiologists. The first radiologist assessed all patients in terms of osteoarthritis, chondromalacia patella and medial meniscal tear...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29329471/diagnosing-meniscal-pathology-and-understanding-how-to-evaluate-a-postoperative-meniscus-based-on-the-operative-procedure
#5
Monica Tafur, Linda Probyn, Jaskarndip Chahal, Lawrence M White
Magnetic resonance imaging (MRI) represents the preferred noninvasive imaging technique to diagnose meniscal pathology in the pre- and postoperative setting. Furthermore, characterization of meniscal tissue MR properties has been possible by the development of advanced MRI techniques. Suspected meniscal tears are a frequent indication for MRI and the International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine (ISAKOS) classification system has been developed to facilitate accurate and uniform reporting of such meniscal tears...
January 12, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29303366/current-clinical-radiological-and-treatment-perspectives-of-patellofemoral-pain-syndrome
#6
Aishwarya Gulati, Christopher McElrath, Vibhor Wadhwa, Jay P Shah, Avneesh Chhabra
Anterior knee pain in active young adults is commonly related to patellofemoral (PF) pain syndrome (PFPS), which can be broadly classified into patellar malalignment and patellar maltracking. PFPS can be caused by a host of miserable malalignments, such as excessive femoral antetorsion, tibial varus / external rotation, knee valgus and pes planus. Radiographic, CT and MRI evaluations are commonly obtained to further elucidate the malalignment and maltracking abnormalities and exclude other related differentials, such as lateral meniscus tear, extensor tendon tear, anterior tenosynovial giant cell tumor and plica syndrome...
January 5, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29287948/readability-of-the-most-commonly-accessed-arthroscopy-related-online-patient-education-materials
#7
Sheriff D Akinleye, Ryan Krochak, Nicholas Richardson, Garret Garofolo, Maya Deza Culbertson, Orry Erez
PURPOSE: To assess the readability and comprehension of written text by the most commonly visited websites containing patient education materials on common conditions that can be treated arthroscopically. METHODS: We examined 50 websites, assessed independently by 2 orthopaedic surgery residents (S.A. and G.G.), with educational materials on 5 common conditions treated by arthroscopic surgeons: anterior cruciate ligament (ACL) tear, meniscus tear, hip labral tear, shoulder labral tear, and rotator cuff tear...
December 26, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29260438/novel-flat-and-wide-meniscal-repair-material-improves-the-ultimate-load-of-knot-breakage-in-a-porcine-trans-capsular-meniscal-repair-model
#8
Hiroyuki Yokoi, Tatsuo Mae, Ryo Iuchi, Yasuhiro Take, Yuta Tachibana, Kazunori Shimomura, Tomoki Ohori, Konsei Shino, Hideki Yoshikawa, Ken Nakata
BACKGROUND: In the meniscal repair procedures, a high ultimate load capacity and low cyclic creep at the repair site are favorable and lead to good biological incorporation of the tear site after surgery. Previous biomechanical tensile tests of the meniscal sutures have identified the suture knot as the weakest point. We hypothesized that the strength of a suture knot depends on the suture shape, and therefore, we compared three differently shaped suture materials composed of the same material and quantity per length...
December 19, 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29259990/arthroscopic-management-for-the-unstable-inferior-leaf-of-the-lateral-meniscus-anterior-horn-and-associated-cysts-through-a-direct-inframeniscal-portal-a-retrospective-study
#9
Dongyang Chen, Qiangqiang Li, Ye Sun, Jianghui Qin, Yao Yao, Qing Jiang
Introduction: To investigate the clinical results of arthroscopic management for the unstable inferior leaf of the lateral meniscus anterior horn and associated cysts through an inframeniscal portal. Methods: From March 2005 to October 2014, 64 patients with an unstable inferior leaf of the lateral meniscus anterior horn and associated cysts underwent arthroscopic management with an inframeniscal portal. The mean age of the patients was 36.9 years (range, 18 to 49 years)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29258882/transcriptome-comparison-of-meniscus-from-patients-with-and-without-osteoarthritis
#10
Robert H Brophy, Bo Zhang, Lei Cai, Rick W Wright, Linda J Sandell, Muhammad Farooq Rai
OBJECTIVE: To assess the impact of osteoarthritis (OA) on the meniscus by comparing transcripts and biological processes in the meniscus between patients with and without OA. DESIGN: RNA microarrays were used to identify transcripts differentially expressed (DE) in meniscus obtained from 12 OA and 12 non-OA patients. The non-OA specimens were obtained at the time of arthroscopic partial meniscectomy (APM). Real-time PCR was performed on selected transcripts. Biological processes and gene-networking was examined computationally...
December 16, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29227373/incidence-of-meniscal-entrapment-and-associated-knee-injuries-in-tibial-spine-avulsions
#11
Jason T Rhodes, Peter C Cannamela, Aristides I Cruz, Meredith Mayo, Alexandra C Styhl, Connor G Richmond, Theodore J Ganley, Kevin G Shea
BACKGROUND: Tibial spine avulsions (TSA) have historically been treated as isolated injuries. Data on associated injuries are limited with existing literature reporting wide ranging incidences. The purpose of this multicenter study was to (1) describe the incidence of meniscal entrapment and associated knee injuries in TSA and to (2) compare surgical and magnetic resonance image (MRI) findings for these injuries. Our hypothesis is that tibial spine injuries are not usually isolated injuries, and other meniscal, ligament, and cartilage injuries may be present...
December 8, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29225019/primary-versus-revision-anterior-cruciate-ligament-reconstruction-patient-demographics-radiographic-findings-and-associated-lesions
#12
Justin J Mitchell, Mark E Cinque, Grant J Dornan, Lauren M Matheny, Chase S Dean, Brad Kruckeberg, Gilbert Moatshe, Jorge Chahla, Robert F LaPrade
PURPOSE: The purpose of this study was to evaluate the differences in intra-articular pathology, demographic characteristics, and radiographic characteristics of the knee associated with primary anterior cruciate ligament reconstruction (ACLR) versus revision ACLR at the time of initial presentation with either a native anterior cruciate ligament tear or an anterior cruciate ligament graft tear. Secondarily, we aimed to investigate risk factors for concomitant medial and lateral meniscal tears and cartilage injuries at the time of ACLR...
December 7, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29207986/risk-of-total-subtotal-meniscectomy-for-respective-medial-and-lateral-meniscus-injury-correlation-with-tear-type-duration-of-complaint-age-gender-and-acl-rupture-in-6034-asian-patients
#13
Dong Jiang, Xiao Luo, Yingfang Ao, Xi Gong, Yong-Jian Wang, Hai-Jun Wang, Yu Miao, Nan Li, Ji-Ying Zhang, Jia-Kuo Yu
BACKGROUND: To evaluate the risk factor associated with total or subtotal meniscectomy for respective medial and lateral meniscus injury. METHODS: The data of all the meniscus injured patients undergoing arthroscopy in our institute between January 15th, 2000 and December 31st, 2008 was collected and 6034 patients with 7241 injured menisci met the inclusion criteria. The mean patient age was 33.6 ± 14.9 years and there were 4785 males and 2456 females with 3568 medial and 3673 lateral menisci...
December 5, 2017: BMC Surgery
https://www.readbyqxmd.com/read/29205873/evaluation-of-dry-eye-using-anterior-segment-optical-coherence-tomography-in-patients-with-end-stage-renal-disease-undergoing-hemodialysis
#14
Öznur Kal, Mahmut Oğuz Ulusoy, Ali Kal, Gülşah Tanriaşki, Şefik Cezairlioğlu
The aim of the present study was to evaluate dry eye parameters with conventional tests and tear meniscus with Anterior Segment Optical Coherence Tomography (AS-OCT) in patients with end-stage renal disease (ESRD). Thirty-eight ESRD patients undergoing hemodialysis, and 40 healthy individuals were enrolled. An ocular surface disease index questionnaire (OSDI) was administered. Before conventional dry eye tests, tear meniscus were evaluated using AS-OCT. After a complete ocular examination, Schirmer and break-up time (BUT) tests were performed and probable corneal staining was investigated...
December 4, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29202765/a-novel-technique-for-modified-all-inside-repair-of-bucket-handle-meniscus-tears-using-standard-arthroscopic-portals
#15
Jing Hui Yik, Bryan Thean Howe Koh, Wilson Wang
BACKGROUND: Bucket-handle meniscus tears (BHMT) are often displaced and unstable. The inside-out technique of repairing such tears is currently the gold standard. All-inside repair with meniscal fixators is getting increasingly popular. Shortcomings of the inside-out technique include neurovascular complications, especially saphenous nerve palsy, and retention of a non-resorbable suture which can result in discomfort to patient, granuloma formation, and a foci of infection. Hence, the purpose of this project was to innovate a novel all-inside technique to precisely reduce and fix BHMT while avoiding neurovascular complications and retention of a non-resorbable suture...
December 4, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29202561/meniscal-extrusion-as-booster-of-osteoarthritis
#16
R Papalia, G Papalia, F Russo, L A Diaz, F Bressi, S Sterzi, V Denaro
Meniscal extrusion (ME) has shown to play a critical but still unclear role in osteoarthritis (OA) development. ME has been described as an important risk factor in the progression of knee OA, as it is involved in the thinning of articular cartilage, joint space narrowing, spontaneous osteonecrosis of the knee and subchondral bone marrow lesions. Meniscal damage of any degree of severity could cause ME in both compartments, but it is commonly associated with severe meniscal tears or root tears mainly in the medial meniscus...
December 4, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29198047/medial-meniscus-grafting-restores-normal-tibiofemoral-contact-pressures
#17
John Nyland, Kirk Campbell, Alaa Kalloub, Eric J Strauss, Katrina Kuban, David N M Caborn
BACKGROUND: Tissue excision in the setting of a meniscal tear has been shown to dramatically increase peak contact stresses in the affected tibiofemoral joint compartment, leading to the development of degenerative changes and osteoarthritis. PURPOSE/HYPOTHESIS: The current in vitro study utilized a porcine model to evaluate the effectiveness of segmental medial meniscal grafting following partial meniscectomy. The study hypothesis was that the procedure would normalize medial tibofemoral joint compartment pressure magnitudes, areas, and locations relative to an intact meniscus...
December 2, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29192542/the-effects-of-a-simulated-occupational-kneeling-exposure-on-squat-mechanics-and-knee-joint-load-during-gait
#18
Liana Michele Tennant, Helen Christina Chong, Stacey Marie Acker
Occupational kneeling is associated with an increased risk for tibiofemoral knee osteoarthritis. Forces on the knee in the kneeling posture, as well as the greater incidence of meniscus tears among workers likely contribute to the increased risk. We hypothesize that an additional mechanism may contribute - altered neuromuscular control due to prolonged high knee flexion. Forty participants (20 male, 20 female) completed an evaluation of gait and squatting before, immediately following, and 30 minutes following a 30-minute simulated occupational kneeling exposure...
December 1, 2017: Ergonomics
https://www.readbyqxmd.com/read/29189618/bilateral-patellar-tendon-rupture
#19
Mary Kamienski
The knee is the most complex and largest joint in the body. Injuries to any part of this joint affect the entire body. There are multiple injuries that can occur to the knee, with the most common being ligament and meniscus tears. A not-so-common injury to the knee is a patellar tendon rupture. A bilateral patellar tendon rupture is extremely rare. A case study of a 43-year-old man who sustained a bilateral patellar tendon rupture while playing softball is used to present this devastating injury. This discussion includes the incidence and diagnosis of the tear, surgical repair, as well as a description of the comprehensive rehabilitation process necessary to allow the patient to return to normal physical activity...
November 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/29189474/pediatric-acl-reconstruction-and-return-to-the-operating-room-revision-is-less-than-half-of-the-story
#20
Christopher J DeFrancesco, Eileen P Storey, John M Flynn, Theodore J Ganley
BACKGROUND: Although there are several causes of unplanned return to the operating room (RTOR) following pediatric anterior cruciate ligament (ACL) reconstruction (ACLR), prior outcomes studies focus primarily on the risk of graft failure. We sought to comprehensively describe indications for RTOR in pediatric primary ACLR patients, estimate associated rates of RTOR, and assess the impact of concomitant meniscal procedures on these rates. METHODS: This retrospective cohort study considered patients who underwent primary ACLR at an urban, pediatric tertiary care hospital between 2013 and 2015...
November 20, 2017: Journal of Pediatric Orthopedics
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