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Tear meniscus

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https://www.readbyqxmd.com/read/28930832/early-central-and-peripheral-corneal-microstructural-changes-in-type-2-diabetes-mellitus-patients-identified-using-in-vivo-confocal-microscopy-a-case-control-study
#1
Jing-Hao Qu, Lei Tian, Xiao-Yu Zhang, Xu-Guang Sun
The aim of this study was to find early central and peripheral corneal microstructural changes in healthy subjects and type 2 diabetes mellitus (T2DM) patients with/without cornea fluorescein dot staining.This is a prospective case-control study of T2DM patients with/without cornea fluorescein dot staining. Age, sex, duration of diabetes, and serum glycosylated hemoglobin A1c (HbA1c) levels were recorded. Keratograph 5 M (K5 M) and in vivo confocal microscopy were performed on all subjects. The cornea was divided into 5 zones: central, superior, temporal, nasal, and inferior...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28919183/impact-of-oral-vitamin-d-supplementation-on-the-ocular-surface-in-people-with-dry-eye-and-or-low-serum-vitamin-d
#2
Chih-Huang Yang, Julie Albietz, Damien G Harkin, Michael G Kimlin, Katrina L Schmid
PURPOSE: To determine the possible association between serum vitamin D levels and dry eye symptoms, and the impact of an oral vitamin D supplement. METHODS: Three linked studies were performed. (i) 29 older adult participants, (ii) 29 dry eyed participants, and (iii) 2-month vitamin D supplementation for 32 dry eyed/low serum vitamin D levelled participants. All participants were assessed by the Ocular Surface Diseases Index (OSDI) to determine dry eye symptoms, and the phenol red thread test (PRT) and/or Schirmer's tear test, tear meniscus height, non-invasive tear break up time, grading ocular surface redness and fluorescein staining of the cornea to detect the tear quality and ocular surface conditions...
September 11, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28910571/factors-that-influence-tear-meniscus-area-and-conjunctivochalasis-the-singapore-indian-eye-study
#3
Stanley Poh, Ryan Lee, Jennifer Gao, Carin Tan, Preeti Gupta, Charumathi Sabanayagam, Ching-Yu Cheng, Tien-Yin Wong, Louis Tong
PURPOSE: Assessment of tear film and conjunctiva is critical to define presence and severity of ocular surface disease. We aimed to characterize tear meniscus area (TMA) and conjunctivochalasis by anterior segment optical coherence tomography (ASOCT) in population-based patients and identify potential factors associated with low TMA and severe conjunctivochalasis. METHODS: Study subjects were enrolled from The Singapore Indian Eye Study, a population-based study of Asian Indian in Singapore...
September 14, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28903016/arthroscopic-meniscectomy-for-degenerative-meniscal-tears-reduces-knee-pain-but-is-not-cost-effective-in-a-routine-health-care-setting-a-multi-center-longitudinal-observational-study-using-data-from-the-osteoarthritis-initiative
#4
Jan J Rongen, Tim M Govers, Pieter Buma, Maroeska M Rovers, Gerjon Hannink
OBJECTIVES: It is disputed whether arthroscopic meniscectomy is an (cost-) effective treatment for degenerative meniscus tears in day-to-day clinical practice. The objective of this study was to assess the cost-effectiveness of arthroscopic meniscectomy in subjects with knee osteoarthritis, in routine clinical practice, while taking into account the increased risk for future knee replacement surgery. We compared cost-effectiveness of arthroscopic meniscectomy compared to no surgery. DESIGN: - We used a state transition (Markov) simulation model to evaluate the cost-effectiveness of arthroscopic meniscectomy compared to no surgery in subjects with knee osteoarthritis (age range 45- 79 years)...
September 10, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28902600/contact-analysis-of-horizontal-cleavage-tear-treatment
#5
Carlos Uquillas, Sally Arno, Austin Ramme, Cheongeun Oh, Peter Walker, Robert Meislin
Horizontal cleavage tears (HCT) commonly occur in the posterior horn of the medial meniscus due to aging and degeneration. The purpose of this study was to investigate the surgical treatment of HCTs and their effect on dynamic tibiofemoral contact mechanics. The tibiofemoral contact mechanics of 10 cadaver knees were investigated using a custom dynamic loading apparatus, pressure sensor, and motion sensing camera. Three loading conditions were analyzed: 500 N compressive load, 500 N compressive load with 100 N posterior shear, and 500 N compressive load with 2...
May 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28894908/discoid-lateral-meniscus-can-be-overlooked-by-magnetic-resonance-imaging-in-patients-with-meniscal-tears
#6
Dong-Wook Sohn, Seong-Il Bin, Jong-Min Kim, Bum-Sik Lee, Seon-Jeong Kim
PURPOSE: MRI evaluation of torn lateral meniscus was compared with arthroscopy. This study calculates the sensitivity, specificity, and accuracy of MRI in determining the presence or absence of discoid lateral meniscus (DLM) for different tear types. METHODS: MR imaging of 156 knees with arthroscopically confirmed lateral meniscus tears was analysed. There were 78 knees (70 patients) in non-DLM group and 78 knees (74 patients) in DLM group on arthroscopy as the reference standard...
September 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28894756/relationships-between-tibiofemoral-contact-forces-and-cartilage-morphology-at-2-to-3-years-after-single-bundle-hamstring-anterior-cruciate-ligament-reconstruction-and-in-healthy-knees
#7
David John Saxby, Adam L Bryant, Xinyang Wang, Luca Modenese, Pauline Gerus, Jason M Konrath, Kim L Bennell, Karine Fortin, Tim Wrigley, Flavia M Cicuttini, Christopher J Vertullo, Julian A Feller, Tim Whitehead, Price Gallie, David G Lloyd
BACKGROUND: Prevention of knee osteoarthritis (OA) following anterior cruciate ligament (ACL) rupture and reconstruction is vital. Risk of postreconstruction knee OA is markedly increased by concurrent meniscal injury. It is unclear whether reconstruction results in normal relationships between tibiofemoral contact forces and cartilage morphology and whether meniscal injury modulates these relationships. HYPOTHESES: Since patients with isolated reconstructions (ie, without meniscal injury) are at lower risk for knee OA, we predicted that relationships between tibiofemoral contact forces and cartilage morphology would be similar to those of normal, healthy knees 2 to 3 years postreconstruction...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28886203/a-novel-method-for-repeatable-failure-testing-of-annulus-fibrosus
#8
Benjamin Werbner, Minhao Zhou, Grace O'Connell
Tears in the annulus fibrosus (AF) of the intervertebral disc can result in herniation of the nucleus pulposus and progressive disc degeneration. Understanding AF failure mechanics is particularly important as research moves towards developing biological repair strategies for herniated discs. Unfortunately, failure mechanics of fiber-reinforced tissues, particularly those with fibers oriented off-axis from the applied load, is not well understood. Therefore, the objective of this study was to investigate the effectiveness of mid-length notch geometries in producing repeatable and consistent tissue failure within the gauge region of AF mechanical test specimens...
September 8, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28885362/the-protective-efficacy-and-safety-of-bandage-contact-lenses-in-children-aged-5-to-11-after-frontalis-muscle-flap-suspension-for-congenital-blepharoptosis-a-single-center-randomized-controlled-trial
#9
RANDOMIZED CONTROLLED TRIAL
Lin Chen, Lianhong Pi, Ning Ke, Xinke Chen, Qing Liu
BACKGROUND: Postoperative complications, lagophthalmos and exposure keratopathy sometimes occur after surgery for congenital blepharoptosis. Bandage contact lenses (BCL) can help prevent some ocular surface disorders. The study aims to evaluate the efficacy and safety of BCL for protection of the ocular surface in children aged 5 to 11 years after frontalis muscle flap suspension for congenital blepharoptosis. METHODS: We conducted a prospective randomized clinical study of 30 eyes of 30 patients with congenital blepharoptosis consecutively enrolled at the Ophthalmology Ward of the Children's Hospital of Chongqing Medical University, China from September 1, 2016, to February 30, 2017...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28873348/management-of-traumatic-meniscal-tear-and-degenerative-meniscal-lesions-save-the-meniscus
#10
REVIEW
P Beaufils, N Pujol
Meniscectomy remains one of the most frequent orthopedic procedures, despite meniscal sparing having been advocated for several decades now. Incidence is excessive in the light of scientifically robust studies demonstrating the interest of meniscal repair or of non-operative treatment for traumatic tear and of non-operative treatment for degenerative meniscal lesions. It is high time that the paradigm shifted, in favor of meniscal preservation. In traumatic tear, and most particularly longitudinal vertical tear in vascularized zones, repair shows a high success rates in terms of recovery time, functional outcome and cartilage protection...
September 2, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28865577/saucerization-versus-complete-resection-of-a-symptomatic-discoid-lateral-meniscus-at-short-and-long-term-follow-up-a-systematic-review
#11
REVIEW
Dallas M Smuin, Richard D Swenson, Aman Dhawan
PURPOSE: To evaluate the surgical outcomes of symptomatic discoid menisci after total meniscectomy, saucerization, and suture repair of tears of a discoid meniscus at short- and long-term follow-up. METHODS: A systematic review was conducted using the Pubmed and ScienceDirect databases in adherence with Preferred Reporting Items of Systematic Reviews and Meta-Analysis guidelines. Short- and long-term follow-up were defined as an average follow-up of <4 years and >4 years, respectively...
September 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28854771/discoid-medial-meniscus-tear-with-a-literature-review-of-treatments
#12
In Soo Song, Jun Bum Kim, Jong Keun Lee, Byeong-Seop Park
The present study reports our experience of treating four cases of symptomatic discoid medial meniscus, three of which were bilateral. We performed partial meniscectomy with a four-portal technique using a knife leaving a 6 mm peripheral margin after confirmation of magnetic resonance imaging findings. Clinical results were assessed at the end of 2-year follow-up using the Knee Injury and Osteoarthritis Outcome Score and a visual analogue scale. We obtained satisfactory clinical results without recurrence of the symptoms in all cases...
September 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28852795/-meniscal-lesion-pre-osteoarthrotic-condition-of-the-knee-joint
#13
REVIEW
L Goebel, J Reinhard, H Madry
BACKGROUND: A close relationship between meniscal damage and articular cartilage exist. Likewise, (partial) meniscectomy may lead to the development of osteoarthritis (OA). OBJECTIVES: With a special emphasis on therapeutic consequences for orthopaedic surgeons, the structural and functional relationship between meniscal tears/extrusion and cartilage loss, and/or the effect of meniscectomy or meniscal repair on the development of OA, are emphasized. MATERIALS AND METHODS: A selective literature review with implementation of own research findings...
August 29, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28852346/medial-meniscus-root-tear-in-the-middle-aged-patient-a-case-based-review
#14
Joseph H Carreau, Sean E Sitton, Matthew Bollier
Biomechanical studies have shown that medial meniscal root tears result in meniscal extrusion and increased tibiofemoral joint contact pressures, which can accelerate the progression of arthritis. Repair is generally recommended for acute injuries in the young, active patient population. The far more common presentation however, is a subacute root tear with medial meniscal extrusion in a middle aged patient. Coexisting arthritis is common in this population and complicates decision making. Treatment should be based on the severity of the underlying arthritis...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28852341/age-differences-in-the-prevalence-of-isolated-medial-and-lateral-meniscal-tears-in-surgically-treated-patients
#15
T J Ridley, Mark A McCarthy, Matthew J Bollier, Brian R Wolf, Annunziato Amendola
PURPOSE: To compare the prevalence of isolated lateral and medial meniscal tears in different aged populations. METHODS: A five-year retrospective review for meniscal procedures performed on a total of 782 patients. Each chart was reviewed to document the prevalence of medial or lateral meniscal injuries. Inclusion criteria were patients found to have documented evidence of meniscal tear, either lateral or medial, without any concomitant injuries and/or any other procedures performed...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28846481/effectiveness-of-combined-tear-film-therapy-in-patients-with-evaporative-dry-eye-with-short-tear-film-breakup-time
#16
Yung Hui Kim, Yeon Soo Kang, Hyo Seok Lee, Won Choi, In Cheon You, Kyung Chul Yoon
PURPOSE: The aim of this study was to evaluate the effectiveness of combined tear film therapy targeted to aqueous, mucin, and lipid layers in patients with refractory evaporative dry eye (EDE) with short tear film breakup time (TBUT). METHODS: The patients who had EDE with short TBUT and severe symptoms refractory to artificial tears were treated with hyaluronic acid (HA) 0.15% and diquafosol tetrasodium (DQS) 3% (Group 1), HA and carbomer-based lipid-containing eyedrops (Liposic EDO Gel, LPO) (Group 2), or HA, DQS, and LPO (Group 3)...
August 28, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28828058/arthroscopic-knee-anatomy-in-young-achondroplasia-patients
#17
M Del Pilar Duque Orozco, N C Record, K J Rogers, M B Bober, W G Mackenzie, A Atanda
PURPOSE: Achondroplasia is the most common form of skeletal dysplasia, affecting more than 250 000 individuals worldwide. In these patients, the developing knee undergoes multiple anatomical changes. The purpose of this study was to characterise the intra-articular knee anatomy in children with achondroplasia who underwent knee arthroscopy. METHODS: Records of achondroplasia patients who underwent knee arthroscopy between 2009 and 2014 were reviewed. Demographic data, operative reports, follow-up notes, MRI and arthroscopy images were reviewed...
June 1, 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28816515/how-should-we-secure-our-transplanted-meniscus-a-meta-analysis
#18
Julio J Jauregui, Zhan Dong Wu, Sean Meredith, Cullen Griffith, Jonathan D Packer, R Frank Henn
BACKGROUND: Meniscal allograft transplant (MAT) is a salvage procedure for young patients with symptomatic meniscal deficiency. Although many studies report good outcomes, MAT remains controversial, and an optimal fixation technique for the meniscus roots is debated. PURPOSE: To assess the overall outcome of MAT and compare the results of different meniscal root fixation techniques. STUDY DESIGN: Meta-analysis. METHODS: Following specific guidelines, we systematically evaluated all current literature for studies reporting on the outcomes of patients who underwent MAT...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28815275/similar-failure-rate-in-immediate-post-operative-weight-bearing-versus-protected-weight-bearing-following-meniscal-repair-on-peripheral-vertical-meniscal-tears
#19
Bryan Perkins, Kyle R Gronbeck, Ruixian Alexander Yue, Marc A Tompkins
PURPOSE AND HYPOTHESIS: Post-operative weight bearing after meniscal repair is a point of debate among physicians. This study sought to evaluate whether patients adhering to an immediate WBAT rehabilitation programme have a higher failure rate compared to those adhering to a more traditional, protected, NWB status following meniscal repair. The null hypothesis was that there would be no difference in failure between the two groups. METHODS: A retrospective review of meniscal repair patients greater than 5 years from surgery was performed for patients receiving meniscal repair treatment...
August 16, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28812034/the-influence-of-medical-insurance-on-patient-access-to-orthopaedic-surgery-sports-medicine-appointments-under-the-affordable-care-act
#20
Daniel H Wiznia, Emmanuel Nwachuku, Alexander Roth, Chang-Yeon Kim, Ameya Save, Nidharshan S Anandasivam, Michael Medvecky, Richard Pelker
BACKGROUND: The goal of the Patient Protection and Affordable Care Act (PPACA) was to expand patient access to health care. Since the rollout of the PPACA, Medicaid patients have demonstrated difficulty obtaining appointments in some specialty care settings. PURPOSE: To assess the effect of insurance type (Medicaid and private) on patient access to orthopaedic surgery sports medicine specialists for a semiurgent evaluation of a likely operative bucket-handle meniscus tear...
July 2017: Orthopaedic Journal of Sports Medicine
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