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Posterior capsule block

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https://www.readbyqxmd.com/read/29808972/anesthesia-and-analgesia-for-total-knee-arthroplasty-a-narrative-review
#1
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/29797704/the-analgesic-effect-of-a-popliteal-plexus-blockade-after-total-knee-arthroplasty-a-feasibility-study
#2
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/29791425/-endoscopic-submucosal-dissection-of-a-transpyloric-early-gastric-c%C3%A3-ncer-a-case-report-and-literature-review
#3
Juan Antonio Chirinos Vega, César García Delgado, Alfonso Delgado Vergara
The endoscopic sumucosal disection (ESD) is an advanced endoscopic technique that achieves the curative resection of superficial neoplasms of the gastrointestinal tract, getting block exeresis with margins free of neoplasia avoiding surgery. However, tumors located in the esophagogastric junction, or pylorus, are technically more complex to resect by ESD. When a neoplasm settles in the pylorus, the anatomical characteristics of this region can affect the adequate assessment of the margins and the performance of the procedure...
January 2018: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/29725265/ctgf-contributes-to-the-development-of-posterior-capsule-opacification-an-in-vitro-and-in-vivo-study
#4
Bo Ma, Ruihua Jing, Jie Liu, Lan Yang, Jingming Li, Li Qin, Lijun Cui, Cheng Pei
Connective tissue growth factor (CTGF) is a crucial factor that plays a major role in the process of posterior capsule opacification (PCO). However, the effects of CTGF on the proliferation and migration of lens epithelial cells (LECs) and on the mechanism of the epithelial mesenchymal transition (EMT) and extracellular matrix (ECM) in human lens epithelial cells (HLECs) as well as the effects of shRNA-mediated CTGF knockdown on the development of PCO in rats remain unclear. In the present study, we found that CTGF promoted EMT, proliferation, migration and the expression of p-ERK1/2 protein in HLECs but exerted little effect on the expression of p-p38 and p-JNK1/2 proteins...
2018: International Journal of Biological Sciences
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
#5
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
https://www.readbyqxmd.com/read/29468508/ultrasound-guided-bilateral-superficial-cervical-block-and-preemptive-single-dose-oral-tizanidine-for-post-thyroidectomy-pain-a-randomized-controlled-double-blind-study
#6
Ali Ahiskalioglu, Ahmet Murat Yayik, Elif Oral Ahiskalioglu, Aysenur Dostbil, Omer Doymus, Erdem Karadeniz, Muhammet Ali Ari, Furkan Sengoz, Haci Ahmet Alici, Erkan Cem Celik
PURPOSES: The postoperative analgesic effect of tizanidine has not yet been evaluated sufficiently. The role of bilateral superficial cervical plexus block (BSCPB) for postoperative analgesia after thyroidectomy remains questionable. We aimed to evaluate the analgesic effect of combined use of BSCPB and a single-dose oral tizanidine in patients undergoing elective thyroid surgery. METHODS: Sixty patients undergoing thyroidectomy were randomized into 3 groups. The control group (Group C, n = 20) received BSCPB with 0...
April 2018: Journal of Anesthesia
https://www.readbyqxmd.com/read/29339915/minimal-water-jet-hydrodissection
#7
Ahmet Taş
This paper presents a hydrodissection technique performed with high-speed pulse injection of only 0.1 cc liquid and assess its efficacy, safety, and the level of reduction in posterior capsule rupture complications in phacoemulsification cataract surgery. The kinetic energy of moving objects is directly proportional to the mass and to the square of its velocity. The high energy obtained by high-speed pulse injection of a small amount of liquid ensures highly effective dissection. Since the amount of liquid is very small, the increase in intraocular pressure and the risk of rupture in the posterior capsule due to anterior capsular block are greatly reduced...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28888526/posterior-shoulder-instability-managed-by-arthroscopic-acromial-pediculated-bone-block-technique
#8
P Métais, J Grimberg, P Clavert, J-F Kouvalchouk, F Sirveaux, G Nourissat, J Garret, P Mansat, A Godenèche
In posterior shoulder instability (recurrent dislocation, involuntary posterior subluxation or voluntary subluxation that has become involuntary), surgery may be considered in case of failure of functional treatment if there are no psychological contraindications. Acromial bone-block with pediculated deltoid flap, as described by Kouvalchouk, is an alternative to iliac bone-block, enabling triple shoulder locking by the blocking effect, the retention hammock provided by the deltoid flap and posterior capsule repair...
September 6, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28765922/electric-field-exposure-promotes-epithelial%C3%A2-mesenchymal-transition-in-human-lens-epithelial-cells-via-integrin-%C3%AE-1%C3%A2-fak-signaling
#9
Jun Liu, Xiao-Long Yan, Xiao-Liang Zheng, Lin Mei, Song Wang, Jing Han, Hong Yan
Electric field (EF) exposure can affect the elongation, migration, orientation, and division of cells. The present study tested the hypothesis that EF may also affect epithelial‑mesenchymal transition (EMT) in lens epithelial cells and that this effect may be an important inducer in the pathological process of posterior capsule opacification (PCO). Human lens epithelial (HLE)‑B3 cells were exposed to an EF. Experiments were performed in the presence or absence of an anti‑integrin β1 blocking antibody or a small molecule inhibitor targeting focal adhesion kinase (FAK)...
October 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28714205/photothermal-ring-integrated-intraocular-lens-for-high-efficient-eye-disease-treatment
#10
Yao-Xin Lin, Xue-Feng Hu, Yang Zhao, Yu-Juan Gao, Chao Yang, Sheng-Lin Qiao, Yi Wang, Pei-Pei Yang, Jiao Yan, Xin-Ce Sui, Zeng-Ying Qiao, Li-Li Li, Jiang-Bing Xie, Si-Quan Zhu, Xiao-Chun Wu, Yongsheng Li, Lei Wang, Hao Wang
Posterior capsule opacification (PCO) is the most common complication after cataract surgery. So far, the only method for PCO treatment is the precisely focused laser surgery. However, it causes severe complications such as physical damages and neuron impairments. Here, a nanostructured photothermal ring integrated intraocular lens (Nano-IOLs) is reported, in which the rim of commercially available IOLs (C-IOLs) is decorated with silica coated Au nanorods (Au@SiO2 ), for high-efficient prevention of PCO after cataract surgery...
September 2017: Advanced Materials
https://www.readbyqxmd.com/read/28629694/interleukin-6-participation-in-pathology-of-ocular-diseases
#11
REVIEW
Forouhe Zahir-Jouzdani, Fatemeh Atyabi, Nazanin Mojtabavi
Interleukin-6 (IL-6) is a multifunctional cytokine that affects a variety of cells in the body such as osteoclasts, hepatocytes, endothelial cells, epithelial cells, white and red blood cells and etc. Elevated levels of IL-6 have been detected in many ocular diseases. Studies show that IL-6 has a major role in the pathology of glaucoma, CRVO, macular edema, ocular neovascularization, posterior capsule opacity formation, keratitis, dry eye disease, allergic eye disease, ocular autoimmune disease, corneal chemical burn, ocular inflammation and so on...
September 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28209733/dual-function-of-tgf%C3%AE-in-lens-epithelial-cell-fate-implications-for-secondary-cataract
#12
Bruce A Boswell, Anna Korol, Judith A West-Mays, Linda S Musil
The most common vision-disrupting complication of cataract surgery is posterior capsule opacification (PCO; secondary cataract). PCO is caused by residual lens cells undergoing one of two very different cell fates: either transdifferentiating into myofibroblasts or maturing into lens fiber cells. Although TGFβ has been strongly implicated in lens cell fibrosis, the factors responsible for the latter process have not been identified. We show here for the first time that TGFβ can induce purified primary lens epithelial cells within the same culture to undergo differentiation into either lens fiber cells or myofibroblasts...
April 1, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/27911920/sirna-targeting-mtor-effectively-prevents-the-proliferation-and-migration-of-human-lens-epithelial-cells
#13
Chunmei Zhang, Jingjing Liu, Na Jin, Guiming Zhang, Yahui Xi, Hongling Liu
Posterior capsule opacification (PCO) is the most common complication that causes visual decrease after extracapsular cataract surgery. The primary cause of PCO formation is the proliferation of the residual lens epithelial cells (LECs). The mammalian target of rapamycin (mTOR) plays an important role in the growth and migration of LECs. In the current study, we used small interfering RNA (siRNA) to specifically attenuate mTOR in human lens epithelial B3 cells (HLE B3). We aimed to examine the effect of mTOR-siRNA on the proliferation, migration and epithelial-to-mesenchymal transition (EMT) of HLE B3 cells and explore the underlying mechanisms...
2016: PloS One
https://www.readbyqxmd.com/read/27357960/-open-wedge-osteotomy-of-the-glenoid-for-treatment-of-posterior-shoulder-instability-with-increased-glenoid-retroversion
#14
J Pogorzelski, S Braun, A B Imhoff, K Beitzel
OBJECTIVE: Treatment of posterior shoulder instability with increased retroversion of the glenoid using open-wedge osteotomy of the glenoid neck stabilized with an autologous bone block. INDICATIONS: Symptomatic, atraumatic posterior shoulder instability with increased retroversion (>20°) of the glenoid and previously failed conservative or surgical treatment. CONTRAINDICATIONS: General contraindications against surgery. Relative contraindications: osteoporosis, nicotine abuse, or suspected patient noncompliance...
December 2016: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/27316947/pseudophakic-angle-closure-from-a-soemmering-ring
#15
Yanin Suwan, Bayasgalan Purevdorj, Chaiwat Teekhasaenee, Wasu Supakontanasan, Pornchai Simaroj
BACKGROUND: Report of three patients with pseudophakic angle-closure from a Soemmering ring. Three mechanisms of the Soemmering ring induced pseudophakic angle-closure in three patients were demonstrated by meticulous anterior segment examination and ultrasound biomicroscopic (UBM) analysis. CASE PRESENTATION: In the first case, the Soemmering-capsule-IOL complex caused relative pupillary block similar to a phakic eye and was successfully treated with laser iridotomy alone...
June 17, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27165960/does-contralesional-hand-function-after-neonatal-stroke-only-depend-on-lesion-characteristics
#16
Mickael Dinomais, Lucie Hertz-Pannier, Samuel Groeschel, Matthieu Delion, Béatrice Husson, Manoelle Kossorotoff, Cyrille Renaud, Stéphane Chabrier, Sylvie Nguyen The Tich
BACKGROUND AND PURPOSE: In children having suffered from neonatal arterial ischemic stroke, the relationship between contralesional hand performance and structural changes in brain areas remote from the infarct site was examined. METHODS: Using voxel-based morphometry, we correlated contralesional gross manual dexterity assessed by the box and block test and whole-brain gray and white-matter volume changes on high-resolution magnetic resonance imaging in 37 7-year-old post-neonatal arterial ischemic stroke children...
June 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27026459/structure-of-the-entire-capsular-bag-containing-an-endocapsular-equator-ring-and-intraocular-lens
#17
Takeshi Hara, Tsutomu Hara, Kotaro Sakanishi, Takako Hashimoto, Yuta Motoyama
UNLABELLED: We report in vivo observation of a capsular bag containing an endocapsular equator ring and intraocular lens that was explanted 5 years after the initial surgery. The capsule equator remained completely circular. The inside of the capsular bag retained the open space, and the endocapsular equator ring blocked proliferative tissue under the anterior capsule at the equator and prevented posterior capsule opacification. FINANCIAL DISCLOSURE: No author has a financial or proprietary interest in any material or method mentioned...
February 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27015545/the-nerves-of-the-adductor-canal-and-the-innervation-of-the-knee-an-anatomic-study
#18
David Burckett-St Laurant, Philip Peng, Laura Girón Arango, Ahtsham U Niazi, Vincent W S Chan, Anne Agur, Anahi Perlas
BACKGROUND AND OBJECTIVES: Adductor canal block contributes to analgesia after total knee arthroplasty. However, controversy exists regarding the target nerves and the ideal site of local anesthetic administration. The aim of this cadaveric study was to identify the trajectory of all nerves that course in the adductor canal from their origin to their termination and describe their relative contributions to the innervation of the knee joint. METHODS: After research ethics board approval, 20 cadaveric lower limbs were examined using standard dissection technique...
May 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/26903727/a-rare-case-of-delayed-onset-capsular-block-syndrome-managed-using-25-gauge-vitrector
#19
Usha Kaul Raina, Gauri Bhushan, Supriya Arora, Neha Rathie
We report a case of delayed onset capsular block syndrome in a patient 6 years after undergoing cataract surgery. Ocular examination revealed marked diminution of vision accompanied with a collection of milky fluid between the intraocular lens and posterior capsule. To treat and to understand the pathology of the condition, aspiration of fluid using 25-gauge vitrector through pars plana was done, and contents sent for microbiological analysis which did not reveal any growth. Postoperative period was uneventful with the absence of intraocular inflammation and excellent visual recovery...
September 2015: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/26523704/arthroscopic-treatment-of-traumatic-hip-dislocations-in-children-and-adolescents-a-preliminary-study
#20
Andrew C Morris, Jonathan C Yu, Shawn R Gilbert
INTRODUCTION: Traumatic hip dislocations in children and adolescents require prompt concentric reduction. Incomplete reduction with or without retained osteochondral fragments has traditionally been addressed with open reduction. We report on the use of arthroscopy to remove loose bodies and reduce enfolded soft tissues to obtain concentric reduction in the pediatric and adolescent population. Specific note is made of underlying pathology and arthroscopic intervention. METHODS: After obtaining Institutional Review Board approval, we performed a retrospective review of patients under the age of 19 who were treated with hip arthroscopy following hip dislocation reduction at a single children's hospital from 2006 to 2013...
October 2017: Journal of Pediatric Orthopedics
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