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https://www.readbyqxmd.com/read/28644188/surgical-techniques-for-total-knee-arthroplasty-measured-resection-gap-balancing-and-hybrid
#1
Neil P Sheth, Adeel Husain, Charles Lenwood Nelson
Total knee arthroplasty (TKA) is effective in managing end-stage degenerative joint disease. Achieving favorable clinical outcomes is predicated on proper implant alignment, sizing, and rotation as well as adequate soft-tissue balancing. Modern TKA implants are designed to address the fundamental needs of attaining stability in both flexion and extension and of optimizing patellar tracking. Measured resection and gap balancing are the two different techniques used to implant the TKA components used today. Both techniques have been validated as durable and successful, and each has unique advantages and disadvantages...
July 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28644076/a-novel-surgical-approach-to-avian-femorotibiotarsal-luxation-repair
#2
Anna E McRee, Thomas N Tully, Javier G Nevarez, Julia Sumner, Anderson Favero da Cunha
A 3-month-old male umbrella cockatoo (Cacatua alba) was presented because of acute non-weight-bearing lameness of the right leg. Marked soft tissue swelling was present around the femorotibiotarsal (stifle) joint, and the radiographic diagnosis was right medial femorotibiotarsal subluxation. Surgical management was elected, and the stifle joint was approached via a lateral parapatellar incision. Joint exploration revealed damage to the lateral meniscus, tendon of origin of the cranial tibial muscle, and cranial cruciate ligament...
June 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28643824/-perioral-treatment-options-in-cosmetic-facial-surgery
#3
F Bierenbroodspot, H J Schouten, R H Schepers, J Jansma
The perioral region is unique and important in the face, both from a functional and an aesthetic point of view. There is a strong relationship between the perioral soft tissues, such as the lips and the corners of the mouth, and the underlying dentition and the jaws. Perioral ageing phenomena, such as depressed corners of the mouth, volume loss and wrinkles, can be improved, however, to a limited extent with intraoral treatment. These ageing phenomena can usually be treated more effectively with several extraoral treatment modalities that also enhance perioral aesthetics...
June 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/28643747/leiomyosarcoma-of-scrotum-a-rare-in-field-second-malignancy-in-a-previously-irradiated-carcinoma-of-prostate-and-review-of-literature
#4
Chelakkot G Prameela, Rahul Ravind
BACKGROUND: Curative intent treatments for malignancies using radiation therapy while achieving longer disease-free survivals, may also lead to solid second malignancies, a dreaded late complication. Both in-field as well as out-field second malignancies are encountered and lead to diagnostic dilemma, and delay in treatment. MATERIALS AND METHODS: Details of a case of rare, in-field, radiation induced leiomyosarcoma, a rare soft tissue sarcoma, in a treated case of high risk carcinoma of prostate, who presented to our tertiary care centre was retrieved and analysed...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643081/distraction-osteogenesis-reconstruction-of-large-segmental-bone-defects-after-primary-tumor-resection-pitfalls-and-benefits
#5
REVIEW
Jan Lesensky, Daniel E Prince
Successful cure is achieved in almost 70% of patients with primary bone sarcomas with currently available therapies. Some soft tissue sarcomas require wide bone resection in order to achieve appropriate margins for cure of disease, and patients undergoing these procedures need durable reconstruction. Biological reconstruction has been shown to provide patients with superior long-term results over other alternatives. Distraction osteogenesis is well studied in the correction of deformities as well as in addressing some congenital musculoskeletal pathologies...
June 22, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28642756/high-prevalence-of-macrolide-resistance-and-molecular-characterization-of-streptococcus-pyogenes-isolates-circulating-in-china-from-2009-to-2016
#6
Binghuai Lu, Yujie Fang, Yanyan Fan, Xingchun Chen, Junrui Wang, Ji Zeng, Yi Li, Zhijun Zhang, Lei Huang, Hongxia Li, Dong Li, Fengxia Zhu, Yanchao Cui, Duochun Wang
Streptococcus pyogenes, or group A Streptococcus, is a pathogen responsible for a wide range of clinical manifestations, from mild skin and soft tissue infections and pharyngitis to severe diseases. Its epidemiological characteristics should be comprehensively under surveillance for regulating the national prevention and treatment practice. Herein, a total of 140 S. pyogenes, including 38 invasive and 102 noninvasive isolates, were collected from infected patients in 10 tertiary general hospitals from 7 cities/provinces in China during the years 2009-2016...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28641360/-strategies-on-the-treatment-of-nerve-injuries-accompanied-by-severe-soft-tissue-damage-consensus-statement-of-the-german-speaking-society-for-microsurgery-of-peripheral-nerves-and-vessels
#7
Leila Harhaus, Christoph Hirche, Riccardo E Giunta, Oskar Aszmann, Frank Siemers, U Kneser, Marcus Lehnhardt
Nerve injuries with severe soft tissue damage are rare and demand a complex and individualized treatment approach, in order to limit medical and socioeconomic consequences. Since uniform systematic evidence so far is lacking, inconsistent therapy standards are implemented depending on individual experiences and background of respective microsurgeons.In order to provide best conditions for further healing, basic expert consensus statements were developed in a workshop on the 38th Annual Meeting of the German-speaking Community for Microsurgery of the Peripheral Nerves and Vessels (DAM)...
June 22, 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28639403/writing-with-fluid-structuring-hydrogels-with-micrometer-precision-by-afm-in-combination-with-nanofluidics
#8
Nicolas Helfricht, Andreas Mark, Marina Behr, Andreas Bernet, Hans-Werner Schmidt, Georg Papastavrou
Hydrogels have many applications in biomedical surface modification and tissue engineering. However, the structuring of hydrogels after their formation represents still a major challenge, in particular due to their softness. Here, a novel approach is presented that is based on the combination of atomic force microscopy (AFM) and nanofluidics, also referred to as FluidFM technology. Its applicability is demonstrated for supramolecular hydrogel films that are prepared from low-molecular weight hydrogelators, such as derivates of 1,3,5-benzene tricarboxamides (BTAs)...
June 22, 2017: Small
https://www.readbyqxmd.com/read/28638971/longer-duration-of-operative-time-enhances-healing-metabolites-and-improves-patient-outcome-after-achilles-tendon-rupture-surgery
#9
Simon Svedman, Olof Westin, Susanna Aufwerber, Gunnar Edman, Katarina Nilsson-Helander, Michael R Carmont, Jón Karlsson, Paul W Ackermann
PURPOSE: The relationship between the duration of operative time (DOT), healing response and patient outcome has not been previously investigated. An enhanced healing response related to DOT may potentiate repair processes, especially in hypovascular and sparsely metabolized musculoskeletal tissues such as tendons. This study aimed to investigate the association between DOT and the metabolic healing response, patient-reported outcome and the rate of post-operative complications after acute Achilles tendon injury...
June 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28638931/-operative-techniques-and-results-of-tibial-pilon-fractures
#10
REVIEW
R Rotter, P Gierer
BACKGROUND: The anatomical reconstruction of tibial pilon fractures is a major challenge with respect to preoperative planning, time management and the intraoperative procedure. OBJECTIVE: Presentation of the various surgical procedures available and the clinical outcome. MATERIAL AND METHODS: The established open reduction and internal plate fixation procedures form the basis for new minimally invasive treatment concepts. The current results of comparative studies and basic literature are discussed...
June 21, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28637592/personalized-modeling-for-real-time-pressure-ulcer-prevention-in-sitting-posture
#11
Vincent Luboz, Mathieu Bailet, Christelle Boichon Grivot, Michel Rochette, Bruno Diot, Marek Bucki, Yohan Payan
Ischial pressure ulcer is an important risk for every paraplegic person and a major public health issue. Pressure ulcers appear following excessive compression of buttock's soft tissues by bony structures, and particularly in ischial and sacral bones. Current prevention techniques are mainly based on daily skin inspection to spot red patches or injuries. Nevertheless, most pressure ulcers occur internally and are difficult to detect early. Estimating internal strains within soft tissues could help to evaluate the risk of pressure ulcer...
June 15, 2017: Journal of Tissue Viability
https://www.readbyqxmd.com/read/28636566/detection-of-muscle-gap-by-l-bia-in-muscle-injuries-clinical-prognosis
#12
L Nescolarde, J Yanguas, J Terricabras, H Lukaski, X Alomar, J Rosell-Ferrer, G Rodas
Sport-related muscle injury classifications are based basically on imaging criteria such as ultrasound (US) and magnetic resonance imaging (MRI) without consensus because of a lack of clinical prognostics for return-to-play (RTP), which is conditioned upon the severity of the injury, and this in turn with the muscle gap (muscular fibers retraction). Recently, Futbol Club Barcelona's medical department proposed a new muscle injury classification in which muscle gap plays an important role, with the drawback that it is not always possible to identify by MRI...
June 21, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28633781/beaming-in-charcot-arthropathy-intramedullary-fixation-for%C3%A2-complicated-reconstructions-a-cadaveric-study
#13
Corey M Fidler, Benjamin C Watson, Christopher W Reb, Christopher F Hyer
In the modern treatment of Charcot neuroarthropathy, beam screw fixation is an alternative to plate and screw fixation. Exposure is minimized for implantation, and this technique supports the longitudinal columns of the foot as a rigid load-sharing construct. A published data review identified a paucity of data regarding metatarsal intramedullary canal morphology relevant to beam screw fixation. The purpose of the present study was to describe metatarsal diaphyseal morphology qualitatively and quantitatively in an effort to provide data that can be used by surgeons when selecting axially based intramedullary fixation...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633768/comparing-different-surgical-techniques-for-addressing-the-posterior-malleolus-in-supination-external-rotation-ankle-fractures-and-the-need-for-syndesmotic-screw-fixation
#14
Mengnai Li, Rachel C Collier, Brian W Hill, Nathaniel Slinkard, Thuan V Ly
Trimalleolar ankle fractures are unstable injuries with possible syndesmotic disruption. Recent data have described inherent morbidity associated with screw fixation of the syndesmosis, including the potential for malreduction, hardware irritation, and post-traumatic arthritis. The posterior malleolus is an important soft tissue attachment for the posterior inferior syndesmosis ligament. We hypothesized that fixation of a sizable posterior malleolar (PM) fracture in supination external rotation type IV (SER IV) ankle fractures would act to stabilize the syndesmosis and minimize or eliminate the need for trans-syndesmotic fixation...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633150/hexapod-frame-stacked-transport-for-tibial-infected-nonunions-with-bone-loss-analysis-of-use-of-adjunctive-stability
#15
Joshua K Napora, Douglas S Weinberg, Blake A Eagle, Bram R Kaufman, John K Sontich
OBJECTIVES: The stacked hexapod bone transport technique is an effective treatment for infected tibial nonunions with bone loss. The purpose of this study was to evaluate the patients' risk factors and timing for requiring adjunctive stabilization. DESIGN: Retrospective cohort study. SETTING: Level 1 trauma center. PATIENTS/PARTICIPANTS: Seventy-five patients with infected posttraumatic nonunions of the tibia. INTERVENTION: Resection of nonunion with application of stacked hexapod frame for bone transport...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632658/the-retrograde-antegrade-retrograde-technique-for-successful-placement-of-a-retrograde-superior-ramus-screw
#16
David J Weatherby, Milton L Chip Routt, Jonathan G Eastman
Stabilization of pelvic ring injuries and certain acetabular fractures using percutaneous techniques is becoming increasingly more common. Intramedullary superior ramus screw fixation is beneficial in both injury types. While implants can be placed in an antegrade or retrograde direction, parasymphyseal ramus fractures benefit from retrograde implant insertion. In some patients, the parabolic osseous anatomy or obstructing soft tissues of the anterior pelvis or thigh can prevent appropriate hand and instrumentation positioning for appropriate retrograde ramus screw insertion through the entire osseous fixation pathway...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28628356/clips-versus-resilient-liners-used-with-bilateral-posterior-prefabricated-bars-for-retaining-four-implant-supported-mandibular-overdentures
#17
Mona Gibreel, Mohammed Fouad, Fatma El-Waseef, Nesma El-Amier, Hamdy Marzook
The objective of this research was to clinically compare peri-implant tissue health of bar-clips versus silicone-resilient liners used with bilateral posterior bars for retaining four implant supported mandibular overdentures. Thirty completely edentulous male patients (mean age 65) were randomly assigned into two equal groups. Each patient received four implants in canine and first molar regions of the mandible using flapless surgical technique. Mandibular overdentures were immediately connected to the implants with bilateral prefabricated instant adjusting bars...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628354/soft-tissue-enhancement-and-implant-placement-following-partial-mandibulectomy-due-to-squamous-cell-carcinoma
#18
Fabio Bernardello, Giampietro Bertasi, Ralph Mackey Powers, Sergio Spinato, Andrea Viaggi, Jimmie Bullock, Pietro Felice
Many dental procedures allow for implant placement in partially or totally edentulous patients. Despite the availability of various implant and abutment types on the market, it often becomes quite challenging to achieve the biological and esthetic goals in a patient who has ridge deficiencies. Where problems will arise is from the lack of adequate bone quality and quantity.1,2 Soft tissue form and maintenance is also a consideration to evaluate.3 Primary reconstructive techniques following segmental mandibulectomy is evolving and improves quality of life...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628160/-evaluation-of-the-correction-of-the-skeletal-class-iii-malocclusion-by-distalization-of-the-whole-mandible-dentition-with-micro-implant-anchorage
#19
(no author information available yet)
OBJECTIVE: To evaluate the clinical effect of distalizing mandibular dentition with micro-implant in patients with skeletal class III malocclusion. METHODS: In the study, 20 patients with skeletal class IIImalocclusion were selected. They are consist of 8 males and 12 female with an age range from 16 to 38 years old and an average age of (21.5±5.6) years.They were treated with straight wire technique and the implant were inserted into the mandibular external oblique line to distlize the lower dentition to a class I molar relationships...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28626914/synthesis-preclinical-and-pharmacokinetic-evaluation-of-a-new-zoledronate-derivative-as-a-promising-antiosteoporotic-candidate-using-radiolabeling-technique
#20
H A Motaleb, I T Ibrahim, M El-Tawoosy, M I Mohamed
A novel zoledronic acid (ZL) derivative, 3-(2-ethyl-4-methyi-1H-imidazole-1-yl)-1-hydroxy-1-phosphonopropyl phosphonic acid (EMIHPBP), was synthesized, characterized and successfully radiolabeled with (99m) Tc. The in-vivo biodistribution of (99m) Tc-EMIHPBP was investigated and compared with the previously reported zoledronate derivatives aiming to formulate a novel zoledronate derivative with a high potential uptake to bone as a promising antiosteoporotic candidate. In order to further evaluate the bone uptake efficiency, the pharmacokinetics of (99m) Tc-EMIHPBP was investigated, and showed that maximum concentration in bone (Cmax ) was 31...
June 18, 2017: Journal of Labelled Compounds & Radiopharmaceuticals
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