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Flexor tendon repair

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https://www.readbyqxmd.com/read/27885382/mri-in-flexor-tendon-rupture-after-collagenase-injection
#1
Shruti Khurana, Vibhor Wadhwa, Avneesh Chhabra, Bardia Amirlak
Flexor tendon rupture is an unusual complication following collagenase injection to relieve contractures. These patients require a close follow-up and in the event of tendon rupture, a decision has to be made whether to repair the tendon or manage the complication conservatively. The authors report the utility of MRI in the prognostication and management of a patient with Dupuytren's contracture, who underwent collagenase injection and subsequently developed flexor digitorum profundus tendon rupture.
November 25, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27881830/repair-of-chronic-achilles-ruptures-has-a-high-incidence-of-venous-thromboembolism
#2
Mark J Bullock, William T DeCarbo, Mark H Hofbauer, Joshua D Thun
: Background Despite the low incidence of deep vein thrombosis (DVT) in foot and ankle surgery, some authors report a high incidence of symptomatic DVT following Achilles tendon rupture. The purpose of this study was to identify DVT risk factors inherent to Achilles tendon repair to determine which patients may benefit from prophylaxis. Methods One hundred and thirteen patient charts were reviewed following elective and nonelective Achilles tendon repair. For elective repair of insertional or noninsertional Achilles tendinopathy, parameters examined included lateral versus prone positioning and the presence versus absence of a flexor hallucis longus transfer...
November 23, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27881441/evaluation-of-the-histological-and-mechanical-features-of-tendon-healing-in-a-rabbit-model-with-the-use-of-second-harmonic-generation-imaging-and-tensile-testing
#3
E Hase, K Sato, D Yonekura, T Minamikawa, M Takahashi, T Yasui
OBJECTIVES: This study aimed to evaluate the histological and mechanical features of tendon healing in a rabbit model with second-harmonic-generation (SHG) imaging and tensile testing. MATERIALS AND METHODS: A total of eight male Japanese white rabbits were used for this study. The flexor digitorum tendons in their right leg were sharply transected, and then were repaired by intratendinous stitching. At four weeks post-operatively, the rabbits were killed and the flexor digitorum tendons in both right and left legs were excised and used as specimens for tendon healing (n = 8) and control (n = 8), respectively...
November 2016: Bone & Joint Research
https://www.readbyqxmd.com/read/27879606/improving-outcomes-in-tendon-repair-a-critical-look-at-the-evidence-for-flexor-tendon-repair-and-rehabilitation
#4
Wee S Khor, Martin F Langer, Richard Wong, Rui Zhou, Fiona Peck, Jason K F Wong
LEARNING OBJECTIVES: After reading this article, the participant should be able to: 1. Appreciate the variation and evolution of flexor tendon management 2. Know how to assess the patient who presents with a flexor tendon laceration. 3. Understand the biology of repairing flexor tendon lacerations. 4. Appreciate the technical challenges in flexor tendon repair relating to different zones. 5. Understand the rationale of postoperative hand therapy. 6. Have an overview of the types of secondary tendon surgery...
December 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27851667/outcomes-after-primary-repair-and-staged-reconstruction-of-zone-i-and-ii-flexor-tendon-injuries-in-children
#5
Samantha L Piper, Lesley C Wheeler, Janith K Mills, Marybeth Ezaki, Scott N Oishi
BACKGROUND: Delayed diagnosis of flexor tendon injury in children is common, and consequent flexor sheath scarring may necessitate a 2-stage reconstruction. Previous studies show variable outcomes after 2-stage flexor reconstruction in children, especially those below 6 years old. We evaluated functional and subjective outcomes of primary repair and staged reconstruction of zone I and II tendon injuries in children under 6 years of age. METHODS: A retrospective chart review identified 12 digits in 10 patients who had undergone surgical treatment of a zone I or II flexor tendon injury...
November 15, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27847806/surgical-strategy-for-the-chronic-achilles-tendon-rupture
#6
Yangjing Lin, Liu Yang, Li Yin, Xiaojun Duan
Background. Chronic Achilles tendon rupture is usually misdiagnosed and treated improperly. This study aims to better understand the treatment of chronic Achilles tendon rupture. Methods. Patients who were not able to perform a single-limb heel rise were chosen. Pre- and postoperative magnetic resonance imaging (MRI) were conducted. By evaluating the presence or absence of Achilles tendon stumps and the gap length of rupture, V-Y advancement, gastrocnemius fascial turndown flap, or flexor halluces longus tendon transfer were selected for tendon repair...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27795781/-digital-replantation-results-and-complications-study-of-a-series-of-18-cases
#7
Mohammed El Idrissi, Abdelhalim Elibrahimi, Mohammed Shimi, Abdelmajid Elmrini
Digital amputations are frequent injuries, the majority of them are caused by workplace accidents. Microsurgical techniques are an alternative option to repair these amputations. This study aims to report our experience in digital replantation through the examination of 18 cases. We conducted a retrospective study of 14 patients with total or subtotal fingers amputation between June 2013 and January 2015. All unidigital and multidigital replantations downstream of the distal insertion of superficial flexor tendon as well as all digital replantations upstream of the distal insertion of superficial flexor tendon were included in our study...
2016: Pan African Medical Journal
https://www.readbyqxmd.com/read/27762620/reinforcement-of-the-flexor-tendon-repair-using-human-amniotic-membranea-biomechanical-evaluation-using-the-modified-kessler-method-of-tendon-repair
#8
Yunus Dogramaci, Ibrahim Gökhan Duman
BACKGROUND: Human amniotic membrane is used to prevent peritendinous adhesions after tendon injuries. This study compares the mechanical properties of modified Kessler repairs and modified Kessler repairs strengthened using multiple layers of human amniotic membrane. METHODS: Twenty flexor digitorum profundus tendons of sheep forelimbs were sutured by the two-strand modified Kessler technique (group A) and by the two-strand modified Kessler repair reinforced with multiple layers of human amniotic membrane (group B)...
September 2, 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/27746496/reconstruction-of-kuwada-grade-iv-chronic-achilles-tendon-rupture-by-minimally-invasive-technique
#9
Xudong Miao, Yongping Wu, Huimin Tao, Disheng Yang, Lu Huang
BACKGROUND: Transfer of a flexor hallucis longus (FHL) tendon can not only reconstruct the Achilles tendon but also provide ischemic tendinous tissues with a rich blood supply to enhance wound healing. This retrospective study aims to investigate clinical outcomes in patients who underwent repair of Kuwada grade IV chronic Achilles tendon rupture with long hallucis longus tendons harvested using a minimally invasive technique. MATERIALS AND METHODS: 35 patients who were treated for Kuwada grade IV Achilles tendon injuries from July 2006 to June 2011 were included in this retrospective study...
September 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27726447/exposure-of-a-tendon-extracellular-matrix-to-synovial-fluid-triggers-endogenous-and-engrafted-cell-death-a-mechanism-for-failed-healing-of-intrathecal-tendon-injuries
#10
Elaine R Garvican, Mazdak Salavati, Roger K W Smith, Jayesh Dudhia
AIM: The purpose of this study was to investigate the effect of normal synovial fluid (SF) on exposed endogenous tendon-derived cells (TDCs) and engrafted mesenchymal stem cells (MSCs) within the tendon extracellular matrix. METHODS: Explants from equine superficial digital flexor (extra-synovial) and deep digital flexor tendons (DDFTs) from the compressed, intra-synovial and the tensile, extra-synovial regions were cultured in allogeneic or autologous SF-media...
October 11, 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/27711967/augmented-repair-of-an-achilles-tendon-rupture-using-the-flexor-digitorum-lateralis-tendon-in-a-toy-poodle
#11
Masaaki Katayama
OBJECTIVE: To report appositional augmentation of Achilles tendon rupture in a toy breed dog with an intact flexor digitorum lateralis (FDL) muscle tendon. STUDY DESIGN: Clinical case report. ANIMALS: Two-year-old spayed female Toy Poodle with Achilles tendon rupture. METHODS: The Achilles tendon was accidentally ruptured by hair clippers during grooming. The dog demonstrated a plantigrade stance without digital flexion of the right hind limb...
October 6, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27692801/risk-of-prolonged-opioid-use-among-opioid-na%C3%A3-ve-patients-following-common-hand-surgery-procedures
#12
Shepard P Johnson, Kevin C Chung, Lin Zhong, Melissa J Shauver, Michael J Engelsbe, Chad Brummett, Jennifer F Waljee
PURPOSE: To evaluate prolonged opioid use in opioid-naïve patients after common hand surgery procedures in the United States. METHODS: We studied insurance claims from the Truven MarketScan databases to identify opioid-naïve adult patients (no opioid exposure 11 months before the perioperative period) who underwent an elective (carpal tunnel release, carpometacarpal arthroplasty/arthrodesis, cubital tunnel release, or trigger finger release) or trauma-related (closed distal radius fracture fixation, flexor tendon repair, metacarpal fracture fixation, or phalangeal fracture fixation) hand surgery procedure between 2010 and 2012 (N = 77,573 patients)...
September 7, 2016: Journal of Hand Surgery
https://www.readbyqxmd.com/read/27684281/murine-flexor-tendon-injury-and-repair-surgery
#13
Jessica E Ackerman, Alayna E Loiselle
Tendon connects skeletal muscle and bone, facilitating movement of nearly the entire body. In the hand, flexor tendons (FTs) enable flexion of the fingers and general hand function. Injuries to the FTs are common, and satisfactory healing is often impaired due to excess scar tissue and adhesions between the tendon and surrounding tissue. However, little is known about the molecular and cellular components of FT repair. To that end, a murine model of FT repair that recapitulates many aspects of healing in humans, including impaired range of motion and decreased mechanical properties, has been developed and previously described...
2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27682293/analysis-of-soft-tissue-complications-of-volar-plate-fixation-for-managing-distal-radius-fractures-and-clinical-effect-while-preserving-pronator-quadratus
#14
J Fan, B Jiang, B Wang, K Chen, F Yuang, J Mei, G-R Yu
The aim of the study was to analysis soft-tissue complications of volar plate fixation and it's prevention strategies along with exploring clinical effects of preserving pronator quadratus (PQ) muscle. From February 2011 to February 2013, sixty-five patients with distal radius fracture underwent open reduction and internal fixation with the volar locking palmar plates. The group with preserving PQ involved 30 patients and group with PQ repair involved 35 patients. Surgeons must took great care of not -letting drill pierce dorsal cortical bone rapidly and dorsal carpal tangential fluoroscopy was also taken in addition to lateral fluoroscopy to get accurate screw length...
August 2016: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/27677963/the-effect-of-mesenchymal-stromal-cell-sheets-on-the-inflammatory-stage-of-flexor-tendon-healing
#15
Hua Shen, Ioannis Kormpakis, Necat Havlioglu, Stephen W Linderman, Shelly E Sakiyama-Elbert, Isaac E Erickson, Thomas Zarembinski, Matthew J Silva, Richard H Gelberman, Stavros Thomopoulos
BACKGROUND: The clinical outcomes following intrasynovial flexor tendon repair are highly variable. Excessive inflammation is a principal factor underlying the formation of adhesions at the repair surface and affecting matrix regeneration at the repair center that limit tendon excursion and impair tendon healing. A previous in-vitro study revealed that adipose-derived mesenchymal stromal cells (ASCs) modulate tendon fibroblast response to macrophage-induced inflammation. The goal of the current study was therefore to explore the effectiveness of autologous ASCs on the inflammatory stage of intrasynovial tendon healing in vivo using a clinically relevant animal model...
September 27, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27673537/biomechanical-analysis-of-barbed-suture-in-flexor-tendon-repair-versus-conventional-method-systematic-review-and-meta-analysis
#16
Jin Yong Shin, Jin Soo Kim, Si-Gyun Roh, Nae-Ho Lee, Kyung-Moo Yang
BACKGROUND: The barbed suture technique uses newly developed materials for flexor tendon repair. In this study, the authors examine the effectiveness of using barbed sutures in flexor tendon repair compared with conventional methods. METHODS: A systematic literature review and meta-analysis was performed using MEDLINE, Embase, and Cochrane databases. Barbed suture and conventional suture methods were extracted as predictor variables, and maximum force, gap formation force, and cross-sectional area were extracted as outcome variables...
October 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27658527/pxl01-in-sodium-hyaluronate-results-in-increased-prg4-expression-a-potential-mechanism-for-anti-adhesion
#17
Sara Edsfeldt, Björn Holm, Margit Mahlapuu, Carol Reno, David A Hart, Monica Wiig
PURPOSE: To investigate the anti-adhesive mechanisms of PXL01 in sodium hyaluronate (HA) by using the rabbit lactoferrin peptide, rabPXL01 in HA, in a rabbit model of healing tendons and tendon sheaths. The mechanism of action for PXL01 in HA is interesting since a recent clinical study of the human lactoferrin peptide PXL01 in HA administered around repaired tendons in the hand showed improved digit mobility. MATERIALS AND METHODS: On days 1, 3, and 6 after tendon injury and surgical repair, reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR) was used to assess mRNA expression levels for genes encoding the mucinous glycoprotein PRG4 (also called lubricin) and a subset of matrix proteins, cytokines, and growth factors involved in flexor tendon repair...
September 23, 2016: Upsala Journal of Medical Sciences
https://www.readbyqxmd.com/read/27637776/treatment-of-wound-healing-disorders-of-radial-forearm-free-flap-donor-sites-using-cold-atmospheric-plasma-a-proof-of-concept
#18
Stefan Hartwig, Christian Doll, Jan Oliver Voss, Moritz Hertel, Saskia Preissner, Jan Dirk Raguse
PURPOSE: The treatment of wound healing disturbances of the radial forearm free flap donor site after reconstructive surgery is typically long and burdensome and often requires additional surgery. Cold atmospheric plasma is a promising approach to overcome these impairments. The aim of this proof of concept study was to evaluate the clinical outcome of plasma irradiation in patients with wound healing disorders with exposed brachial tendons of the radial forearm. PATIENTS AND METHODS: Four patients (mean age 64...
August 24, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27635037/rabbit-achilles-tendon-full-transection-model-wound-healing-adhesion-formation-and-biomechanics-at-3-6-and-12%C3%A2-weeks-post-surgery
#19
Gabriella Meier Bürgisser, Maurizio Calcagni, Elias Bachmann, Gion Fessel, Jess G Snedeker, Pietro Giovanoli, Johanna Buschmann
After tendon rupture repair, two main problems may occur: re-rupture and adhesion formation. Suitable non-murine animal models are needed to study the healing tendon in terms of biomechanical properties and extent of adhesion formation. In this study 24 New Zealand White rabbits received a full transection of the Achilles tendon 2 cm above the calcaneus, sutured with a 4-strand Becker suture. Post-surgical analysis was performed at 3, 6 and 12 weeks. In the 6-week group, animals received a cast either in a 180 deg stretched position during 6 weeks (adhesion provoking immobilization), or were re-casted with a 150 deg position after 3 weeks (adhesion inhibiting immobilization), while in the other groups (3 and 12 weeks) a 180 deg position cast was applied for 3 weeks...
September 15, 2016: Biology Open
https://www.readbyqxmd.com/read/27630400/rehabilitation-outcomes-in-patients-with-early-and-two-stage-reconstruction-of-flexor-tendon-injuries
#20
Ilgin Sade, Murat İnanir, Suzan Şen, Esra Çakmak, Serkan Kablanoğlu, Barin Selçuk, Nigar Dursun
[Purpose] The primary aim of this study was to assess rehabilitation outcomes for early and two-stage repair of hand flexor tendon injuries. The secondary purpose of this study was to compare the findings between treatment groups. [Subjects and Methods] Twenty-three patients were included in this study. Early repair (n=14) and two-stage repair (n=9) groups were included in a rehabilitation program that used hand splints. This retrospective evaluated patients according to their demographic characteristics, including age, gender, injured hand, dominant hand, cause of injury, zone of injury, number of affected fingers, and accompanying injuries...
August 2016: Journal of Physical Therapy Science
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