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Flexor tendon tendonitis

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https://www.readbyqxmd.com/read/28935339/quantitative-measurements-of-the-cross-sectional-configuration-of-the-flexor-pollicis-longus-tendon-using-ultrasonography-in-patients-with-pediatric-trigger-thumb
#1
Jihyeung Kim, Hyun Sik Gong, Hyun Sik Seok, Young Hun Choi, Sohee Oh, Goo Hyun Baek
PURPOSE: Pediatric trigger thumb is regarded as an acquired condition characterized by flexion deformity of the interphalangeal joint of the thumb. However, the exact etiology and pathoanatomy of this condition remain unknown. The purpose of this study was to evaluate cross-sectional configurations of the flexor pollicis longus (FPL) tendon and the area under the A1 pulley quantitatively using ultrasonography. METHODS: In this study we enrolled 43 patients, 23 boys and 20 girls, with unilateral pediatric trigger thumb...
September 19, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28927879/effects-of-volar-tilt-wrist-extension-and-plate-position-on-contact-between-flexor-pollicis-longus-tendon-and-volar-plate
#2
Caroline N Wolfe Wurtzel, Geoffrey T Burns, Andy F Zhu, Kagan Ozer
PURPOSE: Volar plates positioned at, or distal to, the watershed line have been shown to have a higher incidence of attritional rupture of the flexor pollicis longus (FPL). In this study, we aimed to evaluate the effect of wrist extension and volar tilt on the contact between the plate and the FPL tendon in a cadaver model. We hypothesized that, following volar plate application, loss of native volar tilt increases the contact between the FPL and the plate at lower degrees of wrist extension...
September 16, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28926379/tendon-length-calf-muscle-atrophy-and-strength-deficit-after-acute-achilles-tendon-rupture-long-term-follow-up-of-patients-in-a-previous-study
#3
Juuso Heikkinen, Iikka Lantto, Juuso Piilonen, Tapio Flinkkilä, Pasi Ohtonen, Pertti Siira, Vesa Laine, Jaakko Niinimäki, Ari Pajala, Juhana Leppilahti
BACKGROUND: In this prospective study, we used magnetic resonance imaging (MRI) to assess long-term Achilles tendon length, calf muscle volume, and muscle fatty degeneration after surgery for acute Achilles tendon rupture. METHODS: From 1998 to 2001, 60 patients at our center underwent surgery for acute Achilles tendon rupture followed by early functional postoperative rehabilitation. Fifty-five patients were reexamined after a minimum duration of follow-up of 13 years (mean, 14 years), and 52 of them were included in the present study...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28920544/identification-of-the-location-of-the-a1-pulley-combining-palpation-technique-with-palm-landmarks-and-percutaneous-release-of-a1-pulley-with-a-19-gauge-needle-a-cadaveric-study
#4
Aleksandr Grinčuk, Karolis Baužys, Narūnas Porvaneckas, Valentinas Uvarovas, Gediminas Rauba, Sigitas Ryliškis
The aims of this study were to identify the location of the A1 pulley combining palpation technique with superficial palm landmarks and to determine the efficacy and safety of A1 pulley percutaneous release with a 19-gauge needle. Fourteen fresh frozen cadaveric specimens were used: 56 fingers and 14 thumbs. The location of the A1 pulley was based on anatomical landmarks and was identified in all digits. Complete release of the A1 pulley occurred in 60 of the 70 digits (85.7%). The length of the A1 pulley in thumbs was 5...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28920487/unilateral-dislocation-of-the-posterior-tibialis-tendon-ptt-and-flexor-digitorum-longus-tendon-with-contralateral-ptt-subluxation-in-a-patient-with-congenitally-shallow-flexor-groove
#5
Jacob E Waldron, Andrew S Bernhardson, Todd A Fellars
INTRODUCTION: Flexor tendon dislocation from the flexor tendon groove posterior of the medial malleolus has been previously described, and may be difficult to diagnose initially, but is amendable to surgical treatment with good outcomes. We present a unique case of unilateral dislocation of the posterior tibialis and flexor digitorum longus tendons with contralateral flexor digitorum longus subluxation that was treated surgically with a good outcome. CASE PRESENTATION: A 37-year-old active duty male sustained a dislocation and subluxation of the flexor tendons bilaterally after a forced dorsiflexion injury...
October 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28919215/thermo-responsive-in-situ-forming-hydrogels-as-barriers-to-prevent-post-operative-peritendinous-adhesion
#6
Pang-Yun Chou, Shih-Heng Chen, Chih-Hao Chen, Shih-Hsien Chen, Yi Teng Fong, Jyh-Ping Chen
In this study, we aimed to assess whether thermo-responsive in-situ forming hydrogels based on poly(N-isopropylacrylamide) (PNIPAM) could prevent post-operative peritendinous adhesion. The clinical advantages of the thermo-responsive hydrogels are acting as barrier material to block penetration of fibroblasts, providing mobility and flexibility during application and enabling injection through a small opening to fill spaces of any shape after surgery. The thermo-responsiveness of hydrogels was determined to ensure their clinic uses...
September 12, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28917548/volar-capsular-release-after-distal-radius%C3%A2-fractures
#7
Robin N Kamal, David S Ruch
PURPOSE: Loss of full wrist range of motion is common after treatment of distal radius fractures. Loss of wrist extension limiting functional activities, although uncommon, can occur after volar plating of distal radius fractures. Unlike other joints in which capsular release is a common form of treatment for stiffness, this has been approached with caution in the wrist owing to concerns for carpal instability. We tested the null hypothesis that hardware removal and open volar capsular release would not lead to improved upper extremity-specific patient-reported outcome (Disabilities of the Arm, Shoulder, and Hand [DASH] questionnaire)...
September 14, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28916692/does-tendon-firing-quicken-time-to-recovery-for-superficial-digital-flexor-tendon-injury
#8
(no author information available yet)
No abstract text is available yet for this article.
September 16, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28914668/minimally-invasive-palmaris-longus-abductorplasty-for-severe-carpal-tunnel-syndrome
#9
Sze-Ryn Chung, Robert Tze-Jin Yap, Andrew Yam Kean Tuck
Camitz abductorplasty is the most commonly used tendon transfer in patients with severe carpal tunnel syndrome with significant muscle wasting and loss of opposition. This procedure requires a long incision in the palm to harvest a strip of palmar aponeurosis to lengthen the palmaris longus tendon, allowing it to reach the abductor pollicis brevis insertion. Several complications have been attributed to this extensive dissection in the palm. We describe a minimally invasive palmaris longus abductorplasty using a strip of free flexor carpi radialis tendon graft to achieve the necessary length...
September 13, 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28903975/proximal-avulsion-rupture-of-the-flexor-digitorum-longus-tendon-associated-with-a-medial-malleolus-ankle-fracture
#10
Naoki Yoshida, Yoshihiko Tsuchida
No abstract text is available yet for this article.
September 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28899822/early-strength-recovery-after-anterior-cruciate-ligament-reconstruction-using-the-fascia-lata
#11
Gregory Haillotte, Alexandre Hardy, Benjamin Granger, Thibaut Noailles, Fréderic Khiami
INTRODUCTION: After undergoing anterior cruciate ligament (ACL) reconstruction, patients must recover at least 80% of their hamstring and quadriceps strength to be able to return to sports without risk to the graft. Harvesting of the patellar tendon leads to large deficits in quadriceps strength, while harvesting the hamstring tendons leads to large deficits in hamstring strength. However, there are no published studies on the strength deficit after ACL reconstruction with the fascia lata...
September 9, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28899589/trapeziectomy-with-suspension-interposition-arthroplasty-for-thumb-carpometacarpal-osteoarthritis-a-randomized-controlled-trial-comparing-the-use-of-allograft-versus-flexor-carpi-radialis-tendon
#12
Miriam Marks, Stefanie Hensler, Martina Wehrli, Anne-Gita Scheibler, Stephan Schindele, Daniel B Herren
PURPOSE: The objective of this randomized controlled trial was to compare the 12-month postoperative Michigan Hand Outcomes Questionnaire (MHQ) total score between patients with osteoarthritis (OA) at the first carpometacarpal (CMC I) joint who underwent trapeziectomy with suspension-interposition arthroplasty using the flexor carpi radialis (FCR) tendon and those receiving a human dermal collagen template (allograft). METHODS: We included 60 patients with CMC I OA who met the indications for surgery...
September 9, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28893531/a-systematic-review-of-plantar-plate-repair-in-the-management-of-lesser-metatarsophalangeal-joint-instability
#13
REVIEW
Mohammed Elmajee, Zhiyu Shen, Jamie A'Court, Anand Pillai
The plantar plate is a major structure that maintains metatarsophalangeal joint (MTPJ) stability and has only recently gained attention. Anatomic plantar plate repair can directly address the pathologic entity, rather than relying on indirect reduction of the MTPJ instability by osteotomy or tendon transfer techniques. The present report aimed to determine the effectiveness of plantar plate repair for the treatment of patients with lesser MTPJ instability. Different databases were searched using the guidelines in the Cochrane Handbook and recommendations from the Preferred Reporting Items for Systematic reviews and Meta-Analysis statement...
September 8, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28890257/effects-of-pdgf-bb-delivery-from-heparinized-collagen-sutures-on-the-healing-of-lacerated-chicken-flexor-tendon-in-vivo
#14
Mousa Younesi, Derrick M Knapik, Jameson Cumsky, Baris Ozgur Donmez, Ping He, Anowarul Islam, Greg Learn, Philip McClellan, Michael Bohl, Robert J Gillespie, Ozan Akkus
Flexor tendon lacerations are traditionally repaired by using non-absorbable monofilament sutures. Recent investigations have explored to improve the healing process by growth factor delivery from the sutures. However, it is difficult to conjugate growth factors to nylon or other synthetic sutures. This study explores the performance of a novel electrochemically aligned collagen suture in a flexor tendon repair model with and without platelet derived growth factor following complete tendon laceration in vivo...
September 7, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28888566/tendon-tissue-engineering-mechanism-and-effects-of-human-tenocyte-coculture-with-adipose-derived-stem-cells
#15
Chao Long, Zhen Wang, Anais Legrand, Arhana Chattopadhyay, James Chang, Paige M Fox
PURPOSE: Adipose-derived stem cells (ASCs) are a potential candidate for cell-based therapy targeting tendon injury; however, their therapeutic benefit relies on their ability to interact with native tenocytes. This study examines the mechanism and effects of coculturing human tenocytes and ASCs. METHODS: Tenocytes (T) were directly cocultured with either ASCs (A) or fibroblasts (F) (negative control) in the following ratios: 50% T/50% A or F; 25% T/75% A or F; and 75% T/25% A or F...
September 6, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28881536/-mr-imaging-of-flexor-tendon-and-pulley-system-of-the-fingers-normal-anatomy-and-injury
#16
R J Bai, H L Zhan, Y Liu, H Zhang, Z H Qian, W Ye, Y X Li
Objective: To explore the magnetic resonance imaging (MRI) features of the anatomy and injuries of flexor tendon and pulley system of the fingers. Methods: Clinical and imaging data of 20 healthy volunteers without injuries and 36 patients from Beijing Jishuitan Hospital with flexor tendon and pulley system injuries in the fingers between March 2013 and March 2016 were retrospectively analyzed. All subjects underwent magnetic resonance imaging (MRI) examination. The MRI findings of patients were compared with healthy volunteers...
September 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28880600/rare-giant-cell-tumor-of-the-distal-flexor-digitorum-longus-tendon-sheath-and-early-diagnosis-with-use-of-magnetic-resonance-imaging
#17
Michael Levi, Jordan Crafton
Giant-cell tumor of the tendon sheath (GCT-TS) is an uncommon occurrence for a foot and ankle surgeon. However, there is a need to recognize the symptoms of typical and atypical presentations of this pathology. These benign neoplasms are recognized clinically as a soft-tissue mass that is usually painless and palpable. The foot and ankle account for only 3% to 5% of all GCT-TS in the body, with most being located in the hand. Giant cell tumor in the tendon sheath occurring in the foot and ankle is usually encountered on the lateral ankle and dorsum of the foot, occupying the extensor tendons...
July 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28878447/anterior-interosseous-nerve-palsy-mimicking-rupture-of-the-index-flexor-digitorum-profundus-after-volar-locking-plate-fixation-of-a-distal-radius-fracture
#18
Takaaki Shinohara, Sayako Takahashi, Hitoshi Hirata
We describe the case of a patient with distal radius fracture who became unable to flex the distal interphalangeal joint of the index finger after internal fixation using a volar locking plate. There was palpable crepitus with active thumb motion, and wrist radiographs showed prominence of the volar plate at the watershed line. Therefore, our initial diagnosis was plate-induced closed rupture of the flexor digitorum profundus tendon of the index finger. However, upon surgical removal of the plate, no tendon rupture was found...
August 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28868605/development-of-digastric-muscles-in-human-fetuses-a-review-and-findings-in-the-flexor-digitorum-superficialis-muscle
#19
José Francisco Rodríguez-Vázquez, Zhe Wu Jin, Peng Zhao, Gen Murakami, Xiang Wu Li, Yu Jin
The digastricus and omohyoideus muscles are digastric muscles with two muscle bellies. An insertion tendon of the posterior belly becomes an intermediate tendon in digastricus muscles, whereas a single band-like muscle in omohyoideus muscles may later be interrupted by an intermediate tendon, possibly due to muscle cell death caused by mechanical stress. In human fetuses, an intermediate tendon provides the temporal origins of the tensor veli palatini and tensor tympani muscles. Some reptiles, including snakes, carry multiple series of digastric-like axial muscles, in which each intersegmental septum is likely to become an intermediate tendon...
September 4, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28863723/flexor-digitorum-longus-fdl-or-flexor-hallucis-longus-fhl-harvesting-technical-tip-and-case-studies
#20
Bruce Lehnert, Meir Nyska, Wing Ip, Em Huynh, Ezequiel Palmanovich
BACKGROUND: Harvesting of the flexor digitorum longus (FDL) or the flexor hallucis longus (FHL) is a procedure used when tendon transfer is needed. It is commonly used in tibialis posterior reconstruction and Achilles tendon reconstruction. Harvesting of these tendons is sometimes difficult and time-consuming. It is important to obtain sufficient length to make a loop around the navicular bone or anchor it in the calcaneus. We describe a technique in which a loop is passed from proximal identification of the FDL or FHL through the tendon sheath, harvesting it from a minimal plantar approach...
September 1, 2017: Foot & Ankle International
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