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Flexor tendon tendonitis

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https://www.readbyqxmd.com/read/29166314/step-cut-lengthening-a-technique-for-treatment-of-flexor-pollicis-longus-tendon-rupture
#1
Chew-Wei Chong, Shih-Heng Chen
Reconstruction of a tendon defect is a challenging task in hand surgery. Delayed repair of a ruptured flexor pollicis longus (FPL) tendon is often associated with tendon defect. Primary repair of the tendon is often not possible, particularly after debridement of the unhealthy segment of the tendon. As such, various surgical treatments have been described in the literature, including single-stage tendon grafting, 2-stage tendon grafting, flexor digitorum superficialis tendon transfer from ring finger, and interphalangeal joint arthrodesis...
November 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29161769/influence-of-biceps-brachii-tendon-mechanical-properties-on-elbow-flexor-force-steadiness-in-young-and-old-males
#2
Rowan R Smart, Stéphane Baudry, Andrey Fedorov, Samantha L Kuzyk, Jennifer M Jakobi
Elbow flexor force steadiness (FS) depends on strength and decreases with age. Achilles tendon mechanics effect standing balance and isometric plantarflexion FS. This study investigated the influence of distal biceps brachii (BB) tendon mechanics and elbow flexor strength on age-related decline in FS. Nine young (23±2 years) and 9 old (77±5 years) males performed submaximal isometric elbow flexion tasks at low (2.5, 5, 10% maximal voluntary contraction (MVC)) and high (20, 40, 60, 80%MVC) forces in a neutral forearm position...
November 21, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29152595/identification-of-equid-herpesvirus-2-in-tissue-engineered-equine-tendon
#3
Roisin Wardle, Jane A Pullman, Sam Haldenby, Lorenzo Ressel, Marion Pope, Peter D Clegg, Alan Radford, James P Stewart, Mohammed Al-Saadi, Philip Dyer, Mandy J Peffers
Background: Incidental findings of virus-like particles were identified following electron microscopy of tissue-engineered tendon constructs (TETC) derived from equine tenocytes. We set out to determine the nature of these particles, as there are few studies which identify virus in tendons per se, and their presence could have implications for tissue-engineering using allogenic grafts. Methods: Virus particles were identified in electron microscopy of TETCs. Virion morphology was used to initially hypothesise the virus identity...
2017: Wellcome Open Research
https://www.readbyqxmd.com/read/29148083/macroscopic-and-microscopic-analyses-in-flexor-tendons-of-the-tarsometatarso-phalangeal-joint-of-ostrich-struthio-camelus-foot-with-energy-storage-and-shock-absorption
#4
Rui Zhang, Dianlei Han, Gang Luo, Lei Ling, Guoyu Li, Qiaoli Ji, Jianqiao Li
Flexor tendons function as energy storage and shock absorption structures in the tarsometatarso-phalangeal joint (TMTPJ) of ostrich feet during high-speed and heavy-load locomotion. In this study, mechanisms underlying the energy storage and shock absorption of three flexor tendons of the third toe were studied using histology and scanning electron microscopy (SEM). Macroscopic and microscopic structures of the flexor tendons in different positions of TMTPJ were analyzed. Histological slices showed collagen fiber bundles of all flexor tendons in the middle TMTPJ were arranged in a linear-type, but in the proximal and distal TMTPJ, a wavy-type arrangement was found in the tendon of the M...
November 17, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/29145347/fingertip-winding-suture-pull-out-suture-technique-for-flexor-tendon-repair-in-zone-i
#5
Mostafa Mahmoud, Motaz Elian, Abdalah Seif Elnasr
Injuries to flexor tendons in zone I has always been challenging during repair. Over the time several techniques were developed and modified to achieve the highest repair strength and thus the best functional outcome. These techniques vary from pull-out sutures with internal and external fixation to the use of bone anchors. All techniques were accompanied with advantages and disadvantages as well as postoperative morbidities related to certain techniques. In the present technique we introduce a subperiosteal pull-out suturing technique...
December 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/29142095/patterns-of-intermuscular-inhibitory-force-feedback-across-cat-hindlimbs-suggest-a-flexible-system-for-regulating-whole-limb-mechanics
#6
Mark A Lyle, T Richard Nichols
Prior work has suggested that Golgi tendon organ feedback, via its distributed network linking muscles spanning all joints, could be used by the nervous system to help regulate whole limb mechanics if appropriately organized. We tested this hypothesis by characterizing the patterns of intermuscular force dependent feedback between the primary extensor muscles spanning the knee, ankle and toes in decerebrate cat hindlimbs. Intermuscular force feedback was evaluated by stretching tendons of selected muscles in isolation and in pairwise combinations and then measuring the resulting force dependent intermuscular interactions...
November 15, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29137727/the-quantitative-evaluation-of-the-relationship-between-the-forces-applied-to-the-palm-and-carpal-tunnel-pressure
#7
Kazutoshi Kubo, Yu-Shiuan Cheng, Boran Zhou, Kai-Nan An, Steven L Moran, Peter C Amadio, Xiaoming Zhang, Chunfeng Zhao
Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy occurring in upper limbs. The etiology, however, has not been fully understood yet. Median nerve could be compressed by either increase of carpal tunnel pressure (CTP) or direct impingement when it is forced toward to carpal ligament especially in wrist flexion leading to CTS development. Thus, the increase of carpal tunnel pressure is considered an important role in CTS development. It has been identified that forces applied to the palm would affect the CTP...
November 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29134318/the-impact-of-different-peripheral-suture-techniques-on-the-biomechanical-stability-in-flexor-tendon-repair
#8
B Wieskötter, M Herbort, M Langer, M J Raschke, D Wähnert
PURPOSE: Flexor tendon repair consists of circumferential peripheral sutures in combination with core sutures to avoid fraying and reduces the exposure of suture material on tendon surface. The peripheral suture adds up to a tenfold increase of the biomechanical stability compared to the core suture alone. The purpose of our study was to determine the most favourable peripheral repair technique for tendon repair. METHODS: Seventy-two porcine flexor tendons underwent standardized tenotomy and repair using one of the following six methods (n = 12): simple-running (SR), simple-locking (SL), Halsted-mattress (HM), lin-locking (LL), Lembert-mattress (LM), and Silfverskiöld cross-stich (SCS) suture technique...
November 13, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29132787/distal-biceps-brachii-tendon-transfer-for-re-establishing-extrinsic-finger-function-feasibility-study-in-cadavers
#9
Matthew D Welsch, Alexander D Mih, Brock D Reiter, Gregory A Merrell
PURPOSE: To determine the anatomic feasibility of transferring the biceps brachii tendon into either the extensor digitorum communis (EDC) or flexor digitorum profundus (FDP), determine the excursion imparted to EDC and FDP tendons after transfer, and compare the work capacity of the cadaver biceps to previously published data on the biceps as well as the recipient muscles by calculating the physiologic cross-sectional area (PCSA). METHODS: Four fresh-frozen cadaver shoulder-elbow-wrist specimens were used to measure tendon excursion that can be obtained with transfer of the distal biceps tendon into either the EDC or FDP...
November 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29131660/biomechanical-and-morphometric-properties-of-long-flexor-tendons-of-the-toes-a-cadaver-study
#10
Orhan Beger, Gamze Tumentemür, Coşar Uzun, Elif Nedret Keskinöz, Özlem Elvan, Deniz Uzmansel, Mert Keskinbora, Nurten Erdal, Bahar Taşdelen, Zeliha Kurtoğlu
METHODS: RESULTS: CONCLUSIONS.
November 13, 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/29125382/intra-sheath-versus-extra-sheath-ultrasound-guided-corticosteroid-injection-for-trigger-finger-a-triple-blinded-randomized-clinical-trial
#11
Mohsen Mardani-Kivi, Mahmoud Karimi-Mobarakeh, Ali Babaei Jandaghi, Sohrab Keyhani, Khashayar Saheb-Ekhtiari, Keyvan Hashemi-Motlagh
OBJECTIVE: The aim of this study is to compare clinical results of ultrasound-guided corticosteroid injection, intra-sheath versus extra-sheath of the finger flexor tendon. METHODS: A total of 166 patients with trigger finger were evaluated in a triple blind randomized clinical trial study. All the patients were injected with 1ml of 40mg/ml methyl prednisolone acetate, under the guidance of ultrasound. Half the patients were injected extra sheath, while the other half were injected intra sheath at the level of first annular pulley...
November 10, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29117832/prevalence-of-absence-of-palmaris-longus-and-its-association-with-gender-hand-dominance-and-absence-of-fds-tendon-to-little-finger-among-malay-population
#12
Mei Wen Yong, Nabihah Yusof, Lekhraj Rampal, Manohar Arumugam
BACKGROUND: Palmaris Longus is being widely used in reconstructive, plastic and cosmetic surgeries due to its long tendon. It is the most readily available source for tendon grafting. The objective of this study was to determine the prevalence of absence of Palmaris Longus and its association with gender, hand dominance and absence of FDS (flexor digitorum superficialis) tendon to little finger among Malay population. METHODS: An analytical cross sectional study design was used and a self-administered proforma was distributed for data collection...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29117830/in-vitro-evaluation-of-human-hand-tendon-ingrowth-into-a-synthetic-scaffold
#13
Shalimar Abdullah, Fadzlina Mohtar, Nordashima Abdul Shukor, Jamari Sapuan
BACKGROUND: Synthetic scaffold has been used for tissue approximation and reconstructing damaged and torn ligaments. This study explores the ability of tendon ingrowth into a synthetic scaffold in vitro, evaluate growth characteristics, morphology and deposition of collagen matrix into a synthetic scaffold. METHODS: Upper limb tendons were harvested with consent from patients with crush injuries and non-replantable amputations. These tendons (both extensor and flexor) measuring 1 cm are sutured to either side of a 0...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29117828/dual-plating-technique-for-volar-rim-fracture-of-the-distal-radius-using-depuy-synthes-2-0-m-and-2-4-mm-locking-plates
#14
Yoshihiro Abe, Masahiro Suzuki, Hiromasa Wakita
BACKGROUND: To assess the surgical results of distal radius fractures with the involvement of a volar rim fragment using the DePuy-Synthes 2.0 mm and 2.4 mm locking plates. METHODS: Subjects were six women and one man of average age 57 years (range, 31-83 y) and a mean follow-up period of 9 months (range, 5-19 mo) with AO B3 (volar shearing) distal radius fractures. Time of the procedure, physical examination of wrist range of motion, grip strength compared with the contralateral healthy wrist, and radiographic evaluation (volar tilt, radial inclination, and ulnar variance) were evaluated...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29117820/carpal-tunnel-syndrome-and-trigger-wrist-caused-by-localized-amyloidosis-a-case-report
#15
Takuma Wakasugi, Ritsuro Shirasaka, Toshiyuki Kawauchi, Koji Fujita, Atsushi Okawa
We report a case of carpal tunnel syndrome and trigger wrist caused by localized amyloidosis. A 37-year-old man, who worked as a manufacturer, presented with a 5-month history of tingling sensation in the three radial fingers of the left hand and a painful click at the volar aspect of the wrist during digital motion. We divided the transverse carpal ligament and detected diffuse tenosynovitis that was especially severe around the flexor digitorum profundus tendons. Histological findings led to a diagnosis of amyloidosis...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29116328/correlation-between-femoroacetabular-impingement-and-hamstring-tendon-pathology-on-magnetic-resonance-imaging-and-arthrography
#16
Nakul Talathi, Scott LaValva, Angel Lopez-Garib, John D Kelly, Viviane Khoury
Femoroacetabular impingement (FAI) is an abnormality of the femoral head or acetabulum that leads to an increased incidence of cartilaginous injury in the hip. Femoroacetabular impingement has been associated with several structural abnormalities, including osteitis pubis and hip flexor dysfunction. The authors propose that, additionally, FAI may lead to increased damage of the hamstring tendon due to the additional stress placed on the tendon from the limited range of motion of the hip. The authors conducted a retrospective matched-pair study with the magnetic resonance imaging and magnetic resonance arthrography images of 40 patients' hamstrings with FAI and 45 age-matched controls...
November 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/29115959/increased-stiffness-of-median-nerve-in-systemic-sclerosis
#17
Ilker Yagci, Ozge Kenis-Coskun, Tugba Ozsoy, Gulsen Ozen, Haner Direskeneli
BACKGROUND: Systemic sclerosis can affect peripheral nerves, but the extent and the nature of this involvement are not well defined. The aim of this study is to compare the sonoelastrographic measurements of median nerves in systemic sclerosis (SSC), idiopathic carpal tunnel syndrome (CTS) and healthy individuals. METHODS: The clinical, electrophysiological and ultrasonographic assessments were done. Patients with SSC and CTS were assessed with nerve conduction studies...
November 7, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29111461/sonographic-identification-of-the-flexor-digitorum-accessorius-longus-tendon
#18
Jeffrey R LaVallee, Adam M Pourcho, P Troy Henning, H Wayne Lambert
No abstract text is available yet for this article.
October 27, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29110725/tendon-split-lengthening-technique-for-flexor-hallucis-longus-tendon-rupture
#19
Jae Yong Park, Chenyu Wang, Hee Dong Kim, Hyong Nyun Kim
BACKGROUND: Flexor hallucis longus (FHL) tendon rupture is a challenging injury to lead with clawing of the great toe when the FHL tendon is repaired too tight. When the diagnosis is delayed, the tendon ends may not be opposable because of contracture or poor tendon tissue. METHODS: A technique to reconstruct FHL tendon rupture without a free tendon graft is described. A split tendon lengthening is performed at the midfoot around the knot of Henry. Ankle block anesthesia is used to allow the patient's active movement of the interphalangeal (IP) joint to determine the appropriate length of the reconstructed tendon for maintaining balance and preventing the tendon from being too tight or too loose...
November 6, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29110050/frequency-of-inflammatory-like-mr-imaging-findings-in-asymptomatic-fingers-of-healthy-volunteers
#20
Christoph A Agten, Andrea B Rosskopf, Maciej Jonczy, Florian Brunner, Christian W A Pfirrmann, Florian M Buck
OBJECTIVE: To describe the frequency of inflammatory-like findings on MR imaging in asymptomatic volunteers and compare them with patients with known rheumatoid arthritis and psoriatic arthritis. MATERIALS AND METHODS: MR images of fingers in 42 asymptomatic volunteers and 33 patients with rheumatoid/psoriatic arthritis were analyzed. The Outcome Measures in Rheumatology Clinical Trials (OMERACT) Rheumatoid/Psoriatic Arthritis MRI Scoring System (RAMRIS/PsAMRIS) and tenosynovitis scoring system were used to assess: bone marrow edema (BME), erosions, tendon sheath fluid/tenosynovitis, joint effusion, and soft-tissue edema...
November 6, 2017: Skeletal Radiology
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