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Finger flexor tendon

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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
#1
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/28881536/-mr-imaging-of-flexor-tendon-and-pulley-system-of-the-fingers-normal-anatomy-and-injury
#2
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/28878447/anterior-interosseous-nerve-palsy-mimicking-rupture-of-the-index-flexor-digitorum-profundus-after-volar-locking-plate-fixation-of-a-distal-radius-fracture
#3
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
#4
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/28856358/percutaneous-release-of-trigger-digits
#5
Noah D Weiss, Madeline B Richter
Stenosing flexor tenosynovitis, or trigger finger, has been treated with open, endoscopic, and percutaneous tendon sheath incisions. A comparison of techniques highlights increased cost, procedure time, and postoperative recovery associated with open surgical treatment. We conducted a study of the efficacy of percutaneous tendon sheath incision as a treatment for trigger digit. Using percutaneous tendon sheath incisions, a single surgeon treated 596 trigger digits (429 patients) over a 10-year period. Successful release was defined as symptom relief on follow-up, or patient request for no further treatment...
July 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28836453/readability-of-the-most-commonly-accessed-online-patient-education-materials-pertaining-to-pathology-of-the-hand
#6
Sheriff D Akinleye, Garret Garofolo-Gonzalez, Michael Montuori, Maya Deza Culbertson, Jennifer Hashem, David Marc Edelstein
BACKGROUND: The American Medical Association (AMA) and National Institutes of Health (NIH) recommend that patient education materials be written at no higher than a sixth-grade reading level. METHODS: We examined 100 online educational materials for the 10 hand conditions most commonly treated by hand surgeons, as reported by the American Society for Surgery of the Hand. The listed conditions were carpal tunnel syndrome, basal joint arthritis of the thumb, de Quervain syndrome, Dupuytren's contracture, ganglion cysts, hand fractures, trigger finger, extensor tendon injuries, flexor tendon injuries, and mallet finger...
August 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28835192/the-effect-of-adding-active-flexion-to-modified-kleinert-regime-on-outcomes-for-zone-1-to-3-flexor-tendon-repairs-a-prospective-randomized-trial
#7
István Zoltán Rigó, Jan-Ragnar Haugstvedt, Magne Røkkum
In a prospective randomized study, we studied whether adding active flexion to a modified Kleinert regime changed outcomes of flexor tendon repairs in zone 1, 2 and 3 in 73 fingers (53 patients). Evaluation included active range of finger motion, grip and pinch strengths. Twelve months after surgery, the increase in range of active finger motion after adding active flexion was insignificant compared with that with the modified Kleinert regime. According to the Strickland criteria, 20 out of 29 fingers had excellent or good recovery after adding active flexion, as did 28 out of 34 fingers with the modified Kleinert regime; we could not detect significant improvement of the good and excellent rate...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28832206/closed-partial-flexor-digitorum-profundus-rupture-an-unusual-cause-of-pediatric-trigger-finger
#8
Shane R Jackson, Meily Tan, Kim O Taylor
BACKGROUND: Trigger finger is a common condition, causing impaired gliding of the digital flexor tendons. Chronic inflammation is the usual cause, but acute trigger finger following partial tendon laceration has also been described. METHODS: We describe the case of a four year old girl who presented with inability to flex her index finger. Operative exploration revealed a closed partial rupture of the flexor digitorum profundus tendon, catching on the A2 pulley and preventing normal tendon gliding...
September 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28820835/simultaneous-stiles-bunnell-tendon-transfer-enhances-intrinsic-function-of-the-second-toe-transplantations
#9
Yu-Te Lin, Charles Yuen Yung Loh, Shwu-Huei Lien, Chih-Hung Lin, Fu-Chan Wei
Claw finger is sequelae of fingers without intrinsic function. Claw toe deformity is common after toe transfers as simultaneous intrinsic reconstruction has yet to be reported in the literature. We present our experience of simultaneous tendon transfers during the second toe transplantation. Seven 2nd toe transfers were performed in 5 metacarpal-like and metacarpal hands. The Stiles-Bunnell tendon transfer was incorporated into toe transfers. Toe lumbrical tendons were repaired to the Flexor Digitorum Sublimis of the same recipient digit...
August 8, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28817708/timing-and-extent-of-finger-force-enslaving-during-a-dynamic-force-task-cannot-be-explained-by-emg-activity-patterns
#10
Mojtaba Mirakhorlo, Huub Maas, DirkJan H E J Veeger
Finger enslaving is defined as the inability of the fingers to move or to produce force independently. Such finger enslaving has predominantly been investigated for isometric force tasks. The aim of this study was to assess whether the extent of force enslaving is dependent on relative finger movements. Ten right-handed subjects (22-30 years) flexed the index finger while counteracting constant resistance forces (4, 6 and 8 N) orthogonal to the fingertip. The other, non-instructed fingers were held in extension...
2017: PloS One
https://www.readbyqxmd.com/read/28807213/turkey-model-for-flexor-tendon-research-in%C3%A2-vitro-comparison-of-human-canine-turkey-and-chicken-tendons
#11
Assaf Kadar, Andrew R Thoreson, Ramona L Reisdorf, Peter C Amadio, Steven L Moran, Chunfeng Zhao
BACKGROUND: Flexor tendon injuries are one of the most common hand injuries and remain clinically challenging for functional restoration. Canine and chicken have been the most commonly used animal models for flexor tendon-related research but possess several disadvantages. The purpose of this study was to explore a potential turkey model for flexor tendon research. METHODS: The third digit from human cadaveric hands, canine forepaws, turkey foot, and chicken foot were used for this study...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28802438/investigation-of-index-finger-triggering-force-using-a-cadaver-experiment-effects-of-trigger-grip-span-contact-location-and-internal-tendon-force
#12
Joonho Chang, Andris Freivalds, Neil A Sharkey, Yong-Ku Kong, H Mike Kim, Kiseok Sung, Dae-Min Kim, Kihyo Jung
A cadaver study was conducted to investigate the effects of triggering conditions (trigger grip span, contact location, and internal tendon force) on index finger triggering force and the force efficiency of involved tendons. Eight right human cadaveric hands were employed, and a motion simulator was built to secure and control the specimens. Index finger triggering forces were investigated as a function of different internal tendon forces (flexor digitorum profundus + flexor digitorum superficialis = 40, 70, and 100 N), trigger grip spans (40, 50, and 60 mm), and contact locations between the index finger and a trigger...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28775106/flexion-deformity-of-the-finger-caused-by-tophaceous-gout-of-the-flexor-tendon
#13
Jonathan James Hyett Bray, Sebastien Crosswell, Iqbal Hashmat
No abstract text is available yet for this article.
August 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28774241/an-experimental-model-on-the-biomechanical-behaviour-of-the-flexor-tendons-in-new-zealand-rabbits
#14
D Skouteris, E Magnissalis, A Papalois, S Varitimidis, P J Papagelopoulos, A B Zoubos
BACKGROUND: In order to introduce new pharmacological agents with the intent to inhibit the adhesion formation, it is important to test such products on laboratory animals under a protocol that can evaluate the quantitative and qualitative aspects of healing of the tendons. Most experimental models focus on the tensile strength and histological analysis of the tendons, failing to sufficiently quantify the degree of the adhesion formation. METHODS: The experiment included six male New Zealand rabbits that underwent surgery of their right forepaws...
September 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28774233/disruption-of-flexor-tendon-after-intrasheath-triamcinolone-acetonide-injection-for-trigger-digits-two-case-reports
#15
Toshikazu Tanaka, Takeshi Ogawa, Takaji Yanai, Eriko Okano, Sho Kohyama, Naoyuki Ochiai
We experienced two cases of flexor tendons rupture after triamcinolone acetate (TA) injection for trigger finger. A 45-year-old man underwent injection of 40 mg of TA and 1 mL of 1% lidocaine solution into his little finger. While playing golf 3 months after the injection, he heard a popping sound, and was unable to flex it. A 57-year-old female nurse had undergone injection of 40 mg of TA and 1 mL of 1% lidocaine solution into her thumb twice at a 2-month interval. Two months after the second injection, she was unable to flex it...
September 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28766275/a-mini-invasive-tenolysis-of-the-flexor-tendons-following-hand-fractures-case-series
#16
A Leti Acciaro, M Lando, A Russomando, G Colzani
INTRODUCTION: The treatment of the flexor tendon adhesions following phalanx and metacarpal fractures, in closed or open injuries, is a great challenge for the hand surgeon. The outcomes are often poor, because of the severity of the lesion and the aggressiveness of the surgical procedure of the secondary tenolysis. MATERIALS AND METHODS: The authors describe the technical findings and the results of a new mini-invasive tenolysis in order to treat the adhesions in zone 1 and 2 of the fingers, following phalangeal and metacarpal fractures...
August 1, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28746282/outcomes-of-muscle-brachialis-transfer-to-restore-finger-flexion-in-brachial-plexus-palsy
#17
Brent R DeGeorge, Hillary A Becker, John H Faryna, Robert J Spinner, Allen T Bishop, Alexander Y Shin
BACKGROUND: In adults with lower trunk brachial plexus injury, proximal nerve surgery for restoration of prehension demonstrates poor outcomes secondary to long distances required for nerve regeneration and time-dependent degradation of motor endplates. Options for reconstruction are limited to distal tendon or nerve transfers and free-functioning muscle transfers. In this article, the authors describe the long-term outcomes of brachialis muscle-to-flexor digitorum profundus transfer to restore prehension in patients with traumatic lower trunk brachial plexus injuries...
August 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28728940/silicone-infusion-tubing-instead-of-hunter-rods-for-two-stage-zone%C3%A2-2-flexor-tendon-reconstruction-in-a-resource-limited-surgical-environment
#18
K Kibadi, F Moutet
The authors describe their experience using silicone infusion tubing in place of Hunter rods for two-stage zone 2 flexor tendon reconstruction in a resource-limited surgical environment. This case report features a 47-year-old, right-handed man who had no active PIP and DIP joint flexion in four fingers of the right hand 5 months after an injury. During the first repair stage, the A2 and A4 pulleys were reconstructed using an extensor retinaculum graft. An infusion tube was inserted instead of Hunter rods...
July 17, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28727585/closed-continuous-irrigation-with-lidocaine-and-immediate-mobilization-for-treatment-of-pyogenic-tenosynovitis
#19
Rebecca Knackstedt, Joyce Tyler, Steven Bernard
Pyogenic flexor tenosynovitis treatment consists of either closed continuous irrigation with sterile saline or antibiotic solution, or open debridement and irrigation. These treatment approaches serve to resolve the infection, but are extremely painful and residual stiffness can be devastating to the patient. We describe herein our approach to managing pyogenic flexor tenosynovitis. To provide continuous irrigation, a butterfly catheter with needle removed is utilized with irrigation holes cut into the tubing...
September 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28725123/polymicrobial-pyogenic-flexor-tenosynovitis-of-the-index-finger-and-first-ray-resulting-from-autophagia
#20
Andrew P Harris, Joey Johnson, Augusta Kluk, Neill Y Li, Avi D Goodman, Edward Akelman
Pyogenic flexor tenosynovitis (PFT) is a well known infectious condition of the hand, involving the inoculation of the flexor tendon sheath with microorganisms. Many cases have been reported, common causes including direct inoculation by a puncture wound and deep lacerations extending into the flexor tendon sheath. In this report, we present a case of a 50 year old female with PFT resulting from autophagia (consuming one's own body parts, in our case, fingers) successfully treated with irrigation and debridement, amputation of the index finger at the metacarpophalangeal joint and antibiotic therapy...
September 2017: Journal of Orthopaedics
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