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https://www.readbyqxmd.com/read/30303845/greater-arc-perilunate-injury-through-a-lunotriquetral-carpal-coalition-a-case-report
#1
Kate E Elzinga, John R Lien
CASE: A 31-year-old Caucasian man presented with a greater arc perilunate variant injury after falling from a friend's shoulders onto an outstretched hand. Imaging revealed a minimally displaced scaphoid waist fracture and a nondisplaced transverse fracture through a previously unrecognized lunotriquetral coalition. A volar intercalated segmental instability (VISI) deformity was present. Open reduction with osseous fixation (a headless compression screw for the scaphoid waist fracture and 3 Kirschner wires across the midcarpal joint) and repair of the torn volar ligaments partially restored the carpal alignment...
October 10, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/30296313/arthroscopically-guided-cannulated-headless-compression-screw-fixation-of-the-symptomatic-os-acromiale
#2
Zeke J Walton, Robert E Holmes, Shane K Woolf
Os acromiale is a failure of fusion between 1 or more ossification centers of the scapula and the acromion process. Pain can be caused by motion and impingement of the unfused segment. Several methods for the management of os acromiale have been described. Internal fixation is the most common surgical technique, followed by excision and acromioplasty. We present a novel technique for treatment of symptomatic os acromiale using arthroscopically-guided headless compression screws. This is a viable technique in the management of symptomatic os acromiale due to preservation of the periosteal blood supply and less concern for symptomatic hardware...
September 2018: American Journal of Orthopedics
https://www.readbyqxmd.com/read/30282554/a-functional-angle-of-up-to-35%C3%A2-at-the-distal-interphalangeal-joint-can-be-achieved-with-headless-compression-screw-fusion
#3
Helen M A Ingoe, Jonathan F O'Hare, Alan Middleton
BACKGROUND: Arthrodesis of the distal interphalangeal (DIP) joint reliably improves symptomatic arthritis. A range of successful surgical techniques including tension band wiring, plate fixation and headless compression screws have been described and produce stable painless unions. For best functional outcome, the fusion angle should be between 10 and 61 degrees. In the past, it has been difficult to achieve more than 10 degrees of flexion with a headless compression screw. Higher fusion angles have been reported using tension band wiring techniques...
September 2018: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/30215500/-effectiveness-of-tibio-talo-calcaneal-arthrodesis-with-full-thread-headless-compression-screws-via-combined-minimal-incisions
#4
Mingyu Yang, Meiming Xie, Jicheng Gong, Binghua Zhou, Miduo Mu, Yonghua Chen, Kanglai Tang
Objective: To investigate the effectiveness of tibio-talo-calcaneal arthrodesis with full thread headless compression screws via combined minimal incisions. Methods: Between January 2012 and December 2016, 36 patients (36 feet) with ankle diseases underwent tibio-talo-calcaneal arthrodesis with parallel double thread headless compression screws via minimal anterior and lateral oblique incisions. There were 14 males and 22 females with an average age of 53.8 years (mean, 18-76 years)...
October 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/30180221/headless-compression-screw-fixation-of-vertical-medial-malleolus-fractures-is-superior-to-unicortical-screw-fixation
#5
Adam M Wegner, Philip R Wolinsky, Michael A Robbins, Tanya C Garcia, Sukanta Maitra, Derek F Amanatullah
This study is the first biomechanical research of headless compression screws for fixation of vertical shear fractures of the medial malleolus, a promising alternative that potentially offers several advantages for fixation. Vertical shear fractures were simulated by osteotomies in 20 synthetic distal tibiae. Models were randomly assigned to fixation with either 2 parallel cancellous screws or 2 parallel Acutrak 2 headless compression screws (Acumed). Specimens were subjected to offset axial loading to simulate supination-adduction loading and tracked using high-resolution video...
August 2018: American Journal of Orthopedics
https://www.readbyqxmd.com/read/30179724/comparison-of-volar-versus-dorsal-screw-fixation-for-scaphoid-waist-fractures-a-finite-element-analysis
#6
Baver Acar, Ozkan Kose, Yusuf Alper Kati, Omer Faruk Egerci, Adil Turan, Halil Yalcın Yuksel
PURPOSE: Scaphoid waist fractures may be fixed through volar or dorsal screw fixation. However, there is no consensus on which surgical fixation method should be performed. The purpose of this study was to compare volar versus dorsal screw fixation of scaphoid waist fractures under physiological loading conditions utilizing finite element analysis. METHODS: A transverse scaphoid waist fracture (Herbert type B2) model was fixed with a headless cannulated compression screw using either a volar or dorsal approach...
September 1, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/30174989/micro-screw-fixation-for-small-proximal-pole-scaphoid-fractures-with-distal-radius-bone-graft
#7
Joseph J Schreiber, Lana Kang, Krystle A Hearns, Tracy Pickar, Michelle G Carlson
Background  Achieving adequate fixation and healing of small proximal pole acute scaphoid fractures can be surgically challenging due to both fragment size and tenuous vascularity. Purpose  The purpose of this study was to demonstrate that this injury can be managed successfully with osteosynthesis using a "micro" small diameter compression screw with distal radius bone graft with leading and trailing screw threads less than 2.8 mm. Patients and Methods  Patients with proximal pole scaphoid fragments comprising less than 20% of the entire scaphoid were included...
September 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/30124071/effect-of-screw-length-and-geometry-on-interfragmentary-compression-in-a-simulated-proximal-pole-scaphoid-fracture-model
#8
Samik Patel, Juan M Giugale, Richard E Debski, John R Fowler
BACKGROUND: The objective of this study was to determine interfragmentary compression forces based on screw length and geometry for simulated proximal scaphoid fractures. METHODS: Sixty-four foam model simulated fractures were stabilized with screws of various length (10 mm, 18 mm, 20 mm, or 24 mm) and geometry (central threadless or fully threaded) across a proximal fracture. Interfragmentary compression was measured at the simulated fracture site upon fixation...
August 20, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/30075035/biomechanical-analysis-of-a-novel-buried-fixation-technique-using-headless-compression-screws-for-the-treatment-of-patella-fractures
#9
Alisa Alayan, Ruben Maldonado, Landon Polakof, Atul Saini, Melodie Metzger, Carol Lin, Charles Moon
The traditional technique for patella fracture fixation utilizes prominent hardware. Prominent hardware use, however, results in a high rate of reoperation for symptomatic implant removal. This biomechanical study evaluates the effectiveness of a novel patella fixation technique that minimizes implant prominence. Patellar transverse osteotomies were created in 13 pairs of cadaveric knees. Paired knees were assigned to either standard fixation (SF) using cannulated partially threaded screws and stainless steel wire tension band, or buried fixation (BF) using headless compression screws with a No...
July 2018: American Journal of Orthopedics
https://www.readbyqxmd.com/read/30037642/does-fully-threaded-headless-compression-screw-provide-a-length-stable-fixation-in-undisplaced-femoral-neck-fractures
#10
Ming-Hung Chiang, Chun-Liang Wang, Shau-Huai Fu, Chih-Chien Hung, Rong-Sen Yang
OBJECTIVE: Femoral neck shortening is a common complication after surgical treatment for intracapsular femoral neck fractures. This study investigated whether fully-threaded Headless Compression Screw (FTHCS) can be a more length-stable implant than partially-threaded cannulated screw (PTCS) in reducing femoral neck shortening. METHODS: A total of 50 patients with undisplaced femoral neck fractures (17 treated by internal fixation with three FTHCS, and 33 treated by three PTCS) from 2011 to 2014 were enrolled in this study...
July 20, 2018: Asian Journal of Surgery
https://www.readbyqxmd.com/read/30034898/missed-capitellar-fracture-caused-by-avoidance-of-radiological-evaluation-in-pregnancy
#11
Barış Polat, Ramadan Özmanevra, Deniz Aydın, Enes Sarı, Mehmet Yalçınozan
In this paper, we report a pregnant woman with a missed capitellar fracture of the elbow, who was treated successfully with open reduction and internal fixation using two headless screws. A 29-year-old 6-month pregnant woman presented to the emergency department due to a history of falling on her outstretched hand. A long-arm splint was applied without radiological evaluation due to pregnancy. She came to the orthopaedics and traumatology outpatient clinic 6 weeks after trauma and her examination after splint removal revealed pain and restriction in the elbow joint movements...
2018: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/30016610/a-comparative-study-of-three-commonly-used-fixation-techniques-for-isolated-medial-malleolus-fracture
#12
Alauddin Kochai, Mehmet Türker, Özgür Çiçekli, Uğur Özdemir, Levent Bayram, Ünal Erkorkmaz, Erhan Şükür
OBJECTIVES: This study aims to compare the three most commonly used fixation techniques: tension-band wire fixation, partially threaded cannulated screws, and fully threaded cannulated headless compression screws. PATIENTS AND METHODS: Ninety patients with medial malleolus fractures were included in the study. Patients were divided into three groups. Group A included patients who underwent tension-band wire fixation (n=26), Group B partially threaded cannulated compression screws (n=32), and Group C fully threaded cannulated headless compression screws (n=32)...
August 2018: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/29922495/arthroscopic-reduction-association-of-the-scapholunate-with-an-absorbable-screw
#13
João Torrinha Jorge, Ana Ferrão, Sandra Alves, Ruben Caetano, Frederico Teixeira
Background  The treatment of chronic scapholunate instability is yet a controversial topic. Arthroscopic reduction-association scapholunate technique is a minimally invasive option in which a stable pseudoarthrosis at the scapholunate joint is obtained, allowing some degree of movement while maintaining the normal alignment of the wrist. The purpose of this study was to review the results of arthroscopic reduction-association scapholunate with an absorbable screw. Methods  We retrospectively evaluated patients with dynamic or static, but reducible, chronic scapholunate instability who underwent arthroscopic reduction-association scapholunate between 2012 and 2015...
July 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29850523/ordinary-cannulated-compression-screws-or-headless-cannulated-compression-screws-a-synthetic-bone-biomechanical-research-in-the-internal-fixation-of-vertical-femoral-neck-fracture
#14
Baokun Zhang, Jingwen Liu, Wei Zhang
Purpose: The purpose of this study is to verify whether the headless cannulated compression screw (HCCS) has higher biomechanical stability than the ordinary cannulated compression screw (OCCS) in the treatment of vertical femoral neck fractures. Materials and Methods: 30 synthetic femur models were equally divided into 2 groups, with 50°, 60°, and 70° Pauwels angle of femoral neck fracture, under 3D printed guiding plates and C-arm fluoroscopic guidance. The femur molds were fixed with three parallel OCCSs as OCCS group and three parallel HCCSs as HCCS group...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29782446/minimally-invasive-proximal-interphalangeal-joint-arthrodesis-using-headless-screw-surgical-technique
#15
Elizabeth A Newman, Maria C Orbay, Fiesky A Nunez, Fiesky Nunez
Proximal interphalangeal (PIP) joint arthritis causes debilitating hand pain and instability leading to significant functional impairment. Arthrodesis remains the gold standard for treatment of PIP arthritis. We present a minimally invasive PIP arthrodesis that provides rigid fixation with a headless compression screw. Seven patients who presented to the senior author with PIP joint arthritis underwent PIP arthrodesis by minimally invasive technique. A 1 cm transverse incision is made over the PIP joint, incising skin, central band, and articular capsule...
June 2018: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/29709352/radial-head-fracture-fixation-using-tripod-technique-with-headless-compression-screws
#16
REVIEW
Marc D Lipman, Trenton M Gause, Victor A Teran, A Bobby Chhabra, D Nicole Deal
Radial head and neck fractures are one of the most common elbow fractures, comprising 2% to 5% of all fractures, and 30% of elbow fractures. Although uncomplicated Mason type I fractures can be managed nonsurgically, Mason type II-IV fractures require additional intervention. Mason type II-III fractures with 3 or fewer fragments are typically treated with open reduction and internal fixation using 2 to 3 lag screws. Transverse radial neck involvement or axial instability with screw-only fixation has historically required the additional use of a mini fragment T-plate or locking proximal radius plate...
June 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29696362/fixation-of-medial-malleolar-fractures-with-magnesium-bioabsorbable-headless-compression-screws-short-term-clinical-and-radiological-outcomes-in-eleven-patients
#17
Ozkan Kose, Adil Turan, Melih Unal, Baver Acar, Ferhat Guler
OBJECTIVE: The purpose of this retrospective study was to evaluate the outcome of medial malleolar fractures treated with magnesium (MgYREZr) bioabsorbable compression screw fixation. MATERIALS AND METHODS: Eleven patients with a medial malleolar fracture (either isolated or accompanied by bimalleolar or trimalleolar ankle fractures) who were treated with magnesium bioabsorbable compression screws between 2015 and 2016 in our hospital were retrospectively evaluated...
August 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29616587/biomechanical-strength-of-retrograde-fixation-in-proximal-third-scaphoid-fractures
#18
Charles A Daly, Allison L Boden, William C Hutton, Michael B Gottschalk
BACKGROUND: Current techniques for fixation of proximal pole scaphoid fractures utilize antegrade fixation via a dorsal approach endangering the delicate vascular supply of the dorsal scaphoid. Volar and dorsal approaches demonstrate equivalent clinical outcomes in scaphoid wrist fractures, but no study has evaluated the biomechanical strength for fractures of the proximal pole. This study compares biomechanical strength of antegrade and retrograde fixation for fractures of the proximal pole of the scaphoid...
April 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29604557/headless-compression-screw-for-horizontal-medial-malleolus-fractures
#19
Robin Z Cheng, Adam M Wegner, Anthony W Behn, Derek F Amanatullah
BACKGROUND: Horizontal medial malleolus fractures are caused by the application of rotational force through the ankle joint in several orientations. Multiple techniques are available for the fixation of medial malleolar fractures. METHODS: Horizontal medial malleolus osteotomies were performed in eighteen synthetic distal tibiae and randomized into two fixation groups: 1) two parallel unicortical cancellous screws or 2) two Acutrak 2 headless compression screws...
June 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29551527/isolated-medial-malleolus-fractures-conventional-techniques-versus-headless-compression-screw-fixation
#20
Tugrul Bulut, Merve Gursoy
The aim of the present study was to evaluate the clinical and radiologic results of surgically treated isolated medial malleolar fractures and compare the clinical and radiologic results of the fixation methods of headless cannulated fully threaded compression screws and cancellous lag screws and tension band wiring. We included 32 patients who attended the final follow-up examination. Group 1 consisted of 11 patients (34.4%) treated with headless cannulated fully threaded compression screws. Group 2 consisted of 10 patients (31...
May 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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