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https://www.readbyqxmd.com/read/29095753/effect-of-suture-removal-on-refraction-and-graft-curvature-after-deep-anterior-lamellar-keratoplasty-in-patients-with-keratoconus
#1
Sepehr Feizi, Mohammad Ali Javadi, Nazanin Behnaz, Sadaf Fani-Hanife, Mohammad Reza Jafarinasab
PURPOSE: To evaluate the effect of suture removal on refraction and keratometry measurements after deep anterior lamellar keratoplasty (DALK). METHODS: This retrospective study enrolled 54 keratoconus-affected eyes that underwent DALK. A combined suturing technique consisting of a 16-bite single running and 8-bite interrupted 10-0 nylon sutures was used at the time of keratoplasty. Selective interrupted suture removal was performed in a subgroup of patients to reduce postkeratoplasty astigmatism...
October 31, 2017: Cornea
https://www.readbyqxmd.com/read/28932339/penetrating-keratoplasty-for-keratoconus-excimer-versus-femtosecond-laser-trephination
#2
Berthold Seitz, Achim Langenbucher, Tobias Hager, Edgar Janunts, Moatasem El-Husseiny, Nora Szentmáry
BACKGROUND: In case of keratoconus, rigid gas-permeable contact lenses as the correction method of first choice allow for a good visual acuity for quite some time. In a severe stage of the disease with major cone-shaped protrusion of the cornea, even specially designed keratoconus contact lenses are no more tolerated. In case of existing contraindications for intrastromal ring segments, corneal transplantation typically has a very good prognosis. METHODS: In case of advanced keratoconus - especially after corneal hydrops due to rupture of Descemet's membrane - penetrating keratoplasty (PKP) still is the surgical method of first choice...
2017: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/28932288/tension-band-suture-fixation-for-olecranon-fractures
#3
Joideep Phadnis, Adam C Watts
Olecranon fractures are common and often require surgical treatment when displaced. Traditional methods of stabilization using tension band wire fixation and plate fixation achieve adequate union and function but are associated with a high rate of re-operation and wound problems because of prominent metalwork. The purpose of the present article is to describe an all suture technique for fixation of simple olecranon fractures that maintains inter-fragmentary compression, provides bony union and reduces the rate of re-operation caused by prominent metalwork...
October 2017: Shoulder & Elbow
https://www.readbyqxmd.com/read/28926875/-effects-of-perforator-flaps-combined-with-muscle-flaps-for-repairing-grade-%C3%A2-pressure-ulcers-in-ischial-tuberosity-of-elderly-patients
#4
W G Su, D P Li, P P Xing, L G Xu, F C Shi, B Wen, X H Niu
Objective: To explore effects of perforator flaps combined with muscle flaps for repairing grade Ⅳ pressure ulcers in ischial tuberosity of elderly patients. Methods: Nine elderly patients with grade Ⅳ pressure ulcers in ischial tuberosity were hospitalized in our burn ward from April 2014 to April 2017. Size of wounds ranged from 5 cm×3 cm to 12 cm×7 cm, and depth of sinus ranged from 6 to 22 cm. After admission, emergency debridement or debridement in selective time was performed. After debridement, the wounds were treated with continuous vacuum assisted closure therapy...
September 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28893543/effect-of-piezoelectric-sutural-ostectomies-on-accelerated-bone-borne-sutural-expansion
#5
Akram S Alyessary, Adrian U J Yap, Siti A Othman, Mohammad T Rahman, Zamri Radzi
PURPOSE: The present study investigated the effect of piezoelectric sutural ostectomies on accelerated bone-borne sutural expansion. MATERIALS AND METHODS: Sixteen male New Zealand white rabbits (20 to 24 weeks old) were randomly divided into 4 experimental groups (n = 4): group 1, conventional rapid sutural expansion; group 2, accelerated sutural expansion; group 3, accelerated sutural expansion with continuous ostectomy; and group 4, accelerated sutural expansion with discontinuous ostectomy...
August 17, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28732845/posterior-interosseous-nerve-to-the-superficial-branch-of-the-ulnar-nerve-transfer-at-the-distal-third-of-the-forearm-through-a-single-anterior-approach-anatomical-feasibility-study
#6
G Menu, J J Hidalgo Diaz, E Pire, P Clavert, S Facca, P Liverneaux
The purpose of this study was to determine in a cadaver model, whether transfer of the posterior interosseous nerve (PIN) to the superficial branch of the ulnar nerve (SBUN) by a single approach was feasible. The experiment was carried out on five fresh cadavers. The ulnar nerve was split into its motor branches and the SBUN. The PIN was collected behind the interosseous membrane and sutured to the SBUN on its anterior surface. All sutures were tensionless and technically possible with the PIN's diameter being at least 50% of the SBUN's diameter in all cases...
October 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28706821/arthroscopic-transtendinous-biceps-tenodesis-with-all-suture-anchor
#7
Chien-An Shih, Florence L Chiang, Chih-Kai Hong, Cheng-Wei Lin, Ping-Hui Wang, I-Ming Jou, Wei-Ren Su
There are several methods for long head of the biceps (LHB) tenodesis, yet the optimal option is still debatable. Here we introduce a technique for arthroscopic suprapectoral biceps tenodesis with an all-suture anchor, the transtendinous biceps tenodesis technique. The LHB tenodesis is performed by using the Y-Knot anchor (1.3-mm). A standard suprapectoral approach is used for the tenodesis. A 1.3-mm drill bit is used to drill through the midportion of the biceps tendon and underlying bone to make a pilot hole...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28652162/holding-strength-of-a-hem-o-lok-lapra-ty-clip-combination-on-sutures-used-during-partial-nephrectomy
#8
Bikal Paka, Robert Bossemeyer, Mouafak Tourojman, Ruchir Gupta, Brian R Lane
OBJECTIVE: To investigate the anti-slip strength of closing systems employing sutures terminated with a Hem-o-lok/Lapra-Ty clip combination to determine which sutures perform best for this application. Partial nephrectomy is the reference standard for treatment of small renal masses. The main disadvantage of partial nephrectomy is the risk of technical complications, including renorrhaphy site bleeding and urine leak. MATERIALS AND METHODS: A materials testing system produced a constant velocity pull on the free end of an anchored suture...
June 23, 2017: Urology
https://www.readbyqxmd.com/read/28625583/bridging-suture-makes-consistent-and-secure-fixation-in-double-row-rotator-cuff-repair
#9
Tetsutaro Fukuhara, Teruhisa Mihata, Bong Jae Jun, Masashi Neo
BACKGROUND: Inconsistent tension distribution may decrease the biomechanical properties of the rotator cuff tendon after double-row repair, resulting in repair failure. The purpose of this study was to compare the tension distribution along the repaired rotator cuff tendon among three double-row repair techniques. METHODS: In each of 42 fresh-frozen porcine shoulders, a simulated infraspinatus tendon tear was repaired by using 1 of 3 double-row techniques: (1) conventional double-row repair (no bridging suture); (2) transosseous-equivalent repair (bridging suture alone); and (3) compression double-row repair (which combined conventional double-row and bridging sutures)...
June 15, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28580273/all-suture-repair-for-compressive-rotator-cuff-tears-reducing-the-traction-of-the-tissue
#10
Néstor A Zurita Uroz, Ferran Abat, Angel Calvo Diaz
Tears of the rotator cuff are a frequent pathology, but the best surgical procedure remains unclear. The arthroscopic approach has become the gold standard, but there are many different suture configurations that can be used. We describe an all-suture repair system with which the anatomical reduction of the rotator cuff is achieved performing traction from the anchor of the lateral row to subsequently performing a suture bridge suture from the medial row. The major advantage of this technique is that it creates compression forces and minimizing tensioning of the tissue...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28578762/editorial-commentary-all-suture-anchors-foam-blocks-and-biomechanical-testing
#11
EDITORIAL
Jefferson C Brand
Barber's biomechanical work is well known to Arthroscopy's readers as thorough, comprehensive, and inclusive of new designs as they become available. In "All-Suture Anchors: Biomechanical Analysis of Pullout Strength, Displacement, and Failure Mode," the latest iteration, Barber and Herbert test all-suture anchors in both porcine femurs and biphasic foam. While we await in vivo clinical trials that compare all-suture anchors to currently used anchors, Barber and Herbert have provided data to inform anchor choice, and using their biomechanical data at time zero from all-suture anchor trials in an animal model, we can determine the anchors' feasibility for human clinical investigations...
June 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28538066/radial-forearm-osteocutaneous-free-flap-for-reconstruction-of-hard-palate-with-alveolar-defect
#12
Euicheol C Jeong, Sehoon Yoon, Young Ho Jung
The radial forearm free flap is beneficial for reconstruction of large palatal defect with oronasal fistula.A 51-year-old male patient who had anterior palate defect including alveolus after the radiation therapy of malignant cancer on the nasopharyngeal area undertook the radial forearm osteocutaneous free flap to close the oronasal fisula and restore the alveolar arch. The small radial bone segment was fixed in the alveolar defect and vascular anastomoses were performed with facial vessels in neck. The donor site was closed with split thickness skin graft...
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28489719/microkeratome-assisted-anterior-lamellar-keratoplasty-for-the-correction-of-high-degree-postkeratoplasty-astigmatism
#13
Shay Gutfreund, Pia Leon, Massimo Busin
PURPOSE: To describe the surgical technique and report the outcomes of patients treated with microkeratome-assisted anterior lamellar keratoplasty (MALK) for the correction of high-degree postkeratoplasty astigmatism. METHODS: Four eyes of 2 patients with extremely high (>10 D) and irregular [surface asymmetry index >1.0 D] post-penetrating keratoplasty astigmatism occurring after complete suture removal underwent MALK and were followed for at least 3 years after the procedure...
July 2017: Cornea
https://www.readbyqxmd.com/read/28476372/editorial-commentary-are-all-suture-anchors-as-good-as-conventional-anchors
#14
EDITORIAL
F Alan Barber
Research in this issue, like other biomechanical testing, suggests that the all-suture anchors studied here seem strong enough for glenoid and acetabular applications. Testing suture anchors in nonbiologic material may be problematic unless that material is validated or there is a control. The cyclic loads used influence the data, and oscillating between 10 and 50 N does not allow for sufficient anchor performance differentiation. The next question is whether there will be any adverse events associated with the use of all-suture anchors clinically...
May 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28183836/low-dose-ct-for-craniosynostosis-preserving-diagnostic-benefit-with-substantial-radiation-dose-reduction
#15
J C Montoya, L J Eckel, D R DeLone, A L Kotsenas, F E Diehn, L Yu, A C Bartley, R E Carter, C H McCollough, J G Fletcher
BACKGROUND AND PURPOSE: Given the positive impact of early intervention for craniosynostosis, CT is often performed for evaluation but radiation dosage remains a concern. We evaluated the potential for substantial radiation dose reduction in pediatric patients with suspected craniosynostosis. MATERIALS AND METHODS: CT projection data from pediatric patients undergoing head CT for suspected craniosynostosis were archived. Simulated lower-dose CT images corresponding to 25%, 10%, and 2% of the applied dose were created using a validated method...
April 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28167489/mechanical-properties-of-all-suture-anchors-for-rotator-cuff-repair
#16
N S Nagra, N Zargar, R D J Smith, A J Carr
OBJECTIVES: All-suture anchors are increasingly used in rotator cuff repair procedures. Potential benefits include decreased bone damage. However, there is limited published evidence for the relative strength of fixation for all-suture anchors compared with traditional anchors. MATERIALS AND METHODS: A total of four commercially available all-suture anchors, the 'Y-Knot' (ConMed), Q-FIX (Smith & Nephew), ICONIX (Stryker) and JuggerKnot (Zimmer Biomet) and a traditional anchor control TWINFIX Ultra PK Suture Anchor (Smith & Nephew) were tested in cadaveric human humeral head rotator cuff repair models (n = 24)...
February 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28132809/cyclic-and-load-to-failure-properties-of-all-suture-anchors-in-synthetic-acetabular-and-glenoid-cancellous-bone
#17
Nathan P Douglass, Anthony W Behn, Marc R Safran
PURPOSE: To evaluate the cyclic displacement, maximum load to failure, and failure mode of multiple all-suture anchors (ASAs) in 2 different densities of sawbones cancellous bone substitute. METHODS: Anchors tested included the Suturefix Ultra 1.7 mm, JuggerKnot 1.45 mm (No. 1 and No. 2 MaxBraid) and 2.9 mm, Y-Knot Flex 1.3 mm and 1.8 mm, Iconix 1, 2, 25, and 3, Q-Fix 1.8 mm, and Bioraptor 2.3 PK. The Bioraptor served as a non-all-suture-based control. Seven to eleven anchors were tested in both 20 and 30 pounds per cubic foot (pcf) test blocks that were chosen to simulate glenoid and acetabular cancellous bone, respectively...
May 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28017468/all-suture-anchors-biomechanical-analysis-of-pullout-strength-displacement-and-failure-mode
#18
F Alan Barber, Morley A Herbert
PURPOSE: To evaluate the biomechanical and design characteristics of all-suture anchors. METHODS: All-suture anchors were tested in fresh porcine cortical bone and biphasic polyurethane foam blocks by cyclic loading (10-100 N for 200 cycles), followed by destructive testing parallel to the insertion axis at 12.5 mm/s. Endpoints included ultimate failure load, displacement at 100 and 200 cycles, stiffness, and failure mode. Anchors tested included JuggerKnot (1...
June 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28012635/the-effect-of-capsulotomy-and-capsular-repair-on-hip-distraction-a-cadaveric-investigation
#19
COMPARATIVE STUDY
M Michael Khair, Jeffrey S Grzybowski, Benjamin D Kuhns, Thomas H Wuerz, Elizabeth Shewman, Shane J Nho
PURPOSE: To quantify how increasing interportal capsulotomy size affects the force required to distract the hip and to biomechanically compare simple side-to-side suture repair to acetabular-based suture anchors as capsular repair techniques. METHODS: Twelve fresh-frozen cadaveric hip specimens were dissected to the capsuloligamentous complex of the hip joint and fixed in a material testing system, such that a pure axial distraction of the iliofemoral ligament could be achieved...
March 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27822894/do-needleless-knots-have-similar-strength-as-the-krackow-suture-an-in-vitro-porcine-tendon-study
#20
Chih-Kai Hong, Ting-Hsuan Kuo, Ming-Long Yeh, I-Ming Jou, Cheng-Li Lin, Wei-Ren Su
BACKGROUND: Numerous needleless techniques for tendon graft fixation that feature several advantages have been reported. However, there are few studies that have compared the holding strength between the needleless techniques (rolling hitch and modified rolling hitch) and traditional suture methods. QUESTIONS/PURPOSES: To compare the tendon graft-holding strength of the rolling hitch and modified rolling hitch with the Krackow stitch in an in vitro porcine biomechanical model...
February 2017: Clinical Orthopaedics and related Research
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