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Chih-Kai Hong, Kai-Lan Hsu, Fa-Chuan Kuan, Cheng-Li Lin, Ming-Long Yeh, Wei-Ren Su
PURPOSE: To compare the biomechanical properties of an transtendinous all-suture anchor technique with the commonly-accepted interference screw technique in a cadaveric model. METHODS: Sixteen fresh-frozen human cadaveric shoulders (mean age, 67.6 ± 5.8 years) were used and were randomly divided into 2 experimental long head of the biceps brachii (LHB) tenodesis groups (n = 8), namely transtendinous all-suture anchor technique and interference screw technique...
February 23, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
John A Ruder, Ephraim Y Dickinson, Nahir Habet, Richard D Peindl, Donald F D'Alessandro, James E Fleischli
PURPOSE: To determine if the depth of anchor insertion affects the biomechanical performance of a 1.5-mm all-suture anchor in glenoid bone. METHODS: A 1.5-mm all-suture anchor was tested in 8 matched pairs of human cadaver fresh-frozen glenoids. Anchors were inserted at 6 different locations and tested at 3 different depths: 21 mm (preset drilling depth), 17 mm, and 13 mm. Cyclic loading and destructive testing was performed. Displacement after 100 and 200 cycles, along with ultimate failure strength, was determined...
February 15, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
Matthew P Noyes, Evan Lederman, Christopher R Adams, Patrick J Denard
PURPOSE: To compare the biomechanical properties of single-row repair with triple-loaded (TL) anchor repair versus a knotless rip stop (KRS) repair in a rotator cuff repair model. METHODS: Rotator cuff tears were created in 8 cadaveric matched-pair specimens and repaired with a TL anchor or KRS construct. In the TL construct, anchors were placed in the greater tuberosity and then all suture limbs were passed through the rotator cuff as simple sutures and tied. In the KRS construct, a 2-mm suture tape was passed through the tendon in an inverted mattress fashion, and a free suture was passed medial to the suture tape to create a rip-stop...
February 15, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
Kenneth R Brooks
Horizontal cleavage and horizontal oblique meniscal tears have traditionally been treated with partial meniscectomy. Recent research has shown the deleterious long-term effects of meniscectomy in these patients regarding the development of osteoarthritis. Meniscal preservation is thus the preferred method of surgical treatment in patients with these tears. However, traditional repair techniques using inside-out sutures or suture anchor-based devices do not address the horizontally aligned nature of these particular tears and thus do not compress the meniscal tissue in the correct plane...
October 2017: Arthroscopy Techniques
Paolo Consigliere, Natasha Morrissey, Mohamed Imam, A Ali Narvani
Arthroscopic Bankart repair is now a well-established technique for the treatment of shoulder instability. However, failure rates are considerable when significant bony defects are not addressed. Hill-Sachs lesions, present in the vast majority of those with recurrent anterior instability, when of significant dimension and location, may account for some of these failures. The remplissage procedure involves capsulotenodesis of the posterior capsule and the infraspinatus tendon to fill the Hill-Sachs lesion. "Double-pulley" remplissage is a transtendinous technique that has been described elsewhere and that may simplify the procedure...
October 2017: Arthroscopy Techniques
J W Thomas Byrd, Kay S Jones, Cynthia L Loring, Stephanie L Sparks
PURPOSE: To report on the incidence and features of intraoperative anchor pullout in a consecutive series of patients undergoing arthroscopic labral repair of the hip. METHODS: Over an 18-month period, 434 consecutive cases underwent labral repair by a single surgeon with a particular anchor system. The following data were recorded: (1) age and gender of all cases; (2) number of anchors used; (3) number of cases in which intraoperative anchor failure occurred; (4) number of anchors that failed; and (5) age and gender of those cases in which anchor failure occurred...
January 17, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
Nina R Kieves, Alexander I Krebs, Eric M Zellner
Initial and maximum intraluminal leak pressures of four enterotomy closures were compared. Closure patterns included a modified Gambee, simple interrupted, simple continuous, and skin staple closure. Forty-eight 3-cm enterotomy constructs were created from jejunal segments harvested from 12 dogs. Twelve each were randomly assigned to the four closure methods. Time of closure, as well as initial and maximum leak pressures, were measured and compared. The modified Gambee closure was the slowest closure to perform, with skin staple closure being the fastest...
January 26, 2018: Journal of the American Animal Hospital Association
Drew Lansdown, Eamon D Bernardoni, Eric J Cotter, Anthony A Romeo, Nikhil N Verma
Bony Bankart lesions are a common finding in patients with anterior glenohumeral dislocation. Although there are no defined guidelines, small bony Bankart fractures are typically treated arthroscopically with suture anchors. The 2 main techniques used are double- and single-row suture anchor stabilization, with debate over superiority. Biomechanical studies have shown improved reduction and stabilization with the double-row over the single-row suture anchor technique; however, this has not been reported for small or comminuted bony fragments...
December 2017: Arthroscopy Techniques
Chih-Kai Hong, Cheng-Li Lin, Fa-Chuan Kuan, Ping-Hui Wang, Ming-Long Yeh, Wei-Ren Su
PURPOSE: The purpose of this study was to compare the biomechanical properties among the different double Krackow suture techniques for tendon graft fixation. METHODS: Thirty porcine flexor profundus tendons were randomly divided into 3 groups of 10 specimens each. Three different double Krackow suture techniques were evaluated, namely, the McKeon's double Krackow (MDK) suture, Wilson's double Krackow (WDK) suture, and Ostrander's modified Krackow (OMK) suture. All suture configurations were completed with a braided nonabsorbable suture...
March 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
Hsin-Hua Liu, Liwei Zhang, Meng Shi, Lu Chen, John G Flanagan
Animal models of ocular hypertension are important tools for glaucoma studies. Both acute transient models and chronic models of ocular hypertension may be useful to investigate specific aspects of neurodegeneration. In this study, we compare the intraocular pressure (IOP) and inner retinal changes induced by 1) laser photocoagulation of both episcleral veins and limbal vessels and 2) circumlimbal suture in CD-1 mice. The suture group is divided into 3 subgroups depending on the level of the immediate IOP spike (acute > 55 mmHg or chronic < 55 mmHg) and time period of monitoring (7 or 28 days)...
2017: PloS One
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...
January 2018: Cornea
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
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
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
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
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
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
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
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
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
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