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Ahmet Emrah Acan, Onur Hapa, Levent Horoz, Aylin Kara, Hasan Havıtçıoğlu
OBJECTIVES: This study aims to evaluate the effects of anchor positions on the suture holding strength of a double-row knotless fixation in rotator cuff repair. MATERIALS AND METHODS: Four different double-row fixation techniques were assessed. In group 1, a 15-mm-wide mattress suture was fixed using a knotless lateral row anchor, horizontal to the shaft. In group 2, the medial sutures were fixed with a 5-mm more lateral anchor that was placed at 45° to the long axis of the humeral shaft...
April 2018: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
Jianfei Ye, Shudong Zhang, Xiaojun Tian, Guoliang Wang, Lei Zhao, Lulin Ma
Objective Laparoscopic knot-tying and suturing are the most difficult steps in shortening the warm ischemia time and learning curve of laparoscopic nephron-sparing surgery. This study was performed to demonstrate the safety, oncological efficacy, and technical tips of sutureless retroperitoneal laparoscopic nephron-sparing surgery (RPNSS). Methods This retrospective study included 78 cases of RPNSS using a sutureless technique and 126 cases of RPNSS using a single-layer barbed self-retaining suture technique performed from December 2012 to December 2016...
January 1, 2018: Journal of International Medical Research
Spyridon Dimopoulos, Vasileios Dimopoulos, Gunnar Blumenstock, Hugo Trevino-Rodriguez, Karl Ulrich Bartz-Schmidt, Martin S Spitzer, Bogomil Voykov
PURPOSE: To assess the long-term results and complications of scleral-fixated posterior chamber intraocular lenses (PC IOLs) with the knotless Z-suture technique. SETTING: University Eye Hospital, Tübingen, Germany. DESIGN: Retrospective case series. METHODS: Records of consecutive patients who had implantation of scleral-fixated PC IOLs with the knotless Z-suture technique with a minimum follow-up of 3 years were reviewed...
March 2, 2018: Journal of Cataract and Refractive Surgery
David Peleg, Ronan Said Ahmad, Steven L Warsof, Naama Marcus-Braun, Yael Sciaky-Tamir, Inbar Ben Shachar
BACKGROUND: Knotless barbed sutures are monofilament sutures with barbs cut into them. These sutures self-anchor, maintaining tissue approximation without the need for surgical knots. OBJECTIVE: The hypothesis of this study was that knotless barbed suture could be used on the myometrium to close the hysterotomy at cesarean delivery. The objective was to compare uterine closure time, need for additional sutures, and blood loss between this and a conventional suture...
March 2018: American Journal of Obstetrics and Gynecology
Tae-Han Kim, Ji-Ho Park, Sang-Ho Jeong, Jin-Kwon Lee, Seung-Jin Kwag, Ju-Yeon Kim, Woohyung Lee, Jung-Woo Woo, Jae Yool Jang, Eun-Jin Song, Taejin Park, Chi-Young Jeong, Young-Tae Ju, Eun-Jung Jung, Soon-Chan Hong, Sang-Kyung Choi, Woo-Song Ha, Young-Joon Lee
BACKGROUND: Laparoscopic primary repair is one of the main procedures used for perforated gastric ulcers, and this technique requires reproducible and secure suturing. The aim of this study was to investigate the safety and efficacy of a novel continuous suture method with barbed sutures during laparoscopic repair for perforated peptic ulcers. PATIENTS AND METHODS: Clinical data from 116 consecutive patients undergoing laparoscopic repair for perforated peptic ulcers were collected between November 2009 and October 2015...
February 22, 2018: Surgical Endoscopy
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
James M Paci, Amanda Pawlak
Quadriceps tendon ruptures disrupt the extensor mechanism of the knee and require urgent surgical management. Traditional repair techniques have had mixed biomechanical and clinical results risking weakness and extensor lag. We describe a novel technique using tape suture and knotless anchors, which has performed superiorly during biomechanical testing and yielded terrific early clinical results.
January 2018: American Journal of Orthopedics
Jonathan A Baxter, James Tyler, Nivander Bhamber, Magnus Arnander, Eyiyemi Pearse, Duncan Tennent
Shoulder instability after a posterior glenoid rim fracture is rare and potentially difficult pathology to treat. Operative techniques often involve a large dissection to view the fragments resulting in local soft tissue injury. Internal fixation is often achieved with interfragmentary screws; however, this may not be possible with small or multifragmentary fracture patterns. We describe an arthroscopic technique for posterior glenoid rim fracture fixation using knotless suture anchors. These anchors can be inserted without cannulas allowing easier access to the posterior glenoid...
October 2017: Arthroscopy Techniques
George Sanchez, Nicholas I Kennedy, Márcio B Ferrari, Sandeep Mannava, Salvatore J Frangiamore, Matthew T Provencher
Posterior shoulder instability, although relatively rare in the general population, is more commonly seen in athletes, especially those in contact sports. Although nonoperative treatment has been associated with satisfactory results in the setting of posterior shoulder instability, conservative management may ultimately fail and lead to recurrence particularly in young, male patients. Both arthroscopic and open repair techniques to address posterior instability have been described, with each showing positive patient-reported outcomes, low risk of recurrence, and considerably high return-to-sport rates...
October 2017: Arthroscopy Techniques
Min P Kim, Edward Y Chan
Diaphragm paralysis can cause significant shortness of breath. This condition can be treated with diaphragm plication. We illustrate two cases where we used a knotless suture and total portal thoracoscopic technique to successfully plicate the diaphragm. A 70-year-old female with right-sided and a 44-year-old male with left-sided diaphragm paralysis. Both patients had a sniff test that showed paradoxical movement of the diaphragm. The port placements during the procedure were different due to the laterality but both patients had three 5-mm ports and one 12-mm port for the procedure...
November 2017: Journal of Surgical Case Reports
Hao Tang, Liuxiong Xu, Fuxiang Hu
Nylon (PA) netting is widely used in purse seines and other fishing gears due to its high strength and good sinking performance. However, hydrodynamic properties of nylon netting of different characteristics are poorly understood. This study investigated hydrodynamic characteristics of nylon netting of different knot types and solidity ratios under different attack angles and flow velocities. It was found that the hydrodynamic coefficient of netting panels was related to Reynolds number, solidity ratio, attack angle, knot type and twine construction...
2018: PloS One
Dennis Zhaowen Ng, Bernard Puang Huh Lau, Bryan Hsi Ming Tan, V Prem Kumar
Arthroscopic Bankart repair is widely accepted as the method of choice in restoring the labrum to the glenoid rim. It has been shown to have comparable outcomes with open stabilization. This usually involves the use of 2 portals anteriorly: one anterosuperior accessory portal and another anteroinferior working portal. The aim of this Technical Note is to present a simple and reproducible technique for Bankart repair using a single working portal anteriorly without an accessory portal.
October 2017: Arthroscopy Techniques
Qiang Niu, Jinping Zheng, Xiaohui Han
Midurethral mesh sling is the most performed incontinence procedure. This hypotheses propose knotless barbed suture could be positioned as a tension-free trans-vaginal sling under the mid-urethra without vaginal incision. Knotless suture sling support and stabilize mid-urethra when intraabdominal pressure increase. This procedure is designed to replace midurethral mesh sling operation, aiming at reducing complications. It is completed in a similar way with retropubic mesh sling procedure, and less invasive...
February 2018: Medical Hypotheses
Alex Rothfeld, Amanda Pawlak, Stephenie A H Liebler, Michael Morris, James M Paci
BACKGROUND: Patellar tendon repair with braided polyethylene suture alone is subject to knot slippage and failure. Several techniques to augment the primary repair have been described. Purpose/Hypothesis: The purpose was to evaluate a novel patellar tendon repair technique augmented with a knotless suture anchor internal brace with suture tape (SAIB). The hypothesis was that this technique would be biomechanically superior to a nonaugmented repair and equivalent to a standard augmentation with an 18-gauge steel wire...
February 1, 2018: American Journal of Sports Medicine
B Finke, W Petersen
OBJECTIVE: The aim of a tenotomy of the long biceps tendon is to remedy a painful pathology in the proximal region of the tendon. Tenodesis of the tendon can restore the motor and cosmetic function of the biceps brachii muscle. INDICATIONS: Partial rupture or tendopathy of the long biceps tendon, injuries of the anchor of the long biceps tendon (SLAP lesions; SLAP: superior labrum anterior posterior), lesions of the pulley system. CONTRAINDICATIONS: Infections or tumors, loss of the long head biceps tendon from the intertubercular groove...
February 2018: Operative Orthopädie und Traumatologie
Angelo Porreca, Daniele D'Agostino, Matteo Dandrea, Antonio Salvaggio, Alessandro Del Rosso, Emanuele Cappa, Alessio Zuccalà, Daniele Romagnoli, Riccardo Schiavina
BACKGROUND: The aim of the work is to describe an original technique of posterior muscle-fascial reconstruction (PMFR) during Robot-assisted radical prostatectomy (RARP). METHODS: From January 2015 to June 2016, 121 consecutives patients underwent RARP and were submitted to a novel tecnique of PMFR, using a single 3/0 barbed bi-directional (Filblock ® - Assut Europe) suture. The first step of this new technique of PMFR, is to approximate the posterior layer of Denonvilliers fascia (DF) to the posterior part of the sphinteric apparatus...
January 29, 2018: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
Justin W Arner, Marcio Albers, Brian S Zuckerbraun, Craig S Mauro
Patients with pubic symphysis instability who had failed nonoperative treatments may benefit from surgical repair. This disease process is rare, most commonly seen in postpartum women and athletes, and its surgical treatment is invasive and nonphysiological. Currently described surgical interventions, although limited, include plating, which provides an overly rigid construct with the risk of failure and possibly poor long-term outcomes particularly in athletes, and treatments such as curettage, more commonly used in the treatment of osteitis pubis...
January 2018: Arthroscopy Techniques
Philipp R Heuberer, Leo Pauzenberger, Daniel Smolen, Roman C Ostermann, Werner Anderl
Rotator cuff repairs are the most common procedures in shoulder surgery, but still show long-term retear rates of up to 70%. Nonanatomic reconstruction is one possible cause of repair failure. The rotator cuff histologically consists of 5 separate layers of which 2 are macroscopically identifiable: the superior or tendinous layer and the inferior or capsule-ligamentous layer. In case of rotator cuff tears, these layers are often retracted to different degrees. The intraoperative detectable prevalence of rotator cuff delamination reaches up to 85%...
January 2018: Arthroscopy Techniques
Takaya Tokuhara, Eiji Nakata, Toshiyuki Tenjo, Isao Kawai, Keisaku Kondo, Hirofumi Ueda, Atsushi Tomioka
We report an option for delta-shaped gastroduodenostomy in totally laparoscopic distal gastrectomy (TLDG) for gastric cancer. We detail a single-layer suturing technique for the endoscopic linear stapler entry hole using knotless barbed sutures combined with the application of additional knotted sutures. From June 2013 to February 2017, we performed TLDG with delta-shaped gastroduodenostomy in 20 patients with gastric cancer. The linear stapler was closed and fired to attach the posterior walls of the remnant stomach and the duodenum together...
January 2018: Oncology Letters
Jonathan D Barlow, Joshua S Everhart
Arthroscopic subscapularis repair with knotted suture fixation typically requires use of both anterior and accessory superolateral portals with passage of suture through multiple anatomic spaces. The advent of knotless anchors has allowed for simplification of subscapularis repairs. In this report we describe a simple method of knotless arthroscopic subscapularis repair through a single anterior portal. The indication for a single-anterior portal knotless subscapularis repair is a complete tear of the upper one-third of the subscapularis...
October 2017: Arthroscopy Techniques
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