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https://www.readbyqxmd.com/read/28994784/technique-of-minimally-invasive-transverse-aortic-constriction-in-mice-for-induction-of-left-ventricular-hypertrophy
#1
Reza Tavakoli, Simona Nemska, Peiman Jamshidi, Max Gassmann, Nelly Frossard
Transverse aortic constriction (TAC) in mice is one of the most commonly used surgical techniques for experimental investigation of pressure overload-induced left ventricular hypertrophy (LVH) and its progression to heart failure. In the majority of the reported investigations, this procedure is performed with intubation and ventilation of the animal which renders it demanding and time-consuming and adds to the surgical burden to the animal. The aim of this protocol is to describe a simplified technique of minimally invasive TAC without intubation and ventilation of mice...
September 25, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28989101/securing-extraocular-muscles-in-strabismus-surgery-laboratory-analysis-of-biomechanical-parameters-related-to-the-suture
#2
Steven E Brooks
PURPOSE: To investigate the tensile properties of several components used to secure extraocular muscle to sclera in strabismus surgery to determine potential failure points. METHODS: A digital force gauge measured the tensile strength of intact or damaged 6-0 Vicryl suture (Ethicon, Somerville, NJ), as well as threads tied in a 2-1-1 or 2-1-1-1 surgeon's knot configuration. Human sclera was used to test the resistance to drag of knotted and unknotted 6-0 Vicryl suture thread through partial thickness sclera...
October 5, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28920636/politetrafluorene-suture-used-as-artificial-mitral-chord-mechanical-properties-and-surgical-implications
#3
Philippe P Caimmi, Maurizio Sabbatini, Luca Fusaro, Mario Cannas
BACKGROUND: Novel surgical approach to repair degenerative mitral regurgitation such as transapical chordae tendineae replacement and "loop in loop" in loop techniques, need of artificial chordae longer than that used in the older techniques of chordae tendineae replacement. This difference in length has been reported as potential critical point for durability of artificial chordae. In the present paper we have investigated the elastic behavior of different diameter and length politetrafluorene (PTFE) suture threads as substitute of native chordae, to identify their reliability to use as long artificial chordae...
December 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28918007/the-effect-of-visual-spatial-ability-on-the-learning-of-robot-assisted-surgical-skills
#4
Takashige Abe, Nicholas Raison, Nobuo Shinohara, M Shamim Khan, Kamran Ahmed, Prokar Dasgupta
BACKGROUND: The aim of this study was to determine the correlation of visual-spatial ability with progression along the learning curve for robotic surgical skills training. METHODS: A total of 21 novice participants were recruited. All participants completed a training program consisting of 5 training sessions of 30 minutes of virtual reality (VR) simulation and 30 minutes of dry laboratory training. The VR simulation part was the subject of the present study. During VR simulation training, participants performed the basic skill exercises of Camera Targeting 1, Pick and Place, and Peg Board 1 followed by advanced skill exercises of Suture Sponge 1 and Thread the Rings...
September 13, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28915775/wound-healing-and-anti-inflammatory-effects-of-topical-hyaluronic-acid-injection-in-surgical-site-infection-caused-by-staphylococcus-aureus
#5
Jin Hyung Park, Eon Ju Park, Hyung Suk Yi
Surgical-site infection (SSI) is a common postoperative complication, primarily caused by Staphylococcus aureus. S aureus produces hyaluronidase which degrades hyaluronic acid (HA). HA prevents bacterial proliferation and has anti-inflammatory effects to promote wound healing. We evaluated the effect of HA injection with systemic antibiotics for prevention and treatment of SSIs caused by S aureus. An open wound was created on the dorsum of 40 rats. The wound bed was sutured with S aureus inoculated thread. The test group was injected with HA (HA group), and the control group received a subcutaneous injection of normal saline (NS group)...
September 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/28915290/lifting-the-lower-face-with-an-absorbable-polydioxanone-pdo-thread
#6
Kian Karimi, Alexandra Reivitis
Traditional rejuvenation techniques include chemical peels, rhytidectomy of the skin, laser resurfacing, injection of dermal fillers and neurotoxins, and invasive surgical procedures. Patients with brow ptosis, jowl formation, and deepening nasolabial folds currently seek antiaging procedures with no incisions and minimal downtime such as thread-lifting with barbed sutures. The present report describes a case in which polydioxanone threads were used to lift the lower third of a patient's face. Fillers were used to supplement the results achieved by the thread lift because often, when tissue has been lifted, volume deficits are revealed, which can be corrected with dermal fillers...
September 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28904650/dermatologic-microsutures-using-human-hair-a-useful-technique-in-cutaneous-stitching
#7
Mohammed Al Azrak, Rei Ogawa
Background: Facial wounds are challenging for dermatologic surgeons, particularly traumatic facial wounds, because they can yield disfiguring scars. To obtain good results, narrow needles and sutures are needed. Hair filaments have a very small diameter (0.06-0.1 mm) and could serve as suture threads for facial wounds. Objective: To determine the aesthetic outcomes by using autologous hair to suture facial wounds. Patients and Methods: This case series study examined the aesthetic outcomes of all consecutive female patients with traumatic facial wounds who underwent autologous hair-based stitching in 2009-2016...
2017: Eplasty
https://www.readbyqxmd.com/read/28867371/the-suture-retention-test-revisited-and-revised
#8
M Pensalfini, S Meneghello, V Lintas, K Bircher, A E Ehret, E Mazza
A systematic investigation of the factors affecting the suture retention test is performed. The specimen width w and the distance a of the suture bite from the specimen free edge emerge as the most influential geometrical parameters. A conservative approach for the quantification of suture retention strength is identified, based on the use of a camera to monitor the incipient failure and detect the instant of earliest crack propagation. The corresponding critical force, called break starting strength, is extremely robust against test parameter variations and its dependence on the specimen geometry becomes negligible when a≥ 2mm and w≥ 10mm...
August 24, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28863885/a-new-indication-for-barbed-threads-static-reanimation-of-the-paralyzed-face
#9
Victor Vlad Costan, Eugenia Popescu, Daniela Sulea, Ioan Sorin Stratulat
PURPOSE: The objective of this study was to present the authors' experience in static facial reanimation using a straightforward incisionless procedure adapted from techniques commonly used for performing minimally invasive facelifts. MATERIALS AND METHODS: Seventeen patients were treated by static suspension using barbed sutures and all resulting changes were reviewed. The technique used for suture placement is described in detail, as are the author's tips for achieving the best esthetic and functional results...
August 5, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28857984/levator-aponeurosis-and-muller-muscle-plication-reinforced-with-levator-sheath-advancement-for-blepharoptosis-correction
#10
Jin Suk Byun, Kun Hwang, Sang Yun Lee, Hak Tae Kim, Kenneth Kim
The authors innovated the levator aponeurosis and Muller muscle plication reinforced with levator sheath advancement (AMPSA) for blepharoptosis correction. The orbital septum was opened 1 mm above its fusion with the levator aponeurosis. The preaponeurotic fat was retracted and the thickened part of the levator sheath was identified. Two plication sutures were made: medial suture at the medial border of the pupil and lateral between the lateral border of the pupil and the lateral limbus. A needle with 6-0 nylon thread first bit the tarsal plate approximately 1 mm below its upper border, then bit the levator aponeurosis and the Muller muscle together at 3 to 6 mm above the upper border of the tarsal plate...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28836247/-application-and-effect-evaluation-of-an-self-made-device-to-fix-liver-in-laparoscopic-radical-gastrectomy
#11
Xiaoyu Dong, Xiaoyu Chen, Yu Zhu, Zixuan Liu, Fengyue Jiang, Jun Luo, Jiang Yu, Guoxin Li, Liying Zhao
OBJECTIVE: To introduce the application and clinical effect of self-made liver fixing device in laparoscopic radical gastrectomy. METHODS: Clinical data of 469 patients underwent laparoscopic radical gastrectomy in Nanfang Hospital, Southern Medical University from March 2014 to January 2017 were analyzed retrospectively. In laparoscopic radical gastrectomy, self-made liver fixing device was used to expose surgical field covered by hepatic lobe in gastric lesser curvature and hepatic flexure of colon...
August 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28815221/a-modified-efficient-purse-string-stapling-technique-mest-that-uses-a-new-metal-rod-for-intracorporeal-esophagojejunostomy-in-laparoscopic-total-gastrectomy
#12
REVIEW
Takeshi Omori, Jeong-Ho Moon, Kazuyoshi Yamamoto, Yoshitomo Yanagimoto, Keijirou Sugimura, Hiroshi Miyata, Masahiko Yano, Masato Sakon
Intracorporeal esophagojejunostomy after laparoscopic total gastrectomy is technically difficult because this procedure should be performed in a narrow surgical field in the upper abdomen even when completely laparoscopic approaches are used. The placement of the anvil of a circular stapling device into the esophagus and connection the instrument to the anvil are extremely difficult steps in this surgery. Therefore, we developed a simple technique for intracorporeal esophagojejunostomy using hemi-double stapling technique; we named this technique the efficient purse-string stapling technique (EST)...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28802422/management-of-neglected-acl-avulsion-fractures-a-case-series-and-systematic-review
#13
D K Chouhan, M S Dhillon, R John, A Khurana
INTRODUCTION: Neglected tibial eminence avulsion fractures of the anterior cruciate ligament (ACL) are uncommonly seen in modern times, but are fairly common due to a missed diagnosis/mismanagement in developing countries. OBJECTIVES: To determine the outcomes after open reduction and internal fixation of late presenting ACL avulsion fractures, and to review the literature for similar cases, in an attempt to evaluate the ideal surgical management in this unique scenario...
August 2017: Injury
https://www.readbyqxmd.com/read/28767602/iatrogenic-rupture-of-the-left-main-bronchus-secondary-to-repeated-surgical-lobe-torsion-during-double-lumen-tube-placement-a-case-report
#14
Zong Ming Jiang, Chu Zhang, Zhong Hua Chen
RATIONALE: Bronchial rupture is a rare but potentially life-threatening complication during double-lumen endobronchial tube placement. The rupture of the left main bronchus resulting from repeated surgical torsion is uncommon. PATIENT CONCERNS: A 70-year-old man with a history of chronic obstructive pulmonary disease (COPD), intermediate emphysema, chronic bronchitis, hypertension, type 2 diabetes mellitus, and L3-L4 lumbar intervertebral disc herniation. Chest x-ray and computed tomography revealed a solitary pulmonary nodule in the left lower lobe...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28711169/the-risk-of-suprascapular-and-axillary-nerve-injury-in-reverse-total-shoulder-arthroplasty-an-anatomic-study
#15
Tim Leschinger, Michael Hackl, Eduard Buess, Sebastian Lappen, Martin Scaal, Lars Peter Müller, Kilian Wegmann
PURPOSE: Implantation of a reverse total shoulder arthroplasty (rTSA) places the axillary and suprascapular nerves at risk. The aim of this anatomic study was to digitally analyse the location of these nerves in relation to bony landmarks in order to predict their path and thereby help to reduce the risk of neurological complications during the procedure. METHODS: A total of 22 human cadaveric shoulder specimens were used in this study. The axillary and suprascapular nerves were dissected, and radiopaque threads were sutured onto the nerves without mobilizing the nerves from their native paths...
June 28, 2017: Injury
https://www.readbyqxmd.com/read/28706808/transosseous-posterior-meniscal-root-reinsertion-using-knotless-anchor-for-tibial-fixation
#16
Alejandro Espejo-Baena, Alejandro Espejo-Reina, María Josefa Espejo-Reina, María Belén Martín-Castilla, Jaime Dalla-Rosa Nogales, Enrique Sevillano-Pérez
A technique for posterior meniscal root reinsertion is presented. With the arthroscope in the central transtendinous portal for a better view, a 5-mm transtibial tunnel is created with the aid of an anterior cruciate ligament guide open to 45°. A suture device, which consists of a long needle with an eyelet on its tip, is introduced through the tunnel with a suture thread inserted through the eyelet, while the meniscus is stabilized with a grasper inserted through the anterior portal. The meniscus is pierced with the device, and the suture thread is recovered with said grasper...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28644556/sinus-augmentation-using-a-mini-pig-model-effect-of-ceramic-and-allogeneic-bone-biomaterials
#17
Cristiano Susin, Tiago Fiorini, Jaebum Lee, Rubens Moreno de Freitas, Hsien-Chung Chiu, Hari S Prasad, Amanda N Buxton, Ulf M E Wikesjö
BACKGROUND: Present clinical practice broadly relies on off-the-shelf allogeneic, xenogeneic or synthetic bone biomaterials in support of sinus augmentation. Also, recombinant human bone morphogenetic protein-2 in an absorbable collagen sponge carrier (rhBMP-2/ACS) has been shown to support clinically relevant bone formation when used to augment the maxillary sinus. OBJECTIVES: To evaluate local bone formation/dental implant osseointegration following implantation of two particulate bone biomaterials using the mini-pig sinus augmentation model...
June 23, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28633770/a-24-month-follow-up-of-a-custom-made-suture-button-assembly-for-syndesmotic-injuries-of-the-ankle
#18
Mohamed A Imam, Ahmed Matthana, Ji Wan Kim, Mohamed Nabil
In the present retrospective analysis, we introduce a custom suture-button fixation device for acute ankle syndesmotic injuries that allows for early weightbearing without another planned operation for hardware removal. We evaluated 87 consecutive ankles in 87 patients (49 males [56.32%] and 38 females [43.68%]). Of the 87 patients, 15 (17.24%) withdrew or were lost to follow-up, leaving 72 patients (82.76%) in the present study. Their mean age was 35.2 (range 17 to 67) years. Nineteen patients (26.39%) presented with a pure syndesmotic disruption, and 53 (73...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28616277/barbed-suture-material-technique-for-wound-closure-and-concomitant-tube-placement-in-uniportal-vats-for-pneumothorax
#19
Kyung Soo Kim
BACKGROUND: Uniportal video-assisted thoracoscopic surgery (VATS) is an alternative modality for treatment of primary spontaneous pneumothorax (PSP) with its less invasiveness and acceptable surgical outcomes. However, a few reports have been introduced for wound management to achieve better cosmetic wound healing and for placement of the chest tube in uniportal VATS. Thus, we aimed to evaluate the feasibility of our novel method for wound closure and concomitant tube placement using continuous barbed suture material in uniportal VATS for PSP...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28583338/distal-corporal-anchoring-stitch-a-technique-to-address-distal-corporal-crossovers-and-impending-lateral-extrusions-of-a-penile-prosthesis
#20
Gabriele Antonini, Gian Maria Busetto, Francesco Del Giudice, Matteo Ferro, Benjamin I Chung, Simon L Conti, Alfredo Suarez Sarmiento, Arianna Pacchiarotti, Ettore De Berardinis, Paul E Perito
BACKGROUND: Unidentified distal crossovers, delayed distal crossovers, and impending lateral extrusion are complications of penile prosthesis implant insertion but are not as common as prosthesis infection or mechanical failure. AIM: To evaluate results of a surgical technique, the distal corporal anchoring stitch, that addresses fixation of the penile prosthesis in patients with these complications. METHODS: A lateral sub-coronal incision is used on the side where the crossover or laterally extruding cylinder should be positioned...
June 2017: Journal of Sexual Medicine
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