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suture threads

Soon-Phaik Chee, Nicole Shu-Wen Chan
Polytetrafluoroethylene (Gore-Tex) suture is preferred for scleral fixation of intraocular lenses or capsular tension devices as it is more resilient to breakage than polypropylene 10-0. However, manipulation of the thick calibre and overcurved configuration of the Gore-Tex needle within the eye poses a risk of damage to the intraocular structures. Existing techniques that overcome the problem of needles within the anterior chamber involve special instruments to retrieve the suture. We describe a technique that creates a suture snare from a short segment of the Gore-Tex suture borne on a 26-gauge needle, which is used to retrieve the Gore-Tex suture safely at the scleral fixation site...
June 11, 2018: British Journal of Ophthalmology
Yonghua Bi, Hongmei Chen, Yahua Li, Zepeng Yu, Xinwei Han, Jianzhuang Ren
The self-healing phenomenon can be found in the elastase-induced abdominal aortic aneurysm (AAA) model, and an enlarging AAA model was successfully induced by coarctation. Unfortunately, aortic coarctation in these enlarging models is generally not found in human AAA disease. This study aimed to create an experiment model of enlarging AAA in rabbits to better mimic human aortic aneurysm disease. Eighty-four male New Zealand white rabbits were randomly divided into three equal groups: two aneurysm groups (A and B) and a SHAM group...
2018: PloS One
Hye-Sung Moon
OBJECTIVES: Using the da Vinci single-site platform, surgeons can perform more minimally invasive surgery. However, surgical challenges exist due to the limitations of single-site instrumental movements. To aid in the performance of successful robotic single-site hysterectomy, a new suturing technique using the current set of limited instruments is introduced in this study. MATERIAL & METHODS: New vaginal cuff suturing techniques have been used in 55 robotic single-site hysterectomies in our institute over the past 2 years...
June 2018: Taiwanese Journal of Obstetrics & Gynecology
Tao Xie, Xiaobiao Zhang, Ye Gu, Chongjing Sun, Tengfei Liu
PURPOSE: Cerebrospinal fluid leakage is always the primary complication during the endoscopic endonasal skull base surgery. Dural suturing technique may supply a rescue method. However, suturing and knotting in such a deep and narrow space are difficult. Training in the model can improve skills and setting a stepwise curriculum can increase trainers' interest and confidence. METHODS: We constructed an easy model using silicone and acrylic as sphenoid sinus and using the egg-shell membrane as skull base dura...
June 1, 2018: European Archives of Oto-rhino-laryngology
Xiao-Feng Wang, Qing-Qing Fang, Wan-Yi Zhao, Kai Han, Wen-Yang Wang, Chun-Ye Chen, Min-Xia Zhang, Bang-Hui Shi, Wei-Qiang Tan, Jian-Min Yao
BACKGROUND: Although there are numerous skin closure methods, there is no special method for suturing triangular skin wounds. The authors have summarized and modified their experience with a 3-dimensional (3D) continuous suturing technique for triangular wounds. METHODS: From December 2015 to September 2017, the 3D continuous suturing technique for triangular wounds has been used in 32 cleft lip repairs (48 surgical triangular incisions) and 11 cases of facial trauma (15 traumatic triangular wounds)...
May 30, 2018: Annals of Plastic Surgery
Nathan T Zwagerman, Mathew N Geltzeiler, Eric W Wang, Juan C Fernandez-Miranda, Carl H Snyderman, Paul A Gardner
We present a case of cerebrospinal fluid (CSF) leak after endoscopic endonasal resection of a large clival chordoma in an obese patient. The leak was at the lower reconstruction at the craniocervical junction and had failed repositioning. Using the V-Loc™ wound closure device (Covidien, New Haven, Connecticut) to suture the nasoseptal flap to the nasopharyngeal fascia, a water-tight seal was created and, along with a lumbar drain, the patient healed successfully.CSF leak after an endoscopic endonasal approach (EEA) to intradural pathologies remains one of the more common complications...
May 30, 2018: Operative Neurosurgery (Hagerstown, Md.)
R Dolezel, B Walterová, S Juhas, O Ryska, J Juhásová, Z Vacková, J Krajciova, J Král, J Martínek
INTRODUCTION: Complete circular endoscopic (submucosal) resection (CER) performed using the endoscopic submucosal dissection (ESD) technique is burdened with a high incidence of post-operative strictures in the esophagus. The most effective method of preventing them is not known so far; one of the possible methods is to prevent these strictures directly at the site of their formation by covering the defect with a stent. The aim of the study was to find a way to fix a selected biomaterial to a stent, and subsequently, to fix the stent at the CER site to prevent esophageal strictures in an animal model...
2018: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
Cristiano Susin, Jaebum Lee, Tiago Fiorini, Rubens Moreno de Freitas, Hsien-Chung Chiu, Hari S Prasad, Amanda N Buxton, Ulf Me Wikesjö
BACKGROUND: Recombinant human bone morphogenetic protein-2 in an absorbable collagen sponge carrier (rhBMP-2/ACS) has been shown to support significant bone formation when used to augment the maxillary sinus for implant dentistry. Nevertheless, bone biomaterials have been suggested to extend rhBMP-2/ACS with limited support of the merits of such approaches. OBJECTIVES: To evaluate local bone formation/dental implant osseointegration following implantation of rhBMP-2/ACS combined with a ceramic bone biomaterial using a mini-pig sinus augmentation model...
May 14, 2018: Journal of Clinical Periodontology
Guang-Tai Li, Xiao-Fan Li, Yun-He Zhang, Yue Si, Guang-Rui Li, Hong-Mei Xu
AIM: To avoid complications associated with uterine compression sutures, we devised a ring compression suture (RCS). METHODS: The RCS was performed on 12 patients with post-partum hemorrhage (PPH) during cesarean section. The suture was inserted 0.5 cm below the attachment point of the uterosacral ligament into the uterine cavity and pushed downward through the cervical canal into the vagina. The other end of the stitch was threaded through the lower abdominal wall, from the inside of the abdomen cavity to the outside of the abdominal wall, emerging at the external surface of the lower abdomen 2 cm lateral to the ventral median line and 1 cm above the symphysis pubis...
May 10, 2018: Journal of Obstetrics and Gynaecology Research
Shingo Tsujinaka, Yukio Nakabayashi, Nao Kakizawa, Rina Kikugawa, Nobuyuki Toyama, Toshiki Rikiyama
INTRODUCTION: Optimal surgery for a midline incisional hernia extending to the subcostal region remains unclear. We report successful hybrid laparoscopic and percutaneous repair for such a complex incisional hernia. PRESENTATION OF CASE: An 85-year-old woman developed a symptomatic incisional hernia after open cholecystectomy. Computed tomography revealed a 14 × 10 cm fascial defect. Four trocars were placed under general anesthesia. Percutaneous defect closure was performed using multiple non-absorbable monofilament threads, i...
April 21, 2018: International Journal of Surgery Case Reports
Ahmed Adam, Jayveer Sookram
Background: To describe a novel bladder fixation technique for use during endoscopic vesicostomy button insertion. Methods: After standard cystoscopic visualization of the bladder, a standard 18 G intravenous cannula was inserted into the bladder. A non-absorbable suture thread was placed through this intravenous cannula under cystoscopic vision. The proximal end of the suture was then removed using standard ureteroscopic grasping forceps (3 Fr) through another needle (15 G) inserted next to the initial puncture site (following a path at 30 degrees from the initial puncture tract) into the bladder...
March 2018: Current Urology
Hidenori Tanaka, Koji Hirano, Masayuki Horiguchi
We describe a new technique to prevent an endothelial donor graft from dropping into the vitreous cavity during non-Descemet stripping automated endothelial keratoplasty (nDSAEK) for extremely mydriatic bullous keratopathy (BK) eyes without capsular support. The patient was a 79-year-old woman who underwent nDSAEK for an extremely mydriatic BK eye with an incomplete barrier between the anterior and posterior chambers. She had undergone argon laser iridotomy for acute glaucoma at the age of 59 years and cataract surgery 3 years later...
January 2018: Case Reports in Ophthalmology
Seung Hoon Kang, Seok Hoon Moon, Bong-Il Rho, Seong Jae Youn, Hei Sung Kim
BACKGROUND: Facial wrinkles are key signs of aging which affect one's quality of life and psychological well-being. Absorbable wedge-shaped polydioxanone (PDO) sutures are popular in the esthetic clinics of Korea and may be a treatment option for static wrinkles on the upper face. OBJECTIVE: To describe a novel technique applicable to deep static wrinkles on the upper face and to assess its safety and efficacy. PATIENTS AND METHODS: A retrospective chart review was performed on the static wrinkle cases which were treated with folded, wedge-shaped PDO threads...
April 19, 2018: Journal of Cosmetic Dermatology
Sukran Sarigul Guduk, Nezih Karaca
BACKGROUND: Thread lifting is a minimally invasive procedure for lifting and repositioning tissues. Few articles with absorbable sutures exist in the literature. Furthermore there is no study focusing on complications of absorbable sutures. OBJECTIVE: To describe complications of thread lifting using a totally absorbable suture composed of poly-L-lactic acid affixed with poly lactide/glycolide cones. METHODS: Data regarding complications were analyzed retrospectively for 148 patients underwent thread lifting between June 2014 and February 2017...
April 1, 2018: Journal of Cosmetic Dermatology
Hitoshi Harada, Shingo Kanaji, Hiroshi Hasegawa, Masashi Yamamoto, Yoshiko Matsuda, Kimihiro Yamashita, Takeru Matsuda, Taro Oshikiri, Yasuo Sumi, Tetsu Nakamura, Satoshi Suzuki, Yoshihiro Kakeji
BACKGROUND: Recently, several new imaging technologies, such as three-dimensional (3D)/high-definition (HD) stereovision and high-resolution two-dimensional (2D)/4K monitors, have been introduced in laparoscopic surgery. However, it is still unclear whether these technologies actually improve surgical performance. METHODS: Participants were 11 expert laparoscopic surgeons. We designed three laparoscopic suturing tasks (task 1: simple suturing, task 2: knotting thread in a small box, and task 3: suturing in a narrow space) in training boxes...
March 30, 2018: Surgical Endoscopy
Lang Xu, Qian Liu
PURPOSE: This paper discusses a real-time simulation method of inextensible surgical thread based on the Cosserat rod theory using position-based dynamics (PBD). The method realizes stable twining and knotting of surgical thread while including inextensibility, bending, twisting and coupling effects. METHODS: The Cosserat rod theory is used to model the nonlinear elastic behavior of surgical thread. The surgical thread model is solved with PBD to achieve a real-time, extremely stable simulation...
March 27, 2018: International Journal of Computer Assisted Radiology and Surgery
Shigeyuki Ozaki, Isamu Kawase, Hiromasa Yamashita, Shin Uchida, Mikio Takatoh, Nagaki Kiyohara
OBJECTIVE: We had previously reported the short-term results of the aortic valve neocuspidization (AVNeo) procedure. We have now evaluated the midterm results with the longest follow-up of 118 months. METHODS: From April 2007 through December 2015, 850 patients were treated with AVNeo using autologous pericardium. Medical records of these patients were retrospectively reviewed. The procedure was on the basis of independent tricuspid replacement using autologous pericardium...
June 2018: Journal of Thoracic and Cardiovascular Surgery
Serdar Yalcin, Yusuf Kibar, Theodoros Tokas, Elif Gezginci, Armagan Günal, Mahmut Taha Ölcücü, Ibrahim Yasar Özgök, Ali Serdar Gözen
OBJECTIVE: To compare the barbed polyglyconate suture (BPS) with 2 commonly used conventional sutures, this prospective randomized trial was designed. The sutures applied in the urinary collecting system, in terms of long-term histopathologic and macroscopic suture material features. MATERIALS AND METHODS: Eight female and 6 male New Zealand rabbits were included in the study. Each animal served as its own control and was subjected to cystotomy. Watertight running cystorrhaphies were performed using 3 different sutures in a randomized fashion, namely Monocryl, Vicryl, and V-Loc 90...
March 2, 2018: Urology
Shuichi Fujioka, Takeyuki Misawa, Hiroaki Kitamura, Yu Kumagai, Tadashi Akiba, Katsuhiko Yanaga
INTRODUCTION: Recent advances in single-incision laparoscopic surgery (SILS) have caused increased difficulties when tying knots because of the limited working space. Although extracorporeal knot-tying techniques may be a practical alternative choice in SILS, it is not always appropriate. For example, sliding resistance may be encountered when tying knots for a Z-shaped suture, and it could damage the sutured tissue. MATERIALS AND SURGICAL TECHNIQUE: The clinch knot is a kind of slipknot that has been historically used by fishermen...
February 2018: Asian Journal of Endoscopic Surgery
Haydar Aslan Gülbitti, Britt Colebunders, Ali Pirayesh, Dario Bertossi, Berend van der Lei
BACKGROUND: In 2006, Villa et al. published a review article concerning the use of thread-lift sutures and concluded that the technique was still in its infancy but had great potential to become a useful and effective procedure for nonsurgical lifting of sagged facial tissues. As 11 years have passed, the authors now performed again a systematic review to determine the real scientific current state of the art on the use of thread-lift sutures. METHODS: A systematic review was performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines using the PubMed database and using the Medical Subject Headings search term "Rhytidoplasty...
March 2018: Plastic and Reconstructive Surgery
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