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https://www.readbyqxmd.com/read/28442692/viscocanalostomy-and-canaloplasty-ab-externo-schlemm-s-canal-surgery
#1
Matthias C Grieshaber
Ab externo Schlemm's canal (SC) surgery (e.g., viscocanalostomy and canaloplasty) is a valuable alternative to glaucoma filtration surgery. It targets the abnormally high resistance to outflow in the trabecular meshwork (TM) and reestablishes the physiologic outflow system. In viscocanalostomy, viscoelastic substance is injected to dilate SC, which in turn leads to microdisruptions of the inner wall. In canaloplasty, the additional intracanalicular stent (suture or Stegmann Canal Expander®) keeps the canal patent and enhances the circumferential flow...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28442685/deep-sclerectomy
#2
Sylvain Roy, André Mermoud
Filtering surgery evolved from the classic trabeculectomy, in which penetration into the anterior chamber is a necessary step, toward nonpenetrating deep sclerectomy. The first procedure presents several serious complications, such as durable hypotony, hyphema, flat anterior chamber, choroidal detachment, endophthalmitis, and surgery-induced cataract. To avoid such drawbacks, a novel nonpenetrating technique was designed to improve the predictability of the intraocular pressure (IOP)-lowering action, while reducing the incidence of the immediate postoperative complications encountered with the penetrating method...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28441239/traumatic-abdominal-wall-hernia-in-children-by-handlebar-injury-when-to-suspect-scan-and-call-the-surgeon
#3
Victoria Elisa Rinaldi, Mirko Bertozzi, Elisa Magrini, Sara Riccioni, Giuseppe Di Cara, Antonino Appignani
Traumatic abdominal wall hernias (TAWHs) can be defined as a herniation through disrupted musculature and fascia associated with blunt trauma. They are seen in approximately 1% of patients with blunt abdominal trauma. Data on TAWH in the pediatric population are very limited and principally based on case reports and a few case series. Past reports have indicated that the presence of the "handlebar sign" confers an increased risk of internal injury. Concomitant internal injuries are reported with an incidence between 25% and 70%, and occult hernias may also occur and are usually detected only by abdominal computed tomography scan and ultrasonography...
April 24, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28435855/first-clinical-experiences-with-a-novel-endoscopic-over-the-scope-clip-system
#4
Marco Dinelli, Barbara Omazzi, Paolo Andreozzi, Nicola Zucchini, Alessandro Redaelli, Gianpiero Manes
We describe our experience with a new over-the-scope clip (OTSC) system (Padlock Clip?) in the treatment of 14 patients. Eight of the 14 patients were treated for closure of gastrointestinal fistulas (n?=?4), iatrogenic gastrointestinal perforations (n?=?2), or hemostasis of post-polypectomy bleeding (n?=?2). The site of clipping was the lower gastrointestinal tract in five patients and the upper gastrointestinal tract in three patients. The clip was successfully delivered in seven out of the eight patients and clinical success was achieved in all patients...
March 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28429087/the-abdoman-an-artificial-abdominal-wall-simulator-for-biomechanical-studies-on-laparotomy-closure-techniques
#5
L F Kroese, J J Harlaar, C Ordrenneau, J Verhelst, G Guérin, F Turquier, R H M Goossens, G-J Kleinrensink, J Jeekel, J F Lange
PURPOSE: Incisional hernia remains a frequent complication after abdominal surgery associated with significant morbidity and high costs. Animal and clinical studies have exhibited some limitations. The purpose of this study was to develop an artificial human abdominal wall (AW) simulator in order to enable investigations on closure modalities. We hypothesized that a physical model of the human AW would give new insight into commonly used suture techniques representing a substantial complement or alternative to clinical and animal studies...
April 20, 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28424715/temporal-petal-closure-benefits-reproductive-development-of-magnolia-denudata-magnoliaceae-in-early-spring
#6
Liya Liu, Chulan Zhang, Xiangyu Ji, Zhixiang Zhang, Ruohan Wang
The Magnoliaceae shows strong phylogenetic niche conservatism, in which temporal petal closure has been extensively reported. However, it is yet elusive whether temporal petal closure is an idle floral character inherited from their ancestors or an adaptive trait to their habitats. Here, we monitored the process of temporal floral closure and re-opening in a thermogenic plant, Magnolia denudata (Magnoliaceae). Furthermore, we artificially interrupted temporal petal closure and investigated its effects on development of female and male gametophytes...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28415122/p1138cardiac-shear-wave-velocity-in-healthy-individuals
#7
M Strachinaru, M L Geleijnse, J G Bosch, N De Jong, Afw Van Der Steen, B M Van Dalen, H J Vos
Background: The closure of the valves generates shear waves in the heart walls. The propagation velocity of shear waves relates to stiffness. This could potentially be used to estimate the stiffness of the myocardium, with huge potential implications in pathologies characterized by a deterioration of the diastolic properties of the left ventricle. In an earlier phantom study we already validated shear wave tracking with a clinical ultrasound system in cardiac mode. Purpose: In this study we aimed to measure the shear waves velocity in normal individuals...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28411456/urinary-bladder-injury-during-cesarean-delivery-maternal-outcome-from-a-contemporary-large-case-series
#8
Lina Salman, Shachar Aharony, Anat Shmueli, Arnon Wiznitzer, Rony Chen, Rinat Gabbay-Benziv
BACKGROUND: Urinary bladder injury is a rare complication during cesarean delivery. Little is known on maternal outcome following this injury. OBJECTIVE: To evaluate short and long-term maternal outcome following bladder injury during cesarean delivery. STUDY DESIGN: A retrospective case series of all pregnancies complicated by full-thickness bladder injury during cesarean delivery in a single university affiliated tertiary medical center (August 2007-June 2016)...
April 5, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28400035/percutaneous-closure-of-post-myocardial-infarction-ventricular-septal-rupture-a-single-centre-experience
#9
Rajendra Kumar Premchand, Ravikanth Garipalli, T N C Padmanabhan, Geetesh Manik
BACKGROUND: Post-infarction ventricular septal rupture (VSR) is a rare but lethal mechanical complication of an acute myocardial infarction (AMI). Survival to 1 month without intervention is 6%. Given high surgical mortality, transcatheter closure has emerged as a potential strategy in selected cases. Indian data on percutaneous device closure of post AMI-VSR is scarce hence we report our single-centre experience with ASD occluder device (Amplatzer and lifetech) for closure of post-AMI VSR...
April 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28397296/reconstruction-of-late-esophagus-perforation-after-anterior-cervical-spine-fusion-with-an-adipofascial-anterolateral-thigh-free-flap-a-case-report
#10
Ruben Coelho, Tomas Ekberg, Malin Svensson, Maria Mani, Andres Rodriguez-Lorenzo
Reconstruction of late esophageal perforation usually requires flap surgery to achieve wound healing. However, restoring the continuity between the digestive tract and retropharyngeal space to allow for normal swallowing remains a technical challenge. In this report, we describe the use of a thin and pliable free adipofascial anterolateral thigh (ALT) flap in a 47-year-old tetraplegic man with a history of C5-C6 fracture presented with a large posterior esophagus wall perforation allowing an easier flap insetting for a successful wound closure...
April 11, 2017: Microsurgery
https://www.readbyqxmd.com/read/28393001/neuro-tracing-approach-to-study-kidney-innervation-a-technical-note
#11
Sanghee Lee, Anna P Malykhina
Neuro-tracing approach is a great option to study innervation of the visceral organs including the kidneys. Important factors contributing to the success of this technique include the choice of a neuro-tracer, and delivery methods to result in successful labeling of peripheral sensory and motor ganglia. The neuro-tracer is usually applied directly to the kidney accessed via a surgical opening of the abdominal wall under deep anesthesia. A series of local microinjections of the dye are performed followed by a wound closure, and recovery period from the surgery...
March 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28386914/laparoscopy-assisted-full-thickness-resection-of-the-duodenum-for-patients-with-gastrointestinal-stromal-tumor-with-ulceration
#12
Nobutsugu Abe, Yoshikazu Hashimoto, Hirohisa Takeuchi, Atsuko Ohki, Gen Nagao, Yutaka Suzuki, Tadahiko Masaki, Toshiyuki Mori, Masanori Sugiyama
INTRODUCTION: Gastrointestinal stromal tumor (GIST) with ulceration may potentially disseminate into the peritoneal cavity after laparoscopic local wedge resection (full-thickness resection) when the intestinal wall is opened under the aeroperitoneum. To prevent this intraoperative tumor seeding, we developed laparoscopy-assisted full-thickness resection (LAFTR) of the duodenum for GIST with ulceration. Here, we present the preliminary results of LAFTR. METHODS: Three patients with duodenal GIST with ulceration underwent LAFTR...
April 7, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28381372/investigation-of-the-speech-results-of-posterior-pharyngeal-wall-augmentation-with-fat-grafting-for-treatment-of-velopharyngeal-insufficiency
#13
Çağla Dinsever Eliküçük, Maviş Emel Kulak Kayıkcı, Fatma Esen Aydınlı, Mert Çalış, Fatma Figen Özgür, Mehtap Öztürk, Rıza Önder Günaydın
PURPOSE: The purpose of this study was to evaluate the speech results of posterior pharyngeal wall augmentation (PPWA) with fat grafting both in the early and late postoperative period, and to clarify the impact of the procedure concomitant with speech therapy. MATERIALS AND METHODS: This is a prospective case-control study. The study involved 87 cleft palate ± cleft lip patients with velopharyngeal insufficiency (VPI) who has been treated with PPWA. Patients were separated into two groups according to age; the first group consisted of 49 pediatric participants between 6 and 12 years of age and the second group consisted of 38 adolescent participants between 13 and 18 years of age...
March 6, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28374258/a-novel-grasp-and-loop-closure-method-for-defect-closure-after-endoscopic-full-thickness-resection-with-video
#14
Jian-Wei Hu, Lei Ge, Ping-Hong Zhou, Quan-Lin Li, Yi-Qun Zhang, Wei-Feng Chen, Tao Chen, Li-Qing Yao, Mei-Dong Xu, Yuan Chu
BACKGROUND: Endoscopic full-thickness resection (EFTR) is a minimally invasive method for en bloc resection of gastrointestinal (GI) lesions originating from the muscularis propria layer. Successful closure of the wall defect is a critical step. OBJECTIVE: The aim of this study was to evaluate the feasibility and efficacy of a novel and simplified endoscopic grasp-and-loop (GAL) closure method using an endo-loop assisted with grasping forceps for defect closure...
April 3, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28372449/enteral-stent-for-the-treatment-of-a-urinary-fistula-associated-with-a-biological-mesh-following-a-bricker-type-procedure
#15
Raquel Díaz Ruiz, Marta Castillo Pradillo, Óscar Nogales Rincón, Cecilia González Asanza
Postoperative fistula results in increased morbidity and a longer hospital stay. While surgery is the most common treatment, the endoscopic approach is an increasingly used alternative. A 57-year-old woman underwent surgery for colonic adenocarcinoma, which relapsed as peritoneal carcinomatosis and was managed with chemotherapy and surgery, a biological Permacol™ mesh was used for abdominal wall closure.
April 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28370213/left-ventricular-basal-inferior-pseudoaneurysm-and-left-atrial-dissection-after-myocardial-infarction-case-report
#16
Rui Azevedo Guerreiro, Kisa Congo, João Carvalho, João Pais, Diogo Brás, Bruno Piçarra, Agostinho Caeiro, José Aguiar
Left atrial dissection is a rare entity, mostly occurring after mitral valve surgery, with only a few cases described after myocardial infarction. The authors report a case of a 60-year-old man who presented with an inferior myocardial infarction, complicated with pseudoaneurysm of basal segment of left ventricular inferior wall, which expanded through the mitral ring to left atria, causing left atrial free wall dissection. The left ventriculo-atrial communication through the pseudoaneurysm caused major para-mitral regurgitation and the development of acute heart failure...
March 31, 2017: Echocardiography
https://www.readbyqxmd.com/read/28363376/acute-chest-wall-infections-surgical-site-infections-necrotizing-soft-tissue-infections-and-sternoclavicular-joint-infection
#17
REVIEW
Paul Schipper, Brandon H Tieu
Acute chest wall infections are uncommon and share similar risk factors for infection at other surgical sites. Smoking cessation has been shown to decrease the risk of surgical site infection. Depending on the depth of infection and/or involvement of the organ space, adequate therapy involves antibiotics and drainage. Early diagnosis and debridement of necrotizing soft tissue infections is essential to reduce mortality. Sternoclavicular joint infections require surgical debridement, en bloc resection, and antibiotic therapy...
May 2017: Thoracic Surgery Clinics
https://www.readbyqxmd.com/read/28360863/differences-in-oral-structure-and-tissue-interactions-during-mouse-vs-human-palatogenesis-implications-for-the-translation-of-findings-from-mice
#18
Kai Yu, Mei Deng, Theresa Naluai-Cecchini, Ian A Glass, Timothy C Cox
Clefting of the secondary palate is one of the most common human birth defects and results from failure of the palatal shelves to fuse during embryonic development. Palatogenesis is traditionally considered to be a highly conserved developmental process among mammalian species. However, cleft palate phenotypes in humans are considerably more variable than those seen in mice, the most common animal model for studying palatal development and pathogenesis of cleft palate. In this investigation, we utilized macroscopic observations, histology and 3D imaging techniques to directly compare palate morphology and the oral-nasal cavity during palate closure in mouse embryos and human conceptuses...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28359353/guitar-string-suture-to-facilitate-closure-of-a-finger-like-flap-for-reconstruction-of-the-nose
#19
E Querol-Cisneros, P Redondo
INTRODUCTION: The basic principle of a lobed or finger-like transposition flap is that, after covering the defect with the transposed tissue, the donor site is closed primarily. With large defects, a second lobe may be added to the flap if primary closure of the area left by the first lobe is not possible. The flap can often be made to adapt to the defect, but this maneuver, in combination with primary closure of the adjacent tissue, can sometimes produce excessive tension and compromise the blood supply...
March 27, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28356202/role-of-tissue-expansion-in-abdominal-wall-reconstruction-a-systematic-evidence-based-review
#20
Kimberly E Wooten, Cemile Nurdan Ozturk, Can Ozturk, Peter Laub, Nell Aronoff, Raffi Gurunluoglu
BACKGROUND: Tissue expanders (TEs) can be used to assist primary closure of complicated hernias and large abdominal wall defects. However, there is no consensus regarding the optimal technique, use, or associated risk of TE in abdominal wall reconstruction. METHODS: A systematic search of PubMed and Embase databases was conducted to identify articles reporting abdominal wall reconstruction with TE techniques. English articles published between 1980 and 2016 were included on the basis of the following inclusion criteria: two-stage TE surgical technique, >3 cases, reporting of postoperative complications, hernia recurrence, and patient-based clinical data...
February 28, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
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