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https://www.readbyqxmd.com/read/29158099/a-novel-dissection-method-using-a-flexible-neuroendoscope-for-resection-of-tumors-around-the-aqueduct-of-sylvius-a-case-report
#1
Takayuki Ishikawa, Kazuhito Takeuchi, Nobuhiro Tsukamoto, Teppei Kawabata, Toshihiko Wakabayashi
Flexible endoscopes have both a wide range of movement and a wide field of view and are thus widely used for endoscopic third ventriculostomy and biopsy. However, tumor resection using flexible endoscopes has scarcely been reported, likely owing to their single port, which has a diameter of 1.2-2.0 mm. Furthermore, flexible endoscopes do not allow some of the basic neurosurgical manipulations, especially sharp dissection with counter tension. Additionally, the position of the forceps and coagulators is fixed within the endoscope...
November 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29155777/transurethral-instillation-procedure-in-adult-male-mouse
#2
Sanghee Lee, Alonso Carrasco, Randall B Meacham, Anna P Malykhina
Transurethral instillation can be used to deliver different solutions with active ingredients (e.g., drugs, chemicals, bacteria, and viruses) locally into the urinary bladder to either induce animal models of bladder pathologies or evaluate the effectiveness of intravesical treatments. Most rodent models of lower urinary tract (LUT) pathologies are induced in female mice due to ease of intravesical instillation of the substances via the female urethra. However, due to anatomical differences between the female and male LUT, transurethral instillation in a male mouse has been deemed a very challenging procedure, and it has not been previously described...
November 2, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29155140/pregnancy-and-parturition-negatively-impact-vaginal-angle-and-alters-expression-of-vaginal-mmp-9
#3
Sallie Oliphant, Timothy Canavan, Stacy Palcsey, Leslie Meyn, Pamela Moalli
BACKGROUND: Parity is the greatest risk factor for the development of pelvic organ prolapse. The normally supported vagina is pulled up and back over the levator ani. Loss of vaginal angulation has been associated with prolapse and may represent injury to the vaginal supportive tissues. OBJECTIVE: We propose that 1) pregnancy and delivery impact support to the vagina leading to loss of vaginal angle; 2) vaginal angulation is restored postpartum; and 3) uncomplicated vaginal delivery (VD) is associated with accelerated remodeling of the vaginal fibrillar matrix...
November 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29151936/multiple-guided-technologies-based-on-radial-probe-endobronchial-ultrasound-for-the-diagnosis-of-solitary-peripheral-pulmonary-lesions-a-single-center-study
#4
Huang Haidong, Ning Yunye, Zhang Wei, Paul Zarogoulidis, Wolfgang Hohenforst-Schmidt, Yan-Gao Man, Yang Yuguang, Dong Yuchao, Bai Chong
Objective To evaluate the value of multiple guided technologies based on radial probe endobronchial ultrasound (R-EBUS) in the application of the diagnosis of solitary pulmonary peripheral lesions (PPLs). Methods Analysis of diagnostic yield in 4 groups patients with different combined multiple guided technologies based on R-EBUS, 94 patients with 94 solitary PPLs from Mar, 2013 to Nov, 2014 in Changhai Hospital. Results The overall diagnostic yield was 75% (70/94), the diagnostic yield of Group A (R-EBUS) was 62%(16/26), Group B (R-EBUS with guided sheath, EBUS-GS) was 76% (34/45), Group C (EBUS-GS with fluoroscopy) was 82% (9/11), Group D (virtual bronchoscopic navigation guided EBUS-GS with fluoroscopy) was 92% (11/12)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29150230/cesarean-birth-what-s-in-a-name
#5
L Ni, A Elsaharty, I McConachie
BACKGROUND: Cesarean birth is known as both cesarean section (CS) or cesarean delivery (CD). The International Journal of Obstetric Anesthesia (IJOA) is the leading obstetric anesthesia journal, and a barometer of attitudes within the profession. The journal recently published the hundredth issue, spanning 25 years (to December 2016). It is an opportune time to examine the evolution of surgical birth terminology (CS versus CD) during that period. METHODS: We examined 1583 articles in IJOA, subdividing them into editorials, papers, review articles, debates and case reports...
September 28, 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/29150150/biocompatible-hollow-polymeric-particles-produced-by-a-mild-solvent-and-template-free-strategy
#6
Eustolia Rodríguez-Velázquez, Pablo Taboada, Manuel Alatorre-Meda
Macroscopic hollow polymeric particles are attractive materials for various applications such as surgery, food industry, agriculture, etc. However, protocols reporting their synthesis have hitherto made use of organic solvents and/or sacrificial templates, compromising the encapsulation of different bioactive compounds and the process yield. Here, millimeter-size, hollow polymeric particles were synthesized, for the first time, in a solvent- and template free manner onto superhydrophobic surfaces (SHS). The particles were produced upon assembly and double superficial crosslinking of liquid droplets of DNA and methacrylamide chitosan aqueous solutions (CH:MA), leading to liquid-core particles with a hardened hydrogel shell...
November 14, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29148122/altered-frontal-interhemispheric-and-fronto-limbic-structural-connectivity-in-unmedicated-adults-with-obsessive-compulsive-disorder
#7
Xiaofu He, Emily Steinberg, Mihaela Stefan, Martine Fontaine, H Blair Simpson, Rachel Marsh
BACKGROUND: Previous diffusion tensor imaging (DTI) studies of obsessive-compulsive disorder (OCD) have primarily used voxel- or tract-based methods to assess white matter microstructure in medicated patients. This is the first probabilistic tractography study to assess the structural connectivity of all major white matter tracts in unmedicated adults with OCD without comorbid psychopathology. We hypothesized that OCD compared to healthy participants would show reduced integrity in frontal interhemispheric and fronto-limbic tracts...
November 16, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/29146391/small-diameter-hysteroscopic-metroplasty-for-a-septate-uterus-after-open-assisted-laparoscopic-radical-trachelectomy
#8
Akimasa Takahashi, Hiroyuki Kanao, Nobuhiro Takeshima
STUDY OBJECTIVE: To describe a two-step fertility preservation technique for early-stage cervical cancer of a patient with a complete septate uterus. DESIGN: A step-by-step demonstration and explanation of the technique in a surgical video (Canadian Task Force Classification III). SETTING: Center for cancer, a tertiary referral center. The patient provided informed consent to use images and videos of the procedure. Institutional Review Board approval was not required for this kind of procedure...
November 13, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29141073/forces-of-tool-tissue-interaction-to-assess-surgical-skill-level
#9
Taku Sugiyama, Sanju Lama, Liu Shi Gan, Yaser Maddahi, Kourosh Zareinia, Garnette R Sutherland
Importance: The application of optimal forces between surgical instruments and tissue is fundamental to surgical performance and learning. To date, this force has not been measured clinically during the performance of microsurgery. Objectives: To establish a normative catalog of force profiles during the performance of surgery, to compare force variables among surgeons with different skill levels, and to evaluate whether such a force-based metric determines or differentiates skill level...
November 15, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/29137052/arytenoid-cartilage-dislocation-mimicking-bilateral-vocal-cord-paralysis-a-case-report
#10
Eun H Chun, Hee J Baik, Rack K Chung, Hun J Lee, Kwangseob Shin, Jae H Woo
RATIONALE: Arytenoid dislocation is very rare and may be misdiagnosed as vocal cord paralysis or a self-limiting sore throat. PATIENT CONCERNS: A 70-year-old male (70 kg, 156 cm) was scheduled for transurethral resection of bladder tumors. A McGrath videolaryngoscope, with a basic cuffed Mallinckrodt oral tracheal tube of 7.5 mm internal diameter, was used to successfully intubate his trachea. The duration of surgery was 25 minutes. In the recovery room, he complained of sore throat and dyspnea with inspiratory stridor, which were not resolved after intravenous injection of 10 mg of dexamethasone...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136630/one-to-one-correspondence-locations-of-resected-polyps-after-endoscopic-resection-using-catcher-tagged-method-a-randomized-prospective-study
#11
Hirohito Mori, Hideki Kobara, Nobuya Kobayashi, Noriko Nishiyama, Seiki Kobayashi, Takaharu Yagi, Tsutomu Masaki
BACKGROUND/AIMS: Multiple colorectal polyps with a diameter in the range of 10-19 mm are unable to be retrieved through a 3-mm endoscopic channel by the aspiration method. This study aims to assess the usefulness of Catcher Tag retrieval, which not only allows the accurate identification of the resected location but also enables the easiest retrieval in a short time without any special device. METHODS: One hundred thirty five patients (483 polyps) were diagnosed with colorectal neoplasm, and 64 patients (225 polyps) were enrolled and randomly allocated into the Net forceps group (NET) and the Catcher Tagged group (TAG)...
November 14, 2017: Digestion
https://www.readbyqxmd.com/read/29135695/short-term-impact-of-assisted-deliveries-evaluation-based-on-behavioral-pain-scoring-and-heart-rate-variability
#12
Thameur Rakza, Laura Butruille, Ms Lucille Thirel, Veronique Houfflin-Debarge, Régis Logier, Laurent Storme, Julien DE Jonckheere
OBJECTIVES: Assisted deliveries are used in current practice by obstetrical teams during labor when the fetus is likely to face difficulties. In this study, we hypothesized that pain related to instrumental delivery could impair autonomic nervous system activity. METHODS: We investigated infants born by spontaneous delivery (SD group, n=35) and those whose deliveries were assisted by vacuum, forceps or both (AD group, n=35) between the 2 and 4 hours of life. Pain was evaluated using the EDIN behavioral pain scale (Neonatal Pain and Discomfort Scale)...
November 10, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/29133661/the-sting-of-a-honey-bee-an-unusual-subconjunctival-foreign-body
#13
Sushank A Bhalerao, Prabhakar Singh, Padmaja Kumari Rani, Varsha Rathi
Ocular foreign bodies (FBs) are often encountered in clinical practices. However, there are cases in which the presence of the FB is difficult to diagnose based on mere history taking and/or clinical examination. We herein present a case of unusual subconjunctival foreign body in the form of the sting of a honey bee in a 63-year-old farmer. This was removed from the superior forniceal subconjunctival space in toto with forceps under a microscope in the operation theater. This case emphasizes the need to elicit a complete history and a careful ocular examination with double eversion of the eyelid to avoid missing any foreign body lodged in the fornices and subconjunctival space in patients who complained of foreign body sensation...
November 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29133638/comparison-of-the-endosaver-with-noninjector-techniques-in-descemet-s-stripping-endothelial-keratoplasty
#14
Michael Tsatsos, Ioannis Athanasiadis, Nikolaos Kopsachilis, Radhika Krishnan, Parwez Hossain, David Anderson
PURPOSE: Minimal loss of corneal endothelial cells during corneal transplantation is a major target but remains a point of controversy among specialists. Hence, the available method to best achieve this continues to stir progress in the field. The aim of this study is to evaluate the use of the Endosaver injector device for graft insertion in Descemet's stripping endothelial keratoplasty (DSEK) and compare the visual outcomes and endothelial cell survival between the Endosaver injector and Goosey grasping forceps insertion techniques...
November 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29130230/-protective-measures-in-laparoscopic-resection-for-upper-or-mid-rectal-cancer-and-sigmoid-colon-cancer-with-transrectal-specimen-extraction-surgery
#15
Chuangang Fu, Zhuqing Zhou, Junyi Han, Bin Lu, Wei Gao, Zhe Zhu, Qixin Jiang, Fang Ji, Tao Du
OBJECTIVE: To introduce the use of a self-made specimen protective sleeve in laparoscopic resection for upper or mid rectal cancer and sigmoid colon cancer with transrectal specimen extraction surgery and the improvement of implantation method, so as to avoid and reduce bacterial contamination and tumor cell dissemination in abdominal cavity. METHODS: During June 2015 and May 2017, 48 cases of high located rectal or sigmoid colon cancer were operated laparoscopically with natural orifices specimen extraction surgery (NOSES) using a self-made specimen protecting sleeve...
October 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29128899/a-no-touch-technique-for-pulmonary-wedge-resection-of-lung-cancer
#16
Noriyoshi Sawabata, Takeru Hyakutaka, Takeshi Kawaguchi, Motoaki Yasukawa, Norikazu Kawai, Takashi Tojo, Shigeki Taniguchi
OBJECTIVE: Many of the surgical patients with lung cancer die by metastasis originated from circulating tumor cells (CTCs) which are seeds of metastases. A ring-shaped catching forceps, which generates the great pressure by compression, may reduce the risk of tumor cell spreading. Here, we investigated the efficacy of such forceps based on CTC occurrence. METHODS: Twenty-three patients with clinical stage IA lung cancer who underwent a pulmonary wedge resection were investigated in a clinical-pathological manner...
November 11, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29128850/exploring-the-newborn-head-diameters-in-relation-to-current-obstetric-forceps-dimensions-a-systematic-review
#17
Abdul-Qader T Ismail, Derick Yates, Jonathan Chester, Khaled M K Ismail
OBJECTIVE: The aim of this study was to systematically search the literature for studies that reported term neonate head size and shape, in an attempt to determine the most appropriate dimensions for the obstetric forceps. STUDY DESIGN: We searched the Ovid Medline, Ovid Embase and Ebscohost CINAHL databases from inception to February 2016. We predefined inclusion criteria to identify studies in which head width and length of asymptomatic, term neonates were measured soon after birth using direct, non-photographic methods A bespoke quality assessment score was used to evaluate the identified studies...
October 28, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29128701/quality-evaluation-of-sperm-from-livebearing-fishes-standardized-assessment-of-sperm-bundles-spermatozeugmata-from-xenotoca-eiseni-goodeidae
#18
Yue Liu, Leticia Torres, Terrence R Tiersch
Standardized evaluation of sperm quality is essential for research, commercial-scale cryopreservation, and induced spawning. However, standardized methods for evaluation of sperm bundles (spermatozeugmata or spermatophores) have not been established. The purpose of the present study was to use Redtail Splitfin (Xenotoca eiseni) as a model for freshwater livebearing fishes to establish initial standardized methods to collect sperm bundles, and quantitatively and qualitatively evaluate quality-related attributes...
October 28, 2017: Theriogenology
https://www.readbyqxmd.com/read/29122820/comparing-a-new-hydroexpression-technique-with-conventional-forceps-method-for-smile-lenticule-removal
#19
Alex L K Ng, George P M Cheng, Victor C P Woo, Vishal Jhanji, Tommy C Y Chan
BACKGROUND: We described a modified 'hydroexpression' technique for the lenticule removal during small-incision lenticule extraction (SMILE) surgery and compared the results with conventional forceps method. METHODS: This was a retrospective, comparative study of 50 patients who underwent SMILE surgery by the same surgeon. We compared the 1-week and 3-months postoperative results after SMILE using the hydroexpression technique with the conventional forceps technique...
November 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29122604/clinical-predictors-of-histological-type-of-gastric-cancer
#20
Takashi Kanesaka, Takashi Nagahama, Noriya Uedo, Hisashi Doyama, Tetsuya Ueo, Kunihisa Uchita, Naohiro Yoshida, Yasuhito Takeda, Kentaro Imamura, Kurato Wada, Hideki Ishikawa, Kenshi Yao
BACKGROUND AND AIMS: Gastric cancer is classified into differentiated and undifferentiated types according to the degree of glandular differentiation. Undifferentiated-type early gastric cancer (EGC) carries a higher risk of lymph node metastasis than differentiated type, and the indication criteria for endoscopic resection thus differ. This study aimed to clarify the diagnostic abilities of clinical predictors to distinguish between differentiated-type and undifferentiated-type EGCs...
November 6, 2017: Gastrointestinal Endoscopy
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