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https://www.readbyqxmd.com/read/29779288/-advances-in-surgical-techniques-of-periodontal-corticotomy
#1
Si-Yu Wang, Zhen-Dong Wang, Bin Yan
The number of adults seeking orthodontic treatment is increasing. Shortening the course of orthodontic treatment has become a research hotspot in recent years. Methods of accelerating tooth movement have been reported. Theoretical and clinical studies have confirmed that periodontal corticotomy is effective in accelerating tooth movement and increasing osteogenic potential. Many surgical techniques of periodontal corticotomy have been developed. This review summarizes the history of periodontal corticotomy and the development of the surgical techniques in recent years, thereby providing references for the clinical application of corticotomy...
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29779220/human-intrabony-defect-regeneration-with-micro-grafts-containing-dental-pulp-stem-cells-a-randomized-controlled-clinical-trial
#2
Francesco Ferrarotti, Federica Romano, Mara Noemi Gamba, Andrea Quirico, Marta Giraudi, Martina Audagna, Mario Aimetti
AIM: The goal of this study was to evaluate if dental pulp stem cells (DPSCs) delivered into intrabony defects in a collagen scaffold would enhance the clinical and radiographic parameters of periodontal regeneration. MATERIALS AND METHODS: In this randomized controlled trial, 29 chronic periodontitis patients presenting one deep intrabony defect and requiring extraction of one vital tooth were consecutively enrolled. Defects were randomly assigned to test or control treatments which both consisted of the use of minimally invasive surgical technique...
May 19, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29779186/mastoid-foramen-mastoid-emissary-vein-and-clinical-implications-in-neurosurgery
#3
Martin Hampl, David Kachlik, Katerina Kikalova, Roxane Riemer, Matej Halaj, Vlastimil Novak, Premysl Stejskal, Miroslav Vaverka, Lumir Hrabalek, David Krahulik, Ondrej Nanka
BACKGROUND: Mastoid emissary vein is especially important from the neurosurgical point of view, because it is located in variable number in the area of the occipitomastoid suture and it can become a source of significant bleeding in surgical approaches through the mastoid process, especially in retrosigmoid craniotomy, which is used for approaches to pathologies localized in the cerebellopontine angle. Ideal imaging method for diagnosis of these neglected structures when planning a surgical approach is high-resolution computed tomography...
May 20, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29779056/posterior-only-versus-combined-anterior-posterior-fusion-in-scheuermann-disease-a-large-retrospective-study
#4
Guillaume Riouallon, Christian Morin, Yann-Philippe Charles, Pierre Roussouly, Gaby Kreichati, Ibrahim Obeid, Stéphane Wolff
PURPOSE: The literature shows controversies concerning surgical treatment of Scheuermann's kyphosis between posterior-only fixation and combined anterior/posterior fusion. The aim of this study is to compare the clinical and radiological results and the rate of complications between these two techniques. METHODS: We performed a multicentric retrospective review of 131 patients who underwent primary fusion for Scheuermann's kyphosis divided into two groups: 67 patients operated via posterior approach only and 64 operated via combined anterior/posterior approach...
May 19, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29778971/infraclavicular-and-supraclavicular-approaches-to-brachial-plexus-for-ambulatory-elbow-surgery-a-randomized-controlled-observer-blinded-trial
#5
Shalini Dhir, Brigid Brown, Peter Mack, Yves Bureau, Janice Yu, Douglas Ross
STUDY OBJECTIVE: To compare the effectiveness of supraclavicular and infraclavicular approaches to brachial plexus block for elbow surgery. DESIGN: Prospective, parallel arm, observer-blinded, randomized controlled trial. SETTING: This study occurred in a designated block room at St. Joseph's hospital, a large academic tertiary hospital in London, Canada. PATIENTS: 150 adult ASA class I-III patients undergoing elective ambulatory elbow surgery...
May 17, 2018: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/29778823/toward-smart-nebulization-engineering-acoustic-airflow-to-penetrate-maxillary-sinuses-in-chronic-rhinosinusitis
#6
Shima Jowhari Moghadam, Laurent Navarro, Lara Leclerc, Sophie Hodin, Jérémie Pourchez
Treating chronic rhinosinusitis (CRS) by nebulization requires an airflow capable to deliver medication to deep target sites beyond the nasal valve. Fixed frequency acoustic airflow technology is currently available, mainly as post-surgical therapy, but still have not been able to realize the full potential of direct nose to paranasal sinuses delivery. Reported herein are the application of frequency sweep acoustic airflow and the optimization of its frequency range, sweep cycle duration and intensity. The resonant frequencies of the model's maxillary sinuses can be estimated using the Helmholtz resonator theory...
May 17, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29778818/the-fate-of-the-tricuspid-valve-following-the-transatrial-closure-of-the-ventricular-septal-defect
#7
Raffaele Giordano, Massimiliano Cantinotti, Luigi Di Tommaso, Giuseppe Comentale, Andrea Tozzi, Emanuele Pilato, Gabriele Iannelli, Gaetano Palma
BACKGROUND: The transatrial repair of the ventricular septal defect (VSD) requires an adequate exposure of its rim. We retrospectively evaluated the impact of adopting the tricuspid valve incision (TVI) technique, either with detachment or radial incision, on the postoperative outcome of children undergoing surgical VSD repair. METHODS: From January 2008 to September 2017 we retrospectively enrolled 141 patients, divided into two groups: 97 patients were subjected to TVI (68...
May 17, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29778700/paediatric-cystolitholapaxy-through-the-mitrofanoff-monti-channel
#8
J S Thomas, N Smeulders, F Yankovic, S Undre, I Mushtaq, P-J López, P Cuckow
INTRODUCTION: Bladder calculi are a known complication of bladder augmentation. Open cystolithotomy remains the preferred option for treating large or multiple stones. Increasingly, however, minimal access techniques have been used. Reports of Mitrofanoff cystolitholapaxy are rare and have been limited to adults. This study presented a two centre series of children treated by cystolitholapaxy via the Mitrofanoff/Monti channel. MATERIALS AND METHODS: With institutional approval the current study retrospectively reviewed and identified 14 patients, on a prospective database, who underwent Mitrofanoff cystolitholapaxy to treat bladder calculi at two independent institutions in the UK and Chile between 2004 and 2016...
April 4, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29778621/-surgical-treatment-of-early-stage-non-small-cell-lung-cancer-by-thoracoscopic-segmental-resection
#9
A Seguin-Givelet, J Lutz, E Brian, M Grigoroiu, D Gossot
The rate of segmental resection for early stage non-small cell lung carcinoma (NSCLC) is increasing. However, the indications remain controversial. The aim of this study is to analyze the preliminary results of thoracoscopic segmental resection in early stage NSCLC in terms of morbidity, oncological validity and survival. We report the preliminary results of a consecutive series of 226 thoracoscopic segmentectomies for suspicion of early stage NSCLC. PATIENTS AND METHODS: Between 2007 and 2016, we performed 322 thoracoscopic anatomical sublobar resections (ASLR)...
May 17, 2018: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/29778393/fertility-preservation-in-pediatric-female-cancer-patients
#10
Sara E Arian, Rebecca L Flyckt, Richard Herman, Hadi Erfani, Tommaso Falcone
OBJECTIVE: To describe and demonstrate ovarian tissue cryopreservation (OTC) as an emerging fertility preservation technique DESIGN: Video presentation. SETTING: University hospital. PATIENT(S): A 6 year-old female patient diagnosed with aplastic anemia with plan for bone marrow transplantation underwent laparoscopic unilateral oophorectomy in conjunction with surgical procedure for port placement by the pediatric surgeon, followed by cryopreservation of ovarian tissue...
May 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29778336/implementation-of-the-aortic-no-touch-technique-to-reduce-stroke-after-off-pump-coronary-surgery
#11
Alexander Albert, Jürgen Ennker, Yasser Hegazy, Sebastian Ullrich, Georgi Petrov, Payam Akhyari, Stefan Bauer, Eda Ürer, Ina Carolin Ennker, Artur Lichtenberg, Horst Priss, Alexander Assmann
OBJECTIVES: Despite substantial scientific effort, the relationship between stroke after coronary artery bypass grafting and the use of the aortic no-touch off-pump technique (anOPCAB) remains incompletely understood. The present study aimed to define the effect of anOPCAB on the occurrence and time point of stroke. METHODS: A total cohort of 15,042 consecutive patients underwent surgical myocardial revascularization at a single institution. After establishing anOPCAB as routine procedure, 4695 patients received surgery by 18 different surgeons using the anaortic approach...
April 11, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29778279/outcomes-after-surgical-resection-of-lower-eyelid-tumors-and-reconstruction-using-a-nasal-chondromucosal-graft-and-an-upper-eyelid-myocutaneous-flap
#12
S Lemaître, C Lévy-Gabriel, L Desjardins, M González-Candial, S Gardrat, R Dendale, N Cassoux, B Couturaud
INTRODUCTION: Surgical excision of large malignant lower eyelid tumors may cause important full-thickness eyelid defects. The reconstruction of such defects must restore the physiologic function of the eyelid and also re-establish an acceptable aesthetic result. MATERIALS AND METHODS: We report the outcomes of full-thickness excision of tumors extending over half of the horizontal lid length, followed by reconstruction using a nasal chondromucosal graft (coming from the ipsilateral ala of the nose) and an upper eyelid myocutaneous flap...
May 16, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29777897/robot-assisted-radiofrequency-ablation-of-a-sacral-s1-s2-aggressive-hemangioma
#13
A Kaoudi, C Capel, L Chenin, J Peltier, M Lefranc
Aggressive vertebral hemangiomas are rare tumors of the spine. The treatment management strategy usually consists of vertebroplasty, radiation therapy or in rare cases of surgical strategy. We present a case of a bulging sacral S1-S2 hemangioma in the spinal canal that could not be managed in the usual manner. Here, we demonstrate the usefulness of radiofrequency ablation technique as an alternative treatment as well as robotic assistance for optimal placement of the ablation probe within the lesion.
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777892/surgically-treated-de-novo-cervico-medullary-arachnoid-cyst-in-a-symptomatic-adult-patient
#14
William Clifton, Gazanfar Rahmathulla, Kourosh Tavanaiepour, Dunbar Alcindor, George Jakubek, Daryoush Tavanaiepour
Arachnoid cysts are a relatively common finding in adult patients, especially with the advent of advanced imaging techniques. The overall incidence ranges from 1-2%, and the majority are clinically silent1,2 . Arachnoid cysts are postulated to arise by congenital anomalies or trauma1 . De novo formation of arachnoid cysts has been reported, but is exceptionally rare and mostly found in the pediatric population after head trauma3-5 . There have only been two reported cases of symptomatic de novo arachnoid cyst formation in adult patients to date, both with histories of head trauma6,7 ...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777891/surgical-strategy-for-and-anatomical-locations-of-petroapex-and-petroclival-meningiomas-based-on-evaluation-of-the-feeding-artery
#15
Kazuhide Adachi, Mituhiro Hasegawa, Shinichiro Tateyama, Yushi Kawazoe, Yuichi Hirose
OBJECTIVE: The anterior transpetrosal (ATP) approach is the most appropriate approach for petroclival meningiomas, which are typically located from the dorsum sellae to the upper border of the internal acoustic meatus (IAM). Although neurosurgeons can resect over this area if the tumor is detached from the dura, tumors within the indication area for petroclival meningiomas is insufficient for the selection of the ATP approach because it can be difficult to evaluate whether the tumor is attached or only touching the dura...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777887/linear-cutting-trepanation-in-italy-a-unique-case-from-hellenistic-sicily-3-rd-century-bc
#16
REVIEW
Giorgia Tulumello, Giulia Riccomi, Simona Minozzi, Sveva Longo, Marcello Longo, Valentina Giuffra
During the archaeological excavations conducted in the Hellenistic necropolis discovered in Messina (Sicily, Italy) dating back to the 3rd century BC., a skeleton showing evidence of cranial traumas and surgical intervention was found. The skull, belonging to a young adult male, presented signs of four head injuries produced by both blunt and sharp-edged instruments. The first two lesions, located on the frontal bone, were produced by blunt blows and showed signs of long-time survival. The third lesion, located on the inferior portion of the right parietal, suggests a perimortem non-penetrating linear cut probably caused by a blade instrument...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777795/sirna-in-ovarian-cancer-delivery-strategies-and-targets-for-therapy
#17
REVIEW
Dirk van den Brand, Vicky Mertens, Leon F A G Massuger, Roland Brock
Epithelial ovarian cancer (EOC) is the most lethal gynecological malignancy, and the sixth leading cause of cancer related death in women overall. Despite improved surgical techniques and advances in chemotherapy, mortality hardly decreased over the last twenty years. The major problem is that (micro)metastases persevere in the abdominal cavity, causing incurable tumor recurrence. Therefore, there is an imminent need for new therapeutic strategies. Oligonucleotide (ON) based therapies such as RNA interference (RNAi) provide the possibility to specifically address disease-related pathways...
May 16, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29777778/anterior-approach-in-humeral-plating-osteosynthesis
#18
Daniel Handy Eone, Prudence Christelle Danielle Ngono, Marie Josée Essi, Gaël Leckpa, Kennedy Olivier Muluem, Farikou Ibrahima, Maurice Aurélien Sosso
CONTEXT: Humeral plating osteosynthesis is controversial, particularly regarding the choice between anterior and lateral approach, data for which in the context of a low-income country are lacking. HYPOTHESIS: The anterior approach is an easy surgical technique, allowing good anatomic reconstruction. We hypothesize that the anterior approach is associated with fewer neurovascular lesions and functional sequelae than the lateral approach. MATERIALS AND METHODS: A retrospective study with assessment update was carried out over a period of 6 years 4 months from January 2010 to June 2016, with consecutive recruitment in the city of Yaoundé, Cameroon...
May 16, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29777431/modified-anterior-palatoplasty-and-double-suspension-sutures-with-or-without-tonsillectomy-in-selected-patients-with-obstructive-sleep-apnea-a-preliminary-report
#19
Sherif M Askar, Mohammad W El-Anwar, Ali Awad
BACKGROUND: Retropalatal region might be considered the most common site of obstruction in patients with snoring and OSA. We aimed at presentation of two combined techniques: modified anterior palatoplasty (MAP) and bilateral double suspension suture (DSS). METHODS: This prospective study was conducted on OSA patients with retro-palatal collapse only that was confirmed by nasoendoscopy during Muller's maneuver and drug induced sleep endoscopy. MAP and DSS were performed for all patients...
May 18, 2018: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29777422/patellofemoral-cartilage-repair
#20
REVIEW
Alexandre Barbieri Mestriner, Jakob Ackermann, Andreas H Gomoll
PURPOSE OF REVIEW: This review provides an overview of well-established and newly developed cartilage repair techniques for cartilage defects in the patellofemoral joint (PFJ). An algorithm will be presented for approaching cartilage defects considering the distinct anatomy of both the patellar and trochlear articular surfaces. RECENT FINDINGS: Recent studies on cartilage repair in the PFJ have demonstrated improved outcomes in an attempt to delay or obviate the need for arthroplasty, and improve symptoms in young patients...
May 18, 2018: Current Reviews in Musculoskeletal Medicine
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