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https://www.readbyqxmd.com/read/28817742/minimum-abutment-height-to-eliminate-bone-loss-influence-of-implant-neck-design-and-platform-switching
#1
Sergio Spinato, Pablo Galindo-Moreno, Fabio Bernardello, Davide Zaffe
PURPOSE: This retrospective study quantitatively analyzed the minimum prosthetic abutment height to eliminate bone loss after 4.7-mm-diameter implant placement in maxillary bone and how grafting techniques can affect the marginal bone loss in implants placed in maxillary areas. MATERIALS AND METHODS: Two different implant types with a similar neck design were singularly placed in two groups of patients: the test group, with platform-switched implants, and the control group, with conventional (non-platform-switched) implants...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28801692/-urethral-centralization-and-pseudo-glans-formation-after-partial-penectomy
#2
REVIEW
J Kranz, A Parnham, M Albersen, V Sahdev, M Ziada, R Nigam, A Muneer, J Steffens, P Malone
The management of penile cancer has altered dramatically over the last decade. Confidence to excise lesions safely with smaller margins has led to the adoption of penile-preserving techniques and in turn improved the functional and cosmetic results. Patients undergoing partial penectomy (PP) find that the urethral meatus is located in an abnormal ventral position. In addition, there is a high risk of meatal stenosis. We describe our novel technique that allows the urethral meatus to be centralised after PP and creation of a pseudo-glans and wide meatus and therefore maintain the cosmetic appearance of the penis after split thickness skin grafting...
August 11, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28776131/pure-distraction-injury-of-t1-2-with-quad-fever
#3
Jun-Yeong Seo, Chae-Moon Lim, Young-Hoon Kim, Kee-Yong Ha
INTRODUCTION: We report a pure distraction injury of the upper thoracic spine and uncontrolled hyperthermia without an infectious cause. Quad fever appears in the first several weeks to months after a cervical or upper thoracic SCI and is characterized by an extreme elevation in body core temperature beyond 40 °C without an infectious cause. Discriminating between infectious and noninfectious causes is important, and a thorough clinical assessment is required. MATERIALS AND METHODS: A 52-year-old male visited the emergency room complaining of back pain with complete paralysis [American Spinal Injury Association (ASIA) A] of both lower extremities after a pedestrian-motor vehicle accident...
August 3, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28765988/scaphoid-nonunion-does-open-reduction-bone-grafting-and-herbert-screw-fixation-justify-the-treatment
#4
K C Kapil Mani, Parimal Acharya
PURPOSE: Conventional bone grafting and Herbert screw fixation give satisfactory results for scaphoid nonunion; however, vascularized bone grafting has superior results, especially in the case of avascular necrosis of proximal fragment. Vascularized bone grafting is technically more demanding with small error of margin, problems of getting the appropriate graft, fixation and incorporation, and requires longer duration for wrist immobilization. METHODS: Forty-five patients of scaphoid nonunion were treated by cancellous bone grafting, cortex containing graft if required and Herbert screw fixation...
August 1, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28757241/robotic-salvage-pyeloplasty-with-buccal-mucosal-onlay-graft-video-demonstration-of-technique-and-outcomes
#5
Anna Zampini, Ryan Nelson, Jj Haijing Zhang, Jeremy Reese, Kenneth Angermeier, Georges-Pascal Haber
OBJECTIVE To present the use of buccal mucosal graft (BMG) in a salvage robotic laparoscopic pyeloplasty as an alternative in the management of recurrent UPJ obstruction. METHODS We present two patients with recurrent UPJ obstruction who had previously undergone two prior open or robotic pyleoplasties, followed by endoscopic management. Preoperative imaging was obtained prior to surgical repair. The UPJ was incised and the incision extended to reveal margins of healthy normal caliber ureteral tissue. Single buccal mucosal graft were harvested from the inner cheek of each patient...
July 27, 2017: Urology
https://www.readbyqxmd.com/read/28755830/-dermatofibrosarcoma-protuberans-surgical-margins-using-slow-mohs-micrographic-surgery-a-clinical-retrospective-study-about-20-cases
#6
C Verbruggen, A S Ricard, O Cogrel, M Bondaz, S Carrier
OBJECTIVES: The main objective of this study is to determine the necessary surgical margins to obtain a complete R0 resection for head and neck dermatofibrosarcoma protuberans (DFSP) using Slow-Mohs micrographic surgery. The secondary objective is to study the recurrence rate of these tumors. PATIENTS AND METHODS: Slow-Mohs micrographic surgery was used for patients included between 2005 and 2015 at Bordeaux universitary hospital. For each patient the age, the sex and death occurrence, the initial surgical margins, the surgical margins for complete R0 resection, the occurrence of local or general recurrence during follow-up were reported...
July 26, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28741335/cardiopulmonary-bypass-time-every-minute-counts
#7
Sudharsan Madhavan, Siew-Pang Chan, Wei-Chuan Tan, Jolane Eng, Bowen Li, Hai-Dong Luo, Leok-Kheng K Teoh
BACKGROUND: This study was conducted to examine the impact of CPB times on post-operative outcomes. We sought to determine the optimum cut-offs of CPB per graft time and cumulative CPB time and their predictive accuracy for mortality in conjunction with EuroSCORE II. METHODS: The de-identified data of 1,960 patients who had undergone isolated on-pump CABG from 2009 to 2014 were analyzed. The risk strata of CPB/graft and cumulative CPB times, identified with a decision tree, were added into an augmented model for predicting short- and intermediate-term post-operative clinical events...
July 24, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28739320/immediate-implant-placement-into-posterior-sockets-with-or-without-buccal-bone-dehiscence-defects-a-retrospective-cohort-study
#8
Chen Hu, Ting Gong, Weimin Lin, Quan Yuan, Yi Man
OBJECTIVES: To evaluate bone reconstruction and soft tissue reactions at immediate implants placed into intact sockets and those with buccal bone dehiscence defects. METHODS: Fifty-nine internal connection implants from four different manufacturers were immediately placed in intact sockets(non-dehiscence group, n=40), and in alveoli with buccal bone dehiscence defects: 1) Group 1(n= N10), the defect depth measured 3-5 mm from the gingival margin. 2) Group 2(n=9), the depth ranged from 5mm to 7mm...
July 21, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28739189/endoscopic-transcanal-myringoplasty-for-tympanic-perforations-an-outpatient-minimally-invasive-procedure
#9
Chih-Chieh Tseng, Ming-Tang Lai, Chia-Che Wu, Sheng-Po Yuan, Yi-Fang Ding
OBJECTIVE: Since the 1950s, microscopic myringoplasty has been the standard surgery for repairing a perforated tympanic membrane. In addition to conventional microscopic myringoplasty, endoscopic myringoplasty has been an emerging technique since the late 1990s. This study evaluated the efficacy of endoscopic transcanal myringoplasty for repairing tympanic perforations and examined the minimally invasive feature of this technique (no postauricular incision, no canalplasty). METHODS: We retrospectively reviewed the medical records of patients who underwent endoscopic transcanal myringoplasty for perforations of the tympanic membrane...
July 21, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28738239/delayed-graft-duodenal-perforation-due-to-impacted-food-five-years-after-simultaneous-pancreas-kidney-transplantation-a-case-report
#10
Taizo Sakata, Hideki Katagiri, Tadao Kubota, Takashi Sakamoto, Kentaro Yoshikawa, Alan Kawarai Lefor, Cheol Woong Jung, Toru Kojima
INTRODUCTION: Pancreas transplantation is the best treatment option in selected patients with type 1 diabetes mellitus. Here we report a patient with a nonmarginal duodenal perforation five years after a simultaneous pancreas-living donor kidney transplantation (SPLKT). PRESENTATION OF CASE: A 31-year old male who underwent SPLKT five years previously presented with severe abdominal pain. He had a marginal duodenal perforation four years later, treated by primary closure and drainage...
July 14, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28737559/complex-reconstruction-after-sarcoma-resection-and-the-role-of-the-plastic-surgeon-a-case-series-of-298-patients-treated-at-a-single-center
#11
Jonathan I Leckenby, Rachel Deegan, Adriaan O Grobbelaar
BACKGROUND: More than 1000 new patients present to the London Sarcoma Unit each year and between 5% and 10% require plastic surgery intervention. Advancements in radiotherapy and chemotherapy protocols combined with higher expectations for limb preservation has led to increased reconstructive challenges. Frequently, primary closure is achievable; however, larger tumors often require specialist reconstruction. STUDY DESIGN: A retrospective chart review of all referred patients from the London Sarcoma Unit requiring reconstruction between February 2006 and January 2015 was performed...
July 22, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28727462/tridimensional-reconstruction-of-a-complex-iatrogenic-defect-using-orthodontic-forced-eruption-and-minimally-invasive-bone-grafting
#12
Ernesto A Lee
As the use of dental implants has become more common, so has the frequency of complications and unforeseen outcomes. This article describes the treatment of a complex iatrogenic defect secondary to a failed implant (No. 7) and multiple bone-grafting attempts in the maxillary anterior region. The patient's revealing smile line and high-risk circumstances demanded the use of an interdisciplinary treatment approach with high potential for predictable esthetic results. Forced eruption was performed to restore the alveolar height deficit and develop the compromised hard and soft tissues around teeth Nos...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28726360/machine-perfusion-in-liver-transplantation-an-essential-treatment-or-just-an-expensive-toy
#13
Andrea A Schlegel, Marit Kalisvaart, Paolo Muiesan
This review focuses on recent developments in preservation techniques in liver transplantation. First, we discuss mechanisms of organ injury when using high-risk organs, including DCD and steatotic grafts and we summarize pathways of ischemia reperfusion injury together with their link to the immune response. Second, we report on improvement strategies of marginal liver grafts by different machine perfusion concepts and summarize perfusion approaches with recent clinical implementation.
July 20, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28724864/anatomic-and-histological-study-of-lingual-nerve-and-its-clinical-implications
#14
Yoshiaki Shimoo, Masahito Yamamoto, Masashi Suzuki, Masato Yamauchi, Akihiro Kaketa, Masaaki Kasahara, Masamitsu Serikawa, Kei Kitamura, Satoru Matsunaga, Shinichi Abe
Although the risk of injuring the lingual nerve in the mandibular molar area during dental treatment is high, it can be repaired by nerve grafting. However, from the perspective of clinical dentistry, the pathway and histomorphometric characteristics of this nerve remain to be documented in detail. The purpose of the present study was to morphologically elucidate the pathway of the lingual nerve to clarify its significance in a clinical setting. A histomorphometric analysis was also performed in consideration of nerve grafting...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28717790/soft-and-hard-tissue-response-%C3%A2-to-an-implant-with-a-convergent-%C3%A2-collar-in-the-esthetic-area-%C3%A2-preliminary-report-at-18-months
#15
Luigi Canullo, Marco Tallarico, Guillermo Pradies, Fabio Marinotti, Ignazio Loi, Roberto Cocchetto
AIM: The purpose of this prospective cohort study was to investigate, over an 18-month period, soft and hard tissue response to a transmucosal implant with a convergent collar inserted in the anterior maxillary esthetic area. MATERIALS AND METHODS: From June 2013 to January 2014, 14 consecutive patients were enrolled (7 men and 7 women; mean age 63.7 ± 14 years) with 20 implants, needing at least one implant-supported restoration between the canines in the maxillary anterior esthetic area...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28705523/early-volumetric-changes-after-vertical-augmentation-of-the-atrophic-posterior-mandible-with-interpositional-block-graft-versus-onlay-bone-graft-a-retrospective-radiological-study
#16
Antonio Barone, Paolo Toti, Giovan-Battista Menchini-Fabris, Pietro Felice, Saverio Marchionni, Ugo Covani
PURPOSE: The aim of this study was to evaluate volumetric and clinical outcomes of atrophic posterior mandibles treated with inlay or onlay bone grafting techniques. MATERIALS AND METHODS: In posterior mandibles, alveolar ridges were treated either with interpositional equine cancellous bone block (inlay group) or with onlay autogenous bone block (onlay group). Bone volumes at baseline and at 4 months after surgery were measured by computed tomography. RESULTS: A total of 20 subjects were enrolled in the present study: 10 in the inlay group and 10 in the onlay group...
January 25, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28689646/higher-m30-and-high-mobility-group-box-1-protein-levels-in-ex-vivo-lung-perfusate-are-associated-with-primary-graft-dysfunction-after-human-lung-transplantation
#17
Kohei Hashimoto, Marcelo Cypel, Stephen Juvet, Tomohito Saito, Ricardo Zamel, Tiago N Machuca, Michael Hsin, Hyunhee Kim, Thomas K Waddell, Mingyao Liu, Shaf Keshavjee
BACKGROUND: Ex vivo lung perfusion (EVLP) enables assessment of marginal donor lungs for transplantation, with similar clinical outcomes to conventional lung transplantation. We investigated whether cell death-related proteins in the EVLP perfusate could predict primary graft dysfunction (PGD) after transplantation. METHODS: M30 (indicating epithelial apoptosis), M65 (indicating total epithelial cell death), and high mobility group box 1 (HMGB-1, related to cell death and inflammation) protein levels in EVLP perfusate were measured by enzyme-linked immunosorbent assay and correlated with clinical outcomes...
June 21, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28689166/ocular-surface-cytokine-profile-in-chronic-stevens-johnson-syndrome-and-its-response-to-mucous-membrane-grafting-for-lid-margin-keratinisation
#18
Srividya Gurumurthy, Geetha Iyer, Bhaskar Srinivasan, Shweta Agarwal, Narayanasamy Angayarkanni
BACKGROUND: To study the tear cytokine and the conjunctival and oral mucosal marker profile in chronic ocular Stevens-Johnson syndrome (SJS) and their alteration following mucous membrane grafting (MMG) for lid margin keratinisation (LMK). METHODS: In a 1-year prospective study, SJS cases (n=25) and age-matched/sex-matched healthy controls (n=25) were recruited. Tear specimen (Schirmer's strip), conjunctival and oral mucosal imprints were collected from controls and SJS cases pre-MMG and post-MMG (at first follow-up, n=17)...
July 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28683053/assessing-the-safety-of-expanded-polytetrafluoroethylene-synthetic-grafts-in-living-donor-liver-transplantation-graft-migration-into-hollow-viscous-organs-diagnosis-and-treatment-options
#19
Shih-Chao Hsu, Ashok Thorat, Horng-Ren Yang, Kin-Shing Poon, Ping-Chun Li, Chun-Chieh Yeh, Te-Hung Chen, Long-Bin Jeng
BACKGROUND Our recent studies have highlighted the importance and safety of backtable venoplasty for middle hepatic vein (MHV) and inferior right hepatic veins (IRHV) reconstruction using expanded polytetrafluoroethylene (ePTFE) vascular grafts. In this study, we aim to analyze the complications associated with ePTFE graft use and discuss the management of the rare, but, potentially life threatening complications directly related to ePTFE conduits. MATERIAL AND METHODS From January 2012 to October 2015 a total of 397 patients underwent living donor liver transplantation (LDLT)...
July 6, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28682021/causes-and-surgical-outcomes-of-lower-eyelid-retraction
#20
Kun Hae Kim, Ji Sun Baek, Saem Lee, Jung Hye Lee, Hye Sun Choi, Sung Joo Kim, Jae Woo Jang
PURPOSE: To investigate the causes of lower eyelid retraction and evaluate the outcomes of various surgical procedures. METHODS: We conducted a retrospective medical record review of patients who underwent lower eyelid retraction surgery performed by a single surgeon at Kim's Eye Hospital between 2006 and 2013. We investigated the causes of lower eyelid retraction, clinical history, characteristics, treatment, and surgical outcomes. Preoperative and postoperative margin reflex distance 2 and inferior scleral show were measured for each eyelid...
August 2017: Korean Journal of Ophthalmology: KJO
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