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Surgical research

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https://www.readbyqxmd.com/read/28329156/medtronic-duran-ancore-versus-edwards-mc3-rings-for-tricuspid-annuloplasty
#1
Seok In Lee, Ho Jin Kim, Joon Bum Kim, Sung-Ho Jung, Suk Jung Choo, Cheol Hyun Chung, Jae Won Lee
OBJECTIVES: Ring annuloplasty is now regarded as the standard surgical technique for the correction of tricuspid regurgitation (TR). However, comparative research on the durability of commercially available annuloplasty rings is limited. We reviewed early and late surgical results of tricuspid annuloplasty using the Duran AnCore and Edwards MC3 rings. METHODS: From our institutional prospective cardiac surgical database, we identified 581 adult patients (55.9 ± 12...
February 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28328500/the-role-of-haptic-feedback-in-robotic-assisted-retinal-microsurgery-systems-a-systematic-review
#2
Julia A Griffin, Weihang Zhu, Chang S Nam
Retinal microsurgery is one of the most technically difficult surgeries since it is performed at the threshold of human capability. If certain retinal conditions are left untreated, they can lead to severe damage, including irreversible blindness. Thus, techniques for reliable retinal microsurgery operations are critical. Recent research shows promise for improving surgical safety by implementing various types of sensory input and output. Sensory information is used to inform the surgeon about the environment inside the eye in real time...
January 2017: IEEE Transactions on Haptics
https://www.readbyqxmd.com/read/28328064/a-bibliometric-analysis-of-pediatric-liver-transplantation-publications
#3
Dermot T McDowell, Alexandre Darani, Albert Shun, Gordon Thomas, Andrew J A Holland
Citation counts can identify landmark papers. The aim of this study was to identify and characterize the top-cited articles in the pediatric liver transplantation literature. A search strategy for the Scopus(®) database was designed for pediatric liver transplantation publications from 1945 to 2014. The 50 top-cited articles were analyzed. Author co-citation analysis was performed using VOSviewer techniques. There were 2896 articles published between 1969 and 2015. The mean citation count of the top 50 cited articles was 166 (range 95-635)...
March 22, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28327927/pineoblastoma-the-experience-at-st-jude-children-s-research-hospital
#4
Kara A Parikh, Garrett T Venable, Brent A Orr, Asim F Choudhri, Frederick A Boop, Amar J Gajjar, Paul Klimo
BACKGROUND: Pineoblastomas are rare, supratentorial, primitive neuroectodermal tumors. OBJECTIVE: To document outcomes with multimodal therapy and evaluate the impact that the degree of surgical resection has on outcome. METHODS: A departmental brain tumor database was queried to identify all patients with pathologically proven pineoblastoma who were treated from January 1997 to June 2015 at St. Jude Children's Research Hospital. For each patient, we recorded demographic, pathological, radiological, surgical, and clinical follow-up data...
March 15, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28327274/physician-extenders-on-surgical-services-a%C3%A2-systematic-review
#5
Jagdeep Johal, Andrew Dodd
BACKGROUND: With the introduction of resident duty hour restrictions and the resulting in-house trainee shortages, a long-term solution to ensure safe and efficient patient care is needed. One solution is the integration of nurse practitioners (NPs) and physician assistants (PAs) in a variety of health care settings. We sought to examine the use of NPs and PAs on surgical/trauma services and their effect on patient outcomes and resident workload. METHODS: We performed a systematic review of EMBASE, Medline, CINAHL, and the Cochrane Central Register of Controlled Trials...
April 1, 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28327144/computational-medical-imaging-and-hemodynamics-framework-for-functional-analysis-and-assessment-of-cardiovascular-structures
#6
REVIEW
Kelvin K L Wong, Defeng Wang, Jacky K L Ko, Jagannath Mazumdar, Thu-Thao Le, Dhanjoo Ghista
Cardiac dysfunction constitutes common cardiovascular health issues in the society, and has been an investigation topic of strong focus by researchers in the medical imaging community. Diagnostic modalities based on echocardiography, magnetic resonance imaging, chest radiography and computed tomography are common techniques that provide cardiovascular structural information to diagnose heart defects. However, functional information of cardiovascular flow, which can in fact be used to support the diagnosis of many cardiovascular diseases with a myriad of hemodynamics performance indicators, remains unexplored to its full potential...
March 21, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28325607/japanese-clinical-practice-guideline-for-head-and-neck-cancer
#7
REVIEW
Ken-Ichi Nibu, Ryuichi Hayashi, Takahiro Asakage, Hiroya Ojiri, Yoshihiro Kimata, Takeshi Kodaira, Toshitaka Nagao, Torahiko Nakashima, Takashi Fujii, Hirofumi Fujii, Akihiro Homma, Kazuto Matsuura, Nobuya Monden, Takeshi Beppu, Nobuhiro Hanai, Tadaaki Kirita, Yuzuru Kamei, Naoki Otsuki, Naomi Kiyota, Sadamoto Zenda, Ken Omura, Koichi Omori, Tetsuo Akimoto, Kazuyoshi Kawabata, Seiji Kishimoto, Hiroya Kitano, Iwai Tohnai, Takashi Nakatsuka
OBJECTIVE: The first revision of "Japanese Clinical Practice Guideline for Head and Neck Cancer" was made in 2013 by the clinical practice guideline committee of Japan Society for Head and Neck Cancer, in response to the revision of the TNM classification. METHODS: 34 CQs (Clinical Questions) were newly adopted to describe the diagnosis and treatment methods currently considered most appropriate, and offered recommendation grade made by the consensus of the committee...
March 18, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28325569/transcatheter-aortic-valve-implantation-in-patients-with-advanced-chronic-kidney-disease
#8
Federico Conrotto, Stefano Salizzoni, Alessandro Andreis, Fabrizio D'Ascenzo, Augusto D'Onofrio, Marco Agrifoglio, Alaide Chieffo, Antonio Colombo, Filippo Rapetto, Francesco Santini, Giuseppe Tarantini, Davide Gabbieri, Carlo Savini, Sebastiano Immè, Flavio Ribichini, Orazio Valsecchi, Marco Aiello, Giovanni Lixi, Alessandro Iadanza, Esmeralda Pompei, Miroslava Stolcova, Diego Ornaghi, Alessandro Minati, Mauro Cassese, Gian Luca Martinelli, Pierluigi Sbarra, Andrea Agostinelli, Andrea Audo, Andrea Pieroni, Rosario Fiorilli, Gino Gerosa, Mauro Rinaldi, Fiorenzo Gaita
Advanced chronic kidney disease (CKD) is associated with poor outcomes in patients who underwent surgical aortic valve replacement, whereas its prognostic role in transcatheter aortic valve implantation (TAVI) remains unclear. This study aimed to investigate outcomes in patients with advanced CKD who underwent TAVI. A total of 1,904 consecutive patients who underwent balloon-expandable TAVI in 33 centers between 2007 and 2012 were enrolled in the Italian Transcatheter Balloon-Expandable Valve Implantation Registry...
February 10, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28325535/age-is-just-a-number-wpath-affiliated-surgeons-experiences-and-attitudes-toward-vaginoplasty-in-transgender-females-under-18-years-of-age-in-the-united-states
#9
Christine Milrod, Dan H Karasic
BACKGROUND: A rising number of female-affirmed transgender adolescents are being treated with gonadotropin-releasing hormone analogues and subsequently cross-sex hormones at early or mid-puberty, with vaginoplasty as the presumed final step in their physical transition. But, despite the minimum age of 18 years defining eligibility to undergo this irreversible procedure, anecdotal reports have shown that vaginoplasties are being performed on minors by surgeons in the United States, thereby contravening the World Professional Association for Transgender Health (WPATH) standards of care (SOC)...
March 16, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28325185/minimally-invasive-surgical-approaches-to-gastric-resection
#10
REVIEW
Sepideh Gholami, Michael R Cassidy, Vivian E Strong
Minimally invasive gastric resections carry several advantages, including less intraoperative blood loss, faster recovery time, reduced pain, and decreased hospital length of stay and quicker return to work. Numerous trials have proved that laparoscopic and robotic-assisted gastrectomy provides equivalent surgical and oncologic outcomes to open approaches. As with any minimally invasive approach, advanced minimally invasive training and good judgment by a surgeon are paramount in selecting patients in whom a minimally invasive approach is feasible...
April 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28325091/nuts-and-bolts-of-running-a-pulmonary-embolism-response-team-results-from-an-organizational-survey-of-the-national-pert%C3%A2-consortium-members
#11
Geoffrey Barnes, Jay Giri, D Mark Courtney, Soophia Naydenov, Todd Wood, Rachel Rosovsky, Kenneth Rosenfield, Christopher Kabrhel
OBJECTIVES: Pulmonary embolism response teams (PERT) are developing rapidly to operationalize multi-disciplinary care for acute pulmonary embolism patients. Our objective is to describe the core components of PERT necessary for newly developing programs. METHODS: An online organizational survey of active National PERT™ Consortium members was performed between April and June 2016. Analysis, including descriptive statistics and Kruskal-Wallis tests, was performed on centers self-reporting a fully operational PERT program...
March 22, 2017: Hospital Practice (Minneapolis)
https://www.readbyqxmd.com/read/28323222/laparoscopic-nerve-preserving-sacropexy
#12
Alfredo Ercoli, Stefano Cosma, Francesca Riboni, Giuseppe Campagna, Paolo Petruzzelli, Daniela Surico, Saverio Danese, Giovanni Scambia, Chiara Benedetto
STUDY OBJECTIVE: to demonstrate our developed nerve preserving technique during laparoscopic sacropexy (LSP) for multicompartment pelvic organ prolapse. DESIGN: exemplificative case of our surgical procedure based on a multicentric experience consisting of more than 800 cases in 10 years without major intraoperative complications. Informed consent was taken from the subject, and the institutional review board approved this research. SETTING: public practice at Maggiore della Carità University Hospital, Novara; at Sant'Anna Hospital, City of Health and Science, University of Torino; at A...
March 17, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28322993/intra-luminal-gene-therapy-in-the-porcine-artery-using-a-recombinant-adeno-associated-virus-9
#13
E S Rezaie, N J Visser, P F Friedrich, A Y Shin, A T Bishop
The ability to improve or restore blood flow and promote healing in ischemic tissue has many potential clinical applications. Augmentation by direct delivery of growth factors may further enhance results, but requires a method for sustained delivery. In this study, we have tested the ability of adeno-associated virus 9 (AAV9) delivered within the lumen of a porcine artery to transfect the vessel and produce a desired product. The marker chosen was green fluorescent protein (GFP) (Ke et al., 2011). In 4 farm pigs the cranial tibial artery was surgically exposed...
March 17, 2017: Gene
https://www.readbyqxmd.com/read/28322574/image-guided-research-in-the-clinic-to-reduce-surgical-margins
#14
Hon S Leong
Accidental tumor incision is uncommon but understanding its impact on surgical outcomes is still limited. Enokida and colleagues explore the possibility of tumor cell dissemination via surgical tool contamination. In their report, accidental tumor incision in pre-clinical models does result in the deposition of viable tumor cells onto surgical instruments such as scissors but they also counter this contamination with the use of electrical current to sterilize the same instrument mid-way in the operation. These results illustrate the usefulness of visual observation and the novel approach of sterilization peri-operatively...
March 21, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28321549/a-preoperative-medical-history-and-physical-should-not-be-a-requirement-for-all-cataract-patients
#15
Oliver D Schein, Peter J Pronovost
Cataract surgery poses minimal systemic medical risk, yet a preoperative general medical history and physical is required by the Centers for Medicare and Medicaid Services and other regulatory bodies within 1 month of cataract surgery. Based on prior research and practice guidelines, there is professional consensus that preoperative laboratory testing confers no benefit when routinely performed on cataract surgical patients. Such testing remains commonplace. Although not yet tested in a large-scale trial, there is also no evidence that the required history and physical yields a benefit for most cataract surgical patients above and beyond the screening performed by anesthesia staff on the day of surgery...
March 20, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28320342/enhanced-recovery-after-elective-caesarean-a-rapid-review-of-clinical-protocols-and-an-umbrella-review-of-systematic-reviews
#16
Ellena Corso, Daniel Hind, Daniel Beever, Gordon Fuller, Matthew J Wilson, Ian J Wrench, Duncan Chambers
BACKGROUND: The rate of elective Caesarean Section (CS) is rising in many countries. Many obstetric units in the UK have either introduced or are planning to introduce enhanced recovery (ER) as a means of reducing length of stay for planned CS. However, to date there has been very little evidence produced regarding the necessary components of ER for the obstetric population. We conducted a rapid review of the composition of published ER pathways for elective CS and undertook an umbrella review of systematic reviews evaluating ER components and pathways in any surgical setting...
March 20, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28320164/impact-of-stn-dbs-on-mood-drive-anhedonia-and-risk-of-psychiatric-side-effects-in-the-population-of-pd-patients
#17
Anna Antosik-Wójcińska, Łukasz Święcicki, Monika Dominiak, Emilia Sołtan, Przemyslaw Bieńkowski, Tomasz Mandat
BACKGROUND: DBS is a surgical method of choice for various movement disorders, especially for Parkinson's disease (PD). Many publications showing improvement in motor symptoms and quality of life have been presented while there is little comprehensive research evaluation of the impact of DBS on mental state and psychiatric side-effects. OBJECT: The purpose of this study was to assess the impact of DBS on mood, drive, anhedonia and psychotic symptoms in the group of PD patients...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319600/early-and-late-factors-impacting-patient-and-graft-outcome-in-pediatric-liver-transplantation-summary-of-an-espghan-monothematic-conference
#18
Valérie A McLin, Upton Allen, Olivia Boyer, John Bucuvalas, Michele Colledan, Maria-Cristina Cuturi, Lorenzo d'Antiga, Dominique Debray, Antal Dezsofi, Jean de Ville de Goyet, Anil Dhawan, Ozlem Durmaz, Christine Falk, Sandy Feng, Björn Fischler, Stéphanie Franchi-Abella, Esteban Frauca, Rainer Ganschow, Stephen Gottschalk, Nedim Hadzic, Loreto Hierro, Simon Horslen, Stefan Hubscher, Vincent Karam, Deirdre Kelly, Britta Maecker-Kolhoff, George Mazariegos, Patrick McKiernan, Anette Melk, Valerio Nobili, Funda Ozgenç, Raymond Reding, Marco Sciveres, Khalid Sharif, Piotr Socha, Christian Toso, Pietro Vajro, Anita Verma, Barbara E Wildhaber, Ulrich Baumann
As pediatric liver transplantation comes of age, experts gathered to discuss current paradigms and define gaps in knowledge warranting research to further improve patient and graft outcomes. Identified areas ripe for collaborative research include understanding the molecular and cellular mechanisms of tolerance and the role of donor-specific antibodies, considering ways to expand donor pool, minimizing long term side effects of immunosuppression, and fine-tuning surgical techniques to minimize biliary and vascular complications...
March 17, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28318939/early-metabolic-improvement-after-bariatric-surgery-the-first-steps-toward-remission-of-type-2-diabetes
#19
REVIEW
Thomas Grenier-Larouche, Anne-Marie Carreau, André C Carpentier
The introduction of bariatric surgery into clinical practice in the 1980s was followed by a relatively long watch-and-wait period before the very rapid accumulation of scientific literature, over the past decade, concerning its clinical effectiveness and safety and its mechanisms of action in the treatment of obesity. These surgical procedures now emerge as the most effective therapeutic modality to induce long-term remission of type 2 diabetes. Recent research has shed light on the potential mechanisms leading to the profound improvement of glucose homeostasis following most bariatric surgery procedures...
March 17, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28318133/transcatheter-aortic-valve-implantation-with-the-self-expandable-venus-a-valve-and-corevalve-devices-preliminary-experiences-in-china
#20
Yan-Biao Liao, Zhen-Gang Zhao, Xin Wei, Yuan-Ning Xu, Zhi-Liang Zuo, Yi-Jian Li, Ming-Xia Zheng, Yuan Feng, Mao Chen
BACKGROUND: Transcatheter aortic valve implantation (TAVI) has been demonstrated to be an effective alternative to surgical aortic valve replacement (SAVR) in patients with aortic stenosis who are deemed high risk or inoperable. Currently, TAVI procedures in China mostly make use of the domestic Venus A-Valve and the CoreValve; however, there is no data on their comparative performance. METHODS: Consecutive patients undergoing TAVI with the aforementioned devices were included...
March 2017: Catheterization and Cardiovascular Interventions
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