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Surgical volume

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https://www.readbyqxmd.com/read/28927210/navigation-and-image-injection-for-control-of-bone-removal-and-osteotomy-planes-in-spine-surgery
#1
Michael Kosterhon, Angelika Gutenberg, Sven Rainer Kantelhardt, Elefterios Archavlis, Alf Giese
BACKGROUND AND IMPORTANCE: In contrast to cranial interventions, neuronavigation in spinal surgery is used in few applications, not tapping into its full technological potential. We have developed a method to preoperatively create virtual resection planes and volumes for spinal osteotomies and export 3-D operation plans to a navigation system controlling intraoperative visualization using a surgical microscope's head-up display. The method was developed using a Sawbone ® model of the lumbar spine, demonstrating feasibility with high precision...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28926384/effect-of-surgeon-and-hospital-volume-on-morbidity-and-mortality-after-hip-fracture
#2
Kanu Okike, Priscilla H Chan, Elizabeth W Paxton
BACKGROUND: Prior studies have examined the relationship between surgeon and hospital volumes and outcome following hip fracture surgical procedures, but the results have been inconclusive. The purpose of this study was to assess the hip fracture volume-outcome relationship by analyzing data from a large, managed care registry. METHODS: The Kaiser Permanente Hip Fracture Registry prospectively records information on surgically treated hip fractures within the managed health-care system...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28926379/tendon-length-calf-muscle-atrophy-and-strength-deficit-after-acute-achilles-tendon-rupture-long-term-follow-up-of-patients-in-a-previous-study
#3
Juuso Heikkinen, Iikka Lantto, Juuso Piilonen, Tapio Flinkkilä, Pasi Ohtonen, Pertti Siira, Vesa Laine, Jaakko Niinimäki, Ari Pajala, Juhana Leppilahti
BACKGROUND: In this prospective study, we used magnetic resonance imaging (MRI) to assess long-term Achilles tendon length, calf muscle volume, and muscle fatty degeneration after surgery for acute Achilles tendon rupture. METHODS: From 1998 to 2001, 60 patients at our center underwent surgery for acute Achilles tendon rupture followed by early functional postoperative rehabilitation. Fifty-five patients were reexamined after a minimum duration of follow-up of 13 years (mean, 14 years), and 52 of them were included in the present study...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28925760/comparison-of-the-conventional-surgery-and-the-surgery-assisted-by-3d-printing-technology-in-the-treatment-of-calcaneal-fractures
#4
Wenhao Zheng, Zhenyu Tao, Yiting Lou, Zhenhua Feng, Hang Li, Liang Cheng, Hui Zhang, Jianshun Wang, Xiaoshan Guo, Hua Chen
PURPOSE: This study was aimed to compare conventional surgery and surgery assisted by 3D printing technology in the treatment of calcaneal fractures. In addition, we also investigated the effect of 3D printing technology on the communication between doctors and patients. METHODS: we enrolled 75 patients with calcaneal fracture from April 2014 to August 2016. They were divided randomly into two groups: 35 cases of 3D printing group, 40 cases of conventional group...
September 19, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28924922/assessing-the-non-tumorous-liver-implications-for-patient-management-and-surgical-therapy
#5
Pallavi Pandey, Ankur Pandey, Mary Dillhoff, Carl Schmidt, Ihab R Kamel, Timothy M Pawlik
INTRODUCTION: Hepatic resection is performed for various benign and malignant liver tumors. Over the last several decades, there have been improvements in the surgical technique and postoperative care of patients undergoing liver surgery. Despite this, liver failure following an extended hepatic resection remains a critical potential postoperative complication. Patients with underlying parenchymal liver diseases are at particular risk of liver failure due to impaired liver regeneration with an associated mortality risk as high as 60 to 90%...
September 18, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28924826/volumetric-and-linear-changes-at-dental-implants-following-grafting-with-volume-stable-three-dimensional-collagen-matrices-or-autogenous-connective-tissue-grafts-6-month-data
#6
Nadja Naenni, Stefan P Bienz, Goran I Benic, Ronald E Jung, Christoph H F Hämmerle, Daniel S Thoma
OBJECTIVES: The objective of this study was to test whether or not soft tissue augmentation with a volume-stable collagen matrix (VCMX) leads to similar volume gain around dental implants compared to autogenous subepithelial connective tissue graft (SCTG). MATERIALS AND METHODS: In 12 adult beagle dogs, immediate implants were placed with simultaneous guided bone regeneration. After 25-45 weeks, soft tissue augmentation was randomly performed using VCMX, SCTG, or a sham-operated control...
September 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28923412/image-guided-tandem-and-cylinder-brachytherapy-as-monotherapy-for-definitive-treatment-of-inoperable-endometrial-carcinoma
#7
Brian Gebhardt, Beant Gill, Scott Glaser, Hayeon Kim, Chris Houser, Joseph Kelley, Paniti Sukumvanich, Robert Edwards, John Comerci, Alexander Olawaiye, Madeleine Courtney-Brooks, Michelle Boisen, Jessica Berger, Sushil Beriwal
OBJECTIVES: Management of endometrial cancer consists of surgical staging with adjuvant therapy guided by risk factors, though some women cannot undergo surgery due to comorbidities. We present a series of women treated with definitive high-dose rate image-guided tandem and cylinder brachytherapy (HDR-IGBT) alone. METHODS: Patients with grade 1-2, clinical stage I endometrial adenocarcinoma, <50% myometrial invasion, and tumor≤2cm were reviewed. Definitive treatment consisted of 5-6 fractions HDR-IGBT alone with CT- or MRI-based planning...
September 15, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28922884/a-single-institution-experience-with-pineal-region-tumors-50-tumors-over-1-decade
#8
Isaac Josh Abecassis, Brian Hanak, Jason Barber, Martin Mortazavi, Richard G Ellenbogen
BACKGROUND: Pineal region tumors are rare intracranial tumors that are more common in children than adults. Surgical management of tumors in this region using a tailored approach is a strategy that enhances extent of resection and neurological outcome. OBJECTIVE: To review our institutional experience with pineal region tumors in children and adults over the past 10 years. METHODS: Our institutional pathology database and patient records were retrospectively reviewed for details regarding clinical and radiological presentation, surgical management, extent of resection, morbidity, and neurological outcome...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922876/visual-deficit-from-laser-interstitial-thermal-therapy-for-temporal-lobe-epilepsy-anatomical-considerations
#9
Walter J Jermakowicz, Michael E Ivan, Iahn Cajigas, Ramses Ribot, Ignacio Jusue-Torres, Mehul B Desai, Armando Ruiz, Pierre-Francois D'Haese, Andres M Kanner, Jonathan R Jagid
BACKGROUND: Laser interstitial thermal therapy (LITT) is quickly emerging as an effective surgical therapy for temporal lobe epilepsy (TLE). One of the most frequent complications of the procedure is postoperative visual field cuts, but the physiopathology of these deficits is unknown. OBJECTIVE: To evaluate potential causes of visual deficits after LITT for TLE in an attempt to minimize this complication. METHODS: This retrospective chart review compares the case of a 24-year-old male who developed homonymous hemianopsia following LITT for TLE to 17 prior patients who underwent the procedure and suffered no visual deficit...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922263/prospective-side-by-side-comparison-of-outcomes-and-complications-with-a-simple-versus-intensive-anticoagulation-monitoring-strategy-in-pediatric-extracorporeal-life-support-patients
#10
Jane S Yu, Ryan P Barbaro, Donald A Granoski, Mary E Bauman, M Patricia Massicotte, Laurance L Lequier, Gail M Annich, Lindsay M Ryerson
OBJECTIVES: A continuous infusion of unfractionated heparin is the most common anticoagulant used for pediatric patients on extracorporeal life support. The objective of this study was to compare extracorporeal life support complications and outcomes between two large-volume pediatric extracorporeal life support centers that use different anticoagulation strategies. DESIGN: Prospective, observational cohort study. SETTING: The University of Michigan used simple anticoagulation monitoring, whereas the University of Alberta used an intensive anticoagulation monitoring strategy...
September 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28922250/use-of-pedicled-buccal-fat-pad-for-midface-augmentation
#11
Tae Sung Lee, Sanghoon Park
The pedicled buccal fat pad has occasionally been used for the closure of oroantral and oronasal fistulae. However, this versatile and convenient technique has not been used widely in the field of esthetic surgery. The main cosmetic interest in the buccal fat pads was to surgically extract them to reduce cheek prominence. Here, the authors introduce a novel operative technique using the pedicled buccal fat pad for midface augmentation in patients with deficient soft-tissue volume, particularly in the anterior malar or paranasal region...
September 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28922233/endoscopic-versus-open-repair-for-craniosynostosis-in-infants-using-propensity-score-matching-to-compare-outcomes-a-multicenter-study-from-the-pediatric-craniofacial-collaborative-group
#12
Douglas R Thompson, David Zurakowski, Charles M Haberkern, Paul A Stricker, Petra M Meier
BACKGROUND: The North American Pediatric Craniofacial Collaborative Group (PCCG) established the Pediatric Craniofacial Surgery Perioperative Registry to evaluate outcomes in infants and children undergoing craniosynostosis repair. The goal of this multicenter study was to utilize this registry to assess differences in blood utilization, intensive care unit (ICU) utilization, duration of hospitalization, and perioperative complications between endoscopic-assisted (ESC) and open repair in infants with craniosynostosis...
September 14, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28922231/use-of-regional-anesthesia-for-outpatient-surgery-within-the-united-states-a-prevalence-study-using-a-nationwide-database
#13
Rodney A Gabriel, Brian M Ilfeld
BACKGROUND: Regional anesthesia is of benefit for outpatient surgery given its demonstrated improvement in analgesia and decrease in complications, resulting in shorter average recovery room times and lower hospital readmission rates. Unfortunately, there are few epidemiological studies outlining the overall utilization of peripheral nerve blocks (PNBs) in this setting. Therefore, the primary objective of this study was to report the overall utilization of several types of PNBs among all candidate cases in the outpatient setting within the United States...
September 14, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28921506/neurologic-injury-and-patient-displacement-in-gynecologic-laparoscopic-surgery-using-a-beanbag-and-shoulder-supports
#14
Alejandro D Treszezamsky, Suzanne Fenske, Erin L Moshier, Charles J Ascher-Walsh
OBJECTIVE: To quantify the incidence of peripheral neuropathy in gynecologic laparoscopic surgery using a combination of beanbag, eggcrate foam, and shoulder supports; and to assess patient displacement during surgery in a steep Trendelenburg position and determine variables correlated with displacement. METHODS: A retrospective study included all gynecologic laparoscopic surgeries performed by one high-volume surgeon at a US center between September 15, 2007, and September 15, 2012...
September 16, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28921419/sentinel-lymph-node-biopsy-in-endometrial-cancer-a-new-standard-of-care
#15
REVIEW
Stephanie A Sullivan, Emma C Rossi
Lymph node status is one of the most important factors in determining prognosis and the need for adjuvant treatment in endometrial cancer (EMCA). Unfortunately, full lymphadenectomy bears significant surgical and postoperative risks. The majority of patients with clinical stage I disease will not have metastatic disease; thus, a full lymphadenectomy only increases morbidity in this population of patients. The use of the sentinel lymph node (SLN) biopsy has emerged as an alternative to complete lymphadenectomy in EMCA...
September 18, 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28920111/interpretation-of-cone-beam-computed-tomography-volumetric-data-how-to-report-findings
#16
Mel Mupparapu, Adriana G Creanga, Steven R Singer
Cone beam computed tomography (CBCT) was introduced to the dental profession at the beginning of the new millennium and has become an integral part of dental practice, especially within the surgical specialties. With advances in technology and the introduction of new-generation digital detectors, the concomitant increase in pixel resolution provided the ability to discern fine details of the anatomy. This article focuses on the methodology of CBCT interpretation and reporting. Details of reviewing the volume thoroughly are described with relevant citations...
2017: Quintessence International
https://www.readbyqxmd.com/read/28919778/improvement-of-survival-for-non-small-cell-lung-cancer-over-time
#17
Wenjie Xia, Xinnian Yu, Qixing Mao, Wenying Xia, Anpeng Wang, Gaochao Dong, Bing Chen, Weidong Ma, Lin Xu, Feng Jiang
Non-small cell lung cancer (NSCLC) is the main histological subtype of lung cancer, which is the leading cause of cancer death. It is unclear whether the improved survival seen at high-volume centers applies to the general population and, more importantly, whether the improvement in lung cancer survival was just a consequence of improved screening work. Data from the Surveillance, Epidemiology, and End Results (SEER) registry was used to identify 405,580 patients with NSCLC diagnosed from 1988 to 2008. The patients were divided into four groups according to the year of diagnosis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28919227/asymptomatic-ischemic-risks-in-microsurgical-clipping-for-unruptured-intracranial-aneurysms-in-anterior-circulation
#18
Katsuhiro Shinagawa, Toshinori Matsushige, Takahito Okazaki, Daizo Ishii, Nobuhiko Ichinose, Shigeyuki Sakamoto, Kaoru Kurisu
BACKGROUND: The ischemic risk in prophylactic treatments of unruptured intracranial aneurysms (UIAs) is a serious health concern. OBJECTIVE: The aim of this study was to elucidate the incidence and characteristics of ischemic events in microsurgical clipping (MC) of anterior circulation UIAs. METHODS: Ischemic events were prospectively evaluated before and after surgery between April 2011 and March 2017. The location, volume, minimum value of apparent diffusion coefficient (ADCMIN) in high-intensity spots (HIS) on 3T MR Diffusion-weighted imaging (DWI), and radiographic outcomes were analyzed...
September 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28918826/islamic-medicine-in-the-middle-ages
#19
EDITORIAL
Hawa Edriss, Brittany N Rosales, Connie Nugent, Christian Conrad, Kenneth Nugent
The Islamic culture flourished between the 9th and 13th centuries. Scholars from this era made significant contributions in mathematics, science and medicine. Caliphs and physicians built hospitals that provided universal care and the foundation for medical education. Physician-scientists made significant advances in medical care, surgery and pharmacology. Notable authorities include al-Razi (865-925 CE) who wrote the Kitab al-Hawi fi al-tibb (The Comprehensive Book on Medicine), a 23-volume textbook that provided the main medical curriculum for European schools into the 14th century...
September 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28916849/1000-consecutive-cases-of-laser-assisted-liposuction-utilizing-the-1440%C3%A2-nm-wavelength-nd-yag-laser-assessing-the-safety-and-efficacy
#20
Christopher T Chia, Mark G Albert, Sharon Del Vecchio, Spero J Theodorou
BACKGROUND: Liposuction remains one of the most popular aesthetic surgery procedures performed today, and it has undergone continuous refinements over the past four decades. Advancements in anesthesia, improvements in instrumentation, better understanding of fluid dynamics and the addition of energy to liposuction have led to better outcomes with improved safety and efficacy. OBJECTIVES: The purpose of this study is to review 1000 consecutive laser-assisted liposuction (LAL) cases utilizing the 1440 nm wavelength...
September 15, 2017: Aesthetic Plastic Surgery
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