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Reconstructive Surgery

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https://www.readbyqxmd.com/read/28238965/preoperative-planning-for-accurate-glenoid-component-positioning-in-reverse-shoulder-arthroplasty
#1
Julien Berhouet, Lawrence Gulotta, David Dines, Edward Craig, Russell Warren, Daniel Choi, Xiang Chen, Andreas Kontaxis
BACKGROUND: Glenoid component positioning in reverse shoulder arthroplasty (RSA) is challenging. Patient-specific instrumentation (PSI) has been advocated to improve accuracy, and is based on precise preoperative planning. The purpose of this study was to determine the accuracy of glenoid component positioning when only the glenoid surface is visible, compared to when the entire scapula is visible on a 3D virtual model. METHODS: CT scans of 30 arthritic shoulders were reconstructed in 3D models...
February 23, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28238009/results-of-total-elbow-arthroplasty-with-cementless-implantation-of-an-alumina-ceramic-elbow-prosthesis-for-patients-with-rheumatoid-arthritis
#2
Keiichiro Nishida, Kenzo Hashizume, Masatsugu Ozawa, Ayumu Takeshita, Daisuke Kaneda, Ryuichi Nakahara, Yoshihisa Nasu, Yasunori Shimamura, Hajime Inoue, Toshifumi Ozaki
We investigated the long-term clinical results of total elbow arthroplasty (TEA) by cementless fixation of alumina ceramic unlinked elbow prostheses (J-alumina ceramic elbows: JACE) for the reconstruction of elbow joints with rheumatoid arthritis (RA). Seventeen elbows in 17 patients (aged 44-72 years, average 54.8) replaced by JACE TEA without bone cement were investigated. The average follow-up period was 10.7 (range, 1.0-19.3) years. Clinical conditions of each elbow before and after surgery were assessed according to the Mayo Elbow Performance Index (MEPI)...
February 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28236921/targeting-the-most-important-complications-in-vascular-surgery
#3
Kyla M Bennett, K Craig Kent, Jessica Schumacher, Caprice C Greenberg, John E Scarborough
OBJECTIVE: This study was conducted to identify the most clinically relevant and costly perioperative complications occurring in vascular surgery patients. METHODS: The analysis included patients in the 2012 to 2014 National Surgical Quality Improvement Program database undergoing one of four high-risk vascular procedures. The procedures-aortic reconstruction, lower extremity bypass, lower extremity amputation, and carotid endarterectomy (CEA)-were selected because they have been established as high risk in the literature, rendering them natural targets for quality improvement initiatives...
March 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28236633/repair-or-replacement-for-isolated-tricuspid-valve-pathology-insights-from-a-surgical-analysis-on-long-term-survival
#4
Mina Farag, Rawa Arif, Anton Sabashnikov, Mohamed Zeriouh, Aron-Frederik Popov, Arjang Ruhparwar, Bastian Schmack, Pascal M Dohmen, Gábor Szabó, Matthias Karck, Alexander Weymann
BACKGROUND Long-term follow-up data concerning isolated tricuspid valve pathology after replacement or reconstruction is limited. Current American Heart Association guidelines equally recommend repair and replacement when surgical intervention is indicated. Our aim was to investigate and compare operative mortality and long-term survival in patients undergoing isolated tricuspid valve repair surgery versus replacement. MATERIAL AND METHODS Between 1995 and 2011, 109 consecutive patients underwent surgical correction of tricuspid valve pathology at our institution for varying structural pathologies...
February 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28236164/evaluation-of-the-effects-of-the-combination-of-autologous-mesenchymal-stem-cells-and-platelet-rich-plasma-on-structural-bone-allograft-healing
#5
Chang-Goo Park, Min Wook Joo, Jinyoung Jeong, Yong-Koo Kang, Da-Reum Lee
In this study, we evaluated the efficacy of the combination of autologous mesenchymal stem cells (MSCs) and platelet-rich plasma (PRP) for enhancing structural allogenic bone graft healing in rabbits. For these experiments segmental bone defects (1.5-2 cm) were generated on femoral diaphysis of New Zealand white rabbits and reconstructed via structural allogenic bone grafting and additional intramedullary nail fixation. The structural allografts were subsequently wrapped with Gelfoam containing autologous MSCs and PRP, or PRP alone (control)...
February 24, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28236131/free-serratus-anterior-artery-perforator-flap-a-case-report-with-an-anatomic-and-radiological-study
#6
Serena Tamburino, Tiphaine Menez, Jérôme Laloze, Audrey Michot, Pierre Paillet, Rosario Emanuele Perrotta, Vincent Casoli
Perforator flaps have become very popular in reconstructive surgery. The thoracodorsal and lateral thoracic artery perforator flaps are highly studied, and successful clinical series have been reported, whereas the literature concerning the lateral intercostal and serratus anterior artery perforator flaps is quite poor and their vascular anatomy needs yet to be clarified. We describe a case of free serratus anterior artery perforator flap for the reconstruction of a dorsal defect of the foot, followed by an anatomic and radiological study...
February 24, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28231648/evaluation-of-infection-after-anterior-cruciate-ligament-reconstruction-during-a-short-period
#7
Hee-June Kim, Hyun-Joo Lee, Jong-Chul Lee, Seung-Gi Min, Hee-Soo Kyung
Purpose: We encountered 7 cases (7.1%) of infection (5 deep and 2 superficial) in 98 cases of anterior cruciate ligament (ACL) reconstruction using hamstring autografts in a 17-month period. The aim of this study was to analyze the causes of infection and to introduce our treatment strategy. Materials and Methods: We investigated the shelf-life of the fixation implants, the order of surgery, previous knee surgery, infectious pathogen, treatment of infection, and results of treatment...
March 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28231647/outcome-of-acl-reconstruction-for-chronic-acl-injury-in-knees-without-the-posterior-horn-of-the-medial-meniscus-comparison-with-acl-reconstructed-knees-with-an-intact-medial-meniscus
#8
Kevin Syam, Devendra K Chouhan, Mandeep Singh Dhillon
Purpose: Cadaveric studies have shown that deficiency of the posterior horn of the medial meniscus (PHMM) increases strain on the anterior cruciate ligament (ACL) graft. However, its influence on the clinical and radiological outcome after ACL reconstruction is less discussed and hence evaluated in this study. Materials and Methods: This study included 77 cases of ACL reconstruction with a minimum 18-month follow-up. Of the 77 cases, 41 patients with intact menisci were compared clinically and radiologically with 36 patients with an injury to the PHMM that required various grades of meniscectomy...
March 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28231373/auricular-complications-in-parotid-temporal-bone-infratemporal-fossa-and-lateral-skull-base-surgery
#9
Patrick S Carpenter, Ryan C Burgette, John P Leonetti, Sam J Marzo
Neoplasms located in the parotid region, temporal bone, infratemporal fossa, and lateral skull base represent a challenge due to their difficult anatomic location and surrounding neurovascular structures. A variety of surgical approaches are appropriate to access this area, although several of them can place the auricular blood supply in danger. If the auricular blood supply is compromised, ischemia and, eventually, avascular necrosis of the auricle can occur. Auricular necrosis often can cause patients a delay in adjuvant radiation therapy and result in the need for additional reconstructive procedures...
February 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28230615/the-effect-of-intravenous-acetaminophen-on-postoperative-pain-and-narcotic-consumption-after-vaginal-reconstructive-surgery-a-double-blind-randomized-placebo-controlled-trial
#10
Catrina C Crisp, Madiha Khan, Donna L Lambers, Lauren B Westermann, Donna M Mazloomdoost, Jennifer J Yeung, Steven D Kleeman, Rachel N Pauls
OBJECTIVE: This study aimed to determine the effect of intravenous acetaminophen versus placebo on postoperative pain, satisfaction with pain control, and narcotic use after vaginal reconstructive surgery. METHODS: This was an institutional review board-approved, double-blind placebo-controlled randomized trial. Women scheduled for reconstructive surgery including vaginal hysterectomy and vaginal vault suspension were enrolled. Subjects received 1000 mg of intravenous acetaminophen or 100 mL placebo every 6 hours for 24 hours...
March 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28230614/characteristics-of-providers-performing-urogynecologic-procedures-on-medicare-patients-2012-2014
#11
Daniel E Stone, Benjamin J Barenberg, Stephanie D Pickett, Dena E OʼLeary, Lieschen H Quiroz
OBJECTIVE: To analyze the characteristics of providers performing stress urinary incontinence (SUI) and pelvic organ prolapse (POP) procedures in the United States. METHODS: The Centers for Medicare Services public database, released for years 2012 through 2014, was queried for SUI-related and POP-related Healthcare Common Procedure Coding System. Providers were categorized as Female Pelvic Medicine and Reconstructive Surgery (FPMRS) providers and non-FPMRS providers, using a list of FPMRS board-certified providers compiled through the American Board of Medical Subspecialties website...
March 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28230603/computed-tomography-evaluation-of-nasal-bone-and-nasal-pyramid-in-the-turkish-population
#12
Hatice Kaplanoglu, Hüseyin Coskun, Ugur Toprak
OBJECTIVE: To classify shapes of the nasal bones in the Turkish population and comparatively evaluate the sizes of nasal bone and piriform apertures. METHODS: Two- and three-dimensional paranasal sinus computed tomography images of 363 patients were evaluated. Upper, intermediate, and inferior thickness of bilateral nasal bones and thickness of medial and lateral osteotomy line were measured. The shapes of the nasal bones were classified. RESULTS: The mean thickness of nasal bone in the study participants was 1...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28230586/cranial-reconstruction-using-autologous-bone-and-methylmethacrilate
#13
Nenad Novaković, Ana Malivuković, Ljubodrag Minić, Milan Lepić, Stefan Mandić-Rajčević, Lukas Rasulić
BACKGROUND: Having in mind the importance of reconstruction of the calvaria, our goal was to compare the complication rates following the use of autologous bone and methylmethacrilate grafts, and explain the factors influencing them. METHODS: The authors collected information of all the patients undergoing cranial reconstructive surgery (N = 149) at the Military Medical Academy in Belgrade. Procedures were performed either using a craniotomy bone flap, removed and replaced in the same act, or using methylmethacrilate...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28229358/postmastectomy-radiation-therapy-and-breast-reconstruction-with-autologous-tissue
#14
Yasunobu Terao, Koichiro Taniguchi, Miwako Fujii, So Moriyama
Immediate breast reconstruction is an important tool for patients to accept and overcome their breast cancer, as well as for cosmetic reasons. However, its use in patients who require postmastectomy radiation therapy (PMRT) is not yet clear. The purpose of this study was to analyze the effects of PMRT and reconstruction on each other. The time of initiation of PMRT, the prognosis, and the cosmetic results were investigated in patients who underwent immediate reconstruction using autologous tissue. In the case of delayed reconstruction using autologous tissue after PMRT, radiation damage of the chest skin, design of the flap, and cosmetic results were investigated...
February 22, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28229288/complications-in-diep-flap-breast-reconstruction-after-mastectomy-for-breast-cancer-a-prospective-cohort-study-comparing-unilateral-versus-bilateral-reconstructions
#15
Ryckie G Wade, Sergio Razzano, Elaine M Sassoon, Richard M Haywood, Rozina S Ali, Andrea Figus
BACKGROUND: The demand for bilateral breast reconstructions is rising worldwide. In the UK, approximately 30% of breast cancer patients undergoing mastectomy choose autologous tissue breast reconstruction. Although the deep inferior epigastric perforator (DIEP) flap is gaining popularity, bilateral DIEP flap breast reconstruction remains a complex procedure and reliable outcome data are lacking. In the absence of clinical trials, evidence from cohort studies is needed to better inform clinicians and patients...
February 22, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28229229/management-of-unstable-distal-third-clavicle-fractures-clinical-and-radiological-outcomes-of-the-arthroscopy-assisted-conoid-ligament-reconstruction-and-fracture-cerclage-with-sutures
#16
Luis Natera Cisneros, Juan Sarasquete Reiriz
INTRODUCTION: Surgical treatment is indicated for the management of Neer type IIB fractures of the distal third of the clavicle. The aim of this study was to assess the clinical and radiological outcomes, in cases of unstable distal third clavicle fractures managed by means of an arthroscopy-assisted conoid ligament reconstruction and fracture cerclage with sutures. METHODS: Nine patients with unstable distal third clavicle fractures (Neer type IIB) managed arthroscopically by means of a conoid ligament reconstruction and fracture cerclage with sutures, between 2008 and 2012, were included...
February 22, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28229081/usefulness-of-oblique-multiplanar-images-on-multi-detector-computed-tomography-for-diagnosing-intersigmoid-hernia
#17
Kenta Kumagai, Masato Yoshioka, Masatake Iida, Kazuhiro Kudoh, Hiroshi Uchinami, Tasuku Watanabe, Yuzo Yamamoto
BACKGROUND: Intersigmoid hernia is a hernia of the small intestine into the intersigmoid fossa. Because the cavity of the intersigmoid fossa is so small, the preoperative detection of incarcerated intestine and/or mesenteric convergence is very difficult. We report a case of intersigmoid hernia in which the incarcerated bowel and mesenteric convergence could be visualized by oblique multiplanar reconstruction (MPR) images on multi-detector computed tomography (MDCT). CASE REPORT: An 82-year-old man with small bowel obstruction was treated conservatively with a long intestinal tube...
December 2016: Visceral Medicine
https://www.readbyqxmd.com/read/28228051/patellar-complications-in-single-versus-double-tunnel-medial-patellofemoral-ligament-reconstruction
#18
Riazuddin Mohammed, Neil Hunt, A J Gibbon
PURPOSE: Hamstring graft fixation on the patellar side during medial patellofemoral ligament (MPFL) reconstruction is usually with transosseous tunnels and can frequently lead to further problems. The aim of our study was to compare and analyse patellar complications in single patellar tunnel versus double tunnel hamstring graft fixation. METHODS: Twenty-nine knees with MPFL reconstructions (group S) in which the hamstring tendon graft was transfixed using a suspensory fixation method in a single tunnel drilled across the patella were analysed in comparison with 29 knees (group D) with interference fixation of the graft through two tunnels drilled up to a predetermined depth in the patella...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28227666/advanced-sensors-placement-for-accurate-3d-needle-shape-reconstruction
#19
Pierre-Loup Schaefer, Gregory Chagnon, Alexandre Moreau-Gaudry, Pierre-Loup Schaefer, Gregory Chagnon, Alexandre Moreau-Gaudry, Pierre-Loup Schaefer, Alexandre Moreau-Gaudry, Gregory Chagnon
Needles are tools widely used in minimally invasive surgery. During such procedures the localization of the needle and its tip is a challenging situation because of the needle deformations due to its interactions with tissues. To tackle this problem, instrumented needles with sensors have been currently developed to allow needle reconstruction and tip localization. In conventional surgery this difficulty is overcome by medical imaging. The interest in using an instrumented needle resides in the possible dispense of medical imaging...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227031/automatic-segmentation-and-user-friendly-software-techniques-for-virtual-surgical-planning-of-mandibular-reconstruction
#20
Youngjun Kim, Sunhee Kim, Hannah Kim, Hyunchul Cho, Deukhee Lee, Laehyun Kim, Sehyung Park, Jung-Woo Lee, Youngjun Kim, Sunhee Kim, Hannah Kim, Hyunchul Cho, Deukhee Lee, Laehyun Kim, Sehyung Park, Jung-Woo Lee, Sehyung Park, Jung-Woo Lee, Laehyun Kim, Youngiun Kim, Sunhee Kim, Deukhee Lee, Hannah Kim, Hyunchul Cho
Compared to conventional mandibular reconstruction surgery, a recent approach of virtual planning can reduce surgical time providing reliable surgical outcomes. We present our virtual surgical planning software using automatic segmentation and user-friendly techniques. Evaluation experiments compared with a commercial software prove that the proposed software can achieve successful surgical planning in reduced time with reliable accuracy.
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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