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https://www.readbyqxmd.com/read/29161346/co-transplantation-of-nanofat-enhances-neovascularization-and-fat-graft-survival-in-nude-mice
#1
Qian Yu, Yizuo Cai, He Huang, Zhenxing Wang, Peng Xu, Xiangsheng Wang, Lu Zhang, Wenjie Zhang, Wei Li
Background: Autologous fat grafting is commonly used for soft-tissue augmentation and reconstruction. However, this technique is limited by a high rate of graft absorption. Thus, approaches to improve fat graft survival that promote neovascularization are of great interest. Nanofat has several beneficial features that may render it more suitable for clinical applications than other stem-cell based approaches. Objectives: We aimed to determine whether nanofat could enhance new vessel formation and improve the long-term retention of fat grafts...
November 17, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29160630/synthetic-grafts-in-the-treatment-of-ruptured-anterior-cruciate-ligament-of-the-knee-joint
#2
REVIEW
Wojciech Satora, Aleksandra Królikowska, Andrzej Czamara, Paweł Reichert
The anterior cruciate ligament (ACL) is cited as the most frequently injured ligament in the knee. The standard treatment of ACL injury remains ligament reconstruction followed by a postoperative physiotherapeutic procedure. During the reconstruction, the torn ligament can be replaced with an autograft or an allograft. A synthetic ligament is also one of the available graft options. Synthetic grafts in ruptured ACL treatment have been used as scaffolds, stents, or prostheses. The story of using synthetic materials in ACL deficient knee treatment started in the beginning of the 20th century with the usage of silk and silver fibers...
January 2017: Polimery W Medycynie
https://www.readbyqxmd.com/read/29160343/the-effect-of-hard-tissue-surgical-changes-on-soft-tissue-displacement-a-pilot-cbct-study
#3
Leonardo Koerich, Daniel Paludo Brunetto, Eduardo Terumi Blatt Ohira
INTRODUCTION: This pilot study had as main objective to test the reliability of a new method to evaluate orthognathic surgery outcomes and also, to understand the effect of hard tissue changes on soft tissue displacement. METHODS: The sample consisted of eight patients that underwent bimaxillary advancement and had CBCT at two time points (before surgery and 6-8 months follow-up). Voxel-based cranial base superimposition was used to register the scans. A different technique of iterative closest point (ICP) was used to measure and correlate the changes...
September 2017: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/29159170/a-case-of-dystrophic-calcification-in-the-masseter-muscle
#4
Heon-Young Kim, Jung-Hyun Park, Jun-Bum Lee, Sun-Jong Kim
Background: Dystrophic calcification can occur in any soft tissue with the absence of a systemic mineral imbalance and is often associated with trauma, infection, or inflammation. It is easily found in the site of the heart and skeletal muscles and rarely appears in the head and neck area. Case report: We present a rare case of multiple calcified masses in the left masseter muscle of a 26-year-old female with a history of trauma in the area. In computed tomography, multiple radiopaque masses were observed inside the left masseter muscle and blood test results were normal...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29159166/laparoscopic-and-robotic-surgeries-for-patients-with-colorectal-cancer-who-have-had-a-previous-abdominal-surgery
#5
Soeun Park, Jeonghyun Kang, Eun Jung Park, Seung Hyuk Baik, Kang Young Lee
Purpose: The impact of previous abdominal surgery (PAS) on surgical outcomes from laparoscopic and robot surgeries is inconclusive. This study aimed to investigate the impact of PAS on perioperative outcomes from laparoscopic and robotic colorectal surgeries. Methods: From March 2007 to February 2014, a total of 612 and 238 patients underwent laparoscopic and robotic surgeries, respectively. Patients were divided into 3 groups: those who did not have a PAS (NPAS), those who had a major PAS, and those who had a minor PAS...
October 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/29158858/elastofibroma-dorsi-case-report-and-review-of-the-literature
#6
Basma Karrakchou, Youssef Yaikoubi, Mohamed Said Chairi, Abdelouahed Jalil
Elastofibroma dorsi (ED) is an uncommon benign soft tissue tumor with an uncertain pathogenesis. It mostly occurs in the infrascapular region of elderly people with a female predominance. Typically bilateral, ED can also be unilateral. While many patients remain asymptomatic, ED can be responsible of a periscapular arch source of ache. The diagnosis of ED is set on magnetic resonance imaging, and the pathological study ensures the diagnosis after surgical excision and establishes the differential diagnosis with malignant neoplasic process...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29158651/soft-tissue-complications-in-distal-tibial-fractures-managed-with-medial-locking-plates-a-myth-or-reality
#7
Deepak Jain, Harpal Singh Selhi, Mohammad Yamin, Pankaj Mahindra
Background: Distal tibial fractures are common injuries that are prone to complications and require careful management. The use of medial periarticular locking plates is an established modality in the treatment if these fractures. These plates are inserted using the minimally invasive plate osteosynthesis (MIPO) or open technique. Our study looks at the soft tissue complications associated with the use of medial locking plates in the management of these fractures. Methods: This was a retrospective study carried out at a tertiary care university hospital in an urban setting...
November 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29157456/real-time-deformation-of-human-soft-tissues-a-radial-basis-meshless-3d-model-based-on-marquardt-s-algorithm
#8
Jianyong Zhou, Zu Luo, Chunquan Li, Mi Deng
BACKGROUND: When the meshless method is used to establish the mathematical-mechanical model of human soft tissues, it is necessary to define the space occupied by human tissues as the problem domain and the boundary of the domain as the surface of those tissues. Nodes should be distributed in both the problem domain and on the boundaries. Under external force, the displacement of the node is computed by the meshless method to represent the deformation of biological soft tissues. However, computation by the meshless method consumes too much time, which will affect the simulation of real-time deformation of human tissues in virtual surgery...
January 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29153256/intraoperative-force-and-electrocochleography-measurements-in-an-animal-model-of-cochlear-implantation
#9
J Lo, C Bester, A Collins, C Newbold, A Hampson, S Chambers, H Eastwood, S O'Leary
To preserve residual hearing, techniques for monitoring and reducing the effects of trauma during cochlear implant surgery are being developed. This study examines the relationships between intraoperative recordings (electrode insertion force and electrocochleography), trauma, and hearing loss after cochlear implantation. The study also evaluated the efficacy of intravenous steroids for reducing hearing loss after implantation. Thirty-two normal-hearing guinea pigs were randomly implanted with electrode arrays of differing stiffness ('hard' or 'soft')...
November 9, 2017: Hearing Research
https://www.readbyqxmd.com/read/29150150/biocompatible-hollow-polymeric-particles-produced-by-a-mild-solvent-and-template-free-strategy
#10
Eustolia Rodríguez-Velázquez, Pablo Taboada, Manuel Alatorre-Meda
Macroscopic hollow polymeric particles are attractive materials for various applications such as surgery, food industry, agriculture, etc. However, protocols reporting their synthesis have hitherto made use of organic solvents and/or sacrificial templates, compromising the encapsulation of different bioactive compounds and the process yield. Here, millimeter-size, hollow polymeric particles were synthesized, for the first time, in a solvent- and template free manner onto superhydrophobic surfaces (SHS). The particles were produced upon assembly and double superficial crosslinking of liquid droplets of DNA and methacrylamide chitosan aqueous solutions (CH:MA), leading to liquid-core particles with a hardened hydrogel shell...
November 14, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29148288/cochlear-volume-as-a-predictive-factor-for-residual-hearing-preservation-after-conventional-cochlear-implantation
#11
Masahiro Takahashi, Yasuhiro Arai, Naoko Sakuma, Kenichiro Yabuki, Daisuke Sano, Goshi Nishimura, Nobuhiko Oridate, Shin-Ichi Usami
OBJECTIVE: The preservation of residual hearing after conventional cochlear implantation (CI) is frequently observed when atraumatic soft surgery is adopted. The purpose of this study was to elucidate the predictive factors for residual hearing preservation after atraumatic CI. PATIENTS: This study included 46 patients who underwent CI based on an atraumatic technique using a standard-length flexible electrode implant through a round window approach. MAIN OUTCOME MEASURE: Cochlear volume was measured using magnetic resonance imaging (MRI)...
November 17, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/29147813/noninvasive-induction-of-angiogenesis-in-tissues-by-external-suction-sequential-optimization-for-use-in-reconstructive-surgery
#12
G Giatsidis, L Cheng, A Haddad, K Ji, J Succar, L Lancerotto, J Lujan-Hernandez, P Fiorina, H Matsumine, D P Orgill
In reconstructive surgery, tissues are routinely transferred to repair a defect caused by trauma, cancer, chronic diseases, or congenital malformations; surgical transfer intrinsically impairs metabolic supply to tissues placing a risk of ischemia-related complications such as necrosis, impaired healing, or infection. Pre-surgical induction of angiogenesis in tissues (preconditioning) can limit postsurgical ischemic complications and improve outcomes, but very few preconditioning strategies have successfully been translated to clinical practice due to the invasiveness of most proposed approaches, their suboptimal effects, and their challenging regulatory approval...
November 17, 2017: Angiogenesis
https://www.readbyqxmd.com/read/29145771/topical-simvastatin-gel-as-a-novel-therapeutic-modality-for-palatal-donor-site-wound-healing-following-free-gingival-graft-procedure
#13
Marwa Madi, Abeer Kassem
OBJECTIVE: Autogenous soft-tissue grafting is a commonly used procedure nowadays in dentistry. However, the prolonged healing time needed for the donor site leads to increase the patient's pain and discomfort. Statin has been observed to be beneficial in reducing bacterial burden, improving epithelization and wound healing. The aim of this study was to evaluate intra-oral topical application of simvastatin/chitosan gel (10 mg/mL) over the palatal donor site following free gingival graft (FGG) procedure...
November 16, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29145339/alveolar-soft-part-sarcoma-with-multiple-brain-and-lung-metastases-in-pregnancy-a-case-report-and-literature-review
#14
Yubo Wang, Jiayue Cui, Xu Yan, Rihua Jin, Xinyu Hong
RATIONAL: Alveolar soft part sarcomas (ASPSs) with multiple brain metastases in pregnancy is a rare entity. PATIENT CONCERNS: We report our experience with a 19-year-old pregnant woman who presented with intermittent headaches and vomiting at 38 weeks gestation. DIAGNOSES: The patient was initially diagnosed as brain metastasis according to computed tomography and magnetic resonance imaging (MRI) imaging. INTERVENTIONS: Cesarean section and craniotomy (complete resection of both brain metastatic lesions) was performed sequentially...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145337/partial-resection-and-reconstruction-of-the-sternum-for-treatment-of-metachronous-sternal-metastasis-of-thyroid-carcinoma-a-case-report
#15
Hong-Jing Lan, Zhi-Qiang Wu, Dong-Ge Gong, Wang-Yong Zheng, Yun Jin
RATIONALE: Metachronous sternal metastasis of thyroid carcinoma was a rare disease. There was no consensus in the treatment for bone metastasis after the initial thyroid carcinoma surgery. PATIENT CONCERNS: A 53-year-old female patient was hospitalized due to recurrent dull chest pains, with a history of radical right side thyroid carcinoma 4 years ago. On examination, there was an irregular mass on the lower left half of the sternum. Computerized tomography scan showed sternal bone destruction with a soft tissue mass...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145253/anterior-endoscopically-assisted-bone-grafting-for-iatrogenic-distraction-of-odontoid-fracture-after-percutaneous-anterior-screw-fixation-a-case-report
#16
Ze-Xin Chen, Hui Zhang, Nai-Feng Tian, Xiang-Yang Wang, Yan Lin, Yao-Sen Wu
RATIONALE: The complication of iatrogenic distraction of odontoid fracture after anterior screw fixation has not been reported in the literature. We treated the patient with endoscopically assisted bone grafting with good results. The new technique was not reported in the management of odontoid fracture or nonunion before. PATIENT CONCERNS: A 22-year-old man presented with neck pain after a motorcycle crash. The cervical spine radiograph and computed tomographic scan demonstrated the base of dens displaced 2 mm anteriorly...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143901/combined-vertebral-augmentation-and-radiofrequency-ablation-in-the-management-of-spinal-metastases-an-update
#17
REVIEW
Ning Mao Kam, Julian Maingard, Hong Kuan Kok, Dinesh Ranatunga, Duncan Brooks, William C Torreggiani, Peter L Munk, Michael J Lee, Ronil V Chandra, Hamed Asadi
Spinal metastases are the most commonly encountered tumour of the spine, occurring in up to 40% of patients with cancer. Each year, approximately 5% of cancer patients will develop spinal metastases. This number is expected to increase as the life expectancy of cancer patients increases. Patients with spinal metastases experience severe and frequently debilitating pain, which often decreases their remaining quality of life. With a median survival of less than 1 year, the goals of treatment in spinal metastases are reducing pain, improving or maintaining level of function and providing mechanical stability...
November 16, 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/29143094/the-application-of-a-performance-based-self-administered-intra-procedural-checklist-on-surgical-trainees-during-laparoscopic-cholecystectomy
#18
Michael El Boghdady, Afshin Alijani
INTRODUCTION: Surgical checklists are in use to reduce errors for safer surgery. We aimed to study the effect of a previously designed performance-based self-administered intra-procedural checklist on the performance of trainees during elective laparoscopic cholecystectomy. METHODS: Twenty-four laparoscopic cholecystectomies were enrolled into the study. Six surgical trainees each performed four procedures, two without the checklist and directly followed by two procedures with the checklist...
November 15, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/29142747/clinical-characteristics-of-critically-ill-cancer-patients-who-are-undergoing-isolated-limb-perfusion
#19
Silvio A Ñamendys-Silva, Arturo M Ruiz-Beltran, Mireya Barragán-Dessavre, Andoreni R Bautista-Ocampo, Abelardo Meneses-García, Octavio González-Chon, Angel Herrera-Gómez
The aim of the present study was to investigate the incidence of organ dysfunction, and to describe the clinical characteristics and intensive care unit (ICU) outcomes of critically ill cancer patients who were admitted to an oncological ICU during the isolated limb perfusion post-operative period. The present study was an observational investigation of 42 critically ill cancer patients who were admitted to the ICU of the Instituto Nacional de Cancerología, during the isolated limb perfusion post-operative period, between July 2010 and February 2016...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29141056/in-vivo-histological-analysis-of-a-fractional-co2-laser-system-intended-for-treatment-of-soft-tissue
#20
Elisabeth Hurliman, Brian Zelickson, Jeffrey Kenkel
<p>BACKGROUND: Fractional ablative lasers have been shown to be safe and effective for improving wrinkles, scars, skin texture, and dyspigmentation. However, the exact effects of this technology in vivo on epidermal and dermal skin constituents have not been delineated. This study evaluated the in vivo histological effects over time of treatment with a fractional ablative CO2 system, using different treatment parameters. MATERIALS AND METHODS: Healthy adult volunteers were enrolled in this multicenter clinical study...
November 1, 2017: Journal of Drugs in Dermatology: JDD
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