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Anna Fabis-Strobin, Miroslaw Topol, Jaroslaw Fabis, Kryspin Niedzielski, Michal Podgorski, Lukasz Strobin, Michal Polguj
INTRODUCTION: Although the pathomechanism of isolated infraspinatus atrophy (ISA) in throwing sports is known to be traction, it is unclear why only some players are affected. One likely explanation is that the infraspinatus pulling force exerted by its contracture generate the compressive resultant component force (Fn) compressing the lateral trunk of the suprascapular nerve (LTSN) against the edge of scapular spine. This paper makes two key assumptions (1) the course of LTSN in relation to the scapular spine, defined as the suprascapular-scapular spine angle (SSSA) is the key individual anatomical feature influencing the Fn magnitude, and thus potentially ISA development (2) SSSA is correlated with scapular notch type...
March 9, 2018: Surgical and Radiologic Anatomy: SRA
Sukru Yazar, E Cigdem Karadag, Altug Altinkaya, Halil Kara, Cihan Uras
BACKGROUND: Breast reconstruction with a Becker-type expander is a common technique following mastectomy. However, inconsistency remains in the literature regarding risk factors for the survival of a Becker-type expander following immediate breast reconstruction. This study's purpose is to investigate possible risk factors for the Becker-type expander survival and to evaluate the complications related to expander removal following immediate breast reconstruction. METHODS: We performed a retrospective chart review of consecutive women who underwent a mastectomy followed by immediate breast reconstruction with a Becker-type expander from November 2010 to November 2016...
March 9, 2018: Aesthetic Plastic Surgery
Xiao Xu, Linying Lai, Xuyi Zhang, Jinhong Chen, Junnan Chen, Fei Wang, Jingchen Zheng, Minliang Chen
BACKGROUND: Scarring is the product of natural restoration, yet its treatment remains challenging. Both collagen and fibroblasts are abnormally abundant in scars, leading to scar hyperplasia or contracture. Several clinical studies have reported that wrinkles at the recipient site are reduced, pores are narrowed, pigmentation is decreased, and skin is softened after autologous fat transplantation. In this study, we investigated the ability of autologous chyle fat injection to normalize the fibroblasts and collagen of scar tissue in 80 adult patients with hypertrophic scars resulting from severe burns received more than 1 year previously...
March 9, 2018: Stem Cell Research & Therapy
Jae Bong Kim, Hyeon Jun Jeon, Jeong Woo Lee, Kang Young Choi, Ho Yun Chung, Byung Chae Cho, Shin-Hyung Park, Min Hee Park, Jae-Sung Bae, Jung Dug Yang
As the availability of breast reconstruction using implants is becoming widespread and many implant recipients undergo radiation therapy, there is an increasing interest in understanding the potential complications associated with capsule-tissue interactions in response to irradiation. Accordingly, our medical institution designed an animal experiment to investigate the effects of irradiation on capsular contracture. A total of 40 mice (C57BL6) were divided into four groups according to whether or not they received irradiation and the time from implantation to irradiation...
March 9, 2018: Journal of Plastic Surgery and Hand Surgery
R Sanjuán-Cerveró, P Vazquez-Ferreiro, D Gómez-Herrero, F J Carrera-Hueso, N Fikri-Banbrahim
Aim Clostridium histolyticum collagenase (CCH) is nowadays an alternative treatment for the contracture of Dupuytren. Our objective is to assess its effectiveness at one year in a series of consecutive patients. MATERIAL AND METHOD: Prospective study with minimum follow-up of one year. Evaluation of results and adverse effects. RESULTS: A total of 75 joints treated in 51 patients were included. The average age was 65.18years (SD: 7.288) and 82.7% were males. The initial mean contraction of the MCP was 34...
March 5, 2018: Revista Española de Cirugía Ortopédica y Traumatología
O Lorbach
IMPLANT DESIGNS: Within the last 50 years, implants for shoulder replacement have developed rapidly. Monobloc-stems in few sizes were changed to modular implant systems that allow for an individual adaption of the stem, as well as adaption of the humeral head component according to the specific anatomic situation of the patient. Moreover, stemless und short stem implants are available, which may highly simplify primary implantation, especially in posttraumatic cases as well as in revision cases with a need for removal or change of the implants...
March 6, 2018: Der Orthopäde
K J Low, K Stals, R Caswell, M Wakeling, J Clayton-Smith, A Donaldson, N Foulds, A Norman, M Splitt, K Urankar, K Vijayakumar, A Majumdar, Ddd Study, S Ellard, S F Smithson
CHN is genetically heterogeneous and its genetic basis is difficult to determine on features alone. CNTNAP1 encodes CASPR, integral in the paranodal junction high molecular mass complex. Nineteen individuals with biallelic variants have been described in association with severe congenital hypomyelinating neuropathy, respiratory compromise, profound intellectual disability and death within the first year. We report 7 additional patients ascertained through exome sequencing. We identified 9 novel CNTNAP1 variants in 6 families: three missense variants, four nonsense variants, one frameshift variant and one splice site variant...
March 6, 2018: European Journal of Human Genetics: EJHG
Hannah J Whittington, Philip J Ostrowski, Debra J McAndrew, Fang Cao, Andrew Shaw, Thomas R Eykyn, Hannah Lake, Jack Tyler, Jurgen E Schneider, Stefan Neubauer, Sevasti Zervou, Craig A Lygate
Aims: Mitochondrial creatine kinase (MtCK) couples ATP production via oxidative phosphorylation to phosphocreatine in the cytosol, which acts as a mobile energy store available for regeneration of ATP at times of high demand. We hypothesised that elevating MtCK would be beneficial in ischaemia-reperfusion (I/R) injury. Methods and Results: Mice were created overexpressing the sarcomeric MtCK gene with αMHC promoter at the Rosa26 locus (MtCK-OE) and compared with wild-type (WT) littermates...
March 2, 2018: Cardiovascular Research
Leslie Kim, Nikki Castel, Fereydoun Don Parsa
We present a case report of a patient who experienced a late, spontaneous breast hematoma 26 years after primary breast augmentation. Late hematomas are a rare complication of breast augmentation with uncertain etiology. In this case, there was no trauma, calcifications, or implant rupture. We believe the patient's hematoma was secondary to erosion of a capsular vessel due to capsular contracture.
March 5, 2018: Archives of Plastic Surgery
Tarek M Elbanoby, Serag M Zidan, Amr M Elbatawy, Gaber M Aly, Khallad Sholkamy
Background: A variety of island flaps can be based on the superficial temporal artery with variable tissue composition. They can be used for defect reconstruction, cavity resurfacing, facial hair restoration, or contracture release. Methods: Seventy-two patients underwent facial reconstruction using a superficial temporal artery island flap from October 2010 to October 2014. The defects had various etiologies, including trauma, burns, tumors, exposed hardware, and congenital causes...
March 5, 2018: Archives of Plastic Surgery
Si-Hyun Park, Hyung-Bo Sim
Background: During breast augmentation, the transaxillary approach provides the advantage of allowing the mammary prosthesis to be placed through incisions that are remote from the breast itself, thereby reducing the visibility of postoperative scars. For patients experiencing capsular contracture who do not want additional scars, the previous transaxillary scar can be used for site change and implant exchange. Methods: This study analyzed 17 patients (34 breasts) with submuscular breast implants with grade III-IV capsular contracture who received treatment from 2010 to 2015...
March 5, 2018: Archives of Plastic Surgery
Julia Mrosk, SriLakshmi Bhavani Gandham, Hitesh Shah, Jochen Hecht, Ulrike Krüger, Anju Shukla, Uwe Kornak, Katta Mohan Girisha
Osteogenesis Imperfecta (OI) is a clinically and genetically heterogeneous disorder. Although differential diagnosis is greatly facilitated by next generation sequencing, its availability can vary considerably. In this study, we compared targeted gene panel or exome sequencing with clinical scoring and grouping in a cohort of 50 OI index patients recruited by a single Indian clinical center in an unselected fashion. In 48 patients we observed a total of 24 novel mutations and 24 known OI mutations, of which several were recurrent...
February 27, 2018: Bone
Dong-Young Kim, Lina Omar Alfadil, Kang-Min Ahn, Jee-Ho Lee
A 21-year-old female patient underwent wide excision of the buccal mucosa and tongue as well as selective neck dissection due to squamous cell carcinoma on the left side of the tongue. She had a severe limitation in opening her mouth, owing to fibrosis of the mucosa and scar contracture after adjuvant radiation therapy. Reconstruction of the oral mucosa and tongue defect was performed after removal of the scar to improve mouth opening. An anterolateral thigh (ALT) flap was used, trimmed to an adipofascial flap for the reconstruction of the thin and pliable oral mucosa and tongue...
March 1, 2018: Journal of Craniofacial Surgery
Ho Jun Lee, Yong Ju Jang
Hypertrophic scars and keloids are fibroproliferative disorders that may arise after any deep cutaneous injury caused by trauma, burns, surgery, etc. Hypertrophic scars and keloids are cosmetically problematic, and in combination with functional problems such as contractures and subjective symptoms including pruritus, these significantly affect patients' quality of life. There have been many studies on hypertrophic scars and keloids; but the mechanisms underlying scar formation have not yet been well established, and prophylactic and treatment strategies remain unsatisfactory...
March 2, 2018: International Journal of Molecular Sciences
Ki-Tae Na, Seok-Whan Song, Yoon-Min Lee, Jae-Hoon Choi
BACKGROUND: Triceps weakness is a common complication of total elbow arthroplasty (TEA). Many posterior approaches for TEA have been introduced to maintain triceps function. The present study evaluated the clinical outcomes and extensor strengths of primary TEA with modified triceps fascial tongue approach. METHODS: Twenty-one primary TEAs performed in 20 patients by a single surgeon were reviewed with a mean of 64.2 months (range, 24-127 months) of follow-up. Every TEA was performed using the modified triceps fascial tongue approach, with the Coonrad-Morrey prosthesis...
February 26, 2018: Journal of Shoulder and Elbow Surgery
Asit Kumar Sikary, Mahesh Kumar, Shivani Dhaka, Arulselvi Subramanian
Ilizarov process is used for the management of multiple fractures, polytrauma conditions, cosmetic limb lengthening, and fracture malunion. Complications associated with the process are nerve palsy, joint contracture, premature or delayed osseous consolidation, a nonunion and permanent stiffness of the joint, pin tract infection, edema, and transient paresthesia, etc. In our case, there was a fatal complication. A 25-year-old African lady underwent the Ilizarov procedure for femur lengthening in a hospital in New Delhi, India...
March 1, 2018: Journal of Forensic Sciences
Richard L Purcell, John P Cody, Deborah J Ammeen, Nitin Goyal, Gerard A Engh
INTRODUCTION: Unicompartmental knee arthroplasty (UKA) is an effective alternative to total knee arthroplasty (TKA) for the management of unicondylar osteoarthritis. Historical contraindications limit patients' eligibility for UKA. However, recent reports have suggested that some contraindications may not be absolute. This study evaluates preoperative flexion contracture with regard to UKA. METHODS: This study was a retrospective review of 53 patients with preoperative flexion contracture between 11° and 20° who underwent fixed-bearing UKA and a matched cohort of 53 patients who underwent cruciate-retaining TKA...
February 27, 2018: Journal of the American Academy of Orthopaedic Surgeons
Jayalalitha Sathiyamoorthy, Natarajan Sudhakar
Background: Ficus hispida Linn. (Family Moraceae ), well-known beneficial medicinal shrub, has been traditionally used for the treatment of various diseases such as leukoderma. Objective: The aim of the present study is to investigate the efficacy of F. hispida ethanolic leaves extract for antiproliferative, apoptotic, cell cycle blockade, and wound healing. Materials and Methods: F. hispida leaves extract was treated with colorectal adenocarcinoma cancer cell line HT29 for 24 h with control...
January 2018: Pharmacognosy Magazine
Megumi Ueno, Ikuo Nakanishi, Ken-Ichiro Matsumoto
A digitization approach to the time course of radiation-induced mouse leg contracture was proposed for quantifying the radiation effect on an individual living mouse. The shortening of the mouse leg length can be easily measured with a caliper/ruler to offer a very simple digitalized index of the radiation effect. Left hind legs of mice were irradiated with single dose of 32 Gy of 290 MeV carbon-ion beam using 0, 50, or 117 mm binary filter (BF). The right legs were used as a control. The lengths of both hind legs of the mice were measured using a digital caliper before irradiation and every week after irradiation...
2018: Biological & Pharmaceutical Bulletin
Susanne Saal, Gabriele Meyer, Katrin Beutner, Hanna Klingshirn, Ralf Strobl, Eva Grill, Eva Mann, Sascha Köpke, Michel H C Bleijlevens, Gabriele Bartoszek, Anna-Janina Stephan, Julian Hirt, Martin Müller
BACKGROUND: Joint contractures in nursing home residents limit the capacity to perform daily activities and restrict social participation. The purpose of this study was to develop a complex intervention to improve participation in nursing home residents with joint contractures. METHODS: The development followed the UK Medical Research Council framework using a mixed-methods design with re-analysis of existing interview data using a graphic modelling approach, group discussions with nursing home residents, systematic review of intervention studies, structured 2-day workshop with experts in geriatric, nursing, and rehabilitation, and group discussion with professionals in nursing homes...
February 28, 2018: BMC Geriatrics
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