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https://www.readbyqxmd.com/read/28539245/external-validation-of-the-breast-reconstruction-risk-assessment-calculator
#1
Nima Khavanin, Cecil S Qiu, Alexei S Mlodinow, Michael M Vu, Robert G Dorfman, Neil A Fine, John Y S Kim
INTRODUCTION: The Breast reconstruction Risk Assessment (BRA) Score estimates patient-specific risk for postsurgical complications using an individual's unique combination of preoperative variables. In this report, we externally validate the BRA Score models for surgical site infection, seroma, and explantation in a large sample of intra-institutional patients who underwent prosthetic breast reconstruction. METHODS: We reviewed all initiated tissue expander/implant reconstructions by the senior authors from January 2004 to December 2015...
April 23, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28532249/breast-volume-is-affected-by-body-mass-index-but-not-age
#2
Celeste E Coltman, Julie R Steele, Deirdre E McGhee
BACKGROUND: This study aimed to establish normative breast volume data for women of varying ages, body masses and breast sizes, and to determine the effect of age and body mass index (BMI) on breast volume. METHODS: The breast volume of 356 women (age range: 18.1-83.7 years; BMI range: 18.4-54.5 kg/m²) was measured using three-dimensional scanning in a prone position Results: Breast volumes ranged from 48 mL - 3100 mL. Although breast volume was not significantly affected by age, it was significantly affected by BMI, with the breast volume of overweight and obese women being two-to-three times greater than women with normal BMI's...
May 22, 2017: Ergonomics
https://www.readbyqxmd.com/read/28445356/what-is-the-standard-volume-to-increase-a-cup-size-for-breast-augmentation-surgery-a-novel-three-dimensional-computed-tomographic-approach
#3
Nina-Marie King, Vedran Lovric, William C H Parr, W R Walsh, Pouria Moradi
BACKGROUND: Breast augmentation surgery poses many challenges, and meeting the patient's expectations is one of the most important. Previous reports equate 100 cc to a one-cup-size increase; however, no studies have confirmed this between commercially available bras. The aim of this study was to identify the volume increase between cup sizes across different brands and the relationship with implant selection. METHODS: Five bra cup sizes from three different companies were analyzed for their volume capacity...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445351/breast-cancer-and-reconstruction-normative-data-for-interpreting-the-breast-q
#4
Lily R Mundy, Karen Homa, Anne F Klassen, Andrea L Pusic, Carolyn L Kerrigan
BACKGROUND: The BREAST-Q is a patient-reported outcome instrument used to evaluate outcomes in patients undergoing breast cancer surgery and reconstruction. Normative values for the BREAST-Q breast cancer modules have not been established, limiting data interpretation. METHODS: Participants were recruited by means of the Army of Women, an online community of women (with and without breast cancer), to complete Mastectomy, Breast Conserving Therapy, and Reconstruction preoperative BREAST-Q scales...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28371964/tips-and-tricks-to-improve-clinical-and-aesthetic-outcomes-in-latissimus-dorsi-flap-breast-reconstruction
#5
Rosaria Laporta, Michail Sorotos, Benedetto Longo, Fabio Santanelli di Pompeo
Background The aim of this study is to present technical strategies to decrease donor-site complications, to optimize breast shaping, and to achieve symmetry in one-stage procedure in latissimus dorsi (LD) flap reconstruction. Methods Between 2004 and 2014, a retrospective review was performed on LD flap reconstructions. Demographics, reconstructive details, clinical, and aesthetic outcomes were collected and analyzed. Patients were divided in historical control group (HCG) and new strategy group (NSG)...
April 3, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28350657/normative-data-for-interpreting-the-breast-q-augmentation
#6
Lily R Mundy, Karen Homa, Anne F Klassen, Andrea L Pusic, Carolyn L Kerrigan
BACKGROUND: The BREAST-Q is a rigorously developed, well-validated, patient-reported outcome instrument with a module designed for evaluating breast augmentation outcomes. However, there are no published normative BREAST-Q scores, limiting interpretation. METHODS: Normative data were generated for the BREAST-Q Augmentation module by means of the Army of Women, an online community of women (with and without breast cancer) engaged in breast-cancer related research...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28350653/understanding-the-health-burden-of-macromastia-normative-data-for-the-breast-q-reduction-module
#7
Lily R Mundy, Karen Homa, Anne F Klassen, Andrea L Pusic, Carolyn L Kerrigan
BACKGROUND: The BREAST-Q Reduction module evaluates outcomes in reduction mammaplasty. However, there are currently no published normative scores, limiting the interpretation of BREAST-Q data. METHODS: The BREAST-Q Reduction module was administered via the Army of Women, an online community of women (with and without breast cancer) engaged in breast-cancer related research. Normative data were generated from women aged 18 years and older, without a history of breast cancer or breast surgery...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28333359/cryolipolysis-for-nonsurgical-reduction-of-fat-in-the-lateral-chest-wall-post-mastectomy
#8
Jennifer L Harrington, Peter J Capizzi
Background: Many patients that have undergone mastectomy surgery are left with residual lateral fat under the arm. While the fat may be associated with pain and cause undesirable bulges in clothing and skin irritation, most post-mastectomy patients are not interested in additional surgery. Objectives: Cryolipolysis is a nonsurgical procedure for fat reduction. The procedure is typically performed for aesthetic improvement in the abdomen, thighs, and flanks, but cryolipolysis was explored in this study for reconstructive purposes...
June 1, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28333211/glutathione-affects-the-transport-activity-of-rhizobium-leguminosarum-3841-and-is-essential-for-efficient-nodulation
#9
Guojun Cheng, Ramakrishnan Karunakaran, Alison K East, Olaya Munoz-Azcarate, Philip S Poole
As glutathione (GSH) plays an essential role in growth and symbiotic capacity of rhizobia, a glutathione synthetase (gshB) mutant of Rhizobium leguminosarum biovar viciae 3841 (Rlv3841) was characterised. It fails to efficiently utilise various compounds as a sole carbon source, including glucose, succinate, glutamine and histidine, and shows 60-69% reduction in uptake rates of glucose, succinate and the non-metabolisable substrate α-amino isobutyric acid (AIB). The defect in glucose uptake can be overcome by addition of exogenous GSH, indicating GSH, but not its bacterial synthesis, is required for efficient transport...
February 23, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28329675/trimethylation-and-acetylation-of-%C3%AE-catenin-at-lysine-49-represent-key-elements-in-esc-pluripotency
#10
Katrin Hoffmeyer, Dirk Junghans, Benoit Kanzler, Rolf Kemler
Wnt/β-catenin signaling is required for embryonic stem cell (ESC) pluripotency by inducing mesodermal differentiation and inhibiting neuronal differentiation; however, how β-catenin counter-regulates these differentiation pathways is unknown. Here, we show that lysine 49 (K49) of β-catenin is trimethylated (β-catMe3) by Ezh2 or acetylated (β-catAc) by Cbp. Significantly, β-catMe3 acts as a transcriptional co-repressor of the neuronal differentiation genes sox1 and sox3, whereas β-catAc acts as a transcriptional co-activator of the key mesodermal differentiation gene t-brachyury (t-bra)...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28195894/breast-reconstruction-using-pedicled-latissimus-dorsi-myocutaneous-flaps-in-asian-patients-with-small-breasts
#11
I-Han Chiang, Chih-Hsin Wang, Yuan-Sheng Tzeng, Hao-Yu Chiao, Chang-Yi Chou, Chi-Yu Wang, Tim-Mo Chen, Shyi-Gen Chen
BACKGROUND: The use of implants is still the most common procedure for breast reconstruction because they are easy, less painful than tissue transplants, and do not need a donor site. However, it is challenging to find a suitable implant for patients with small breasts, and some women fear foreign bodies and possible complications or reoperations. Autologous breast reconstruction using the pedicled latissimus dorsi (LD) myocutaneous flap without an implant provides a good option for Asian women with small breasts...
March 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28156595/scrambler-therapy-for-the-treatment-of-chronic-post-mastectomy-pain-cpmp-in-breast-cancer-survivors
#12
Charles L Loprinzi, Andrea L Cheville
253 Background: cPMP is chronic pain in the front thorax, axilla, and/or upper half of the arm beginning after mastectomy or lumpectomy persisting > 3 months after treatment and presents with pain, allodynia and disability. cPMP occurs in half of all patients with breast cancer and is severe in 13% (Gartner R JAMA 2009). Epidural bupivacaine, memantine, gabapentin or venlafaxine may help prevent cPMP, but there are no established proven treatments. (Shen J, Up to Date 2016) Scrambler therapy (ST) is an FDA-cleared treatment for neuropathic pain supported by multiple trials in over 800 patients with cancer pain, chemotherapy induced neuropathic pain, back pain, and post herpetic neuropathy (PHN)...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28145166/new-bra-promotes-wound-healing-and-helps-prevent-infection-after-surgery
#13
(no author information available yet)
Specialist nurses have created a new bra to promote wound healing in women who have had heart surgery.
February 1, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28128084/boils-at-frictional-locations-in-a-patient-with-hidradenitis-suppurativa
#14
Jurr Boer, Dalibor Mihajlovic
Dear Editor, Hidradenitis suppurativa (HS) is a chronic, recurrent, inflammatory skin disease. The primary clinical presentation are painful inflamed nodules or boils of inverse areas, i.e. the axillary and anogenito-crural regions, but it can also involve the infra- and inter-mammary regions (1,2). The etiology of HS is not clearly defined. Obesity, smoking, and genetic factors are considered important risk factors. In addition, it has also been suggested that friction may contribute to the development of HS, especially in the obese, but this is based on highly anecdotal reports (3-5)...
December 2016: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28096110/bra-sizing-and-the-plastic-surgery-herd-effect-are-breast-augmentation-patients-getting-accurate-information
#15
Christopher R Costa, Kevin H Small, William P Adams
BACKGROUND: Bra sizing is a common method to preoperatively select implants for breast augmentation; however, no series has analyzed the accuracy of this modality postoperatively. Alternatively, previous investigations have validated the accuracy and utility of three-dimensional (3D) imaging for preoperative simulation in breast augmentation. OBJECTIVES: This investigation utilizes 3D analysis to determine if preoperative bra sizing provides equivocal information compared to surgical 3D simulation for patient education and planning prior to a breast augmentation...
January 17, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28048927/mo-fg-bra-05-dosimetric-and-radiobiological-validation-of-respiratory-gating-in-conventional-and-hypofractionated-radiotherapy-of-the-lung-effect-of-dose-dose-rate-gating-window-and-breathing-pattern
#16
L Cervino, D Soultan, N Pettersson, A Yock, M Cornell, J Aguilera, J Murphy, B Gill, S Advani, V Moiseenko
PURPOSE: to evaluate the dosimetric and radiobiological consequences from having different gating windows, dose rates, and breathing patterns in gated VMAT lung radiotherapy. METHODS: A novel 3D-printed moving phantom with central high and peripheral low tracer uptake regions was 4D FDG-PET/CT-scanned using ideal, patient-specific regular, and irregular breathing patterns. A scan of the stationary phantom was obtained as a reference. Target volumes corresponding to different uptake regions were delineated...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048913/mo-de-bra-02-simac-a-simulation-tool-for-teaching-linear-accelerator-physics
#17
M Carlone, N Harnett, W Harris, B Norrlinger, M MacPherson, M Lamey, R Anderson, M Oldham
PURPOSE: The first goal of this work is to develop software that can simulate the physics of linear accelerators (linac). The second goal is to show that this simulation tool is effective in teaching linac physics to medical physicists and linac service engineers. METHODS: Linacs were modeled using analytical expressions that can correctly describe the physical response of a linac to parameter changes in real time. These expressions were programmed with a graphical user interface in order to produce an environment similar to that of linac service mode...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048904/su-g-bra-02-development-of-a-learning-based-block-matching-algorithm-for-ultrasound-tracking-in-radiotherapy
#18
A Shepard, B Bednarz
PURPOSE: To develop an ultrasound learning-based tracking algorithm with the potential to provide real-time motion traces of anatomy-based fiducials that may aid in the effective delivery of external beam radiation. METHODS: The algorithm was developed in Matlab R2015a and consists of two main stages: reference frame selection, and localized block matching. Immediately following frame acquisition, a normalized cross-correlation (NCC) similarity metric is used to determine a reference frame most similar to the current frame from a series of training set images that were acquired during a pretreatment scan...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048872/we-fg-bra-10-radiodosimetry-of-a-novel-alpha-particle-therapy-targeted-to-uveal-melanoma-absorbed-dose-to-organs-in-mice
#19
Christopher J Tichacek, Narges K Tafreshi, Mikalai M Budzevich, Epifanio Ruiz, Thaddeus J Wadas, Mark L McLaughlin, Eduardo G Moros, David L Morse
PURPOSE: The melanocortin-1 receptor (MC1R) is expressed in 94% of uveal melanomas and is described as an ideal target for this untreatable disease. MC1RL is a high affinity MC1R specific peptidomimetic ligand that can serve as a scaffold for therapeutic conjugates such as alpha particle emitting isotopes. The purpose of this study was to assess normal tissue distribution and risk as a result of using the DOTA chelator conjugated to MC1RL to deliver (225) Ac: MC1RL-DOTA-(225) Ac. METHODS: 17 non-tumor bearing BALB/c mice were intravenously injected with the novel MC1RL-DOTA-(225) Ac radiopharmaceutical with an average initial administered activity of 2...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048867/mo-ab-bra-10-super-high-temporal-resolution-cardiac-ct-imaging-using-smart-recon
#20
Y Li, X Cao, Z Xing, X Sun, J Hsieh, G Chen
PURPOSE: Coronary CT angiography is a challenging task currently limited by the achievable temporal resolution of modern MDCT scanners. In this work, a highly innovative method has been developed and validated to improve temporal resolution of the MDCT by a factor of four with the newly developed SMART-RECON method to enable high quality coronary CTA exams. The primary purpose of this paper is to investigate the relationships between: (1) SMART-RECON and the motion pattern; (2) SMART-RECON and the average speed of moving vessels; (3) SMART-RECON and the position and direction of moving vessels...
June 2016: Medical Physics
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