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https://www.readbyqxmd.com/read/29684678/hydrogen-bonds-autonomously-powered-gelatin-methacrylate-hydrogels-with-super-elasticity-self-heal-and-underwater-self-adhesion-for-sutureless-skin-and-stomach-surgery-and-e-skin
#1
Bingcheng Liu, Ying Wang, Yong Miao, Xinyu Zhang, Zhexiang Fan, Gurankit Singh, Xingying Zhang, Kaige Xu, Bingyun Li, Zhiqi Hu, Malcolm Xing
Interface-interaction induced self-healing and self-adhesive are a gem-like attribute inspired by our Mother Nature. Biocompatible gelatin methacrylate (GelMA) hydrogels exhibit tunable mechanical properties which are favorable in biomedical applications. However, it is difficult to integrate high stiffness, super-elasticity, large deformability and self-healing property together. Here, we report a GelMA-based double-network (DN) hydrogel with above properties by utilizing tannic acid (TA) as a multi-functional H-bond provider...
April 15, 2018: Biomaterials
https://www.readbyqxmd.com/read/29683288/lentigo-maligna-diagnosis-and-treatment
#2
Erika V De Luca, Francesca Perino, Alessandro Di Stefani, Valeria Coco, Barbara Fossati, Ketty Peris
Lentigo maligna (LM) is an in situ subtype of melanoma, clinically presenting as a pigmented, asymmetric macule that originates mostly on the head and neck and spreads slowly. The diagnosis may be challenging both for clinicians and pathologists. Dermatoscopy and reflectance confocal microscopy represent a useful tool in the differentiation of LM from other pigmented lesions, such as pigmented actinic keratosis, solar lentigines, seborrheic keratosis and lichen planus-like keratosis. Moreover, those non-invasive diagnostic technique may be crucial in the selection of optimal biopsy sites in equivocal lesions, in pre-surgical mapping and in evaluating and monitoring response to non-surgical treatments...
April 19, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29683226/low-incidence-of-heparin-induced-skin-lesions-in-orthopedic-surgery-patients-with-low-molecular-weight-heparins
#3
M Schindewolf, M Paulik, H Kroll, R Kaufmann, M Wolter, W-H Boehncke, E Lindhoff-Last, A Recke, R J Ludwig
BACKGROUND: Heparins are widely prescribed for prevention and therapy of arterial and venous thromboembolic diseases. Heparin-induced skin lesions are the most frequent adverse effects of subcutaneous heparin treatment in non-surgical patients (7.5-39.8%); no data exist on surgical patients. Commonly, they are due to a delayed-type hypersensitivity reaction (DTH), but may also be a manifestation of life-threatening heparin-induced thrombocytopenia (HIT). Lesions of both entities resemble initially...
April 23, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29683088/increase-in-skin-perfusion-pressure-predicts-amputation-free-survival-after-lower-extremity-bypass-surgery-for-critical-limb-ischemia
#4
Kota Yamamoto, Takuya Kawahara, Atsushi Akai, Toshihiko Isaji, Daisuke Akagi, Takuya Miyahara, Katsuyuki Hoshina
The objective of this study was to determine how postoperative skin perfusion pressure (SPP) as a measure of blood flow after revascularization affects limb prognosis in patients with critical limb ischemia (CLI). We retrospectively reviewed 223 consecutive bypass surgery cases performed in 192 patients with CLI during a 10-year period. SPP was measured 1-2 weeks before and after the procedure. An SPP of 40 mmHg was set as the cut-off value for revascularization. Patients were grouped according to their postoperative SPPs, and amputation-free survival (AFS) was analyzed...
April 1, 2018: Vascular Medicine
https://www.readbyqxmd.com/read/29682611/unilateral-renal-tumor-cryoablation-and-contralateral-radical-nephrectomy-of-bilateral-renal-tumors-by-transumbilical-3d-multichannel-laparoendoscopic-single-site-surgery
#5
Guopeng Yu, Ke Zhang, Wenzhi Li, Long Li, Yanliang Zhao, Yiwei Wang, Mingxi Xu, Jun Da, Guoqin Dong, Zhong Wang, Bin Xu
Background: Unilateral renal tumor cryoablation and contralateral radical nephrectomy of bilateral renal tumors were performed by transumbilical three-dimensional (3D) multichannel laparoendoscopic single-site (LESS) surgery, in an attempt to verify the feasibility and safety of the procedure, sum up the operational experience, and evaluate the surgical outcome. Case Presentation: This was a 47-year-old female patient with a body mass index of 27.34 kg/m2 without backache, low back pain, hematuria, urinary urgency, frequent urination, dysuria, and other symptoms...
2018: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29682596/spared-nerve-injury-model-of-neuropathic-pain-in-mice
#6
Joseph Cichon, Linlin Sun, Guang Yang
Experimental models of peripheral nerve injury have been developed to study mechanisms of neuropathic pain in living animals. The spared nerve injury (SNI) model in rodents is a partial denervation model, in which the common peroneal and tibial nerves are injured, producing consistent and reproducible tactile hypersensitivity in the skin territory of the spared, intact sural nerve. SNI-operated mice require less force applied to the affected limb to elicit a withdrawal behavior as compared to sham mice. This effect is observed as early as 2 days after surgery and lasts for at least 1 month...
March 20, 2018: Bio-protocol
https://www.readbyqxmd.com/read/29682259/effects-of-the-application-of-high-pressure-oxygen-on-the-treatment-of-periodontal-disease-in-diabetic-patients
#7
S Sabatini, M Ricci, V Candotto, D Lauritano, G M Nardi
Purpose: In this study we wanted to observe the improvement in the healing of periodontal tissues in a group of diabetic patients treated with traditional methods compared to another group treated with the addition of oxygen.The potential of oxygen has long been known in the field of plastic surgery, where it is used to treat burns and skin lesions. Materials and methods: This study consists in a split mouth study which involved 30 patients. We carefully treated them with periodontal therapy using manual and mechanical instrumentation...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29682122/surgical-treatment-of-a-left-axillary-arterial-aneurysm-with-marfan-syndrome-by-combining-two-skin-incisions
#8
Hiroshi Sato, Syuichi Naraoka
An axillary arterial aneurysm is a rare disorder, with few surgical cases reported to date. Here we report the case of a left axillary arterial aneurysm associated with Marfan syndrome. A 44-year-old female with Marfan syndrome presented with numbness of the left upper limb and a pulsatile mass on the left chest. A computed tomography scan revealed a highly enlarged and tortuous left axillary arterial aneurysm. We performed a graft replacement and resection of the aneurysm with two skin incisions. After the surgery, the blood flow to the patient's left upper limb was confirmed, and the neurological symptoms improved significantly...
March 25, 2018: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29681700/penile-dislocation-with-inversion-a-rare-complication-of-blunt-pelvic-injury
#9
Ravindra Sahadev, Vinay Jadhav, Narendra Babu Munianjanappa, Gowri Shankar
Penile injuries in children are usually uncommon and are predominantly associated with pelvic trauma or as postcircumcision injuries. The authors present a rare case of penile dislocation with penile inversion in a 5-year-old child occurring due to blunt pelvic injury. The child presented 3 months after pelvic injury with a suprapubic catheter for urinary diversion and absent penis with only penile skin visible. The presence of dislocated penile body was detected on magnetic resonance imaging, which was subsequently confirmed intraoperatively...
April 2018: Journal of Indian Association of Pediatric Surgeons
https://www.readbyqxmd.com/read/29681629/incidence-of-complications-in-dermatological-surgery-of-melanoma-and-non-melanoma-skin-cancer-in-patients-with-multiple-comorbidity-and-or-antiplatelet-anticoagulants-five-year-experience-in-our-hospital
#10
Lilia Arguello-Guerra, Estefanía Vargas-Chandomid, Jose Manuel Díaz-González, Silvia Méndez-Flores, Ana Ruelas-Villavicencio, Judith Domínguez-Cherit
Introduction: Surgery is performed more frequently now at days, due to the increasing incidence of melanoma and no-melanoma skin cancer. There are different opinions among dermatologic surgeons between to continue or discontinue antithrombotic therapy prior to the procedure, which increases the risk of thromboembolic events. Prophylaxis with oral antibiotics in the postsurgical period is controversial. Objective: To report the safety of surgery without suspending antithrombotic therapy and without oral antibiotic prophylaxis in dermatology surgery of patients with multiple comorbidities and polypharmacy...
2018: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/29681595/remission-of-palmoplantar-pustulosis-after-on-pump-coronary-artery-bypass-grafting-in-a-patient-with-titanium-allergy
#11
Takanori Kono, Takeshi Oda, Keiichi Akaiwa, Katsuhiko Nakamura, Kenya Sasaoka, Hiroyuki Tanaka
Metal allergy is an uncommon problem during surgery. Among them, titanium allergy is said to be rare, but can lead to serious complications, such as palmoplantar pustulosis (PPP). A 69-year-old woman was admitted to our hospital with a chief complaint of chest pain. Coronary angiography showed severe coronary artery disease that required coronary artery bypass grafting (CABG). The patient had a history of orthopedic surgery for left distal radius fracture 2 years previously, which resulted in inflammation on the left arm and PPP...
April 20, 2018: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29679123/-wide-awake-hand-surgery-based-on-application-examples
#12
P Kaiser, M Keller, J Dörler, G Schmidle
OBJECTIVE: Anesthesiologic method with low bleeding level, risk level, and complication rate for surgical procedures on the hand without a tourniquet on an unsedated patient with the possibility for functional testing during surgery. INDICATIONS: Surgical procedures of the hand can be carried out using the wide awake technique depending on the patient's suitability and preference considering individual risk factors. CONTRAINDICATIONS: Absolute contraindications are allergies to the local anesthetic or its components...
April 20, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29678414/breast-reconstruction-after-mastectomy
#13
Thierry Tondu, Wiebren A A Tjalma, Filip E F Thiessen
Reconstructive surgery aims to improve quality of life by recreating a natural-looking breast that is warm to the touch. To obtain symmetry and body contour alignment, restoration of volume within the skin envelope is mandatory. The chosen reconstruction technique depends on the characteristics of the diseased breast, the shape and volume of the contralateral breast, and the technical skills of the surgical team. Timing, type and different possibilities of breast reconstruction are discussed.
April 14, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29678274/preoperative-mri-evaluation-of-lesion-nipple-distance-in-breast-cancer-patients-thresholds-for-predicting-occult-nipple-areola-complex-involvement
#14
G Mariscotti, M Durando, N Houssami, C M Berzovini, F Esposito, M Fasciano, P P Campanino, D Bosco, R Bussone, A Ala, I Castellano, A Sapino, L Bergamasco, P Fonio, G Gandini
AIM: To identify clinically occult nipple-areola complex (NAC) involvement using preoperative magnetic resonance imaging (MRI), to inform selection of patients eligible for nipple-sparing mastectomy (NSM) or skin-sparing mastectomy (SSM). MATERIAL AND METHODS: This was a retrospective study of 195 patients, who had preoperative breast MRI (February 2011 to January 2017) before undergoing surgical treatments (NSM or SSM) for newly diagnosed breast cancer. Tumour features at MRI (mass or non-mass lesion, diameter, lesion-NAC distance [LND]) and pathology (lesion diameter, histopathological type, receptor status) were recorded, as well as the type of surgery (NSM/SSM) and presence (NAC+) or absence (NAC-) of tumour at intraoperative evaluation of retroareolar tissue...
April 17, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29675345/comparison-of-endoscopic-and-external-dacryocystorhinostomy-for-treatment-of-primary-acquired-nasolacrimal-duct-obstruction
#15
Pei-Yuan Su
PURPOSE: The purpose of this study is to compare the success rates of endoscopic endonasal dacryocystorhinostomy (EN-DCR) and external DCR (EX-DCR) for the treatment of primary acquired nasolacrimal duct obstruction (PANLDO). DESIGN: This was a retrospective, comparative, nonrandomized clinical study. METHODS: Reviewed medical records of PANLDO underwent DCR at Far-Eastern Memorial Hospital from May 2011 to June 2017. Data regarding the lacrimal passage system, comorbidities, surgical outcomes, and postoperative complications were analyzed...
January 2018: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/29675321/burn-injured-tissue-detection-for-debridement-surgery-through-the-combination-of-non-invasive-optical-imaging-techniques
#16
Juan Heredia-Juesas, Jeffrey E Thatcher, Yang Lu, John J Squiers, Darlene King, Wensheng Fan, J Michael DiMaio, Jose A Martinez-Lorenzo
The process of burn debridement is a challenging technique requiring significant skills to identify the regions that need excision and their appropriate excision depths. In order to assist surgeons, a machine learning tool is being developed to provide a quantitative assessment of burn-injured tissue. This paper presents three non-invasive optical imaging techniques capable of distinguishing four kinds of tissue-healthy skin, viable wound bed, shallow burn, and deep burn-during serial burn debridement in a porcine model...
April 1, 2018: Biomedical Optics Express
https://www.readbyqxmd.com/read/29674370/effect-of-a-single-prophylactic-preoperative-oral-antibiotic-dose-on-surgical-site-infection-following-complex-dermatological-procedures-on-the-nose-and-ear-a-prospective-randomised-controlled-double-blinded-trial
#17
Helena Rosengren, Clare F Heal, Petra G Buttner
OBJECTIVES: There is limited published research studying the effect of antibiotic prophylaxis on surgical site infection (SSI) in dermatological surgery, and there is no consensus for its use in higher-risk cases. The objective of this study was to determine the effectiveness of a single oral preoperative 2 g dose of cephalexin in preventing SSI following flap and graft dermatological closures on the nose and ear. DESIGN: Prospective double-blinded, randomised, placebo-controlled trial testing for difference in infection rates...
April 19, 2018: BMJ Open
https://www.readbyqxmd.com/read/29674005/breast-cancer-cutaneous-metastases-mimicking-papilloma-cutis-lymphostatica-biopsy-to-avoid-pitfalls
#18
Giuseppe Giudice, Michelangelo Vestita, Fabio Robusto, Paolo Annoscia, Francesco Ciancio, Eleonora Nacchiero
INTRODUCTION: Secondary lymphedema is the most frequent long-term complication of axillary lymphadenectomy. It can result in complication as erysipelas, warts, Papilloma Cutis Lymphostatica (PCL), or angiosarcomas. Moreover, in women affected by breast cancer an accurate differential diagnosis among these conditions or complication related to radiation dermatitis or cutaneous metastasis is essential. PRESENTATION OF CASE: We report the case of a 60-year-old postmenopausal Caucasian woman affected by secondary lymphedema following complete mastectomy for breast cancer...
April 10, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29673671/a-case-control-study-to-compare-the-outcome-of-women-treated-by-two-minimally-invasive-procedures-ultraminilaparotomy-myomectomy-and-laparoscopic-myomectomy
#19
Kuo-Chang Wen, Pi-Lin Sung, Wen-Hsun Chang, Huann-Cheng Horng, Yi-Jen Chen, Wen-Ling Lee, Peng-Hui Wang
OBJECTIVE: Ultraminilaparotomy myomectomy (UMLT-M with less 4 cm transverse skin incision) and conventional 3-port wound laparoscopic myomectomy (LM) approaches were proposed as alternative minimally invasive procedures in the management of women with symptomatic uterine myomas but few studies have compared the outcomes of both procedures. MATERIALS AND METHODS: Between January 2002 and December 2003, 71 patients undergoing UMLT-M were compared with those 71 women undergoing LM...
April 2018: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29673408/long-term-scar-quality-after-hydrosurgical-versus-conventional-debridement-of-deep-dermal-burns-hycon-trial-study-protocol-for-a-randomized-controlled-trial
#20
Catherine M Legemate, Harold Goei, Esther Middelkoop, Irma M M H Oen, Tim H J Nijhuis, Kelly A A Kwa, Paul P M van Zuijlen, Gerard I J M Beerthuizen, Marianne K Nieuwenhuis, Margriet E van Baar, Cornelis H van der Vlies
BACKGROUND: Deep dermal burns require tangential excision of non-viable tissue and skin grafting to improve wound healing and burn-scar quality. Tangential excision is conventionally performed with a knife, but during the last decade hydrosurgery has become popular as a new tool for tangential excision. Hydrosurgery is generally thought to be a more precise and controlled manner of burn debridement leading to preservation of viable tissue and, therefore, better scar quality. Although scar quality is considered to be one of the most important outcomes in burn surgery today, no randomized controlled study has compared the effect of these two common treatment modalities with scar quality as a primary outcome...
April 19, 2018: Trials
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