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Diabetic wounds

Michael Moore, Nanci Dobson, Wes Cetnarowski
INTRODUCTION: The application of 0.1% polyhexanide-betaine gel and irrigating solution was used in place of saline during standard of care wound treatment for 70 chronic wounds of various etiologies. Our goal in this study sample was to investigate the number of days to wound closure, change in absolute wound size, and antimicrobial initiation from baseline visit, following application of polyhexanide-betaine in standard of care wound treatment. Results suggested a benefit of Prontosan® (Polyhexanide-betaine, B...
October 26, 2016: Surgical Technology International
Karen E Burtt, Alexis D Rounds, Hyuma A Leland, Ram K Alluri, Ketan M Patel, Joseph N Carey
Infections in the traumatized lower extremity are a significant source of morbidity and expense. Outcomes after vascularized soft tissue reconstruction were analyzed to determine impact on infection rates. A retrospective review of a prospectively maintained database was performed, including 114 trauma patients requiring soft tissue reconstruction of lower extremity injuries at an urban Level I tertiary referral center from 2008 to 2015. Patient characteristics and perioperative outcomes were analyzed. After trauma, 39 (34...
October 2016: American Surgeon
Leonid E Fridlyand, Natalia A Tamarina, Andrew V Schally, Louis H Philipson
Growth hormone-releasing hormone (GHRH) is produced by the hypothalamus and stimulates growth hormone synthesis and release in the anterior pituitary gland. In addition, GHRH is an important regulator of cellular functions in many cells and organs. Expression of GHRH G-Protein Coupled Receptor (GHRHR) has been demonstrated in different peripheral tissues and cell types, including pancreatic islets. Among the peripheral activities, recent studies demonstrate a novel ability of GHRH analogs to increase and preserve insulin secretion by beta-cells in isolated pancreatic islets, which makes them potentially useful for diabetes treatment...
2016: Frontiers in Endocrinology
E J Kyriopoulos, A Kyriakopoulos, A Karonidis, A Gravvanis, I Gamatsi, C Tsironis, D Tsoutsos
Mucor fungus infection is a rare opportunistic infection, rapidly progressive and often fatal in immunocompromised patients, or in patients with chronic debilitating diseases. We report six cases of trauma patients with mucormycosis. Three had severe thermal burns, one of them with a medical history of diabetes mellitus. The other three patients suffered from severe soft tissue injuries caused by traffic accidents. In all cases there had been spontaneous exposure and contact of the wounds with soil. During hospitalization, fungi cultures and/or biopsies of all wounds were performed and all resulted positive...
December 31, 2015: Annals of Burns and Fire Disasters
Matthew Ward
: Aim To understand the frequency, urgency, and rationale of emergency department and urgent care (ED/UC) use by diabetic patients of a Family Medicine Health Team (FHT). METHODS: A retrospective, observational study with comparison control groups was conducted from 1 January 2013 to 31 December 2014. A total of 693 diabetic patients were compared with two, age-standardized non-diabetic groups: one with a higher disease burden based on International Classification of Diseases 9 diagnoses and the other from a randomized patient pool...
October 25, 2016: Primary Health Care Research & Development
Andrea Cruzat, Yureeda Qazi, Pedram Hamrah
In vivo confocal microscopy (IVCM) is becoming an indispensable tool for studying corneal physiology and disease. Enabling the dissection of corneal architecture at a cellular level, this technique offers fast and noninvasive in vivo imaging of the cornea with images comparable to that of ex vivo histochemical techniques. Corneal nerves bear substantial relevance to clinicians and scientists alike, given their pivotal roles in regulation of corneal sensation, maintenance of epithelial integrity, and proliferation and promotion of wound healing...
October 19, 2016: Ocular Surface
A N Severyukhina, N V Petrova, A M Yashchenok, D N Bratashov, K Smuda, I A Mamonova, N A Yurasov, D M Puchinyan, R Georgieva, H Bäumler, A Lapanje, D A Gorin
Increasing antimicrobial resistance requires the development of novel materials and approaches for treatment of various infections. Utilization of photodynamic therapy represents an advanced alternative to antibiotics and metal-based agents. Here, we report the fabrication of electrospun material that possesses benefits of both topical antimicrobial and photodynamic therapies. This material combines chitosan, as a biocompatible polymer, and a second generation photosensitizer. The incorporation of photosensitizer doesn't affect the material morphology and its nearly uniform distribution in fibers structure was observed by confocal Raman microscopy...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
Rongfeng Shi, Yinpeng Jin, Chuanwu Cao, Shilong Han, Xiaowen Shao, Lingyu Meng, Jie Cheng, Meiling Zhang, Jiayi Zheng, Jun Xu, Maoquan Li
BACKGROUND: Diabetic foot ulcer (DFU) is an intractable diabetic complication. Patients suffering from diabetes mellitus (DM) frequently present with infected DFUs. In this study, a wound healing model on diabetic rat foot was established to mimic the pathophysiology of clinical patients who suffer from DFUs. Our study aimed to explore the localization of human adipose-derived stem cells (hADSCs) and the role of these cells in the repair of foot ulcerated tissue in diabetic rats, and thus to estimate the possibilities of adipose-derived stem cells for diabetic wound therapy...
October 22, 2016: Stem Cell Research & Therapy
Finja Jockenhöfer, Katharina Herberger, Jörg Schaller, Katja Christina Hohaus, Maren Stoffels-Weindorf, Philipp Al Ghazal, Matthias Augustin, Joachim Dissemond
INTRODUCTION: Pyoderma gangrenosum (PG) is a rare neutrophilic, ulcerative skin disease of largely unknown pathophysiology. MATERIAL AND METHODS: In this study, potentially relevant cofactors and comorbidities in patients with PG from three dermatological wound care centers in Germany were evaluated. RESULTS: Of the 121 patients assessed, women (66.9 %) were more frequently affected than men. Patient age ranged from 18 to 96 years (mean 59...
October 2016: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
Ho Chang, Yao-Jen Yeh, Rahnfong Lee, Jenq-Huey Shyu
The study developed two models of an innovative high-speed lancing device and safety lancet, where the specially designed structure causes high-speed motion of the lancet, resulting in only one puncture of the skin. The two experimental models and other lancing devices sold on market were compared in order to: (1) measure the forces of lancets piercing animal skin by a load cell; (2) observe the wound areas caused by lancing devices under a microscope. The experimental results showed that, after using this innovative high-speed lancing device, the maximum force of a lancet piercing skin is only 1/3 of the force of conventional lancing devices, and the duration of the former under the skin is 1/6 of the latter...
October 20, 2016: Australasian Physical & Engineering Sciences in Medicine
Shih-Lun Lo, Yu-Hsiu Yen, Pi-Jung Lee, Charles Chih-Ho Liu, Chi-Ming Pu
PURPOSE: The present study aimed to analyze multiple variables and to determine the factors influencing postoperative complications in reconstructive microsurgeries for head and neck cancer. MATERIALS AND METHODS: This was a retrospective review of the medical records of patients with head and neck cancer who underwent free flap reconstruction after ablation surgery at the Cathay General Hospital (Taipei, Taiwan) from January 2010 to December 2014. Clinical and surgical procedure-related factors were retrieved from a database and analyzed...
September 23, 2016: Journal of Oral and Maxillofacial Surgery
H Huang, W Qiu, M Zhu, Y Zhang, W H Cui, W Xing, X Y Li, T C An, M J Chen, W Guo, X Xu
Objective: To explore the changes in the expressions of key proteins of the protein kinase B/mammalian target of rapamycin (Akt/mTOR) signaling pathway in skin tissue and wound tissue of diabetic rats, and to elucidate the associated mechanisms. Methods: Seventy-eight SD rats aged from 7 to 8 weeks were divided into diabetes group and non-diabetes group according to the random number table, with 39 rats in each group. Rats in diabetes group were intraperitoneally injected with 20 mg/mL streptozotocin fluid in the dose of 65 mg/kg (dissolved in citrate buffer solution) for once to establish the model of diabetes mellitus...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
C M Han
The wound healing includes non-healing and overhealing of the wounds. The results of wound healing are well known by people such as non-healing of the diabetic ulcer or hypertrophic scar after deep burn. In this issue, three papers involve in wound healing, one about autologous adipose-derived mesenchymal stem cells injected into wound or scar of rabbit ear, one about severe hypoxia and hypoalbuminemia inducing human hypertrophic scar derived fibroblast apoptosis in vitro, and another about the dysfunction of protein kinase B/mammalian target of rapamycin signaling pathway contributing to the pathophysiological characteristics of diabetic skin and non-healing wound...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
Aksone Nouvong, Aaron M Ambrus, Ellen R Zhang, Lucas Hultman, Hilary Ann Coller
Chronic wounds are a common and debilitating complication for the diabetic population. It is challenging to study the development of chronic wounds in hu-man patients; by the time it is clear that a wound is chronic, the early phases of wound healing have passed and can no longer be studied. Because of this limita-tion, mouse models have been employed to better understand the early phases of chronic wound formation. In the past few years, a series of reports have high-lighted the importance of reactive oxygen species and bacterial biofilms in the development of chronic wounds in diabetics...
October 7, 2016: Physiological Genomics
Hosana G Rodrigues, Marco A R Vinolo, Fabio T Sato, Juliana Magdalon, Carolina M C Kuhl, Ana S Yamagata, Ana Flávia M Pessoa, Gabriella Malheiros, Marinilce F Dos Santos, Camila Lima, Sandra H Farsky, Niels O S Camara, Maria R Williner, Claudio A Bernal, Philip C Calder, Rui Curi
INTRODUCTION: Impaired wound healing has been widely reported in diabetes. Linoleic acid (LA) accelerates the skin wound healing process in non-diabetic rats. However, LA has not been tested in diabetic animals. OBJECTIVES: We investigated whether oral administration of pure LA improves wound healing in streptozotocin-induced diabetic rats. METHODS: Dorsal wounds were induced in streptozotocin-induced type-1 diabetic rats treated or not with LA (0...
2016: PloS One
Ahmed S Alzahrani, Hassan H Abed
Diabetes mellitus (DM) is considered one of the major chronic diseases in the world. Long-term hyperglycemia considerably affects the body tissues, and consequently, can lead to morbidity and mortality. Moreover, many oral complications have been observed with DM but little consideration in relation to the placement of dental implants has been investigated. Dental research has analyzed the relation of dental implants and bone osseointegration in diabetic patients. Theoretically, an impaired immune system and delayed wound healing of these patients might decrease the success rate of implant placement; however, with noticeable advances in evidence-based dentistry and statistically significant results, successful implant treatment could be achieved significantly in well-controlled diabetic patients...
November 2016: Saudi Medical Journal
Hiren N Hirapara, Vishal M Ghori, Ashish P Anovadiya, Chandrabhanu R Tripathi
AIM: To evaluate wound healing activity of cow urine ark in diabetic rats. MATERIALS AND METHODS: Streptozotocin-induced diabetic Wistar albino rats were randomly divided into six groups (n = 6). Three groups - diabetic control, active control (glibenclamide), and treatment (cow urine ark) were operated for excision wounds (EWs). Rats in these groups received distilled water 1 ml/day, glibenclamide 0.5 mg/kg body weight/day, and cow urine ark 5.5 ml/kg body weight/day orally till complete healing of the EWs...
September 2016: Journal of Intercultural Ethnopharmacology
Ross M Clark, Brittany Coffman, Paul G McGuire, Thomas R Howdieshell
BACKGROUND: Murine models of diabetes and obesity have provided insight into the pathogenesis of impaired epithelialization of excisional skin wounds. However, knowledge of postischemic myocutaneous revascularization in these models is limited. MATERIALS AND METHODS: A myocutaneous flap was created on the dorsum of wild type (C57BL/6), genetically obese and diabetic (ob/ob, db/db), complementary heterozygous (ob(+)/ob(-), db(+)/db(-)), and diet-induced obese (DIO) mice (n=48 total; five operative mice per strain and three unoperated mice per strain as controls)...
2016: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
Aaron Pinkhasov, Deepan Singh, Benjamin Kashan, Julie DiGregorio, Theresa M Criscitelli, Scott Gorenstein, Harold Brem
GENERAL PURPOSE: To provide information about the effect of psychiatric comorbidities on wound healing in patients with diabetes mellitus (DM). TARGET AUDIENCE: This continuing education activity is intended for physicians, physician assistants, nurse practitioners, and nurses with an interest in skin and wound care. LEARNING OBJECTIVES/OUTCOMES: After participating in this educational activity, the participant should be better able to:1. Discuss the connection between DM and the development of psychiatric comorbidities...
November 2016: Advances in Skin & Wound Care
Dong-Lin Xia, Yan-Pei Chen, Yu-Fei Wang, Xiao-Dong Li, Ning Bao, Hong He, Hai-Ying Gu
OBJECTIVES: Diabetic patients are at increased risk of severe skin infections. Covering the wound as early as possible can prevent infection and shorten the course of treatment. In this study, the authors fabricated a waterproof and breathable composite liquid dressing (CLD) that formed a barrier to bacteria and shortened healing time of diabetic rat skin ulcers. METHODS: The CLD was prepared in a formulation that, on evaporation of the liquid carrier, acts as a waterproof, breathable coating on injured skin...
November 2016: Advances in Skin & Wound Care
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