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Diabetic wounds

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https://www.readbyqxmd.com/read/28346194/case-report-diabetic-foot-ulcer-infection-treated-with-topical-compounded-medications
#1
Kelechi E Agbi, Maria Carvalho, Ha Phan, Cristiane Tuma
An adult diabetic male with three toes amputated on his right foot presented with an ulcer infection on his left foot, unresponsive to conventional antifungal oral medication for over two months. The ulcerated foot wound had a large impairment on the patient's quality of life, as determined by the Wound-QoL questionnaire. The compounding pharmacist recommended and the physician prescribed two topical compounded medicines, which were applied twice a day, free of charge at the compounding pharmacy. The foot ulcer infection was completely resolved following 13 days of treatment, with no longer any impairment on the patient's quality of life...
January 2017: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28345832/metformin-inhibits-migration-and-invasion-of-cholangiocarcinoma-cells
#2
Son Xuan Trinh, Huyen Thi Bich Nguyen, Kween Saimuang, Virapong Prachayasittikul, Waraporn Chan On
Background: Metformin is an oral anti-diabetic agent that has been widely prescribed for treatment of type II diabetes. Anti-cancer properties of metformin have been revealed for numerous human malignancies including cholangiocarcinoma (CCA) with anti-proliferative effects in vitro. However, effects on CCA cell migration and invasion have not been fully investigated. The present study aimed to explore the inhibitory effects of metformin on motility, migration and invasion of the CCA cell line HuCCT1, and examine molecular mechanisms underlying metformin effects...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28342007/the-effect-of-led-on-blood-microcirculation-during-chronic-wound-healing-in-diabetic-and-non-diabetic-patients-a-prospective-double-blind-randomized-study
#3
Igor Frangez, Ksenija Cankar, Helena Ban Frangez, Dragica Maja Smrke
Chronic wounds, especially in diabetic patients, represent a challenging health issue. Since standard treatment protocols often do not provide satisfactory results, additional treatment methods-like phototherapy using low-level light therapy-are being investigated. The aim of our study was to evaluate the effect of phototherapy with light-emitting diodes on chronic wound treatment in diabetic and non-diabetic patients. Since a sufficient blood supply is mandatory for wound healing, the evaluation of microcirculation in the healthy skin at a wound's edge was the main outcome measure...
March 25, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28341500/effect-of-2-chlorhexidine-gluconate-impregnated-cloth-on-surgical-site-infections-in-vascular-surgery
#4
John Bak, Jason Le, Toshio Takayama, Angela Gibson, Sara Zerbel, Nasia Safdar, Jon Matsumura
OBJECTIVE: Surgical site infections (SSI) are a significant burden to patients and healthcare systems. This retrospective study evaluates the observed rates of SSI after our institution implemented chlorhexidine gluconate-impregnated (CHG) cloth as a preoperative antiseptic preparation in elective vascular surgery. METHODS: Between March 2011 and January 2012, we reviewed 250 patients who underwent elective vascular surgery who used the CHG cloth preoperatively...
March 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28340602/clinical-application-prospect-of-umbilical-cord-derived-mesenchymal-stem-cells-on-clearance-of-advanced-glycation-end-products-through-autophagy-on-diabetic-wound
#5
REVIEW
Yanfu Han, Tianjun Sun, Ran Tao, Yanqing Han, Jing Liu
Nowadays, wound healing delay due to diabetes is considered to be closely related to the accumulation of advanced glycation end products (AGEs). Although mesenchymal stem cells (MSCs) exhibit positive effects on diabetic wound healing, related mechanisms are still not fully elucidated. It has been reported that MSCs can improve the activity of autophagy in injured tissues, thereby playing an important role in wound healing. The autophagy induced by MSCs may be beneficial to diabetic wound healing via removing AGEs, which provide new ideas for clinical treatment of diabetic wounds with the potential of broad application prospects...
March 24, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28339006/substance-p-accelerates-wound-healing-in-type-2-diabetic-mice-through-endothelial-progenitor-cell-mobilization-and-yes-associated-protein-activation
#6
Jihyun Um, Jinyeong Yu, Ki-Sook Park
Wound healing is delayed in diabetes due to a number of factors, including impaired angiogenesis and poor dermal healing. The present study demonstrated that subcutaneous administration of substance P (SP) accelerates wound healing in db/db type 2 diabetic mice (db/db mice). SP injection (10 nM/kg, subcutaneously) enhanced angiogenesis, induced the mobilization of endothelial progenitor cells (EPCs) and increased the number of EPC‑colony forming units (EPC‑CFUs) in the bone marrow of db/db mice. Immunohistochemistry was performed to check the effects of SP on the cellular proliferation and the subcellular localization of Yes-associated protein (YAP) in the wound dermis...
March 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338216/the-diversified-function-and-potential-therapy-of-ectopic-olfactory-receptors-in-non-olfactory-tissues
#7
REVIEW
Zhe Chen, Hong Zhao, Nian Fu, Linxi Chen
Olfactory receptors (ORs) are mainly distributed in olfactory neurons and play a key role in detecting volatile odorants, eventually resulting in the production of smell perception. Recently, it is also reported that ORs are expressed in non-olfactory tissues including heart, lung, sperm, skin and cancerous tissues. Interestingly, ectopic ORs are associated with the development of diseases in non-olfactory tissues. For instance, ectopic ORs initiate the hypoxic ventilatory responses and maintain the oxygen homeostasis of breathing in the carotid body when oxygen levels decline...
March 24, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28337463/skin-tissue-engineering-application-of-adipose-derived-stem-cells
#8
REVIEW
Agnes S Klar, Jakub Zimoch, Thomas Biedermann
Perception of the adipose tissue has changed dramatically over the last few decades. Identification of adipose-derived stem cells (ASCs) ultimately transformed paradigm of this tissue from a passive energy depot into a promising stem cell source with properties of self-renewal and multipotential differentiation. As compared to bone marrow-derived stem cells (BMSCs), ASCs are more easily accessible and their isolation yields higher amount of stem cells. Therefore, the ASCs are of high interest for stem cell-based therapies and skin tissue engineering...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337277/effect-and-mechanism-of-shed-on-ulcer-wound-healing-in-sprague-dawley-rat-models-with-diabetic-ulcer
#9
Yue Lv, Lihong Ge, Yuming Zhao
To evaluate the effect of stem cells from human exfoliated deciduous teeth (SHED) upon the ulcer wound healing and evaluate the mechanism underlying the role of SHED in Sprague-Dawley rat models with diabetic foot ulcer. The rats with diabetic ulcer were established and treated with SHED, mesenchymal stem cell (MSC) and PBS, respectively. The expression of vascular endothelial growth factor (VEGF), endothelial nitric oxide synthase (eNOS), matrix metalloproteinase-2 (MMP-2) and MMP9 at both protein and RNA levels was quantitatively measured...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28336821/hyperbaric-oxygen-therapy-reduces-renal-lactate-production
#10
Thomas S Nørlinger, Per Mose Nielsen, Haiyun Qi, Emmeli Mikkelsen, Kasper Hansen, Nikolaj H Schmidt, Michael Pedersen, Peter Agger, Fredrik Palm, Christoffer Laustsen
Intrarenal hypoxia is an acknowledged factor contributing to the development of diabetic nephropathy. Hyperbaric oxygen (HBO) therapy is a well-known adjuvant treatment for several medical conditions, such as decompression sickness, infections, and wound healing. The underlying metabolic response of HBO is largely unknown. In this study, we investigated the effect of HBO on the intrarenal metabolic alteration in diabetes. Hyperpolarized [1-(13)C]pyruvate MRI was performed to assess intrarenal energy metabolism in normoglycemic controls and short-term (2 weeks) streptozotocin-induced diabetic rats with and without HBO for five consecutive days...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28335317/cytotoxicity-of-silver-nanoparticle-and-chitin-nanofiber-sheet-composites-caused-by-oxidative-stress
#11
Jun Kinoda, Masayuki Ishihara, Hidemi Hattori, Shingo Nakamura, Koichi Fukuda, Hidetaka Yokoe
Size-controlled spherical silver nanoparticles (<10 nm) and chitin-nanofiber sheet composites (Ag NPs/CNFS) have previously been reported to have strong antimicrobial activity in vitro. Although Ag NPs/CNFS have strong antimicrobial activity, their cytotoxicity has not been investigated. This study was performed to evaluate the effects of Ag NPs/CNFS on cytotoxicity for fibroblasts in vitro and healing delay of wound repair in vivo, focused on oxidative stress. Cytotoxic activities of Ag NPs/CNFS were investigated using a fibroblast cell proliferation assay, nitric oxide/nitrogen dioxide (NO/NO₂) measurement of the cell lysates in vitro, inhibitory effects of Ag NPs/CNFS on healing-impaired wound repair using diabetic mice in vivo, 8-hydroxy-2'-deoxyguanosine (8-OHdG) immunohistochemical staining of the skin sections, and generation of carbonyl protein in the wound was performed to evaluate cytotoxicity with oxidative stress...
October 20, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334060/bone-repair-process-in-defects-of-diabetic-rats-filled-with-autogenous-bone-graft-and-covered-with-homogenous-bone-matrix-membrane-or-polytetrafluoroethylene-membrane
#12
Carlos Alberto Timóteo, Alessandra Marcondes Aranega, Elio Hitoshi Shinohara, Juliana Zorzi Coléte
PURPOSE: To analyze the process of repair of bone defects in diabetic rats filled with autogenous bone and covered with membranes of homogenous bone matrix or expanded polytetrafluoroethylene (ePTFE). MATERIALS AND METHODS: One hundred twenty male rats were divided into two groups: group 1 (IC), without systemic alterations (control), received an intravenous injection of citrate buffer at 0.01 M, pH 4.5; group 2 (IID) (diabetic) received an intravenous injection of streptozotocin (Sigma-Aldrich) dissolved in 0...
March 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28334027/metformin-inhibits-gastric-cancer-cells-metastatic-traits-through-suppression-of-epithelial-mesenchymal-transition-in-a-glucose-independent-manner
#13
Shiva Valaee, Mohammad Mehdi Yaghoobi, Mehdi Shamsara
Epithelial-mesenchymal transition (EMT), which is mainly recognized by upregulation of mesenchymal markers and movement of cells, is a critical stage occurred during embryo development and spreading cancerous cells. Metformin is an antidiabetic drug used in treatment of type 2 diabetes. EMT inhibitory effect of metformin has been studied in several cancers; however, it remains unknown in gastric cancer. The aim of the present study was to investigate the metformin effects on inhibition of EMT-related genes as well as migration and invasion of AGS gastric cancer cell line...
2017: PloS One
https://www.readbyqxmd.com/read/28332921/leaving-the-skin-incision-open-may-not-be-as-beneficial-as-we-have-been-taught
#14
Jack C He, Brenda M Zosa, David Schechtman, Brian Brajcich, Jonathan C Savakus, Amanda L Wojahn, Derek Z Wang, Jeffrey A Claridge
BACKGROUND: Currently, various methods of skin closures are used in contaminated and dirty abdominal wounds without solid, evidence-based guidance. This study investigates whether closure methods affect surgical site infection (SSI) and other incisional complications. We hypothesize that open management of the skin would have the lowest complications, including SSI. PATIENTS AND METHODS: Patients age ≥18 who underwent trauma laparotomy (TL) or damage control laparotomy (DCL) from 2008-2013 and had class III/IV wounds were included...
March 23, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28331365/mastectomy-skin-flap-necrosis-challenges-and-solutions
#15
REVIEW
Stuart A Robertson, Johann A Jeevaratnam, Avi Agrawal, Ramsey I Cutress
INTRODUCTION: Mastectomy skin flap necrosis (MSFN) has a reported incidence of 5%-30% in the literature. It is often a significant and underappreciated problem. The aim of this article was to review the associated challenges and possible solutions. METHODS: A MEDLINE search was performed using the search term "mastectomy skin flap necrosis". Titles and abstracts from peer-reviewed publications were screened for relevance. RESULTS: MSFN is a common complication and may present as partial- or full-thickness necrosis...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28329664/prospective-evaluation-of-complications-in-dermatologic-surgery-associated-with-hypertension-conroy
#16
Conroy Chow, Matthew J Simpson, Niko Pascua, Harjot Maan, Jacqueline G Berlier, Siegrid Yu, Isaac Neuhaus, Roy Grekin, Sarah T Arron
BackgroundPoorly controlled hypertension is a known risk factor for surgical complications. OBJECTIVE: This study examines the incidence of complications in participants undergoing Mohsmicrographic surgery (MMS) based on preoperative blood pressure (BP) measurement and investigates the role of potential confounders in the relationship between preoperative BP and postoperative complications.MethodsThis 10-month prospective cohort study at the University of California, San Francisco (UCSF) Dermatologic Surgery Center approached all patients undergoing MMS for participation and assessed for the diagnosis of hypertension, anti-hypertensive medication use, use of tobacco or blood thinners, immunosuppression, concomitant diabetes, or previous treatment with radiation therapy at the surgical site...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329325/comparison-of-radial-and-bilateral-internal-thoracic-artery-grafting-in-patients-with-peripheral-vascular-disease%C3%A2
#17
Dmitry Pevni, Yanai Ben-Gal, Rephael Mohr, Nadav Teich, Zvi Raviv, Amir Kramer, Yosef Paz, Benjamin Medalion, Nahum Nesher
OBJECTIVES: The composite T-graft with radial artery (RA) attached end-to-side to the left internal thoracic artery (ITA) provides arterial myocardial revascularization without the increased risk of deep sternal wound infection associated with harvesting 2 ITAs. However, many surgeons are reluctant to use RA in patients with peripheral vascular disease (PVD) due to concerns regarding the quality of the conduit in this subset of patients. The purpose of this study is to compare early- and long-term outcomes of arterial grafting with bilateral ITAs (BITA) to that of single ITA and RA in patients with PVD...
March 2, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28328638/complications-after-reduction-mammaplasty-a-comparison-of-wise-pattern-inferior-pedicle-and-vertical-scar-superomedial-pedicle
#18
Adeyemi A Ogunleye, Ofelia Leroux, Norman Morrison, Aviva B Preminger
Reduction mammaplasty is a commonly-performed procedure among plastic surgeons. Although several methods exist, the Wise pattern/inferior pedicle (IP) technique is the most widely used. The vertical scar/superomedial pedicle (SP) technique has gained acceptance for its shorter scar and more durable projection results, but some hesitation remains with its use in larger volume reductions.The incidence of complications in 124 consecutively performed breast reductions (246 breasts) at a single institution using either the Wise pattern/IP technique or vertical scar/SP technique, as well as risk factors associated with them, was determined...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28326562/liposome-encapsulated-hemoglobin-accelerates-skin-wound-healing-in-diabetic-db-db-mice
#19
Tsuyoshi Fukui, Akira T Kawaguchi, Susumu Takekoshi, Muneo Miyasaka, Hideaki Sumiyoshi, Rica Tanaka
Since liposome-encapsulated hemoglobin with high O2 affinity (h-LEH, P50 O2  = 10 mm Hg) has been reported to accelerate skin wound healing in normal mice, it was tested in dB/dB mice with retarded wound healing, as seen in human diabetics. Two full-thickness dorsal wounds 6 mm in diameter encompassed by silicone stents were created in dB/dB mice. Two days later (day 2), the animals were randomly assigned to receive intravenous h-LEH (2 mL/kg, n = 7) or saline (2 mL/kg, n = 7). The same treatment was repeated 4 days after wounding (day 4), and the size of the skin lesions was analyzed by photography, surface perfusion was detected by Laser-Doppler imager, and plasma cytokines and chemokines were determined on days 0, 2, 4, and 7, when all animals were euthanized for morphological studies...
March 21, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28326157/partial-calcanectomy-and-ilizarov-external-fixation-may-reduce-amputation-need-in-severe-diabetic-calcaneal-ulcers
#20
Mehmet Orçun Akkurt, Ismail Demirkale, Ali Öznur
Objective: The treatment of diabetic hindfoot ulcers is a challenging problem. In addition to serial surgical debridements, hyperbaric oxygen therapy and local wound care play important roles in the surgeon's armamentarium, for both superficial infection and gangrene of the soft tissue, often complicated by osteomyelitis of the calcaneus. The purpose of this study was to evaluate the results of an aggressive approach from diagnosis to treatment of calcaneal osteomyelitis in foot-threatening diabetic calcaneal ulcers...
2017: Diabetic Foot & Ankle
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