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https://www.readbyqxmd.com/read/29034709/advanced-wound-healing-and-npwt-overcoming-the-challenges
#1
Nicholas Bunce
Nicholas Bunce, Editor of Nursing and Residential Care, discusses some highlights of the recent Hartmann LINK for Wound Healing Congress, which was organised in collaboration with the Journal of Wound Care.
October 12, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29031009/fabrication-of-biodegradable-foams-for-deep-tissue-negative-pressure-treatments
#2
Harleigh J Warner, William D Wagner
Devices for negative pressure wound therapy (NPWT) rely on compressible foams operating at the tissue-device interface. Clinically used foams are nonabsorbable and if used on deep wounds or left in place for an extended period of time, excessive cell ingrowth and formation of granulation tissue into the foam may require a surgical procedure to remove the foam. Foams with fast degradation and with low immunogenicity and fibrotic response are required. Foams composed of combinations of poly(lactide-co-glycolide) (PLGA), poly(lactide-co-caprolactone) (PLCL), and polycaprolactone (PCL) were created by combined salt leaching and solvent displacement protocols...
October 14, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28985633/role-of-negative-pressure-therapy-as-damage-control-in-soft-tissue-reconstruction-for-open-tibial-fractures
#3
Mario Cherubino, Luigi Valdatta, Pierluigi Tos, Salvatore D'Arpa, Luigi Troisi, Pellegatta Igor, Federica Corradi, Umraz Khan
The concept of damage control orthopaedics (DCO) is a strategy that focuses on managing orthopaedic injuries in polytrauma patients who are in an unstable physiological state. The concept of DCO is an extension of damage control surgery or damage limitation surgery (DCS/DLS). Recently, it has become clear that certain patients, following extensive soft tissue trauma, could benefit from the idea of DCS. In the management of severe lower extremity trauma with exposed fracture sites, aggressive early wound excision debridement, early internal fixation, and vascularized wound coverage within a few days after trauma were proposed...
October 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28976835/use-of-cryopreserved-umbilical-cord-with-negative-pressure-wound-therapy-for-complex-diabetic-ulcers-with-osteomyelitis
#4
A Raphael, J Gonzales
OBJECTIVE: The objective of this study was to evaluate the combined use of cryopreserved human umbilical cord (cUC) allograft and negative pressure wound therapy (NPWT) in treating complex diabetic foot ulcers (DFUs) with bone exposure and osteomyelitis. These types of wound are known to carry a high morbidity and mortality. METHODS: A single-center, retrospective chart review was performed to assess the efficacy of the combined use of cUC with NPWT, by the same surgeon, to help promote the closure of complex DFUs presenting with biopsy-proven osteomyelitis...
October 1, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28976825/negative-pressure-wound-therapy-versus-gauze-dressings-for-the-treatment-of-contaminated-traumatic-wounds
#5
D Kaushik, Joshi N, R Kumar, Gaba S, R Sapra, K Kumar
OBJECTIVE: This compares hospital suction negative pressure wound therapy (NPWT) with conventional gauze dressings in traumatic soft-tissue injury at a tertiary care centre. METHODS: A prospective control study was conducted between September 2012 and November 2014. Patients with one or more traumatic soft-tissue injuries with contaminated wounds were allocated to either a test group (received NPWT) or control group (received conventional gauze). Wounds were assessed by two orthopaedic surgeons...
October 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28944996/negative-pressure-wound-therapy-promotes-muscle-derived-stem-cell-osteogenic-differentiation-through-mapk-pathway
#6
Hong Liu, Xun Zheng, Liang Chen, Chao Jian, Xiang Hu, Yong Zhao, Zonghuan Li, Aixi Yu
Negative pressure wound therapy (NPWT) has been revealed to be effective in the treatment of open fractures, although the underlying mechanism is not clear. This article aimed to investigate the effects of NPWT on muscle-derived stem cell (MDSC) osteoblastic differentiation and the related potential mechanism. The cell proliferation rate was substantially increased in NPWT-treated MDSCs in comparison with a static group for 3 days. There was no observable effect on the apoptosis of MDSC treated with NPWT compared with the control group for 3 days...
September 25, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28901392/negative-pressure-wound-therapy-regulating-blood-flow-perfusion-and-microvessel-maturation-through-microvascular-pericytes
#7
Zhanjun Ma, Zonghuan Li, Kangquan Shou, Chao Jian, Pengcheng Li, Yahui Niu, Baiwen Qi, Aixi Yu
Negative pressure wound therapy (NPWT) has been demonstrated to accelerate wound healing by promoting angiogenesis. However, whether blood flow perfusion is regulated by microvessel maturation and pericytes following NPWT remains unclear, as well as the exact association between pericytes and collagen type IV. The aim of this study was to investigate the relevant association between blood flow perfusion and microvessel maturation and pericytes following NPWT, and to further explore the underlying molecular mechanisms...
September 13, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28894985/virulence-analysis-of-staphylococcus-aureus-in-a-rabbit-model-of-infected-full-thickness-wound-under-negative-pressure-wound-therapy
#8
Daohong Liu, Zhirui Li, Guoqi Wang, Tongtong Li, Lihai Zhang, Peifu Tang
The aim of this study was to evaluate the virulence of Staphylococcus aureus in a controlled animal study using the standard sterile gauze and negative pressure wound therapy (NPWT), including activation of agr, gene expression and production of virulence foctors and depth of bacterial invasion. The tissue specimens were harvested on days 0 (6 h after bacterial inoculation), 2, 4, 6, and 8 at the center of wound beds. Laser scanning confocal microscopy was performed to obtain bioluminescent images which were used to measure the depth of bacterial invasion...
September 11, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28885895/meta-analysis-of-comparative-trials-evaluating-a-prophylactic-single-use-negative-pressure-wound-therapy-system-for-the-prevention-of-surgical-site-complications
#9
Vicki Strugala, Robin Martin
BACKGROUND: We report the first meta-analysis on the impact of prophylactic use of a specific design of negative pressure wound therapy (NPWT) device on surgical site complications. METHODS: Articles were identified in which the specific single-use NPWT device (PICO(⋄), Smith & Nephew) was compared with standard care for surgical site infection (SSI), dehiscence, or length of stay (LOS). Risk ratio (RR) ±95% confidence interval (CI) (SSI; dehiscence) or mean difference in LOS ±95% CI was calculated using RevMan v5...
October 2017: Surgical Infections
https://www.readbyqxmd.com/read/28882357/evaluation-of-negative-pressure-wound-therapy-to-closed-laparotomy-incisions-in-acute-care-surgery
#10
Elleson Schurtz, Jerome Differding, Eric Jacobson, Christopher Maki, Mentor Ahmeti
BACKGROUND: Surgical site complications in the form of wound infections are a major burden to the healthcare system. Negative pressure wound therapy (NPWT) as delivered by a surgical incision management system (SIMS) is a novel approach to improve wound healing when applied to closed incisions. However, data is limited in its application to laparotomy incisions in the acute care surgery setting. METHODS: A retrospective case-control study was performed to evaluate the outcomes of SIMS with regard to surgical site infections in a series of 48 consecutive patients in which SIMS was applied to closed laparotomy incisions in the acute care surgery setting...
August 23, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28873059/traction-assisted-internal-negative-pressure-wound-therapy-with-bridging-retention-sutures-to-facilitate-staged-closure-of-high-risk-wounds-under-tension
#11
Michael V DeFazio, James M Economides, Ersilia L Anghel, Ryan K Mathis, John R Barbour, Christopher E Attinger
BACKGROUND/OBJECTIVE: Loss of domain often complicates attempts at delayed wound closure in regions of high tension. Wound temporization with traction-assisted internal negative pressure wound therapy (NPWT), using bridging retention sutures, can minimize the effects of edema and elastic recoil that contribute to progressive tissue retraction over time. The investigators evaluated the safety and efficacy of this technique for complex wound closure. MATERIALS AND METHODS: Between May 2015 and November 2015, 18 consecutive patients underwent staged reconstruction of complex and/or contaminated soft tissue defects utilizing either conventional NPWT or modified NPWT with instillation and continuous dermatotraction via bridging retention sutures...
July 26, 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28865981/randomized-clinical-trial-of-negative-pressure-wound-therapy-for-high-risk-groin-wounds-in-lower-extremity-revascularization
#12
Kevin Lee, Patrick B Murphy, Matthew V Ingves, Audra Duncan, Guy DeRose, Luc Dubois, Thomas L Forbes, Adam Power
OBJECTIVE: The surgical site infection (SSI) rate in vascular surgery after groin incision for lower extremity revascularization can lead to significant morbidity and mortality. This trial was designed to study the effect of negative pressure wound therapy (NPWT) on SSI in closed groin wounds after lower extremity revascularization in patients at high risk for SSI. METHODS: A single-center, randomized, controlled trial was performed at an academic tertiary medical center...
August 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28862979/negative-pressure-wound-therapy-for-a-giant-wound-secondary-to-malignancy-induced-necrotizing-fasciitis-case-report-and-review-of-the-literature
#13
Jiayi Hu, Serge Goekjian, Nicolas Stone, Alexandra Nelson, Michael James Cooper
BACKGROUND: Necrotizing fasciitis (NF) is a life-threatening condition in which rapid diagnosis, debridement of nonviable tissue, and broad-spectrum antibiotics are critical to effective treatment. The debridement required can be extensive, resulting in large wounds that can sometimes be covered with split-thickness skin grafts (STSGs) with the help of negative pressure wound therapy (NPWT), or vacuum-assisted closure, to decrease the wound size. CASE REPORT: The authors report a rare case of NF due to malignancy-associated bowel perforation with a giant lower extremity wound secondary to debridement that involved 20% of the total body surface area (TBSA) in a 64-year-old, previously healthy, nonsmoking man...
August 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28859231/retrospective-8-year-analysis-of-negative-pressure-wound-therapy-in-dermatosurgery-a-single-center-experience
#14
Anja Wertenauer, Stefan Gräber, Cornelia Sigrid Lissi Müller
Negative pressure wound therapy (NPWT) is an established treatment modality in dermatologic surgery, but proof of evidence for efficacy is inconclusive. PURPOSE: To evaluate patient characteristics, treatment modalities, and outcomes in a single dermatosurgery center with NPWT applied over chronic and acute surgical wounds. METHODS: Of all surgical patients between 2008 and 2015, we selected those who were treated and hospitalized due to NPWT for treatment of acute and chronic wounds...
August 31, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28837537/characterization-of-hypoalbuminemia-following-temporary-abdominal-closure
#15
Tyler J Loftus, Janeen R Jordan, Chasen A Croft, R Stephen Smith, Philip A Efron, Frederick A Moore, Alicia M Mohr, Scott C Brakenridge
BACKGROUND: The purpose of this study was to characterize associations among serum proteins, negative-pressure wound therapy (NPWT) fluid loss, and primary fascial closure (PFC) following emergent laparotomy and temporary abdominal closure (TAC). We hypothesized that high levels of C-reactive protein (CRP) and NPWT output would be associated with hypoalbuminemia and failure to achieve PFC. METHODS: We performed a retrospective analysis of 233 patients managed with NPWT TAC...
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28835075/-advances-in-the-research-of-negative-pressure-wound-therapy-inducing-the-vascularization-of-dermal-substitute
#16
H W Shao, X G Wang, Z G You, C M Han
In clinical practice, skin defects resulted from various acute and chronic diseases occur frequently. Dermal substitute (DS), known as dermal regenerative template, is used more and more widely, but the slow process of vascularization limits its clinical application. At present, there are many strategies developed to enhance the process of vascularization, such as modifying the structure of dermal scaffolds, prevascularization by seeding stem cells and/or endothelial cells. Recently, negative-pressure wound therapy (NPWT) emerged and rapidly became popular in promoting wound healing due to its intrinsic advantages...
August 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28835061/-outcome-of-negative-pressure-wound-therapy-on-diabetic-foot-ulcers-an-observational-study
#17
F He, H J Zhu, Y Y Dong, Y W Zhao
Objective: To compare the treatment effects between negative pressure wound therapy (NPWT) and traditional therapy in diabetic patients with foot ulcers. Methods: Diabetic patients with foot ulcers were selected from Endocrinology Ward between January 2015 and December 2016. All the patients were consecutively selected to receive NPWT in addition to the traditional therapy. Each patient receiving NPWT was individually matched with a patient receiving only traditional therapy and selected as the control group...
August 22, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28817237/dysregulation-of-wound-healing-mechanisms-in-diabetes-and-the-importance-of-negative-pressure-wound-therapy-npwt
#18
Mogher Khamaisi, Sarit Balanson
Diabetes is a serious disease with severe side effects and comorbidities. Diabetic foot with its chronic nonhealing ulcers, or diabetic foot ulcers, as they are commonly called, can be devastating, even leading to amputation. Many therapies exist to assist and improve wound healing. One exciting discovery is the use of negative pressure wound therapy (NPWT) as an adjunct to standard treatment. Few studies have substantively explored the molecular mechanisms of NPWT and why we see improved wound healing, a concept that demands more research...
October 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28816717/comparison-of-negative-pressure-wound-therapy-and-conventional-therapy-for-cranial-bone-exposed-wounds-in-rabbits
#19
Lin Chen, Guorui Li, Sha Liu, Xianjie Ma, Xueyong Li, Yingjun Su, Shuzhong Guo
BACKGROUND: Bone-exposed wounds with intact or defected periosteum are difficult to heal. To provide relevant experimental evidence for guidance of clinical therapy, we established a rabbit model to compare the efficacies of negative pressure wound therapy (NPWT) and conventional guaze dressing therapy on the healing of cranial bone-exposed wounds. METHODS: Full-thickness excisional circular wounds of 2.0 cm in diameter with exposed bones covered with or without periosteum were created at the parietal regions in 88 rabbits that were further randomly divided into the following treatment groups: periosteum-intact wounds treated with conventional vaseline gauze dressings (P + Control group), periosteum-intact wounds treated with NPWT (P + NPWT group), periosteum-lacking wounds treated with conventional vaseline gauze dressings (P-Control group), and periosteum-lacking wounds treated with NPWT (P-NPWT group)...
October 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28797553/negative-pressure-wound-therapy
#20
REVIEW
Bryden J Stanley
Open wounds are regularly addressed in veterinary medicine and can be challenging to manage, especially when there is significant loss of full-thickness skin. Traditional wound dressings are being replaced by modern synthetic materials, biologic wound dressings, and mechanical technologies to augment healing. Negative pressure wound therapy (NPWT) is one of the most successful mechanical adjuncts to wound healing. Experience with NPWT in veterinary medicine is not as extensive as in human medicine but reports have been positive...
November 2017: Veterinary Clinics of North America. Small Animal Practice
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