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soft tissue infections

Baruch B Hertzog, Yael Kaufman, Debabrata Biswas, Miriam Ravins, Poornima Ambalavanan, Reuven Wiener, Veronique Angeli, Swaine L Chen, Emanuel Hanski
Bacteria use quorum sensing (QS) to regulate gene expression. We identified a group A Streptococcus (GAS) strain possessing the QS system sil, which produces functional bacteriocins, through a sequential signaling pathway integrating host and bacterial signals. Host cells infected by GAS release asparagine (ASN), which is sensed by the bacteria to alter its gene expression and rate of proliferation. We show that upon ASN sensing, GAS upregulates expression of the QS autoinducer peptide SilCR. Initial SilCR expression activates the autoinduction cycle for further SilCR production...
March 14, 2018: Cell Host & Microbe
C Correa-Martinez, A Brentrup, K Hess, K Becker, A H Groll, F Schaumburg
Coprinopsis cinerea is an environmental fungus which can cause disseminated infections in immunocompromised patients, often leading to death. Here we report the case of a paediatric patient with an invasive wound infection due to C. cinerea, which was successfully treated with surgical debridement and oral posaconazole.
January 2018: New Microbes and New Infections
Mark Gage, Frank Liporace, Kenneth Egol, Toni McLaurin
Treatment of traumatic bone defects is dictated by a multitude of clinical factors including the defect size, patient comorbidities, soft tissue condition, and the possibility of infection present in the defect. With a variety of treatment strategies described, it is critical to choose the approach that will maximize outcomes in addressing this difficult problem. When addressing small-scale defects, bone grafting is the primary treatment. For large-scale defects, there are two major options to consider: induced membrane technique and distraction osteogenesis...
March 2018: Bulletin of the Hospital for Joint Diseases
Jun Liu, Ping Zhen, Sheng-Hu Zhou, Qi Tian, Hui Chen, Wei Wang, Xiao-le He, Xu-Sheng Li
OBJECTIVE: To evaluate the manipulation technique and clinical outcome of Tri-Lock bone preservation stem for acetabular protrusion combined with shorten defect of femoral head and neck. METHODS: From January 2013 to December 2015, 10 patients(12 hips) with acetabular protrusion combined with shorten defect of femoral head and neck were treated with total hip arthroplasty(THA) including 5 males and 5 female with an average age of(51.6±3.0) years old ranging from 42...
February 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Adam J Pelzek, Bo Shopsin, Emily E Radke, Kayan Tam, Beatrix M Ueberheide, David Fenyö, Stuart M Brown, Qianhao Li, Ada Rubin, Yi Fulmer, William K Chiang, David N Hernandez, Hanane El Bannoudi, William E Sause, Alexis Sommerfield, Isaac P Thomsen, Andy O Miller, Victor J Torres, Gregg J Silverman
Staphylococcus aureus is a Gram-positive opportunistic pathogen that causes superficial and invasive infections in the hospital and community. High mortality from infection emphasizes the need for improved methods for prevention and treatment. Although S. aureus possesses an arsenal of virulence factors that contribute to evasion of host defenses, few studies have examined long-term humoral and B-cell responses. Adults with acute-phase skin and soft tissue infections were recruited; blood samples were obtained; and S...
March 13, 2018: MBio
Christy P Su, Levita Hidayat, Shafiqur Rahman, Veena Venugopalan
BACKGROUND: Medication reconciliation is a major patient safety concern, and the impact of a structured process to evaluate anti-infective agents at hospital discharge warrants further review. OBJECTIVE: The aim of this study was to (1) describe a structured, multidisciplinary approach to review anti-infectives at discharge and (2) measure the impact of a stewardship-initiated antimicrobial review process in identifying and preventing anti-infective-related medication errors (MEs) at discharge...
January 1, 2018: Journal of Pharmacy Practice
T Liu, F L Bao, S J Kang, T Jiang, D S Huang, W Gao, L J Geng, Y M Hu
Objective: To explore a standard procedure for the treatment of combined dorsal and palmar internal fixation for complex four part distal radius fractures and assess its clinical results. Methods: From May 2009 to October 2016, 38 patients(39 sides)who suffered from complex four part distal radius fractures were performed operatively with open reduction and internal fixation via combined dorsal and palmar approach in Department of Orthopaedic Trauma, Qilu Hospital of Shandong University(Qingdao). The series included 22 males(22 sides) and 16 females(17 sides)...
March 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
Hiroshige Mikamo, Yoshio Takesue, Yuji Iwamoto, Takahiko Tanigawa, Masaharu Kato, Yoko Tanimura, Shigeru Kohno
The objective of this open-label, randomised (i.e. 2:1 ratio), Phase 3 study was to compare the efficacy and safety of tedizolid phosphate 200 mg, once-daily treatment with that of linezolid 600 mg, twice-daily treatment for 7-14 days in Japanese adult patients (N = 125) with skin and soft tissue infections (SSTIs) and/or for 7-21 days for those with SSTI-related bacteraemia, caused by confirmed or highly suspected methicillin-resistant Staphylococcus aureus (MRSA). Primary outcome was clinical cure rate at test-of-cure (TOC, in SSTI: 7-14 days, in bacteraemia: 4-6 weeks after end-of-therapy [EOT]) time point in the microbiologically evaluable MRSA (ME-MRSA) population (N = 39)...
March 9, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
A Guiroy, A Sícoli, N Gonzalez Masanés, A Morales Ciancio, M Gagliardi, A Falavigna
Background: The paraspinal, posterolateral, or Wiltse approach is an old technique that observes the principles of an MIS procedure. The aim of this study was to provide a step-by-step description from the literature of the Wiltse paraspinal approach and analyze its main advantages and limitations. Methods: Here, we provide a step-by-step description of the Wiltse approach. Utilizing PubMed and Lilacs and the Mesh terms "Wiltse approach," "paraspinal approach," "muscle sparing approach," and "lumbar spine," we identified 10 papers...
2018: Surgical Neurology International
Ryohei Ono, Koji Uehara, Izumi Kitagawa
Emphysematous osteomyelitis is a rare but potentially fatal infection. It is caused by gas-forming organismsand is characterized by the presence of intraosseous gas. A 75-year-old woman with untreated diabetes mellitus presented with difficulty in moving and anorexia. Laboratory studies revealed inflammation, a urinary infection, and diabetic ketoacidosis. Klebsiella pneumoniae was detected in both urine and blood cultures. Computed tomography and magnetic resonance imaging revealed emphysematous lesions in the paravertebral soft tissue, spinal canal, and iliopsoas muscle, with intraosseous gas at L1 and L2...
March 9, 2018: Internal Medicine
Nichole MacPhee, Anne Savage, Nikolas Noton, Eilidh Beattie, Louise Milne, Joanna Fraser
Bows and arrows are used more for recreation, sport and hunting in the Western world and tend not to be as popular a weapon as firearms or knives. Yet there are still injuries and fatalities caused by these low-velocity weapons due to their availability to the public and that a licence is not required to own them. This study aimed to highlight the penetration capabilities of aluminium arrows into soft tissue and bones in the presence of clothing. Further from that, how the type and fit of clothing as well as arrowhead type contribute to penetration capacity...
March 2018: Science & Justice: Journal of the Forensic Science Society
Silvano Esposito, Silvana Noviello, Francesco De Caro, Giovanni Boccia
Skin and soft tissue infections (SSTIs) involve a heterogeneous group of entities with different clinical presentations classified according to several specific criteria. Because of their great variability, their incidence and prevalence is difficult to accurately determine. Yet it is generally thought that the rate of SSTIs is globally increasing due to an aging population, strictly associated with the increase in the number of critical and immunocompromised patients. The aetiology of SSTIs is also extremely variable, reflecting the noteworthy heterogeneity of their clinical presentations and their epidemiology...
March 1, 2018: Le Infezioni in Medicina
Marta Kierzkowska, Piotr Pędzisz, Ireneusz Babiak, Jakub Janowicz, Mateusz Kulig, Anna Majewska, Anna Sawicka-Grzelak, Grażyna Młynarczyk
Most Clostridium species are part of saprophytic microflora in humans and animals; however, some are well-known human pathogens. We presented the challenges in identifying the Clostridium species isolated from a patient with an infected open dislocation of the proximal interphalangeal joint of the fourth digit of the right hand. The clinical materials were intraoperative samples collected from a patient diagnosed with an injury-related infection, with soft tissue loss and tendon sheath involvement. The available biochemical, molecular, and genetic techniques were used in identifying the isolated bacteria...
March 9, 2018: Folia Microbiologica
Nicole M Acquisto, Ryan P Bodkin, Jack E Brown, Paul S Graman, Courtney Marie Cora Jones, Timmy Li, Dwight J Hardy, Elizabeth Dodds Ashley
OBJECTIVES: Skin and soft tissue infections (SSTI) caused by methicillin-resistant Staphylococcus aureus (MRSA) are prevalent in the emergency department (ED). We determined whether MRSA nasal carriage better identifies patients with MRSA wound infection than clinical risk factors or emergency medicine (EM) provider's choice of discharge prescriptions. METHODS: Adult patients presenting to a large academic medical centre ED in the USA with SSTI between May 2010 and November 2011 were screened...
March 9, 2018: Emergency Medicine Journal: EMJ
Nicole Bertin, Gabriele Brosolo, Fabrizio Pistola, Francesco Pelizzo, Christian Marini, Franco Pertoldi, Olga Vriz
BACKGROUND: Capnocytophaga canimorsus is a bacterium of the normal oral flora of dogs and cats. Human infection is caused by animal bite but is rarely observed, mainly in immunocompromised patients. We present 2 cases of C. canimorsus infection that occurred in immunocompetent patients and caused multiorgan failure and in both cases severe neurologic involvement. CASE REPORT: In the first case, we present a 69-year-old immunocompetent woman with septic shock derived from skin and soft tissue infection after a dog's bite...
March 6, 2018: Journal of Emergency Medicine
Jen-Ta Shih, Chun-Lin Kuo, Tsu-Te Yeh, Hsain-Chung Shen, Ru-Yu Pan, Chia-Chun Wu
BACKGROUND: The ideal treatment for comminuted intraarticular calcaneal fractures is still debated. Open reduction and internal fixation (ORIF) is the most popular surgical procedure; however, wound complications, implant choice, and infection remain major concerns. This study aimed to demonstrate the results of an innovative, minimally invasive surgical procedure, namely, a closed reduction technique using large-diameter Steinmann pins and percutaneous calcaneoplasty using injectable calcium sulfate cement (MIIG X3, Wright Medical Technology, Inc...
March 9, 2018: BMC Musculoskeletal Disorders
Patrick Reich, Thomas Shute, Colleen Lysen, Shawn R Lockhart, M Kelly Keating, Philip Custer, Rachel Orscheln
An 11-year-old immunocompetent girl presented with two and a half months of progressive right orbital cellulitis, which did not respond to multiple courses of antibiotics or prednisone. A panfungal polymerase chain reaction primer was positive for Saksenaea vasiformis, and she completed 5 months of oral posaconazole therapy after debridement. Saksenaea vasiformis is a rare cause of zygomycosis, and it typically causes skin and soft tissue infection in immunocompetent hosts, particularly after a traumatic injury...
March 7, 2018: Journal of the Pediatric Infectious Diseases Society
S S Almarzoky Abuhussain, K J Goodlet, M D Nailor, D P Nicolau
Skin and skin structure infections (SSSIs) refer to a collection of clinical infectious syndromes involving layers of skin and associated soft tissues. Although associated with less morbidity and mortality than other common skin infections, SSSIs represent a significant increasing source of healthcare expense, with a prevalence of 500 episodes per 10,000 patient-years in the United States resulting in burdening health care systems, of approximately $6 billion annually. Areas covered: Opportunities to reduce costs of care associated with SSSI are highlighted, including transitions of care and avoiding unnecessary hospital admissions...
March 9, 2018: Expert Review of Pharmacoeconomics & Outcomes Research
Marek Kawecki, Jarosław Pasek, Grzegorz Cieślar, Aleksander Sieroń, Grzegorz Knefel, Mariusz Nowak, Justyna Glik
BACKGROUND: Diabetic foot ulcer is one of the major complications of diabetes mellitus in adults. OBJECTIVES: The aim of the study was to conduct a planimetry evaluation of the effectiveness of hyperbaric oxygen therapy (HBOT) in the treatment of patients with vascular disorders caused by diabetic foot. MATERIAL AND METHODS: The study included 94 patients, 30 females (32%) and 64 males (68%), aged 33-76 years, with diabetes lasting 1.5-32 years, who underwent HBOT due to diabetic foot...
January 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Johannes Westman, Bhavya Chakrakodi, Johanna Snäll, Matthias Mörgelin, Martin Bruun Madsen, Ole Hyldegaard, Ariane Neumann, Inga-Maria Frick, Anna Norrby-Teglund, Lars Björck, Heiko Herwald
Innate immunity relies on an effective recognition of the pathogenic microorganism as well as on endogenous danger signals. While bacteria in concert with their secreted virulence factors can cause a number of inflammatory reactions, danger signals released at the site of infection may in addition determine the amplitude of such responses and influence the outcome of the disease. Here, we report that protein SIC, Streptococcal Inhibitor of Complement, an abundant secreted protein from Streptococcus pyogenes , binds to extracellular histones, a group of danger signals released during necrotizing tissue damage...
2018: Frontiers in Immunology
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