This study examines the impact of chainsaw chain type and tree species on the concentration of inhalable wood dust generated during motor-manual harvesting in forested areas. The effects of conducting real-world measurements of inhalable dust within the operator's breathing zone during forestry work are investigated. Two different chain types were evaluated: the commonly used 3/8" pitch chain (conventional chain) and the 0.
View Article and Find Full Text PDFThe idea of entropy, which has its roots in information theory and proposes that one may measure the degree of uncertainty associated with the prediction of bits and pieces of information, has been widely used by biologists and ecologists for decades to define biological diversity. For ecologists, the core of the issue is whether or not two species' distribution taken from the same habitat are the same or distinct. The Shannon index and Simpson diversity are well-known in ecology; however, the non-linearity of these indices may cause a misinterpretation of the underlying diversity, as shown by Lou Jost (2006) and others.
View Article and Find Full Text PDFBackground: The development of musculoskeletal disorders (MSDs) associated with forestry operations is an alarming issue.
Objective: In the present paper, an attempt was made to assess the location and the prevalence of the MSDs in timber harvesting tasks.
Methods: The analysis of logging-related risk factors was carried out by observing working postures with the use of the assessment tool RULA (Rapid Upper Limb Assessment) during harvesting jobs.
Ann Otol Rhinol Laryngol
September 2021
Background: Frey's syndrome is a well-known complication of parotid surgery; its prevention may be achieved by the use of an interpositional barrier between the overlying flaps and the exposed parenchymal bed of parotid gland. The aim of this study was to retrospectively evaluate clinical outcomes with and without the interpositional placement of a porcine dermal collagen graft (PDCG) for prevention of syndrome occurrence.
Methods: We conducted a 20-year retrospective study including the patients who had undergone "formal" (superficial, total, or subtotal) parotidectomies for benign pathologies.
Background: Brain metastases from sarcomatous lesions pose a management challenge owing to their rarity and the histopathological heterogeneity. Prognostic indices such as the Graded Prognostic Assessment (GPA) index have been developed for several primary tumour types presenting with brain metastases (e.g.
View Article and Find Full Text PDFEur J Dermatol
October 2019
In Mediterranean ecosystems an increasing demand for in situ trace gas exchange data is emerging to enhance the adaptation and mitigation strategies under forest degradation. Field-chamber green-house gas fluxes and site characteristics were analysed in two Mediterranean peri-urban pine forests showing degradation symptoms. We examined the effect of different thinning interventions on soil CO, CH and NO fluxes, addressing the relationships with the environmental variables and C and N contents along forest floor-soil layers.
View Article and Find Full Text PDFBackground: Triflusal has demonstrated an efficacy similar to aspirin in the prevention of vascular events in patients with acute myocardial infarction (ΜΙ) and ischaemic stroke but with less bleeding events.
Objective: We performed a randomised, multicentre, phase 4 clinical trial to compare the clinical efficacy and safety of triflusal versus aspirin, administered for 12 months in patients eligible to receive a cyclooxygenase-1 (COX-1) inhibitor.
Methods: Patients with stable coronary artery disease or with a history of non-cardioembolic ischaemic stroke were randomly assigned to receive either triflusal 300 mg twice or 600 mg once daily or aspirin 100 mg once daily for 12 months.
Afr J Tradit Complement Altern Med
June 2017
Background: is a valuable Mediterranean shrub as an ornamental plant as well as fruit tree. Fresh fruits of are a good source of antioxidants, of vitamins C, E and carotenoids and also are characterized by the high content of mineral elements.
Materials And Methods: The effects of gibberellic acid (GA) and cold stratification (CS) on seed germination performance were investigated in seeds collected from three provenances in the Northern part of Greece.
We aimed to evaluate the feasibility and reliability of brush cytology in the biomarker expression profiling of oral squamous cell carcinomas within the concept of theranostics, and to correlate this biomarker profile with patient measurable outcomes. Markers representative of prognostic gene expression changes in oral squamous cell carcinoma was selected. These markers were also selected to involve pathways for which commercially available or investigational agents exist for clinical application.
View Article and Find Full Text PDFBackground: The paradigm change observed over the last few years in several solid tumors emphasizes the value of locoregional treatment in the presence of metastatic disease, currently ignored in de novo prostate cancer (CaP). We investigated the effect of the primary tumor that is left untreated on prostate cancer-specific morbidity and mortality, time to castration resistance, and overall survival (OS).
Methods: We performed a bicentric cohort study.
Interleukin (IL)-8 promotes cellular proliferation and angiogenesis in patients with non-small-cell lung cancer (NSCLC) and may be related to cachexia. Our aim was to investigate the relationship of IL-8 levels with nutritional status, and clinical outcome of patients with NSCLC. Patients with metastatic NSCLC referred for first-line therapy were eligible.
View Article and Find Full Text PDFIntroduction: The aim of this study was to evaluate the sensitivity, specificity, diagnostic accuracy, positive predictive value (PPV) and negative predictive value (NPV) of fine-needle aspiration cytology (FNAC) of salivary gland tumours performed at a tertiary cancer hospital over a time period of 10 years.
Materials And Methods: A retrospective analysis was carried out between 1995 and 2004 to review the cases of patients with salivary gland tumours who had undergone pre-operative FNA and for whom definite histology was either by tru-cut biopsy or by histopathological examination of the operative specimen.
Results: A total of 107 cases of salivary gland tumours were treated during that period, but only 82 cases diagnosed by FNAC could be correlated with histological and clinical data and were considered for this study.
Eur J Dermatol
July 2010
Basal cell carcinoma (BCC) accounts for nearly 25% of all cancers in the human body and for almost 75% of skin malignancies; approximately 85% of basal cell carcinomas develop in the head and neck region. Limited demographic, clinical and histological predictors for second primary and/or recurrent BCC have been identified to date. Our objective was to identify predictors of recurrence and second primary tumour development of BCC in the head and neck region.
View Article and Find Full Text PDFBackground: Head and neck cutaneous squamous cell carcinoma (HNCSCC) although rarely fatal has significant adverse public health effects due to high medical costs, compromised quality of life, functional impairment and other serious consequences. The present longitudinal cohort study of HNCSCC was designed to determine whether certain clinical-pathologic features of HNCSCC are associated with reduced overall and recurrence-free survival, as suggested by previous data.
Patients: The cohort sample consisted of 315 consecutive patients presenting with primary HNCSCC of the head and neck.
Purpose: The reported incidence of osteonecrosis of the jaw (ONJ) ranges from 0.94% to 18.6%.
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