39 research outputs found
ENHANCE LABOUR PRODUCTIVITY THROUGH APPLICATIONS OF WORK STUDY PRINCIPLES
No full text<p>Civil is a basic branch of engineering and hence construction industry is one of the largest industry in economy. Because of its large presence, it contributes to the national economy and provides employment to the large no of people.</p>
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<p>Large amount of investment is made in the constructing ports, roads, urban infrastructural development, telecommunication sectors, power plants, and rural development etc. Various studies are performed by different researchers to improve the efficiency and effectiveness of construction process, implementation various techniques to reduce re-work and improve the productivity. Labour productivity is a very important factor in the construction industry that affects the overall quality of construction. Different labors have their own capacity of working and they show different level of productivity and affect the time and quality of the construction.</p>
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<p>Case studies and work measurement can improve the planning of human effectiveness. Using this study we can improve the efficiency and economy of the construction industry. Purpose of this work, focuses the benefits of time and method study employed in construction sectors. Method study and work measurement and work sampling has been used to measure the productivity of the various construction activities. It is expected that this concept will help to improve the further quality of the product and reduce risks.</p>
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<p>In essence, the focus is to apply method study and work measurement and statistical analysis to various construction activities to the observation data sets generated for different construction processes on site and determines their productivity processes and establish regression equation using statistical analysis</p>
Emerging Insights into Corynebacterium Kroppenstedtii Complex Associated Breast Abscesses: A Retrospective Study
No full textSreethish Sasi,1 Manal Mahmoud Mohamed Hamed,2 Hamad Elnil Abdelgabar Abdel Hadi,1 Wael Goravey,1 Emad Ibrahim,2,3 Fatma Ben Abid,1,4 Sanjay Doiphode,2 Godwin Wilson,2 Adila Shaukat Ali Kashaf,5,6 Muna Al-Maslamani,1,5 Abdullatif Al-Khal1 1Infectious Diseases Division, Department of Medicine, Communicable Diseases Center, Hamad Medical Corporation, Doha, Qatar; 2Division of Microbiology, Department of Laboratory Medicine and Pathology, Hamad Medical Corporation, Doha, Qatar; 3Biomedical Research Center, Qatar University, Doha, Qatar; 4Weill Cornell Medical College, Doha, Qatar; 5College of Medicine, Qatar University, Doha, Qatar; 6Infectious Diseases Division, Department of Medicine, Al-Wakra Hospital, Hamad Medical Corporation, Doha, QatarCorrespondence: Sreethish Sasi, Infectious Diseases Division, Department of Medicine, Communicable Diseases Center, Hamad Medical Corporation, Doha, Qatar, Tel +974- 50290089, Email [email protected]; [email protected]: Corynebacterium kroppenstedtii complex (CKC), including C. kroppenstedtii, C. parakroppenstedtii, and C. pseudokroppenstedtii, has been implicated in breast abscesses and granulomatous mastitis, presenting diagnostic and therapeutic challenges. Its lipophilic nature and association with specific populations necessitate targeted investigations.Materials and Methods: This retrospective study was conducted at Hamad Medical Corporation, Qatar, including all CKC isolates from breast tissue collected between October 2016 and March 2024. Data from electronic medical records were collected and anonymized. Microbiological analysis involved standard culture techniques, Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry (MALDI-TOF MS) for identification, and antibiotic susceptibility testing per Clinical and Laboratory Standards Institute (CLSI) standards. Statistical methods included descriptive analyses, Pearson’s correlation, and relative risk calculations.Results: Among 34 isolates, 31 were from breast tissue of pre-menopausal women, predominantly obese or overweight, with a median age of 33 years. Breast abscesses were typically unilateral, associated with axillary lymphadenopathy, and varied in size and complexity. Recurrence within six months occurred in 58% of cases. Prolonged antimicrobial therapy and, in some cases, surgical intervention were necessary. Most isolates were sensitive to vancomycin, linezolid, and rifampicin, but resistance to penicillin and daptomycin was noted.Conclusion: CKC is an emerging pathogen in breast abscesses, requiring precise diagnostic approaches and individualized treatment strategies. Advanced genomic tools are recommended for species differentiation and resistance monitoring. Ongoing research is essential to optimize management and address rising antimicrobial resistance.Keywords: Corynebacterium kroppenstedtii, breast-abscess, granulomatous mastitis, hyperprolactinemia, lipophilic bacteria, antimicrobials, microbiological analysi
Intestinal Parasitic Infections among Long-Term-Residents and Settled Immigrants in Qatar in the Period 2005 to 2011
No full textAbstract. The expanding economy of Qatar in the last two decades has attracted immigrants, often from countries
with poor socio-economic levels. Many arrive with patent intestinal parasitic infections, and recent analyses have
indicated consistently rising trends in the prevalence of some infections. Here, we examined 18,563 hospital records of
subjects in Qatar seeking medical assistance for a variety of ailments, combining data from 2009 to 2011 with the earlier
dataset from 2005 to 2008 to enable trends to be identified across a 7-year period. We found that 8.6% were infected with
one or more species of parasites, however in contrast to the earlier period (2005–2008), in the latter 3 years there were
falling trends of prevalence providing some optimism that parasitic infections among the resident immigrants have begun
to decline. We identified also geographic regions from which resident workers still maintain a relatively high prevalence
of helminth infections despite their long-term residence in Qatar.This publication was made possible by a grant from Qatar National Research Fund (QRNF) at Qatar Foundation through National Priorities Research Program (NPRP) (Project No. NPRP 4-1283-3-327
Changing trends in intestinal parasitic infections among long-term-residents and settled immigrants in Qatar
No full textHelminth Infections Among Long-Term-Residents and Settled Immigrants in Qatar in the Decade from 2005 to 2014: Temporal Trends and Varying Prevalence Among Subjects from Different Regional Origins
No full textWe analysed the prevalence of helminth infection in a dataset of 31,008 records of subjects referred for stool examination at the Hamad Medical Corporation over the course of a decade (2005 to 2014, inclusive). Overall prevalence of combined helminthe infections was low (1.78%) but there were significant temporal trends, age and sex effects and those arising from region of origin of the subjects. The most common helminth was hookworm (overall prevalence 1.2%) which accounted for 70.3% of cases, and therefore patterns for combined helminth infections were largely driven by hookworms. In both cases, and also in Trichuris trichiura and Ascaris lumbricoides prevalence peaked in 2008, since when prevalence has been steadily falling. Helminth infections were largely concentrated among subjects from W. Asian countries, and there was a highly biased prevalence in favour of male subjects in all cases. Prevalence of all three nematodes peaked in age class 7 (mean age 25.5 years, range = 20-29) and there were significant interactions between region of origin and sex of subjects and prevalence of combined helinths, and hookworms. These results offer optimism that prevalence will continue to decline in the years ahead, especially if control is targeted at those most at risk of carrying infections.qscienc
Massilia timonae bacteremia: An unusual pathogen of septic abortion
No full textMassilia timonae infections in humans have rarely been reported. To the best of our knowledge, M. timonae has not been previously recognized as a causative agent of obstetric or gynecological infections. Timely identification of this unusual pathogen and the use of targeted antimicrobial therapy are crucial to avoid consequences and treatment failure
Urine tests for diagnosis of infectious diseases and antibiotic –resistant pathogens
No full textThe relation between disease and urine was recognized by physicians since the earliest civilization BC. Urine is considered an ideal diagnostic specimen for its noninvasive and easy method of collection. Urinalysis encompasses a wide range of tests, which includes a variety of chemical tests, urine microscopy, bacterial cultures, and molecular tests. Importantly, urine tests can diagnose patients with antibiotic-resistant urinary tract infections (UTI), directly from urine and/or bacterial culture. This chapter summarizes the most common urine tests in the infectious disease field, with a special focus on diagnosing UTI and characterizing their antibiotic-resistant. In addition to describing the advantages and limitations of these tests, the chapter explores the promising emerging technologies and methods in this field. This chapter is beneficial for scientists and healthcare workers in the field.Biomedical Research Centr
Polymerase chain reaction ribotyping of Clostridium difficile isolates in Qatar: a hospital-based study
No full textBackground
Clostridium difficile infection (CDI) is not generally reported to public health authorities in
the Middle East and its true prevalence remains largely unknown. The aims of this study were
to determine the prevalence of CDI and its associated ribotypes among C. difficile isolates in
Qatar. Influence of age and correlation with other risk factors e.g. proton pump inhibitor use,
antibiotic use, existence of chronic conditions, etc was also investigated for CDI positive
patients.
Methods
A total of 1,532 patients with suspected CDI were recruited from two hospitals between 2011
and 2012. C. difficile was identified using glutamate dehydrogenase (GDH) lateral flow assay
and toxins A and B Enzyme Immunoassay (EIA). The C. difficile positive samples were then
cultured for PCR-ribotyping.
Results
122 of the 1,532 (7.9%) samples from individual patients were identified as C.difficile
positive; and 79 of these were viably cultured (~65%). From these, 36 different PCR
ribotypes were isolated, of which strains 258 (6 [7.6%]), 01/014/046 (5 [6.3%]), and
011/053/056/107 (4 [5%]) were the most prevalent. The prevalence of PCR-ribotype 027 was
1.3% (n = 1). An age of ≥65 years and treatment with proton pump inhibitors correlated with
higher frequency of CDI. Treatment with third generation cephalosporins (50 [41%]) and
piperacillin/tazobactam antibiotics (55 [45.1%]) was most frequently associated with CDI.
Conclusion
The most common C. difficile ribotype identified in Qatar was 258, which is different from
those found in North America, Europe and Asia. The prevalence of CDI was higher in Qatar
than Europe; though comparable to other Middle Eastern countries. These findings
underscore the importance of local surveillance to detect and control C. difficile infection
Acute myelopathy with sudden paraplegia as the sole manifestation of meningococcal meningitis
No full textAcute myelopathy with sudden paraplegia is a very rare manifestation of meningococcal meningitis, with only a few cases reported in the literature. In almost all previously reported cases, other clinical manifestations of meningitis, such as fever, headache, and neck stiffness preceded acute myelopathy. In this paper, we report a case of acute myelopathy with sudden paraplegia as the sole manifestation of meningococcal meningitis, in the absence of other clinical manifestations of meningitis
