| 1. |
- Lan, P. T., et al.
(författare)
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Reproductive tract infections including sexually transmitted infections : a population-based study of women of reproductive age in a rural district of Vietnam.
- 2008
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Ingår i: Sexually Transmitted Infections. - London : BMJ Publishing Group. - 1368-4973 .- 1472-3263. ; 84:2, s. 126-132
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: To investigate the prevalences of reproductive tract infections (RTI)/sexually transmitted infections (STI) among married women in a rural district of Vietnam, and analyse the influence of socioeconomic, sociodemographic, and other determinants possibly related to RTI/STI. Methods: A community-based cross-sectional study. Married women aged 18–49 years (n = 1012) were interviewed and underwent a gynaecological examination. Specimens were collected for laboratory diagnosis of chlamydia, gonorrhoea, trichomonas, bacterial vaginosis (BV), candidiasis, hepatitis B, HIV, and syphilis. Results: In total, 37% of the women were clinically diagnosed with an RTI/STI. Aetiologically confirmed RTI/STI was identified in 39% of the women (including 6% with STI). Endogenous infections were most prevalent (candidiasis 26%, BV 11%) followed by hepatitis B 8.3%, Chlamydia trachomatis 4.3%, Trichomonas vaginalis 1%, Neisseria gonorrhoeae 0.7%, genital warts 0.2%, and HIV and syphilis 0%. Fifty per cent of the STI cases were asymptomatic. Younger age and intrauterine devices were significantly associated with an increased risk of BV. Determinants of candidiasis were vaginal douching, high education level and low economic status, whereas a determinant of chlamydia was high economic status. Outmigration of the husband was associated with an increased risk of hepatitis B surface antigen seroposivity among women. Conclusions: RTI/STI were prevalent among married women in a rural population of Vietnam. Syndromic algorithms should be consistently supplemented by risk assessment in order to reduce under and overtreatment. Microscopic diagnosis could be applied in primary care settings to achieve more accurate diagnoses. The promotion of health education aimed at reducing RTI/STI prevalences is an important tool in STI/HIV control programmes. Vaccination to prevent hepatitis B for migrants should be considered.
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| 6. |
- Alga, A, et al.
(författare)
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Perceptions of Healthcare-Associated Infection and Antibiotic Resistance among Physicians Treating Syrian Patients with War-Related Injuries
- 2018
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Ingår i: International journal of environmental research and public health. - : MDPI AG. - 1660-4601. ; 15:12
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Tidskriftsartikel (refereegranskat)abstract
- Healthcare-associated infections (HAIs) constitute a major contributor to morbidity and mortality worldwide, with a greater burden on low- and middle-income countries. War-related injuries generally lead to large tissue defects, with a high risk of infection. The aim of this study was to explore how physicians in a middle-income country in an emergency setting perceive HAI and antibiotic resistance (ABR). Ten physicians at a Jordanian hospital supported by Médecins Sans Frontières were interviewed face-to-face. The recorded interviews were transcribed verbatim and analyzed by qualitative content analysis with an inductive and deductive approach. The participants acknowledged risk factors of HAI and ABR development, such as patient behavior, high numbers of injured patients, limited space, and non-compliance with hygiene protocols, but did not express a sense of urgency or any course of action. Overuse and misuse of antibiotics were reported as main contributors to ABR development, but participants expressed no direct interrelationship between ABR and HAI. We conclude that due to high patient load and limited resources, physicians do not see HAI as a problem they can prioritize. The knowledge gained by this study could provide insights for the allocation of resources and development of hygiene and wound treatment protocols in resource-limited settings.
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| 7. |
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| 8. |
- Ali, E. S., et al.
(författare)
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Norovirus drug candidates that inhibit viral capsid attachment to human histo-blood group antigens
- 2016
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Ingår i: Antiviral Research. - : Elsevier. - 0166-3542 .- 1872-9096. ; 133, s. 14-22
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Forskningsöversikt (refereegranskat)abstract
- Human noroviruses are the leading causative agents of epidemic and sporadic viral gastroenteritis and childhood diarrhoea worldwide. Human histo-blood group antigens (HBGA) serve as receptors for norovirus capsid protein attachment and play a critical role in infection. This makes HBGA-norovirus binding a promising target for drug development. Recently solved crystal structures of norovirus bound to HBGA have provided a structural basis for identification of potential anti-norovirus drugs and subsequently performed in silico and in vitro drug screens have identified compounds that block norovirus binding and may thereby serve as structural templates for design of therapeutic norovirus inhibitors. This review explores norovirus therapeutic options based on the strategy of blocking norovirus-HBGA binding.
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| 14. |
- Ehrsson, H. Henrik, et al.
(författare)
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Upper limb amputees can be induced to experience a rubber hand as their own
- 2008
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Ingår i: Brain. - : Oxford University Press (OUP). - 1460-2156 .- 0006-8950. ; 131:12, s. 3443-3452
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Tidskriftsartikel (refereegranskat)abstract
- We describe how upper limb amputees can be made to experience a rubber hand as part of their own body. This was accomplished by applying synchronous touches to the stump, which was out of view, and to the index finger of a rubber hand, placed in full view (26 cm medial to the stump). This elicited an illusion of sensing touch on the artificial hand, rather than on the stump and a feeling of ownership of the rubber hand developed. This effect was supported by quantitative subjective reports in the form of questionnaires, behavioural data in the form of misreaching in a pointing task when asked to localize the position of the touch, and physiological evidence obtained by skin conductance responses when threatening the hand prosthesis. Our findings outline a simple method for transferring tactile sensations from the stump to a prosthetic limb by tricking the brain, thereby making an important contribution to the field of neuroprosthetics where a major goal is to develop artificial limbs that feel like a real parts of the body.
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| 18. |
- Grigoryan, L, et al.
(författare)
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Self-medication with antimicrobial drugs in Europe
- 2006
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Ingår i: Emerging infectious diseases. - : Centers for Disease Control and Prevention (CDC). - 1080-6040 .- 1080-6059. ; 12:3, s. 452-459
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Tidskriftsartikel (refereegranskat)
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| 19. |
- Hansson, H A, et al.
(författare)
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Evidence indicating trophic importance of IGF-I in regenerating peripheral nerves
- 1986
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Ingår i: Acta Physiologica Scandinavica. - : Wiley. - 0001-6772 .- 1365-201X. ; 126:4, s. 14-609
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Tidskriftsartikel (refereegranskat)abstract
- The mechanisms influencing regeneration of peripheral nerves are incompletely known, but growth factors are supposed to play a key role. In the present study, we demonstrate, with the aid of immunohistochemical methods, that somatomedin C (Sm-C/insulin-like growth factor I/IGF-I) rapidly increased from low to high concentrations, reaching peak values in 2 weeks, in regenerating sciatic nerves of adult rats. In addition, IGF-I was demonstrated extracellularly, never observed in the control nerves. Reactive Schwann cells appeared to be the major source for IGF-synthesis. Higher concentrations were seen in tubulated nerves as compared to sutured ones. It is proposed that IGF-I exerts important growth supporting effects on regenerating peripheral nerves.
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| 24. |
- Lundborg, G, et al.
(författare)
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Intraneural edema following exposure to vibration
- 1987
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Ingår i: Scandinavian Journal of Work, Environment and Health. - 0355-3140. ; 13:4, s. 9-326
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Tidskriftsartikel (refereegranskat)abstract
- Peripheral neuropathy represents a well-known complication from long-term exposure to vibration. In the present study an experimental model is presented with the purpose of analyzing the formation of intraneural edema following vibration exposure. Vibration (82 Hz, peak-to-peak amplitude 0.21 mm) was induced in the hind limb of rats by the use of vibrating electric motors during 4 h/d for 5 d. Tracer techniques (with albumin Evans blue and horseradish peroxidase) were used to study the permeability of intraneural microvessels after the vibration exposure on day 5. It was found that the vibration trauma in this model induced epineurial edema in the sciatic nerve. It is hypothesized that the formation of intraneural edema may be an important pathophysiological factor in the occurrence of vibration-induced neuropathy.
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| 25. |
- Lundborg, G, et al.
(författare)
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Reorganization and orientation of regenerating nerve fibres, perineurium, and epineurium in preformed mesothelial tubes - an experimental study on the sciatic nerve of rats
- 1981
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Ingår i: Journal of Neuroscience Research. - : Wiley. - 0360-4012 .- 1097-4547. ; 6:3, s. 81-265
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Tidskriftsartikel (refereegranskat)abstract
- Regeneration of severed peripheral nerves is unfortunately often incomplete, due to loss of nerve fibers and neuroma formation. A new approach is presented with the intention of improving the conditions for nerve repair. In the first of the two stages, a pseudosynovial tube is formed around a silicone rubber rod, surrounded by a stainless steel spiral, which was placed in the backs of rats. This tube, in the second stage, is used as a free "tube graft" to bridge gaps of about 10-12 mm lengths in the severed sciatic nerve. The tube was kept open by the metal spiral. Regenerating nerve fibers with their sprouts grew into the initially open space in the tube. A new nerve trunk was formed, comprised of closely packed myelinated and unmyelinated axons, organized into fascicles. Demonstration by electron microscopy and by EMG recording of reinnervation of foot muscles supported successful long-term results. The fascicles were delimited by perineurial and epineurial sheaths and, furthermore, showed signs of maturation. It was also demonstrated that the nerve-fiber regeneration ceased after a few weeks if there was no distal nerve inserted into the tube. The importance of optimizing the interaction between local factors and regenerating nerve fibers for reestablishment of functionally valuable motor units is discussed.
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| 27. |
- Narangifard, A., et al.
(författare)
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Human skin barrier formation takes place via a cubic to lamellar lipid phase transition as analyzed by cryo-electron microscopy and EM-simulation
- 2018
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Ingår i: Experimental Cell Research. - : Elsevier BV. - 0014-4827 .- 1090-2422. ; 366:2, s. 139-151
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Tidskriftsartikel (refereegranskat)abstract
- The skin's permeability barrier consists of stacked lipid sheets of splayed ceramides, cholesterol and free fatty acids, positioned intercellularly in the stratum corneum. We report here on the early stage of skin barrier formation taking place inside the tubuloreticular system in the secretory cells of the topmost viable epidermis and in the intercellular space between viable epidermis and stratum corneum. The barrier formation process was analysed in situ in its near-native state, using cryo-EM combined with molecular dynamics modeling and EM simulation. Stacks of lamellae appear towards the periphery of the tubuloreticular system and they are closely associated with granular regions. Only models based on a bicontinuous cubic phase organization proved compatible with the granular cryo-EM patterns. Only models based on a dehydrated lamellar phase organization agreed with the lamellar cryo-EM patterns. The data support that human skin barrier formation takes place via a cubic to lamellar lipid phase transition.
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| 28. |
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| 29. |
- Olsen, Birgitta, 1952-, et al.
(författare)
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Population-based assessment of Mycoplasma genitalium in Vietnam : low prevalence among married women of reproductive age in a rural area
- 2009
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Ingår i: Journal of the European Academy of Dermatology and Venereology. - Amsterdam : Wiley-Blackwell Publishing Inc.. - 0926-9959 .- 1468-3083. ; 23:5, s. 533-537
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Tidskriftsartikel (refereegranskat)abstract
- Objective To analyse the prevalence of Mycoplasma genitalium infection in a population-based study among married women from a demographic surveillance site in a rural geographical area of Vietnam.Materials and Methods Women, 18-49 years of age, were randomly selected to participate. DNA was isolated from endocervical swabs sampled from 990 participating women. The M. genitalium MgPa adhesion gene was detected using a real-time PCR with TaqMan probe.Results Eight (0.8% [95% confidence interval, 0.25-1.35%]) of the included women were infected with M. genitalium .Two of these positive women reported clinical symptoms. One additional M. genitalium positive but symptom-free woman, however, showed clinical signs of vaginitis. None of the M. genitalium positive women was concomitantly infected with Chlamydia trachomatis , Neisseria gonorrhoeae , syphilis or HIV. Furthermore, there was no obvious association between M. genitalium infectionand vaginal douching, use of intra-uterine device (IUD), or occurrence of bacterial vaginosis, candidiasis, or Trichomonas vaginalis .Conclusions The prevalence of M. genitalium among married women in Vietnam was relatively low. However, more large, well-designed and appropriately performed studies in other population groups including unmarried women and men, and in other geographical areas, rural as well as urban, are crucial in order to extract any evidence-based conclusions regarding the overall prevalence of STIs, including M. genitalium infections, in the Vietnamese society. The present study compiled with such future studies may form the basis for a national sexual health strategy for prevention, diagnosis, and surveillance of STIs, including M. genitalium infections, in Vietnam.
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| 30. |
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| 31. |
- Rosén, Birgitta, et al.
(författare)
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Referral of sensation to an advanced humanoid robotic hand prosthesis.
- 2009
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Ingår i: Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery. - : Informa UK Limited. - 1651-2073 .- 0284-4311. ; 43:5, s. 260-266
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Tidskriftsartikel (refereegranskat)abstract
- Hand prostheses that are currently available on the market are used by amputees to only a limited extent, partly because of lack of sensory feedback from the artificial hand. We report a pilot study that showed how amputees can experience a robot-like advanced hand prosthesis as part of their own body. We induced a perceptual illusion by which touch applied to the stump of the arm was experienced from the artificial hand. This illusion was elicited by applying synchronous tactile stimulation to the hidden amputation stump and the robotic hand prosthesis in full view. In five people who had had upper limb amputations this stimulation caused referral touch sensation from the stump to the artificial hand, and the prosthesis was experienced more like a real hand. We also showed that this illusion can work when the amputee controls the movements of the artificial hand by recordings of the arm muscle activity with electromyograms. These observations indicate that the previously described "rubber hand illusion" is also valid for an advanced hand prosthesis, even when it has a robotic-like appearance.
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| 35. |
- Su, GB, et al.
(författare)
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Association of Kidney Function with Infections by Multidrug-Resistant Organisms: An Electronic Medical Record Analysis
- 2018
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Ingår i: Scientific reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 8:1, s. 13372-
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Tidskriftsartikel (refereegranskat)abstract
- Antibiotic resistance is a major global health threat. High prevalences of colonization and infection with multi-drug resistance organisms (MDROs) have been reported in patients undergoing dialysis. It is unknown if this finding extends to patients with mild and moderate/severe kidney disease. An observational study included all adult incident patients hospitalized with a discharge diagnosis of infection in four hospitals from Guangzhou, China. Inclusion criteria: Serum creatinine measurement at admission together with microbial culture confirmed infections. Exclusion criterion: Undergoing renal replacement therapy. Four categories of Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) estimated glomerular filtration rate (eGFR) were compared: eGFR ≥ 105, 60–104 (reference), 30–59, and <30 ml/min/1.73 m2. The odds ratio of MDROs, defined as specific pathogens (Staphylococcus aureus, Enterococcus spp., Enterobacteriaceae, Pseudomonas aeruginosa and Acinetobacter spp.) resistant to three or more antibiotic classes, were calculated using a multivariable logistic regression model across eGFR strata. Of 94,445 total microbial culture records, 7,288 first positive cultures matched to infection diagnosis were selected. Among them, 5,028 (68.9%) were potential MDROs. The odds of infections by MDROs was 19% and 41% higher in those with eGFR between 30–59 ml/min/1.73 m2 (Adjusted odds ratio, AOR): 1.19, 95% CI:1.02–1.38, P = 0.022) and eGFR < 30 ml/min/1.73 m2 (AOR: 1.41, 95% CI:1.12–1.78, P = 0.004), respectively. Patients with impaired renal function have a higher risk of infections by MDROs. Kidney dysfunction at admission may be an indicator for need of closer attention to microbial culture results requiring subsequent change of antibiotics.
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| 36. |
- Su, GB, et al.
(författare)
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Chronic kidney disease is associated with poorer in-hospital outcomes in patients hospitalized with infections: Electronic record analysis from China
- 2017
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Ingår i: Scientific reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 7:1, s. 11530-
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Tidskriftsartikel (refereegranskat)abstract
- Predominantly based on studies from high-income countries, reduced estimated glomerular filtration rate (eGFR) has been associated with increased risk of infections and infection-related hospitalizations (IRHs). We here explore in-hospital outcomes of IRHs in patients with different kidney function. A total of 6,283 adults, not on renal replacement therapy, with a discharge diagnosis of infection, and with an eGFR 1–12 months before index hospitalization, were included from four hospitals in China. We compared in-hospital outcomes (death, intensive care unit (ICU) admission, length of hospital stay (LOHS) and medical expenses), between patients with and without chronic kidney disease (CKD, defined as eGFR ≤ 60 ml/min per 1.73 m2 of body surface area) by mixed-effects logistic regression model or generalized linear model. The odds for in-hospital mortality (adjusted odds ratios (OR) = 1.41; 95% CI 1.02–1.96) and ICU admission (OR = 2.18; 95% CI 1.64–2.91) were higher among patients with CKD. The median LOHS was significantly higher for CKD patients (11 days vs. 10 days in non-CKD, P < 0.001), and inferred costs were 20.0% higher adjusted for inflation rate based on costs in 2012 (P < 0.001). Patients with CKD hospitalized with infections are at increased risk of poorer in-hospital outcomes, conveying higher medical costs.
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