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Enter the feverish dream and experience its abstract world. Recognize the degradation of your environment and adapt to it. Act with caution. There is a malicious virus waiting for you at each step. Avoid the ink and everything should be alright.
the Fever download
Keep an open mind and be prepared for anything. Expect an enemy in the person who you would least expect it. If you feel betrayed, remember that a fever can change a strong, healthy person into a complete wreck. An infected mind loses common sense...
the climate of a world resembling a sleep during a fever
creative riddles requiring an unconventional approach
refined locations, full of intense, suggestive ambiance
a sincere and complex story told from the depth of the author's heart
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After your payment has been processed, the content will be downloaded to the applicable system linked to your Nintendo Account, or your Nintendo Network ID in the case of Wii U or Nintendo 3DS family systems. This system must be updated to the latest system software and connected to the internet with automatic downloads enabled, and it must have enough storage to complete the download. Depending on the system/console/hardware model you own and your use of it, an additional storage device may be required to download software from Nintendo eShop. Please visit our Support section for more information.
Fever is due to a number of endogenous molecules able to modify the regular temperature. While the activity of pyrexin described by Menkin was possibly due to an endotoxin contamination [4], the fever-producing substance from polymorphonuclear leukocytes of Bennett and Beeson [5] and the endogenous pyrogen of Atkins and Wood [6] were sound candidates, now recognized as pyrogenic cytokines. Many inflammatory cytokines, including IL-1, TNF and IL-6, are pyrogenic. IL-6 is the last mediator of the cytokine cascade inducing the production of prostaglandin E2 that acts on the thermoregulatory center within the hypothalamus. It is worth recalling that certain chemokines, such as IL-8 and macrophage inflammatory protein-1, can induce fever independently of any prostaglandin induction [7, 8]. thus, depending upon physiological responses, their relative contribution to fever could affect the efficiency of the antipyretic drugs that prevent prostaglandin production.
What is the physiological role of fever during infection? It is amusing to consider that the demonstration of the beneficial effect of fever was first achieved in cold-blooded animals. Kluger and colleagues showed that housing lizards infected with a bacteria at 42C allowed them to survive, while all died when kept at 34C [9]. Because mice instead undergo hypothermia and fail to maintain fever after bacterial infection, the same approach was performed. Klebsiella pneumoniae peritonitis infection was performed in mice housed at different ambient temperatures to allow a core temperature of 37.5 or 39.7C [10]. The bacterial load was exponential in the peritoneal cavity of mice with no fever and was under control in mice with fever. All mice with no fever died while 50% of those with fever survived. In another peritonitis model performed in sheep, the febrile response resulted in better respiratory function, lower blood lactate concentration and prolonged survival time [11].
In humans, numerous investigators have identified a better outcome among patients who displayed fever. For example, fever was among the factors associated with a decreased mortality in patients with Gram-negative bacteremia [12]. Hospitalized elderly patients who had community-acquired pneumonia with fever and leukocytosis were seven times less likely to die than those who did not show these symptoms [13]. Interestingly, in a study in which the outcome of sepsis was studied as a function of mitochondrial DNA haplogroups, the H haplogroup was found among the patients with the best survival. In this group, the most extreme core temperature observed within the first 24 hours was higher than in the non-H haplogroup [14].
In 1995 Shann already warned the medical community that the use of antipyretics in sepsis could be detrimental [15]. His claim was made with reference to numerous experimental animal models of severe infection in which the use of antipyretic drugs was shown to increase mortality. The work of Egi and colleagues nicely confirms this assertion [1]. It is interesting to point out that when the Kaplan-Meier curve is analyzed over 2 weeks, the outcome is significantly better among patients with fever above 37.5C and below 39.4C (the adjusted odds ratio for 14 days provides the same statistical significance; M Egi and colleagues, personal communication, February 2012). Because fever occurs early during the survey of the patients with sepsis, it makes sense that its effect is easier to identify within this period. The fact that, in contrast, high fever in patients without infection appears detrimental is also a key observation. In this study only a few patients without sepsis received acetaminophen [1]. Although there was no statistically significant difference, still 12.5% of survivors received nonsteroidal anti-infl ammatory drugs versus 2.8% among the nonsurvivors. Altogether, this study illustrates the need to detect as early as possible the occurrence of infection among ICU patients to consider the use of antipyretic drugs.
Finally, because elevated temperature results in a reduction of endotoxin tolerance [16] - a phenomenon that resembles the altered status observed in sepsis patients [17] - it would be of great interest to investigate whether fever is also associated with a less severe immunodysregulation. But let us leave William H Welch (1850 to 1934) to conclude. In 1888, he wrote: 'The fever-producing agents light the fire which consumes them. It is not incompatible with this conception of fever to suppose that the fire may prove injurious also to the patients, and may require the controlling hand of the physician' [18].
The syndrome of periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis (PFAPA syndrome) is the most common cause of periodic fever in childhood. The current pharmacological treatment includes corticosteroids, which usually are efficacious in the management of fever episodes, colchicine, for the prophylaxis of febrile episodes, and other medication for which efficacy has not been proven so far. Tonsillectomy is an option for selected patients. Usually PFAPA syndrome resolves during adolescence, but there is increasing evidence that this condition may persist into adulthood.
Currently the diagnosis of PFAPA is based on clinical criteria [2] (Table 1), but these criteria have not been validated in a cohort of patients. Moreover, Gattorno et al. found that a significant number of patients with monogenic periodic fevers also meet the diagnostic criteria for PFAPA syndrome [10], highlighting the poor specificity of the current classification criteria. Therefore, patients should be screened clinically or genetically for other known periodic syndromes before assigning the diagnosis of PFAPA.
In the largest PFAPA cohort described so far, Hofer et al. found that 147 out of 301 patients were treated with steroids. They observed a rapid resolution of fever episodes after a single dose of steroids in 93/147 patients (63 %), whereas 46 (32 %) showed a partial response and only 8 (5 %) were non-responders [16]. Data from the EUROFEVER registry confirm the widespread use of steroids for disease flare, with 81 out of 92 patients treated at the onset of attacks, and their effectiveness in 73 patients (90 % of those treated) [13]. Wurster et al. described a cohort of 60 patients in which 44 patients were treated with steroids during episodes and the treatment was effective in 37 (84 %) [17].
Tasher et al., in their uncontrolled series, described that a single low dose of prednisone (mean 0.6 mg/kg per day) was effective to rapidly resolve the fever episode within an average of 10 h in 51 out of 54 PFAPA patients [18]. The effectiveness of a single low dose of prednisone was confirmed in a preliminary study performed by Yazgan et al., that did not show any statistical significance in efficacy between a dose of 2 mg/kg/day versus a dose of 0.5 mg/kg/day respectively in 40 and 46 PFAPA febrile attacks [19].
These findings suggest that colchicine may be an effective second line treatment to prevent frequently recurrent fever episodes in PFAPA patients, in particular if prednisone is decreases the interval between episodes.
IL-1 plays a central role in PFAPA pathogenesis, as demonstrated by Stojanov et al. [3]. In a small cohort of 5 children with PFAPA syndrome a single dose of anakinra, on the second day of fever, dramatically improved both clinical picture and laboratory parameters [5]. Cantarini et al. described a case of a 27-year-old man resistant to conventional therapy (corticosteroids, colchicine, and tonsillectomy) who was treated with subcutaneous injection of anakinra, with a complete resolution of fever attacks [28]. Despite these interesting reports, the use of IL-1 blockers for PFAPA treatment is restricted to selected cases due to the lack of both randomized trials as well as coverage by health care plans. 2ff7e9595c
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