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 172,036 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The neuropsychiatric sequelae of chronic Lyme disease remains unclear. This study sought to characterize the psychological status of a group of participants who met criteria for post-Lyme syndrome (PLS). These measures were then used to examine the influence of psychological status on neuropsychological performances. Thirty PLS participants completed a structured psychiatric interview, the Positive and Negative Affect Schedule, the Lyme Symptom Checklist, and a battery of neuropsychological tests. As a group, the PLS participants did not appear to have an elevated incidence of psychiatric disorders, and psychiatric history was not useful for understanding neuropsychological performances or symptom reports. The mood of the PLS participants was characterized by lowered levels of positive affect (PA) and typical levels of negative affect. This combination can be distinguished from depression and is consistent with previous findings of affect patterns in individuals with chronic fatigue syndrome. PA was also linked to both total symptom severity and severity of cognitive complaints, but not to duration of illness, neurological manifestations at initial diagnosis, or treatment history. Relative to published normative data, neuropsychological performances were not in the impaired range on any measure. Neither psychological status nor symptom report were useful for understanding any aspect of cognitive functioning. It is concluded that decreased PA is the most useful marker of psychological functioning in PLS.
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PMID:Psychological states and neuropsychological performances in chronic Lyme disease. 1038 67

Although several studies have suggested that cognitive slowing is a symptom in Lyme disease, it is not clear whether this slowing is general or relates to specific cognitive tasks. This study examined cognitive speed in 25 Lyme disease patients using a mental arithmetic task. These patients showed significant impairments when initiating the cognitive processes involved in counting, but performed as well as healthy participants (n = 23) when the number of counting increments increased. Lyme patients also performed a speeded perceptual-motor matching task as well as healthy participants. Lyme-related initiation speed deficits were significantly correlated with performance on standardized neuropsychological tests, including the Trail Making Test and the Digit Symbol Test, but not with self-reported depression. These results suggest that the cognitive deficits seen on speeded tasks are process specific in the Lyme patient group, and are not the result of generalized slowing.
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PMID:Does process-specific slowing account for cognitive deficits in Lyme disease? 1038 68

Although subjective complaints of word finding and naming deficits are commonly reported by patients with Lyme Borreliosis (LB), the existence of these disturbances has not been thoroughly investigated. Forty-four patients with LB and 43 healthy controls were administered a symptom questionnaire, the Boston Naming Test (BNT), the Controlled Oral Word Association Test (COWAT), and a series of category naming tasks. LB patients had a higher rate of complaints of word-finding disturbance (55% vs. 14%). Lower mean scores were observed on the BNT, but not on the COWAT, nor on category naming tasks. Thirty-six percent of the LB sample exhibited BNT scores in the impaired range. BNT scores in this group were correlated with a measure of memory retrieval, but not with verbal fluency indexes. There was no relation between naming scores and depression. LB patients exhibit impairments in word finding that appear to be secondary to a generalized retrieval deficit.
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PMID:The neuropsychological examination of naming in Lyme borreliosis. 1038 69

The efficacy of intravenous ceftriaxone, 2 g per day for 30 days, was evaluated in a case series of 18 consecutive patients who met strict criteria for Lyme encephalopathy. Months to years after classic manifestations of Lyme disease, the 18 patients presented with memory difficulty, minor depression, somnolence, or headache. Sixteen (89%) had abnormal memory scores; 16 (89%) had cerebrospinal fluid (CSF) abnormalities, and all 7 patients tested had frontotemporal perfusion defects on single photon emission computed tomographic (SPECT) imaging. Six months after treatment, memory scores in the 15 patients who completed the study according to protocol were significantly improved (P<.01). In the 10 patients who had follow-up CSF analyses, total protein levels were significantly lower (P<.05). In the 7 patients who had SPECT imaging, posttreatment perfusion was significantly better (P<.01). Twelve to 24 months after treatment, all 18 patients rated themselves as back to normal or improved. We conclude that Lyme encephalopathy can be treated successfully with ceftriaxone.
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PMID:Successful treatment of Lyme encephalopathy with intravenous ceftriaxone. 1039 52

In recent years in Poland, the interest has increased in studies about tick borne diseases, mainly Lyme borreliosis. Immune response and genotype of pathogen play an important role in the course of this disease. Phagocytic cells, especially PMN are dominant in defence mechanisms against bacterial infections. The main feature of PMN is their ability to destroy pathogenic microorganisms by phagocytosis. The aim of this study was to estimate the phagocytic activity of PMN connected with intracellular respiratory burst in patients with Lyme borreliosis. The PMN activity tests completed were: phagocytosis, spontaneous and reduced of nitrotetralizate blue test (NBT). Decreased phagocytic activity and oxygen metabolism of PMN from patients with borreliosis in comparison with values of controls were found. Normalization of these parameters after treatment was observed. Changed phagocytic activity connected with intracellular oxygen metabolism during the course of therapy was the main observation. Depression of phagocytic activity of PMN connected with oxygen metabolism can influence defence reactions in patients with Lyme borreliosis. It is suggested that changes observed are acquired and associated with Borrelia burgdorferi presence.
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PMID:[Bactericidal properties of neutrophils from peripheral blood (PMN)of patients with Lyme borreliosis]. 1110 90

Although neurologic Lyme disease is known to cause cognitive dysfunction in adults, little is known about its long-term sequelae in children. Twenty children with a history of new-onset cognitive complaints after Lyme disease were compared with 20 matched healthy control subjects. Each child was assessed with measures of cognition and psychopathology. Children with Lyme disease had significantly more cognitive and psychiatric disturbances. Cognitive deficits were still found after controlling for anxiety, depression, and fatigue. Lyme disease in children may be accompanied by long-term neuropsychiatric disturbances, resulting in psychosocial and academic impairments. Areas for further study are discussed.
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PMID:A controlled study of cognitive deficits in children with chronic Lyme disease. 1174 19

From the early 90-ties there is a growing number of patients suffering from Lyme Disease all over the world, including Poland. Lyme Disease is the disorder connecting physicians of various specialties. The authors reviewed literature on mental disorders in Lyme Disease during different stages and in different types of illness. Mental disorders are part of clinical picture of the acute stage of Lyme Disease, and could also be its sequel. The most commonly found mental disorders are: encephalopathy, other cognitive disorders, mood disorders (depression), anxiety disorders and less often: psychotic disorders and eating disorders (anorexia nervosa).
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PMID:[Mental disorders in Lyme disease]. 1185 24

Lyme disease is currently the most common vector-borne illness in the United States. The disease is multisystemic, and chronic disease, in particular, may be associated with neuropsychological deficits. However, to date, only a few empirical studies exist, which examine the neuropsychological sequelae associated with chronic Lyme disease. A review of the literature shows that the deficits observed in adults with chronic Lyme disease are generally consistent with the deficits that can be seen in processes with primarily frontal systems involvement. These observations are generally consistent with neuroradiologic findings. The clinical presentation in chronic Lyme disease and the nature of the neuropsychological deficits are discussed, as are several central issues in understanding neuropsychological functioning in chronic Lyme disease, such as the impact of chronic illness, response to treatment, and the relationship between neuropsychological performance and depression, fatigue, and neurological indicators of disease.
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PMID:Neuropsychological functioning in chronic Lyme disease. 1242 15

Lyme Disease (Borreliosis) is a multisystem inflammatory disease caused by the spirochete Borrelia burgdorferi, transmitted by the bite of ixodes infected ticks. We would like to present our experience with the treatment of borreliosis in collaboration with the Warsaw Medical Academy's Department of Infectious Disease. Fifty-nine children (aged between 14 months to 16 years) were hospitalized or ambulatory treated due to borreliosis during 5 years between 1997 and 2001. Erythema migrans was observed in 50 cases. The main localisations of erythema were: face, neck and chest. One patient showed erythema in several other localisations. Erythema migrans returned in two cases after therapy with Amoxicillin in one case at 6 months, in the other one 12 months later. The incubation period of erythema migrans in children varied from 4 to 30 days. Seven cases from the 59 occurred with central nervous system manifestations. These were children between 6 and 16 years of age. The most frequent (65.5%) clinical manifestations of the central nervous system were meningitis and facial nerve palsy, depression and headaches were observed in 6% of cases. In one case admission to hospital was the result of leucopaenia (2800/mm3), bradycardia, headache and fatigue. The positive serologic test results (Elisa assay) were confirmed in two independent laboratories. We had one patient (5 years old boy) with arthritic manifestations. The diagnosis of Lyme disease was based on clinical manifestations and positive serologic test results (Elisa assay). In the acute stage Elisa assay was positive in 33% only. The erythema migrans cases received treatment with Amoxicillin for two weeks, whilst patients with neuroborreliosis were treated for 4 weeks with Ceftriaxon.
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PMID:[Borreliosis in children - clinical manifestation, diagnosis and treatment]. 1313 Jan 69

Human babesiosis, caused by parasitic protozoa of erythrocytes, has escaped usual associates--lower mammals. Thriving in tick guts, it has spread inland from the coasts of America, adopting mankind as a host. Babesia spp. threaten life quality of unsuspecting humans in quickly expanding territories worldwide, including the state of Pennsylvania, USA. The causative spirochetes of Lyme disease often similarly co-exist in ticks. Singly or together they may, by causing persistent and chronic infections, duplicate any symptom in the medical literature--including depression and hypochondriasis. Physicians practicing throughout Pennsylvania have identified patients with symptomatic babesiosis, but without governmental surveillance or health registries that require doctors to consider and report babesiosis, these cases have not prompted epidemiological concern. Misunderstandings such as, "Isn't that an obscure tropical disease?" are usual responses when doctors are asked about babesiosis, inadvertently trivializing patients and disease. Mandatory reporting of babesiosis should now be considered a medical necessity.
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PMID:Human babesiosis--an unrecorded reality. Absence of formal registry undermines its detection, diagnosis and treatment, suggesting need for immediate mandatory reporting. 1532 4


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