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  • 1
    Electronic Resource
    Electronic Resource
    The identification of coordination constraints across planes of motion (1999)
    Springer
    Experimental brain research 128 (1999), S. 250-255 
    Details
    ISSN: 1432-1106
    Keywords: Key words Bimanual rhythmic movement ; Interlimb coordination ; Planes of motion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Two dominant coordination constraints have been identified during isofrequency conditions in previous work: the egocentric constraint, i.e., simultaneous activation of homologous muscle groups, and the allocentric constraint, i.e., moving the segments in the same direction in extrinsic space. To verify their generalization, bimanual drawing movements were performed in different planes of motion (transverse, frontal, sagittal, frontal-transverse) according to the in-phase and anti-phase mode along the X- and Y-axes. Convergent findings were obtained across the transverse, frontal, and frontal-transverse planes. The in-phase mode along both axes was performed most accurately/consistently, whereas the anti-phase mode resulted in a deterioration of the coordination pattern and this effect was most pronounced when the latter mode was introduced with respect to both dimensions. For sagittal plane motions, the in-phase mode was again superior but the second most optimal configuration was the anti-phase mode along both axes. This finding was hypothesized to result from the familiarity with the pattern since it resembles cycling behavior. It illustrates how cognitive mapping is superimposed onto the dynamics of interlimb coordination. Overall, these results support the presence of both the egocentric and allocentric constraint during bimanual movement production.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002210050845
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  • 2
    Electronic Resource
    Electronic Resource
    Immunogenicity and reactogenicity of a Haemophilus influenzae type b tetanus conjugate vaccine when administered separately or mixed with concomitant diphtheria-tetanus-toxoid and acellular pertussis vaccine for primary and for booster immunizations (1998)
    Springer
    European journal of pediatrics 157 (1998), S. 208-214 
    Details
    ISSN: 1432-1076
    Keywords: Key wordsHaemophilus influenzae type b ; Acellular pertussis ; Vaccination ; PRP-tetanus ; Diphtheria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract With an increasing number of new vaccines available for routine childhood immunization, combination vaccines are needed in order to maintain or achieve a high compliance with recommended immunization programmes. In a prospective, randomized, comparative, multi-centre study, 822 healthy infants were enrolled to receive three doses of either a candidate or a commercially available Haemophilus influenzae type b (Hib) vaccine concomitantly with diphtheria-, tetanus- acellular pertussis (DTaP) vaccine. Study subjects were randomly allocated to one of the following groups: (1) separate, or (2) mixed injection of DTaP and candidate Hib vaccine, or (3) separate injection of DTaP and commercial Hib vaccine. One year later the first 189 study subjects received either separate or mixed injections of the same Hib and DTaP vaccines as booster doses. Evaluation of reactogenicity was based on diary cards completed by parents. Immunogenicity was documented by measuring IgG antibody concentrations in serum samples taken before and 4 weeks after primary and booster vaccination. No serious adverse events occurred and most local and systemic reactions were mild to moderate. Booster doses were more reactogenic than primary doses with all groups. Antibody concentrations against pertussis antigens were similar to those seen with DTaP alone. All but one subject had protective antibody concentrations against diphtheria and tetanus. Primary immune response to the Hib vaccine was significantly lower in the group receiving the mixed Hib-DTaP vaccine, however, ≥95% of vaccinees had anti-Hib antibody concentrations ≥0.15 μg/ml and there was a marked booster response (〉100-fold) in all groups. Conclusions Mixing DTaP and Hib vaccines for primary immunization caused a decrease in anti-Hib antibody response, although after primary immunization as after booster doses, all subjects showed antibody concentrations considered to be protective for invasive Hib disease. Mixing of the vaccines did not result in increased reactogenicity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004310050797
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  • 3
    Electronic Resource
    Electronic Resource
    Factors influencing the spread of pertussis in households (1998)
    Springer
    European journal of pediatrics 157 (1998), S. 391-394 
    Details
    ISSN: 1432-1076
    Keywords: Key words pertussis ; attack rate ; household ; adult ; erythromycin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The objective of this study was to compare the spread of pertussis in children and adults being secondary contacts after household exposure. The study was nested in an efficacy trial of an acellular pertussis vaccine. The spread of the disease was also monitored with respect to gender and antibiotic therapy. A total of 453 index cases, of which 133 were monitored for adult disease, fulfilled the WHO definition of pertussis. They had contacts to 173 unvaccinated children aged 6–47 months, and a total of 101 adults with pertussis were followed. Detection of the bacteria, or a significant increase of specific antibodies confirmed the diagnosis. Secondary spread of the disease was assumed, when a household member coughed for 7 days or more and had laboratory evidence for pertussis. Crude attack rates (AR) were 69% in children and 31% in adults (P 〈 0.05). AR in children were independent of gender but more women than men (P = 0.02) were affected in those households where the index case was a child. Erythromycin treatment of the index case reduced the AR in exposed toddlers from 80% to 57% (P = 0.06), and in exposed adults from 40% to 21% (P= 0.2). Erythromycin therapy in contacts did not alter the clinical course of the disease significantly. Conclusions In a household study of pertussis, 69% of children and 31% of adults (more women than men) contracted the disease. Erythromycin reduced the number of infections in household contacts, but did not alter the clinical course in those who contracted pertussis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004310050836
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  • 4
    Electronic Resource
    Electronic Resource
    Acellular pertussis diphtheria-tetanus-pertussis vaccine containing separately purified pertussis toxoid, filamentous haemagglutinin and 69 kDa outer membrane protein as a booster in children (1993)
    Springer
    European journal of pediatrics 152 (1993), S. 478-483 
    Details
    ISSN: 1432-1076
    Keywords: Pertussis ; Acellular ; Vaccine ; Booster ; DTP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In two double-blind, randomized, comparative studies involving a total of 218 children, an acellular pertussis (DTPa) vaccine containing diphtheria and tetanus toxoids and pertussis components filamentous haemagglutinin (FHA), pertussis toxoid (PT), and 69 kDa outer membrane protein (69 kDa OMP) was administered as a booster to 17-month-old and 5-year-old children with a history of routine whole-cell diphtheria-tetanus-pertussis (DTPw) vaccination. The control groups in these studies received DTPw vaccine. Among 17-month-old toddlers, significantly lower proportions of DTPa vaccine recipients had local pain (7.3%), redness (14.5%) and swelling (9.1%) than DTPw vaccine recipients (23.6%, 30.9% and 23.6%, respectively). A trend toward fewer local reactions was also seen in 5-year-old children vaccinated with DTPa in private practice and public clinics although differences were not statistically significant. Fever (rectal temperature ≥38°C) was reported more frequently for DTPw vaccine recipients in both age groups. White no differences existed between groups in terms of geometric mean antibody titres (GMTs) prior to booster vaccination, anti-PT antibody GMTs were higher among DTPa vaccine recipients than among DTPw vaccine recipients after booster vaccination. The difference was statistically significant in 5-year-old subjects. Furthermore, significantly higher anti-FHA and anti-69 kDa OMP GMTs were seen in DTPa vaccine recipients in both age groups. In pre-vaccination seropositive subjects and in pre-vaccination seronegative subjects the rate of immune response to pertussis antigens was higher for DTPa than for DTPw vaccine recipients with the exception of the rate of response induced to 69 kDa OMP in 5-year-old children. The lower frequency of side-effects and similar or greater immunogenicity of DTPa vaccine when used as a booster in subjects primed with DTPw encourage the introduction of this type of vaccine for the fourth and fifth DTP doses that are routinely administered in many countries.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01955054
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  • 5
    Electronic Resource
    Electronic Resource
    Evidence for induction of polysaccharide specific B-cell-memory in the 1st year of life: plain Haemophilus influenzae type b - PRP (Hib) boosters children primed with a tetanus-conjugate Hib-DTPa-HBV combined vaccine (1996)
    Springer
    European journal of pediatrics 156 (1996), S. 18-24 
    Details
    ISSN: 1432-1076
    Keywords: Key words Haemophilus influenzae type b  ;   Combination vaccine  ;  Immunological memory
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The lack of an adequate immune response to the major polysaccharide of the Haemophilus influenzae type b (Hib) capsule (polyribosyl ribitol phosphate) (PRP) in very young infants (〈 18 months) can be overcome by conjugating PRP to a T-cell dependent carrier protein. We studied whether administration of a tetanus-PRP conjugate vaccine reconstituted with a diphtheria-tetanus-acellular pertussis-hepatitis B (DTPa-HBV) vaccine as a three dose primary course at 3, 4 and 5 months of age induced PRP-specific immunological memory, by examining the anti-PRP response to a dose of unconjugated PRP given with the DTPa-HBV booster approximately 1 year later. The unconjugated PRP elicited protective anti-PRP antibody levels (≥ 0.15 μg/ml) in all but 3 of the 369 vaccinees, including 13 infants who failed to demonstrate a measurable immune response after the primary course. In a sub-cohort of 54 subjects all had anti-PRP levels ≥ 0.5 μg/ml within 7–14 days of the booster showing a rapid anamnestic type response. Both primary and booster responses were predominantly IgG1 indicating a T-cell dependent response. The DTPa-HBV components elicited protective anti-diphtheria, anti-tetanus and anti-HBs antibody levels in ≥ 98.5% of vaccinees, and immune responses to each of the acellular pertussis vaccine components in 92.3%–97.3% of subjects. Conclusion The tetanus-PRP conjugate vaccine not only elicited a good primary humoral response, but also induced immunological memory so that the infants were able to mount a large and rapid immune response to subsequent exposure to plain PRP, indicating that protection against circulating wild-type Hib had been generated. Successful induction of immunological memory occurred even when there was no measurable humoral anti-PRP response to the primary course. Tetanus-PRP conjugate vaccine can be used in combination with DTPa-HBV vaccine, when administered separately or as a single injection in the same syringe, in primary immunisation schedules at 3, 4 and 5 months of age.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004310050544
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  • 6
    Electronic Resource
    Electronic Resource
    Study of pertussis vaccines in infants: Comparison of response to acellular pertussis DTP vaccines containing 25 μg of FHA and either 25 or 8 μg of
    Amsterdam : Elsevier
    Vaccine 12 (1994), S. 210-214 
    Details
    ISSN: 0264-410X
    Keywords: Acellular pertussis vaccine ; DTP vaccines ; dose comparison ; filamentous haemagglutinin ; pertussis toxoid
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0264-410X(94)90196-1
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  • 7
    Electronic Resource
    Electronic Resource
    Interference of oral poliovirus vaccine on RIT 4237 oral rotavirus vaccine (1988)
    Springer
    European journal of epidemiology 4 (1988), S. 121-123 
    Details
    ISSN: 1573-7284
    Keywords: Poliovirus vaccine ; Rotavirus vaccine ; Interference
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A vaccination trial, performed on 86 3-month-old infants, has shown that the ability of the RIT 4237 live attenuated rotavirus strain to induce seroconversion is dramatically reduced when administered with live poliovirus vaccine. In a subsequent trial performed on 93 infants the attempt to overcome the poliovirus interference by administering two doses of associated vaccines was unsuccessful. No interference by the RIT 4237 strain on live attenuated polioviruses was observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00152704
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  • 8
    Electronic Resource
    Electronic Resource
    Evaluation of a Single-Sample Serological Technique for Diagnosing Pertussis in Unvaccinated Children (1999)
    Springer
    European journal of clinical microbiology & infectious diseases 18 (1999), S. 341-345 
    Details
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  This study was performed to evaluate the sensitivity of immunoglobulin (Ig)G and IgA antibodies to pertussis toxin and filamentous hemagglutinin in diagnosing pertussis from a single serum sample. The pertussis group was defined according to the World Health Organization pertussis case definition. The control group coughed for 21 days or more but had no microbiological or serological evidence of Bordetella infection. Both cohorts were divided into infants (〈12 months of age), toddlers (1–4 years) and school children (5–10 years). There were 525 subjects in the pertussis group and 321 in the control group, with an even distribution of genders. IgG and IgA antibodies to pertussis toxin and filamentous hemagglutinin were measured in a standardized enzyme immunoassay. Antibody levels beyond the 95 percentile of the control cohort were regarded as indicative of recent contact, setting the specificity level at 0.95. Acute serum samples drawn between 1 week and 3 weeks after the onset of coughing showed a low sensitivity (2–19%) for diagnosing pertussis. In convalescent samples taken 5–10 weeks after the onset of symptoms, detection of IgG anti-pertussis toxin was the best single test, with a sensitivity of 61%, 65%, and 74% in infants, toddlers and school children, respectively. A combination of IgG anti-pertussis toxin and IgA anti-filamentous hemagglutinin using age-specific reference values had a sensitivity of 81–89% in diagnosing pertussis from a single serum sample taken 5–10 weeks after the beginning of symptoms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00015016
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  • 9
    Electronic Resource
    Electronic Resource
    Symptoms and complications of pertussis in adults (1995)
    Springer
    Infection 23 (1995), S. 139-142 
    Details
    ISSN: 1439-0973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Während viele Berichte belegen, daß Pertussis eine häufige Krankheit auch im Erwachsenenalter ist, gibt es nur wenige Studien zum klinischen Verlauf der Krankheit jenseits der Kindheit. Im Rahmen einer Haushalt-kontaktstudie zum Nachweis der Wirksamkeit einer azellulären Pertussis-Vakzine wurden in einem Studienzentrum mit bekannt niedriger Pertussis-Durchimpfungsrate Erwachsene mit Keuchhusten identifiziert und Symptome erfragt. Innerhalb von 2 Jahren wurden 257 Patienten mit Pertussis in 121 Familien gefunden. Davon waren 79 Erwachsene (30,7%) im Alter zwischen 19 und 83 Jahren (Durchschnittsalter: 36 Jahre). Das Verhältnis männlich zu weiblich betrug 1:1,8. Husten wurde von 91% der Erwachsenen angegeben (durch-schnittliche Dauer: 54 Tage). Er dauerte in 80% der Fälle ≥ 21 Tage an. Inspiratorischer Stridor war selten (8%), dagegen war der Husten häufig von Erbrechen und/oder Würgreiz gefolgt (53%) oder störte den Schlaf der Patienten (52%). Dies ist die erste Studic, in der anfallsweise auftretender Schweißausbruch als Symptom bei Pertussis beschrieben wird (14%). Über pharyngeale Symtome, (37%), Influenza-ähnliche Symptome (30%), Niesanfälle (22%), Heiserkeit (18%), schmerzhafte Sinus (16%) und Kopfschmerzen (14%) wurde ebenfalls berichtet. Komplikationen wurden bei 23% der erwachsenen Patienten beobachtet. Unabhängig vom Alter sollte die mikrobiologische Diagnostik bei allen symptomatischen Kontaktpersonen eines Patienten mit Pertussis und ebenso bei jedem Patienten mit lang anhaltendem Husten konsequent durchgeführt werden, damit die weitere Ausbreitung des Erregers zu einem möglichst frühen Zeitpunkt verhindert werden kann.
    Notes: Summary There is increasing evidence that pertussis occurs frequently in adults, but there is limited information on the clinical course of this disease beyond childhood. A household contact study on the efficacy of an acellular pertussis vaccine was used to study the symptoms of pertussis in adults. Among 257 patients with pertussis identified in 121 families during a two-year period in one study center with a low whole-cell pertussis-vaccine uptake, 79 (30.7%) were adults, aged 19–83 years (mean age: 36 years) with a 1:1.8 male to female ratio. Ninety-one percent of the adults suffered from coughing (mean duration: 54 days), and in 80% this cough lasted ≥ 21 days. Whoops were rare (8%), whereas cough followed by vomiting and/or choking (53%) and cough disturbing sleep (52%) were common. This is the first report to describe sweating attacks as symptom of pertussis (14%). Pharyngeal symptoms (37%), influenza-like symptoms (30%), sneezing attacks (22%), hoarseness (18%), sinus pain (16%) and headaches (14%) were also observed. Various complications were seen in 23% of the patients. In order to minimize the spread of the organism, micro-biological diagnostics should be vigorously applied to all symptomatic contacts of a patient with pertussis but also to all patients with long lasting cough — irrespective of age.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01793853
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