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[Acute skin disease due to staphylococcal infection (author's transl)].

Sixteen children with "scalded skin" due to staphylococcal infections are described [six cases of staphylococcal scarlet fever, 6 cases of bullous impetigo and 4 cases of toxic epidermal necrolysis (Lyell's disease--of which Ritter's disease is only the neonatal manifestation)]. The clinical features of each of these conditions are described, the common feature being the severity of the pathological changes. The role of the exfoliating toxin secreted by the pathogenic staphylococci mostly belonging to phagegroup II, phagetype 3A, 3N, 3C, 55 or 71) is emphasized. Treatment should be aimed at reducing secondary infection by strict asepsis and by eradicating staphylococci with appropriate antibiotic therapy. Corticosteroids have no beneficial effect. The outcome is good if these principles are applied strictly.

Acute Disease↗

Childhood pemphigus initially seen as eosinophilic spongiosis.

The condition of a 3-year-old boy with an intermittent, generalized, bullous eruption was initially diagnosed as (and treated as) bullous impetigo. After a relapse, two skin biopsies were performed. Each biopsy specimen showed the changes of eosinophilic spongiosis. A third biopsy specimen was also examined by direct immunofluorescence microscopy. The specimen showed deposition of IgG in the intercellular region of the epidermis. The patient's serum contained intercellular antibodies in a dilution of 1:160, confirming the diagnosis of pemphigus. A biopsy should be performed in the case of a child with a persistent or recurring bullous eruption; immunofluorescence microscopy of the biopsy is essential.

Child, Preschool↗

[Use of cefroxadine dry syrup in the management of acute skin infections in children (author's transl)].

1. Cefroxadine dry syrup was in principle administered at the dosage of 10 mg per kilogram of body weight 3 times a day. 2. Evaluation was done in 4 grades, i.e. excellent, good, fair and poor. 3. According to subjective judgement by attending doctors, 'excellent' or 'good' was recorded in 90.7%. 4. If the evaluation was partially standardized, 'excellent' or 'good' was obtained in 74.8% of total 163 cases and in 78.7% of 108 impetigo cases. 5. Side effects were observed in 3 cases (diarrhea 1, fever 2). No direct correlation of these complaints with the administration of the present drug was confirmed.

Abscess↗

[Clinical studies on SY5555 in pediatric infections].

Pharmacokinetic and clinical studies on SY5555, a new oral penem antibiotics, were performed in pediatric infections and the following results were obtained. 1. Pharmacokinetics studies Pharmacokinetics of SY5555 was studied in 5 children (5y1m-10y11m) using doses of 5 mg/kg (n = 3) and 10 mg/kg (n = 2). The average peak plasma levels were 0.65 microgram/ml at 1 or 2 hours after administration of 5 mg/kg and 2.12 micrograms/ml at 1 or 2 hours after administration of 10 mg/kg, and the plasma half-lives were 0.81 and 1.08 hours, respectively. Average cumulative urinary recovery rates at 0-6 hours were 2.97 and 3.96%, respectively. 2. Clinical studies SY5555 was administered to 45 patients with various infectious diseases (2 with acute pharyngitis, 8 with acute tonsillitis, 4 with lacunar tonsillitis, 3 each with acute bronchitis, pneumonia and pertussis, 7 with scarlet fever, 3 with impetigo contagiosa, 6 with acute urinary tract infections, 2 with balanoposthitis and 1 each with cervical lymphadenitis, S.S.S.S., vulvitis and acute colitis) at daily doses between 3.4-10 mg/kg, t.i.d., for 3-14 days. Clinical responses were excellent in 27 patients, good in 15 patients, fair in 1 patient, and poor in 2 patients, and the efficacy rate was 93.3%. Causative organisms were examined and 39 strains of 11 species were identified. The eradication rate was 78.9%. Side effects were observed in 1 patient with diarrhea. An abnormal laboratory test value was observed in 1 patient with elevation of eosinophils. The above results suggest that SY5555 may be a very useful and safe drug for the treatment of pediatric infection.

Administration, Oral↗

[Child abuse caused by thermal violence--determination and reconstruction].

UNLABELLED: Problems in the judgement of child abuse due to thermal violence are discussed by means of two examined cases. In a baby dermal lesions in the course of a bacterial infectious disease (bullous impetigo) were first misinterpreted as heat effects (cigarette, hot instrument). In the case of an infant presenting with marked imprints of a hot iron abuse was to be differentiated versus an accidental causation. CONCLUSIONS: In the interpretation of possible thermal injuries in children natural preexisting disorders of the skin should be taken into consideration. In cases of doubt an appropriate clinical diagnosis or a subsequent follow-up examination, respectively, is recommended. Thus, the course of events can be observed and an unjustified incrimination of persons having custody is avoided.

Accidents, Home↗

Some clinical features of pediculosis among school children.

Pediculosis is one of the most conspicuous and important type of contagious disease among school children. Lice infestation is always accompanied with different clinical manifestations. Thirty lousy school children were clinically examined. The common manifestation was pruritus with or without lymphadenopathy. The least common manifestation was erythema. Other manifestations as excoriation, bite reaction, impetigo contagiosa, crusts behind ears. Conjunctivitis and psoriasis were also seen. It was concluded that school children are the group at high risk for lice infestation.

Animals↗

[Clinical studies of cefditoren pivoxil in pediatric field].

We have carried out clinical studies on cefditoren pivoxil (CDTR-PI, ME1207) in granules. The results are summarized as follows. Treatment with CDTR-PI was made for 14 cases of pediatric bacterial infections: 4 cases of tonsillitis, 2 cases of pneumonia, 3 cases of scarlet fever, 3 cases of impetigo, 1 case of subcutaneous abscess and 1 case of urinary tract infection. Results obtained were excellent in 12 cases, good in 1 case and poor in 1 case. No significant side effects due to the drug were observed.

Bacterial Infections↗

The staphylococci. Importance of their control in the management of skin disease.

For skin diseases such as impetigo and furunculosis in which infection with S. aureus is the primary pathologic event, control of that infection is obviously paramount in the management of the clinical situation. The available antistaphylococcal agents are highly effective, and topical mupirocin has been a valuable recent addition. In conditions such as AD the position is less clear. Because the presence of the underlying disease is a prerequisite for the staphylococcal colonization, the exact role of staphylococcal damage is difficult to separate from the underlying disease activity. The definitive experiment, whereby staphylococcal colonization is eradicated over a prolonged period of time by a nonirritant method, remains to be performed. Until that time it is reasonable to pursue a policy of treating S. aureus colonization when it is believed to be of clinical significance and not simply on the basis of bacteriologic findings.

Dermatitis, Atopic↗

Cutaneous herpes simplex virus, type I, in association with Staphylococcus aureus in an infant.

A 9-month-old infant was diagnosed as having impetigo of the central face. Her clinical condition deteriorated despite treatment with intravenous antibiotics. Viral and bacterial cultures grew herpes simplex virus type I and Staphylococcus aureus, respectively. The patient's condition improved rapidly with antiviral treatment in combination with antibiotics. Recognition of the possibility of a combined viral and bacterial infection is important so that adequate treatment is not delayed.

Facial Dermatoses↗

[Clinical evaluation of azithromycin in pediatric infections].

Azithromycin (AZM) was studied for its clinical efficacy in pediatric infections. The study on AZM was carried out in 43 patients whose diagnoses were given as follows: pharyngitis in five cases, tonsillitis in one, bronchitis in four, pneumonia in four, Mycoplasma pneumonia in 14, scarlet fever in nine, impetigo in four, pyodermia in one and Campylobacter enteritis in one. The patients received AZM once daily at 1.6 approximately 20.0 mg/kg body weight for three to five days. Effectiveness of AZM was evaluated in 39 cases and the drug was rated "excellent" in 15, "good" in 19, "fair" in one, "poor" in four, resulting in an efficacy rate of 87.2%. Twenty bacterial isolates were identified as causative isolates in 19 patients: Staphylococcus aureus, Streptococcus pyogenes, Streptococcus pneumoniae, Haemophilus influenzae, Campylobacter jejuni and Mycoplasma pneumoniae. AZM eradicated 16 isolates but four persisted after therapy. One patient complained of loose stool, while two patients were found with decreases in white blood cell counts, and seven showed increases in eosinophils. However, no serious case of adverse event was reported.

Administration, Oral↗

End of the century overview of skin blisters.

A wide spectrum of diseases of the skin are manifested as a blistering process. Blistering may occur as a secondary event associated with viral or bacterial infections of the skin, eg, herpes simplex and impetigo, or with local injury of the skin, eg, burns, ischemia, and dermatitis. In other diseases, blistering of the skin occurs as a primary event and is associated with tissue injury and fluid accumulation within a specific layer of the skin: intraepidermal, dermal-epidermal junction, or subepidermal. Blister formation in this latter group of diseases is due to either genetic mutation or an autoimmune response. Genodermatoses associated with blisters are typically manifested in the neonate, whereas the autoimmune blistering disorders are acquired and usually expressed later in life. Recent advances have uncovered the relevance of the keratinocyte cytoskeleton, the desmosome, the hemidesmosome, and extracellular matrix proteins in blister formation. A pathogenetic classification of blistering diseases is presented.

Blister↗

Potential therapeutic applications of magainins and other antimicrobial agents of animal origin.

Magainins are a family of linear, amphipathic, cationic antimicrobial peptides, 21 to 27 residues in length, found in the skin of Xenopus laevis. They kill microbial targets through disruption of membrane permeability. They exhibit selectivity, on the basis of their affinity for membranes which contain accessible acidic phospholipids, a property characterizing the cytoplasmic membranes of many species of bacteria. Magainins are broad-spectrum antimicrobial agents exhibiting cidal activity against Gram-negative and Gram-positive bacteria, fungi and protozoa. In addition these peptides lyse many types of murine and human cancer cells at concentrations 5-10-fold lower than normal human cells. Because of their selectivity, broad spectrum, low degree of bacterial resistance and ease of chemical synthesis, magainins are being developed as human therapeutic agents. The most advanced candidate is MSI-78, a 22-residue magainin analogue. This peptide is currently in human Phase IIb/III clinical trials in studies intended to evaluate its efficacy as a topical agent for the treatment of impetigo. Preclinical studies have demonstrated that analogues of magainin exhibit activity in vivo against malignant melanoma and ovarian cancer cells in mouse models. Intravenous administration of several magainin analogues has been shown to treat effectively systemic Escherichia coli infections in the mouse.

Amino Acid Sequence↗

Occipital lesions: a possible cost of cradleboards.

This examination of a Mimbres-Mogollon pueblo skeletal sample reveals a surprising percentage of individuals with occipital lesions. Each lesion is located in the approximate center of the squama immediately superior to the external occipital protuberance. Notably, no child over the age of 1 year exhibits a lesion that would have been active at the time of death, but a number of older children and adults exhibit evidence of healed lesions in this same area on the occipital. The restricted nature of these lesions, in terms of both their locations and ages of those actively affected, suggests that the use of cradleboards may have been at least a contributing, if not initiatory, factor in their creation. Specifically, this study suggests that the pressure and friction of an infant's head against a cradleboard may have 1) produced ischemic ulcers, 2) produced the conditions favorable for bacterial infections such as impetigo or carbuncles, or 3) complicated the treatment of other infections appearing on the back of the scalp.

Anthropology, Physical↗

Streptokinase gene polymorphism in group A streptococci isolated from Ethiopian children with various disease manifestations.

Certain variants of streptokinase from group A streptococci have been associated with acute post-streptococcal glomerulonephritis (APSGN). The streptokinase gene (ska) has previously been grouped into nine different polymorphic genotypes of which ska1, ska2, ska6, and ska9 were identified in group A streptococci associated with clinical and experimental APSGN. A total of 53 group A streptococci isolated from Ethiopian children: five from acute rheumatic fever, 18 from APSGN, ten each from tonsillitis, impetigo and healthy carriers, were analyzed for ska gene polymorphism using polymerase chain reaction (PCR) and restriction enzyme analysis. The frequency of the nephritis-associated streptokinase genotypes was 83% among the APSGN isolates and 74% in the non-ASPGN isolates. ska2 was the most commonly found genotype with a frequency of 64% among all isolates, 66% among the APSGN isolates, and 63% among the non-APSGN isolates. ska1 was identified in 13% among all isolates and 17% among the APSGN isolates. Seventeen non-APSGN isolates from Scandinavian countries were studied for comparison and all carried either ska1 or ska2. The other nephritis-associated ska6 and ska9 were not detected among the 53 Ethiopian isolates. ska1 was exclusively associated with serum opacity reaction (SOR) producers. ska2 was evenly distributed among SOR-positive and SOR-negative isolates. The other genotypes were detected only among SOR-negative strains. The findings of the present study showed an even distribution of the nephritis-associated streptokinase gene among group A streptococcal isolates with no correlation to disease pattern. Thus additional factors must also be operative in the pathogenesis of APSGN.

Acute Disease↗

Insertional mutation of the hairless locus on mouse chromosome 14.

Crosses between heterozygous transgenic mice from line 5053 produced offspring with progressive irreversible hair loss beginning at day 19. With increasing age, the skin of these animals became thicker and plicated in appearance. Histological analysis revealed the complete absence of normal hair follicles and numerous intradermic cystic structures, which enlarged with time and became filled with keratinaceous material. Test crosses demonstrated that the affected animals are homozygous for the transgene insertion. The clinical and histological phenotype of the new mutant closely resembles that of the rhino allele at the hairless locus on Chromosome (Chr) 14. Complementation tests and linkage analysis indicate that the transgene has interrupted the hairless locus. It has been demonstrated previously that mutation at the hr locus is accompanied by a variety of immune deficiencies. Many of the older affected transgenic mice developed an impetigo-like skin eruption which responded to antibiotic ointment and which may reflect impaired immune function. The transgenic allele, hrTgN5053Mm, will be useful for identification of the transcription unit of the hairless locus.

Alleles↗

[Pruritus in childhood. A diagnostic and therapeutic challenge].

From the clinician's point of view, pruritus in children is quite frequent. It mainly occurs along with dermatoses but rarely with systemic diseases such as renal and liver failure or with genetic disorders. Mostly, it appears in the setting of atopic dermatitis (AD). Other frequent differential diagnoses comprise e.g. scabies, impetigo, varicella, tinea, urticaria, mastocytosis and psoriasis. In children, pruritus is most often associated with severe scratching leading to artefacts. This group of patients requires a therapeutical regimen of its own. The use of topical and systemic treatments depends on the underlying aetiology of pruritus and the stage and status of the skin. The physician has to consider that topically applied drugs may cause intoxication due to the different body volume/body surface proportion, especially in newborns and infants. The dosages of systemic drugs need to be adapted in children and UV phototherapy should be performed with caution due to possible longterm photo damage of the skin. Physicians feel more insecurity treating pruritus in children, especially when systemic treatments are taken into consideration. We want to highlight the major aetiologies of pruritus in children and point out the cornerstones of antipruritic therapy in this challenging group of patients in recognition of our own clinical experiences and the current literature.

Adolescent↗

[Chronic bullous dermatosis in childhood. Association with salmonella enteritis].

We report on a 2-year-old girl with chronic bullous disease of childhood (CBDC). Concomitantly with a feverish gastrointestinal infection caused by Salmonella enteritidis, the child presented with lesions resembling impetigo contagiosa on the legs and face. Following antibiotic treatment with cephalosporins p.o. and flucloxacillin i.v. she developed typical symptoms of CBDC, i.e. tense blisters on erythematous skin in the perineal area, on the flexor aspects of the thighs and upper arms and on the face. Direct immunofluorescence revealed a linear IgA deposition along the basement membrane zone, confirming the diagnosis of CBDC. These lesions cleared rapidly after treatment with dapsone p.o. This case prompted us to consider new aspects of the pathogenesis, clinical entity and treatment of this rare bullous disease of childhood.

Anti-Bacterial Agents↗

Zinc-deficiency dermatitis in breast-fed infants.

We report ten infants (mean gestational age: 30 weeks; range: 25 to 40 weeks) with zinc deficiency dermatitis who developed erosive, impetiginized periorificial dermatitis at 10 weeks of age (corresponding to a mean gestational age of 41.4 weeks, with a range of 36-44 weeks), but who were otherwise well. Cutaneous symptoms were initially misdiagnosed as eczema or impetigo in 8/10 (80%) children who received either topical (4/8) and/or systemic (6/8) antibiotics. Topical corticosteroids were applied in 4/10 infants for a mean time of 4 weeks (range: 2 to 5 weeks) before the correct diagnosis was established by decreased serum zinc levels; skin atrophy (telangiectasia, thinning) as a complication of topical steroid treatment (class II steroids) was observed in two infants. All children responded to oral therapy with zinc sulfate or zinc gluconate (1.5-4 mg/kg/d). Skin lesions started to clear within 24 h after the initiation of therapy and had completely cleared in all infants after 14 days of therapy (range: 3-14 days). We conclude that nutritional zinc deficiency is a frequently misdiagnosed problem in thriving, fully breast-fed preterm babies. It is attributable to the decreased zinc content of human milk as compared to cow's milk, and the increased demand of zinc in rapidly thriving preterm infants. It seems advisable to routinely check serum zinc levels in fully breast-fed preterm infants who do not receive regular oral zinc supplementation once they reach a gestational age of 40 weeks.

Breast Feeding↗