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Biomedical subjects

A Sojo Aguirre

Publications and source records attributed to A Sojo Aguirre.

13 recordsLinked to original sources
PubMed2005

[Terminal ileitis due to Yersinia enterocolitica in infants].

Yersinia enterocolitica infection presents a wide clinical spectrum; in infants and young children it usually presents as uncomplicated acute diarrhea, while in older children and adolescents it more frequently presents as terminal ileitis and/or mesenteric adenitis. We describe two infants who developed terminal ileitis complicating Y. enterocolitica infection, which is exceptionally rare. The clinical, laboratory and radiologic findings are described and ultrasound study is emphasized as a simple and reliable tool for investigation of terminal ileitis.

Crohn Disease↗
PubMed1997

[Parvovirus B19 as infectious agent in infants].

OBJECTIVE: Since its casual discovery and implication as a human pathogen that provokes transitory aplastic crises and infectious erythema, the B19 parvovirus has been related to a wide spectrum of diseases. To better understand this clinical diversity, we reviewed the cases of a serology positive infants admitted to the hospital. PATIENTS AND METHODS: From January 1992 to June 1995, all clinical charts were reviewed and we obtained 15 patients that had positive IgM antibodies by immunoenzyme assay. RESULTS: The mean age was 12.2 months. No sex differences were seen. The incidence was higher in winter months. Over 50% of the patients belong to the last year studied. Clinical findings included 5 cases of arthritis (one juvenile rheumatoid arthritis, one polyarticular syndrome and 3 nonspecific forms), hematology disturbances in 5 cases (1 case of erythrophagocytosis, 1 of thrombocytopenic purpura, 2 of anemia and 1 chronic neutropenia), 3 cases of febrile syndrome, 1 liver dysfunction, and 1 neuromyelitis. Complementary exams were not significant and follow-up in all infants was satisfactory. CONCLUSIONS: The B19 parvovirus, a poorly understood virus, is related to many clinical situations where is true significance remains unknown.

Age Distribution↗
PubMed1992

[Celiac disease and short stature in children].

Celiac disease (CD) is a known cause of short stature and sometimes, this is its only symptom. The aim of this work was to determine the incidence of CD in children with short stature. We studied 178 infants with short stature and with no gastrointestinal symptoms. Serum IgA antigliadin antibodies were determined in all of them. We found a pathological titer in ten of these patients. Peroral intestinal biopsy was performed on these children, with nine showing no alterations and only one having subtotal villus atrophy that was compatible with CD. Therefore, the incidence of CD in this population is about 0.56%, which is much lower than the incidence shown by other authors.

Adolescent↗
PubMed1991

[Celiac disease. Is its clinical pattern changing?].

Celiac disease (CD) is one of the most malabsorption syndromes in Pediatrics, its diagnosis being based on peroral intestinal biopsy. During the period 1974-1988 we have studied 178 patients with the suspected diagnosis of CD: diagnosis was confirmed in 117 whereas 22 are still under study. Mean age of the patients was 22.5 +/- 22.7 months, diagnosis being made during the first year of life in 32.6% of cases. Most cases had a classic clinical onset, although over the last year symptoms seen to be less apparent. Several patients presented with atypical forms. Also, associated diseases are observed in several cases. CD is often presented nowadays with few or atypical symptoms of difficult diagnosis and in this context the use of immunologic markers may be specially helpful.

Celiac Disease↗
PubMed1991

[Incidence of celiac disease in Vizcaya].

Celiac disease (CD) is a permanent gluten-sensitive enteropathy appearing in individuals genetcally predisposed. Its incidence varies according to the authors, but is situated about 1/1.500 alive newborn infants (ANI). Recently, a decreased in the incidence of the disease as well as a delay in the onset of symptoms have been reported in several countries. The incidence of the disease in Spain is unknown so we have studied it in our population. In the period 1976-1987, 117 patients were suspected to have CD in the different centers performing intestinal biopsies in Vizcaya. Diagnosis was confirmed in 87 cases, thus implying an incidence of 1/2.151 ANI. Age onset has been stable along the years, and most cases continue to be diagnosed during the first 2 years of life.

Biopsy↗
PubMed1990

[Increased survival rates of children with cystic fibrosis].

Seventy-two patients with cystic fibrosis were under care between January 1st 1972 and December 31st 1988, and 75 until now (July 1989). Fifty are alive, 24 died and 1 was lost to follow-up. The number of alive patients under control at the end of every year rose from 5 in 1972 up to 47 in 1988 and 50 at present. In order to assess the progress of survival rates, we compared two periods: 1972-1980 and 1981-1988. Twenty-eight were under control during the first period and 16 (57%) died, these figures for the second period being 55 and 8 (14%) (p 0.001) respectively. A remarkable increase in cumulative survival rates during the second period was observed at ages 1 (96% vs 68%), 5 (94% vs 55%) and 10 (86% vs 28%). Greater experience and closer follow-up, together with more aggressive treatment are likely to account for the increase in survival. It is vital that reference cystic fibrosis centers should be set-up in our country for the management of so complex a disease as 'cystic fibrosis.

Adolescent↗
PubMed1990

[Familial hemophagocytic lymphohistiocytosis: survival of a case treated by polychemotherapy].

A case of familial hemophagocytic limphohistiocytosis (FHLH) is presented in a 16 months old infant, with clinical picture of prolonged fever, cutaneous purpura, generalized lymphadenopathy and progressive hepatosplenomegaly and laboratory of severe pancytopenia, hypofibrinogenemia and hypertriglyceridemia, with elevation of the pre-beta fraction in the lipidogram, all this compatible with this disease. She also showed bone marrow and ganglionar biopsy infiltrated by histiocytic cells with hemophagocytosis. The patient received chemotherapy with cycles VP-16, vincristine (VCR) and intrathecal methotrexate (MTX), alternating every two-three weeks with VACP, during one year, with resolution of clinical and laboratory parameters after two months of this treatment without relapses. The survival from diagnosis is 39 months.

Drug Therapy, Combination↗
PubMed1988

[Significance of IgG serum levels in cystic fibrosis].

IgG serum levels were measured in 25 patients with cystic fibrosis aged 1 to 19 years and in 4 additional patients deceased over the last 4 years. Levels were correlated with a number of parameters. Twelve patients (group A) had raised IgG levels, and 17 (group B) normal or low levels. Age between groups did not differ. Patients in group A had lower Shwachman score (p less than 0.001), worse Chrispin and Norman radiologic score (p less than 0.05), lower weight (p less than 0.001) and height (p less than 0.05) and lower FVC (p less than 0.05), and FEV1 (p less than 0.01). Raised levels were associated with increased number of serum precipitins against Pseudomonas aeruginosa but not against Staphylococcus aureus. Raised IgG levels might be secondary to heavier bronchial infection, but there is growing evidence that immunologic response in cystic fibrosis may worsen the course of the disease.

Adolescent↗