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Biomedical subjects

Q Qazi

Publications and source records attributed to Q Qazi.

8 recordsLinked to original sources
PubMed1998

Improved morbidity with the use of nasal continuous positive airway pressure in I-cell disease.

Patients with I-cell disease (mucolipidosis II) present with progressive morbidity failure to thrive, cardiomegaly, and recurrent respiratory tract infections leading to progressive deterioration and early death. We evaluated use of nasal continuous positive airway pressure (NCPAP) for 6 months in a 2-year-old girl with I-cell disease, obstructive sleep apnea (OSA), and craniofacial anomalies. We observed a marked decrease in hospitalizations for respiratory problems and a marked improvement in arterial blood gases with the use of NCPAP. In patients with I-cell disease, anatomical defects with superimposed upper respiratory tract infections cause worsening of OSA, and OSA contributes significantly to morbidity. In such patients NCPAP can lessen morbidity and can improve the quality of life.

Carbon Dioxide↗
PubMed1996

Osteoglophonic dysplasia: review and further delineation of the syndrome.

We report on a boy with clinical and radiologic findings of osteoglophonic dysplasia. He had craniostenosis, "bizarre," expansile cystic lesions in the diaphyses, delayed tooth eruption, and progressive rib expansion typical of the syndrome. Initially delayed psychomotor development with later normal intelligence, early feeding and breathing difficulty, and speech delay are also characteristic of the disorder. Manifestations, not previously reported in osteoglophonic dysplasia, present in the propositus are spontaneous fractures resulting in pseudoarthroses through cystic and dysplastic foci in his proximal femoral shafts and right humerus, pretibial dimples, hypospadias, marked rib expansion, and absence of significant vertebral abnormality. These findings expand the spectrum of osteoglophonic dysplasia.

Bone Diseases, Developmental↗
PubMed1988

Triphalangeal thumb.

Triphalangeal thumb (TPT), a rare malformation of uncertain pathogenesis, may occur as an isolated defect, in association with other malformations of the hands, or as a feature of a syndrome or sequence. Isolated TPT occurs in two functional types: opposable and non-opposable. The latter appears to be inherited as a simple autosomal dominant trait, while the former is generally sporadic. TPT is associated with a number of specific malformations of the hand or foot, several of which have a well documented autosomal dominant pattern of inheritance. TPT is a feature of a number of specific syndromes. In this setting it may be associated with radial hypoplasia, bone marrow dysfunction, congenital heart disease, lung hypoplasia or agenesis, anorectal malformations, sensorineural hearing loss, onychodystrophy, mental retardation, and other disorders. TPT serves as a useful marker in such patients; in conjunction with the clinical and radiological findings, it can help to establish the correct diagnosis, leading to appropriate management and genetic counselling.

Abnormalities, Multiple↗
PubMed1983

A clinical neuropathological study of the fetal alcohol syndrome.

Five patients with the clinical diagnosis of fetal alcohol syndrome (FAS) died at the ages of 8 and 4 months and 17, 4 and 2 days. Neuropathological examination revealed microencephalic brains in all cases, without morphological evidence of maturation delay. One of them showed agenesis of the corpus callosum and hypoplasia of the cerebellar vermis. Five of them had only small dysgenetic changes, consisting mainly of glio or glioneuronal meningeal or parenchymal heterotopias. Our findings indicate that the brain is commonly but not affected in FAS. The influence of alcohol and its metabolites, as well as undernutrition, and use of other drugs by the mothers, should be taken into account as possible etiologic factors.

Abortion, Spontaneous↗
PubMed1982

Higher incidence of small Y chromosome in humans with trisomy 21 (Down syndrome).

The length of the Y chromosome was measured in 42 black patients with trisomy 21 (47,XY,+21) and a similar number of normal individuals of American black ancestry. The length of the Y was expressed as a function of Y/F ratio and arbitrarily classified into five groups using subjectively defined criteria as follows: very small, small, average, large, and very large. Thirty-eight % of the trisomy 21 patients had small or very small Ys compared to 2.38% of the controls (P less than 0.01). In both populations the size of the Y was not normally distributed. In the normals it was skewed to the left, whereas in the Downs the distribution was flat (platykurtic). A significantly higher incidence of Y length heteromorphisms was noted in the Down as compared to the normal black population. In the light of our current understanding that about one-third of all trisomy 21 patients are due to paternal nondisjunction, it may be tempting to speculate that males with small Y are at an increased risk for nondisjunction of the 21 chromosome.

Adolescent↗
PubMed1979

Renal anomalies in fetal alcohol syndrome.

Six patients with fetal alcohol syndrome were found to have developmental abnormalities of the kidney. In only one patient was investigation for renal pathology made in the absence of clinical indication. Two had palpable masses in the left upper quadrant, one had pyelonephritis, one had painless hematuria, and the fifth patient had symptomatology suggestive of renal failure. Although the renal pathology was not of the same type in all cases, it is of interest that four patients had either unilateral or bilateral renal hypoplasia.

Abnormalities, Multiple↗
PubMedDate not supplied

Robinow syndrome with growth hormone deficiency: treatment with growth hormone.

We describe a 5 years and nine months old boy who presented with facial features, vertebral anomalies and dwarfism consistent with Robinow syndrome. Investigations revealed growth hormone (GH) deficiency to be the cause of his dwarfism. We reviewed data on four other patients with Robinow syndrome from the Genentech National Cooperative Growth Study (NCGS). Results of GH testing on three out of four were available and showed GH deficiency. Recombinant human GH therapy in our patient and the three patients from the NCGS resulted in a significant increase in the growth rate per year. The cause of dwarfism in children with Robinow syndrome has hitherto not been studied. We propose its association with GH deficiency and that treatment with rhGH can result in a significant increase in the growth rate of these children.

Body Height↗