نتایج جستجو برای: Holt-Oram syndrome
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SUMMARY Holt Oram Syndrome consisting of upper limb defcts, cardiac anomalies and narrow shoulder, was first described by Holt and Oram in 1960. The inheritance pattern is autosomal dominant and most commonly encoutered cardiac anomalies being ASD, although all variaties of C.H.D are reported. Upper limb anomalies are not specific, although scaphoid bone deformity is almost characteristic in t...
Holt-Oram syndrome is an autosomal dominant condition characterized by skeletal and cardiac defects. Pulmonary malformation is not reported to belong to the spectrum of this condition. We report a second case of a newborn with Holt-Oram syndrome who developed severe respiratory insufficiency shortly after birth. We discuss possible genetic links between abnormal pulmonary morphogenesis and Holt...
We present a rare case of familial Holt-Oram syndrome diagnosed sonographically at 18 weeks of gestation. The foetus had serious bilateral upper limb malformations, a ventricular septal defect and a type B interrupted aortic arch, while the mother had bilateral upper limb malformations only. The pregnancy was terminated. A pathological and radiological examination of the foetus confirmed the pr...
Atrial Fibrillation and Other Clinical Manifestations of Altered TBX5 Dosage in Typical Holt–Oram Syndrome To the editor: We were pleased to read the recent study in Circulation Research by Postma et al1 that describes an activation mutation in TBX5 that causes Holt–Oram syndrome. These exciting findings validate prior studies (reviewed elsewhere2) showing that cytogenetic abnormalities that pr...
Holt-Oram syndrome is an autosomal dominant disorder which is caused by mutations of TBX5 and is characterised by cardiac and skeletal abnormalities. TBX5 is part of the T-box gene family and is thought to upregulate tumour cell proliferation and metastasis when mutated. We report the first clinical case of prostate cancer in an individual with Holt Oram syndrome.
holt-oram syndrome (hos) is a developmental disorder inherited in an autosomal-dominant pattern. affected organs are the heart and forelimbs with upper extremity skeletal defects and congenital heart malformation. in this study we present three cases of hos in the same family. in one of these three individuals we detected a transition of c to t (ctg-gtt, v205v) in exon 7 of the tbx5 gene. this ...
A29-year-old woman presented with dizziness. Physical and radiographic examinations showed skeletal hand malformations, ie, digitalized triphalangeal thumbs and dystrophy of the carpal bones. When she was 15 years old, an atrial septal defect had been repaired. ECG recordings showed abnormalities of atrial excitation such as a wandering pacemaker, atrial ectopic activity, AV-nodal block, and si...
The classical description of this syndrome of upper limb abnormalities and congenital heart lesions was by Holt and Oram in 1960.1 They were from King's College Hospital in London and reported a four generation family with nine affected subjects. Many other families were then recognised to have the same condition, which led to a series of reports in the early 1960s. The names atriodigital dyspl...
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