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Screening of Patients at Risk for 22q11 Deletion

Ingeborg Barišić
Leona Morožin Pohovski
Iskra Petković
Željko Cvetko
Gordana Stipančić
Marijo Bagatin


Puni tekst: engleski pdf 62 Kb

str. 165-169

preuzimanja: 394

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Sažetak

The aim of this study was to determine whether deletion 22q11.2 studies should become a part of a standardized diagnostic
workup for selected groups of at risk patients. We prospectively investigated four cohorts of unselected patients referred
because of: 1) congenital heart defect (CHD), 2) palatal anomalies, 3) hypocalcaemia, 4) dysmorphic features suggestive
of del 22q11.2. Fluorescence in situ hybridization analysis revealed deletion 22q11.2 in 9.4% (6/64) patients with
CHD. From 18 patients referred because of the hypocalcaemia, six (33.3%) had 22q11.2 deletion. In the group of 31 children
with dysmorphic traits, the diagnosis was confirmed in two (6.4%) patients. None of the 58 children with palatal
anomalies showed evidence of 22q11.2 deletion. Conclusions: Testing for the 22q11.2 microdeletion can be recommended
in all patients with conotruncal heart defects and in patients with hypocalcaemia. It should be also considered in patients
presenting only with dysmorphic traits suggestive of del 22q11.2, while screening in patients with cleft palate is
not warranted.

Ključne riječi

chromosome 22q11.2 deletion; heart malformation; cleft lip; cleft palate; hypocalcaemia

Hrčak ID:

22832

URI

https://hrcak.srce.hr/22832

Datum izdavanja:

8.5.2008.

Posjeta: 774 *