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Purpose: The aim of this study was to evaluate the relationship between patient temperament and preference for invasive prenatal tests.Materials and Methods: This was a prospective study of 337 pregnant women who had increased risk of having a fetus with Down syndrome. Their temperament profile was determined by using the temperament evaluation of TEMPS-A. Women were grouped as accepting (study) or declining (control) to perform an invasive test. Results: 284 pregnancies were included in the final analyzes. The study group had more likely employed and had a higher level of education level. There was no predominant temperament in 247 (87%) women. Hyperthymic temperament had the highest scores (11.2 ± 4.1) among other four temperament types. Study group patients had lower scores for anxious and depressive temperaments compared with control groups. Conclusion: Women who had a less anxious or depressive personality were more likely to prefer an invasive prenatal test. In addition, employment and higher educational status were correlated with undergoing invasive prenatal testing., Amaç: Bu çalışmanın amacı gebelerin mizaç özellikleri ile invaziv testi tercih etmeleri arasındaki ilişkinin değerlendirilmesi. amaçlanmıştır. Gereç ve Yöntem: Mevcut çalışma fetüste Down sendromu açısından artmış riske sahip 337 gebeliğin prospektif değerlendirilmesini içermektedir. Hastaların mizaç özellikleri TEMPS-A skalası aracılığıyla belirlenmeye çalışılmıştır. Gebeler invaziv test yapılmasını kabul edenler (çalışma) ve etmeyenler (kontrol) şeklinde iki gruba ayrılmıştır. Bulgular: Nihai analizler 284 gebe üzerinden yapılmıştır. Çalışma grubundaki hastalarda düzenli bir işte çalışma oranı ve eğitim seviyesi kontrol grubuna göre daha yüksek bulunmuştur. Hastaların 247'sinde (%87) baskın bir mizaç saptanmadı. Bununla birlikte en yüksek skor hipertimik mizaca (11.2 ± 4.1) ait olarak bulundu. Çalışma grubundaki hastalar daha düşük anksiyetik (ve depresif (mizaç skorlarına sahiplerdi. Sonuç: Daha düşük anksiyöz ya da depresif mizaç özelliklerine sahip hastalar invaziv tanı testlerini daha yüksek oranda tercih etmektedirler. Buna ek olarak düzenli bir işte çalışma ve daha yüksek eğitim durumu da invaziv prenatal testi yaptırmayla ilişkilidir.

The pathophysiological mechanisms underlying blood-brain barrier (BBB) disruption in preeclampsia/eclampsia have not been elucidated. This study investigated the effect of pentylenetetrazole (PTZ)-induced seizures on the functional and structural properties of the BBB during N (omega)-nitro-L-arginine methyl ester (L-NAME)-induced hypertension and proteinuria in pregnant rats. Animals were treated with L-NAME for 10 days, beginning on day 10 of pregnancy. The BBB permeability was determined by measurements of sodium fluorescein (NaFlu) extravasation into the brain. Occludin and aquaporin (AQP)-4 immunoreactivities were evaluated in brain sections. Severe proteinuria and significantly increased arterial blood pressure were observed following L-NAME treatment. PTZ-induced seizures in pregnant rats treated with L-NAME increased NaFlu levels in all of the brain regions analyzed (P < 0.01). A significant increase in the extravasation of NaFlu was also observed in the diencephalon of intact pregnant rats treated with PTZ. PTZ-induced seizures in both L-NAME-treated and untreated pregnant rats significantly decreased occludin immunoreactivity in the hippocampal capillaries. L-NAME administration significantly increased AQP-4 immunoreactivity in the astrocytic endfeet surrounding the parietal cortex microvessels of PTZ-treated and untreated pregnant rats. These findings suggest that PTZ-induced seizures lead to a severe disruption of the BBB in preeclampsia and that the paracellular pathway may play an important role in increased BBB permeability in this context.