Authors
Saanya Chhabra, Chandni Gupta, Vikram Palimar
Published in
The Nigerian postgraduate medical journal. Volume 33. Issue 6. Pages 711-716. Nov 01, 2026. Epub Nov 02, 2026.
Abstract
The fossa ovalis, a crucial anatomical feature of the interatrial septum, plays a significant role in various cardiac procedures.
This study focused on the morphometric and morphological characteristics of the fossa ovalis, with the primary objective of offering detailed insights to aid surgeons in cardiac surgeries.
This study was conducted on 50 human hearts. The fossa ovalis position and its morphological and morphometric parameters were noted. The results were subsequently analysed statistically.
In 62% of the hearts, the fossa was oval. Four percent of the fossa ovalis shows probe patency. In 76% of the specimens, the fossa ovalis was in the inferior aspect of the interatrial septum. The average transverse diameter of the fossa ovalis was 13.44 mm and the average vertical diameter was 19.8 mm. The average deep recess depth was 2.64 mm. Fibrous strands were present in 26% of the hearts. In 54% of the cases, prominence of the limbus was noted in the anterior, inferior and superior margins. In 28% of the hearts, septal pouches were present.
The morphometric data reported here will help operating surgeons determine the precise position of the fossa ovalis during various surgical procedures on the heart, and its dimensions will help in the selection of a suitable device for the closure of foramen ovale defects.
PMID:
42975215
Bibliographic data and abstract were imported from PubMed on 03 Nov 2026.
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