Key result
Female hearts exhibited a significantly higher frequency of mixed type anterolateral papillary muscles compared to male hearts (92.3% vs 58.8%, p<0.05).
Cross-Sectional (n=30)
Yes
This anatomical study aims to describe the gross morphology of left ventricular papillary muscles to aid in understanding mitral valve dysfunction and guiding valve repair surgeries.
Descriptive LV papillary muscle anatomy may inform mitral repair planning; leaves open any gender-specific clinical impact.
Atrioventricular (AV) valvular apparatus comprises of AV orifice and its annulus, valvular leaflets, chordae tendineae and papillary muscles. The study was done with a purpose to find out the gross morphology of papillary muscle of left ventricle and to compare any gender differences. This is helpful in understanding left atrioventricular valve dysfunction like mitral regurgitations and also helpful in valve repair surgeries.
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Aulakh et al. (2016) conducted a cross-sectional in Normal cadaveric hearts (n=30). Female sex vs. Male sex was evaluated on Mixed type of anterolateral papillary muscle (ALPM) (p=<0.05). Female hearts exhibited a significantly higher frequency of mixed type anterolateral papillary muscles compared to male hearts (92.3% vs 58.8%, p<0.05).
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