A morphometric study of the papillary muscle in the right ventricle of the heart in the Bangladeshi population

Lubna Shirin; Mohammed Shahjahan Kabir; Theingi Maung Maung; Sabah Alharazy; Bilquis Taher Anaam; Tania Islam; Nirmala Palayathan; Rajesh Thangarajan

doi:10.53730/ijhs.v6nS4.9334

Authors

Lubna Shirin
lubna@mahsa.edu.my
Department of Anatomy, Faculty of Medicine, Bioscience and Nursing, MAHSA University, Selangor, 42610, Malaysia
Mohammed Shahjahan Kabir Department of Medicine, Perdana University Royal College of Surgeons Ireland (PU-RCSI), 50490, Kuala Lumpur, Malaysia
Theingi Maung Maung Community Medicine Unit, Asian Institute of Medicine, Science and Technology (AIMST) University, 08100 Bedong, Kedah, Malaysia
Sabah Alharazy Department of Early Clinical Exposure, Faculty of Medicine, Bioscience and Nursing, MAHSA University, Selangor, 42610, Malaysia
Bilquis Taher Anaam Department of Early Clinical Exposure, Faculty of Medicine, Bioscience and Nursing, MAHSA University, Selangor, 42610, Malaysia
Tania Islam Department of Surgery, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
Nirmala Palayathan Department of Anatomy, Faculty of Medicine, Bioscience and Nursing, MAHSA University, Selangor, 42610, Malaysia
Rajesh Thangarajan Department of Anatomy, Faculty of Medicine, Bioscience and Nursing, MAHSA University, Selangor, 42610, Malaysia

Keywords:

papillary muscle, tricuspid valve, right ventricle

Abstract

Papillary muscles are one of the important components of the musculature of the ventricles of the heart. Various diseases of papillary muscle dysfunction such as papillary muscle ischemia, left ventricular dilation, non-ischemic papillary muscle atrophy, papillary muscle or chordae congenital anomalies, dilated or hypertrophic cardiomegaly are commonly observed. Apparently normal postmortem hearts (n=60) were used in this study. Based on gender, specimens were grouped as follows: group A (n=41) ‘male’ and group B (n=19) ‘female’. The length and breadth of the anterior, posterior and septal papillary muscles were measured. The mean length of the anterior papillary muscle was 17.27 (±4.30) mm in males, 16.98 (±3.70) mm in females, the posterior papillary muscle was 14.04 (±3.78) mm in males, and 13.81 (±2.47) mm in female, and septal papillary muscle was 7.35 (±2.78) mm in male and 6.73 (±1.94) mm in female. The breadth of anterior papillary muscle was 5.75 (±1.24) mm and 5.94 (±1.76) mm, posterior papillary had 5.02 (±1.09) mm and 4.77 (±0.80) mm, and septal papillary was 3.97 (±0.81) mm and 3.86 (±0.38) mm in male and female accordingly.

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