Tibial Plateau Morphometry in South Indian Population
Correspondence Address :
Dr. Prasanna Veera Kumar Attada,
Flat 202 Sai Surya Residency Navodaya School Road
Bakanapalem Madhu Rawada,
Visakhapatanam-531162, Andhra Pradesh, India.
Introduction: The knee transplant has become a common surgery nowadays. Hence, there has arisen the need for accurate tibial plateau morphometry which is population specific. The data of which will be helpful in designing tibial prosthesis which is population specific.
Aim: The study of tibial plateau morphometry in South Indian population which will add to the existing knowledge and would help in designing tibia prosthesis to suit the local population.
Materials and Methods: The study is done on 36 dry tibia obtained from our Anatomy Department. The length and breadth of the articulating surfaces of medial and lateral tibial condyles are measured. The data of the medial and lateral compartments of the tibial plateau and the data of right and left sides are statistically analysed and compared.
Results: The mean length and breadth of medial tibial plateau (± standard deviation) is 42.7±4.1 mm and 30.8 ± 2.8 mm and that of lateral tibial plateau is 37.5±3.9 mm and 30.61 ± 3.6 mm. The length as well as the breadth dimensions of lateral tibial plateau is less than that of medial. The two-tailed p-value is less than 0.0001 for length and breadth and this difference is considered to be extremely statistically significant.
The length of medial tibial plateau is longer on the left side. The two-tailed p-value is less than 0.5 for length of medial tibial plateau for right and left sides and this difference is considered to be statistically significant. The differences are not statistically significant between right and left sides in respect of other parameters.
Conclusion: The study of morphometry of tibial plateau provides additional information in respect of south Indian population. In the present study it is observed that medial tibial plateau is larger than the lateral and in left sided tibiae the average length of medial tibial plateau is greater than the left lateral tibial plateau. These findings in our study may assist the concerned medical persons in designing meniscal implants and tibial prostheses suitable for local population.
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