ISSN 1470-3947 (print) | ISSN 1479-6848 (online)

Endocrine Abstracts (2018) 56 P235 | DOI: 10.1530/endoabs.56.P235

Maximal foot force and plantar pressure distribution assessed by Footscan is not affected in asymptomatic primary hyperparathyroidism patients

Seda Oguz, Ugur Unluturk, Suleyman Nahit Sendur & Tomris Erbas


Hacettepe University School of Medicine, Department of Internal Medicine, Division of Endocrinology and Metabolism, Ankara, Turkey.


Background: Primary hyperparathyroidism (PHPT) is associated with various musculoskeletal complaints. It is difficult to evaluate muscle strength as it is hard to extract objective data due to lack of definite methods for measurement.

Objective: To assess the differences between PHPT patients and healthy controls regarding maximum foot force and plantar pressure distribution by using platform pressure measuring system [Footscan (RSscan)].

Methods: Twenty patients with newly diagnosed PHPT (9 F, 12 M) and 21 healthy controls (13 F, 7 M) were enrolled into the study. Static and dynamic parameters of plantar pressure were recorded using a Footscan pressure plate.

Results: Mean age of the PHPT patients and controls were 45.8±11.3 and 41.3±6.8 (p=NS), respectively. BMI were not different in PHPT patients and healthy controls (29.83±4.6 vs. 27.53±2.7, p=ns). When the measurements of four quadrants on foot (Q) taken into account, Footscan analysis revealed similar distribution of plantar pressure between groups (Q1 24.32%±4.4% vs 23.08%±3.8%, Q2 23.98%±4.3% vs 24.99%±4.51%, Q3 27.28%±5.2% vs 25.98%±5.36%, Q4 24.41%±6.0% vs 25.96%±4.7%). Maximum foot force (MaF) was investigated in ten areas of both feet as standard procedure and no statistically significant difference between groups were observed (MaF left: 1008.34±212.1 N vs 994.71±170.3 N, MaF right: 912.00±226.6 N vs 870.14±127.9 N, P=ns).

Conclusion: According to the present study, the parameters of maximum foot force and plantar pressure computed by using platform pressure measuring system were not different in PHPT patients when compared to healthy controls.

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