Masanobu Hirata
Overview
Explore the profile of Masanobu Hirata including associated specialties, affiliations and a list of published articles.
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16
Citations
263
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Recent Articles
1.
Kanazawa M, Nakashima Y, Arai T, Ushijima T, Hirata M, Hara D, et al.
Hip Int
. 2016 May;
26(5):462-467.
PMID: 27174062
Objective: Compared to sagittal pelvic tilt, only a few studies have examined axial rotation on anteroposterior radiographs. We therefore quantified 3-D pelvic rotation using the width and height ratio of...
2.
Does High Hip Center Decrease Range of Motion in Total Hip Arthroplasty? A Computer Simulation Study
Komiyama K, Nakashima Y, Hirata M, Hara D, Kohno Y, Iwamoto Y
J Arthroplasty
. 2016 Apr;
31(10):2342-7.
PMID: 27067755
Background: High placement of a cementless acetabular cup is often required to have sufficient bone coverage in hip dysplasia. We examined whether a high hip center decreases the postoperative range...
3.
Kanazawa M, Nakashima Y, Hamai S, Hirata M, Iwamoto Y
J Arthroplasty
. 2016 Jan;
31(6):1356-1360.
PMID: 26763896
Background: In contrast to the acetabular cup version (CV), stem version (SV) measurement on the crosstable lateral radiograph has not been validated. We, therefore, investigated: (1) the difference of SV...
4.
Hara D, Nakashima Y, Sato T, Hirata M, Kanazawa M, Kohno Y, et al.
Mater Sci Eng C Mater Biol Appl
. 2015 Dec;
59:1047-1052.
PMID: 26652463
The present study examined the bone bonding strength of diamond-structured porous titanium-alloy (Porous-Ti-alloy) manufactured using the electron beam-melting technique in comparison with fiber mesh-coated or rough-surfaced implants. Cylindrical implants with...
5.
Hara D, Nakashima Y, Hamai S, Higaki H, Ikebe S, Shimoto T, et al.
Biomed Res Int
. 2014 Dec;
2014:457573.
PMID: 25506056
Dynamic hip kinematics during weight-bearing activities were analyzed for six healthy subjects. Continuous X-ray images of gait, chair-rising, squatting, and twisting were taken using a flat panel X-ray detector. Digitally...
6.
Hirata M, Nakashima Y, Hara D, Kanazawa M, Kohno Y, Yoshimoto K, et al.
Int Orthop
. 2014 Sep;
39(4):645-51.
PMID: 25252605
Purpose: Compared to medial femoral offset (MFO), the role of anterior femoral offset (AFO) on range of motion (ROM) in total hip arthroplasty (THA) has not been fully examined. We...
7.
Hirata M, Nakashima Y, Itokawa T, Ohishi M, Sato T, Akiyama M, et al.
Int Orthop
. 2014 Feb;
38(7):1341-6.
PMID: 24504565
Purpose: Stem version is not always equivalent to femoral neck version (native version) in cementless total hip arthroplasty (THA). We therefore examined the discrepancy of version between the native femoral...
8.
Akiyama M, Nakashima Y, Oishi M, Sato T, Hirata M, Hara D, et al.
J Orthop Sci
. 2013 Oct;
19(1):90-6.
PMID: 24091985
Background: The purpose of this study was to investigate residual acetabular retroversion after skeletal maturity in patients with Pemberton osteotomy. Patients And Methods: We compared 40 hips in 36 patients...
9.
Nakashima Y, Hirata M, Akiyama M, Itokawa T, Yamamoto T, Motomura G, et al.
Int Orthop
. 2013 Sep;
38(1):27-32.
PMID: 24026219
Purpose: The combined anteversion (CA) technique is a method in which the cup is placed according to the stem anteversion in total hip arthroplasty (THA). We examined whether the CA...
10.
Hara D, Nakashima Y, Yamamoto T, Higashihara S, Todo M, Hirata M, et al.
J Mech Behav Biomed Mater
. 2013 Sep;
28:206-12.
PMID: 23995342
Highly cross-linked polyethylene (HXPE) in total hip arthroplasty (THA) has been shown to significantly decrease wear rates compared with conventional polyethylene (CPE). However, crosslinking, thermal treatment and oxidation can decrease...