H. Hirano

Hiroshima University

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i-10 index

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Co-Authors

A. Kitagawa

Osaka University

T. Ohtsubo

Niigata University

K. Matsuta

Osaka University

R. Matsumiya

Osaka University

S. Momota

Kochi University of Technology

T. Izumikawa

Niigata University

J. Komurasaki

Osaka University

D. Ishikawa

Osaka University

J. Alonso

Massachusetts Institute of Technology

T. J. M. Symons

Lawrence Berkeley National Laboratory

Cooperative Institutions

Niigata University

Osaka University

The University of Tokyo

Kyushu University

Kyoto University

RIKEN

Kurume University

Hiroshima University

RIKEN Nishina Center

Tohoku University

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Two Cases of Gas Gangrene Treated by Hyperbaric Oxygen Therapy

Orthopedics & Traumatology (1978)

Yasuhiro Iwanaga Ichiei Narita Hirofumi Noguchi K Nagata H. Hirano

Case 1 A twelve-year-old male sustained a severe open fracture of the femur by traffic accident. A mid-thigh amputation was performed and he became toxic after two days. Extremely foul discharges developed and gas was detected on X-ray. Open disarticulation of the hip and hyperbaric oxygen therapy with energic chemotherapy were successfully performed.Case 2 A forty-nine-year-old farmer was treated by osteosynthesis and primary closure for dirty open fracture of the fibula sustained in the field. He was transfered to our hospital on the following day because of severe gas gangrene of the lower leg and toxicemia. Hyperbaric oxygen therapy and careful débridement were performed, and he was recovered without amputation.

Gas gangrene

Disarticulation

Osteosynthesis

Gangrene

10.5035/nishiseisai.27.178

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Cervical range of motion and head movement trajectory during head inclination and turning tasks using electrical goniometer

The Journal of Japanese Society of Stomatognathic Function (2006)

Yonezo Saito H. Hirano Masayuki Kurose Yoshiaki Yamada

日本では頭頸部の関節可動域の研究は非常に少ない.電子式Goniometerを用いて, 頭部屈曲運動および頭部回転運動時の関節可動域および運動軌跡を27名の被験者を対象に記録した.頸部関節可動域はこれまでの報告と比較し, 前後方向ではアジアでの研究結果と一致していた.しかし, 側方の可動域はこれまでの報告結果より大きな値を示した, 関節可動域に関しては前後方向・左右方向で利き腕・年齢・男女間に群分けして比較し, 利き腕・性別では群間に有意な差はなかったが, 若年群では後方位・側方位で高齢群より明らかに大きな可動域が観察された.前方位に差がなかったことから前屈時の関節可動域の制限因子として加齢変化が影響する筋や軟組織ではなく, 前屈運動時の形態的因子が関与すると推察される.頭部回転運動軌跡を水平面に投影したところ, 特に頸部に症状を訴えない被験者にも運動が円滑でない例が認められた

Goniometer

10.7144/sgf.13.21

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Citations (2)

Three Cases of Cervical Spondylosis Associated with Tumors

Orthopedics & Traumatology (1977)

T. Yano T. Tsuda T. Hashikawa H. Hirano S. Yano

Three cases of cervical spondylosis associated with tumor, which made a diagnosis difficult, were reported:Case 1. 45-year-old male. A intradural, extramedullar schwannoma of the spinal cord was found by operation.Case 2. 52-year-old female. Cranio-spinal meningioma was found at autopsy.Case 3. 59-year-old male. A metastatic lung cancer of Pancoast's type to the lower cervical spines was found by clinical examination.

Cervical spondylosis

10.5035/nishiseisai.26.82

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Electrophysiological study of four patients with Fisher syndrome: A mechanism of areflexia

Brain and Development (1992)

Akihisa Mitsudome Hiroko Ogata Masaharu Ohfu Katsuichi Irie H. Hirano

H-reflex

F wave

10.1016/s0387-7604(12)80236-1

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Citations (3)

Magnetic moment of proton halo nucleus 28P

Springer eBooks (2008)

Dongmei Zhou Yongnan Zheng K. Matsuta M. Mihara Mitsunori Fukuda

Nuclear magnetic moment

Proton magnetic moment

Neutron magnetic moment

Halo nucleus

Proton emission

10.1007/978-3-540-85320-6_73

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Experience of Cast Bracing for Fracture of the Lower Extremities

Orthopedics & Traumatology (1977)

H. Hirano T. Kanazawa Hirofumi Noguchi K Nagata Fujio Higuchi

From 1971 to 1976, cast bracing method was applied to 46 fractures of the lower extremities.The ages of patients ranged from 6 to 78 years. Seven fractures were open, 32 closed and 2 pathological. Thirteen fractures were treated by cast brace 4 to 5 weeks after skeletal traction, and 32 fractures after wound healing of osteosynthesis using intramedullary nailing or plating. The fracture healing was favourable in all cases and no pseudarthrosis occurred.Ten patients in the former group could sit in Japanese way, while 21 patients in the latter. No severe stiffness of the knee joint less than 30 degrees was encountered.

Pseudarthrosis

Bracing

Osteosynthesis

10.5035/nishiseisai.26.260

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Experiences of Skeletal Pelvic Traction for Severe Fracture Dislocation of the Spine

Orthopedics & Traumatology (1978)

Kazushige Yokota Kensuke Yamanaka H. Hirano Tatsuya Ide

Skeletal traction by Steinmann's pins through the iliac crests was applied for 2 cases of fracture dislocation of the lumbar spine.In a male case aged 37 years, severe displacement of his (4th) lumbar spine was favourably reduced by skeletal pelvic traction, and Harrington's instrumentation was applied one month which enabled early rehabilitation.In a secand male case aged 34 years, the severely displaced Ist lumbar spine was failed to reduce because of rib fractures and plumonary complications.

10.5035/nishiseisai.27.49

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顎関節音に関する研究第1報測定条件の検討

新潟歯学会雑誌 (1972)

栄輔風間秀利平野靖石岡 Eisuke Kazama H. Hirano

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Polarization creation in proton-rich 28 P via charge exchange reactions and measurement of its electric quadrupole moment

Hyperfine Interactions (2010)

K. Matsuta M. Mihara Dejun Zhou Y. Zheng D. Nishimura

Nuclear magnetic moment

Proton magnetic moment

Quadrupole magnet

Electric field gradient

Charge exchange

10.1007/s10751-010-0253-9

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Citations (3)

Developing a Simplified Electromyographic Jaw Position Detector.

Nihon Hotetsu Shika Gakkai Zasshi (1993)

H. Hirano Hiroshi Kobayashi

The studies about the relationship between electromyographic (EMG) activities and jaw position were made by many researchers. But there were few practical devices for detecting the jaw position by means of electromyographic activities. In this study a simplified electromyographic horizontal jaw position detector for clinical use was developed. The device gets the EMG signals from four muscles: temporalis and masseter muscles on both sides respectively, by means of the surface electrodes. The output is the position of a spot in a two dimensional plane showing the estimated position of the mandible calculated by the EMG signals in real time. In the plane the vertical axis represents the anterior-posterior position and the horizontal position represents the right-left position of the mandible. For the sake of clinical use, it was made by analog devices and in a small size. The response appears in real time, so we can estimate the position when a patient exhibits a clenching force.In the basic trial of this device we concluded that this device has sufficient performance for practical use for detecting the horizontal jaw position. Moreover, it has a potential to know the temporal aspects of the muscle activity during masticatory movement.

Position (finance)

Mandible (arthropod mouthpart)

Horizontal plane

Temporal muscle

10.2186/jjps.37.121

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