JaLCDOI 10.18926/AMO/30374
FullText URL fulltext.pdf
Author Kawai, Akira| Hamada, Masanori| Sugihara, Shinsuke| Hashizume, Hiroyuki| Nagashima, Hiroaki| Inoue, Hajime|
Abstract <p>The results of rotationplasty for patients with osteosarcoma around the knee joint are presented. After an average observation period of 13.3 months, there has been no local recurrence or metastasis. The ankle joints (the new knee joints) of the patients were able to support their body weight with an average range of motion of 75 degrees. All patients could walk well without crutches and without risk of the giving way phenomenon. The average rate of the functional evaluation according to the re-modified system by Enneking was 84.5% (range, 80.0-86.7%). No patient had psychological trouble in accepting the shortened and rotated extremity. The results show that rotationplasty is a useful reconstructive method for the treatment of osteosarcoma around the knee joint.</p>
Keywords rotationplasty osteosacoma reconstructive new knee joint function
Amo Type Article
Published Date 1995-08
Publication Title Acta Medica Okayama
Volume volume49
Issue issue4
Publisher Okayama University Medical School
Start Page 221
End Page 226
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language 英語
File Version publisher
Refereed True
PubMed ID 7502683
Web of Science KeyUT A1995RR97800007
JaLCDOI 10.18926/AMO/30396
FullText URL fulltext.pdf
Author Yokota, Tadaaki| Hamada, Masanori| Nagashima, Hiroaki|
Abstract <p>Seventy-six patients with ulnar neuropathy at the elbow were divided into 3 classes (Grades I, II, and III) according to their clinical features and the maximal motor nerve conduction velocity (MCV), and the amplitude ratios at the across-elbow segment were retrospectively analyzed. To determine the criteria for abnormality, a control study was conducted on 150 healthy volunteers ranging in age from 20 to 89 years (6 age groups). The normal value for MCV could be set for two age groups: those under 60 and those over 60 years old. The 95% confidence limit was 54m/s for the former and 50m/s for the latter. There was no statistically significant difference in the amplitude ratio among the age groups. The confidence limit was set uniformly at 0.82 (above elbow/below elbow). An abnormality in either MCV or the amplitude ratio was found in 66.7% of Grade I (recent and mild symptoms), 89.7% of Grade II (persistent symptoms), and 100% of Grade III cases (marked intrinsic muscle atrophy). Evaluation using the combination of MCV and the amplitude ratio, considering the age-related normal value, appeared to be useful in establishing a differential diagnosis of ulnar neuropathy at the elbow.</p>
Keywords entrapment neuropathy ulnar nerve electrodiagnosis M-wave
Amo Type Article
Published Date 1995-10
Publication Title Acta Medica Okayama
Volume volume49
Issue issue5
Publisher Okayama University Medical School
Start Page 261
End Page 265
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language 英語
File Version publisher
Refereed True
PubMed ID 8585397
Web of Science KeyUT A1995TC51800006
JaLCDOI 10.18926/AMO/31970
FullText URL fulltext.pdf
Author Sasaki, Kentaro| Senda, Masuo| Ishikura, Takashi| Ota, Haruyuki| Mori, Takeshi| Tsukiyama, Hisashi| Hamada, Masanori| Shiota, Naofumi|
Abstract <p>We examined whether ambulatory ability before surgery might influence the post-operative D-dimer level after total hip arthroplasty (THA). One hundred two patients with hip osteoarthritis receiving THA were included in the current study. The patients were all female, and their ages ranged from 45 to 81 (average 65.0 +- 9.3 years). Age, operated side, body mass index (BMI), disease duration before surgery, pre-operative pain evaluated by visual analogue scale (VAS), total cholesterol value, maximal circumference of the lower leg of the operated side, and timed &#34;Up &#38; Go&#34;test (TUG) before surgery, were retrospectively investigated to examine their relationship with D-dimer levels on post-operative day 7. Patients were divided into 2 groups according to the D-dimer value: over 10 microg/ml (Group D), and under (Group N). Patients in group D (N= 52)were older, had a higher BMI, and had less ambulatory ability than patients in group N (N= 50). As age showed a relationship with the D-dimer value on the 7th day and TUG results, patients in the 2 groups were further subdivided into 50's, 60's, and 70's age brackets. In the 50's bracket, patients in group D had higher BMI than patients in group N, but time for TUG was not significantly different. In the 60's and 70's bracket, patients in group D had less ambulatory ability than patients in group N, but the time for TUG was not directly correlated with the D-dimer value. The results suggest that pre-operative low ambulatory ability in patients with osteoarthritis over 60 years might influence the postoperative D-dimer after THA, indicating the potential risk for post-operative deep venous thrombosis.</p>
Keywords timed “Up& Go”test D-dimer total hip arthroplasty
Amo Type Article
Published Date 2005-10
Publication Title Acta Medica Okayama
Volume volume59
Issue issue5
Publisher Okayama University Medical School
Start Page 225
End Page 230
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language 英語
File Version publisher
Refereed True
PubMed ID 16286960
Web of Science KeyUT 000232835600007
JaLCDOI 10.18926/AMO/32087
FullText URL fulltext.pdf
Author Katayama, Yoshimi| Senda, Masuo| Hamada, Masanori| Kataoka, Masaki| Shintani, Mai| Inoue, Hajime|
Abstract <p>Muscle power in the lower extremities and body sway were measured in 57 healthy young women volunteers in their 20's. Body sway was measured with a stabilimeter for 30 sec during two-leg standing, and for 10 sec during one-leg standing with the eyes open or closed, alternating between right and left legs (5 times each). The measured parameters of body sway were locus length per time unit, locus length per environmental area, environmental area, rectangle area, root mean square area, and the ratio of sway with eyes closed to sway with eyes open. Knee flexor and extensor power and toe flexor and abductor power were the measures representing lower extremity muscle power. The increase in sway with the eyes closed was more marked during one-leg standing than two-leg standing, as expected. We found that 36 of 57 subjects (62%) were unable to maintain one-leg standing with their eyes closed, and this failure correlated with marked body sway (P = 0.0086). Many subjects had one leg that was classified as stable and the other leg classified as unstable. Clearly, testing of both legs alternately with eyes closed is necessary to measure the full range of sway in subjects. Lower extremity muscle power did not appear to be the dominant factor in maintaining balance in these young subjects.</p>
Keywords postural balance woman lower extremity muscle power
Amo Type Article
Published Date 2004-08
Publication Title Acta Medica Okayama
Volume volume58
Issue issue4
Publisher Okayama University Medical School
Start Page 189
End Page 195
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language 英語
File Version publisher
Refereed True
PubMed ID 15551756
Web of Science KeyUT 000223559700003
JaLCDOI 10.18926/AMO/32099
FullText URL fulltext.pdf
Author Miyamoto, Noriyoshi| Senda, Masuo| Hamada, Masanori| Katayama, Yoshimi| Kinosita, Atsushi| Uchida, Kensuke| Inoue, Hajime|
Abstract <p>Rheumatoid arthritis (RA) is often associated with deformities of the feet, and foot pain often arises in the talonavicular joint of patients with RA. The object of this study was to assess the relationship between magnetic resonance imaging (MRI) findings of the talonavicular joint and walking ability. The subjects were 35 RA patients (10 feet in 5 males and 56 feet in 30 females) aged 34-87 years (mean: 70 years +/- 12.1), with a disease duration from 1-54 years (mean: 14 years +/- 12.1). MRI findings were classified as follows: Grade 1, almost normal; Grade 2, early articular destruction; Grade 3, moderate articular destruction; Grade 4, severe articular destruction; and Grade 5, bony ankylosis dislocation. Walking ability was classified into one of 9 categories ranging from normal gait to bedridden status according to the system of Fujibayashi. As the grade of MRI images became higher the walking ability decreased, and these parameters showed a correlation by Spearman's rank correlation coefficient analysis (P = 0.003). Thus, in the present cohort group of patients with RA, the deterioration of walking ability increased with the severity of destruction of the talonavicular joint.</p>
Keywords ?rheumatoid arthritis magnetic resonance imaging talonavicular joint walking ability
Amo Type Article
Published Date 2004-04
Publication Title Acta Medica Okayama
Volume volume58
Issue issue2
Publisher Okayama University Medical School
Start Page 85
End Page 90
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language 英語
File Version publisher
Refereed True
PubMed ID 15255509
Web of Science KeyUT 000221043700004