7 results on '"Shirasawa, Shinichi"'
Search Results
2. Entrapment of the Ulnar Nerve and Artery Associated with Closed Distal Radius and Ulna Fracture: A Case Report.
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Tsujino, Shohei, Seki, Yasuhiro, and Shirasawa, Shinichi
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DISTAL radius fractures , *ULNAR nerve , *RADIUS fractures , *ARTERIES - Abstract
Case: We encountered a case of entrapment of the ulnar nerve and artery associated with displaced distal radius and ulna fracture. After the closed reduction, a patient noted a severe sensory deficit and had claw hand. Intraoperatively, the proximal edge of the fractured radius was positioned in the space between the ulnar artery and the nerve, and the nerve was entrapped. The entrapment was released surgically with a good 1-year outcome. Conclusion: In cases of distal radius fracture, there is a possibility of entrapment of the ulnar nerve. When neurological symptoms worsen after the reduction maneuver, early nerve exploration is needed. [ABSTRACT FROM AUTHOR]
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- 2022
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3. Effect of hip fracture surgery within 24 hours on short-term mobility.
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Ogawa, Takahisa, Aoki, Takuya, and Shirasawa, Shinichi
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HIP surgery , *BURDEN of care , *REGRESSION analysis , *LINEAR statistical models , *STATISTICAL significance , *AMBULATORY surgery - Abstract
Background: Hip fracture constitutes a high-mortality injury in elderly patients. In addition, caregiver burden is also a relevant issue, as patients after hip fracture surgery lose ambulation and require support in the perioperative period and after discharge. Early surgery is recommended to improve mortality. However the positive effect of early surgery on the short-term postoperative ambulatory function is unknown. The objective of this study was to determine whether a shorter waiting time for hip fracture surgery improves short-term postoperative mobility in elderly patients. We used the cumulated ambulation score (CAS), a feasible function scoring system using low-demand activities, to measure short-term postoperative mobility.Methods: In this retrospective, observational study of 175 hip fracture patients at a single hospital, the patients were divided based on the waiting period for surgery (within 24 hours of arrival, early group; after 24 hours of arrival, delayed group). The primary outcome was postoperative mobility, assessed using the CAS. Multivariable linear regression analysis with adjustment for covariates, age, sex, mobility before injury, comorbidity, presence of dementia and type of fracture. As a subgroup analysis, cognitive function and the interaction between the surgical waiting time and the presence of dementia were considered.Results: The early group had a significantly better CAS (adjusted beta = 1.36; 95% confidence interval [95% CI]: 0.24-2.48, p = 0.02) than the delayed group. Significant CAS improvement was observed among cognitively intact patients (adjusted beta = 2.66; 95% CI: 0.62-4.69, p = 0.01), but not among those with dementia (adjusted beta = 0.43; 95% CI: -0.93 to 1.79, p = 0.53). However, the interaction between the surgical waiting time and the presence of dementia in the entire population did not reach statistical significance (p for interaction = 0.15).Conclusions: Hip fracture surgery within 24 hours could improve the recovery of postoperative ambulatory function faster. The postoperative caregiver burden would be reduced by early surgery. [ABSTRACT FROM AUTHOR]- Published
- 2019
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4. Ulnar Nerve Injury Following Distal Radius Fracture Assessed by Ultrasonography: Management of an Ulnar Nerve Lesion.
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TSUJINO, Shohei, SEKI, Yasuhiro, MAEHARA, Manabu, and SHIRASAWA, Shinichi
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ULNAR nerve injuries , *DISTAL radius fractures , *ULNAR nerve , *OPEN reduction internal fixation , *ULTRASONIC imaging - Abstract
A fracture of the distal radius with an associated injury to the ulnar nerve is rare. The management of the ulnar nerve lesion is unclear. We present a patient with a closed distal radius fracture related to an injury to the ulnar nerve associated with diminished sensation and a claw deformity. This was assessed by ultrasonography (US) that showed the nerve to be in continuity without any evidence of compression. The nerve was deviated towards the volar side at the distal end of the ulna and was enlarged at the same point. Open reduction and internal fixation was performed for the fracture. Emergent nerve exploration was not performed. The function of the ulnar nerve was completely restored at 16 weeks after injury. In cases presenting with ulnar nerve injury, we recommend US to evaluate the condition of the ulnar nerve. Nerve exploration should be performed when neurological deficits were found on US or symptoms did not recover over 4 months observation. Level of Evidence: Level V (Therapeutic) [ABSTRACT FROM AUTHOR]
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- 2022
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5. Impact of orthogeriatric care management by orthopedic surgeons and physicians on in‐hospital clinical outcomes: A difference‐in‐difference analysis.
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Ogawa, Takahisa, Schermann, Haggai, Khadka, Aayush, Moross, Janelle, Moriwaki, Mutsuko, Fushimi, Kiyohide, Fujiwara, Takeo, Yoshii, Toshitaka, Okawa, Atsushi, and Shirasawa, Shinichi
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LENGTH of stay in hospitals , *ORTHOPEDIC surgery , *HEALTH facility administration , *HIP fractures , *TREATMENT effectiveness , *SEASONS , *DESCRIPTIVE statistics , *HEALTH care teams , *ORTHOPEDICS , *PHYSICIANS , *ELDER care - Abstract
Aim: The orthopedic surgery unit in our suburb serves a large elderly trauma population in addition to providing elective surgeries. As patients with hip fractures have become older and at higher risk of medical complications, our hospital has initiated integrated co‐management of these patients by orthopedic surgeons and geriatricians from the point of hospital admission. The aim of this study was to evaluate the impact of the hospital policy change on hip fracture management and clinical outcome indicators. Methods: Using the difference‐in‐difference approach, in total, 288 consecutive patients with hip fractures treated during the 1 year before and 2 years after transition to orthogeriatric care from a geriatric consultation model to integrated orthogeriatric care model were compared with 576 patients from other local hospitals. Results: Despite a seasonal trend toward increased length of hospital stay in winter, the intervention significantly reduced the change in mean length of stay (mean difference [95% confidence interval], −12.9 days [−21.5 to −4.3]; P = 0.007) and discharge to home tended to change less frequently (−12.6%; P = 0.10). There was no significant reduction in mean time to surgery (−0.2 days; P = 0.83), mortality (−0.8%; P = 0.62), or complications (−1.0%; P = 0.85). Conclusions: Changing our hip fracture service from a geriatric consultation model of care to an integrated orthogeriatric model significantly reduced length of hospital stay probably due to a lower chance of discharge to home. To our knowledge, this is the first study in Japan to compare two orthogeriatric care models considering the nationwide improvement in hip fracture management. Geriatr Gerontol Int 2022; 22: 138–144. [ABSTRACT FROM AUTHOR]
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- 2022
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6. Time Course of Acute Vertebral Fractures: A Prospective Multicenter Cohort Study.
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Inose, Hiroyuki, Kato, Tsuyoshi, Shirasawa, Shinichi, Takahashi, Shinji, Hoshino, Masatoshi, Yamato, Yu, Matsukura, Yu, Hirai, Takashi, Yoshii, Toshitaka, and Okawa, Atsushi
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VERTEBRAL fractures , *LUMBAR pain , *VERTEBRAE injuries , *BONE fractures , *LOGISTIC regression analysis , *VISUAL analog scale - Abstract
To date, it is still unclear how fresh osteoporotic vertebral fractures (OVFs) affect the patient's quality of life and low back pain during a follow-up period of more than 1 year. In the previous trial, women with fresh OVF were randomized to rigid or soft brace for 12 weeks, then both groups were followed for the subsequent 48 weeks. In women completing this trial at our affiliated hospitals, we conducted a follow-up study to investigate the long-term course of an acute vertebral fracture in terms of pain and quality of life. When comparing visual analog scale scores for low back pain and European Quality of Life-5 Dimensions Questionnaire scores between consecutive time points, a significant difference was found between 0 and 12 weeks, but not between 12 and 48 weeks or between 48 weeks and final follow-up. A total 25% had residual low back pain at the final follow-up. A stepwise logistic regression analysis identified age and previous vertebral fracture as predictors of residual low back pain at the final follow-up. Therefore, the degree of low back pain and impairment of the quality of life improved by 12 weeks after injury and did not change thereafter until a mean follow-up of 5.3 years. [ABSTRACT FROM AUTHOR]
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- 2021
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7. Early recovery of basic mobility under femoral nerve block after hip fracture surgery - A propensity score matched pilot study.
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Ogawa, Takahisa, Seki, Keiko, Tachibana, Tetsuya, Hayashi, Hiroto, Moross, Janelle, Kristensen, Morten Tange, and Shirasawa, Shinichi
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NERVE block , *HIP fractures , *FEMORAL nerve , *PROPENSITY score matching , *FEMORAL neck fractures , *HEMIARTHROPLASTY , *PILOT projects , *POSTOPERATIVE pain , *PROBABILITY theory - Abstract
Background: Previous studies have shown better pain reduction utilizing femoral nerve block (FNB) in patients who underwent hip fracture surgery. However, few studies have focused on the recovery of physical function after FNB, and most studies excluded patients with dementia. We investigated the association between FNB performed in the operating room and the recovery of physical function after hip fracture surgery, including patients with dementia.Methods: A total of 103 patients with a mean age of 87.4 years who underwent hip fracture surgery under spinal anesthesia between July 2015 and December 2017 (46 patients receiving a single injection of FNB and 57 standard care) were enrolled. Patients with FNB versus standard care were matched by a propensity score to adjust for patient characteristics. An anesthesiologist performed FNB with 20ml of 0.2% ropivacaine, and the standard care group received intravenous 1000 mg acetaminophen or 50mg flurbiprofen once after surgery. After matching, 78 patients were analyzed. Our primary outcome was 3-day cumulated ambulation score (CAS, 0-18 points) and secondary outcomes were 1-day CAS on postoperative day 1-3 and length of hospital stay. We also stratified patient groups based on the presence of dementia and fracture type.Results: Patients undergoing FNB had significantly better 3-day CAS compared to standard care (mean [SD], 8.72 [3.42] vs 7.33 [2.62]; mean difference, 1.38 [95%CI; 0.03 - 2.74]; p = 0.048) and 1-day CAS on postoperative day two (mean [SD], 3.10 [1.39] vs 2.56 [0.94]; mean difference, 0.54 [0.01 - 1.07]; p = 0.049). Length of hospital stay did not significantly differ among the two groups (p = 0.65). Larger positive effect was likely to be seen for patients with a femoral neck fractures and for those without dementia.Conclusions: Patients who underwent surgery with spinal anesthesia plus FNB had better ambulatory status early after hip fracture surgery compared to patients not offered FNB. The beneficial association between FNB and ambulatory status was likely to be observed especially in patients with femoral neck fracture and without dementia. [ABSTRACT FROM AUTHOR]- Published
- 2021
- Full Text
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