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Sphenoid sinus foreign body following airbag deployment in the United States: a case report
Olson Birk J.,Vella Joseph B.,McCormick Justin P. 대한외상학회 2023 大韓外傷學會誌 Vol.36 No.2
We report a unique case of penetrating foreign bodies following a motor vehicle accident with airbag deployment. The patient presented with evidence of facial trauma and was found to have three retained foreign bodies on imaging. Notably, one foreign body was within the sphenoid sinus. This foreign body was removed uneventfully through endoscopic sinus surgery. The patient was doing well at follow-up visits. We concluded that the foreign bodies were steering wheel accessories, which detached upon airbag deployment and penetrated the patient’s face. This case report is intended to inform the public regarding the dangers of placing accessories on a steering wheel.
A Simple Model for Runoff Predictability
Roman Olson,Axel Timmermann,June-Yi Lee,Soon-Il An 한국기상학회 2021 한국기상학회 학술대회 논문집 Vol.2021 No.10
Recent work has identified potential multi-year predictability in soil moisture (Chikamoto et al., 2015). Whether this long-term predictability translates into an extended predictability of runoff still remains an open question. To address this question we develop a physically-based zero-dimensional stochastic runoff model. The model extends previous work of Dolgonosov and Korchagin (2007) by including a runoff-generating soil moisture threshold. We consider several assumptions on the input rainfall noise. We analyze the applicability of analytical solutions for the stationary probability density function (pdf) and for the waiting time for runoff under different assumptions. Out results suggest that knowing soil moisture provides important information on the waiting time for runoff. In addition, we fit the simple model to the daily NCEP1 reanalysis output on a near-global scale, and analyze the fitted model performance. Over many tropical regions, the model reproduces the simulated runoff in NCEP1 reasonably well. More detailed analysis over a single gridpoint illustrates that the model, despite its simplicity, is able to capture some key features of the runoff time series and pdfs of a more complex model. Our model exhibits runoff predictability of up to two months in advance. Our results suggest that there is an optimal predictability “window” in the transition zone between runoff-generating and dry conditions. Our model can serve as a “null hypothesis” model reference against more complex models for runoff predictability.
Valerie Olson,Dararat Mingbunjerdsuk 대한파킨슨병및이상운동질환학회 2022 Journal Of Movement Disorders Vol.15 No.3
Methylmalonic acidemia (MMA) is a group of inherited metabolic disorders affecting methylmalonate and cobalamin (Cbl) metabolism that lead to the accumulation of methylmalonic acid, ketoacidosis, hyperammonemia, and death in severe cases. MMA is caused by mutations in the MMAA, MMAB, and MUT genes. Cobalamin B methylmalonic acidemia (Cbl B-MMA) is a type of MMA caused by mutations in the MMAB gene. Treatment of Cbl B-MMA includes cobalamin supplementation and diet modification.