error is an inevitable part of life and cannot be completely eliminated, but it can be minimized. a root cause analysis is a technique for understanding the systematic error causes that is involved beyond a person or people to implement an errors and including field and environmental causes of errors when occur in this situation too. an important factor of an error occurrence is a root cause (c...

purpose: to evaluate the effect of intravitreal triamcinolone acetonide injection for management of chronic refractory uveitis in terms of inflammation, visual acuity and macular thickness. methods: this interventional case series was conducted on uveitic eyes with no remission despite proper administration of periocular and/or systemic steroids. after systemic and rheumatologic evaluations and...

    Abstract   Despite sophisticated conventional medical treatment and the continued development   and improvement of coronary revascularization modalities in recent years, a significant   number of patients still suffer from refractory angina pectoris and cannot be successfully   managed. Advances in therapeutic options have led to an increase in the average of life   expectancy even in such ...

Abstract: A pulse-echo technique, based on ultrasonic "long-bar" mode (LBM) velocity measurements, working up to 1700°C is described. Magnetostrictive transducers and ultrasonic lines used in a 40-85 kHz frequency range are detailed. The conditions of choice of fundamental parameters (frequency, line geometry, sample size) are discussed in relation with the nature and the microstructure of ...

PURPOSE OF REVIEW Induction treatment of antineutrophil cytoplasmic antibodies (ANCA) associated vasculitis (AAV) is not always successful and nonresponding patients are considered refractory. RECENT FINDINGS Refractory disease should be subdefined to the treatment that was received. Cyclophosphamide refractory AAV occurs in up to 5% of patients. Many more patients develop contraindications t...