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    Application of the 2012 Systemic Lupus International collaborating clinics classification criteria on a multicenter group of Turkish systemic lupus erythematosus patients
    (Clinical & Exper Rheumatology, 2015) Yavuz, S.; Pamuk, O. N.; Cefle, A.; Yilmaz, N.
    [Abstract Not Available]
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    The clinical manifestations and survival of systemic lupus erythematosus patients in Turkey: report from two centers
    (Sage Publications Ltd, 2013) Pamuk, O. N.; Akbay, F. G.; Doenmez, S.; Yilmaz, N.; Calayir, G. B.; Yavuz, S.
    Background Systemic lupus erythematosus (SLE) is a systemic autoimmune disease with a variety of clinical features. Survival has become longer as a result of better treatment modalities and better supportive care. There is no information on survival of SLE patients in Turkey. We evaluated clinical features and survival in SLE patients in two rheumatology departments. Methods All SLE patients being followed up by the Department of Rheumatology, Trakya University Medical Faculty, and the Department of Rheumatology, Marmara University Medical Faculty, over the 1996-2012 period were included. Patients were diagnosed with SLE if they fulfilled at least four American College of Rheumatology (ACR) criteria. The clinical and laboratory features, mortality data were obtained from medical charts. Results We had 428 SLE patients, and women (399 patients, 93.2%) far outnumbered men (29 patients, 6.8%). The mean age at the time of SLE diagnosis was 40.312.4 years. The most frequent clinical manifestations were arthritis (76.9%) and photosensitivity (70.1%). Renal disease was present in 32.9% of patients and neurological involvement in 12.9% of patients. After a median follow-up of 60 months, 19 patients died. The most frequent causes of death were ischemic heart disease, chronic renal failure and sepsis. The rate of five-year survival was 96%; 10-year survival, 92%; and 15-year survival, 88.8%. Multivariate Cox analysis showed that serositis at the time of diagnosis, SLE disease activity index (SLEDAI) score 6, and autoimmune hemolytic anemia were independent prognostic factors. Conclusions Data from two centers in Northwestern Turkey show that the mortality rate for SLE is similar to the rate in Western countries.
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    The Importance of Self-Care Rehabilitation in Irradiated Head and Neck Cancer Patients
    (Elsevier Science Inc, 2015) Caloglu, M.; Caloglu, V. Yurut; Ozdemir, F.; Yavuz, S.
    [Abstract Not Available]
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    Laser field effect on self-polarization of a donor impurity in a finite Ga1?xAlxAs/GaAs quantum well
    (Elsevier, 2021) Erdogan, I; Yavuz, S.
    The self-polarization and donor binding energy are calculated for a square Ga1?xAlxAs/GaAs quantum well under an laser field. The donor binding energy and self-polarization are obtained as a function of the laser field parameter, donor impurity position and quantum well-width. The calculations are made by means of variational and finite differences methods using the effective-mass approximation. Our results show that the laser field has remarkable effect on the self-polarization and donor binding energy. These results can be useful for studies on the electronic and optical properties of a quantum well under the influence of a laser field.