Browsing by Subject "ALTITUDE"

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    A nationwide multicentre study in Turkey for establishing reference intervals of haematological parameters with novel use of a panel of whole blood
    (CROATIAN SOC MEDICAL BIOCHEMISTRY & LABORATORY MEDICINE) Ozarda, Y; Ichihara, K; Bakan, E; Polat, H; Ozturk, N; Baygutalp, NK; Taneli, F; Guvenc, Y; Ormen, M; Erbayraktar, Z; Aksoy, N; Sezen, H; Demir, M; Eskandari, G; Polat, G; Mete, N; Yuksel, H; Vatansev, H; Gun, F; Akin, O; Ceylan, O; Noyan, T; Gozlukaya, O; Aliyazicioglu, Y; Kahraman, S; Dirican, M; Tuncer, GO; Kimura, S; Eker, P
    Introduction: A nationwide multicentre study was conducted to establish well-defined reference intervals (Rls) of haematological parameters for the Turkish population in consideration of sources of variation in reference values (RVs). Materials and methods: K2-EDTA whole blood samples (total of 3363) were collected from 12 laboratories. Sera were also collected for measurements of iron, UIBC, TIBC, and ferritin for use in the latent abnormal values exclusion (LAVE) method. The blood samples were analysed within 2 hours in each laboratory using Cell Dyn and Ruby (Abbott), LH780 (Beckman Coulter), or XT-2000i (Sysmex). A panel of freshly prepared blood from 40 healthy volunteers was measured in common to assess any analyser-dependent bias in the measurements. The SD ratio (SDR) based on ANOVA was used to judge the need for partitioning RVs. Rls were computed by the parametric method with/without applying the LAVE method. Results: Analyser-dependent bias was found for basophils (Bas), MCHC, RDW and MPV from the panel test results and thus those Rls were derived for each manufacturer. Rls were determined from all volunteers' results for WBC, neutrophils, lymphocytes, monocytes, eosinophils, MCV, MCH and platelets. Gender-specific Rls were required for RBC, haemoglobin, haematocrit, iron, UIBC and ferritin. Region-specific Rls were required for RBC, haemoglobin, haematocrit, UIBC, and TIBC. Conclusions: With the novel use of a freshly prepared blood panel, manufacturer-specific Rls' were derived for Bas, Bas%, MCHC, RDW and MPV. Regional differences in Rls were observed among the 7 regions of Turkey, which may be attributed to nutritional or environmental factors, including altitude.
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    Picturing asthma in Turkey: results from the Turkish adult asthma registry
    (TAYLOR & FRANCIS LTD) Celik, GE; Aydin, O; Gokmen, D; Buhari, GK; Sozener, ZC; Gemicioglu, B; Bulut, I; Beyaz, S; Orcen, C; Ozdemir, SK; Keren, M; Damadoglu, E; Yakut, T; Kalpaklioglu, AF; Baccioglu, A; Yalim, SA; Yilmaz, I; Kalkan, IK; Uysal, MA; Niksarlioglu, EY; Kalyoncu, AF; Karakaya, G; Erbay, M; Nayci, S; Tepetam, FM; Gelincik, AA; Dirol, H; Goksel, O; Karaoglanoglu, S; Erkekol, FO; Isik, SR; Yildiz, F; Yavuz, Y; Karadogan, D; Bozkurt, N; Seker, U; Oguzulgen, IK; Basyigit, I; Baris, SA; Ucar, EY; Erdogan, T; Polatli, M; Ediger, D; Gunaydin, FE; Turk, M; Pur, L; Katran, ZY; Sekibag, Y; Aykac, EF; Mungan, D; Gul, O; Cengiz, A; Akkurt, B; Ozden, S; Demir, S; Unal, D; Aslan, AF; Can, A; Gumusburun, R; Bogatekin, G; Akten, HS; Inan, S; Erdinc, M; Ogus, AC; Kavas, M; Yulug, DP; Cakmak, ME; Kaya, SB; Alpagat, G; Ozgur, ES; Uzun, O; Gulen, ST; Pekbak, G; Kizilirmak, D; Havlucu, Y; Donmez, H; Arslan, B; Cetin, GP; Soyyigit, S; Kara, BY; Karakis, GP; Dursun, AB; Kendirlinan, R; Ozturk, AB; Sevinc, C; Simsek, GO; Abadoglu, O; Cerci, P; Yucel, T; Yorulmaz, I; Tezcaner, ZC; Tatar, EC; Suslu, AE; Ozer, S; Dursun, E; Yorgancioglu, A
    IntroductionNational data on asthma characteristics and the factors associated with uncontrolled asthma seem to be necessary for every country. For this purpose, we developed the Turkish Adult Asthma Registry for patients with asthma aiming to take a snapshot of our patients, thereby assigning the unmet needs and niche areas of intervention.MethodsCase entries were performed between March 2018 and March 2022. A web-based application was used to record data. Study outcomes were demographic features, disease characteristics, asthma control levels, and phenotypes.ResultsThe registry included 2053 patients from 36 study centers in Turkey. Female subjects dominated the group (n = 1535, 74.8%). The majority of the patients had allergic (n = 1158, 65.3%) and eosinophilic (n = 1174, 57.2%) asthma. Six hundred nineteen (32.2%) of the patients had obese asthma. Severe asthma existed in 670 (32.6%) patients. Majority of cases were on step 3-5 treatment (n: 1525; 88.1%). Uncontrolled asthma was associated with low educational level, severe asthma attacks in the last year, low FEV1, existence of chronic rhinosinusitis and living in particular regions.ConclusionThe picture of this registry showed a dominancy of middle-aged obese women with moderate-to-severe asthma. We also determined particular strategic targets such as low educational level, severe asthma attacks, low FEV1, and chronic rhinosinusitis to decrease uncontrolled asthma in our country. Moreover, some regional strategies may also be needed as uncontrolled asthma is higher in certain regions. We believe that these data will guide authorities to reestablish national asthma programs to improve asthma service delivery.