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  • Ben Saad, Helmi  (2)
  • Rouatbi, Sonia  (2)
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  • 1
    Online Resource
    Online Resource
    Fraction of Exhaled Nitric Oxide (Fe NO ) Norms in Healthy Tunisian Adults
    Hindawi Limited ; 2014
    In:  BioMed Research International Vol. 2014 ( 2014), p. 1-13
    Details
    In: BioMed Research International, Hindawi Limited, Vol. 2014 ( 2014), p. 1-13
    Abstract: Aims . To establish Fe NO norms for healthy Tunisian adults aged 18–60 years and to prospectively assess their reliability. Methods . This was a cross-sectional analytical study. A convenience sample of healthy Tunisian adults was recruited. Subjects responded to a medical questionnaire, and then Fe NO levels were measured by an online method (Medisoft, Sorinnes (Dinant), Belgium). Clinical, anthropometric, and plethysmographic data were collected. All analyses were performed on natural logarithm values of Fe NO . Results . 257 adults (145 males) were retained. The proposed reference equation to predict Fe NO value is lnFe NO (ppb) = 3.47−0.56× height (m). After the predicted Fe NO value for a given adult was computed, the upper limit of normal could be obtained by adding 0.60 ppb. The mean ± SD (minimum-maximum) of Fe NO (ppb) for the total sample was 13.54 ± 4.87 (5.00–26.00). For Tunisian and Arab adults of any age and height, any Fe NO value greater than 26.00 ppb may be considered abnormal. Finally, in an additional group of adults prospectively assessed, we found no adult with a Fe NO higher than 26.00 ppb. Conclusion . The present Fe NO norms enrich the global repository of Fe NO norms that the clinician can use to choose the most appropriate norms.
    Type of Medium: Online Resource
    ISSN: 2314-6133 , 2314-6141
    URL: Article
    DOI: 10.1155/2014/269670
    Language: English
    Publisher: Hindawi Limited
    Publication Date: 2014
    detail.hit.zdb_id: 2698540-8
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  • 2
    Online Resource
    Online Resource
    North-African Reference Values of Alveolar Membrane Diffusion Capacity and Pulmonary Capillary Blood Volume
    S. Karger AG ; 2010
    In:  Respiration Vol. 80, No. 4 ( 2010), p. 301-312
    Details
    In: Respiration, S. Karger AG, Vol. 80, No. 4 ( 2010), p. 301-312
    Abstract: 〈 i 〉 Background: 〈 /i 〉 In North-African adults, location-specific reference values for membrane diffusion capacity (D 〈 sub 〉 m 〈 /sub 〉 ) and pulmonary capillary blood volume (V 〈 sub 〉 c 〈 /sub 〉 ) were needed. 〈 i 〉 Objectives: 〈 /i 〉 To verify the applicability of previously published reference equations for D 〈 sub 〉 m 〈 /sub 〉 and V 〈 sub 〉 c 〈 /sub 〉 in North-African healthy adults (age 〉 18 years) and to determine specific reference equations for North Africa. 〈 i 〉 Methods: 〈 /i 〉 The study was designed as a prospective cross-sectional study. Anthropometric data (age, height, weight and body mass index) and D 〈 sub 〉 m 〈 /sub 〉 and V 〈 sub 〉 c 〈 /sub 〉 were assessed in 85 healthy Tunisian adults. Univariate and multiple linear regression analyses were used to determine reference equations and to calculate the lower limit of the normal range (LLN). 〈 i 〉 Results: 〈 /i 〉 The mean ages ± SD (minimum – maximum) for male and female adults were 53 ± 21 (21–85) and 42 ± 16 (18–72) years, respectively. Previously published reference equations did not reliably predict measured D 〈 sub 〉 m 〈 /sub 〉 and V 〈 sub 〉 c 〈 /sub 〉 . The reference equation (r 〈 sup 〉 2 〈 /sup 〉 = 47%) for D 〈 sub 〉 m 〈 /sub 〉 was –36.16 + 45.37 × height – 0.34 × age + 0.39 × weight + 7.41 × gender (0 = female and 1 = male). To calculate the D 〈 sub 〉 m 〈 /sub 〉 LLN subtract 24.36 from the reference value. The reference equation (r 〈 sup 〉 2 〈 /sup 〉 = 30%) for female V 〈 sub 〉 c 〈 /sub 〉 was 94.70 – 0.57 × age, and the reference equation (r 〈 sup 〉 2 〈 /sup 〉 = 52%) for male V 〈 sub 〉 c 〈 /sub 〉 was 0.82 – 0.48 × age + 52.47 × height + 0.16 × weight. To calculate the V 〈 sub 〉 c 〈 /sub 〉 LLN subtract 28.52 and 26.54 from these reference values for females and males, respectively. 〈 i 〉 Conclusion: 〈 /i 〉 These V 〈 sub 〉 c 〈 /sub 〉 and D 〈 sub 〉 m 〈 /sub 〉 reference equations supplement the international World Bank of reference equations.
    Type of Medium: Online Resource
    ISSN: 0025-7931 , 1423-0356
    URL: Article
    DOI: 10.1159/000316339
    Language: English
    Publisher: S. Karger AG
    Publication Date: 2010
    detail.hit.zdb_id: 1464419-8
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