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| UDK 613.25 ; 616.24-008.4 |
ISSN 0350-2899, 35(2010) br.1-2 p 15-18 |
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Original paper Obesity and spirometric restriction (Gojaznost i spirometrijska restrikcija) Vladan Simić, Miloš Simić PRIVATNA LEKARSKA PRAKSA, JAGODINA |
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| Summary: ‘Syndroma restrictivum’ is the result of many possible disorders of lungs and the chest wall. It is necessary to do a detailed clinical examination and a series of additional examinations in order to be sure of the right reason of its occurrence. In everyday practical work during spirometric testing and interpretation of results, this syndrome is often explained by obesity, which is not always justified. METHODS: In order to determine the validity of such a way of thinking, we chose a group of 103 male patients, employees of the local Electrical Company, working as wiremen, whereby none of them had suffered from serious lung disorders. They were examined by spirometric measurements (FVC, FVC%, FEV1, FEV1%) by a water spirometar `Jaeger`. Obesity was classified by using the formula weight/height² to calculate the body mass index (BMI). They were divided in three groups, normal under 25kg/m², overweight 25-30kg/m² and obesity more then 30kg/m². Three patients were rejected (2.9%) because they showed spirometric and clinical signs of obstructive pulmonary disease. RESULTS AND DISCUSSION: We can confirm that there is a connection between obesity and spirometric restriction. It can be best seen by comparing middle ranges of capacity parameters of spirometry by using T-test in patients with normal BMI and in obese patients with BMI exceeding 30kg/m²(FVC and FEV1 p<0.05), as well as by comparing the percentage of the realisation of the predicted values for FVC p<0.05. Correlations of the same parameters were negative and not statistically significant (r = -0.182 p>0.05). There have been many imperfections in this study, such as a small number of patients or the absence of bronchial challenge test in patients with restriction. Nevertheless, this study shows that we have to pay special attention during the interpretation of spirometric findings in obese people. CONCLUSION: Mild spirometric restriction in obese people is not a serious health problem. Some influence of higher BMI on spirometric values does exist and it grows with higher BMI. When considering spirometric values, special attention has to be paid not only to extremely obese patients, but also to all the patients with BMI>30kg/m². Key words: spirometric restriction, body mass index, obesity, BMI, FVC, FEV1 Napomena:
kompletan tekst rada na srpskom jeziku |
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Corresponding Address: Vladan Simić Bosanska 11, 35000 Jagodina e-mail:pulmo@ptt.rs |
Rad poslat: 24.05.2010. Rad prihvaćen: 31.08.2010. Elektronska verzija objavljena: 11.11.2010. |
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