Does duration ofintubation influence ventilation parameters following CABG?
Journal Title: Fizjoterapia Polska - Year 2010, Vol 10, Issue 1
Abstract
[b]Background.[/b] Contemporary cardiac surgery is increasingly relying on less invasive techniques to minimise hospital stay. We asses-sed the influence ofartificial ventilation time in CABG patients on ventilation parameters.[b]Materiał and methods.[/b] The study enrolled 92 men aged 35-75 years following CABG undergoing rehabilitation. Patients were divi-ded into two groups based on duration of intubation: Group I included patients with artificial ventilation time (AVT) <17 hours and Group II those with AVT > 17h The correlation between AVT and respiratory capacity was assessed by spirometry before CABG, on fifth po-stoperative day, and at three months post-CABG.[b]Results.[/b] The parameters decreased significantly in both groups on 5th post-operative day, except ERV (ns) in Group II. At 90 days post-surgery, all parameters had increased significantly compared to the 5th post-operative day readings in both groups, but FEV1 had not reached the preoperative level in either group. FVC EX was higher than pre-CABG value in Group I (ns) but not in Group II (p<0.05). VC failed to reach preoperative levels in both groups (Gr I ns, Gr II p<0.005).[b]Conclusions.[/b] Most spirometric parameters tended to behave in the same manner irrespective of the duration ofAVT. Shorter AVThad a significant effect only on VC and FVC EX at 90 days after the surgery. The decrease in respiratory capacity was apparently related to the sternotomy associated with cardiac surgery.
Authors and Affiliations
Edyta Smolis-Bąk, Barbara Kazimierska, Tomasz Kaszczyński, Ryszard Smolis, Rafał Dąbrowski, Ilona Kowalik, Dariusz Białoszewski, Anna Cabak, Hanna Szwed
Keywords
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