Effect of Intraoperative End-Tidal Carbon Dioxide (ETCO2) Levels on Postoperative Nausea and Vomiting in Patients Who Underwent Septorhinoplasty

Year 2020, Volume: 2 Issue: 4, 94 - 98, 23.09.2020

Vildan Kölükçü , Mehtap Gürler Balta , Yunus Emre Kuyucu

https://doi.org/10.38053/acmj.728446

Abstract

Aim: Postoperative
nausea and vomiting (PONV) is among the most frequent complications of
anesthesia. This condition could lead to major difficulties in the clinical
monitoring of cases after septorhinoplasty. The aim of the present study was to
examine the relationship between end-tidal carbon dioxide (ETCO₂)
and PONV in low risk patient group for PONV.

Material
and Method: The study included retrospective analysis of smoking
male cases in the age range of 18-45 years who had septorhinoplasty under
general anesthesia and was evaluated to have class II diagnosis based on American
Society of Anesthesiologists (ASA). The patients who were determined to have
ETCO₂ levels of 26-30 mmHg constituted the Group 1, while those who
had 31-35 mmHg were in Group 2. Demographic data and postoperative nausea and
vomiting findings of all cases at the 0^th, 2^nd, 6^th,
12^th and 24^th hours were evaluated.

Results:
The study included a total of 73 cases. There were no statistical
differences between the two patient groups for demographic data and operation
periods (p>0.05). Nausea incidence at the postoperative 2^nd and 6^th
hours were significantly higher in Group 1 compared to the Group 2 (p = 0.007
and p = 0.006, respectively). Postoperative vomiting incidence was not
different between the study groups (p>0.05).

Conclusion: Based
on the results of the present study, maintaining the intraoperative ETCO₂ levels
in the range of 26-30 mmHg in septorhinoplasty operations results in increased
PONV incidence in the early period.

Keywords

End-tidal carbon dioxide, nausea-vomiting, hypocapnia, septorhinoplasty

Septorinoplasti olan hastalarda farklı intraoperatif end-tidal karbondioksit (ETCO2) değerlerinin postoperatif bulantı kusmaya etkisi

Abstract

Amaç:
Postoperatif
bulantı-kusma (POBK) genel anestezinin en sık görülen komplikasyonlarındandır. Bu
durum septorinoplasti sonrası olguların klinik izlemlerinde büyük güçlüklere
yol açabilmektedir. Çalışmamızda POBK açısından düşük risk grubuna sahip
hastalarda end-tidal karbondioksit (ETCO₂) ile POBK arasındaki ilişkinin
incelenmesi amaçlanmıştır.

Gereç
ve Yöntem: Genel
anestezi altında septorinoplasti uygulanan 18-45 yıl yaş aralığında sigara
kullanımı olan ve Amerikan Anestezistler Derneği (ASA) sınıflamasına göre sınıf
II olarak değerlendirilen erkek olguların verileri geriye doğru analiz edildi. ETCO₂
değeri 26-30 mmHg olanlar Grup 1, 31-35 mmHg olanlar Grup 2 olarak belirlendi. Tüm
olguların demografik verileri ve postoperatif 0., 2., 6., 12., 24. saatlerde
bulantı-kusma bulguları değerlendirildi.

Bulgular:
Toplam 73 olgu çalışmaya dahil edildi.
Demografik veriler ve operasyon süreleri açısından iki grup arasında
istatistiksel olarak anlamlı farklılık yoktu (p>0,05). Grup 1’de postoperatif
2. ve 6. saatlerde bulantı insidansı Grup 2’ye göre istatistiksel olarak
anlamlı derecede yüksekti (sırası ile p=0,007 ve p=0,006). Gruplar arası
karşılaştırmada postoperatif kusma insidansı açısından anlamlı farklılık yoktu
(p>0,05).

Sonuç:
Çalışmamızda
elde edilen veriler ışığında septorinoplasti operasyonlarında intraoperatif
ETCO₂ değerinin 26-30mmHg arasında tutulmasının erken dönemde POBK
insidansında artışa yol açtığı kanaatine varılmıştır.  

Keywords

End-tidal karbondioksit, bulantı-kusma, hipokapni, septorinoplasti

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