Association Between Respiratory Alkalosis and the Prognosis of COVID-19 Patients

Aim: The aim of the study was to describe the clinical characteristics of patients with or without respiratory alkalosis, and analyze the relationship of respiratory alkalosis and the outcome of adult coronavirus disease 2019 (COVID-19) patients.Methods: Clinical and laboratory data of adult COVID-1...

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Main Authors: Chenfang Wu, Guyi Wang, Quan Zhang, Bo Yu, Jianlei Lv, Siye Zhang, Guobao Wu, Shangjie Wu, Yanjun Zhong
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-04-01
Series:Frontiers in Medicine
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmed.2021.564635/full
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author Chenfang Wu
Guyi Wang
Quan Zhang
Bo Yu
Jianlei Lv
Siye Zhang
Guobao Wu
Shangjie Wu
Yanjun Zhong
author_facet Chenfang Wu
Guyi Wang
Quan Zhang
Bo Yu
Jianlei Lv
Siye Zhang
Guobao Wu
Shangjie Wu
Yanjun Zhong
author_sort Chenfang Wu
collection DOAJ
description Aim: The aim of the study was to describe the clinical characteristics of patients with or without respiratory alkalosis, and analyze the relationship of respiratory alkalosis and the outcome of adult coronavirus disease 2019 (COVID-19) patients.Methods: Clinical and laboratory data of adult COVID-19 patients in a single center in China, were retrospectively collected and analyzed. The Kaplan-Meier (KM) curve and cox regression were adopted to analyze the association between respiratory alkalosis and prognosis of COVID-19 patients.Results: Of 230 adult COVID-19 patients, 66 patients (28.7%) had respiratory alkalosis on admission. Of 66 patients, the median age was 53 years old (range, 21–84 years), and 43 (65.2%) were female. Compared with those without respiratory alkalosis, patients with respiratory alkalosis were significantly older (P = 0.002), had a higher proportion of female (P = 0.004), and showed higher ratios of underlying diseases including hypertension (P = 0.023) and cardiovascular disease (P = 0.028). Moreover, they demonstrated higher proportion of severe events (P = 0.001). Patients with respiratory alkalosis had a higher possibility of developing severe events compared with those without respiratory alkalosis (Log Rank P = 0.001). After adjusting for gender, age, and comorbidities, patients with respiratory alkalosis still showed significantly elevated risks of developing to severe cases (HR 2.445, 95% CI 1.307–4.571, P = 0.005) using cox regression analyses.Conclusions: Respiratory alkalosis as a common acid—base disorder in COVID-19 patients, was associated with a higher risk of developing severe event.
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spelling doaj.art-fa2b3e92a65d425ba0fe616749e6aa7d2022-12-21T23:18:39ZengFrontiers Media S.A.Frontiers in Medicine2296-858X2021-04-01810.3389/fmed.2021.564635564635Association Between Respiratory Alkalosis and the Prognosis of COVID-19 PatientsChenfang Wu0Guyi Wang1Quan Zhang2Bo Yu3Jianlei Lv4Siye Zhang5Guobao Wu6Shangjie Wu7Yanjun Zhong8Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, ChinaCritical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, ChinaCritical Care Medicine, The First Hospital of Changsha, Changsha, ChinaCritical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, ChinaCritical Care Medicine, The First Hospital of Changsha, Changsha, ChinaCritical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, ChinaCritical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Respiratory, The Second Xiangya Hospital, Central South University, Changsha, ChinaCritical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, ChinaAim: The aim of the study was to describe the clinical characteristics of patients with or without respiratory alkalosis, and analyze the relationship of respiratory alkalosis and the outcome of adult coronavirus disease 2019 (COVID-19) patients.Methods: Clinical and laboratory data of adult COVID-19 patients in a single center in China, were retrospectively collected and analyzed. The Kaplan-Meier (KM) curve and cox regression were adopted to analyze the association between respiratory alkalosis and prognosis of COVID-19 patients.Results: Of 230 adult COVID-19 patients, 66 patients (28.7%) had respiratory alkalosis on admission. Of 66 patients, the median age was 53 years old (range, 21–84 years), and 43 (65.2%) were female. Compared with those without respiratory alkalosis, patients with respiratory alkalosis were significantly older (P = 0.002), had a higher proportion of female (P = 0.004), and showed higher ratios of underlying diseases including hypertension (P = 0.023) and cardiovascular disease (P = 0.028). Moreover, they demonstrated higher proportion of severe events (P = 0.001). Patients with respiratory alkalosis had a higher possibility of developing severe events compared with those without respiratory alkalosis (Log Rank P = 0.001). After adjusting for gender, age, and comorbidities, patients with respiratory alkalosis still showed significantly elevated risks of developing to severe cases (HR 2.445, 95% CI 1.307–4.571, P = 0.005) using cox regression analyses.Conclusions: Respiratory alkalosis as a common acid—base disorder in COVID-19 patients, was associated with a higher risk of developing severe event.https://www.frontiersin.org/articles/10.3389/fmed.2021.564635/fullCOVID-19respiratory alkalosisacid-base disorderseveritybiomarker
spellingShingle Chenfang Wu
Guyi Wang
Quan Zhang
Bo Yu
Jianlei Lv
Siye Zhang
Guobao Wu
Shangjie Wu
Yanjun Zhong
Association Between Respiratory Alkalosis and the Prognosis of COVID-19 Patients
Frontiers in Medicine
COVID-19
respiratory alkalosis
acid-base disorder
severity
biomarker
title Association Between Respiratory Alkalosis and the Prognosis of COVID-19 Patients
title_full Association Between Respiratory Alkalosis and the Prognosis of COVID-19 Patients
title_fullStr Association Between Respiratory Alkalosis and the Prognosis of COVID-19 Patients
title_full_unstemmed Association Between Respiratory Alkalosis and the Prognosis of COVID-19 Patients
title_short Association Between Respiratory Alkalosis and the Prognosis of COVID-19 Patients
title_sort association between respiratory alkalosis and the prognosis of covid 19 patients
topic COVID-19
respiratory alkalosis
acid-base disorder
severity
biomarker
url https://www.frontiersin.org/articles/10.3389/fmed.2021.564635/full
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