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The effect of ultrasonographic measurement of vena cava inferior diameter on the prediction of post-spinal hypotension in geriatric patients undergoing spinal anesthesia
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  • Yusuf Aslan,
  • Gulten Arslan,
  • Kemal Tolga Saracoglu,
  • Banu Eler Cevik
Yusuf Aslan
University of Health Sciences, Kartal Dr Lütfi Kırdar Training and Research Hospital, Istanbul, Turkey

Corresponding Author:md.yziyaslan@gmail.com

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Gulten Arslan
University of Health Sciences, Kartal Dr Lütfi Kırdar Training and Research Hospital, Istanbul, Turkey
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Kemal Tolga Saracoglu
Istanbul Dr Lütfi Kırdar Kartal Eğitim ve Araştırma Hastanesi
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Banu Eler Cevik
Istanbul Dr Lütfi Kırdar Kartal Eğitim ve Araştırma Hastanesi
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Abstract

Aims: In our study,we aimed to investigate whether end-expiratory vena cava inferior (expVCI) diameter and vena cava inferior collapsibility index predicted post-spinal hypotension in geriatric patients undergoing spinal anesthesia, the correlation between them and other parameters. Material and methods: Our prospective study included ASA I-4,73 patients over 65 years of age, who were scheduled for operation using spinal anesthesia. According to the expVCI diameter displayed with USG before spinal anesthesia, patients; those with an expVCI diameter less than 1.8 cm previously determined as the threshold value are grouped as 1.(Small-VCI) Group,those greater than 1.8cm as 2.(Large-VCI) Group. Demographic characteristics of the patients, comorbidities, duration and type of operation, basal (preoperative) heart rate, systolic, diastolic, mean blood pressure, peripheral oxygen saturation values before spinal anesthesia and after spinal anesthesia in supine position (0 min) and 5th, 10th, 15th, 20th, 25th, 30th min and preoperative arterial blood gas parameters, amount of peroperative urine and bleeding, inotropic and fluid requirement, complications were recorded. Results: Hypotension developed in 28(38.4%) patients and bradycardia in 14 (19.2%) of patients. The patients who developed hypotension had more ASA 2 and ASA 3 (p=0.01), shorter height (p=0.02), and smaller expVCI diameter (p=0.004).It was observed that they had higher lactate (p=0.03), lower pH (p=0.006) values, and more inotropic agents were administered (p<0.001). While the rate of developing hypotension was 51.1% (n=23) in the patients in the Small-VCI group, this rate was 17.9% (n=5) in the patients in the Large-VCI group (p=0.004). Conclusion: It was concluded that the expVCI diameter value measured by USG before spinal anesthesia in elderly patients is effective in predicting post-spinal hypotension with lactate and pH values, which are among the blood gas parameters, and expVCI can be preferred to invasive methods due to its noninvasive, easy and fast application.
18 Apr 2021Submitted to International Journal of Clinical Practice
26 Apr 2021Submission Checks Completed
26 Apr 2021Assigned to Editor
27 Apr 2021Reviewer(s) Assigned
08 Jun 2021Review(s) Completed, Editorial Evaluation Pending
08 Jun 2021Editorial Decision: Revise Major
14 Jun 20211st Revision Received
22 Jun 2021Assigned to Editor
22 Jun 2021Submission Checks Completed
22 Jun 2021Review(s) Completed, Editorial Evaluation Pending
22 Jun 2021Reviewer(s) Assigned
30 Jun 2021Editorial Decision: Revise Minor
30 Jun 20212nd Revision Received
01 Jul 2021Assigned to Editor
01 Jul 2021Submission Checks Completed
01 Jul 2021Review(s) Completed, Editorial Evaluation Pending
02 Jul 2021Editorial Decision: Accept