The Comparison of Postoperative Complications in Hypothyroid and Euthyroid Patients Undergoing Cardiac Surgery: A Retrospective Cohort Study

Ahmad Amouzeshi; Seyyed Ebrahim Hosseini Zargaz; Maryam Rezaei; Seyed Mohammad Riahi; Faridreza Sa'adat

International Cardiovascular Research Journal

The Official Annually Journal of Cardiovascular Research Center, Shiraz University of Medical Sciences

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The Comparison of Postoperative Complications in Hypothyroid and Euthyroid Patients Undergoing Cardiac Surgery: A Retrospective Cohort Study

Author(s):

Ahmad Amouzeshi

¹,

Seyyed Ebrahim Hosseini Zargaz

²,

Maryam Rezaei

³,

Seyed Mohammad Riahi

⁴,

Faridreza Sa'adat

^1,*

1Department of Surgery, Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, IR Iran

2Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran

3Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences, Birjand, IR Iran

4Department of Community Medicine, School of Medicine, Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, IR Iran

International Cardiovascular Research Journal:Vol. 17, issue 1; e135652

Published online:Mar 31, 2023

Article type:Research Article

Received:Feb 11, 2023

Accepted:Sep 09, 2023

How to Cite:Amouzeshi A, Hosseini Zargaz SE, Rezaei M, Riahi SM, Sa'adat F. The Comparison of Postoperative Complications in Hypothyroid and Euthyroid Patients Undergoing Cardiac Surgery: A Retrospective Cohort Study. Int Cardiovasc Res J. 2023;17(1):e135652. doi:

Abstract

Background: Cardiac surgery plays a vital role in human health. Hypothyroidism is a common disorder that affects 4 - 10% of the world's population. One of the important challenges of cardiac surgery in hypothyroid patients is their perioperative management.

Objectives:

In this study, we determined the effects of hypothyroidism on complications after cardiac surgery.

Methods: In this retrospective cohort study, patients who underwent cardiac surgery in Birjand, Iran, during 2016 - 2021 and had TSH > 5 μU/mL in adults ≤ 50 and TSH > 10 μU/mL in adults > 50 years old were included as the case group. Also, adults ≤ 50 with TSH 0.3 – 5 μU/mL and adults > 50 years old with TSH 0.3 – 10 μU/mL were included as the control group. The complications and outcomes of cardiac surgery were extracted from the patient files.

Results: This study involved 30 patients with hypothyroidism and 90 controls. The two study groups were comparable regarding gender, type of cardiac surgery, history of diabetes, hypertension, heart failure, myocardial infarction (MI), and dyslipidemia (P > 0.05). The frequency distribution of cardiac and pulmonary complications, delirium, acute kidney injury (AKI), sepsis, and mortality ratio was not significantly different between the two groups (P > 0.05); the mean systolic and diastolic blood pressure before and after the surgery, duration of mechanical ventilation, cardiopulmonary bypass time, aortic clamp time, duration of ICU hospitalization, and amount of use of dopamine, epinephrine, and norepinephrine were also similar (P > 0.05).

Conclusions: Hypothyroidism did not affect the frequency of complications and outcomes after cardiac surgery. Thus, achieving a euthyroid status in hypothyroid patients is unnecessary before cardiac surgery, and there is no need to postpone elective cardiac surgery until hypothyroidism is corrected.

Keywords

Cardiac Surgical Procedures

Cardiovascular Diseases

Hypothyroidism

Postoperative Complications

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References

1.
The references are available in pdf.

Post-heart Surgery and Levothyroxine Therapy: A Narrative Review

Zeinab Sadat Mirhaghjoo,

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26

Jun

2024

Predictors of Postoperative Hypocalcemia and Hypoparathyroidism Following Thyroidectomy in Hanoi, Vietnam

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2020

The Effect of Oral Triiodothyronine in Outcome of Pediatric Congenital Cardiac Surgery

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alireza omidi farzin,

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Author(s):

Ahmad Amouzeshi:[PubMed][Scholar]
Seyyed Ebrahim Hosseini Zargaz:[PubMed][Scholar]
Maryam Rezaei:[PubMed][Scholar]
Seyed Mohammad Riahi:[PubMed][Scholar]
Faridreza Sa'adat:[PubMed][Scholar]

The Official Annually Journal of Cardiovascular Research Center, Shiraz University of Medical Sciences

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The Comparison of Postoperative Complications in Hypothyroid and Euthyroid Patients Undergoing Cardiac Surgery: A Retrospective Cohort Study

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