Advances in Cardiothoracic and Vascular Surgery in the COVID-19 Era II

A special issue of Medicina (ISSN 1648-9144). This special issue belongs to the section "Cardiology".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 765

Special Issue Editor


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Guest Editor
1. Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
2. Department of Cardiovascular Surgery, Bucharest Clinic Emergency Hospital, 014461 Bucharest, Romania
3. Academy of Romanian Scientists, 50044 Bucharest, Romania
Interests: cardiovascular surgery; heart valve diseases; coronary artery bypass surgery; aneurysm
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Special Issue Information

Dear Colleagues,

Over the past two years, the COVID-19 pandemic has caused unprecedented problems for all health systems around the world. The severe acute respiratory syndrome caused by this infection (SARS-CoV-2) also affects patients with cardiovascular and thoracic surgical pathology, sometimes worsening their prognosis in the short and immediate term.

Due to lung damage, but also the inflammatory condition generated, the results of the operations in these patients came into question. It has become clear that patients with cardiovascular and thoracic pathology should not be operated on for the duration of the infection and the course of COVID pneumonia.

However, there are situations when these operations cannot be avoided: acute aortic dissection, infectious endocarditis with valvular vegetation at risk of embolism, unstable angina due to surgical coronary lesions, etc.

In these cases, it was considered opportune by some groups to postpone the intervention until the inflammatory syndrome decreased and negative virological test results were obtained.

However, it has been proven that inflammation, endothelial dysfunction, hypercoagulation and the tendency for intravascular thrombosis obscure the prognosis of these patients, especially in elderly patients with associated comorbidities such as obesity, diabetes, chronic obstructive pulmonary disease or hypertension.

A link has been shown between the angiotensin 2 conversion enzyme and SARS-CoV-2 in the myocardium, which generates myocarditis with immediate consequences, especially in patients with cardiovascular and thoracic surgical pathology.

In this context, knowing the particularities of these patients and their evolution can generate concepts and guidelines that will improve patient outcomes and decrease mortality.

Given the clinical significance of this topic and its impact on clinical practice and public health, Medicina is launching a Special Issue entitled “Advances in Cardiothoracic and Vascular Surgery in the COVID-19 Era II” with the aim of delivering new insight into the impact of the COVID-19 pandemic on cardiovascular management and outcomes for patients with underlying cardiovascular disease.

Prof. Dr. Horaţiu Moldovan
Guest Editor

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Keywords

  • COVID-19
  • SARS-CoV-2
  • cardiothoracic surgery
  • vascular surgery
  • COVID pneumonia
  • cardiovascular disease
  • heart valve disease
  • acute aortic dissection

Published Papers (1 paper)

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Research

10 pages, 2004 KiB  
Article
The Potential Neurological Impact of Intraoperative Hyponatremia Using Histidine–Tryptophan–Ketoglutarate Cardioplegia Infusion in Adult Cardiac Surgery
by Yu-Ning Hu, Tsung-Hao Hsieh, Sheng-Fu Liang, Meng-Ta Tsai, Chung-Yao Chien, Chung-Dann Kan and Jun-Neng Roan
Medicina 2024, 60(6), 995; https://doi.org/10.3390/medicina60060995 - 18 Jun 2024
Viewed by 535
Abstract
Background and Objectives: The relationship between histidine–tryptophan–ketoglutarate (HTK)-induced hyponatremia and brain injury in adult cardiac surgery patients is unclear. This study analyzed postoperative neurological outcomes after intraoperative HTK cardioplegia infusion. Materials and Methods: A prospective cohort study was conducted on 60 [...] Read more.
Background and Objectives: The relationship between histidine–tryptophan–ketoglutarate (HTK)-induced hyponatremia and brain injury in adult cardiac surgery patients is unclear. This study analyzed postoperative neurological outcomes after intraoperative HTK cardioplegia infusion. Materials and Methods: A prospective cohort study was conducted on 60 adult patients who underwent cardiac surgery with cardiopulmonary bypass. Of these patients, 13 and 47 received HTK infusion and conventional hyperkalemic cardioplegia, respectively. The patients’ baseline characteristics, intraoperative data, brain injury markers, Mini-Mental State Examination (MMSE) scores, and quantitative electroencephalography (qEEG) data were collected. Electrolyte changes during cardiopulmonary bypass, the degree of hyponatremia, and any associated brain insults were evaluated. Results: The HTK group presented with acute hyponatremia during cardiopulmonary bypass, which was intraoperatively corrected through ultrafiltration and normal saline administration. Postoperative sodium levels were higher in the HTK group than in the conventional cardioplegia group. The change in neuron-specific enolase levels after cardiopulmonary bypass was significantly higher in the HTK group (p = 0.043). The changes showed no significant differences using case–control matching. qEEG analysis revealed a significant increase in relative delta power in the HTK group on postoperative day (POD) 7 (p = 0.018); however, no significant changes were noted on POD 60. The MMSE scores were not significantly different between the two groups on POD 7 and POD 60. Conclusions: HTK-induced acute hyponatremia and rapid correction with normal saline during adult cardiac surgeries were associated with a potential short-term but not long-term neurological impact. Further studies are required to determine the necessity of correction for HTK-induced hyponatremia. Full article
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