Hypothermia during Surgical Treatment of Type A Aortic Dissection: A 16 Years’ Experience

Acute aortic dissection (AAD) is among the most challenging cases for surgical treatment and requires procedural expertise for its safe conduct. Aortic surgery has undergone several changes over the last years, especially concerning cerebral protection. The brilliant results obtained with the aid of...

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Main Authors: Francesco Macrina, Maria Cristina Acconcia, Luigi Tritapepe, Mizar D’abramo, Wael Saade, Alessandra Capelli, Fabio Miraldi
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:International Journal of Vascular Medicine
Online Access:http://dx.doi.org/10.1155/2020/3893261
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author Francesco Macrina
Maria Cristina Acconcia
Luigi Tritapepe
Mizar D’abramo
Wael Saade
Alessandra Capelli
Fabio Miraldi
author_facet Francesco Macrina
Maria Cristina Acconcia
Luigi Tritapepe
Mizar D’abramo
Wael Saade
Alessandra Capelli
Fabio Miraldi
author_sort Francesco Macrina
collection DOAJ
description Acute aortic dissection (AAD) is among the most challenging cases for surgical treatment and requires procedural expertise for its safe conduct. Aortic surgery has undergone several changes over the last years, especially concerning cerebral protection. The brilliant results obtained with the aid of selective anterograde cerebral perfusion led to a progressive increase of circulatory arrest temperature, with the rise of safe time along with a reduction of the extracorporeal circulation time and hypothermia-related side effects. However, there is still no definitive consensus concerning the optimal range of temperature to be used during circulatory arrest. Objectives. This is a retrospective observational study, and we examined 16-year trends in the presentation, diagnosis, hospital outcome and treatment of A AAD type. In our Cardiac Surgery Unit in Policlinico Umberto I of Rome, our analysis focused on patients, who received ACP during aortic surgery and we analyzed the differences between two distinct groups based on the lowest temperature reached during CPB conduction: Lower Temperature Group (LT) (T < 24°C) versus Higher Temperature Group (HT) (T ≥ 24°C) arrest circulation temperature. Methods. Data from 241 patients enrolled between August 2002 and March 2018 were analyzed. Patients were divided according to the lowest temperature reached into 2 groups: Lower Temperature group (LT) (94 patients) and Higher Temperature Group (HT) (147 patients). Results. Our results showed a significant reduction of in-hospital mortality and in-hospital results in patients with higher CPB temperature. The global incidence of complications was statistically reduced in HT group: we found a statistical significant reduction of intestinal ischemia, and a similar trend also for other complications analyzed, such as infections. Since the two groups were similar for type of surgical procedures, we considered these differences depending on the lower temperature value reached, according to the current literature. Conclusions. We found a significantly higher mortality in patients with lower temperature during CPB and a global reduction of complications and in particular a significant reduction of intestinal ischemia in patients with higher temperature during CPB. We found a similar trend in other fields of investigations, so we can conclude that circulatory arrest performed at temperature ≥24°C nasopharyngeal temperature associated with ACP is a safe strategy for aortic surgery for AAD.
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spelling doaj-art-090fb95b79334563a633402dc4236f342025-02-03T01:05:28ZengWileyInternational Journal of Vascular Medicine2090-28242090-28322020-01-01202010.1155/2020/38932613893261Hypothermia during Surgical Treatment of Type A Aortic Dissection: A 16 Years’ ExperienceFrancesco Macrina0Maria Cristina Acconcia1Luigi Tritapepe2Mizar D’abramo3Wael Saade4Alessandra Capelli5Fabio Miraldi6Department of Cardiovascular, Respiratory, Nephrologic, Anesthesiologic, and Geriatric Sciences, UOD Anesthesia and Intensive Care in Cardiac Surgery, Sapienza University of Rome, Rome, ItalyDepartment of Cardiovascular, Respiratory, Nephrologic, Anesthesiologic, and Geriatric Sciences, UOD Anesthesia and Intensive Care in Cardiac Surgery, Sapienza University of Rome, Rome, ItalyDepartment of Cardiovascular, Respiratory, Nephrologic, Anesthesiologic, and Geriatric Sciences, UOD Anesthesia and Intensive Care in Cardiac Surgery, Sapienza University of Rome, Rome, ItalyDepartment of Cardiovascular, Respiratory, Nephrologic, Anesthesiologic, and Geriatric Sciences, UOD Anesthesia and Intensive Care in Cardiac Surgery, Sapienza University of Rome, Rome, ItalyDepartment of Cardiovascular, Respiratory, Nephrologic, Anesthesiologic, and Geriatric Sciences, UOD Anesthesia and Intensive Care in Cardiac Surgery, Sapienza University of Rome, Rome, ItalyDepartment of Cardiovascular, Respiratory, Nephrologic, Anesthesiologic, and Geriatric Sciences, UOD Anesthesia and Intensive Care in Cardiac Surgery, Sapienza University of Rome, Rome, ItalyDepartment of Cardiovascular, Respiratory, Nephrologic, Anesthesiologic, and Geriatric Sciences, UOD Anesthesia and Intensive Care in Cardiac Surgery, Sapienza University of Rome, Rome, ItalyAcute aortic dissection (AAD) is among the most challenging cases for surgical treatment and requires procedural expertise for its safe conduct. Aortic surgery has undergone several changes over the last years, especially concerning cerebral protection. The brilliant results obtained with the aid of selective anterograde cerebral perfusion led to a progressive increase of circulatory arrest temperature, with the rise of safe time along with a reduction of the extracorporeal circulation time and hypothermia-related side effects. However, there is still no definitive consensus concerning the optimal range of temperature to be used during circulatory arrest. Objectives. This is a retrospective observational study, and we examined 16-year trends in the presentation, diagnosis, hospital outcome and treatment of A AAD type. In our Cardiac Surgery Unit in Policlinico Umberto I of Rome, our analysis focused on patients, who received ACP during aortic surgery and we analyzed the differences between two distinct groups based on the lowest temperature reached during CPB conduction: Lower Temperature Group (LT) (T < 24°C) versus Higher Temperature Group (HT) (T ≥ 24°C) arrest circulation temperature. Methods. Data from 241 patients enrolled between August 2002 and March 2018 were analyzed. Patients were divided according to the lowest temperature reached into 2 groups: Lower Temperature group (LT) (94 patients) and Higher Temperature Group (HT) (147 patients). Results. Our results showed a significant reduction of in-hospital mortality and in-hospital results in patients with higher CPB temperature. The global incidence of complications was statistically reduced in HT group: we found a statistical significant reduction of intestinal ischemia, and a similar trend also for other complications analyzed, such as infections. Since the two groups were similar for type of surgical procedures, we considered these differences depending on the lower temperature value reached, according to the current literature. Conclusions. We found a significantly higher mortality in patients with lower temperature during CPB and a global reduction of complications and in particular a significant reduction of intestinal ischemia in patients with higher temperature during CPB. We found a similar trend in other fields of investigations, so we can conclude that circulatory arrest performed at temperature ≥24°C nasopharyngeal temperature associated with ACP is a safe strategy for aortic surgery for AAD.http://dx.doi.org/10.1155/2020/3893261
spellingShingle Francesco Macrina
Maria Cristina Acconcia
Luigi Tritapepe
Mizar D’abramo
Wael Saade
Alessandra Capelli
Fabio Miraldi
Hypothermia during Surgical Treatment of Type A Aortic Dissection: A 16 Years’ Experience
International Journal of Vascular Medicine
title Hypothermia during Surgical Treatment of Type A Aortic Dissection: A 16 Years’ Experience
title_full Hypothermia during Surgical Treatment of Type A Aortic Dissection: A 16 Years’ Experience
title_fullStr Hypothermia during Surgical Treatment of Type A Aortic Dissection: A 16 Years’ Experience
title_full_unstemmed Hypothermia during Surgical Treatment of Type A Aortic Dissection: A 16 Years’ Experience
title_short Hypothermia during Surgical Treatment of Type A Aortic Dissection: A 16 Years’ Experience
title_sort hypothermia during surgical treatment of type a aortic dissection a 16 years experience
url http://dx.doi.org/10.1155/2020/3893261
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