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BRAIN AND LOWER BODY PROTECTION DURING AORTIC ARCH SURGERY
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  • Antonio Calafiore,
  • Ruggero De Paulis,
  • Severino Iesu,
  • Domenico Paparella,
  • Gianni Angelini,
  • Mattia Scognamiglio,
  • Paolo Centofanti,
  • Salvatore Nicolardi,
  • Pierpaolo Chivasso,
  • Carlo Canosa,
  • salvatore zaccaria,
  • Luigi de Martino,
  • Diego Magnano,
  • Giuseppe Mastrototaro,
  • Michele Di Mauro
Antonio Calafiore
Department of Cardiovascular Sciences Gemelli Molise Campobasso Italy

Corresponding Author:[email protected]

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Ruggero De Paulis
European Hospital
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Severino Iesu
Azienda Ospedaliera Universitaria 'San Giovanni di Dio e Ruggi d'Aragona'
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Domenico Paparella
Universita degli Studi di Foggia Dipartimento di Scienze Mediche e Chirurgiche
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Gianni Angelini
Bristol Heart Institute
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Mattia Scognamiglio
Department of Cardiovascular Sciences Gemelli Molise Campobasso Italy
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Paolo Centofanti
Azienda Ospedaliera Ordine Mauriziano di Torino
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Salvatore Nicolardi
Ospedale Vito Fazzi
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Pierpaolo Chivasso
Azienda Ospedaliera Universitaria 'San Giovanni di Dio e Ruggi d'Aragona'
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Carlo Canosa
Department of Cardiovascular Sciences Gemelli Molise Campobasso Italy
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salvatore zaccaria
Ospedale Vito Fazzi
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Luigi de Martino
Department of Cardiovascular Sciences Gemelli Molise Campobasso Italy
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Diego Magnano
Department of Cardiovascular Sciences Gemelli Molise Campobasso Italy
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Giuseppe Mastrototaro
Ospedale Santa Maria
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Michele Di Mauro
Universiteit Maastricht Cardiovascular Research Institute Maastricht
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Abstract

Background. Deep hypothermic circulatory arrest (DHCA) at ≤20°C for aortic arch surgery has been widely used for decades, with or without cerebral perfusion (CP), antegrade (ACP) or retrograde. In recent years nadir temperature progressively increased to 26-28 °C (moderately hypothermic circulatory arrest, MHCA), adding ACP. Aim of this multicentric study is to evaluate early results of aortic arch surgery and if DHCA with 10-minute of cold reperfusion at the same nadir temperature of the CA before rewarming (delayed rewarming, DR) can provide a neuroprotection and a lower body protection similar to that provided by MHCA+ACP. Methods. Two-hundred-ten patients were included in the study. DHCA+DR was used in 59 patients and MHCA+ACP in 151. Primary endpoints were death, neurologic event (NE), temporary (TNE) or permanent (permanent neurologic deficit, PND), and need of renal replacement therapy (RRT). Results. Operative mortality occurred in 14 patients (6.7%), NEs in 17 (8.1%) and PNDs in 10 (4.8%). Twenty-three patients (10.9%) needed RRT. Death+PND occurred in 21 patients (10%) and composite endpoint in 35 (19.2%). Intergroup weighed logistic regression analysis showed similar prevalence of deaths, NDs and death+PND, but need of RRT (OR 7.39, CI 1.37-79.1) and composite endpoint (OR 8.97, CI 1.95-35.3) were significantly lower in DHCA+DR group compared with MHCA+ACP group. Conclusions. The results of our study demonstrate that DHCA+DR has the same prevalence of operative mortality, NE and association of death+PND than MHCA+ACP. However, the data suggests that DHCA+DR when compared with MHCA+ACP provides better renal protection and reduced prevalence of composite endpoint.
23 Sep 2022Submitted to Journal of Cardiac Surgery
23 Sep 2022Submission Checks Completed
23 Sep 2022Assigned to Editor
14 Oct 2022Reviewer(s) Assigned
26 Oct 2022Review(s) Completed, Editorial Evaluation Pending
27 Oct 2022Editorial Decision: Accept
Dec 2022Published in Journal of Cardiac Surgery volume 37 issue 12 on pages 4982-4990. 10.1111/jocs.17207