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Journal and News Scan

Source: European Journal of Cardio-Thoracic Surgery
Author(s): Theo Kofidis

This article proposes a set of new techniques for mitral valve repair that employ a running suture rather than individual cords. They follow landmarks such as papillary muscle tips and free leaflet edge running and commissure so that there is little space left for guessing. These techniques could help to manage variability between surgeons and methodologies.

Source: Diagnostic and Interventional Cardiology
Author(s): Diagnostic and Interventional Cardiology Staff

After two months, the first genetically modified pig heart transplant in a human failed, and the patient died after sudden onset of heart failure. This study aimed to determine what led to this outcome after an initially successful transplant. Detailed examination of the patient, postoperative course, and the transplant itself led to the observance of several factors that may have led to the transplant’s failure. 

This article summarizes the study’s findings and pulls in perspectives from experts. For more details, read the original study, which is open access.

Source: The Annals of Thoracic Surgery
Author(s): Bolger, Yeung, et. al

In a single-center experience of 397 patients undergoing esophagectomy for adenocarcinoma (76 percent) or squamous cell carcinoma (22 percent)—of whom 60 percent were either pathologic stage one or two and 90 percent had neoadjuvant therapy—forty-two patients had fewer than fifteen lymph nodes resected and examined. Resecting at least fifteen lymph nodes was associated with a survival benefit in multivariate analysis. The authors conclude that a minimum nodal yield of fifteen should remain standard of care.

Source: European Journal of Cardio-Thoracic Surgery
Author(s): Luehr M, Yildiz M, Ma W, Heck R, Polycarpou A, Jassar A et al.

Prevalence and etiology of type A acute aortic dissection (AADA) in patients less than thirty years of age was investigated through retrospective data collection at sixteen international institutions. 139 cases were identified, representing 1.8 percent of all AADA. Connective tissue disease (CTD) was evident in 36.7 percent of patients. Non-CTD patients had an approximately five-fold higher incidence of arterial hypertension than CTD patients (47 percent versus 10 percent). 9.4 percent of the cohort had a family history of aortic disease. Actuarial survival at ten years postoperatively was 80 percent. The authors concluded that open surgery has good early results and excellent mid- to long-term outcomes.

Source: The Thoracic and Cardiovascular Surgeon
Author(s): Ali El-Sayed Ahmad , Saad Salamate , Sabrina Giammarino , Veceslav Ciobanu, Farhad Bakhtiary

Although septal myectomy and concomitant mitral valve surgery are typical in the treatment of hypertrophic obstructive cardiomyopathy (HOCM), the combination of these procedures through right anterior mini-thoracotomy has rarely been presented in the literature. This study presents a minimally invasive surgical technique and the clinical results of one institution’s experience with this technique over the past four years.

Source: The Annals of Thoracic Surgery
Author(s): Tretter, Anderson, and coauthors

This specialist review of congenital aortic root anatomy provides a detailed framework for evaluating and treating pediatric and adult patients across the whole spectrum of congenital aortic root pathology.

Source: European Journal of Cardiothoracic Surgery
Author(s): Alessandro Brunelli, Herbert Decaluwe, Michel Gonzalez, Dominique Gossot, Rene Horsleben Petersen, Florian Augustin, Jalal Assouad, Jean Marc Baste, Hasan Batirel, Pierre Emmanuel Falcoz, Santiago Figueroa Almanzar, Jozsef Furak, Maria Teresa Gomez-Hernandez, David Gomez de Antonio, Henrik Hansen, Marcelo Jimenez, Aris Koryllos, Elisa Meacci, Isabelle Opitz, Pierre Benoit Pages, Cezary Piwkowski, Enrico Ruffini, Didier Schneiter, Tomaz Stupnik, Zalan Szanto, Pascal Thomas, Alper Toker, Davide Tosi, Giulia Veronesi

This outstanding document has been put together by the guidelines committee of the European Association of Cardiothoracic surgery in response to the two major studies that have just been published on segmentectomy versus lobectomy. This document lays out new international guidance for segmentectomy, including management of the lymph node suitability for the procedure and technical advice, and will serve for many years to come in supporting the move towards segmentectomy as the standard of care for tumors less than 2 cm. 

While this full report is behind a paywall, a detailed abstract is included through the link above.
 

Source: International Journal of Cardiology
Author(s): Alexander Lind, Majid Ahsan Esfahan, Matthias Totzeck, Fadi Al-Rashid, Ali Haddad, Simon Dubler, Thorsten Brenner, Annabell Skarabis, El Gabry Mohamed, Tienush Rassaf, Rolf Alexander Jánosi

Recently, a minimal approach to transcatheter valve replacement using only local anesthesia has been used to promote a faster procedure and recovery time. With this lack of general anesthesia, however, comes more anxiety and the possibility of pain for patients. This single-center study tested the use of virtual reality glasses to provide distraction to patients. The glasses reduced perceived duration and lowered anxiety and pain associated with the procedure. The authors concluded that VR glasses are a safe and effective drug-free option for patients undergoing TAVR with a minimalistic approach.

Source: The Thoracic and Cardiovascular Surgeon
Author(s): Lars Conzelmann , Philipp Grotherr , Lu Dapeng , Alexander Würth , Julian Widder , Claudius Jacobshagen , Uwe Mehlhorn

Transcatheter aortic valve implantation (TAVI) is now a standard procedure for the treatment of symptomatic aortic valve stenosis in many patients. In Germany, according to the annual reports from the German Institute for Quality Assurance and Transparency in Healthcare, the rate of serious intraprocedural complications, such as valve malpositioning or embolization, coronary obstruction, aortic dissection, annular rupture, pericardial tamponade, or severe aortic regurgitation requiring emergency cardiac surgery has decreased markedly in recent years from more than 5.5 percent in 2012 to 2 percent in 2019. However, with increased use, the total number of adverse events remains about 500 per year, about 100 of which require conversion to sternotomy. These sometimes fatal events can occur at any time and are still challenging. Therefore, the interdisciplinary TAVI heart team should be prepared and aware of possible rescue strategies.

Source: The Annals of Thoracic Surgery
Author(s): Arabkhani, Klautz, and coauthors

This single-center study of 299 patients operated on for type-A aortic dissection between 1992 and 2020 reported lower ten-year mortality (32 percent) after prosthetic or valve-sparing root replacement compared with ascending aorta replacement (52 percent; hazard ratio, 1.38; 95 percent CI, 1.12-1.68) without resecting the coronary sinuses, and lower proximal aorta reoperation rates (14 percent vs 23 percent; hazard ratio, 2.08; 95 percent CI, 1.44-5.56). The authors conclude that aortic root replacement should be considered when the aortic root is partially dissected or pathologically dilated.

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