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Semi-Minimal Invasive Method to Induce Myocardial Infarction in Rats and the Assessment of Cardiac Function by an Isolated Working Heart System

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Ministernotomy in myocardial revascularization preserves postoperative pulmonary function.

Solange Guizilini¹, Douglas W Bolzan, Sonia M Faresin

¹Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil.

Arquivos Brasileiros De Cardiologia

|October 22, 2010

Summary

Ministernotomy approach in coronary artery bypass graft (CABG) surgery leads to better postoperative pulmonary function and faster recovery compared to conventional midsternotomy. This minimally invasive technique also reduces pain and hospital stay.

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Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement

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Semi-Minimal Invasive Method to Induce Myocardial Infarction in Rats and the Assessment of Cardiac Function by an Isolated Working Heart System

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Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement

Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement

Published on: March 26, 2018

Area of Science:

Cardiothoracic Surgery
Pulmonary Function Testing
Minimally Invasive Surgery

Background:

Midsternotomy in coronary artery bypass graft (CABG) surgery is linked to reduced postoperative pulmonary function.
Optimizing surgical approaches is crucial for patient recovery after CABG.

Purpose of the Study:

To prospectively compare early postoperative pulmonary function in patients undergoing off-pump CABG using conventional midsternotomy versus ministernotomy.

Main Methods:

18 patients were divided into Conventional Midsternotomy (CMS) and Ministernotomy (MS) groups.
Spirometry (FVC, FEV1), arterial gasometry, pulmonary shunt, and pain scores were assessed postoperatively.

Main Results:

Ministernotomy group showed significantly higher FVC and FEV1 on postoperative days 1, 3, and 5.
The MS group exhibited better FVC recovery, lower pulmonary shunt, reduced pain, and shorter hospital stay.
Arterial oxygen levels (PaO2) decreased in both groups, but less severely in the MS group.

Conclusions:

Ministernotomy approach in CABG surgery results in superior preservation and recovery of pulmonary function.
The ministernotomy technique offers advantages over conventional midsternotomy for CABG patients.