Hybrid coronary revascularization

Hybrid coronary bypass is a relatively new procedure and alternative to traditional bypass surgery that is defined by the performance of coronary bypass surgery and coronary stenting during the same operation. It is not to be confused with a MIDCAB(Minimally invasive direct coronary artery bypass surgery) procedure, which uses the smaller thoracotomy incision but does not involve coronary stenting.[1]

Benefits

Hybrid bypass offers all the benefits of a MIDCAB

  1. A much smaller incision (made through the rib cage as opposed to cutting the sternum and opening the rib cage) than with traditional bypass surgery.
  2. Less pain for the patient and quicker recovery time. Particularly in high risk patients, morbidity and mortality decreases in comparison to conventional surgery.[2][3] A study from FuWai Hospital in Beijing[4] reports on 104 patients with multivessel coronary artery disease who were compared with the same sized group of patients undergoing off pump surgery using propensity score matching. The patients treated with the hybrid approach had a significantly lower ICU stay and intubation time and experienced less complications in terms of bleeding and transfusions needs. At a median follow up of 18 months, patients undergoing the hybrid procedure also had a significantly higher freedom from major adverse cardiac or cerebrovascular events (99% vs. 90.4%; p = 0.03).[5]
  3. Less risk of complications, infections etc. and also decreases the necessity for two separate cardiac procedures (bypass and stenting).[1] However, it requires the implementation of suitable X-ray equipment in the OR, i.e. a hybrid operating room. Helpful in this regard is the regular use of completion angiography. In a study designed and published by the Vanderbilt Heart and Vascular Institute,[6] routine intraoperative completion angiography performed in a fully functional hybrid operation room detected important defects in 97 of 796 (12% of the grafts) venous coronary artery bypass grafts in 366 adult patients (14% of the patients) with complex coronary artery disease. Their findings in completion angiography at the end of the operation included suboptimal anastomoses, poor lie of the venous bypass graft, and bypasses to not diseased vessels. The angiography findings led to a change in the management, including minor adjustments of the graft, traditional surgical revision or percutaneous coronary interventions, resulting in optimal bypass outcomes.[5]
  4. In the study from FuWai, the hybrid procedure was also less costly than an exclusively percutaneous strategy.[4]

See also

References

  1. 1 2 Murphy GJ, Bryan AJ, Angelini GD (November 2004). "Hybrid coronary revascularization in the era of drug-eluting stents". Ann. Thorac. Surg. 78 (5): 1861–7. doi:10.1016/j.athoracsur.2004.07.024. PMID 15511503.
  2. ↑ Kon, Z.; Brown, E.; Tran, R.; Joshi, A.; Reicher, B.; Grant, M.C.; Kallam, S.; Burris, N.; Connerney, I.; Zimrin, D. & Poston, R.S. (2008). Simultaneous hybrid coronary revascularization reduces postoperative morbidity compared with results from conventional off-pump coronary artery bypass. The Journal of Thoracic and Cardiovascular Surgery, Vol.135, No.2, (February 2008), pp. 367–375, PII S0022-5223(07)01592-9
  3. ↑ Bonatti, J.; Schachner, T.; Bonaros, N.; Jonetzko, P.; Ohlinger, A.; Ruetzler, E.; Kolbitsch, C.; Feuchtner, G.; Laufer, G.; Pachinger, O. & Friedrich, G. (2008). Simultaneous hybrid coronary revascularization using totally endoscopic left internal mammary artery bypass grafting and placement of rapamycin eluting stents in the same interventional session. The COMBINATION pilot study. Cardiology, Vol.110, No.2, pp. 92-95, PMID 17971657 [PubMed - indexed for MEDLINE]
  4. 1 2 Hu, S.; Li, Q.; Gao, P. et al. (2011). Simultaneous hybrid revascularization versus off-pump coronary artery bypass for multivessel coronary artery disease. TheAnnals of Thoracic Surgery, Vol.91, pp. 432–439
  5. 1 2 Nollert, G.; Hartkens, T.; Figel, A.; Bulitta, C.; Altenbeck, F.; Gerhard, V. (2011). "The Hybrid Operating Room" in Special Topics in Cardiac Surgery / Book 2. Intechweb. ISBN 978-953-51-0148-2. doi:10.5772/27599.
  6. ↑ Zhao, D.X.; Leacche, M.; Balaguer, J.M.; Boudoulas, K.D.; Damp, J.A.; Greelish, J.P. & Byrne, J.G. (2009). Routine Intraoperative Completion Angiography After Coronary Artery Bypass Grafting and 1-Stop Hybrid Revascularization Results From a Fully Integrated Hybrid Catheterization Laboratory/Operating Room. Journal of the American College of Cardiology, Vol.53, No.3, (January 2009), pp. 232–241
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