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Cardiac - Physiology

September 27, 2016
In this single institution retrospective study of postoperative cardiac surgery patients, serum potassium and magnesium levels at times when postoperative atrial fibrillation (POAF) occured were compared with levels in patients who did not experience POAF.  The incidence of POAF was 37%, and was associated with increasing magnesium levels.
August 2, 2016
Physiologic effects of pulmonary endarterectomy (PEA) for chronic thromboembolic disease (CTED) were studied 1 year postop.  PEA resulted in improved RV stroke volume response, heart rate response, and ventilatory efficiency related to exercise. 
June 25, 2016
A large retrospective study of the UNOS database advances that elevated troponin I  in selected cardiac donors is NOT associated with various adverse events. The conclusion is likely to stimulate heated discussions.
May 5, 2016
The authors measured serum amino-terminal procollagen III (PIII) as a marker of myocardial fibrogenesis in patients undergoing the Fontan procedure for single ventricle circulation and in controls.  Patients with single venticle circulation had elevated PIII levels compared to controls.  Staged Fontan elements successively reduced PIII levels.   The
March 31, 2016
A commentary and follow-up comment on last year's ERICCA and RIPHeart- related publications in the NEJM.
March 24, 2016
For you chocolate lovers out there, hard evidence that dark chocolate can boost endurance performance.
March 4, 2016
Lactic acidosis is a very common biological issue for the postoperative patient with shock. This very nice review addresses thehemodynamic consequences of shock-associated lactic acidosis and highlights the various therapeutic options that can be considered by the bedside clinician.
February 18, 2016
An Editorial suggesting that atheroma is here to stay...
October 5, 2015
Pts undergoing cardiac surgery requiring CPB were randomized to remote ischemic preconditioning of the upper extremity or sham intervention.  The end point was combined death, MI, stroke, and acute renal failure during hospitalization, and secondary endpoints were the occurrence of any such event within 90 days.  Outcomes were similar between the gro
August 30, 2015
Multicenter trial examining the efficacy of a miniaturized and fully self-contained leadless pacemaker percutaneously implanted into the right ventricle.  The leadless pacemaker met prespecified pacing and sensing requirements with 1 in 15 patients experiencing adverse device related events.

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