The Annals of thoracic surgery
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Comparative Study
Functional restoration of diaphragmatic paralysis: an evaluation of phrenic nerve reconstruction.
Unilateral diaphragmatic paralysis causes respiratory deficits and can occur after iatrogenic or traumatic phrenic nerve injury in the neck or chest. Patients are evaluated using spirometry and imaging studies; however, phrenic nerve conduction studies and electromyography are not widely available or considered; thus, the degree of dysfunction is often unknown. Treatment has been limited to diaphragmatic plication. Phrenic nerve operations to restore diaphragmatic function may broaden therapeutic options. ⋯ Phrenic nerve operations for functional restoration of the paralyzed diaphragm should be part of the standard treatment algorithm in the management of symptomatic patients with this condition. Assessment of neuromuscular dysfunction can aid in determining the most effective therapy.
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This study compared surgical outcomes of patients with previous cardiac surgery undergoing transapical transcatheter aortic valve implantation (PCS-TA-TAVI) with those of patients undergoing transapical transcatheter aortic valve implantation as an initial procedure (initial TA-TAVI) by using propensity analysis. ⋯ Transapical transcatheter aortic valve implantation has simplified surgical treatment of high-risk patients with previous cardiac surgery and severe aortic valve stenosis and is associated with minimal risk of stroke. Furthermore, current data suggest that the presence of previous cardiac surgery does not impair outcomes after transapical transcatheter aortic valve implantation, making this subset of patients particularly applicable for this evolving approach.
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Comparative Study
A comparison of the systems for the identification of postoperative acute kidney injury in pediatric cardiac patients.
The pediatric-modified Risk, Injury, Failure and Loss, and End-Stage (pRIFLE) criteria and a different but conceptually similar system termed Acute Kidney Injury Network (AKIN) were created to standardize the definition of acute kidney injury (AKI) in children. Kidney Disease: Improving Global Outcomes (KDIGO) currently recommends a combination of AKIN and pRIFLE in AKI. This study aimed to compare the three classifications for predicting AKI in pediatric patients undergoing cardiac operations. ⋯ The pRIFLE system was the most sensitive test in detecting AKI, and this was especially so in the infant age group and also in the early identification of AKI in low-risk patients. The AKIN system was more specific and detected mostly high-risk patients across all age groups. The KDIGO classification system fell between pRIFLE and AKIN in performance. All three had increasing severity of AKI associated with mortality.
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The impact of antegrade versus retrograde perfusion during cardiopulmonary bypass on short- and long-term outcome after repair for acute type A aortic dissection is controversial. ⋯ Survival during the initial perioperative period was equivalent comparing antegrade and retrograde perfusion. Antegrade perfusion to the true lumen, however, appears to be associated with superior long-term survival after hospital discharge.
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Comparative Study
Failure-to-rescue rate as a measure of quality of care in a cardiac surgery recovery unit: a five-year study.
Failure to rescue, which is defined as the probability of death after a complication that was not present on admission, was introduced as a quality measure in the 1990s, to complement mortality and morbidity outcomes. The objective of this study was to evaluate possible incremental benefits of measuring failure to rescue after cardiac surgery, to facilitate quality improvement efforts. ⋯ Failure to rescue should be monitored as a quality-of-care metric, in addition to mortality and complication rates. Postoperative renal failure and septicemia still have a high failure-to-rescue rate and should be targeted by quality improvement efforts.