Publications by authors named "Seenu Reddy"

Enhanced Recovery After Surgery (ERAS) programs have been shown to lessen surgical insult, promote recovery, and improve postoperative clinical outcomes across a number of specialty operations. A core tenet of ERAS involves the provision of protocolized evidence-based perioperative interventions. Given both the growing enthusiasm for applying ERAS principles to cardiac surgery and the broad scope of relevant interventions, an international, multidisciplinary expert panel was assembled to derive a list of potential program elements, review the literature, and provide a statement regarding clinical practice for each topic area.

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Objective: The study objective was to report early outcomes of integrating Hypotension Prediction Index-guided hemodynamic management within a cardiac enhanced recovery pathway on total initial ventilation hours and length of stay in the intensive care unit.

Methods: A multicenter, historical control, observational analysis of implementation of a hemodynamic management tool within enhanced recovery pathways was conducted by identifying cardiac surgery cases from 3 sites during 2 time periods, August 1 to December 31, 2019 (preprogram), and April 1 to August 31, 2021 (program). Reoperations, emergency (salvage), or cases requiring mechanical assist were excluded.

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Despite the benefits established for multiple surgical specialties, enhanced recovery after surgery has been underused in cardiac surgery. A cardiac enhanced recovery after surgery summit was convened at the 102nd American Association for Thoracic Surgery annual meeting in May 2022 for experts to convey key enhanced recovery after surgery concepts, best practices, and applicable results for cardiac surgery. Topics included implementation of enhanced recovery after surgery, prehabilitation and nutrition, rigid sternal fixation, goal-directed therapy, and multimodal pain management.

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Objectives: Acute kidney injury (AKI) is increasingly recognized as a source of poor patient outcomes after cardiac surgery. The purpose of the present report is to provide perioperative teams with expert recommendations specific to cardiac surgery-associated AKI (CSA-AKI).

Methods: This report and consensus recommendations were developed during a joint, in-person, multidisciplinary conference with the Perioperative Quality Initiative and the Enhanced Recovery After Surgery Cardiac Society.

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Background: Despite the emergence of Enhanced Recovery Protocols (ERPs) in cardiac surgery, there is no consensus on the essential elements for data reporting for quality improvement efforts, as well as accountability and standardization of outcome reporting across institutions. The aim of this study was to establish a consensus on essential data elements for cardiac ERAS®.

Methods: A 2-round modified Delphi technique was utilized based on existing recommendations from the recently published ERAS® cardiac surgery consensus guidelines.

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Objective: The present study investigated outcomes in patients with vasoplegia after cardiac surgery treated with angiotensin II plus standard-of-care vasopressors. Vasoplegia is a common complication in cardiac surgery with cardiopulmonary bypass and is associated with significant morbidity and mortality. Approximately 250,000 cardiac surgeries with cardiopulmonary bypass are performed in the United States annually, with vasoplegia occurring in 20%to-27% of patients.

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Background: Many online resources currently provide healthcare information to the public. In 2015, the Society of Thoracic Surgeons (STS) created a multimedia web portal (ctsurgerypatients.org) to educate the public regarding cardiothoracic surgery and provide an informative tool to which cardiothoracic surgeons could refer patients.

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Background: The first FDA-approved test to assess risk for acute kidney injury (AKI), [TIMP-2]•[IGFBP7], is clinically available in many parts of the world, including the USA and Europe. We sought to understand how the test is currently being used clinically.

Methods: We invited a group of experts knowledgeable on the utility of this test for kidney injury to a panel discussion regarding the appropriate use of the test.

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Enhanced Recovery After Surgery (ERAS) evidence-based protocols for perioperative care can lead to improvements in clinical outcomes and cost savings. This article aims to present consensus recommendations for the optimal perioperative management of patients undergoing cardiac surgery. A review of meta-analyses, randomized clinical trials, large nonrandomized studies, and reviews was conducted for each protocol element.

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Background: Recombinant and plasma-derived factor products, such as activated factor seven (rFVIIa) and four-factor prothrombin complex concentrate (4-factor PCC), have been used off-label for bleeding after cardiac surgery, but little evidence has been published regarding their efficacy and safety.

Objective: To determine whether there is a difference in chest tube output in patients who have received 4-factor PCC or rFVIIa for critical postoperative bleeding associated with cardiovascular surgery.

Methods: A retrospective chart review was conducted utilizing the electronic medical record system at a 657-bed community, tertiary care hospital in Nashville, Tennessee.

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Objective: Decreased morbidity makes endovascular treatment preferable for certain central aortic and great vessel injuries. We present a case of penetrating innominate injury, describe considerations of a catheter-based approach, and provide follow-up of repair.

Methods: A case report and review of the literature.

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Endovascular techniques and videoscopic assisted thoracoscopic surgery have been selectively applied in the trauma setting. These techniques continue to evolve and have gained acceptance as the treatment of choice for certain traumatic thoracic injuries.

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The objective of this study was to determine whether heme oxygenase-1 (HO-1) or heme metabolites exert cytoprotective effects on interleukin-18-mediated endothelial cell (EC) death. Treatment with interleukin (IL)-18 increased NF-kappaB activation and PTEN induction, suppressed Akt activation, and stimulated EC death. While ectopic expression of p65 enhanced PTEN transcription, adenoviral transduction of dnIkappaB-alpha, dnp65, or dnIKKbeta was inhibitory.

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Less than 25 cases of primary malignant melanoma of the lung have been reported in the literature, with limited mention in the surgical literature. When published criteria are strictly applied, the actual number of cases is even fewer. We report the case of a 74-year-old man who underwent a left lower pulmonary lobectomy for a large left lower lobe mass consistent with malignancy.

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Background: This retrospective study was undertaken to determine the long-term angiographic patency and clinical outcomes of the endoscopic atraumatic coronary artery bypass (endoACAB) procedure.

Methods: Between November 1997 and March 2005, 607 consecutive patients underwent an endoACAB consisting of (1) unilateral or bilateral manual, thoracoscopic internal mammary artery (IMA) harvesting, (2) creation of a needle-directed access port in the thoracic soft tissue (non-rib-spreading), (3) cardiac positioning and stabilization using port-based instrumentation, and (4) off-pump, direct-vision, hand-sewn anastomoses to the left anterior descending (LAD), diagonal, obtuse marginal, or main right coronary arteries, or a combination. Mean follow-up time was 18.

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Diaphragmatic hernia complicating pregnancy rarely occurs, but it is frequently misdiagnosed. A strangulated diaphragmatic hernia in a pregnant patient presents a true surgical emergency, and delay in operative intervention can result in fetal and maternal mortality in as many as 50% of cases. We describe a case report of a pregnant patient and her fetus surviving after a spontaneous gastric rupture from a strangulated diaphragmatic hernia.

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Background: Intractable hemorrhage after complex cardiovascular operations is a serious and potentially lethal complication. We report our experience with the use of activated recombinant factor VIIa (rFVIIa) as rescue therapy for patients with refractory postoperative hemorrhage.

Methods: From April 2002 through December 2003, 9 patients received rFVIIa for intractable hemorrhage after cardiovascular surgery.

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Background: The use of radial arteries for coronary revascularization is increasing. There remain concerns regarding alteration of upper extremity function after radial artery procurement. This study evaluates the functional morbidity in higher risk patients.

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Background: The intermediate and long-term results of cardiac transplantation continue to improve. Subsequent cardiac procedures may be required to extend patient survival and protect graft function.

Methods: The medical records of all adult and pediatric cardiac transplant recipients who underwent a subsequent cardiac procedure at our institution were reviewed.

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Renal transplantation remains a mainstay of therapy for end-stage renal disease. Cardiac disease has a high prevalence in this patient population. This study reviews the factors and outcomes associated with cardiac surgery in renal transplant recipients.

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