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Colak M, Ceylan G, Topal S, Sarac Sandal O, Atakul G, Soydan E, Sarı F, Hepduman P, Karaarslan U, Ağın H. Evaluation of renal near-infrared spectroscopy for predicting extubation outcomes in the pediatric intensive care setting. Front Pediatr 2024; 11:1326550. [PMID: 38313403 PMCID: PMC10834679 DOI: 10.3389/fped.2023.1326550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/11/2023] [Indexed: 02/06/2024] Open
Abstract
Background In pediatric intensive care units, extubation failure following invasive mechanical ventilation poses significant health risks. Determining readiness for extubation in children can minimize associated morbidity and mortality. This study investigates the potential role of renal near-infrared spectroscopy (RrSO2) in predicting extubation failure in pediatric patients. Methods A total of 84 patients aged between 1 month and 18 years, mechanically ventilated for at least 24 h, were included in this prospective study. RrSO2 levels were measured using near-infrared spectroscopy before and during an extubation readiness test (ERT). The primary outcome measure was extubation failure, defined as a need for reintubation within 48 h. Results Of the 84 patients, 71 (84.6%) were successfully extubated, while 13 (15.4%) failed extubation. RrSO2 was found to be lower in the failed extubation group, also decrease in RrSO2 values during ERT was significantly greater in patients with extubation failure. ROC analysis indicated a decrease in ΔRrSO2 of more than 6.15% from baseline as a significant predictor of extubation failure, with a sensitivity of 0.984 and a specificity of 0.889. Conclusion Monitoring changes in RrSO2 values may serve as a helpful tool to predict extubation failure in pediatric patients. Further multi-center research is warranted to improve the generalizability and reliability of these findings.
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Affiliation(s)
- Mustafa Colak
- Department of Paediatric Intensive Care Unit, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
| | - Gokhan Ceylan
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
- Department of Medical Research, Hamilton Medical AG, Bonaduz, Switzerland
| | - Sevgi Topal
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
| | - Ozlem Sarac Sandal
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
| | - Gulhan Atakul
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
| | - Ekin Soydan
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
| | - Ferhat Sarı
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
| | - Pinar Hepduman
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
| | - Utku Karaarslan
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
| | - Hasan Ağın
- Department of Paediatric Intensive Care Unit, Dr Behcet Uz Children's Disease and Surgery Training and Research Hospital, Health Sciences University, Izmir, Turkey
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Descriptors of Failed Extubation in Norwood Patients Using Physiologic Data Streaming. Pediatr Cardiol 2023; 44:396-403. [PMID: 36562780 DOI: 10.1007/s00246-022-03084-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
The objective of this study is to evaluate the utility of high-frequency physiologic data during the extubation process and other clinical variables for describing the physiologic profile of extubation failure in neonates with hypoplastic left heart syndrome (HLHS) post-Norwood procedure. This is a single-center, retrospective analysis. Extubation events were collected from January 2016 until July 2021. Extubation failure was defined as the need for re-intubation within 48 h of extubation. The data included streaming heart rate, respiratory rate, blood pressure, arterial oxygen saturation, and cerebral/renal near-infrared spectroscopy (NIRS). The most recent blood laboratory results before extubation were also included. These markers, demographics, clinical characteristics, and ventilatory settings were compared between successful and failed extubations. The analysis included 311 extubations. The extubation failure rate was 10%. According to univariable analyses, failed extubations were preceded by higher respiratory rates (p = 0.029), lower end-tidal CO2 (p = 0.009), lower pH (p = 0.043), lower serum bicarbonate (p = 0.030), and lower partial pressure of O2 (p = 0.022). In the first 10 min after extubation, the failed events were characterized by lower arterial (p = 0.028) and cerebral NIRS (p = 0.018) saturations. Failed events were associated with persistently lower values for cerebral NIRS 2 h post-extubation (p = 0.027). In multivariable analysis, vocal cord anomaly, cerebral NIRS at 10 min post-extubation, renal NIRS at pre-extubation and post-extubation, and end-tidal CO2 at pre-extubation remained as significant co-variables. Oximetric indices before, in the 10 min immediately after, and 2 h after extubation and vocal cords paralysis are associated with failed extubation events in patients with parallel circulation.
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Hames DL, Sleeper LA, Bullock KJ, Feins EN, Mills KI, Laussen PC, Salvin JW. Associations With Extubation Failure and Predictive Value of Risk Analytics Algorithms With Extubation Readiness Tests Following Congenital Cardiac Surgery. Pediatr Crit Care Med 2022; 23:e208-e218. [PMID: 35184097 PMCID: PMC9058191 DOI: 10.1097/pcc.0000000000002912] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Extubation failure is associated with morbidity and mortality in children following cardiac surgery. Current extubation readiness tests (ERT) do not consider the nonrespiratory support provided by mechanical ventilation (MV) for children with congenital heart disease. We aimed to identify factors associated with extubation failure in children following cardiac surgery and assess the performance of two risk analytics algorithms for patients undergoing an ERT. DESIGN Retrospective cohort study. SETTING CICU at a tertiary-care children's hospital. PATIENTS Children receiving MV greater than 48 hours following cardiac surgery between January 1, 2017, and December 31, 2019. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Six hundred fifty encounters were analyzed with 49 occurrences (8%) of reintubation. Extubation failure occurred most frequently within 6 hours of extubation. On multivariable analysis, younger age (per each 3-mo decrease: odds ratio [OR], 1.06; 95% CI, 1.001-1.12), male sex (OR, 2.02; 95% CI, 1.03-3.97), Society of Thoracic Surgery-European Association for Cardiothoracic Surgery category 5 procedure (p equals to 0.005), and preoperative respiratory support (OR, 2.08; 95% CI, 1.09-3.95) were independently associated with unplanned reintubation. Our institutional ERT had low sensitivity to identify patients at risk for reintubation (23.8%; 95% CI, 9.7-47.6%). The addition of the inadequate delivery of oxygen (IDO2) index to the ERT increased the sensitivity by 19.0% (95% CI, -2.5 to 40.7%; p = 0.05), but the sensitivity remained low and the accuracy of the test dropped by 8.9% (95% CI, 4.7-13.1%; p < 0.01). CONCLUSIONS Preoperative respiratory support, younger age, and more complex operations are associated with postoperative extubation failure. IDO2 and IVCO2 provide unique cardiorespiratory monitoring parameters during ERTs but require further investigation before being used in clinical evaluation for extubation failure.
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Affiliation(s)
- Daniel L. Hames
- Division of Cardiovascular Critical Care, Department of Cardiology, Boston Children’s Hospital
- Department of Pediatrics, Harvard Medical School, Boston, MA
| | - Lynn A. Sleeper
- Department of Cardiology, Boston Children’s Hospital, Boston, MA
- Department of Pediatrics, Harvard Medical School, Boston, MA
| | - Kevin J. Bullock
- Department of Respiratory Care, Boston Children’s Hospital, Boston, MA
| | - Eric N. Feins
- Department of Cardiac Surgery, Boston Children’s Hospital, Boston, MA
- Department of Surgery, Harvard Medical School, Boston, MA
| | - Kimberly I. Mills
- Division of Cardiovascular Critical Care, Department of Cardiology, Boston Children’s Hospital
- Department of Pediatrics, Harvard Medical School, Boston, MA
| | - Peter C. Laussen
- Department of Anesthesia, Boston Children’s Hospital, Boston, MA
- Department of Anesthesia, Harvard Medical School, Boston, MA
| | - Joshua W. Salvin
- Division of Cardiovascular Critical Care, Department of Cardiology, Boston Children’s Hospital
- Department of Pediatrics, Harvard Medical School, Boston, MA
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Near-infrared Spectroscopy-derived Cerebral Autoregulation Indices Independently Predict Clinical Outcome in Acutely Ill Comatose Patients. J Neurosurg Anesthesiol 2021; 32:234-241. [PMID: 30864999 PMCID: PMC6732251 DOI: 10.1097/ana.0000000000000589] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Outcome prediction in comatose patients with acute brain injury remains challenging. Regional cerebral oxygenation (rSO2) derived from near-infrared spectroscopy (NIRS) is a surrogate for cerebral blood flow and can be used to calculate cerebral autoregulation (CA) continuously at the bedside from the derived cerebral oximetry index (COx). We hypothesized that COx derived thresholds for CA are associated with outcomes in patients with acute coma from neurological injury. METHODS A prospective cohort study was conducted in 88 acutely comatose adults with heterogenous brain injury diagnoses who were continuously monitored with COx for up to 3 consecutive days. Multivariable logistic regression was performed to investigate association between averaged COx and short (in-hospital and 3 mo) and long-term (6 mo) outcomes. RESULTS Six month mortality rate was 62%. Median COx in nonsurvivors at hospital discharge was 0.082 [interquartile range, IQR: 0.045 to 0.160] compared with 0.042 [IQR: -0.005 to 0.110] in survivors (P=0.012). At 6 months, median COx was 0.075 [IQR: 0.27 to 0.158] in nonsurvivors compared with 0.029 [IQR: -0.015 to 0.077] in survivors (P=0.02). In the multivariable logistic regression model adjusted for confounders, average COx ≥0.05 was associated with both in-hospital mortality (adjusted odds ratio [OR]=2.9, 95% confidence interval [CI]=1.15-7.33, P=0.02), mortality at 6 months (adjusted OR=4.4, 95% CI=1.41-13.7, P=0.01), and severe disability (modified Rankin Score ≥4) at 6 months (adjusted OR=4.4, 95% CI=1.07-17.8, P=0.04). Area under the receiver operating characteristic curve for predicting mortality and severe disability at 6 months were 0.783 and 0.825, respectively. CONCLUSIONS Averaged COx ≥0.05 is independently associated with short and long-term mortality and long-term severe disability in acutely comatose adults with neurological injury. We propose that COx ≥0.05 represents an accurate threshold to predict long-term functional outcome in acutely comatose adults.
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Abstract
INTRODUCTION Reliable predictors of extubation readiness are needed and may reduce morbidity related to extubation failure. We aimed to examine the relationship between changes in pre-extubation near-infrared spectroscopy measurements from baseline and extubation outcomes after neonatal cardiac surgery. MATERIALS AND METHODS In this retrospective cross-sectional multi-centre study, a secondary analysis of prospectively collected data from neonates who underwent cardiac surgery at seven tertiary-care children's hospitals in 2015 was performed. Extubation failure was defined as need for re-intubation within 72 hours of the first planned extubation attempt. Near-infrared spectroscopy measurements obtained before surgery and before extubation in patients who failed extubation were compared to those of patients who extubated successfully using t-tests. RESULTS Near-infrared spectroscopy measurements were available for 159 neonates, including 52 with single ventricle physiology. Median age at surgery was 6 days (range: 1-29 days). A total of 15 patients (9.4 %) failed extubation. Baseline cerebral and renal near-infrared spectroscopy measurements were not statistically different between those who were successfully extubated and those who failed, but pre-extubation cerebral and renal values were significantly higher in neonates who extubated successfully. An increase from baseline to time of extubation values in cerebral oximetry saturation by ≥ 5 % had a positive predictive value for extubation success of 98.6 % (95%CI: 91.1-99.8 %). CONCLUSION Pre-extubation cerebral near-infrared spectroscopy measurements, when compared to baseline, were significantly associated with extubation outcomes. These findings demonstrate the potential of this tool as a valuable adjunct in assessing extubation readiness after paediatric cardiac surgery and warrant further evaluation in a larger prospective study.
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Extubation Failure after Neonatal Cardiac Surgery: A Multicenter Analysis. J Pediatr 2017; 182:190-196.e4. [PMID: 28063686 DOI: 10.1016/j.jpeds.2016.12.028] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 10/18/2016] [Accepted: 12/08/2016] [Indexed: 01/23/2023]
Abstract
OBJECTIVES To describe the epidemiology of extubation failure and identify risk factors for its occurrence in a multicenter population of neonates undergoing surgery for congenital heart disease. STUDY DESIGN We conducted a prospective observational study of neonates ≤30 days of age who underwent cardiac surgery at 7 centers within the US in 2015. Extubation failure was defined as reintubation within 72 hours of the first planned extubation. Risk factors were identified with the use of multivariable logistic regression analysis and reported as OR with 95% CIs. Multivariable logistic regression analysis was conducted to examine the relationship between extubation failure and worse clinical outcome, defined as hospital length of stay in the upper 25% or operative mortality. RESULTS We enrolled 283 neonates, of whom 35 (12%) failed their first extubation at a median time of 7.5 hours (range 1-70 hours). In a multivariable model, use of uncuffed endotracheal tubes (OR 4.6; 95% CI 1.8-11.6) and open sternotomy of 4 days or more (OR 4.8; 95% CI 1.3-17.1) were associated independently with extubation failure. Accordingly, extubation failure was determined to be an independent risk factor for worse clinical outcome (OR 5.1; 95% CI 2-13). CONCLUSIONS In this multicenter cohort of neonates who underwent surgery for congenital heart disease, extubation failure occurred in 12% of cases and was associated independently with worse clinical outcome. Use of uncuffed endotracheal tubes and prolonged open sternotomy were identified as independent and potentially modifiable risk factors for the occurrence of this precarious complication.
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Hickok RL, Spaeder MC, Berger JT, Schuette JJ, Klugman D. Postoperative Abdominal NIRS Values Predict Low Cardiac Output Syndrome in Neonates. World J Pediatr Congenit Heart Surg 2016; 7:180-4. [DOI: 10.1177/2150135115618939] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Background: The development of low cardiac output syndrome (LCOS) after cardiopulmonary bypass (CPB) occurs in up to 25% of neonates and is associated with increased morbidity. Invasive cardiac output monitors such as pulmonary artery catheters have limited availability and are costly. Near-infrared spectroscopy (NIRS) is a noninvasive tool for monitoring regional oxygenation in neonates in the cardiac intensive care unit (CICU). We hypothesize that anterior abdominal NIRS may aid in the early identification of LCOS after cardiac surgery. Methods: Prospective observational study from October 2013 to October 2014 of all neonates with congenital heart disease admitted to the CICU following CPB. Abdominal NIRS values were continuously recorded upon CICU admission and for the subsequent 24-hour period. The primary outcome was the development of LCOS. Low cardiac output syndrome was defined as the presence of metabolic lactic acidosis (pH < 7.3 and lactate > 4) or addition of a new vasoactive agent or a vasoactive inotropic score > 15. Autoregressive time series models were constructed for each patient based on the continuously recorded NIRS values, and patients were stratified by development of LCOS. Results: Twenty-seven neonates met inclusion criteria, of whom 11 developed LCOS. Neonates who developed LCOS had lower constant NIRS values (49% vs 66%, P < .001). Constant NIRS values less than 58% best predicted development of LCOS with a sensitivity of 100% and specificity of 69%. Conclusion: Lower constant anterior abdominal NIRS values in the early postoperative period may allow early identification of neonates at risk for LCOS.
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Affiliation(s)
- Rhiannon L. Hickok
- Division of Critical Care Medicine, Texas Children's Hospital, Houston, TX, USA
| | - Michael C. Spaeder
- Division of Critical Care Medicine, Children's National Health System, Washington, DC, USA
| | - John T. Berger
- Division of Critical Care Medicine, Children's National Health System, Washington, DC, USA
- Division of Cardiology, Children's National Health System, Washington, DC, USA
| | | | - Darren Klugman
- Division of Critical Care Medicine, Children's National Health System, Washington, DC, USA
- Division of Cardiology, Children's National Health System, Washington, DC, USA
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Cruz SM, Akinkuotu AC, Rusin CG, Cass DL, Lee TC, Welty SE, Olutoye OO. A novel multimodal computational system using near-infrared spectroscopy to monitor cerebral oxygenation during assisted ventilation in CDH patients. J Pediatr Surg 2016; 51:38-43. [PMID: 26585879 DOI: 10.1016/j.jpedsurg.2015.10.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 10/06/2015] [Indexed: 11/15/2022]
Abstract
BACKGROUND/PURPOSE The aim of this study was to create a computational simulator to serve as an early alert system for cerebral hypoxemia prior to the onset of clinical symptoms. METHODS Neonates with congenital diaphragmatic hernia (Jan 2010-Dec 2014) were recruited to collect continuous measurements of cerebral tissue oxygen saturation (cStO2) using a near-infrared spectroscopy (NIRS) device (FORE-SIGHT®, CASMED). Clinicians were blinded to NIRS data and treated infants based on pre-established clinical protocols. Charts were reviewed retrospectively to identify clinical events of hypoxemia (spontaneous, sustained decrease in preductal SpO2<85% leading to ventilator changes). We developed a computational algorithm that determined baseline values, variability and event data for each patient. RESULTS Twenty-three of 36 patients enrolled met data criteria. The algorithm anticipated an event at least 15 minutes prior to the event in 77% of cases, with an average pre-event detection of 47 minutes (range 16-122 minutes). Post-event StO2 (SpO2<85%) was determined to be 63.7% ± 11.7. In this computational model, the sensitivity to distinguish low states of cerebral perfusion was 94% with a specificity of 96%. CONCLUSION We have developed a computational algorithm with an early warning system that has the potential of being translated into a real-time clinical interface that may improve management of neonates.
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Affiliation(s)
- Stephanie M Cruz
- Texas Children's Fetal Center and the Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, United States
| | - Adesola C Akinkuotu
- Texas Children's Fetal Center and the Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, United States
| | - Craig G Rusin
- Department of Pediatrics-Cardiology Division, Baylor College of Medicine, Houston, TX, United States
| | - Darrell L Cass
- Texas Children's Fetal Center and the Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, United States; Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX, United States
| | - Timothy C Lee
- Texas Children's Fetal Center and the Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, United States
| | - Stephen E Welty
- Department of Pediatrics-Newborn Section, Baylor College of Medicine, Houston, TX, United States
| | - Oluyinka O Olutoye
- Texas Children's Fetal Center and the Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, United States; Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, TX, United States.
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Failed Extubation in Cardiac Patients: Not Just Case-Mix and Beware of Slow Progression. Pediatr Crit Care Med 2015; 16:883-4. [PMID: 26536552 DOI: 10.1097/pcc.0000000000000545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
OBJECTIVE Extubation failure after neonatal cardiac surgery has been associated with considerable postoperative morbidity, although data identifying risk factors for its occurrence are sparse. We aimed to determine risk factors for extubation failure in our neonatal cardiac surgical population. DESIGN Retrospective chart review. SETTING Urban tertiary care free-standing children's hospital. PATIENTS Neonates (0-30 d) who underwent cardiac surgery at our institution between January 2009 and December 2012 was performed. INTERVENTIONS Extubation failure was defined as reintubation within 72 hours after extubation from mechanical ventilation. Multivariate logistic regression analysis was performed to determine independent risk factors for extubation failure. MEASUREMENTS AND MAIN RESULTS We included 120 neonates, of whom 21 (17.5%) experienced extubation failure. On univariate analysis, patients who failed extubation were more likely to have genetic abnormalities (24% vs 6%; p = 0.023), hypoplastic left heart (43% vs 17%; p = 0.009), delayed sternal closure (38% vs 12%; p = 0.004), postoperative infection prior to extubation (38% vs 11%; p = 0.002), and longer duration of mechanical ventilation (median, 142 vs 58 hr; p = 0.009]. On multivariate analysis, genetic abnormalities, hypoplastic left heart, and postoperative infection remained independently associated with extubation failure. Furthermore, patients with infection who failed extubation tended to receive fewer days of antibiotics prior to their first extubation attempt when compared with patients with infection who did not fail extubation (4.9 ± 2.6 vs 7.3 ± 3; p = 0.073). CONCLUSIONS Neonates with underlying genetic abnormalities, hypoplastic left heart, or postoperative infection were at increased risk for extubation failure. A more conservative approach in these patients, including longer pre-extubation duration of antibiotic therapy for postoperative infections, may be warranted.
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Ricci Z, Haiberger R, Tofani L, Romagnoli S, Favia I, Cogo P. Multisite Near Infrared Spectroscopy During Cardiopulmonary Bypass in Pediatric Patients. Artif Organs 2015; 39:584-90. [DOI: 10.1111/aor.12424] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zaccaria Ricci
- Department of Cardiology and Cardiac Surgery; Pediatric Cardiac Intensive Care Unit; Bambino Gesù Children's Hospital; IRCCS; Rome Italy
| | - Roberta Haiberger
- Department of Cardiology and Cardiac Surgery; Pediatric Cardiac Intensive Care Unit; Bambino Gesù Children's Hospital; IRCCS; Rome Italy
| | - Lorenzo Tofani
- Department of Neurosciences, Psychology, Drug Research and Child Health; University of Florence; Florence Italy
| | - Stefano Romagnoli
- Department of Human Health Sciences; Section of Anaesthesiology and Intensive Care; University of Florence; Azienda Ospedaliero-Universitaria Careggi; Florence Italy
| | - Isabella Favia
- Department of Cardiology and Cardiac Surgery; Pediatric Cardiac Intensive Care Unit; Bambino Gesù Children's Hospital; IRCCS; Rome Italy
| | - Paola Cogo
- Department of Cardiology and Cardiac Surgery; Pediatric Cardiac Intensive Care Unit; Bambino Gesù Children's Hospital; IRCCS; Rome Italy
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