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Martou L, Saxena AK. Laparoscopic repair of duodenal atresia: systematic review and meta-analysis after consistent implementation of the technique in the past decade. Surg Endosc 2024; 38:3296-3309. [PMID: 38658389 DOI: 10.1007/s00464-024-10828-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 03/23/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND Laparoscopic repair of duodenal atresia (LRDA) remains a technically challenging procedure and its benefits ambiguous. To assess the safety and efficacy of LRDA, we performed a systematic review of techniques and material for LRDA and a meta-analysis comparing outcomes with open repair (OR). METHODS Comprehensive search of EMBASSE, PubMed and Cochrane was performed from 2000 to 2023. Studies comparing LRDA with OR were identified and outcomes extracted included operative time, time to enteral feeds, length of hospitalisation, anastomotic leaks and stricture and total complications. χ2 was used to assess associations between complications and conversions rates of different LRDA approaches (laparoscopic technique, suturing technique). Comprehensive meta-analysis was used for Meta-analysis. RESULTS Twelve studies were identified and 1731 patients were enrolled in the study (398 [LRDA] and 1325 [OR]). Total rate of complications and conversion for LRDA was 15.58% and 18.84%, respectively. Complication rates were not significantly affected by operative technique and suturing technique. Conversion rates were not significantly affected operative technique; using a combination of interrupted and running suturing was significantly higher than using running or interrupted (χ2 = 7.45, p < 0.05). Anastomotic leaks, strictures and total complications were equivocal between LRDA and OR (OR 1.672, 95% CI 0.796-3.514; OR 2.010, 95% CI 0.758-5.333; OR 1.172, 95% CI 0.195-7.03). Operative time was significantly greater for LRDA (SDM 1.035, 95% CI 0.574-1.495, p < 0.001). Time to initial and full enteral feeds and length of hospitalisation were shorter in the LRDA group (SDM - 0.493, 95% CI - 2.166 to 1.752, p = 0.466; SDM - 0.207, 95% CI - 1.807 to 0.822, p = 0.019; SDM - 0.111, 95% CI - 1.101 to 0.880, p = 0.466, respectively). CONCLUSIONS LRDA showed equivalent complication rates compared to OR with an additional benefit of quicker establishment of feeds. There was no significant difference in complication and conversion rates between laparoscopic techniques. Despite a longer operative time, LRDA provides a safe minimal access approach for neonates after this consistent implementation of the technique in the past decade.
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Affiliation(s)
- Laura Martou
- Department of Paediatric Surgery, Chelsea Children's Hospital, Chelsea and Westminster Hospital NHS Foundation Trust, Imperial College London, 369 Fulham Road, London, SW10 9NH, UK
| | - Amulya K Saxena
- Department of Paediatric Surgery, Chelsea Children's Hospital, Chelsea and Westminster Hospital NHS Foundation Trust, Imperial College London, 369 Fulham Road, London, SW10 9NH, UK.
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2
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Effects of on-Table Extubation after Pediatric Cardiac Surgery. J Clin Med 2022; 11:jcm11175186. [PMID: 36079121 PMCID: PMC9457288 DOI: 10.3390/jcm11175186] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/20/2022] [Accepted: 08/22/2022] [Indexed: 12/01/2022] Open
Abstract
Background: Enhanced recovery after surgery (ERAS) protocols are utilizing a multidisciplinary approach, reassessing physiology to improve clinical outcomes, reducing length of hospital stay (LOS) stay, resulting in cost reduction. Since its introduction in colorectal surgery. the concept has been utilized in various fields and benefits have been recognized also in adult cardiac surgery. However, ERAS concepts in pediatric cardiac surgery are not yet widely established. Therefore, the aim of the present study was to assess the effects of on-table extubation (OTE) after pediatric cardiac surgery compared to the standard approach of delayed extubation (DET) during intensive care treatment. Study Design and Methods: We performed a retrospective analysis of all pediatric cardiac surgery cases performed in children below the age of two years using cardiopulmonary bypass at our institution in 2021. Exclusion criteria were emergency and off pump surgeries as well as children already ventilated preoperatively. Results: OTE children were older (267.3 days vs. 126.7 days, p < 0.001), had a higher body weight (7.0 ± 1.6 kg vs. 4.9 ± 1.9 kg, p < 0.001), showed significantly reduced duration of ICU treatment (75.9 ± 56.8 h vs. 217.2 ± 211.4 h, p < 0.001) and LOS (11.1 ± 10.2 days vs. 20.1 ± 23.4 days; p = 0.001) compared to DET group. Furthermore, OTE children had significantly fewer catecholamine dependencies at 12-, 24-, 48-, and 72-h post-surgery, while DET children showed a significantly increased intrafluid shift relative to body weight (109.1 ± 82.0 mL/kg body weight vs. 63.0 ± 63.0 mL/kg body weight, p < 0.001). After propensity score matching considering age, weight, bypass duration, Society of Thoracic Surgeons-European Association for Cardio-Thoracic Surgery Mortality (STATS)-Score, and the outcome variables, including duration of ICU treatment, catecholamine dependencies, and hospital LOS, findings significantly favored the OTE group. Conclusion: Our results suggest that on-table extubation after pediatric cardiac surgery is feasible and in our cohort was associated with a favorable postoperative course.
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Weller JH, Engwall-Gill AJ, Westermann CR, Patel PP, Kunisaki SM, Rhee DS. Laparoscopic Versus Open Surgical Repair of Duodenal Atresia: An NSQIP-Pediatric Analysis. J Surg Res 2022; 279:803-808. [PMID: 35487775 DOI: 10.1016/j.jss.2022.04.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 03/18/2022] [Accepted: 04/08/2022] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Laparoscopic repair of duodenal atresia in neonates has gained popularity among some pediatric surgeons. Single-center studies suggest comparable short-term outcomes to open surgery. The purpose of this study was to utilize a large, multi-institutional pediatric dataset to examine 30-day post-operative outcomes by operative approach for newborns who underwent duodenal atresia repairs. METHODS We identified neonates aged ≤1 wk in the 2016-2018 National Surgical Quality Improvement Program-Pediatric -database that underwent a laparoscopic or open repair for duodenal atresia. Preoperative characteristics were compared between operative approaches. Postoperative complications, operative time, postoperative length of stay (LOS), and supplemental nutrition at discharge were assessed using multivariate regressions. RESULTS There were 267 neonates who met inclusion criteria. There were 233 (87%) infants who underwent open repairs and 34 (13%) who underwent laparoscopic repairs. Ten (29%) children who had laparoscopy were converted to open. After adjusting for confounding, laparoscopy was associated with an increase in operative time by 65 min (95% confidence interval 45-87 min, P < 0.001) but a five-day shorter LOS (95% confidence interval -9 to -2, P = 0.006) when compared to laparotomy. There were no significant differences in postoperative complications or supplemental nutrition at discharge. CONCLUSIONS Our findings suggest that laparoscopic repairs of duodenal atresia are associated with shorter postoperative LOS but longer operative times when compared to open repairs. Although the conversion rate to laparotomy remained relatively high, the laparoscopic approach was associated with comparable 30-day postoperative outcomes.
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Affiliation(s)
- Jennine H Weller
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, Maryland
| | - Abigail J Engwall-Gill
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, Maryland
| | - Carly R Westermann
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, Maryland
| | - Palak P Patel
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, Maryland
| | - Shaun M Kunisaki
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, Maryland
| | - Daniel S Rhee
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, Maryland.
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Brévaut-Malaty V, Resseguier N, Garbi A, Tosello B, Thomachot L, Vialet R, Gire C. Long Term Neurodevelopmental Outcomes after Sevoflurane Neonatal Exposure of Extremely Preterm Children: A Cross-Sectional Observationnal Study. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9040548. [PMID: 35455592 PMCID: PMC9028040 DOI: 10.3390/children9040548] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/02/2022] [Accepted: 04/08/2022] [Indexed: 11/19/2022]
Abstract
Sevoflurane, a volatile anesthetic, is used when extremely preterm neonates (EPT) undergo painful procedures. Currently, no existing studies analyze sevoflurane’s long-term effects during the EPT’s immediate neonatal period. Our primary objective was to compare the EPT’s neurocognitive development regardless of any sevoflurane exposure prior to 45 weeks corrected gestational age (GA). We analyzed those live discharges, less than 28 weeks GA, who were either exposed, unexposed, and/or multiply exposed to sevoflurane before 45 weeks GA. All data were obtained from a cross-sectional multicenter study (GPQoL study, NCT01675726). Children, both exposed and non-exposed to sevoflurane, were sampled using a propensity-guided approach. Neurological examinations (Touwen), cognitive and executive functions (WISC IV, NEPSY, Rey figure), and assessments when the children were between 7 and 10 years old, were correlated to their neonatal sevoflurane exposure. There were 139 children in the study. The mean gestational age was 26.2 weeks (±0.8) GA and the mean birth weight was 898 g (±173). The mean age of their evaluation was 8.47 years old (±0.70). Exposure to sevoflurane to the mean corrected age 27.10 (3.37) weeks GA had a significant correlation with cerebral palsy (adjusted odds ratio (aOR): 6.70 (CI 95%: 1.84–32.11)) and other major disorders (cerebral palsy and/or severe cognitive retardation) (aOR: 2.81 [95% CI: 1.13–7.35]). Our results demonstrate the possibility of long-term effects on EPT infants who had a sevoflurane exposure before 45 weeks corrected GA. However, these results will require further confirmation by randomized controlled trials.
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Affiliation(s)
- Véronique Brévaut-Malaty
- Department of Neonatology, North Hospital, University Hospital of Marseille, Chemin des Bourrelys, CEDEX 20, 13915 Marseille, France; (V.B.-M.); (A.G.); (L.T.); (R.V.); (C.G.)
| | - Noémie Resseguier
- CEReSS—Health Service Research and Quality of Life Center, Faculty of Medicine, Aix-Marseille University, 27 Boulevard Jean Moulin, 13005 Marseille, France;
| | - Aurélie Garbi
- Department of Neonatology, North Hospital, University Hospital of Marseille, Chemin des Bourrelys, CEDEX 20, 13915 Marseille, France; (V.B.-M.); (A.G.); (L.T.); (R.V.); (C.G.)
| | - Barthélémy Tosello
- Department of Neonatology, North Hospital, University Hospital of Marseille, Chemin des Bourrelys, CEDEX 20, 13915 Marseille, France; (V.B.-M.); (A.G.); (L.T.); (R.V.); (C.G.)
- CNRS, EFS, ADES, Aix Marseille University, 13915 Marseille, France
- Correspondence: ; Tel.: +33-(0)-491964822
| | - Laurent Thomachot
- Department of Neonatology, North Hospital, University Hospital of Marseille, Chemin des Bourrelys, CEDEX 20, 13915 Marseille, France; (V.B.-M.); (A.G.); (L.T.); (R.V.); (C.G.)
| | - Renaud Vialet
- Department of Neonatology, North Hospital, University Hospital of Marseille, Chemin des Bourrelys, CEDEX 20, 13915 Marseille, France; (V.B.-M.); (A.G.); (L.T.); (R.V.); (C.G.)
| | - Catherine Gire
- Department of Neonatology, North Hospital, University Hospital of Marseille, Chemin des Bourrelys, CEDEX 20, 13915 Marseille, France; (V.B.-M.); (A.G.); (L.T.); (R.V.); (C.G.)
- CEReSS—Health Service Research and Quality of Life Center, Faculty of Medicine, Aix-Marseille University, 27 Boulevard Jean Moulin, 13005 Marseille, France;
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Weller JH, Peter SDS, Fallat ME, Saito JM, Burns CR, Deans KJ, Fraser JD, Gadepalli SK, Helmrath MA, Hirschl RB, Kabre R, Lal DR, Landman MP, Leys CM, Mak GZ, Minneci PC, Wright TN, Kunisaki SM. Thoracoscopic versus open lobectomy in infants with congenital lung malformations: A multi-institutional propensity score analysis. J Pediatr Surg 2021; 56:2148-2156. [PMID: 34030879 DOI: 10.1016/j.jpedsurg.2021.04.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 03/18/2021] [Accepted: 04/15/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE The impact of thoracoscopic surgery on outcomes in children with congenital lung malformations (CLM) remains controversial. The purpose of this study was to determine the effect of operative approach on perioperative outcomes in infants undergoing lobectomy for an asymptomatic CLM. METHODS After IRB approval, a retrospective cohort study was conducted on 506 children with a CLM resected at one of eleven children's hospitals over a seven-year period. Infants undergoing elective lobectomy were identified, and covariates were balanced based on operative approach using propensity scores with full matching. Outcomes were analyzed based on intention to treat with weighted conditional regression. RESULTS One hundred seventy-five infants met inclusion criteria. There were 67 (38.3%) open, 89 (50.9%) thoracoscopic, and 19 (10.9%) thoracoscopic-converted-to-open lobectomies. Thoracoscopic lobectomy was associated with significantly longer operative times (26 min, 95% CI 6-47 min, p = 0.012) but used less epidural anesthesia (OR 0.02, 95% CI 0.004-0.11, p<0.001) when compared to open lobectomy. There were no significant differences in intraoperative blood loss, postoperative complications, chest tube duration, or length of stay. CONCLUSIONS Thoracoscopy has become the most common operative approach for elective lobectomy in infants with asymptomatic CLMs. The non-inferiority of thoracoscopic lobectomy in postoperative outcomes supports its continued use as an alternative to open lobectomy. LEVEL OF EVIDENCE Treatment study, Level III.
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Affiliation(s)
- Jennine H Weller
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, MD, United States
| | | | - Mary E Fallat
- Division of Pediatric Surgery, Hiram C. Polk, Jr., M.D. Department of Surgery, University of Louisville, Norton Children's Hospital, Louisville, KY, United States
| | - Jacqueline M Saito
- Division of Pediatric Surgery, Department of Surgery, Washington University School of Medicine, St. Louis, MO, United States
| | - Cartland R Burns
- Division of Pediatric Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Katherine J Deans
- Center for Surgical Outcomes Research, the Research Institute and Department of Surgery, Nationwide Children's Hospital, Ohio State University College of Medicine, Columbus, OH, United States
| | - Jason D Fraser
- Children's Mercy Hospital, Kansas City, MO, United States
| | - Samir K Gadepalli
- University of Michigan and Michigan Medicine, C.S. Mott Children's Hospital, Ann Arbor, MI, United States
| | - Michael A Helmrath
- Division of Pediatric Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, United States
| | - Ronald B Hirschl
- University of Michigan and Michigan Medicine, C.S. Mott Children's Hospital, Ann Arbor, MI, United States
| | - Rashmi Kabre
- Division of Pediatric Surgery, Department of Surgery, Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Dave R Lal
- Children's Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Matthew P Landman
- Division of Pediatric Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, United States
| | - Charles M Leys
- Division of Pediatric Surgery, Department of Surgery, University of Wisconsin, Madison, WI, United States
| | - Grace Z Mak
- Section of Pediatric Surgery, Department of Surgery, Comer Children's Hospital, University of Chicago Medicine and Biological Sciences, Chicago, IL, United States
| | - Peter C Minneci
- Center for Surgical Outcomes Research, the Research Institute and Department of Surgery, Nationwide Children's Hospital, Ohio State University College of Medicine, Columbus, OH, United States
| | - Tiffany N Wright
- Division of Pediatric Surgery, Hiram C. Polk, Jr., M.D. Department of Surgery, University of Louisville, Norton Children's Hospital, Louisville, KY, United States
| | - Shaun M Kunisaki
- Division of General Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, MD, United States.
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Katz I, Milet A, Chalopin M, Farjot G. Numerical analysis of mechanical ventilation using high concentration medical gas mixtures in newborns. Med Gas Res 2020; 9:213-220. [PMID: 31898606 PMCID: PMC7802424 DOI: 10.4103/2045-9912.273959] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
When administered in relatively high concentrations the mechanical properties of inhaled gas can become significantly different from air. This fact has implications in mechanical ventilation where adequate respiration and injury to the lungs or respiratory muscles can worsen morbidity and mortality. Here we use an engineering pressure loss model to analyze the administration of medical gas mixtures in newborns. The model is used to determine the pressure distribution along the gas flow path. Numerical experiments comparing medical gas mixtures with helium, nitrous oxide, argon, xenon, and medical air as a control, with and without an endotracheal tube obstruction were performed. The engineering pressure loss model was incorporated into a model of mechanical ventilation during pressure control mode, a ventilator mode that is often used for neonates. Results are presented in the form of Rohrer equations relating pressure loss to flow rate for each gas mixture with and without obstruction. These equations were incorporated into a model for mechanical ventilation resulting in pressure, flow rate, and volume curves for the inhalation-exhalation cycle. In terms of accuracy, published values of airway resistance range from 50 to 150 cmH2O/L per second for a normal 3 kg infant. With air, the current results are 55 to 80 cmH2O/L per second for 0.3 to 5 L/min. It is shown that density through inertial pressure losses has a greater influence on airway resistance than viscosity in spite of relatively low flow rates and small airway dimensions of newborns. The results indicate that the high-density xenon mixture can be problematic during mechanical ventilation. On the other hand, low density heliox (a mixture of helium and oxygen) provides a wider margin of safety for mechanical ventilation than the other gas mixtures. The argon or nitrous oxide mixtures considered are only slightly different from air in terms of mechanical ventilation performance.
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Affiliation(s)
- Ira Katz
- Medical Research & Development, Healthcare World Business Line, Air Liquide Santé International, Paris Innovation Campus, Les Loges-en-Josas, France
| | - Aude Milet
- Medical Research & Development, Healthcare World Business Line, Air Liquide Santé International, Paris Innovation Campus, Les Loges-en-Josas, France
| | - Matthieu Chalopin
- Medical Research & Development, Healthcare World Business Line, Air Liquide Santé International, Paris Innovation Campus, Les Loges-en-Josas, France
| | - Géraldine Farjot
- Medical Research & Development, Healthcare World Business Line, Air Liquide Santé International, Paris Innovation Campus, Les Loges-en-Josas, France
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8
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Mahida JB, Asti L, Pepper VK, Deans KJ, Minneci PC, Diefenbach KA. Comparison of 30-Day Outcomes Between Thoracoscopic and Open Lobectomy for Congenital Pulmonary Lesions. J Laparoendosc Adv Surg Tech A 2015; 25:435-40. [DOI: 10.1089/lap.2014.0298] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- Justin B. Mahida
- Center for Surgical Outcomes Research, The Research Institute at Nationwide Children's Hospital, Columbus, Ohio
- Department of Pediatric Surgery, Nationwide Children's Hospital, Columbus, Ohio
| | - Lindsey Asti
- Center for Surgical Outcomes Research, The Research Institute at Nationwide Children's Hospital, Columbus, Ohio
| | - Victoria K. Pepper
- Department of Pediatric Surgery, Nationwide Children's Hospital, Columbus, Ohio
| | - Katherine J. Deans
- Center for Surgical Outcomes Research, The Research Institute at Nationwide Children's Hospital, Columbus, Ohio
- Department of Pediatric Surgery, Nationwide Children's Hospital, Columbus, Ohio
| | - Peter C. Minneci
- Center for Surgical Outcomes Research, The Research Institute at Nationwide Children's Hospital, Columbus, Ohio
- Department of Pediatric Surgery, Nationwide Children's Hospital, Columbus, Ohio
| | - Karen A. Diefenbach
- Department of Pediatric Surgery, Nationwide Children's Hospital, Columbus, Ohio
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Ruder AM, Schmidt M, Ludiro A, Riva MA, Gass P. A technique for administering xenon gas anesthesia during surgical procedures in mice. Lab Anim (NY) 2015; 43:405-9. [PMID: 25333593 DOI: 10.1038/laban.591] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Accepted: 06/16/2014] [Indexed: 11/09/2022]
Abstract
Carrying out invasive procedures in animals requires the administration of anesthesia. Xenon gas offers advantages as an anesthetic agent compared with other agents, such as its protection of the brain and heart from hypoxia-induced damage. The high cost of xenon gas has limited its use as an anesthetic in animal experiments, however. The authors designed and constructed simple boxes for the induction and maintenance of xenon gas and isoflurane anesthesia in small rodents in order to minimize the amount of xenon gas that is wasted. While using their anesthesia delivery system to anesthetize pregnant mice undergoing caesarean sections, they measured the respiratory rates of the anesthetized mice, the survival of the pups and the percentages of oxygen and carbon dioxide within the system to confirm the system's safety.
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Affiliation(s)
- Arne Mathias Ruder
- 1] Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany. [2]
| | - Michaela Schmidt
- 1] Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany. [2]
| | - Alessia Ludiro
- Department of Pharmacological Sciences, Centre of Neuropharmacology, Università degli Studi di Milano, Milan, Italy
| | - Marco A Riva
- Department of Pharmacological Sciences, Centre of Neuropharmacology, Università degli Studi di Milano, Milan, Italy
| | - Peter Gass
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Wagenaar AE, Tashiro J, Hirzel A, Rodriguez LI, Perez EA, Hogan AR, Neville HL, Sola JE. Surgical management of bronchopulmonary malformations. J Surg Res 2015; 198:406-12. [PMID: 25918001 DOI: 10.1016/j.jss.2015.03.080] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 02/22/2015] [Accepted: 03/26/2015] [Indexed: 10/23/2022]
Abstract
BACKGROUND Bronchopulmonary malformations (BPM) are rare conditions, which typically arise below the carina and can result in significant morbidity (infection and/or hemorrhage) and mortality (respiratory failure). MATERIALS AND METHODS All children with BPM surgically treated from 2001-2014 at a tertiary care children's hospital were identified. Patient demographics, surgical indications, procedure type, estimated blood loss, pathology, perioperative complications, length of stay, and outcomes were analyzed. RESULTS A total of 41 BPM patients underwent surgery with 98% overall survival (one abdominal BPM expired) but 100% for thoracic lesions. Resections were performed thoracoscopically (37%), thoracoscopy converted to open (22%), and via thoracotomy (37%). Poor visualization (67%) or inability to tolerate single lung ventilation (33%) led to conversions. No conversions resulted from hemorrhage or received blood transfusions. Patients with prenatally diagnosed BPM were more likely to undergo thoracoscopic surgery (odds ratio [OR], 18.2) versus nonprenatally diagnosed, P = 0.002. Open/converted patients had longer chest tube days (6.2) versus thoracoscopic (2.9), P = 0.048. Additionally, respiratory distress was a more common indication in patients aged <4 mo (OR, 28.0) versus ≥4 mo and <6 kg (OR, 40.5) versus ≥6 kg, P < 0.001. Open resections were more common in patients aged <4 mo (OR, 26.3) versus ≥4 mo, P = 0.002. Operative time was shorter and estimated blood loss (mL/kg) was greater for <6 versus ≥6 kg, P < 0.05. CONCLUSIONS BPM resections have high overall survival. Chest tube days are shorter among thoracoscopic patients, but conversion to thoracotomy can avoid hemorrhage and need for transfusion. Size and respiratory distress limit use of thoracoscopy in young infants with BPM.
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Affiliation(s)
- Amy E Wagenaar
- Division of Pediatric Surgery, DeWitt-Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Jun Tashiro
- Division of Pediatric Surgery, DeWitt-Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Alicia Hirzel
- Division of Pediatric Surgery, DeWitt-Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Luis I Rodriguez
- Division of Pediatric Surgery, DeWitt-Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Eduardo A Perez
- Division of Pediatric Surgery, DeWitt-Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Anthony R Hogan
- Division of Pediatric Surgery, DeWitt-Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Holly L Neville
- Division of Pediatric Surgery, DeWitt-Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida
| | - Juan E Sola
- Division of Pediatric Surgery, DeWitt-Daughtry Family Department of Surgery, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida.
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11
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Dahl JP, Stadler ME, Huang BY, Miao D, Patel MR, Adunka OF, Buchman CA, Fine JP, Zdanski CJ. Connexin-Related (DFNB1) Hearing Loss. Otolaryngol Head Neck Surg 2015; 152:889-96. [DOI: 10.1177/0194599814566399] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Accepted: 12/10/2014] [Indexed: 11/15/2022]
Abstract
Objectives Determine if routine computed tomography (CT) imaging is necessary in the workup for children with connexin-related (DFNB1) sensorineural hearing loss (SNHL). Study Design Case-control retrospective chart and imaging review. Setting Tertiary care otolaryngology practice. Subjects and Methods High-resolution temporal bone CT scans of children (n = 21) with DFNB1 SNHL were compared to age-matched controls with either conductive hearing loss (CHL, n = 33) or a nonsyndromic, non-DFNB1 SNHL (n = 33). Sixteen measurements of cochleo-vestibular structures were recorded. Statistical analysis was performed using a repeated analysis of variance model that controlled for both age and gender. Area under the curve (AUC) and multidimensional AUC (MAUC) analyses were also performed. Results Overall, no statistically significant differences were found between the 3 experimental groups. In addition, comparisons between the DFNB1 and CHL groups, DFNB1 and non-DFNB1 SNHL groups, and CHL and non-DFNB1 SNHL groups failed to demonstrate any statistically significant differences. AUC and MAUC analyses also failed to detect any significant differences between the 3 groups. Conclusions Patients with DFNB1 SNHL do not have significant anatomic differences on temporal bone CT scans when compared to non-DFNB1 SNHL and CHL control groups. Based on the above analysis, it is reasonable to avoid routine CT imaging of the temporal bones in children with known DFNB1 SNHL unless otherwise clinically indicated.
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Affiliation(s)
- John P. Dahl
- Department of Otolaryngology/Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Michael E. Stadler
- Department of Otolaryngology/Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Benjamin Y. Huang
- Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Di Miao
- Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Mihir R. Patel
- Department of Otolaryngology/Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Oliver F. Adunka
- Department of Otolaryngology/Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Craig A. Buchman
- Department of Otolaryngology/Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Jason P. Fine
- Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Carlton J. Zdanski
- Department of Otolaryngology/Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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13
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Gouinaud L, Katz I, Martin A, Hazebroucq J, Texereau J, Caillibotte G. Inhalation pressure distributions for medical gas mixtures calculated in an infant airway morphology model. Comput Methods Biomech Biomed Engin 2014; 18:1358-66. [DOI: 10.1080/10255842.2014.903932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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14
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Abstract
Neonatal anesthesia is fraught with potential risk for the patient and stress for the anesthesiologist. Where possible, recognition of these risks, avoidance of, and being able to manage them appropriately, must impact positively on perioperative outcomes in this vulnerable group of patients. Good communication with the parents, as well as with other healthcare providers, is crucial to safe and successful anesthetic care.
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Affiliation(s)
- Jenny Thomas
- Department of Paediatric Anaesthesia, Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa
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15
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Sury MRJ, Worley A, Boyd SG. Age-related changes in EEG power spectra in infants during sevoflurane wash-out. Br J Anaesth 2013; 112:686-94. [PMID: 24346023 DOI: 10.1093/bja/aet409] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Few electroencephalography (EEG) data are available in anaesthetized infants. This study aimed to identify EEG characteristics that might warn of awakening (AW) from sevoflurane anaesthesia in infants. METHODS Twenty intubated infants [aged 39-77 weeks post-menstrual age (PMA)] were studied after surgery during sevoflurane wash-out. EEG was recorded at the end of surgery and throughout emergence. Changes in EEG time and frequency domains were described. RESULTS At the end of surgery, mean end-tidal sevoflurane concentration was 2.3% (range 1.5-3.5) before wash-out and reduced to 0.3% (0.1-0.6) when AW began. On AW, movement artifacts made signals difficult to interpret. Before awakening, most power was within frequencies ≤4 Hz, but trends over time were variable. Summated power in frequencies between 20 and 70 Hz was almost always <5 µV(2). During anaesthesia, there were two common power spectra: infants >52 weeks PMA had obvious summated power in the frequency range 5-20 Hz (P5-20 Hz) (mean 308, median 320, range 110-542 µV(2)), which decreased before awakening began [mean decrease 252 µV(2) (95% CI 153-351)], whereas younger infants had low P5-20 Hz throughout. P5-20 Hz during anaesthesia increased with age; power in this frequency band of ~100 µV(2) separated infants younger and older than 52 weeks PMA. CONCLUSIONS During sevoflurane wash-out, decreasing P5-20 Hz might warn of impending AW in infants >3 months old, but not in younger infants.
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Affiliation(s)
- M R J Sury
- Department of Anaesthesia, Great Ormond Street Hospital for Children NHS Foundation Trust, London WC1N 3JH, UK
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16
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Thoracoscopic vs open lobectomy in infants and young children with congenital lung malformations. J Am Coll Surg 2013; 218:261-70. [PMID: 24315887 DOI: 10.1016/j.jamcollsurg.2013.10.010] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Revised: 10/21/2013] [Accepted: 10/23/2013] [Indexed: 11/23/2022]
Abstract
BACKGROUND Although thoracoscopic lobectomy is a widely accepted surgical procedure in adult thoracic surgery, its role in small children remains controversial. The purpose of this study was to evaluate perioperative outcomes after thoracoscopic and open lobectomy in infants and young children with congenital lung malformations at a single academic referral center. STUDY DESIGN A cohort study of 62 consecutive children who underwent elective pulmonary lobectomy for a congenital lung lesion between 2001 and 2013 was performed. Patient demographics and perioperative outcomes were evaluated in univariate and logistic regression analyses. RESULTS Forty-nine patients underwent thoracoscopy and 13 had a thoracotomy. Six children undergoing thoracoscopy required conversion to thoracotomy (conversion 12.2%). Perioperative outcomes, including median blood loss (2.0 vs 1.1 mL/kg; p = 0.34), chest tube duration (3 vs 3 days; p = 0.33), hospital length of stay (3 vs 3 days; p = 0.42), and morbidity as defined by the Accordion Grading Scale (30.6% vs 30.8%; p = 0.73), were similar between thoracoscopy and thoracotomy, respectively. Although thoracoscopy was associated with increased operative duration compared with thoracotomy (239.9 vs 181.2 minutes, respectively; p = 0.03), thoracoscopy operative times decreased with increasing institutional experience (p = 0.048). Thoracoscopic lobectomy infants younger than 5 months of age had a 2.5-fold higher rate of perioperative adverse outcomes compared with older children (p = 0.048). CONCLUSIONS In small children undergoing pulmonary lobectomy, both thoracoscopy and thoracotomy are associated with similar perioperative outcomes. The cosmetic and musculoskeletal benefits of the thoracoscopic approach must be balanced against institutional expertise and a potentially higher risk for complications in younger patients.
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Abstract
Optimal pain management can significantly impact the surgical outcome and length of stay in the neonatal intensive care unit (NICU). Regional anesthesia is an effective alternative that can be used in both term and preterm neonates. A variety of neuraxial and peripheral nerve blocks have been used for specific surgical and NICU procedures. Ultrasound guidance has increased the feasibility of using these techniques in neonates. Education and training staff in the use of continuous epidural infusions are important prerequisites for successful implementation of regional anesthesia in NICU management protocols.
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Affiliation(s)
- Adrian Bosenberg
- Department of Anesthesiology and Pain Management, Faculty Health Sciences, Seattle Children's Hospital, University Washington, 4800 Sandpoint Way Northeast, Seattle, WA 98105, USA
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18
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Sanders RD, Hassell J, Davidson AJ, Robertson NJ, Ma D. Impact of anaesthetics and surgery on neurodevelopment: an update. Br J Anaesth 2013; 110 Suppl 1:i53-72. [PMID: 23542078 DOI: 10.1093/bja/aet054] [Citation(s) in RCA: 146] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Accumulating preclinical and clinical evidence suggests the possibility of neurotoxicity from neonatal exposure to general anaesthetics. Here, we review the weight of the evidence from both human and animal studies and discuss the putative mechanisms of injury and options for protective strategies. Our review identified 55 rodent studies, seven primate studies, and nine clinical studies of interest. While the preclinical data consistently demonstrate robust apoptosis in the nervous system after anaesthetic exposure, only a few studies have performed cognitive follow-up. Nonetheless, the emerging evidence that the primate brain is vulnerable to anaesthetic-induced apoptosis is of concern. The impact of surgery on anaesthetic-induced brain injury has not been adequately addressed yet. The clinical data, comprising largely retrospective cohort database analyses, are inconclusive, in part due to confounding variables inherent in these observational epidemiological approaches. This places even greater emphasis on prospective approaches to this problem, such as the ongoing GAS trial and PANDA study.
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Affiliation(s)
- R D Sanders
- Wellcome Department of Imaging Neuroscience, Institute for Women's Health, University College London, London, UK.
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van Schoor A, Bosman MC, Bosenberg AT. The value of Tuffier's line for neonatal neuraxial procedures. Clin Anat 2013; 27:370-5. [PMID: 23408712 DOI: 10.1002/ca.22218] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2012] [Revised: 11/30/2012] [Accepted: 12/16/2012] [Indexed: 11/09/2022]
Abstract
The spine of L4 usually lies on a line drawn between the highest points of the iliac crests (Tuffier's line) in adults. Although its accuracy has been questioned, it is still commonly used to identify the spinous process of the 4th lumbar vertebra before performing lumbar neuraxial procedures. In children, this line is said to cross the midline at the level of L5. A literature search revealed that the description this surface anatomical line is vague in neonates. The aims of this study were to determine the vertebral level of Tuffier's line, as well as its distance from the apex of the sacrococcygeal membrane (ASM), in 39 neonatal cadavers in both a prone and flexed position. It was found that when flexed, Tuffier's line shifted from the level of L4/L5 (prone position) to the upper third of L5. The mean distance from the ASM to Tuffier's line was 23.64mm when prone and 25.47 mm when flexed, constituting a statistically significant increase in the distance (P=0.0061). Therefore, in the absence of advanced imaging modalities, Tuffier's line provides practitioners with a simple method of determining a level caudal to the termination of the spinal cord, at approximately the L4/L5 in a prone neonate and the upper margins of L5 when flexed.
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Affiliation(s)
- A van Schoor
- Department of Anatomy, School of Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
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De Francisci G, Papasidero AE, Spinazzola G, Galante D, Caruselli M, Pedrotti D, Caso A, Lambo M, Melchionda M, Faticato MG. Update on complications in pediatric anesthesia. Pediatr Rep 2013; 5:e2. [PMID: 23667731 PMCID: PMC3649741 DOI: 10.4081/pr.2013.e2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 11/30/2012] [Accepted: 02/01/2013] [Indexed: 11/22/2022] Open
Abstract
Complications in pediatric anesthesia can happen, even in our modern hospitals with the most advanced equipment and skilled anesthesiologists. It is important, albeit in a tranquil and reassuring way, to inform parents of the possibility of complications and, in general, of the anesthetic risks. This is especially imperative when speaking to the parents of children who will be operated on for minor procedures: in our experience, they tend to think that the anesthesia will be a light anesthesia without risks. Often the surgeons tell them that the operation is very simple without stressing the fact that it will be done under general anesthesia which is identical to the one we give for major operations. Different is the scenario for the parents of children who are affected by malignant neoplasms: in these cases they already know that the illness is serious. They have this tremendous burden and we choose not to add another one by discussing anesthetic risks, so we usually go along with the examination of the child without bringing up the possibility of complications, unless there is some specific problem such as a mediastinal mass.
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Affiliation(s)
- Giovanni De Francisci
- Department of Anesthesiology and Intensive Care Agostino Gemelli Hospital, Catholic University of the Sacred Heart, Rome
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Ramanantsoa N, Fleiss B, Bouslama M, Matrot B, Schwendimann L, Cohen-Salmon C, Gressens P, Gallego J. Bench to cribside: the path for developing a neuroprotectant. Transl Stroke Res 2012; 4:258-77. [PMID: 24323277 DOI: 10.1007/s12975-012-0233-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2012] [Revised: 11/06/2012] [Accepted: 11/29/2012] [Indexed: 12/29/2022]
Abstract
The consequences of perinatal brain injury include immeasurable anguish for families and substantial ongoing costs for care and support of effected children. Factors associated with perinatal brain injury in the preterm infant include inflammation and infection, and with increasing gestational age, a higher proportion is related to hypoxic-ischemic events, such as stroke and placental abruption. Over the past decade, we have acquired new insights in the mechanisms underpinning injury and many new tools to monitor outcome in perinatal brain injury in our experimental models. By embracing these new technologies, we can expedite the screening of novel therapies. This is critical as despite enormous efforts of the research community, hypothermia is the only viable neurotherapeutic, and this procedure is limited to term birth and postcardiac arrest hypoxic-ischemic events. Importantly, experimental and preliminary data in humans also indicate a considerable therapeutic potential for melatonin against perinatal brain injury. However, even if this suggested potential is proven, the complexity of the human condition means we are likely to need additional neuroprotective and regenerative strategies. Thus, within this review, we will outline what we consider the key stages of preclinical testing and development for a neuroprotectant or regenerative neurotherapy for perinatal brain injury. We will also highlight examples of novel small animal physiological and behavioral testing that gives small animal preclinical models greater clinical relevance. We hope these new tools and an integrated bench to cribside strategic plan will facilitate the fulfillment of our overarching goal, improving the long-term brain health and quality of life for infants suffering perinatal brain injury.
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Affiliation(s)
- Nelina Ramanantsoa
- Inserm U676, Hopital Robert Debre, 48 Blvd Serurier, 75019, Paris, France
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Hays SR, Deshpande JK. Newly postulated neurodevelopmental risks of pediatric anesthesia: theories that could rock our world. J Urol 2012. [PMID: 23178900 DOI: 10.1016/j.juro.2012.11.090] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
PURPOSE General anesthetics can induce apoptotic neurodegeneration and subsequent maladaptive behaviors in animals. Retrospective human studies suggest associations between early anesthetic exposure and subsequent adverse neurodevelopmental outcomes. The relevance of animal data to clinical practice is unclear and to our knowledge the causality underlying observed associations in humans is unknown. We reviewed newly postulated neurodevelopmental risks of pediatric anesthesia and discuss implications for the surgical care of children. MATERIALS AND METHODS We queried the MEDLINE®/PubMed® and EMBASE® databases for citations in English on pediatric anesthetic neurotoxicity with the focus on references from the last decade. RESULTS Animal studies in rodents and primates demonstrate apoptotic neuropathology and subsequent maladaptive behaviors after exposure to all currently available general anesthetics with the possible exception of α2-adrenergic agonists. Similar adverse pathological and clinical effects occur after untreated pain. Anesthetic neurotoxicity in animals develops only after exposure above threshold doses and durations during a critical neurodevelopmental window of maximal synaptogenesis in the absence of concomitant painful stimuli. Anesthetic exposure outside this window or below threshold doses and durations shows no apparent neurotoxicity, while exposure in the context of concomitant painful stimuli is neuroprotective. Retrospective human studies suggest associations between early anesthetic exposure and subsequent adverse neurodevelopmental outcomes, particularly after multiple exposures. The causality underlying the associations is unknown. Ongoing investigations may clarify the risks associated with current practice. CONCLUSIONS Surgical care of all patients mandates appropriate anesthesia. Neurotoxic doses and the duration of anesthetic exposure in animals may have little relevance to clinical practice, particularly surgical anesthesia for perioperative pain. The causality underlying the observed associations between early anesthetic exposure and subsequent adverse neurodevelopmental outcomes is unknown. Anesthetic exposure may be a marker of increased risk. Especially in young children, procedures requiring general anesthesia should be performed only as necessary and general anesthesia duration should be minimized. Alternatives to general anesthesia and the deferral of elective procedures beyond the first few years of life should be considered, as appropriate. Participation in ongoing efforts should be encouraged to generate further data.
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Affiliation(s)
- Stephen Robert Hays
- Division of Pediatric Anesthesiology, Vanderbilt University School of Medicine and Pediatric Pain Services, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, Tennessee 37232-9070, USA.
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Abstract
Pediatric regional anesthesia continues to evolve. Education and attention to anatomical detail remain key elements to successful outcomes. New techniques, some adapted from adult practice, provide analgesia for pediatric surgical procedures such cleft palate or congenital hip dysplasia. Despite technological advances a number of controversial issues remain unresolved.
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Affiliation(s)
- Adrian Bosenberg
- Department Anesthesiology and Pain Management, Faculty Health Sciences, University Washington, Seattle, WA 98105, USA.
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Holtby HM. Neurological injury and anesthetic neurotoxicity following neonatal cardiac surgery: does the head rule the heart or the heart rule the head? Future Cardiol 2012; 8:179-88. [DOI: 10.2217/fca.11.92] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The improvements in care of children with heart disease have resulted in a major decrease in mortality and increased attention to adverse events and quality of survival. There is important neurological morbidity in children with congenital heart disease. Some problems such as stroke or seizure may be immediately apparent, but others, such as learning disability and motor delay emerge over time. The etiology is multifactorial and includes genetic, procedural and social causes. Only some factors are modifiable. Over the last decade, evidence has been presented that anesthetic drugs may be a potential cause of CNS morbidity. Neonates and infants may be particularly vulnerable to this. The purpose of this article is to describe the multiple known causes of neurodevelopmental impairment in children with heart disease, including anesthetic agents, and to explore the relationship between congenital heart disease and its treatment in this regard.
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Affiliation(s)
- Helen M Holtby
- University of Toronto, Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, 555 University Avenue, Toronto, ON, M5G 1X8, Canada
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Nociceptive stimuli enhance anesthetic-induced neuroapoptosis in the rat developing brain. Neurobiol Dis 2012; 45:743-50. [DOI: 10.1016/j.nbd.2011.10.021] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2011] [Revised: 10/04/2011] [Accepted: 10/22/2011] [Indexed: 11/22/2022] Open
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Affiliation(s)
- Adrian Bosenberg
- Faculty Health Sciences, Department Anesthesiology and Pain Management, Seattle Children's Hospital, University Washington, Seattle, WA 98105, USA.
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Tsuchimoto T, Ueki M, Miki T, Morishita J, Maekawa N. Erythropoietin attenuates isoflurane-induced neurodegeneration and learning deficits in the developing mouse brain. Paediatr Anaesth 2011; 21:1209-13. [PMID: 21771175 DOI: 10.1111/j.1460-9592.2011.03657.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVES To examine whether recombinant erythropoietin (rEPO) attenuates neurodegeneration and the learning disability induced by isoflurane with the postnatal day 7 (P7) mice. BACKGROUND Some of general anesthetic agents induce neurodegeneration in developing brain. Several drugs, but not rEPO, were reported as candidates for the prevention of or treatment for neurodegeneration. METHOD AND MATERIALS We divided P7 mice into three groups at random. One group (IE group) was exposed to 6-h isoflurane (1.0%) after 50,000 IU·kg(-1) rEPO administered subcutaneously. The second group (I) was exposed to isoflurane in the same manner as IE group except saline instead of rEPO. The third group (E) was exposed to air after rEPO administered. The mice were assigned to the radial arm maze on four consecutive days from P56 (day 1) to P59 (day 4). We divided the number of errors each day by that of day 1 to establish each-day performance ratio. After the test, neurodegenerative change in the hilus of dentate gyrus was assessed using Nissl staining. RESULTS In radial maze test, the performance ratios of day 3 (mean ± sd) were 0.3 ± 0.2 (P < 0.05, vs I group), 0.8 ± 0.5, and 0.6 ± 0.2 in IE, I, and E groups, respectively, while those of day 4 were 0.3 ± 0.1 (P < 0.05), 0.8 ± 0.5, and 0.3 ± 0.2 (P < 0.05), respectively. The histopathological study revealed that in IE group the degenerative neuronal change was attenuated compared with I group. CONCLUSIONS These results suggested that rEPO attenuated isoflurane-induced neurodegeneration.
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Affiliation(s)
- Teppei Tsuchimoto
- Division of Anesthesiology and Perioperative Medicine, Kobe University Graduate School of Medicine, Chuo-Ku, Kobe, Japan.
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Bösenberg AT, Jöhr M, Wolf AR. Pro con debate: the use of regional vs systemic analgesia for neonatal surgery. Paediatr Anaesth 2011; 21:1247-58. [PMID: 21722227 DOI: 10.1111/j.1460-9592.2011.03638.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
In recent years the inclusion of regional techniques to pediatric anesthesia has transformed practice. Simple procedures such as caudal anesthesia with local anaesthetics can reduce the amounts of general anesthesia required and provide complete analgesia in the postoperative period while avoiding large amounts of opioid analgesia with potential side effects that can impair recovery. However, the application of central blocks (epidural and spinal local anesthesia) via catheters in the younger infant, neonate and even preterm neonate remains more controversial. The potential for such invasive maneuvers themselves to augment risk, can be argued to outweigh the benefits, others would argue that epidural analgesia can reduce the need for postoperative ventilation and that this not only facilitates surgery when intensive care facilities are limited, but also reduces cost in terms of PICU stay and recovery profile. Currently, opinions are divided and strongly held with some major units adopting this approach widely and others maintaining a more conservative stance to anesthesia for major neonatal surgery. In this pro-con debate the evidence base is examined, supplemented with expert opinion to try to provide a balanced overall view.
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Affiliation(s)
- Adrian T Bösenberg
- Department Anesthesiology and Pain Management, Faculty Health Sciences, University Washington, Seattle, WA, USA
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29
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Current awareness: Pharmacoepidemiology and drug safety. Pharmacoepidemiol Drug Saf 2010. [DOI: 10.1002/pds.1851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Blaylock M, Engelhardt T, Bissonnette B. Fundamentals of neuronal apoptosis relevant to pediatric anesthesia. Paediatr Anaesth 2010; 20:383-95. [PMID: 20337958 DOI: 10.1111/j.1460-9592.2010.03291.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The programmed cell death or apoptosis is a complex biochemical process that has risen to prominence in pediatric anesthesia. Preclinical studies report a dose-dependent neuronal apoptosis during synaptogenesis following exposure to intravenous and volatile anesthetic agents. Although emerging clinical data do not universally indicate an increased neurodegenerative risk of general anesthesia in early human life, a great deal of uncertainty was created within the pediatric anesthesia community. This was at least partially caused by the demand of understanding of basic science concepts and knowledge of apoptosis frequently out of reach to the clinician. It is, however, important for the pediatric anesthesiologist to be familiar with the basic science concepts of neuronal apoptosis to be able to critically evaluate current and future preclinical data in this area and future clinical studies. This current review describes the extrinsic and intrinsic pathways involved in the cell death process and discusses techniques commonly employed to determine apoptosis. In addition, potential mechanisms of anesthesia-induced neuronal apoptosis are illustrated in this review.
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Affiliation(s)
- Morgan Blaylock
- Department of Anaesthesia and Intensive Care, Aberdeen Royal Children's Hospital, Aberdeen, UK.
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Sanders RD, Avidan MS. Evidence is lacking for interventions proposed to prevent unintended awareness during general anesthesia for cesarean delivery. Anesth Analg 2010; 110:972-3; author reply 973-4. [PMID: 20185675 DOI: 10.1213/ane.0b013e3181cd8146] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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